B25DPERCUSSIVE TOOLS percussive machines for forging B21J; hand-held drilling machines, in general B23B45/00, for wood B27C3/08; drilling machines, used for mining or quarrying, with reciprocating tool which is turned intermittently when out of contact with the working face E21B1/00The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: B25D13/00 covered by B25D11/064B25D15/00 covered by B25D11/066B25D15/02 covered by B25D11/068B25D17/10 covered by B25D17/00 B25D17/14 covered by B23Q11/0042B25D17/16 covered by B23Q11/0042B25D17/18 covered by B23Q11/0042In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B25D1/00 B25D1/00Hand hammers handles therefor B25G1/00; attachment of handles to the hammer head B25G3/00Hammer heads of special shape or materials B25D1/005with nail feeding devices B25D1/02Inserts or attachments forming the striking part of hammer heads B25D1/08 - B25D1/14 take precedence B25D1/04with provision for withdrawing or holding nails or spikes B25D1/045with fulcrum member for extracting long nails B25D1/06Magnetic holders B25D1/08having deformable heads B25D1/12 takes precedence B25D1/10having work protector surrounding faces B25D1/12 takes precedence B25D1/12having shock-absorbing means B25D1/14having plural striking faces B25D1/16having the impacting head in the form of a sleeve slidable on a shaft, e.g. hammers for driving a valve or draw-off tube into a barrel B25D3/00Hand chisels B25D5/00Centre punches B25D5/02Automatic centre punches B25D7/00Picks combined with other tools B25F B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously portable non-percussive drilling tools driven by fluid pressure or pneumatic power B23B45/04 B25D9/005Devices for testing the tool's performance B25D9/02of the tool-carrier piston type, i.e. in which the tool is connected to an impulse member B25D9/04of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member B25D9/06Means for driving the impulse member B25D9/08comprising a built-in air compressor , i.e. the tool being driven by air pressure B25D9/10comprising a built-in internal-combustion engine B25D9/11operated by combustion pressure generated by detonation of a cartridge B25D9/12comprising a built-in liquid motor , i.e. the tool being driven by hydraulic pressure B25D9/125driven directly by liquid pressure working with pulses B25D9/14Control devices for the reciprocating piston B25D9/145for hydraulically actuated hammers having an accumulator B25D9/16Valve arrangements therefor B25D9/145 takes precedence B25D9/18involving a piston-type slide valve B25D9/20involving a tubular-type slide valve B25D9/22involving a rotary-type slide valve B25D9/24involving a rocking-plate type valve B25D9/26Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof control systems adapted for earth drilling E21B44/00 B25D9/265with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance B25D11/00Portable percussive tools with electromotor or other motor drive B25D11/005Arrangements for adjusting the stroke of the impulse member or for stopping the impact action when the tool is lifted from the working surface B25D11/02in which the tool is connected to an impulse member B25D11/04in which the tool bit or anvil is hit by an impulse member B25D11/06Means for driving the impulse member B25D11/062comprising a wobbling mechanism, swash plate B25D11/064using an electromagnetic drive B25D11/066using centrifugal or rotary impact elements B25D11/068in which the tool bit or anvil is hit by a rotary impulse member B25D11/08comprising a worm mechanism , i.e. a continuous guide surface with steadily rising and falling incline B25D11/10comprising a cam mechanism B25D11/102the rotating axis of the cam member being coaxial with the axis of the tool B25D11/104with rollers or balls as cam surface B25D11/106cam member and cam follower having the same shape B25D11/104 takes precedence B25D11/108the rotation axis of the cam member being parallel but offset to the tool axis B25D11/12comprising a crank mechanism B25D11/125with a fluid cushion between the crank drive and the striking body B25D16/00Portable percussive machines with superimposed rotation , the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit combined percussion and rotary drilling adapted for earth drilling E21B6/00 B25D16/003Clutches specially adapted therefor B25D16/006Mode changers; Mechanisms connected thereto B25D17/00Details of, or accessories for, portable power-driven percussive tools details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F5/00 B25D17/005Attachments or adapters placed between tool and hammer B25D17/02Percussive tool bits drill bits for earth drilling E21B10/00 B25D17/04HandlesHandle mountings B25D17/043Handles resiliently mounted relative to the hammer housing B25D17/046 takes precedence B25D17/046Sleeve-like handles surrounding the tool bit B25D17/06Hammer pistonsAnvils ; Guide-sleeves for pistons B25D17/08Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit B25D17/005 takes precedence B25D17/082Retainers consisting of a swinging yoke or latching means B25D17/086 takes precedence B25D17/084Rotating chucks or sockets B25D17/086with a swinging yoke or latching means B25D17/088with radial movable locking elements co-operating with bit shafts specially adapted therefor B25D17/11Arrangements of noise-damping means noise damping in general G10K11/16 B25D17/12of exhaust silencers exhaust silencers in general F01N B25D17/20Devices for cleaning or cooling tool or work B25D17/22using pressure fluid B25D17/24Damping the reaction force resiliently mounted handles B25D17/043; dampers in connections of hammers to backhoes E02F3/966 B25D17/245using a fluid B25D17/26Lubricating in general F16N B25D17/265the lubricant being entrained to the machine parts by the driving fluid B25D17/28SupportsDevices for holding power-driven percussive tools in working position connections of hammers to backhoes E02F3/966 B25D17/30Pillars and struts B25D17/32Trolleys B25D2209/00 B25D2209/00Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously B25D2209/002Pressure accumulators B25D2209/005having a tubular-slide valve, which is coaxial with the piston B25D2209/007having a tubular-slide valve, which is not coaxial with the piston B25D2211/00Details of portable percussive tools with electromotor or other motor drive B25D2211/003Crossed drill and motor spindles B25D2211/006Parallel drill and motor spindles B25D2211/06Means for driving the impulse member B25D2211/061Swash-plate actuated impulse-driving mechanisms B25D2211/062Cam-actuated impulse-driving mechanisms B25D2211/064Axial cams, e.g. two camming surfaces coaxial with drill spindle B25D2211/065with ball-shaped or roll-shaped followers B25D2211/067wherein the cams are involved in a progressive mutual engagement with increasing pressure of the tool to the working surface B25D2211/068Crank-actuated impulse-driving mechanisms B25D2216/00Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit B25D2216/0007Details of percussion or rotation modes B25D2216/0015Tools having a percussion-only mode B25D2216/0023Tools having a percussion-and-rotation mode B25D2216/003comprising de-phasing of percussion and rotation B25D2216/0038Tools having a rotation-only mode B25D2216/0046Preventing rotation B25D2216/0053and percussion B25D2216/0061preventing reverse rotation B25D2216/0069Locking means B25D2216/0076Angular position of the chisel modifiable by hand B25D2216/0084Mode-changing mechanisms B25D2216/0092Tool comprising two or more collaborating mode-changing mechanisms B25D2217/00Details of, or accessories for, portable power-driven percussive tools B25D2217/0003Details of shafts of percussive tool bits B25D2217/0007Shaft ends B25D2217/0011Details of anvils, guide-sleeves or pistons B25D2217/0015Anvils B25D2217/0019Guide-sleeves B25D2217/0023Pistons B25D2217/0026Double pistons B25D2217/003Details relating to chucks with radially movable locking elements B25D2217/0034Details of shank profiles B25D2217/0038Locking members of special shape B25D2217/0042Ball-shaped locking members B25D2217/0046Conically-shaped locking members B25D2217/0049Roll-shaped locking members B25D2217/0053Devices for securing the tool retainer to the machine part B25D2217/0057Details related to cleaning or cooling the tool or workpiece B25D2217/0061related to cooling B25D2217/0065Use of dust covers B25D2217/0069Protecting chucks against entering of chip dust B25D2217/0073Arrangements for damping of the reaction force B25D2217/0076by use of counterweights B25D2217/008being electronically-driven B25D2217/0084being fluid-driven B25D2217/0088being mechanically-driven B25D2217/0092being spring-mounted B25D2217/0096Details of lubrication means B25D2222/00Materials of the tool or the workpiece B25D2222/03Ceramics B25D2222/06Composite materials B25D2222/09Diamond B25D2222/12Glass B25D2222/15Ice B25D2222/18Leather B25D2222/21Metals B25D2222/24Aluminium B25D2222/27Brass B25D2222/31Bronze B25D2222/33Copper B25D2222/36Lead B25D2222/39Mercury B25D2222/42Steel B25D2222/45Titanium B25D2222/48Zinc B25D2222/51Hard metals, e.g. tungsten carbide B25D2222/54Plastics B25D2222/57Elastomers, e.g. rubber B25D2222/61Polyamides, e.g. Nylon B25D2222/66Polypropylene B25D2222/69Foamed polymers, e.g. polyurethane foam B25D2222/72Stone, rock or concrete B25D2222/75Wood B25D2250/00General details of portable percussive toolsComponents used in portable percussive tools B25D2250/005Adjustable tool componentsAdjustable parameters B25D2250/011Bits, e.g. adjusting bits by setting in the desired angular position B25D2250/015Heads B25D2250/021Stroke length B25D2250/025Auxiliary percussive devices B25D2250/035Bleeding holes, e.g. in piston guide-sleeves B25D2250/041Cable management or routing of electrical cables and wires B25D2250/045Cams used in percussive tools B25D2250/051Couplings, e.g. special connections between components B25D2250/055Depth properties, e.g. tools having depth indicator or depth control B25D2250/065Details regarding assembling of the tool B25D2250/071Assembled by brazing B25D2250/075Assembled by welding B25D2250/085Elastic behaviour of tool components B25D2250/091Electrically-powered tool components B25D2250/095Electric motors B25D2250/101Emitting warning signals, e.g. visual or sound B25D2250/105Exchangeable tool components B25D2250/111Bits, i.e. inserts or attachments for hammer, chisel, pick B25D2250/115Foldable parts of the tool, e.g. in order to reduce its size B25D2250/121Housing details B25D2250/125Hydraulic tool components B25D2250/131Idling mode of tools B25D2250/141Magnetic parts used in percussive tools B25D2250/145Electro-magnetic parts B25D2250/155Marks, e.g. identification marks, indication scales, visualising means B25D2250/161Indication scales B25D2250/165Overload clutches, torque limiters B25D2250/171Percussive pulling action of tools for extraction of elements B25D2250/175Phase shift of tool components B25D2250/181Pneumatic tool components B25D2250/185Pressure equalising means between sealed chambers B25D2250/191Ram catchers for stopping the ram when entering idling mode B25D2250/195Regulation means B25D2250/201for speed, e.g. drilling or percussion speed B25D2250/205for torque B25D2250/211Cross-sections of the tool B25D2250/215Narrowing cross-sections B25D2250/221Sensors B25D2250/225Serrations B25D2250/231Sleeve details B25D2250/235Sleeve couplings B25D2250/241Sliding impact heads, i.e. impact heads sliding inside a rod or around a shaft B25D2250/245Spatial arrangement of components of the tool relative to each other B25D2250/255Switches B25D2250/261Means for locking an operative switch on B25D2250/265Trigger mechanism in handle B25D2250/271Tools for breaking windows B25D2250/275Tools having at least two similar components B25D2250/281Double motors B25D2250/285Tools having three or more similar components, e.g. three motors B25D2250/291Tools having three or more parallel bits, e.g. needle guns B25D2250/295Tools used in automobiles or automobile manufacture B25D2250/301Torque transmission means B25D2250/305Twisted part of a chisel or percussive non-drilling tool bit B25D2250/311Ultrasonic percussion means B25D2250/315Use of adhesives B25D2250/321Use of balls B25D2250/325Use of bayonets B25D2250/331Use of bearings B25D2250/335Supports therefor B25D2250/341Use of external compressors B25D2250/345Use of o-rings B25D2250/351Use of pins B25D2250/355Use of rolls B25D2250/361Use of screws or threaded connections B25D2250/365Use of seals B25D2250/371Use of springs B25D2250/375Fluid springs B25D2250/381Leaf springs B25D2250/385Use of thrust-washers, e.g. for limiting the course of the impulse member B25D2250/391Use of weightsWeight properties of the tool