E02FDREDGINGSOIL-SHIFTING winning peat E21C49/00This subclass covers : primarily equipment for excavating or loosening earth or for moving loose earth; equipment for working similarly on other materials and similar equipment for loading or unloading materialsThe following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: E02F3/39 covered by E02F3/286, E02F3/306, E02F3/3402E02F3/85 covered by E02F3/841, E02F3/842, E02F3/844, E02F3/845, E02F3/847In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. E02F1/00 E02F1/00General working methods with dredgers or soil-shifting machines methods for making embankments E02D17/18; methods for mining E21C E02F3/00DredgersSoil-shifting machines for special purposes E02F5/00; other machines or apparatus for mining E21C; tunnelling E21D E02F3/02hand-operated ; handheld soil shifting equipment acting by sucking E02F3/8891 spades or rakes for agriculture or gardening purposes A01B E02F3/04mechanically-driven E02F3/045with oscillating digging tools, e.g. oscillating spades E02F3/06with digging screws earth drilling E21; for digging trenches or ditches E02F5/04 E02F3/08with digging elements on an endless chain conveyors B65G E02F3/081mounted on floating substructures floating substructures per se E02F9/06 E02F3/082including a belt-type conveyor for transporting the excavated material E02F3/083including a screw-type conveyor for transporting the excavated material E02F3/085with auxiliary or additional digging elements other than digging elements on an endless chain E02F3/086vertically shiftable relative to the frame E02F3/087with digging unit working in a plane inclined to the direction of travel E02F3/088pivotable relative to the frame E02F3/10with tools that only loosen the material , i.e. with cutter-type chains E02F3/12Component parts , e.g. bucket troughs E02F3/14BucketsChainsGuides for buckets or chainsDrives for chains E02F3/141buckets E02F3/142tools mounted on buckets or chains which loosen the soil, e.g. cutting wheels, or the like teeth per se E02F9/28 E02F3/143chains; chain links; scraper chains chains or chain guides E21C25/28 E02F3/144emptying or cleaning the buckets, e.g. in combination with spoil removing equipment E02F3/145drives E02F3/146guides for chains or buckets, e.g. for buckets movable relative to chains chains or chain guides E21C25/28 E02F3/147arrangements for the co-operation between buckets or buckets and wheels E02F3/148wheels, sprokets E02F3/16Safety or control devices safety devices in general F16P; controlling in general G05 E02F3/18with digging wheels turning round an axis , e.g. bucket-type wheels for digging trenches E02F5/08; for laying cables underwater E02F5/109; cutting machines E21C25/00; methods or apparatus for making tunnels or galleries E21D9/00 E02F3/181including a conveyor E02F3/183with digging unit shiftable relative to the frame E02F3/185with digging unit mounted in a plane which is inclined to the direction of travel; with tools digging laterally with respect to the frame E02F3/186with the axis being substantially parallel to the direction of travel E02F3/188with the axis being horizontal and transverse to the direction of travel E02F3/20with tools that only loosen the material , i.e. mill-type wheels E02F3/205with a pair of digging wheels, e.g. slotting machines implements for making foundation slots with definition of the walls or foundations E02D17/13; bulkheads or similar walls made solely of concrete in situ E02D5/18; with a pair of buckets E02F3/475 E02F3/22Component parts E02F3/24Digging wheelsDigging elements of wheelsDrives for wheels E02F3/241digging wheels E02F3/243wheels rotatable in both directions E02F3/245with digging elements mounted movable relative to the wheel E02F3/246drives E02F3/248Cleaning the wheels or emptying the digging elements mounted on the wheels, e.g. in combination with spoil removing equipment E02F3/26Safety or control devices safety devices in general F16P; controlling in general G05B E02F3/28with digging tools mounted on a dipper- or bucket-arm , i.e. there is either one arm or a pair of arms, e.g. dippers, buckets E02F3/283with a single arm pivoted directly on the chassis linkage mechanism for it E02F3/3405 E02F3/286telescopic or slidable fork-lift trucks with a telescopic boom B66F9/0655 E02F3/30with a dipper-arm pivoted on a cantilever beam , i.e. boom E02F3/301with more than two arms (boom included), e.g. two-part boom with additional dipper-arm E02F3/302with an additional link E02F3/303with the dipper-arm or boom rotatable about its longitudinal axis E02F3/304with the dipper-arm slidably mounted on the boom E02F3/305 takes precedence E02F3/305with the dipper-arm slidably mounted on the boom and the boom slidably mounted on the frame E02F3/306with telescopic dipper-arm or boom E02F3/307the boom and the dipper-arm being connected so as to permit relative movement in more than one plane E02F3/308working outwardly E02F3/32working downwardly and towards the machine, e.g. with backhoes E02F3/325Backhoes of the miniature type E02F3/34with bucket-arms , i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms with a single arm E02F3/283 directly pivoted on the frames of tractors or self-propelled machines E02F3/3402the arms being telescopic fork-lift trucks with a telescopic boom B66F9/0655 E02F3/3405and comprising an additional linkage mechanism E02F3/3408of the parallelogram-type E02F3/3411of the Z-type E02F3/3414the arms being pivoted at the rear of the vehicle chassis, e.g. skid steer loader E02F3/3417Buckets emptying by tilting E02F3/342, E02F3/345 take precedence E02F3/342Buckets emptying overhead E02F3/348 - E02F3/358 take precedence E02F3/345Buckets emptying side-ways E02F3/348 - E02F3/358 take precedence E02F3/348Buckets emptying into a collecting or conveying device E02F3/3483Buckets discharging on a conveyor or elevator mounted on the machine E02F3/3486Buckets discharging overhead into a container mounted on the machine E02F3/352Buckets movable along a fixed guide E02F3/355Buckets connected to the rear end of a tractor not used E02F3/358Bucket-arms pivoted on a turntable being part of a tractor frame or buckets arranged on a turntable supported by the arms E02F3/36Component parts E02F3/3604Devices to connect tools to arms, booms or the like E02F3/3609of the quick acting type, e.g. controlled from the operator seat quick-acting couplers to connect booms or arms to tractors E02F3/627; quick-acting couplers for machines mounted on tractor A01B59/06; couplings of the quick-acting type per se F16L37/00 E02F3/3613with means for absorbing any play therebetween E02F3/364 takes precedence E02F3/3618with two separating hooks E02F3/3622with a hook and a locking element acting on a pin E02F3/3627with a hook and a longitudinal locking element E02F3/3631with a hook and a transversal locking element E02F3/3636using two or four movable transversal pins E02F3/364using wedges E02F3/3645with auto-engagement means for automatic snap-on of the tool coupler part E02F3/365with redundant latching means, e.g. for safety purposes E02F3/3654with energy coupler, e.g. coupler for hydraulic or electric lines, to provide energy to drive(s) mounted on the tool E02F3/3659electrically-operated E02F3/3663hydraulically-operated E02F3/3668where engagement is effected by a mechanical lever or handle E02F3/3672where disengagement is effected by a mechanical lever or handle E02F3/3677allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets E02F3/3681Rotators E02F3/3686using adapters, i.e. additional element to mount between the coupler and the tool E02F3/369Devices to connect parts of a boom or an arm devices to connect booms or arms to tractors E02F3/627 E02F3/3695Arrangements for connecting dipper-arms to loaders or graders E02F3/38Cantilever beams , i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms for booms with cable suspension arrangements E02F9/14 takes precedenceDipper-arms , e.g. manufacturing processes, forms, geometry or materials used for dipper-armsBucket-arms E02F3/34 takes precedence E02F3/382Connections to the frame; Supports for booms or arms devices to connect booms or arms to tractors or similar machines E02F3/627; pivot joint assemblies in particular E02F9/006 E02F3/384the boom being pivotable relative to the frame about a vertical axis E02F3/386the boom being laterally shiftable relative to the frame E02F3/388Mechanical locking means for booms or arms against rotation, e.g. during transport of the machine transporting-cranes B66C23/344 E02F3/40DippersBuckets Grab device, e.g. manufacturing processes for buckets, form, geometry, material of buckets devices to connect tools to arms or booms E02F3/3604; teeth therefor E02F9/28 E02F3/401Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload E02F3/402with means for facilitating the loading thereof, e.g. conveyors E02F3/404comprising two parts movable relative to each other, e.g. for gripping E02F3/405using vibrating means blades or levelling tools with vibrating teeth E02F3/8155; vibrating rippers E02F5/326 E02F3/407with ejecting or other unloading device E02F3/4075Dump doors; Control thereof E02F3/413with grabbing device E02F3/404 takes precedence; with grab buckets moved by cables or hoisting ropes E02F3/47; grab equipment for cranes B66C E02F3/4131mounted on a floating substructure floating substructures per se E02F9/06 E02F3/4133grabs carried out as loaders or mounted on a tractor E02F3/4135with grabs mounted directly on a boom E02F3/4136with grabs mounted on a slidable or telescopic boom or arm E02F3/4138the grab being emptied by flushing E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms E02F3/422Drive systems for bucket-arms, front-end loaders, dumpers or the like E02F3/425Drive systems for dipper-arms, backhoes or the like E02F3/427with mechanical drives by cables or hoisting ropes E02F3/46 take precedence E02F3/43Control of dipper or bucket positionControl of sequence of drive operations E02F3/431for bucket-arms, front-end loaders, dumpers or the like E02F3/432for keeping the bucket in a predetermined position or attitude E02F3/433horizontal, e.g. self-levelling E02F3/434providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig E02F3/435for dipper-arms, backhoes or the like E02F3/436for keeping the dipper in the horizontal position, e.g. self-levelling E02F3/437providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant E02F3/438Memorising movements for repetition, e.g. play-back capability E02F3/439Automatic repositioning of the implement, e.g. automatic dumping, auto-return E02F3/438 takes precedence E02F3/46with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor E02F3/205, E02F3/905 take precedence E02F3/47with grab buckets grab equipment for cranes B66C E02F3/475for making foundation slots slotting machines with a pair of digging wheels E02F3/205 E02F3/48Drag-lines E02F3/50with buckets or other digging elements moved along a rigid guideway E02F3/52Cableway excavators cable cranes B66C E02F3/54Cable scrapers E02F3/48, E02F3/52 take precedence E02F3/56with hand-controlled scraper or other digging elements E02F3/58Component parts E02F9/14, E02F3/905 take precedence E02F3/60Buckets, scrapers, or other digging elements E02F3/627Devices to connect beams or arms to tractors or similar self-propelled machines, e.g. drives therefor connection of beams or booms or arms to the frame per se E02F3/382; connection of scraper bowls to the vehicle main body E02F3/653; connecting devices for agriculture tractors A01B59/06 E02F3/6273using legs to support the beams or arms on the ground during the connecting process E02F3/6276on one side of the frame E02F3/633Drives therefor not used, see E02F3/627 E02F3/64Buckets cars, i.e. having scraper bowls for cable scrapers E02F3/54 takes precedence; soil working machines in agriculture A01B E02F3/6409Self-propelled scrapers E02F3/6418with rotatable scraper bowls for dumping the soil with only elements of the scraper bowls being pivotable E02F3/6427 E02F3/6427with elements of the scraper bowls being pivotable for dumping the soil E02F3/6445 take precedence; with an ejector having translational movement E02F3/6436 E02F3/6436with scraper bowls with an ejector having translational movement for dumping the soil E02F3/6445 takes precedence E02F3/6445with conveying means for emptying the scraper bowl E02F3/6454Towed (i.e. pulled or pushed) scrapers E02F3/6463with rotatable scraper bowls for dumping the soil with only elements of the scraper bowls being pivotable E02F3/6472 E02F3/6472with elements of the scraper bowls being pivotable for dumping the soil E02F3/649 takes precedence; with an ejector having translational movement E02F3/6481 E02F3/6481with scraper bowls with an ejector having translational movement for dumping the soil E02F3/649 takes precedence E02F3/649with conveying means for emptying the scraper bowl E02F3/65Component parts, e.g. drives, control devices E02F3/651Hydraulic or pneumatic drives; Electric or electro-mechanical control devices E02F3/652, E02F3/653 take precedence E02F3/652Means to adjust the height of the scraper bowls, e.g. suspension means, tilt control, earth damping control E02F3/653Connection mechanisms to the main body of the machine connection of tools to dipper-arms, booms, bucket-arms E02F3/3604; connection of beams or booms or arms to tractors in general E02F3/627 E02F3/654Scraper bowls and components mounted on them E02F3/655Loading or elevator mechanisms loading devices for excavators in general E02F7/04 E02F3/656Ejector or dumping mechanisms for buckets mounted on a dipper-arm or bucket arms E02F3/407 E02F3/657Means to prevent the spilling of dredged material, e.g. apron, baffle E02F3/658Cutting edge for graders or bulldozer blades E02F3/8152, E02F3/8155; teeth per se E02F9/28 E02F3/659Conveying means for emptying scraper bowls conveying equipment for excavators in general E02F7/02 E02F3/76Graders, bulldozers, or the like with scraper plates or ploughshare-like elements soil-working A01BLevelling scarifying devices street cleaning E01H; construction of roads E01C19/00, E01C23/00 E02F3/7604Combinations of scraper blades with soil loosening tools working independently of scraper blades soil loosening attachments fixed on blades E02F3/8152, E02F3/8155 E02F3/7609Scraper blade mounted forwardly of the tractor on a pair of pivoting arms which are linked to the sides of the tractor, e.g. bulldozers E02F3/7613with the scraper blade adjustable relative to the pivoting arms about a vertical axis, e.g. angle dozers E02F3/7618with the scraper blade adjustable relative to the pivoting arms about a horizontal axis E02F3/7622Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers E02F3/7627with the scraper blade adjustable relative to the frame about a vertical axis E02F3/7631with the scraper blade adjustable relative to the frame about a horizontal axis E02F3/7636Graders with the scraper blade mounted under the tractor chassis E02F3/764with the scraper blade being pivotable about a vertical axis E02F3/7645with the scraper blade being pivotable about a horizontal axis disposed parallel to the blade E02F3/765with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade E02F3/7654with the scraper blade being horizontally movable into a position near the chassis E02F3/7659with the vertical centre-line of the scraper blade disposed laterally relative to the central axis of the chassis E02F3/7663Graders with the scraper blade mounted under a frame supported by wheels, or the like E02F3/7668with the scraper blade being pivotable about a vertical axis E02F3/7672with the scraper blade being pivotable about a horizontal axis disposed parallel to the blade E02F3/7677with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade E02F3/7681with the scraper blade being horizontally movable into a position near the frame E02F3/7686with the vertical centre-line of the scraper blade disposed laterally relative to the central axis of the frame E02F3/769Graders, bulldozers, or the like comprising loaders E02F3/7695Graders, bulldozers or the like comprising elevators or conveyors E02F3/78with rotating digging elements E02F3/783having a horizontal axis of rotation E02F3/786having a vertical axis of rotation E02F3/80Component parts E02F3/815BladesLevelling or scarifying tools E02F3/40 takes precedence E02F3/8152Attachments therefor, e.g. wear resisting parts, cutting edges E02F3/8155, E02F3/8157 take precedence; teeth per se E02F9/28 E02F3/8155provided with movable parts, e.g. cutting discs, vibrating teeth or the like E02F3/8157Shock absorbers; Supports, e.g. skids, rollers; Devices for compensating wear-and-tear, or the like E02F3/84Drives or control devices therefor , e.g. hydraulic drive systems E02F3/841Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine construction of roads E01C19/008 E02F3/842using electromagnetic, optical or photoelectric beams, e.g. laser beams E02F3/844for positioning the blade, e.g. hydraulically E02F3/845using mechanical sensors to determine the blade position, e.g. inclinometers, gyroscopes, pendulums E02F3/847using electromagnetic, optical or acoustic beams to determine the blade position, e.g. laser beams E02F3/848using cable drums E02F3/88with arrangements acting by a sucking or forcing effect, e.g. suction dredgers pumps in general F04 E02F3/8808Stationary installations, e.g. installations using spuds or other stationary supports spuds on floating substructures per se E02F9/062; cleaning the beds of waterways E02B3/02 E02F3/8816Mobile land installations E02F3/8825wherein at least a part of the soil-shifting equipment is mounted on a dipper-arm, backhoes or the like E02F3/8833Floating installations floating substructures per se E02F9/06 E02F3/8841wherein at least a part of the soil-shifting equipment is mounted on a ladder or boom E02F3/885self propelled, e.g. ship E02F3/8858Submerged units self propelled units for burying conduits or cables in trenches under water E02F5/105 E02F3/8866self propelled E02F3/8875pulled or pushed E02F3/8883Using the force of explosions, e.g. by the use of internal combustion engines E02F3/8891wherein at least a part of the soil-shifting equipment is handheld E02F3/90Component parts , e.g. arrangement or adaptation of pumps E02F3/902for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe E02F3/905Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes for heave compensation E02F9/067 takes precedence; pipelines per se E02F7/10; joints for pipes in general F16L E02F3/907Measuring or control devices, e.g. control units, detection means or sensors E02F3/902 takes precedence E02F3/92Digging elements, e.g. suction heads E02F3/9206Digging devices using blowing effect only, like jets or propellers E02F5/107 takes precedence; passive suction heads with jets E02F3/925; active suction heads with jets E02F3/9262; drilling by jets E21B7/18; slitting by jets E21C25/60 E02F3/9212Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel E02F3/9287 takes precedence; active suction heads E02F3/9256 E02F3/9218with jets E02F3/9225with rotating cutting elements E02F3/9231Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe E02F3/9237Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe E02F3/9243Passive suction heads with no mechanical cutting means E02F5/108 takes precedence E02F3/925with jets E02F3/9256Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head E02F5/108 takes precedence E02F3/9262with jets E02F3/9268with rotating cutting elements E02F3/9275with axis of rotation parallel to longitudinal axis of the suction pipe E02F3/9281with axis of rotation in horizontal and transverse direction of the suction pipe E02F3/9287Vibrating suction heads E02F3/9293Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like E02F3/94Apparatus for separating stones from the dredged material , i.e. separating or treating dredged material screening plants mounted on dredger therefor E02F7/06 E02F3/945for environmental purposes E02F3/96with arrangements for alternate or simultaneous use of different digging elements E02F3/7604, E02F3/769, E02F3/78 take precedence; quick-acting devices to connect tools to arms or booms E02F3/3609, for arms to tractors or the like E02F3/627 E02F3/961with several digging elements or tools mounted on one machine for backhoes E02F3/964 takes precedence E02F3/962Mounting of implements directly on tools already attached to the machine E02F3/404 and E02F3/8152 take precedence E02F3/963Arrangements on backhoes for alternate use of different tools backhoes per se E02F3/30; quick-acting devices to connect tools to arms E02F3/3609, for arms to tractors or the like E02F3/627 E02F3/964of several tools mounted on one machine E02F3/962 takes precedence E02F3/965of metal-cutting or concrete-crushing implements shearing devices B23D17/00; wrecking of buildings, e.g. tools therefor, E04G23/08 E02F3/966of hammer-type tools arrangements for breaking-up hard ground E02F5/305; percussion -type rippers E02F5/323 E02F3/967of compacting-type tools compacting tools in combination with special-purpose dredges or soil-shifting machines E02F5/30 E02F3/968Storing, handling or otherwise manipulating tools when detached from the machine E02F3/6273 takes precedence E02F5/00Dredgers or soil-shifting machines for special purposes E02F5/003for uncovering conduits E02F5/006adapted for working ground under water not otherwise provided for E02F3/081, E02F3/4131, E02F3/8833, E02F5/104, E02F5/125, E02F7/005, E02F7/023, E02F7/065, E02F9/026, E02F9/045, E02F9/06 take precedence E02F5/02for digging trenches or ditches machines for making foundation slots E02F3/205, E02F3/475 take precedence; agricultural ploughs for working ridges A01B13/02 E02F5/022with tools digging laterally with respect to the frame E02F5/025with scraper-buckets, dippers or shovels E02F5/027with coulters, ploughs, scraper plates, or the like E02F5/102, E02F5/103, E02F5/106 take precedence E02F5/04with digging screws E02F5/109 takes precedence; with digging screws per se E02F3/06 E02F5/06with digging elements mounted on an endless chain E02F5/109 takes precedence; with digging elements mounted on an endless chain per se E02F3/08 E02F5/08with digging wheels turning round an axis E02F5/109 takes precedence; with digging wheels per se E02F3/18 E02F5/10with arrangements for reinforcing trenches or ditcheswith arrangements for making or assembling conduits or for laying conduits or cables laying pipes per se F16L1/00, making pipes in situ F16L1/038; laying electric cables per se H02G1/06; drainage device- laying apparatus E02B11/02 E02F5/101forming during digging, e.g. underground canalisations or conduits, by bending or twisting a strip of pliable material; by extrusion E02F5/102operatively associated with mole-ploughs, coulters rippers E02F5/32 E02F5/103with oscillating or vibrating digging tools E02F5/104for burying conduits or cables in trenches under water floating substructures per se E02F9/06 E02F5/105self-propulsed units moving on the underwater bottom E02F5/106using ploughs, coulters, rippers E02F5/107using blowing-effect devices, e.g. jets digging devices using a blowing effect per se E02F3/9206 E02F5/108using suction-effect devices suction heads per se E02F3/9243, E02F3/9256 E02F5/109using rotating digging elements rotating digging elements per se E02F3/18 E02F5/12with equipment for back-filling trenches or ditches E02F5/125underwater E02F5/14Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids E02F5/145control and indicating devices E02F5/16Machines for digging other holes in the soil earth drilling E21 E02F5/18for horizontal holes or inclined holes E02F5/20for vertical holes E02F5/22for making embankmentsfor back-filling in combination with trench excavators E02F5/12 E02F5/223for back-filling in association with trench excavators E02F5/12 E02F5/226with means for processing the soil, e.g. screening belts, separators; Padding machines E02F5/24Depositing dredged material in mounds E02F5/26Combined conveying-bridges and dredgers E02F5/28for cleaning watercourses or other ways stream regulation E02B3/02 E02F5/282with rotating cutting or digging tools E02F5/285with drag buckets or scraper plates E02F5/287with jet nozzles digging devices with blowing effect per se E02F3/9206 E02F5/30Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil E02F5/305Arrangements for breaking-up hard ground E02F5/32 takes precedence; hammer-type tools E02F3/966; breaking-up paving of roads or the like E01C23/12; breaking-up subaqueous rock E02B3/02 E02F5/32Rippers E02F5/106 takes precedence, ripper or scarifying teeth mounted on blades E02F3/8152; ripper tips E02F9/2875 E02F5/323Percussion-type rippers E02F5/326oscillating or vibrating E02F7/00Equipment for conveying or separating excavated material barges adapted for carrying-away material from floating dredgers B63B35/28 E02F7/005conveying material from the underwater bottom by pipelines E02F7/10; suction dredgers E02F3/88 E02F7/02Conveying equipment mounted on a dredger conveyors in general B65G E02F7/023mounted on a floating dredger E02F7/026mounted on machines equipped with dipper- or bucket-arms E02F7/04Loading devices mounted on a dredger or an excavator loading devices in general B65G hopper dredgers, also equipment for unloading the hopper E02F7/06Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators for back-filling E02F5/226 takes precedence; separating equipment in general B03; delivery chutes in general B65G E02F7/065mounted on a floating dredger E02F7/10Pipelines for conveying excavated materials pipes in general F16L; pipe-lines systems F17D ; conveying by liquid pressure B65G53/30 E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00 laying-out or take-up devices for trailing electric cables B66C E02F9/003Devices for transporting the soil-shifting machines or excavators, e.g. by pushing them or by hitching them to a tractor E02F9/006Pivot joint assemblies in general F16C11/04 E02F9/02Travelling-gear, e.g. associated with slewing gears drives therefor E02F9/20; for motor vehicles B60B, B60G; undercarriages for locomotives or railroad cars B61F; track-laying vehicles B62D; for cranes B66C23/18 E02F9/022for moving on rails E02F9/024with laterally or vertically adjustable wheels or tracks for vehicles in general B60B35/10; B62D55/084 E02F9/026for moving on the underwater bottom marine propulsion by direct engagement with water-bed or ground B63H19/08 E02F9/028with arrangements for levelling the machine hydraulic drives therefor E02F9/2257 E02F9/04Walking gears moving the dredger forward step-by-step E02F9/045for moving on the underwater bottom for artificial islands E02B17/022; marine propulsion by direct engagement with water-bed or ground B63H19/08 E02F9/06Floating substructures as supports floating installations with arrangements acting by a sucking or forcing effect E02F3/8833 E02F9/062Advancing equipment, e.g. spuds for floating dredgers E02F9/065characterised by the use of lines with anchors and winches E02F9/067with arrangements for heave compensation for drilling structures E21B19/09; for lifting devices B66C13/02 E02F9/08SuperstructuresSupports for superstructures arrangements for travelling gear, e.g. undercarriages for wheels, crawlers, caterpillars E02F9/02; for motor vehicles B62D25/00, B62D33/00 E02F9/0808Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures for disposition of specific components, E02F9/0858 E02F9/0816Welded frame structure E02F9/0825Cast frame structure E02F9/0833Improving access, e.g. for maintenance, steps for improving driver's access, handrails E02F9/0841Articulated frame, i.e. having at least one pivot point between two travelling gear units tractor-trailer combinations B62D53/00 E02F9/085Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs for vehicles in general B60S9/00, for cranes B66C23/78 E02F9/0858Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units E02F9/16, E02F9/18 take precedence E02F9/0866Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment E02F9/0875Arrangement of valve arrangements on superstructures arrangement of hydraulic hoses E02F9/2275 takes precedence; valves per se E02F9/2267 E02F9/0883Tanks, e.g. oil tank, urea tank, fuel tank for vehicles in general B60K15/00 E02F9/0891Lids or bonnets or doors or details thereof doors for cabins E02F9/163 takes precedence; for motor vehicles B62D25/10 E02F9/10Supports for movable superstructures mounted on travelling or walking gears or on other superstructures E02F9/12Slewing or traversing gears roller and ball bearings F16C E02F9/121Turntables, i.e. structure rotatable about 360° E02F9/123Drives or control devices specially adapted therefor E02F9/125 and E02F9/128 take precedence E02F9/125Locking devices E02F9/126Lubrication systems E02F9/128Braking systems E02F9/14Booms only for booms with cable suspension arrangements for booms or manipulators with cable suspensions for suction pipes E02F3/905 takes precedence; for booms per se E02F3/38; E02F3/34 for bucket-armsCable suspensions E02F9/16Cabins, platforms, or the like, for drivers for motor vehicles in general B62D33/06, for cranes B66C13/54 E02F9/163Structures to protect drivers, e.g. cabins, doors for cabins; Falling object protection structure [FOPS]; Roll over protection structure [ROPS] for handrails mounted on cabins E02F9/0833 takes precedence; for vehicles in general B60R21/11, B60R21/13, for fork-lift trucks B66F9/07545 E02F9/166movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins seats for vehicles in general B60N2/00 E02F9/18Counterweights for cranes B66C23/72, for tractors B62D49/085 E02F9/20DrivesControl devices gearings in general F16H; controlling in general G05; electric multi-motor drives H02K, H02P E02F9/2004Control mechanisms, e.g. control levers control levers per se G05G E02F9/2008Control mechanisms in the form of the machine in the reduced scale model E02F9/2012Setting the functions of the control levers, e.g. changing assigned functions among operations levers, setting functions dependent on the operator or seat orientation E02F9/2016Winches winches per se B66D E02F9/202Mechanical transmission, e.g. clutches, gears clutches per se F16D, gears per se F16H E02F9/2025Particular purposes of control systems not otherwise provided for E02F3/16, E02F3/26, sub-groups of E02F3/43, E02F3/651, sub-groups of E02F3/84, E02F3/907, E02F5/145 take precedence E02F9/2029Controlling the position of implements in function of its load, e.g. modifying the attitude of implements in accordance to vehicle speed control for hydraulic or pneumatic drives E02F9/2203, E02F9/2221 and E02F9/2253 take precedence E02F9/2033Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin sub-groups of E02F3/431 of E02F3/435 take precedence; for turntables E02F9/123 E02F9/2037Coordinating the movements of the implement and of the frame E02F9/2041Automatic repositioning of implements, i.e. memorising determined positions of the implement for dipper-arms or bucket-arms E02F3/434, E02F3/437, E02F3/438, E02F3/439 take precedence E02F9/2045Guiding machines along a predetermined path for graders E02F3/841; machines for construction of roads E01C19/004 E02F9/205Remotely operated machines, e.g. unmanned vehicles E02F3/8866 takes precedence E02F9/2054Fleet management E02F9/2058Electric or electro-mechanical or mechanical control devices of vehicle sub-units for vehicles in general B60W E02F9/2062Control of propulsion units for control of the prime mover depending on the load in a hydraulic or pneumatic drive E02F9/2246 E02F9/2066of the type combustion engines E02F9/207of the type electric propulsion units, e.g. electric motors or generators E02F9/2075of the hybrid type for vehicles in general B60W20/00 E02F9/2079Control of mechanical transmission for hydrostatic transmission or hydraulic torque converter E02F9/2253 E02F9/2083Control of vehicle braking systems E02F9/2087Control of vehicle steering for steering with hydraulic or pneumatic drives E02F9/225 E02F9/2091Control of energy storage means for electrical energy, e.g. battery or capacitors energy recovery arrangements in hydraulic or pneumatic drives E02F9/2217 E02F9/2095Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans control of hydraulic driven equipment E02F9/22 E02F9/22Hydraulic or pneumatic drives for dipper or bucket arm position control E02F3/43, for blade position control for graders E02F3/844; for turntables E02F9/121; for fork-lift trucks B66F9/22 E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function E02F9/2207for reducing or compensating oscillations E02F9/221for generating actuator vibration buckets with vibrating means E02F3/405 E02F9/2214for reducing the shock generated at the stroke end E02F9/2217with energy recovery arrangements, e.g. using accumulators, flywheels E02F9/2221Control of flow rate; Load sensing arrangements E02F9/2203 take precedence over E02F9/2221 E02F9/2225using pressure-compensating valves E02F9/2228including an electronic controller E02F9/2232using one or more variable displacement pumps E02F9/2235including an electronic controller E02F9/2239using two or more pumps with cross-assistance E02F9/2242including an electronic controller E02F9/2246Control of prime movers, e.g. depending on the hydraulic load of work tools E02F9/225Control of steering, e.g. for hydraulic motors driving the vehicle tracks steering in general B62D E02F9/2253Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission E02F9/2257Vehicle levelling or suspension systems suspensions for vehicles in general B60G E02F9/226Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating E02F9/2264Arrangements or adaptations of elements for hydraulic drives E02F9/2267Valves or distributors position of valves arrangements on upper-structures E02F9/0875 E02F9/2271Actuators and supports therefor and protection therefor E02F9/2275Hoses and supports therefor and protection therefor E02F9/2278Hydraulic circuits E02F9/2282Systems using center bypass type changeover valves E02F9/2285Pilot-operated systems E02F9/2289Closed circuit E02F9/2292Systems with two or more pumps E02F9/2296Systems with a variable displacement pump E02F9/24Safety devices , e.g. for preventing overload E02F9/226 takes precedence E02F9/245for preventing damage to underground objects during excavation, e.g. indicating buried pipes or the like detection of pipes in the ground F16L1/11 E02F9/26Indicating devices E02F5/145 takes precedence E02F9/261Surveying the work-site to be treated E02F9/262with follow-up actions to control the work tool, e.g. controller E02F9/264Sensors and their calibration for indicating the position of the work tool E02F9/265with follow-up actions (e.g. control signals sent to actuate the work tool) E02F9/267Diagnosing or detecting failure of vehicles E02F9/268with failure correction follow-up actions E02F9/28Small metalwork for digging elements, e.g. teeth scraper bits ploughs for agriculture A01B15/00; teeth of harrows A01B23/02 E02F9/2808Teeth E02F9/2816Mountings therefor E02F9/2825using adapters E02F9/2833Retaining means, e.g. pins E02F9/2841resilient E02F9/285characterised by the material used E02F9/2858characterised by shape E02F9/2866for rotating digging elements for milling machines B28D1/186; for mining machines E21C35/18 E02F9/2875Ripper tips E02F9/2883Wear elements for buckets or implements in general E02F9/2891Tools for assembling or disassembling