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650 lines
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650 lines
379 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F16F" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F16F</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>SPRINGS</text></title-part><title-part><text>SHOCK-ABSORBERS</text></title-part><title-part><text>MEANS FOR DAMPING VIBRATION</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This subclass <u>covers</u>: <subnote type="bullet"><note-paragraph>springs, shock-absorbers or vibration-dampers; </note-paragraph><note-paragraph>their arrangement in, or adaptation for, particular apparatus if not provided for in the subclasses covering said apparatus. </note-paragraph></subnote></note-paragraph><note-paragraph> This subclass <u>does not cover</u> inventions concerning the arrangement or adaptation of springs, shock-absorbers or vibration-dampers in, or for, particular apparatus, if provided for in the subclasses concerning the said apparatus, e.g. <table><row><entry><class-ref scheme="cpc">A47C23/00</class-ref> - <class-ref scheme="cpc">A47C27/00</class-ref></entry><entry>Spring mattresses</entry></row><row><entry><CPC-specific-note><class-ref scheme="cpc">A61F2/00</class-ref></CPC-specific-note></entry><entry><CPC-specific-note>Prostheses</CPC-specific-note></entry></row><row><entry><class-ref scheme="cpc">A63C5/075</class-ref></entry><entry>Vibration dampers in skis</entry></row><row><entry><class-ref scheme="cpc">B60G</class-ref></entry><entry>Vehicle suspensions</entry></row><row><entry><class-ref scheme="cpc">B60R19/24</class-ref></entry><entry>Mounting of bumpers on vehicles</entry></row><row><entry><class-ref scheme="cpc">B61F</class-ref></entry><entry>Rail vehicle suspensions</entry></row><row><entry><class-ref scheme="cpc">B61G11/00</class-ref></entry><entry>Buffers for railway or tramway vehicles</entry></row><row><entry><class-ref scheme="cpc">B62D21/15</class-ref></entry><entry>Vehicle chassis frames having impact absorbing means</entry></row><row><entry><class-ref scheme="cpc">B62J1/02</class-ref></entry><entry>Resiliently mounted saddles on cycles</entry></row><row><entry><class-ref scheme="cpc">B62K21/08</class-ref></entry><entry>Steering dampers</entry></row><row><entry><class-ref scheme="cpc">B63H21/30</class-ref></entry><entry>Anti-vibration mounting of marine propulsion plant in ships</entry></row><row><entry><class-ref scheme="cpc">B64C25/58</class-ref></entry><entry>Arrangement of shock-absorbers or springs in aeroplane alighting gear</entry></row><row><entry><class-ref scheme="cpc">B65D81/02</class-ref></entry><entry>Containers, packing elements or packages with shock-absorbing means</entry></row><row><entry><class-ref scheme="cpc">D06F37/20</class-ref></entry><entry>Resilient mountings in washing machines</entry></row><row><entry><class-ref scheme="cpc">D06F49/06</class-ref></entry><entry>Resilient mountings in domestic spin-dryers</entry></row><row><entry><CPC-specific-note><class-ref scheme="cpc">E04B1/98</class-ref></CPC-specific-note></entry><entry><CPC-specific-note>Protection of buildings against vibrations or shocks</CPC-specific-note></entry></row><row><entry><class-ref scheme="cpc">E05D7/086</class-ref></entry><entry>Braking devices structurally combined with hinges</entry></row><row><entry><class-ref scheme="cpc">F03G1/00</class-ref></entry><entry>Spring motors</entry></row><row><entry><CPC-specific-note><class-ref scheme="cpc">F16L3/20</class-ref></CPC-specific-note></entry><entry><CPC-specific-note>Pipe or cable supports</CPC-specific-note></entry></row><row><entry><class-ref scheme="cpc">F21V15/04</class-ref></entry><entry>Resilient mounting of lighting devices</entry></row><row><entry><class-ref scheme="cpc">F41A25/00</class-ref></entry><entry>Gun cradles to permit recoil</entry></row><row><entry><class-ref scheme="cpc">F41B5/1426</class-ref></entry><entry>Vibration dampers for archery bows</entry></row><row><entry><class-ref scheme="cpc">G01D11/00</class-ref></entry><entry>Indicating or recording in connection with measuring</entry></row><row><entry><class-ref scheme="cpc">G01G21/10</class-ref></entry><entry>Weighing apparatus, e.g. arrangement of shock-absorbers in weighing apparatus</entry></row><row><entry><class-ref scheme="cpc">G04B</class-ref></entry><entry>Clocks, watches</entry></row><row><entry><class-ref scheme="cpc">G12B3/08</class-ref></entry><entry>Damping of movements in instruments</entry></row><row><entry><class-ref scheme="cpc">G21C7/20</class-ref></entry><entry>Disposition of shock-absorbing devices for displaceable control elements in nuclear reactors.</entry></row><row><entry><CPC-specific-note><class-ref scheme="cpc">H02G7/14</class-ref></CPC-specific-note></entry><entry><CPC-specific-note>Arrangements or devices for damping mechanical oscillations of power lines</CPC-specific-note></entry></row></table></note-paragraph><note-paragraph> Mention of "steel" or "metal" in groups <class-ref scheme="cpc">F16F</class-ref>, unless specific mention is made otherwise, should be seen in the light of the title of group <class-ref scheme="cpc">F16F1/00</class-ref>, i.e. material having low internal friction. This normally includes composite materials such as fibre-reinforced plastics. </note-paragraph><note-paragraph> Mention of "rubber" or "plastics" in group <class-ref scheme="cpc">F16F</class-ref>, unless specific mention is made otherwise, should be seen in the light of the title of group <class-ref scheme="cpc">F16F1/36</class-ref>, i.e. material having high internal friction. This normally does NOT include composite materials such as fibre-reinforced plastics <u>except</u> in the case of groups <class-ref scheme="cpc">F16F1/366</class-ref> - <class-ref scheme="cpc">F16F1/3686</class-ref> and <class-ref scheme="cpc">F16F15/305</class-ref>. </note-paragraph></note><note type="warning"><note-paragraph warning-type="ipc-not-used">The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: <table><row><entry><class-ref scheme="ipc">F16F3/07</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">F16F13/00</class-ref></entry></row><row><entry><class-ref scheme="ipc">F16F9/24</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">F16F9/22</class-ref></entry></row><row><entry><class-ref scheme="ipc">F16F9/40</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">F16F9/00</class-ref> - <class-ref scheme="cpc">F16F9/50</class-ref></entry></row><row><entry><class-ref scheme="ipc">F16F9/508</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">F16F9/512</class-ref></entry></row><row><entry><class-ref scheme="ipc">F16F11/00</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">F16F7/00</class-ref>, <class-ref scheme="cpc">F16F9/00</class-ref>, <class-ref scheme="cpc">F16F15/00</class-ref></entry></row><row><entry><class-ref scheme="ipc">F16F13/12</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">F16F13/08</class-ref></entry></row></table></note-paragraph><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F16F1/00" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F1/00" definition-exists="true" ipc-concordant="F16F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Springs </text><reference><text>working with fluid <class-ref scheme="cpc">F16F5/00</class-ref>, <class-ref scheme="cpc">F16F9/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F1/02" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of steel or other material having low internal friction </text><CPC-specific-text><reference><text>characterised by their special construction from fibre-reinforced plastics <class-ref scheme="cpc">F16F1/366</class-ref>; spring units consisting of several springs <class-ref scheme="cpc">F16F3/02</class-ref>; making springs from wire <class-ref scheme="cpc">B21F35/00</class-ref></text></reference></CPC-specific-text></title-part><title-part><text>Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/021" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by their composition, e.g. comprising materials providing for particular spring properties </text><reference><text>composition and manufacture of clock or watch springs <class-ref scheme="cpc">G04B1/145</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/022" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>made of ceramic materials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/024" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Covers or coatings therefor </text><reference><text><class-ref scheme="cpc">F16F1/24</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/025" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by having a particular shape </text><reference><text><class-ref scheme="cpc">F16F1/04</class-ref>, <class-ref scheme="cpc">F16F1/14</class-ref>, <class-ref scheme="cpc">F16F1/18</class-ref>, <class-ref scheme="cpc">F16F1/32</class-ref>, <class-ref scheme="cpc">F16F1/34</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/027" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planar, e.g. in sheet form; leaf springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/028" definition-exists="false" ipc-concordant="F16F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cylindrical, with radial openings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/04" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wound springs </text><CPC-specific-text><reference><text>making springs by coiling wire <class-ref scheme="cpc">B21F3/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/041" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for modifying the spring characteristics </text><reference><text><class-ref scheme="cpc">F16F1/12</class-ref>, <class-ref scheme="cpc">F16F3/06</class-ref> take precedence; fluid regulation of coil spring characteristics in vehicle suspensions <class-ref scheme="cpc">B60G17/0272</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/042" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the cross-section of the wire</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/043" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the cross-section varying with the wire length</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/045" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Canted-coil springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/046" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with partial nesting of inner and outer coils </text><reference><text><class-ref scheme="cpc">F16F3/04</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/047" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by varying pitch</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/048" definition-exists="false" ipc-concordant="F16F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with undulations, e.g. wavy springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/06" definition-exists="false" ipc-concordant="F16F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with turns lying in cylindrical surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/065" definition-exists="false" ipc-concordant="F16F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by loading of the coils in a radial direction </text><reference><text>canted-coil springs <class-ref scheme="cpc">F16F1/045</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/08" definition-exists="false" ipc-concordant="F16F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F1/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with turns lying in mainly conical surfaces </text><CPC-specific-text><text>, i.e. characterised by varying diameter </text><reference><text><class-ref scheme="cpc">F16F1/10</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/10" definition-exists="false" ipc-concordant="F16F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spiral springs with turns lying substantially in plane surfaces </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F1/326</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/12" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Attachments or mountings </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F1/041</class-ref>, <class-ref scheme="cpc">F16F13/02</class-ref> take precedence; of combinations of vibration damper and mechanical spring for vehicle suspension units <class-ref scheme="cpc">B60G15/02</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/121" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adjustable, e.g. to modify spring characteristics</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/122" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where coils, e.g. end coils, of the spring are rigidly clamped or similarly fixed</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/123" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert </text><reference><text><class-ref scheme="cpc">F16F1/122</class-ref>, <class-ref scheme="cpc">F16F1/125</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/125" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where the end coils of the spring engage an axial insert </text><reference><text><class-ref scheme="cpc">F16F1/126</class-ref>, <class-ref scheme="cpc">F16F1/128</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/126" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising an element between the end coil of the spring and the support proper, e.g. an elastomeric annulus </text><reference><text><class-ref scheme="cpc">F16F1/13</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/127" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>allowing rotation about axis of spring</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/128" definition-exists="false" ipc-concordant="F16F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with motion-limiting means, e.g. with a full-length guide element or ball joint connections; with protective outer cover </text><reference><text><class-ref scheme="cpc">F16F1/121</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/13" definition-exists="false" ipc-concordant="F16F1/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising inserts and spacers between the windings for changing the mechanical or physical characteristics of the spring </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F1/122</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/14" definition-exists="false" ipc-concordant="F16F1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Torsion springs consisting of bars or tubes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/145" definition-exists="false" ipc-concordant="F16F1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for modifying the spring characteristics </text><reference><text>fluid regulation of torsion spring characteristics in vehicle suspensions <class-ref scheme="cpc">B60G17/0277</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/16" definition-exists="false" ipc-concordant="F16F1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Attachments or mountings </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F1/145</class-ref> takes precedence; mounting means for vehicle stabiliser bars <class-ref scheme="cpc">B60G21/0551</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/18" definition-exists="false" ipc-concordant="F16F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Leaf springs </text><CPC-specific-text><reference><text>planar springs in general <class-ref scheme="cpc">F16F1/027</class-ref>; "Belleville"-type springs with generally radial arms <class-ref scheme="cpc">F16F1/324</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/182" definition-exists="false" ipc-concordant="F16F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/185" definition-exists="false" ipc-concordant="F16F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by shape or design of individual leaves </text><reference><text><class-ref scheme="cpc">F16F1/22</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/187" definition-exists="false" ipc-concordant="F16F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>shaped into an open profile, i.e. C- or U-shaped</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/20" definition-exists="false" ipc-concordant="F16F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with layers, e.g. anti-friction layers, or with rollers between the leaves</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/22" definition-exists="false" ipc-concordant="F16F1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for modifying the spring characteristic </text><CPC-specific-text><reference><text>fluid regulation of leaf spring characteristics in vehicle suspensions <class-ref scheme="cpc">B60G17/0275</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/24" definition-exists="false" ipc-concordant="F16F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lubrication</text></title-part><title-part><text>Covers, e.g. for retaining lubricant</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/26" definition-exists="false" ipc-concordant="F16F1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Attachments or mountings </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F1/182</class-ref>, <class-ref scheme="cpc">F16F1/22</class-ref></text></CPC-specific-text><text> <class-ref scheme="cpc">B60G11/10</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/28" definition-exists="false" ipc-concordant="F16F1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising cylindrical metal pins pivoted in close-fitting sleeves</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/30" definition-exists="false" ipc-concordant="F16F1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising intermediate pieces made of rubber or similar elastic material</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/32" definition-exists="false" ipc-concordant="F16F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Belleville-type springs </text><reference><text>friction-clutch diaphragm springs <class-ref scheme="cpc">F16D13/583</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/322" definition-exists="false" ipc-concordant="F16F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Snap-action springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/324" definition-exists="false" ipc-concordant="F16F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by having tongues or arms directed in a generally radial direction, i.e. diaphragm-type springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/326" definition-exists="false" ipc-concordant="F16F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a spiral-like appearance</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/328" definition-exists="false" ipc-concordant="F16F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with undulations, e.g. wavy springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/34" definition-exists="false" ipc-concordant="F16F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ring springs, i.e. annular bodies deformed radially due to axial load</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F1/36" definition-exists="false" ipc-concordant="F16F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of rubber or other material having high internal friction, </text><CPC-specific-text><text>e.g. thermoplastic elastomers </text><reference><text>spring units consisting of several springs <class-ref scheme="cpc">F16F3/08</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/3605" definition-exists="false" ipc-concordant="F16F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by their material </text><reference><text><class-ref scheme="cpc">F16F1/362</class-ref>, <class-ref scheme="cpc">F16F1/364</class-ref>, <class-ref scheme="cpc">F16F1/366</class-ref>, <class-ref scheme="cpc">F16F1/37</class-ref> take precedence; composition of macromolecular compounds in general <class-ref scheme="cpc">C08L</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/361" definition-exists="false" ipc-concordant="F16F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising magneto-rheological elastomers [MR], </text><reference><text>magneto-rheological fluid dampers <class-ref scheme="cpc">F16F9/535</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/3615" definition-exists="false" ipc-concordant="F16F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for modifying the spring characteristic </text><reference><text><class-ref scheme="cpc">F16F1/371</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/362" definition-exists="false" ipc-concordant="F16F1/362" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/362</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of steel wool, compressed hair, </text><CPC-specific-text><text>woven or non-woven textile, or like materials</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/364" definition-exists="false" ipc-concordant="F16F1/364" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/364</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of cork, wood or like material</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/366" definition-exists="false" ipc-concordant="F16F1/366" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F1/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of fibre-reinforced plastics, </text><CPC-specific-text><text>i.e. characterised by their special construction from such materials</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Attention is drawn to notes following the subclass title regarding interpretation of the term "plastics" in groups <class-ref scheme="cpc">F16F</class-ref>, in particular as regards the subject matter of groups <class-ref scheme="cpc">F16F1/366</class-ref> - <class-ref scheme="cpc">F16F1/3686</class-ref>. </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3665" definition-exists="false" ipc-concordant="F16F1/366" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wound springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/368" definition-exists="false" ipc-concordant="F16F1/368" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Leaf springs</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3683" definition-exists="false" ipc-concordant="F16F1/368" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3683</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Attachments or mountings therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F1/3686" definition-exists="false" ipc-concordant="F16F1/368" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3686</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>End mountings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/37" definition-exists="false" ipc-concordant="F16F1/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F1/37</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>of foam-like material </text><CPC-specific-text><text>, i.e. microcellular material</text></CPC-specific-text><text>, e.g. sponge rubber </text><CPC-specific-text><reference><text>padded linings for vehicle interiors <class-ref scheme="cpc">B60R21/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/371" definition-exists="false" ipc-concordant="F16F1/371" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/371</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by inserts or auxiliary extension </text><CPC-specific-text><text>or exterior</text></CPC-specific-text><text> elements, e.g. for rigidification </text><reference><text><class-ref scheme="cpc">F16F1/387</class-ref> takes precedence; </text><CPC-specific-text><text>non-embedded reinforcing elements for flexibly-walled air springs <class-ref scheme="cpc">F16F9/0436</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3713" definition-exists="false" ipc-concordant="F16F1/371" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3713</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with external elements passively influencing spring stiffness, e.g. rings or hoops</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3716" definition-exists="false" ipc-concordant="F16F1/371" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3716</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>External elements such as covers or envelopes, that are flexible</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/373" definition-exists="false" ipc-concordant="F16F1/373" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/373</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by having a particular shape </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/58</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3732" definition-exists="false" ipc-concordant="F16F1/373" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3732</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an annular or the like shape, e.g. grommet-type resilient mountings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3735" definition-exists="false" ipc-concordant="F16F1/373" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3735</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-part grommet-type resilient mountings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3737" definition-exists="false" ipc-concordant="F16F1/373" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3737</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planar, e.g. in sheet form </text><reference><text>vibration dampers comprising one or more constrained viscoelastic layers <class-ref scheme="cpc">F16F9/306</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/374" definition-exists="false" ipc-concordant="F16F1/374" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/374</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having a spherical or the like shape</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/376" definition-exists="false" ipc-concordant="F16F1/376" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/376</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having projections, studs, serrations or the like on at least one surface </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F1/3835</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">F16F1/387</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/377" definition-exists="false" ipc-concordant="F16F1/377" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/377</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having holes or openings </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F1/37</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">F16F1/387</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/379" definition-exists="false" ipc-concordant="F16F1/379" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F16F1/379</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>characterised by arrangements for controlling the spring temperature, e.g. by cooling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/38" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F1/38</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin </text><CPC-specific-text><text>, i.e. bushing-type </text><reference><text>hydraulically-damped bushes <class-ref scheme="cpc">F16F13/14</class-ref>; suppression of vibrations in rotating systems by making use of elastomeric spring members between rotating elements, driveline torque being transmitted therebetween <class-ref scheme="cpc">F16F15/126</class-ref>, by making use of a dynamic damping mass attached to a rotating element by means of elastomeric springs <class-ref scheme="cpc">F16F15/14</class-ref>; pivots <u>per se</u> <class-ref scheme="cpc">F16C11/00</class-ref>; elastic or yielding bearings or bearing supports <class-ref scheme="cpc">F16C27/00</class-ref>; parts of sliding-contact bearings, e.g. bushes <class-ref scheme="cpc">F16C33/04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3807" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by adaptations for particular modes of stressing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3814" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3814</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by adaptations to counter axial forces </text><reference><text><class-ref scheme="cpc">F16F1/393</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3821" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3821</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by adaptations to counter torsional forces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3828" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>End stop features or buffering </text><reference><text><class-ref scheme="cpc">F16F1/3807</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3835" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3835</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the sleeve of elastic material, e.g. having indentations or made of materials of different hardness </text><reference><text><class-ref scheme="cpc">F16F1/3807</class-ref>, <class-ref scheme="cpc">F16F1/387</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3842" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Method of assembly, production or treatment; Mounting thereof </text><reference><text>supports for pipes, cables or protective tubing <class-ref scheme="cpc">F16L3/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3849" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3849</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting brackets therefor, e.g. stamped steel brackets; Restraining links</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3856" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3856</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vulcanisation or gluing of interface between rigid and elastic sleeves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/3863" definition-exists="false" ipc-concordant="F16F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3863</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the rigid sleeves or pin, e.g. of non-circular cross-section </text><reference><text><class-ref scheme="cpc">F16F1/3807</class-ref>, <class-ref scheme="cpc">F16F1/387</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/387" definition-exists="false" ipc-concordant="F16F1/387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/387</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising means for modifying the rigidity in particular directions </text><CPC-specific-text><reference><text>spherical or conical sleeves <class-ref scheme="cpc">F16F1/393</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3873" definition-exists="false" ipc-concordant="F16F1/387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3873</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having holes or openings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3876" definition-exists="false" ipc-concordant="F16F1/387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of inserts of more rigid material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/393" definition-exists="false" ipc-concordant="F16F1/393" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/393</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with spherical or conical sleeves</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/3935" definition-exists="false" ipc-concordant="F16F1/393" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/3935</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Conical sleeves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/40" definition-exists="false" ipc-concordant="F16F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of a stack of similar elements separated by non-elastic intermediate layers </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/306</class-ref> takes precedence; laminated constructions to protect buildings against abnormal external influences, e.g. earthquakes, <class-ref scheme="cpc">E04H9/022</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/403" definition-exists="false" ipc-concordant="F16F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the shape of the non-elastic interengaging parts between the elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/406" definition-exists="false" ipc-concordant="F16F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the shape of the elastic elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/41" definition-exists="false" ipc-concordant="F16F1/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the spring consisting of generally conically arranged elements </text><CPC-specific-text><reference><text>if sleeve-like, i.e. a surface of revolution <class-ref scheme="cpc">F16F1/3935</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F1/42" definition-exists="false" ipc-concordant="F16F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the mode of stressing</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Classification of documents in groups <class-ref scheme="cpc">F16F1/42</class-ref> - <class-ref scheme="cpc">F16F1/54</class-ref>, concerning the mode of stressing of elastomeric springs, is to be considered only when classification in other subgroups of <class-ref scheme="cpc">F16F1/36</class-ref> would be unsuitable. Attention is drawn to the parallel scheme of indexing codes under <class-ref scheme="cpc">F16F2236/00</class-ref>. </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/422" definition-exists="false" ipc-concordant="F16F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the stressing resulting in flexion of the spring</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/424" definition-exists="false" ipc-concordant="F16F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/424</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of membrane-type springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/426" definition-exists="false" ipc-concordant="F16F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radial flexion of ring-type springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/428" definition-exists="false" ipc-concordant="F16F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of strip- or leg-type springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/44" definition-exists="false" ipc-concordant="F16F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded mainly in compression</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/445" definition-exists="false" ipc-concordant="F16F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the spring material being contained in a generally closed space </text><reference><text><class-ref scheme="cpc">F16F1/393</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/46" definition-exists="false" ipc-concordant="F16F1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded mainly in tension</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/48" definition-exists="false" ipc-concordant="F16F1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded mainly in torsion</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/50" definition-exists="false" ipc-concordant="F16F1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded mainly in shear</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/505" definition-exists="false" ipc-concordant="F16F1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotational shear</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F1/52" definition-exists="false" ipc-concordant="F16F1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded in combined stresses</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F1/54" definition-exists="false" ipc-concordant="F16F1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded in compression and shear</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F1/545" definition-exists="false" ipc-concordant="F16F1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F1/545</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Neidhart-type rubber springs </text><reference><text>vehicle suspensions having Neidhart-type rubber springs <class-ref scheme="cpc">B60G11/225</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F3/00" definition-exists="true" ipc-concordant="F16F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F1/32</class-ref>, <class-ref scheme="cpc">F16F1/34</class-ref>, <class-ref scheme="cpc">F16F7/14</class-ref> take precedence </text></CPC-specific-text><text> ; if including fluid springs <class-ref scheme="cpc">F16F5/00</class-ref>, <class-ref scheme="cpc">F16F13/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this group, vehicle leaf spring units, i.e. "packets" of individual leaves, are considered as a single spring</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F3/02" definition-exists="false" ipc-concordant="F16F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with springs made of steel or of other material having low internal friction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F3/023" definition-exists="false" ipc-concordant="F16F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed only of leaf springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F3/026" definition-exists="false" ipc-concordant="F16F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to give a zero-spring rate characteristic</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F3/04" definition-exists="false" ipc-concordant="F16F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>composed only of wound springs</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F3/06" definition-exists="false" ipc-concordant="F16F3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F3/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>of which some are placed around others in such a way that they damp each other by mutual friction</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F3/08" definition-exists="false" ipc-concordant="F16F3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with springs made of a material having high internal friction, e.g. rubber </text><CPC-specific-text><reference><text>multi-part grommet-type resilient mountings <class-ref scheme="cpc">F16F1/3735</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F3/087" definition-exists="false" ipc-concordant="F16F3/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Units comprising several springs made of plastics or the like material </text><reference><text><class-ref scheme="cpc">F16F1/40</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F1/545</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F3/0873" definition-exists="false" ipc-concordant="F16F3/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/0873</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the same material or the material not being specified</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F3/0876" definition-exists="false" ipc-concordant="F16F3/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/0876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and of the same shape</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F3/093" definition-exists="false" ipc-concordant="F16F3/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the springs being of different materials, e.g. having different types of rubber </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F1/3835</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F3/0935" definition-exists="false" ipc-concordant="F16F3/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/0935</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and being of the same shape</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F3/10" definition-exists="false" ipc-concordant="F16F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combined with springs made of steel or other material having low internal friction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F3/12" definition-exists="false" ipc-concordant="F16F3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the steel spring being in contact with the rubber spring </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F1/12</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F5/00" definition-exists="true" ipc-concordant="F16F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid springs in which the liquid works as a spring by compression, e.g. combined with throttling action</text></title-part><title-part><text>Combinations of devices including liquid springs </text><CPC-specific-text><reference><text>dampers with solid or semi-solid material <class-ref scheme="cpc">F16F9/30</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F6/00" definition-exists="true" ipc-concordant="F16F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F6/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Magnetic springs </text><CPC-specific-text><reference><text>magnetic spring arrangements for the suppression of vibration in systems <class-ref scheme="cpc">F16F15/03</class-ref></text></reference></CPC-specific-text></title-part><title-part><text>Fluid magnetic springs </text><CPC-specific-text><text>, i.e. magnetic spring combined with a fluid</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F6/005" definition-exists="false" ipc-concordant="F16F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F6/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using permanent magnets only</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F7/00" definition-exists="true" ipc-concordant="F16F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F7/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Vibration-dampers</text></title-part><title-part><text>Shock-absorbers </text><reference><text>using fluid <class-ref scheme="cpc">F16F5/00</class-ref>, <class-ref scheme="cpc">F16F9/00</class-ref>; specific for rotary systems <class-ref scheme="cpc">F16F15/10</class-ref> </text><CPC-specific-text><text>; belt tensioners <class-ref scheme="cpc">F16H7/12</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/003" definition-exists="false" ipc-concordant="F16F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>One-shot shock absorbers </text><reference><text>using plastic deformation of members, e.g. using sacrificial, fibre-reinforced composite members <class-ref scheme="cpc">F16F7/12</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/006" definition-exists="false" ipc-concordant="F16F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using textile means </text><reference><text>safety belts or body harnesses incorporating energy absorbing means <class-ref scheme="cpc">A62B35/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/01" definition-exists="false" ipc-concordant="F16F7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using friction between loose particles, e.g. sand</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/015" definition-exists="false" ipc-concordant="F16F7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the particles being spherical, cylindrical or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/02" definition-exists="false" ipc-concordant="F16F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F7/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with relatively-rotatable friction surfaces that are pressed together </text><reference><text><class-ref scheme="cpc">F16F7/01</class-ref> takes precedence; one of the members being a spring <class-ref scheme="cpc">F16F13/02</class-ref> </text><CPC-specific-text><text>; friction devices between relatively-movable parts of a hinge <class-ref scheme="cpc">E05D11/08</class-ref>; braking devices for wings <class-ref scheme="cpc">E05F5/00</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/023" definition-exists="false" ipc-concordant="F16F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and characterised by damping force adjustment means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/026" definition-exists="false" ipc-concordant="F16F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>resulting in the damping effects being different according to direction of rotation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/04" definition-exists="false" ipc-concordant="F16F7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the direction of the axis of rotation </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F7/023</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/06" definition-exists="false" ipc-concordant="F16F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a direction perpendicular or inclined to the axis of rotation </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F7/023</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/065" definition-exists="false" ipc-concordant="F16F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where elements interengaging frictionally are in the shape of spiral bands</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/08" definition-exists="false" ipc-concordant="F16F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F7/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with friction surfaces rectilinearly movable along each other </text><reference><text><class-ref scheme="cpc">F16F7/01</class-ref> takes precedence </text><CPC-specific-text><text>; one of the members being a spring <class-ref scheme="cpc">F16F13/02</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/082" definition-exists="false" ipc-concordant="F16F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and characterised by damping force adjustment means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/085" definition-exists="false" ipc-concordant="F16F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>resulting in the damping effects being different according to direction of movement</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/087" definition-exists="false" ipc-concordant="F16F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Elastomeric surface effect dampers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/09" definition-exists="false" ipc-concordant="F16F7/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in dampers of the cylinder-and-piston type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/095" definition-exists="false" ipc-concordant="F16F7/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>frictional elements brought into engagement by movement along a surface oblique to the axis of the cylinder, e.g. interaction of wedge-shaped elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/10" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>F16F7/10</classification-symbol><class-title date-revised="2020-05-01"><title-part><text>using inertia effect </text><reference><text><class-ref scheme="cpc">F16F13/108</class-ref>, <class-ref scheme="cpc">F16F13/22</class-ref>, <class-ref scheme="cpc">F16F15/10</class-ref>, <class-ref scheme="cpc">F16F15/22</class-ref> take precedence; stabilising vehicle bodies by means of movable masses <class-ref scheme="cpc">B62D37/04</class-ref>; protection of buildings against vibrations or shocks by mass dampers <class-ref scheme="cpc">E04H9/0215</class-ref>; arrangements or devices for damping mechanical oscillations of power lines <class-ref scheme="cpc">H02G7/14</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/1005" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/1005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by active control of the mass</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/1011" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/1011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by electromagnetic means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/1017" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/1017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by fluid means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/1022" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/1022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linear oscillation movement being converted into a rotational movement of the inertia member, e.g. using a pivoted mass</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/1028" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/1028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the inertia-producing means being a constituent part of the system which is to be damped</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/1034" definition-exists="false" ipc-concordant="F16F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/1034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of movement of a liquid</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/104" definition-exists="false" ipc-concordant="F16F7/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inertia member being resiliently mounted </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F7/1022</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/108" definition-exists="false" ipc-concordant="F16F7/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on plastics springs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/112" definition-exists="false" ipc-concordant="F16F7/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on fluid springs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/116" definition-exists="false" ipc-concordant="F16F7/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on metal springs</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/12" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using plastic deformation of members </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/30</class-ref> takes precedence; yieldable means for mounting bumpers on vehicles <class-ref scheme="cpc">B60R19/26</class-ref>; yieldable or collapsible steering columns <class-ref scheme="cpc">B62D1/192</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/121" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the members having a cellular, e.g. honeycomb, structure</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/122" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by corrugations, e.g. of rolled corrugated material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/123" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deformation involving a bending action, e.g. strap moving through multiple rollers, folding of members </text><reference><text><class-ref scheme="cpc">F16F7/125</class-ref>, <class-ref scheme="cpc">F16F7/128</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/124" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by their special construction from fibre-reinforced plastics</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/125" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Units with a telescopic-like action as one member moves into, or out of a second member </text><reference><text><class-ref scheme="cpc">F16F7/124</class-ref>, <class-ref scheme="cpc">F16F7/127</class-ref>, <class-ref scheme="cpc">F16F7/128</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F7/126" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>against the action of shear pins; one member having protuberances, e.g. dimples, ball bearings which cause the other member to deform</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/127" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a blade element cutting or tearing into a quantity of material; Pultrusion of a filling material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F7/128" definition-exists="false" ipc-concordant="F16F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F7/14" definition-exists="false" ipc-concordant="F16F7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of cable support type, i.e. frictionally-engaged loop-forming cables</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F9/00" definition-exists="true" ipc-concordant="F16F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium </text><reference><text><class-ref scheme="cpc">F16F5/00</class-ref> takes precedence; connection of valves to inflatable elastic bodies <class-ref scheme="cpc">B60C29/00</class-ref>; </text><CPC-specific-text><text>braking devices, stops or buffers for wing-operating appliances <class-ref scheme="cpc">E05F3/00</class-ref>, <class-ref scheme="cpc">E05F5/00</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/003" definition-exists="false" ipc-concordant="F16F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dampers characterised by having pressure absorbing means other than gas, e.g. sponge rubber</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/006" definition-exists="false" ipc-concordant="F16F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the nature of the damping medium, e.g. biodegradable </text><reference><text>variable viscosity damping adjustment <class-ref scheme="cpc">F16F9/53</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/02" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas only </text><CPC-specific-text><text>or vacuum </text><reference><text><class-ref scheme="cpc">F16F9/006</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/0209" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Telescopic </text><reference><text><class-ref scheme="cpc">F16F9/04</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0218" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mono-tubular units </text><reference><text><class-ref scheme="cpc">F16F9/0227</class-ref>, <class-ref scheme="cpc">F16F9/0236</class-ref>, <class-ref scheme="cpc">F16F9/0245</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0227" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the piston construction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0236" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by having a hollow piston rod</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0245" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for adjusting the length of, or for locking, the spring or dampers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/0254" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mechanically lockable, e.g. by use of friction collar </text><reference><text>mechanical locking of extensible devices for holding wings <class-ref scheme="cpc">E05C17/30</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/0263" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by actuation means, e.g. manually-operated lever arrangement </text><reference><text><class-ref scheme="cpc">F16F9/0254</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/0272" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control rod extending through the piston rod into the piston</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0281" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/029" definition-exists="false" ipc-concordant="F16F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electrical, e.g. connections or contacts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/04" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a chamber with a flexible wall </text><CPC-specific-text><reference><text>producing hollow articles of plastics, e.g. air bellows, <class-ref scheme="cpc">B29D22/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0409" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the wall structure</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0418" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a particular shape, e.g. annular, spherical, tube-like </text><reference><text><class-ref scheme="cpc">F16F9/05</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/0427" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>toroidal</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0436" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by being contained in a generally closed space</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0445" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by intermediate rings or other not embedded reinforcing elements </text><reference><text>wall structure <class-ref scheme="cpc">F16F9/0409</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0454" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the assembling method or by the mounting arrangement, e.g. mounting of the membrane </text><reference><text><class-ref scheme="cpc">F16F9/0409</class-ref>, <class-ref scheme="cpc">F16F9/0445</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/0463" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with separate crimping rings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/0472" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by comprising a damping device </text><reference><text>with plastic deformation of members <class-ref scheme="cpc">F16F7/12</class-ref>; delay devices or arrangements <class-ref scheme="cpc">F15B21/10</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/0481" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/0481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided in an opening to the exterior atmosphere</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/049" definition-exists="false" ipc-concordant="F16F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/049</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>multi-chamber units </text><reference><text><class-ref scheme="cpc">F16F9/0472</class-ref>, <class-ref scheme="cpc">F16F9/05</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/05" definition-exists="false" ipc-concordant="F16F9/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the flexible wall being of the rolling diaphragm type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/052" definition-exists="false" ipc-concordant="F16F9/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the bumper</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/055" definition-exists="false" ipc-concordant="F16F9/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a double diaphragm construction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/057" definition-exists="false" ipc-concordant="F16F9/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the piston</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/06" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using both gas and liquid </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/486</class-ref> take precedence; self-pumping fluid springs <class-ref scheme="cpc">B60G17/044</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/061" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mono-tubular units</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/062" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bi-tubular units</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/063" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a hollow piston rod</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/064" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Units characterised by the location or shape of the expansion chamber </text><reference><text><class-ref scheme="cpc">F16F9/068</class-ref>, <class-ref scheme="cpc">F16F9/08</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/065" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Expansion chamber provided on the upper or lower end of a damper, separately there from or laterally on the damper</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/066" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Units characterised by the partition, baffle or like element </text><reference><text><class-ref scheme="cpc">F16F9/068</class-ref>, <class-ref scheme="cpc">F16F9/08</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/067" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Partitions of the piston type, e.g. sliding pistons</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/068" definition-exists="false" ipc-concordant="F16F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where the throttling of a gas flow provides damping action</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/08" definition-exists="false" ipc-concordant="F16F9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where gas is</text></CPC-specific-text><text> in a chamber with a flexible wall </text><CPC-specific-text><reference><text>pressurised fluid system accumulators <u>per se</u> <class-ref scheme="cpc">F15B1/04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/081" definition-exists="false" ipc-concordant="F16F9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being of the fluid displacement type, i.e. the piston not comprising damping arrangements </text><reference><text><class-ref scheme="cpc">F16F9/096</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/082" definition-exists="false" ipc-concordant="F16F9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the hydropneumatic accumulator</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/084" definition-exists="false" ipc-concordant="F16F9/084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a gas spring contained within a flexible wall, the wall not being in contact with the damping fluid, i.e. mounted externally on the damper cylinder</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/088" definition-exists="false" ipc-concordant="F16F9/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a gas spring with a flexible wall provided within the cylinder on the piston rod of a monotubular damper or within the inner tube of a bitubular damper</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/092" definition-exists="false" ipc-concordant="F16F9/092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a gas spring with a flexible wall provided between the tubes of a bitubular damper</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/096" definition-exists="false" ipc-concordant="F16F9/096" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/096</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a hydropneumatic accumulator of the membrane type provided on the upper or the lower end of a damper or separately from or laterally on the damper </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/088</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/10" definition-exists="false" ipc-concordant="F16F9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using liquid only</text></title-part><title-part><text>using a fluid of which the nature is immaterial</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/103" definition-exists="false" ipc-concordant="F16F9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices with one or more members moving linearly to and fro in chambers, any throttling effect being immaterial, i.e. damping by viscous shear effect only </text><reference><text><class-ref scheme="cpc">F16F9/53</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/106" definition-exists="false" ipc-concordant="F16F9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Squeeze-tube devices</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/12" definition-exists="false" ipc-concordant="F16F9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices with one or more rotary vanes turning in the fluid any throttling effect being immaterial, </text><CPC-specific-text><text>i.e. damping by viscous shear effect only </text><reference><text><class-ref scheme="cpc">F16F9/53</class-ref> takes precedence; pivoting supports for apparatus or articles placed on stands or trestles <class-ref scheme="cpc">F16M11/06</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/125" definition-exists="false" ipc-concordant="F16F9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by adjustment means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/14" definition-exists="false" ipc-concordant="F16F9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/145" definition-exists="false" ipc-concordant="F16F9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving only rotary movement of the effective parts </text><reference><text>wing closers or openers with fluid brakes of the rotary type <class-ref scheme="cpc">E05F3/14</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/16" definition-exists="false" ipc-concordant="F16F9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving only straight-line movement of the effective parts </text><CPC-specific-text><reference><text>wing closers or openers with liquid piston brakes <class-ref scheme="cpc">E05F3/04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/165" definition-exists="false" ipc-concordant="F16F9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with two or more cylinders in line, i.e. in series connection </text><reference><text><class-ref scheme="cpc">F16F9/26</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/18" definition-exists="false" ipc-concordant="F16F9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a closed cylinder and a piston separating two or more working spaces therein</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/182" definition-exists="false" ipc-concordant="F16F9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a hollow piston rod</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/185" definition-exists="false" ipc-concordant="F16F9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bitubular units </text><reference><text>where compression of gas leads to a clear spring action <class-ref scheme="cpc">F16F9/062</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F9/187" definition-exists="false" ipc-concordant="F16F9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with uni-directional flow of damping fluid through the valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/19" definition-exists="false" ipc-concordant="F16F9/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a single cylinder </text><CPC-specific-text><text>and of single-tube type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/20" definition-exists="false" ipc-concordant="F16F9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F9/20</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with the piston-rod extending through both ends of the cylinder </text><CPC-specific-text><text>, e.g. constant-volume dampers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/22" definition-exists="false" ipc-concordant="F16F9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with one or more cylinders each having a single working space closed by a piston or plunger</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/26" definition-exists="false" ipc-concordant="F16F9/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two cylinders in line and with the two pistons or plungers connected together</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/28" definition-exists="false" ipc-concordant="F16F9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two parallel cylinders and with the two pistons or plungers connected together</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F9/285" definition-exists="false" ipc-concordant="F16F9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a rocker arm</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/30" definition-exists="false" ipc-concordant="F16F9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with solid or semi-solid material, e.g. pasty masses, as damping medium </text><CPC-specific-text><reference><text>in devices where rotary elements are damped by viscous shear effect only, any throttling effect being immaterial <class-ref scheme="cpc">F16F9/12</class-ref>; where members moving with a rotating system are being damped <class-ref scheme="cpc">F16F15/16</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/303" definition-exists="false" ipc-concordant="F16F9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the damper being of the telescopic type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/306" definition-exists="false" ipc-concordant="F16F9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the constrained layer type, i.e. comprising one or more constrained viscoelastic layers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F9/32" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/3207" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F9/3207</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Constructional features </text><reference><text><class-ref scheme="cpc">F16F9/34</class-ref> - <class-ref scheme="cpc">F16F9/50</class-ref> take precedence; assembly or repair <class-ref scheme="cpc">F16F9/3271</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/3214" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of pistons </text><reference><text><class-ref scheme="cpc">F16F9/0227</class-ref> and <class-ref scheme="cpc">F16F9/36</class-ref> take precedence; throttling passages in or on piston body <class-ref scheme="cpc">F16F9/3405</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/3221" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of piston rods</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/3228" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of connections between pistons and piston rods</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/3235" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of cylinders </text><reference><text><class-ref scheme="cpc">F16F9/483</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3242" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of cylinder ends, e.g. caps</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/325" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for attachment of valve units</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3257" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in twin-tube type devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/3264" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for indicating, e.g. fluid level; Arrangements for checking dampers </text><reference><text><class-ref scheme="cpc">F16F9/3292</class-ref> takes precedence; testing of vehicle damping <class-ref scheme="cpc">G01M17/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/3271" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Assembly or repair</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/3278" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for lubrication </text><reference><text>lubricating <u>per se</u> <class-ref scheme="cpc">F16N</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/3285" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for filtering </text><reference><text>filters <u>per se</u> <class-ref scheme="cpc">B01D</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/3292" definition-exists="false" ipc-concordant="F16F9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sensor arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/34" definition-exists="false" ipc-concordant="F16F9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special valve constructions </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F9/44</class-ref>, <class-ref scheme="cpc">F16F9/50</class-ref> take precedence; filtering details <class-ref scheme="cpc">F16F9/3285</class-ref></text></CPC-specific-text><text> ; valves in general <class-ref scheme="cpc">F16K</class-ref></text></reference></title-part><title-part><text>Shape or construction of throttling passages</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/3405" definition-exists="false" ipc-concordant="F16F9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttling passages in or on piston body, e.g. slots </text><reference><text><class-ref scheme="cpc">F16F9/344</class-ref>, <class-ref scheme="cpc">F16F9/3481</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/341" definition-exists="false" ipc-concordant="F16F9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/341</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising noise-reducing or like features, e.g. screens </text><reference><text><class-ref scheme="cpc">F16F9/3415</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/3415" definition-exists="false" ipc-concordant="F16F9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by comprising plastics, elastomeric or porous elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/342" definition-exists="false" ipc-concordant="F16F9/342" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/342</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Throttling passages operating with metering pins </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/486</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/344" definition-exists="false" ipc-concordant="F16F9/344" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/344</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vortex flow passages</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/346" definition-exists="false" ipc-concordant="F16F9/346" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Throttling passages in the form of slots arranged in cylinder walls</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3465" definition-exists="false" ipc-concordant="F16F9/346" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Slots having a variable section along their length</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/348" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/348</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Throttling passages in the form of annular discs </text><CPC-specific-text><text>or other plate-like elements which may or may not have a spring action</text></CPC-specific-text><text>, operating in opposite directions </text><CPC-specific-text><text>or singly, e.g. annular discs positioned on top of the valve or piston body </text><reference><text><class-ref scheme="cpc">F16F9/341</class-ref>, <class-ref scheme="cpc">F16F9/3415</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3481" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by shape or construction of throttling passages in piston </text><reference><text><class-ref scheme="cpc">F16F9/344</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3482" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3482</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the annular discs being incorporated within the valve or piston body </text><reference><text><class-ref scheme="cpc">F16F9/3484</class-ref>, <class-ref scheme="cpc">F16F9/3485</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3484" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3484</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of the annular discs <u>per se</u>, singularly or in combination</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3485" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of supporting elements intended to guide or limit the movement of the annular discs </text><reference><text><class-ref scheme="cpc">F16F9/3488</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/3487" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3487</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with spacers or spacing rings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/3488" definition-exists="false" ipc-concordant="F16F9/348" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/3488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features intended to affect valve bias or pre-stress</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/36" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F9/36</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Special sealings, including sealings or guides for piston-rods </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F9/325</class-ref>, <class-ref scheme="cpc">F16F9/3485</class-ref> take precedence; arrangements for filling via piston rod sealing or guiding means <class-ref scheme="cpc">F16F9/432</class-ref></text></CPC-specific-text><text> ; sealing of moving parts in general <class-ref scheme="cpc">F16J15/16</class-ref> - <class-ref scheme="cpc">F16J15/56</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/361" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealings of the bellows-type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/362" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/362</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination of sealing and guide arrangements for piston rods </text><reference><text><class-ref scheme="cpc">F16F9/361</class-ref>, <class-ref scheme="cpc">F16F9/365</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/363" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the guide being mounted between the piston and the sealing, enabling lubrication of the guide</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/364" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/364</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of multi-tube dampers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/365" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sealing arrangement having a pressurised chamber separated from the damping medium</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/366" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>functioning as guide only, e.g. bushings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/367" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/367</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>allowing misalignment of the piston rod</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/368" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealings in pistons</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/369" definition-exists="false" ipc-concordant="F16F9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/369</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealings for elements other than pistons or piston rods, e.g. valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/38" definition-exists="false" ipc-concordant="F16F9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Covers for protection or appearance</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/42" definition-exists="false" ipc-concordant="F16F9/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling arrangements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/43" definition-exists="false" ipc-concordant="F16F9/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filling </text><CPC-specific-text><text>or drainage</text></CPC-specific-text><text> arrangements, e.g. for supply of gas </text><CPC-specific-text><reference><text>filling vessels with, or discharging from vessels, compressed, liquefied, or solidified gases <class-ref scheme="cpc">F17C</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/432" definition-exists="false" ipc-concordant="F16F9/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/432</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>via piston rod sealing or guiding means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/435" definition-exists="false" ipc-concordant="F16F9/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>via opening in cylinder wall </text><reference><text><class-ref scheme="cpc">F16F9/432</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/437" definition-exists="false" ipc-concordant="F16F9/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/437</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drainage arrangements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/44" definition-exists="false" ipc-concordant="F16F9/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F9/44</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Means on or in the damper for manual or non-automatic adjustment</text></title-part><title-part><text>such means combined with temperature correction </text><reference><text><class-ref scheme="cpc">F16F9/53</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F13/26</class-ref></text></CPC-specific-text><text> take precedence; temperature correction only <class-ref scheme="cpc">F16F9/52</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/443" definition-exists="false" ipc-concordant="F16F9/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>manually adjusted while the damper is fully retracted or extended in a non-operational mode by rotating mechanical means that have engaged between the piston and one end of the cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/446" definition-exists="false" ipc-concordant="F16F9/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjustment of valve bias or pre-stress </text><reference><text><class-ref scheme="cpc">F16F9/443</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/46" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F9/46</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>allowing control from a distance </text><CPC-specific-text><text>, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall </text><reference><text>attachment of valve units to cylinders <class-ref scheme="cpc">F16F9/325</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/461" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by actuation means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/462" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotary actuation means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/463" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by electrical connections</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/464" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of valve bias or pre-stress, e.g. electromagnetically </text><reference><text><class-ref scheme="cpc">F16F9/465</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/465" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using servo control, the servo pressure being created by the flow of damping fluid, e.g. controlling pressure in a chamber downstream of a pilot passage </text><reference><text>self-adjustment of damping <class-ref scheme="cpc">F16F9/50</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/466" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttling control, i.e. regulation of flow passage geometry </text><reference><text><class-ref scheme="cpc">F16F9/464</class-ref>, <class-ref scheme="cpc">F16F9/465</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/467" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/467</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rotary valves</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F9/468" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlling at least one bypass to main flow path</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F9/469" definition-exists="false" ipc-concordant="F16F9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves incorporated in the piston </text><reference><text><class-ref scheme="cpc">F16F9/467</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/48" definition-exists="false" ipc-concordant="F16F9/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for providing different damping effects at different parts of the stroke </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F9/346</class-ref>, <class-ref scheme="cpc">F16F9/516</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">F16F9/53</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/483" definition-exists="false" ipc-concordant="F16F9/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by giving a particular shape to the cylinder, e.g. conical</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/486" definition-exists="false" ipc-concordant="F16F9/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/49" definition-exists="false" ipc-concordant="F16F9/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/49</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stops limiting fluid passage, e.g. hydraulic stops </text><CPC-specific-text><text>or elastomeric elements inside the cylinder which contribute to changes in fluid damping </text><reference><text>fluid-actuated displacement devices with means for accelerating or decelerating the stroke <class-ref scheme="cpc">F15B15/22</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/50" definition-exists="false" ipc-concordant="F16F9/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special means providing automatic damping adjustment, </text><CPC-specific-text><text>i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs</text></CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/53</class-ref> takes precedence</text></reference><text>; </text><CPC-specific-text><text>Special means providing self-adjustment of spring characteristics</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/504" definition-exists="false" ipc-concordant="F16F9/504" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F9/504</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Inertia </text><CPC-specific-text><text>, i.e. acceleration,</text></CPC-specific-text><text>-sensitive means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/512" definition-exists="false" ipc-concordant="F16F9/512" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/512</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means responsive to load action, </text><CPC-specific-text><text>i.e. static load</text></CPC-specific-text><text> on the damper or </text><CPC-specific-text><text>dynamic</text></CPC-specific-text><text> fluid pressure </text><CPC-specific-text><text>changes</text></CPC-specific-text><text> in the damper, </text><CPC-specific-text><text>e.g. due to changes in velocity </text><reference><text><class-ref scheme="cpc">F16F9/504</class-ref>, <class-ref scheme="cpc">F16F9/516</class-ref> take precedence; non-automatic damper adjustment from a distance using servo control, the servo pressure being created by the flow of damping fluid <class-ref scheme="cpc">F16F9/465</class-ref>; self-pumping fluid springs in vehicle suspensions <class-ref scheme="cpc">B60G17/044</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/5123" definition-exists="false" ipc-concordant="F16F9/512" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/5123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>responsive to the static or steady-state load on the damper</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/5126" definition-exists="false" ipc-concordant="F16F9/512" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/5126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Piston, or piston-like valve elements </text><reference><text><class-ref scheme="cpc">F16F9/504</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/516" definition-exists="false" ipc-concordant="F16F9/516" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F9/516</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>resulting in the damping effects during contraction being different from the damping effects during extension </text><CPC-specific-text><text>, i.e. responsive to the direction of movement </text><reference><text><class-ref scheme="cpc">F16F9/504</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/5165" definition-exists="false" ipc-concordant="F16F9/516" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/5165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by use of spherical valve elements or like free-moving bodies</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/52" definition-exists="false" ipc-concordant="F16F9/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in case of change of temperature </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F9/003</class-ref> takes precedence; </text></CPC-specific-text><text> combined with external adjustment <class-ref scheme="cpc">F16F9/44</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/523" definition-exists="false" ipc-concordant="F16F9/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with coil or spiral of bimetallic elements being used to change flow cross-section</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/526" definition-exists="false" ipc-concordant="F16F9/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Self-adjustment of fluid springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/53" definition-exists="false" ipc-concordant="F16F9/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/53</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F13/30</class-ref> takes precedence; brakes comprising a medium with electrically or magnetically controlled friction <class-ref scheme="cpc">F16D57/002</class-ref>; electrorheological fluids <u>per se</u> <class-ref scheme="cpc">C10M171/001</class-ref>; magnetorheological fluids <u>per se</u> <class-ref scheme="cpc">H01F1/447</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/532" definition-exists="false" ipc-concordant="F16F9/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/532</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrorheological [ER] fluid dampers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/535" definition-exists="false" ipc-concordant="F16F9/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/535</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetorheological [MR] fluid dampers </text><reference><text>springs comprising magnetorheological [MR] elastomers <class-ref scheme="cpc">F16F1/361</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F9/537" definition-exists="false" ipc-concordant="F16F9/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/537</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted valves therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/54" definition-exists="false" ipc-concordant="F16F9/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for attachment </text><CPC-specific-text><reference><text>grommet-type rubber mounting springs <u>per se</u> <class-ref scheme="cpc">F16F1/3732</class-ref>; construction of cylinder ends <class-ref scheme="cpc">F16F9/3242</class-ref>; attachments to vehicles <class-ref scheme="cpc">B60G13/001</class-ref>, <class-ref scheme="cpc">B60G15/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/56" definition-exists="false" ipc-concordant="F16F9/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for adjusting the length of, or for locking, the spring or damper, e.g. at the end of the stroke </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/50</class-ref> takes precedence; for telescopic gas springs or dampers <class-ref scheme="cpc">F16F9/0245</class-ref>; vehicle suspension locking arrangements <class-ref scheme="cpc">B60G17/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F9/58" definition-exists="false" ipc-concordant="F16F9/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder </text><reference><text><class-ref scheme="cpc">F16F9/49</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F9/585" definition-exists="false" ipc-concordant="F16F9/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F9/585</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>within the cylinder, in contact with working fluid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F13/00" definition-exists="true" ipc-concordant="F16F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs </text><reference><text><class-ref scheme="cpc">F16F5/00</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F6/00</class-ref>, <class-ref scheme="cpc">F16F9/003</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F13/002" definition-exists="false" ipc-concordant="F16F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising at least one fluid spring </text><reference><text><class-ref scheme="cpc">F16F13/005</class-ref>, <class-ref scheme="cpc">F16F13/02</class-ref>, <class-ref scheme="cpc">F16F13/04</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F13/005" definition-exists="false" ipc-concordant="F16F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising both a wound spring and a damper, e.g. a friction damper</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F13/007" definition-exists="false" ipc-concordant="F16F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the damper being a fluid damper</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F13/02" definition-exists="false" ipc-concordant="F16F13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>damping by frictional contact between the spring and braking means </text><reference><text>frictionally coacting wound springs <class-ref scheme="cpc">F16F3/06</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F13/04" definition-exists="false" ipc-concordant="F16F13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising both a plastics spring and a damper, e.g. a friction damper</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F13/06" definition-exists="false" ipc-concordant="F16F13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper </text><reference><text><class-ref scheme="cpc">F16F13/26</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/08" definition-exists="false" ipc-concordant="F16F13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F13/08</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>the plastics spring forming at least a part of the wall of the fluid chamber of the damper </text><reference><text><class-ref scheme="cpc">F16F13/20</class-ref> - <class-ref scheme="cpc">F16F13/24</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F13/085" definition-exists="false" ipc-concordant="F16F13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of plastics springs; Attachment arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F13/10" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F13/10</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>the wall being at least in part formed by a flexible membrane or the like </text><reference><text><class-ref scheme="cpc">F16F13/14</class-ref> - <class-ref scheme="cpc">F16F13/18</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/101" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by buffering features or stoppers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/102" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of flexible walls of equilibration chambers; decoupling or self-tuning means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/103" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by method of assembly, production or treatment</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/105" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of partitions between two working chambers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F13/106" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Design of constituent elastomeric parts, e.g. decoupling valve elements, or of immediate abutments therefor, e.g. cages</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F13/107" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Passage design between working chambers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/108" definition-exists="false" ipc-concordant="F16F13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of plastics springs, e.g. attachment arrangements </text><reference><text><class-ref scheme="cpc">F16F13/18</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F13/14" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F13/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Units of the bushing type </text><CPC-specific-text><text>, i.e. loaded predominantly radially </text><reference><text>bushes <class-ref scheme="cpc">F16F1/38</class-ref>; mounting brackets therefor <class-ref scheme="cpc">F16F1/3849</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1409" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by buffering features or stoppers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1418" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the location or shape of the equilibration chamber</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1427" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of flexible walls of equilibration chambers; decoupling or self-tuning means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1436" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with free- or virtually free-floating members</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1445" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by method of assembly, production or treatment</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F13/1454" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealing of units</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1463" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of passages between working chambers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F13/1472" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valve elements to cope with over-pressure, e.g. lips</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/1481" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/1481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of plastic springs, e.g. presence of cavities or stiffeners; characterised by features of flexible walls of equilibration chambers, i.e. membranes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/149" definition-exists="false" ipc-concordant="F16F13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/149</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple bushings connected together; Restraining links</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F13/16" definition-exists="false" ipc-concordant="F16F13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for receiving axial loads </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F13/1436</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F13/18" definition-exists="false" ipc-concordant="F16F13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the location or the shape of the equilibration chamber, e.g. the equilibration chamber, surrounding the plastics spring or being annular </text><reference><text><class-ref scheme="cpc">F16F13/1418</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/20" definition-exists="false" ipc-concordant="F16F13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by comprising also a pneumatic spring </text><reference><text><class-ref scheme="cpc">F16F13/22</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F13/26</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/22" definition-exists="false" ipc-concordant="F16F13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>F16F13/22</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>characterised by comprising also a dynamic damper </text><reference><text>dampers using inertia effect <u>per se</u> <class-ref scheme="cpc">F16F7/10</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/24" definition-exists="false" ipc-concordant="F16F13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the central part of the unit being supported by one element and both extremities of the unit being supported by a single other element, i.e. double acting mounting</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F13/26" definition-exists="false" ipc-concordant="F16F13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by adjusting or regulating devices responsive to exterior conditions </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F13/101</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/262" definition-exists="false" ipc-concordant="F16F13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length </text><reference><text><class-ref scheme="cpc">F16F13/28</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/264" definition-exists="false" ipc-concordant="F16F13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means for acting dynamically on the walls bounding a working chamber</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/266" definition-exists="false" ipc-concordant="F16F13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means for acting dynamically on the walls bounding a passage between working and equilibration chambers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/268" definition-exists="false" ipc-concordant="F16F13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means for acting dynamically on the walls bounding an equilibration chamber </text><reference><text><class-ref scheme="cpc">F16F13/264</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/28" definition-exists="false" ipc-concordant="F16F13/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for units of the bushing type </text><reference><text><class-ref scheme="cpc">F16F13/30</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F13/30" definition-exists="false" ipc-concordant="F16F13/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F13/305" definition-exists="false" ipc-concordant="F16F13/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F13/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>magnetorheological</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F16F15/00" definition-exists="true" ipc-concordant="F16F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suppression of vibrations in systems </text><reference><CPC-specific-text><text>damping of non-rotary systems using inertia effect <class-ref scheme="cpc">F16F7/10</class-ref>; prevention or isolation of vibrations in machine tools <class-ref scheme="cpc">B23Q11/0032</class-ref>; suppression of driveline vibrations in hybrid vehicle transmissions <class-ref scheme="cpc">B60W30/20</class-ref></text></CPC-specific-text><text> ; vehicle seat suspension devices <class-ref scheme="cpc">B60N2/50</class-ref>; </text><CPC-specific-text><text>methods or devices for protecting against, or damping of, acoustic waves, e.g. sound <class-ref scheme="cpc">G10K11/16</class-ref></text></CPC-specific-text></reference></title-part><title-part><text>Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion </text><reference><CPC-specific-text><text>vibration absorbing or balancing means for aircraft propellers <class-ref scheme="cpc">B64C11/008</class-ref>, for rotorcraft rotors <class-ref scheme="cpc">B64C27/001</class-ref></text></CPC-specific-text><text> ; testing static and dynamic balance of machines or structures <class-ref scheme="cpc">G01M1/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/002" definition-exists="false" ipc-concordant="F16F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the control method or circuitry </text><reference><text>control of mechanical oscillations <u>per se</u> <class-ref scheme="cpc">G05D19/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/005" definition-exists="false" ipc-concordant="F16F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>F16F15/005</classification-symbol><class-title date-revised="2023-02-01"><title-part><CPC-specific-text><text>using electro- or magnetostrictive actuation means </text><reference><text>generating of mechanical vibrations operating with electrostriction <class-ref scheme="cpc">B06B1/06</class-ref>, with magnetostriction <class-ref scheme="cpc">B06B1/08</class-ref>; vehicle suspension arrangements characterised by use of piezo-electric elements <class-ref scheme="cpc">B60G17/01941</class-ref>; piezo-electric, electrostrictive and magnetostrictive devices <u>per se</u> <class-ref scheme="cpc">H10N30/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/007" definition-exists="false" ipc-concordant="F16F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Piezo-electric elements being placed under pre-constraint, e.g. placed under compression</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/02" definition-exists="false" ipc-concordant="F16F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suppression of vibrations of non-rotating, e.g. reciprocating systems</text></title-part><title-part><text>Suppression of vibrations of rotating systems by use of members not moving with the rotating systems </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F15/005</class-ref> takes precedence </text></CPC-specific-text><text> ; layered products <class-ref scheme="cpc">B32B</class-ref>; suppression of vibration in ships <class-ref scheme="cpc">B63</class-ref>; </text><CPC-specific-text><text>relieving load on bearings, using magnetic means <class-ref scheme="cpc">F16C39/06</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/021" definition-exists="false" ipc-concordant="F16F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Decoupling of vibrations by means of point-of-contact supports, e.g. ball bearings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/022" definition-exists="false" ipc-concordant="F16F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using dampers and springs in combination</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/023" definition-exists="false" ipc-concordant="F16F15/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using fluid means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/0232" definition-exists="false" ipc-concordant="F16F15/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/0232</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with at least one gas spring </text><reference><text><class-ref scheme="cpc">F16F15/027</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/0235" definition-exists="false" ipc-concordant="F16F15/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where a rotating member is in contact with fluid </text><reference><text>rotary viscous dampers <u>per se</u> <class-ref scheme="cpc">F16F9/12</class-ref>; suppression of vibrations in rotating systems containing a fluid <class-ref scheme="cpc">F16F15/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/0237" definition-exists="false" ipc-concordant="F16F15/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/0237</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving squeeze-film damping</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/027" definition-exists="false" ipc-concordant="F16F15/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising control arrangements </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/0237</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/0275" definition-exists="false" ipc-concordant="F16F15/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of stiffness</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/03" definition-exists="false" ipc-concordant="F16F15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using </text><CPC-specific-text><text>magnetic or</text></CPC-specific-text><text> electromagnetic means </text><reference><text><class-ref scheme="cpc">F16F9/53</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F15/005</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/035" definition-exists="false" ipc-concordant="F16F15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by use of eddy or induced-current damping </text><reference><text>dynamo-electric brakes of the eddy-current type <class-ref scheme="cpc">H02K49/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/04" definition-exists="false" ipc-concordant="F16F15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F16F15/04</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>using elastic means </text><reference><text>single elements or their attachment <class-ref scheme="cpc">F16F1/00</class-ref> - <class-ref scheme="cpc">F16F13/00</class-ref></text></reference><text>; </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/023</class-ref>, <class-ref scheme="cpc">F16F15/03</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/043" definition-exists="false" ipc-concordant="F16F15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting on a cam follower</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/046" definition-exists="false" ipc-concordant="F16F15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using combinations of springs of different kinds </text><reference><text><class-ref scheme="cpc">F16F15/085</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/06" definition-exists="false" ipc-concordant="F16F15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with metal springs </text><reference><text>with rubber springs also <class-ref scheme="cpc">F16F15/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/063" definition-exists="false" ipc-concordant="F16F15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with bars or tubes used as torsional elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/067" definition-exists="false" ipc-concordant="F16F15/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using only wound springs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/073" definition-exists="false" ipc-concordant="F16F15/073" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using only leaf springs</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/08" definition-exists="false" ipc-concordant="F16F15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rubber springs </text><CPC-specific-text><reference><text>grommet- or bushing-type resilient mountings <class-ref scheme="cpc">F16F1/3732</class-ref>, <class-ref scheme="cpc">F16F1/38</class-ref></text></reference><text>; with springs made of rubber and metal </text><reference><text>arrangement of internal-combustion or jet-propulsion units <class-ref scheme="cpc">B60K5/12</class-ref>; mounting of propulsion plants on vessels <class-ref scheme="cpc">B63H21/30</class-ref>; mounting of vehicle drivers' cabs <class-ref scheme="cpc">B62D33/0604</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/085" definition-exists="false" ipc-concordant="F16F15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of both rubber and metal springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/10" definition-exists="false" ipc-concordant="F16F15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F15/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Suppression of vibrations in rotating systems by making use of members moving with the system </text><reference><text>by balancing <class-ref scheme="cpc">F16F15/22</class-ref> </text><CPC-specific-text><text>; yielding couplings <class-ref scheme="cpc">F16D3/00</class-ref></text></CPC-specific-text><text> ; with flywheels acting variably or intermittently <class-ref scheme="cpc">F16H</class-ref> </text><CPC-specific-text><text>; construction providing resilience or vibration-damping for gear elements <class-ref scheme="cpc">F16H55/14</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/12" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F15/14</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">F16F15/16</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1201" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for damping of axial or radial, i.e. non-torsional vibrations </text><reference><text><class-ref scheme="cpc">F16F15/13107</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1202" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the damping action being at least partially controlled by centrifugal masses </text><reference><text><class-ref scheme="cpc">F16F15/13128</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1203" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by manufacturing, e.g. assembling or testing procedures for the damper units </text><reference><text><class-ref scheme="cpc">F16F15/13142</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1204" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a kinematic mechanism or gear system </text><reference><text><class-ref scheme="cpc">F16F15/1202</class-ref>, <class-ref scheme="cpc">F16F15/13157</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1205" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a kinematic mechanism, i.e. linkages, levers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1206" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a planetary gear system</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1207" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the supporting arrangement of the damper unit </text><reference><text><class-ref scheme="cpc">F16F15/1238</class-ref>, <class-ref scheme="cpc">F16F15/13164</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1208" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bearing arrangements</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1209" definition-exists="false" ipc-concordant="F16F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising sliding bearings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/121" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using springs as elastic members, e.g. metallic springs </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/133</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1211" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>C-shaped springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1212" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1212</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>disposed around axis of rotation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1213" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1213</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spiral springs, e.g. lying in one plane, around axis of rotation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1214" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Folded springs, i.e. made of band-like material folded in an enclosing space</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1215" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Leaf springs, e.g. radially extending</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1216" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Torsional springs, e.g. torsion bar or torsionally-loaded coil springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1217" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1217</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Motion-limiting means, e.g. means for locking the spring unit in pre-defined positions </text><reference><text><class-ref scheme="cpc">F16F15/1202</class-ref>, <class-ref scheme="cpc">F16F15/1338</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1218" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of spring-loaded radially arranged locking means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1219" definition-exists="false" ipc-concordant="F16F15/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1219</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of spring-loaded axially arranged locking means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/123" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wound springs </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/1213</class-ref>, <class-ref scheme="cpc">F16F15/1216</class-ref>, <class-ref scheme="cpc">F16F15/127</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/12306" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radially mounted springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/12313" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12313</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the dimension or shape of spring-containing windows</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1232" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1232</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the spring mounting </text><reference><text><class-ref scheme="cpc">F16F15/12306</class-ref>, <class-ref scheme="cpc">F16F15/12313</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/12326" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>End-caps for springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/12333" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12333</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having internal abutment means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/1234" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1234</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Additional guiding means for springs, e.g. for support along the body of springs that extend circumferentially over a significant length</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/12346" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Set of springs, e.g. springs within springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/12353" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12353</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/1236" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>resulting in a staged spring characteristic, e.g. with multiple intermediate plates</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/12366" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting on multiple sets of springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="F16F15/12373" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12373</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sets of springs being arranged at substantially the same radius</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1238" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pre-damper, i.e. additional set of springs between flange of main damper and hub</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/12386" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pre-damper cage construction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/12393" definition-exists="false" ipc-concordant="F16F15/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/12393</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pre-damper springs are of non-wound type, e.g. leaf springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/124" definition-exists="false" ipc-concordant="F16F15/124" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elastomeric springs </text><reference><text><class-ref scheme="cpc">F16F15/123</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F15/127</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1245" definition-exists="false" ipc-concordant="F16F15/124" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Elastic elements arranged between substantially-radial walls of two parts rotatable with respect to each other, e.g. between engaging teeth</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/126" definition-exists="false" ipc-concordant="F16F15/126" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of at least one annular element surrounding the axis of rotation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/127" definition-exists="false" ipc-concordant="F16F15/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using plastics springs combined with other types of springs</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/129" definition-exists="false" ipc-concordant="F16F15/129" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/129</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by friction-damping means </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F16F15/1202</class-ref>, <class-ref scheme="cpc">F16F15/1238</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">F16F15/131</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1292" definition-exists="false" ipc-concordant="F16F15/129" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by arrangements for axially clamping or positioning or otherwise influencing the frictional plates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1295" definition-exists="false" ipc-concordant="F16F15/129" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by means for interconnecting driven plates and retainer, cover plates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1297" definition-exists="false" ipc-concordant="F16F15/129" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1297</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Overload protection, i.e. means for limiting torque</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/131" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/131</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the rotating system comprising two or more gyratory masses</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13107" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for damping of axial or radial, i.e. non-torsional vibrations</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13114" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13114</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by modifications for auxiliary purposes, e.g. provision of a timing mark</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13121" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by clutch arrangements, e.g. for activation; integrated with clutch members, e.g. pressure member</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13128" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the damping action being at least partially controlled by centrifugal masses </text><reference><text>flywheels characterised by means to vary the moment of inertia <class-ref scheme="cpc">F16F15/31</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/13135" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13135</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>simple connection or disconnection of members at speed</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13142" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the method of assembly, production or treatment </text><reference><text><class-ref scheme="cpc">F16F15/13114</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1315" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1315</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-part primary or secondary masses, e.g. assembled from pieces of sheet steel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13157" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13157</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a kinematic mechanism or gear system, e.g. planetary </text><reference><text><class-ref scheme="cpc">F16F15/13128</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/13164" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the supporting arrangement of the damper unit</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/13171" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13171</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bearing arrangements </text><reference><text><class-ref scheme="cpc">F16F15/13192</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/13178" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13178</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising slide bearings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/13185" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bolting arrangements </text><reference><text><class-ref scheme="cpc">F16F15/13171</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/13192" definition-exists="false" ipc-concordant="F16F15/131" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13192</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal shielding</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/133" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/133</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using springs as elastic members, e.g. metallic springs</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1331" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1331</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>C-shaped springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/1332" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1332</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>disposed around axis of rotation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1333" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1333</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spiral springs, e.g. lying in one plane, around axis of rotation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1335" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1335</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Folded springs, i.e. made of band-like material folded in an enclosing space</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1336" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1336</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Leaf springs, e.g. radially extending</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1337" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1337</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Torsional springs, e.g. torsion bar or torsionally-loaded coil springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1338" definition-exists="false" ipc-concordant="F16F15/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1338</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Motion-limiting means, e.g. means for locking the spring unit in pre-defined positions </text><reference><text><class-ref scheme="cpc">F16F15/13128</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/134" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/134</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wound springs </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/1333</class-ref>, <class-ref scheme="cpc">F16F15/1337</class-ref>, <class-ref scheme="cpc">F16F15/137</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/13407" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radially mounted springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/13415" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the dimension or shape of spring-containing windows</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/13423" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Disposition of material for damping or avoiding wear</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/1343" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the spring mounting </text><reference><text><class-ref scheme="cpc">F16F15/13407</class-ref>, <class-ref scheme="cpc">F16F15/13415</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/13438" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>End-caps for springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="F16F15/13446" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having internal abutment means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/13453" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Additional guiding means for springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/13461" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Set of springs, e.g. springs within springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/13469" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F16F15/13476" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>resulting in a staged spring characteristic, e.g. with multiple intermediate plates</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="F16F15/13484" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13484</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting on multiple sets of springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="F16F15/13492" definition-exists="false" ipc-concordant="F16F15/134" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/13492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sets of springs being arranged at substantially the same radius</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/136" definition-exists="false" ipc-concordant="F16F15/136" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plastics springs, e.g. made of rubber </text><reference><text><class-ref scheme="cpc">F16F15/134</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F16F15/137</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/137" definition-exists="false" ipc-concordant="F16F15/137" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/137</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elastic members consisting of two or more springs of different kinds, </text><CPC-specific-text><text>e.g. elastomeric members and wound springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/139" definition-exists="false" ipc-concordant="F16F15/139" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/139</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by friction-damping means </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/13128</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1392" definition-exists="false" ipc-concordant="F16F15/139" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>F16F15/1392</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>characterised by arrangements for axially clamping or positioning or otherwise influencing the frictional plates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1395" definition-exists="false" ipc-concordant="F16F15/139" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1395</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by main friction means acting radially outside the circumferential lines of action of the elastic members</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1397" definition-exists="false" ipc-concordant="F16F15/139" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1397</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Overload protection, i.e. means for limiting torque</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/14" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>F16F15/14</classification-symbol><class-title date-revised="2017-01-01"><title-part><text>using masses freely rotating with the system, </text><CPC-specific-text><text>i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers </text><reference><text>compensation of inertia forces <class-ref scheme="cpc">F16F15/22</class-ref>; weights for balancing rotating bodies <class-ref scheme="cpc">F16F15/32</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1407" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the rotation being limited with respect to the driving means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1414" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Masses driven by elastic elements </text><reference><text><class-ref scheme="cpc">F16F15/145</class-ref>, <class-ref scheme="cpc">F16F15/1464</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1421" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metallic springs, e.g. coil or spiral springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/1428" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a single mass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1435" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Elastomeric springs, i.e. made of plastic or rubber</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F16F15/1442" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a single mass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/145" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Masses mounted with play with respect to driving means thus enabling free movement over a limited range</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1457" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1457</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Systems with a single mass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1464" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Masses connected to driveline by a kinematic mechanism or gear system </text><reference><text><class-ref scheme="cpc">F16F15/145</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1471" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1471</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a kinematic mechanism, i.e. linkages, levers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F16F15/1478" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1478</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a planetary gear system</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/1485" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the rotation being unlimited with respect to driving means </text><reference><text>with a fluid connection between inertia member and rotating driving means <class-ref scheme="cpc">F16F15/167</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/1492" definition-exists="false" ipc-concordant="F16F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/1492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a dry-friction connection</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/16" definition-exists="false" ipc-concordant="F16F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a fluid </text><CPC-specific-text><text>or pasty material</text></CPC-specific-text><reference><text><class-ref scheme="cpc">F16F9/53</class-ref>, <class-ref scheme="cpc">F16F15/13157</class-ref> take precedence; devices connecting input and output members <class-ref scheme="cpc">F16D</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/161" definition-exists="false" ipc-concordant="F16F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the fluid damping devices, e.g. passages, orifices </text><reference><text><class-ref scheme="cpc">F16F15/162</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/162" definition-exists="false" ipc-concordant="F16F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with forced fluid circulation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/163" definition-exists="false" ipc-concordant="F16F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>fluid acting as a lubricant</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/164" definition-exists="false" ipc-concordant="F16F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by manufacturing, e.g. assembling or testing procedures</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/165" definition-exists="false" ipc-concordant="F16F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealing arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/167" definition-exists="false" ipc-concordant="F16F15/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having an inertia member, e.g. ring</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/173" definition-exists="false" ipc-concordant="F16F15/173" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/173</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>provided within a closed housing </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/36</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/18" definition-exists="false" ipc-concordant="F16F15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric, </text><CPC-specific-text><text>magnetic or electromagnetic</text></CPC-specific-text><text> means </text><reference><CPC-specific-text><text>suppression of vibrations of rotating systems by use of non-rotating magnetic or electromagnetic means <class-ref scheme="cpc">F16F15/03</class-ref>;</text></CPC-specific-text><text> dynamo-electric devices <class-ref scheme="cpc">H02K</class-ref>; </text><CPC-specific-text><text>control effected upon generator excitation circuit to reduce harmful effects of overloads or transients <class-ref scheme="cpc">H02P9/10</class-ref></text></CPC-specific-text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/20" definition-exists="false" ipc-concordant="F16F15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suppression of vibrations of rotating systems by favourable grouping or relative arrangements of the moving members of the system or systems </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F16F15/24</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/22" definition-exists="false" ipc-concordant="F16F15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compensation of inertia forces </text><CPC-specific-text><reference><text>suppression of vibrations of rotating systems by favourable grouping or relative arrangements of the moving members of the system or systems <class-ref scheme="cpc">F16F15/20</class-ref>, counterweights <class-ref scheme="cpc">F16F15/28</class-ref>; correcting-weights for balancing rotating bodies <class-ref scheme="cpc">F16F15/32</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/223" definition-exists="false" ipc-concordant="F16F15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of systems involving rotary unbalanced masses where the phase-angle of masses mounted on counter-rotating shafts can be varied </text><reference><text>generation of mechanical vibrations <u>per se</u> with such systems <class-ref scheme="cpc">B06B1/166</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/226" definition-exists="false" ipc-concordant="F16F15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in star engine arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/24" definition-exists="false" ipc-concordant="F16F15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of crankshaft systems by particular disposition of cranks, pistons, or the like </text><CPC-specific-text><reference><text>shape of crankshafts or eccentric-shafts having regard to balancing <class-ref scheme="cpc">F16C3/20</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/26" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F15/26</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system </text><CPC-specific-text><text>, i.e. masses connected through a kinematic mechanism or gear system </text><reference><text><class-ref scheme="cpc">F16F15/226</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/261" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where masses move linearly</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/262" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F16F15/262</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>Masses attached to pinions, camshafts or driving shafts for auxiliary equipment, e.g. for an oil pump</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/264" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotating balancer shafts </text><reference><text><class-ref scheme="cpc">F16F15/262</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/265" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of two or more balancer shafts </text><reference><text><class-ref scheme="cpc">F16F15/267</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/267" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/267</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by bearing support of balancer shafts; Lubrication arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F16F15/268" definition-exists="false" ipc-concordant="F16F15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow shafts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/28" definition-exists="false" ipc-concordant="F16F15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Counterweights, </text><CPC-specific-text><text>i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft </text><reference><text>rotating balancer shafts <class-ref scheme="cpc">F16F15/264</class-ref>; correcting-weights for balancing rotating bodies <class-ref scheme="cpc">F16F15/32</class-ref></text></reference></CPC-specific-text></title-part><title-part><text>Attaching or mounting same</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/283" definition-exists="false" ipc-concordant="F16F15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for engine crankshafts</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/286" definition-exists="false" ipc-concordant="F16F15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjustable weights</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/30" definition-exists="false" ipc-concordant="F16F15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flywheels </text><reference><text><class-ref scheme="cpc">F16F15/16</class-ref>, <class-ref scheme="cpc">F16F15/28</class-ref> take precedence; suppression of vibrations in rotating systems using elastic members or friction-damping members moving with the system, </text><CPC-specific-text><text>i.e. split flywheels or single masses connected to a hub by elastic members or friction-damping members</text></CPC-specific-text><text> <class-ref scheme="cpc">F16F15/12</class-ref>; rotary-body aspects in general <class-ref scheme="cpc">F16C13/00</class-ref>, <class-ref scheme="cpc">F16C15/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/302" definition-exists="false" ipc-concordant="F16F15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising arrangements for cooling or thermal insulation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/305" definition-exists="false" ipc-concordant="F16F15/305" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of plastics, e.g. fibre-reinforced plastics [FRP], </text><CPC-specific-text><text>i.e. characterised by their special construction from such materials</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/31" definition-exists="false" ipc-concordant="F16F15/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by means for varying the moment of inertia</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/315" definition-exists="false" ipc-concordant="F16F15/315" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/315</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft </text><reference><text><class-ref scheme="cpc">F16F15/31</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/3153" definition-exists="false" ipc-concordant="F16F15/315" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/3153</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Securing inertia members to the shafts</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/3156" definition-exists="false" ipc-concordant="F16F15/315" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/3156</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of the bearings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F16F15/32" definition-exists="false" ipc-concordant="F16F15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels </text><CPC-specific-text><reference><text>suppression of vibrations in rotating systems by using freely rotating masses <class-ref scheme="cpc">F16F15/14</class-ref>; compensation of inertia forces <class-ref scheme="cpc">F16F15/22</class-ref>; compensating unbalance for testing purposes <class-ref scheme="cpc">G01M1/30</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/322" definition-exists="false" ipc-concordant="F16F15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the rotating body being a shaft </text><reference><text><class-ref scheme="cpc">F16F15/34</class-ref>, <class-ref scheme="cpc">F16F15/36</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/324" definition-exists="false" ipc-concordant="F16F15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the rotating body being a vehicle wheel </text><reference><text><class-ref scheme="cpc">F16F15/36</class-ref> takes precedence; tyre parts or constructions not otherwise provided for <class-ref scheme="cpc">B60C19/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/326" definition-exists="false" ipc-concordant="F16F15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for attachment to spokes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/328" definition-exists="false" ipc-concordant="F16F15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple weights on adhesive strip</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/34" definition-exists="false" ipc-concordant="F16F15/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fastening arrangements therefor</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Hand held gripping tools <class-ref scheme="cpc">B25B7/00</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/345" definition-exists="false" ipc-concordant="F16F15/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F16F15/345</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>specially adapted for attachment to a vehicle wheel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F16F15/36" definition-exists="false" ipc-concordant="F16F15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F15/36</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>operating automatically </text><CPC-specific-text><text>, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved </text><reference><text>damping vibrations of washing machines by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets <class-ref scheme="cpc">D06F37/245</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/363" definition-exists="false" ipc-concordant="F16F15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rolling bodies, e.g. balls free to move in a circumferential direction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F16F15/366" definition-exists="false" ipc-concordant="F16F15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F15/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using fluid or powder means, i.e. non-discrete material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F16F222/00" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F222/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special physical effects, e.g. nature of damping effects</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>temperature-related </text><reference><text><class-ref scheme="cpc">F16F2228/002</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F222/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Friction</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic or electromagnetic</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inertia</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adhesion</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid damping</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F222/123" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>decreasing with increasing flow</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F222/126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gases</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F222/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2222/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>superconducting</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F224/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials</text></title-part><title-part><text>Material properties</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F224/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combined materials of same basic nature but differing characteristics</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F224/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>solids</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>bimetallic</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0225" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F16F2224/0225</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Cellular, e.g. microcellular foam</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0233" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>deforming plastically in operation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0241" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre-reinforced plastics [FRP]</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elastomers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0258" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0258</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape-memory metals, e.g. Ni-Ti alloys</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0266" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>porosity</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0275" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ceramics</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>piezoelectric</text></title-part><title-part><text>electro- or magnetostrictive</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/0291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>PTFE</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F224/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluids</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dilatant</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/043" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electrorheological</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>magnetorheological</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pneumatic</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F224/048" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2224/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>High viscosity, semi-solid pastiness </text><reference><text><class-ref scheme="cpc">F16F2224/041</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F226/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacturing</text></title-part><title-part><text>Treatments</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F226/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface treatments</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by laser or similar treatment by rays</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>low-friction</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F226/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Assembly or fixing methods</text></title-part><title-part><text>methods to form or fashion parts</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clipping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/042" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gluing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/044" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Snapping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Press-fitting</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/047" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sheet-metal stamping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F226/048" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2226/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Welding</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F228/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Functional characteristics, e.g. variability, frequency-dependence</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific functional characteristics in numerical form or in the form of equations</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F228/002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F228/004" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Force or pressure</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F228/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Material properties, e.g. moduli</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F16F228/007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of solids, e.g. hardness</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F16F228/008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of semi-solids or fluids, e.g. viscosity</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Frequency effects</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stiffness</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F228/063" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Negative stiffness</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F228/066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Variable stiffness</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pre-stressed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with threshold or dead zone</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>degressive</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F228/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2228/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>progressive</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F230/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Purpose</text></title-part><title-part><text>Design features</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Attachment, e.g. to facilitate mounting onto confer adjustability</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0011" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Balancing, e.g. counterbalancing to produce static balance</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0017" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Calibrating</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>protective</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0029" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Location, co-location</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0035" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gripping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Locking</text></title-part><title-part><text>Fixing in position</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0047" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring, indicating</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0052" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physically guiding or influencing</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/0058" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using inserts or exterior elements, e.g. to affect stiffness</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/0064" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a cam</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with, or used as an end stop or buffer</text></title-part><title-part><text>Limiting excessive axial separation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/0076" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pivoting</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0082" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0082</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dimensional tolerances, e.g. play between mechanical elements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0088" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Timing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/0094" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnifying a physical effect</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface features, e.g. notches or protuberances</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lubrication</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid filling or discharging</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sensor arrangement</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Enclosure elements, e.g. for protection</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/105" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flexible, e.g. bellows or bladder</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas generation, e.g. by mixing of chemicals</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ball joints</text></title-part><title-part><text>Spherical support elements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used in a strut, basically rigid</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control arrangements</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/183" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fluid actuated</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F230/186" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with manual adjustments</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Location of equilibration chamber</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Detecting or preventing malfunction, e.g. fail safe</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air gap</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inclination of a suspension element</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sealing arrangements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Modular design</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flexural hinges</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Holes, slots or the like</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/38" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Off-centre positioning</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-layer</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple pistons</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Maintenance</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F230/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2230/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermal insulation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F232/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2232/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nature of movement</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F232/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2232/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F232/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2232/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary-to-translation conversion</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F232/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2232/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Translation-to-rotary conversion</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F232/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2232/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F234/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2234/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F234/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2234/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cylindrical</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F234/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2234/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>conical</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F234/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2234/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>plane or flat</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F234/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2234/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>spherical</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F236/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mode of stressing of basic spring or damper elements or devices incorporating such elements</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F236/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the stressing resulting in flexion of the spring</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of membrane-type springs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>radial flexion of ring-type springs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of strip- or leg-type springs</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F236/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compression</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the spring material being generally enclosed</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F236/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tension</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F236/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Torsion</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/085" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the spring being annular</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F236/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shear</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/103" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>linear</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rotational</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F236/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded in combined stresses</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F236/123" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>loaded in compression and shear</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F16F236/126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2236/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Neidhart-type rubber springs</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F16F238/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type of springs or dampers</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F238/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Springs</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F238/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>leaf-like, e.g. of thin, planar-like metal</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F238/024" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>torsional</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F238/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wound- or coil-like</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F16F238/028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Winding direction thereof</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F16F238/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Damper</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F16F238/045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F16F2238/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lead shear damper</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |