Version: 2024.08
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||||||||
| E02F | NOTE
WARNINGS
|
E02F 1/00 | General working methods with dredgers or soil-shifting machines (methods for making embankments E02D 17/18; methods for mining E21C) [2013-01] |
E02F 3/00 |
E02F 3/02 | . | hand-operated {; handheld soil shifting equipment acting by sucking E02F 3/8891 (spades or rakes for agriculture or gardening purposes A01B)} [2017-08] |
E02F 3/04 | . | mechanically-driven [2013-01] |
E02F 3/045 | . . | {with oscillating digging tools, e.g. oscillating spades} [2013-01] |
E02F 3/06 | . . |
E02F 3/08 | . . |
E02F 3/081 | . . . | {mounted on floating substructures (floating substructures per se E02F 9/06)} [2013-01] |
E02F 3/082 | . . . | {including a belt-type conveyor for transporting the excavated material} [2016-05] |
E02F 3/083 | . . . | {including a screw-type conveyor for transporting the excavated material} [2016-05] |
E02F 3/085 | . . . | {with auxiliary or additional digging elements other than digging elements on an endless chain} [2013-01] |
E02F 3/086 | . . . | {vertically shiftable relative to the frame} [2013-01] |
E02F 3/087 | . . . | {with digging unit working in a plane inclined to the direction of travel} [2013-01] |
E02F 3/088 | . . . | {pivotable relative to the frame} [2013-01] |
E02F 3/10 | . . . | with tools that only loosen the material {, i.e. with cutter-type chains} [2017-08] |
E02F 3/12 | . . . | Component parts {, e.g. bucket troughs} [2016-08] |
E02F 3/14 | . . . . | Buckets; Chains; Guides for buckets or chains; Drives for chains [2019-08] |
E02F 3/141 | . . . . . | {buckets} [2013-01] |
E02F 3/142 | . . . . . | {tools mounted on buckets or chains which loosen the soil, e.g. cutting wheels, or the like (teeth per se E02F 9/28)} [2013-01] |
E02F 3/143 | . . . . . | {chains; chain links; scraper chains (chains or chain guides E21C 25/28)} [2013-01] |
E02F 3/144 | . . . . . | {emptying or cleaning the buckets, e.g. in combination with spoil removing equipment} [2013-01] |
E02F 3/145 | . . . . . | {drives} [2013-01] |
E02F 3/146 | . . . . . | {guides for chains or buckets, e.g. for buckets movable relative to chains (chains or chain guides E21C 25/28)} [2013-01] |
E02F 3/147 | . . . . . | {arrangements for the co-operation between buckets or buckets and wheels} [2013-01] |
E02F 3/148 | . . . . . | {wheels, sprokets} [2013-01] |
E02F 3/16 | . . . . |
E02F 3/18 | . . | with digging wheels turning round an axis {, e.g. bucket-type wheels (for digging trenches E02F 5/08; for laying cables underwater E02F 5/109; cutting machines E21C 25/00; methods or apparatus for making tunnels or galleries E21D 9/00)} [2017-08] |
E02F 3/181 | . . . | {including a conveyor} [2016-05] |
E02F 3/183 | . . . | {with digging unit shiftable relative to the frame} [2013-01] |
E02F 3/185 | . . . | {with digging unit mounted in a plane which is inclined to the direction of travel; with tools digging laterally with respect to the frame} [2013-01] |
E02F 3/186 | . . . | {with the axis being substantially parallel to the direction of travel} [2013-01] |
E02F 3/188 | . . . | {with the axis being horizontal and transverse to the direction of travel} [2013-01] |
E02F 3/20 | . . . | with tools that only loosen the material {, i.e. mill-type wheels} [2017-08] |
E02F 3/205 | . . . . | {with a pair of digging wheels, e.g. slotting machines (implements for making foundation slots with definition of the walls or foundations E02D 17/13; bulkheads or similar walls made solely of concrete in situ E02D 5/18; with a pair of buckets E02F 3/475)} [2013-01] |
E02F 3/22 | . . . | Component parts [2013-01] |
E02F 3/24 | . . . . | Digging wheels; Digging elements of wheels; Drives for wheels [2013-01] |
E02F 3/241 | . . . . . | {digging wheels} [2013-01] |
E02F 3/243 | . . . . . | {wheels rotatable in both directions} [2013-01] |
E02F 3/245 | . . . . . | {with digging elements mounted movable relative to the wheel} [2013-01] |
E02F 3/246 | . . . . . | {drives} [2013-01] |
E02F 3/248 | . . . . . | {Cleaning the wheels or emptying the digging elements mounted on the wheels, e.g. in combination with spoil removing equipment} [2013-01] |
E02F 3/26 | . . . . |
E02F 3/28 | . . | with 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 [2017-08] |
E02F 3/283 | . . . | {with a single arm pivoted directly on the chassis (linkage mechanism for it E02F 3/3405)} [2013-01] |
E02F 3/286 | . . . . | {telescopic or slidable (fork-lift trucks with a telescopic boom B66F 9/0655)} [2013-01] |
E02F 3/30 | . . . | with a dipper-arm pivoted on a cantilever beam {, i.e. boom} [2017-08] |
E02F 3/301 | . . . . | {with more than two arms (boom included), e.g. two-part boom with additional dipper-arm} [2013-01] |
E02F 3/302 | . . . . | {with an additional link} [2013-01] |
E02F 3/303 | . . . . | {with the dipper-arm or boom rotatable about its longitudinal axis} [2013-01] |
E02F 3/304 | . . . . | {with the dipper-arm slidably mounted on the boom (E02F 3/305 takes precedence)} [2013-01] |
E02F 3/305 | . . . . | {with the dipper-arm slidably mounted on the boom and the boom slidably mounted on the frame} [2013-01] |
E02F 3/306 | . . . . | {with telescopic dipper-arm or boom} [2013-01] |
E02F 3/307 | . . . . | {the boom and the dipper-arm being connected so as to permit relative movement in more than one plane} [2013-01] |
E02F 3/308 | . . . . | {working outwardly} [2013-01] |
E02F 3/32 | . . . . | working downwardly and towards the machine, e.g. with backhoes [2013-01] |
E02F 3/325 | . . . . . | {Backhoes of the miniature type} [2013-01] |
E02F 3/34 | . . . | with bucket-arms {, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms (with a single arm E02F 3/283)} directly pivoted on the frames of tractors or self-propelled machines [2016-08] |
E02F 3/3402 | . . . . | {the arms being telescopic (fork-lift trucks with a telescopic boom B66F 9/0655)} [2013-01] |
E02F 3/3405 | . . . . | {and comprising an additional linkage mechanism} [2013-01] |
E02F 3/3408 | . . . . . | {of the parallelogram-type} [2013-01] |
E02F 3/3411 | . . . . . | {of the Z-type} [2013-01] |
E02F 3/3414 | . . . . | {the arms being pivoted at the rear of the vehicle chassis, e.g. skid steer loader} [2013-01] |
E02F 3/3417 | . . . . | {Buckets emptying by tilting (E02F 3/342, E02F 3/345 take precedence)} [2013-01] |
E02F 3/342 | . . . . |
E02F 3/345 | . . . . |
E02F 3/348 | . . . . | Buckets emptying into a collecting or conveying device [2013-01] |
E02F 3/3483 | . . . . . | {Buckets discharging on a conveyor or elevator mounted on the machine} [2016-05] |
E02F 3/3486 | . . . . . | {Buckets discharging overhead into a container mounted on the machine} [2013-01] |
E02F 3/352 | . . . . | Buckets movable along a fixed guide [2013-01] |
E02F 3/355 | . . . . | Buckets connected to the rear end of a tractor {not used} [2013-01] |
E02F 3/358 | . . . . | Bucket-arms pivoted on a turntable being part of a tractor frame {or buckets arranged on a turntable supported by the arms} [2013-01] |
E02F 3/36 | . . . | Component parts [2013-01] |
E02F 3/3604 | . . . . | {Devices to connect tools to arms, booms or the like} [2013-01] |
E02F 3/3609 | . . . . . | {of the quick acting type, e.g. controlled from the operator seat (quick-acting couplers to connect booms or arms to tractors E02F 3/627; quick-acting couplers for machines mounted on tractor A01B 59/06; couplings of the quick-acting type per se F16L 37/00)} [2013-01] |
E02F 3/3613 | . . . . . . | {with means for absorbing any play therebetween (E02F 3/364 takes precedence)} [2013-01] |
E02F 3/3618 | . . . . . . | {with two separating hooks} [2013-01] |
E02F 3/3622 | . . . . . . | {with a hook and a locking element acting on a pin} [2013-01] |
E02F 3/3627 | . . . . . . | {with a hook and a longitudinal locking element} [2013-01] |
E02F 3/3631 | . . . . . . | {with a hook and a transversal locking element} [2013-01] |
E02F 3/3636 | . . . . . . | {using two or four movable transversal pins} [2013-01] |
E02F 3/364 | . . . . . . | {using wedges} [2013-01] |
E02F 3/3645 | . . . . . . | {with auto-engagement means for automatic snap-on of the tool coupler part} [2013-01] |
E02F 3/365 | . . . . . . | {with redundant latching means, e.g. for safety purposes} [2013-01] |
E02F 3/3654 | . . . . . . | {with energy coupler, e.g. coupler for hydraulic or electric lines, to provide energy to drive(s) mounted on the tool} [2013-01] |
E02F 3/3659 | . . . . . . | {electrically-operated} [2013-01] |
E02F 3/3663 | . . . . . . | {hydraulically-operated} [2013-01] |
E02F 3/3668 | . . . . . . | {where engagement is effected by a mechanical lever or handle} [2013-01] |
E02F 3/3672 | . . . . . . | {where disengagement is effected by a mechanical lever or handle} [2013-01] |
E02F 3/3677 | . . . . . | {allowing 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} [2013-01] |
E02F 3/3681 | . . . . . . | {Rotators} [2013-01] |
E02F 3/3686 | . . . . . | {using adapters, i.e. additional element to mount between the coupler and the tool} [2013-01] |
E02F 3/369 | . . . . | {Devices to connect parts of a boom or an arm (devices to connect booms or arms to tractors E02F 3/627)} [2013-01] |
E02F 3/3695 | . . . . | {Arrangements for connecting dipper-arms to loaders or graders} [2013-01] |
E02F 3/38 | . . . . | Cantilever beams {, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms (for booms with cable suspension arrangements E02F 9/14 takes precedence)}; Dipper-arms {, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms}; Bucket-arms {(E02F 3/34 takes precedence)} [2016-08] |
E02F 3/382 | . . . . . | {Connections to the frame; Supports for booms or arms (devices to connect booms or arms to tractors or similar machines E02F 3/627; pivot joint assemblies in particular E02F 9/006)} [2013-01] |
E02F 3/384 | . . . . . . | {the boom being pivotable relative to the frame about a vertical axis} [2013-01] |
E02F 3/386 | . . . . . . | {the boom being laterally shiftable relative to the frame} [2013-01] |
E02F 3/388 | . . . . . | {Mechanical locking means for booms or arms against rotation, e.g. during transport of the machine (transporting-cranes B66C 23/344)} [2013-01] |
E02F 3/40 | . . . . | Dippers; Buckets {; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets (devices to connect tools to arms or booms E02F 3/3604; teeth therefor E02F 9/28)} [2023-08] |
E02F 3/401 | . . . . . | {Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload} [2013-01] |
E02F 3/402 | . . . . . | {with means for facilitating the loading thereof, e.g. conveyors} [2016-05] |
E02F 3/404 | . . . . . . | {comprising two parts movable relative to each other, e.g. for gripping} [2013-01] |
E02F 3/405 | . . . . . . | {using vibrating means (blades or levelling tools with vibrating teeth E02F 3/8155; vibrating rippers E02F 5/326)} [2013-01] |
E02F 3/407 | . . . . . | with ejecting {or other unloading} device [2013-01] |
E02F 3/4075 | . . . . . . | {Dump doors; Control thereof} [2013-01] |
E02F 3/413 | . . . . . | with grabbing device ({E02F 3/404 takes precedence; with grab buckets moved by cables or hoisting ropes E02F 3/47;} grab equipment for cranes B66C) [2013-01] |
E02F 3/4131 | . . . . . . | {mounted on a floating substructure (floating substructures per se E02F 9/06)} [2013-01] |
E02F 3/4133 | . . . . . . | {grabs carried out as loaders or mounted on a tractor} [2013-01] |
E02F 3/4135 | . . . . . . | {with grabs mounted directly on a boom} [2013-01] |
E02F 3/4136 | . . . . . . | {with grabs mounted on a slidable or telescopic boom or arm} [2013-01] |
E02F 3/4138 | . . . . . . | {the grab being emptied by flushing} [2013-01] |
E02F 3/42 | . . . . | Drives for dippers, buckets, dipper-arms or bucket-arms [2013-01] |
E02F 3/422 | . . . . . | {Drive systems for bucket-arms, front-end loaders, dumpers or the like} [2013-01] |
E02F 3/425 | . . . . . | {Drive systems for dipper-arms, backhoes or the like} [2013-01] |
E02F 3/427 | . . . . . | {with mechanical drives (by cables or hoisting ropes E02F 3/46 take precedence)} [2013-01] |
E02F 3/43 | . . . . . | Control of dipper or bucket position; Control of sequence of drive operations [2013-01] |
E02F 3/431 | . . . . . . | {for bucket-arms, front-end loaders, dumpers or the like} [2013-01] |
E02F 3/432 | . . . . . . . | {for keeping the bucket in a predetermined position or attitude} [2013-01] |
E02F 3/433 | . . . . . . . . | {horizontal, e.g. self-levelling} [2013-01] |
E02F 3/434 | . . . . . . . | {providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig} [2013-01] |
E02F 3/435 | . . . . . . | {for dipper-arms, backhoes or the like} [2013-01] |
E02F 3/436 | . . . . . . . | {for keeping the dipper in the horizontal position, e.g. self-levelling} [2013-01] |
E02F 3/437 | . . . . . . . | {providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant} [2013-01] |
E02F 3/438 | . . . . . . . | {Memorising movements for repetition, e.g. play-back capability} [2013-01] |
E02F 3/439 | . . . . . . . | {Automatic repositioning of the implement, e.g. automatic dumping, auto-return (E02F 3/438 takes precedence)} [2013-01] |
E02F 3/46 | . . | with reciprocating digging or scraping elements moved by cables or hoisting ropes {; Drives or control devices therefor (E02F 3/205, E02F 3/905 take precedence)} [2017-08] |
E02F 3/47 | . . . |
E02F 3/475 | . . . . | {for making foundation slots (slotting machines with a pair of digging wheels E02F 3/205)} [2013-01] |
E02F 3/48 | . . . | Drag-lines [2013-01] |
E02F 3/50 | . . . | with buckets or other digging elements moved along a rigid guideway [2013-01] |
E02F 3/52 | . . . |
E02F 3/54 | . . . |
E02F 3/56 | . . . . | with hand-controlled scraper or other digging elements [2013-01] |
E02F 3/58 | . . . |
E02F 3/60 | . . . . | Buckets, scrapers, or other digging elements [2013-01] |
E02F 3/627 | . . | Devices 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 E02F 3/382; connection of scraper bowls to the vehicle main body E02F 3/653; connecting devices for agriculture tractors A01B 59/06)} [2017-08] |
E02F 3/6273 | . . . | {using legs to support the beams or arms on the ground during the connecting process} [2013-01] |
E02F 3/6276 | . . . | {on one side of the frame} [2013-01] |
E02F 3/633 | . . . |
E02F 3/64 | . . |
E02F 3/6409 | . . . | {Self-propelled scrapers} [2013-01] |
E02F 3/6418 | . . . . | {with rotatable scraper bowls for dumping the soil (with only elements of the scraper bowls being pivotable E02F 3/6427)} [2013-01] |
E02F 3/6427 | . . . . | {with elements of the scraper bowls being pivotable for dumping the soil (E02F 3/6445 take precedence; with an ejector having translational movement E02F 3/6436)} [2013-01] |
E02F 3/6436 | . . . . | {with scraper bowls with an ejector having translational movement for dumping the soil (E02F 3/6445 takes precedence)} [2013-01] |
E02F 3/6445 | . . . . | {with conveying means for emptying the scraper bowl} [2013-01] |
E02F 3/6454 | . . . | {Towed (i.e. pulled or pushed) scrapers} [2013-01] |
E02F 3/6463 | . . . . | {with rotatable scraper bowls for dumping the soil (with only elements of the scraper bowls being pivotable E02F 3/6472)} [2013-01] |
E02F 3/6472 | . . . . | {with elements of the scraper bowls being pivotable for dumping the soil (E02F 3/649 takes precedence; with an ejector having translational movement E02F 3/6481)} [2013-01] |
E02F 3/6481 | . . . . | {with scraper bowls with an ejector having translational movement for dumping the soil (E02F 3/649 takes precedence)} [2013-01] |
E02F 3/649 | . . . . | {with conveying means for emptying the scraper bowl} [2013-01] |
E02F 3/65 | . . . | Component parts, e.g. drives, control devices [2013-01] |
E02F 3/651 | . . . . | {Hydraulic or pneumatic drives; Electric or electro-mechanical control devices (E02F 3/652, E02F 3/653 take precedence)} [2013-01] |
E02F 3/652 | . . . . | {Means to adjust the height of the scraper bowls, e.g. suspension means, tilt control, earth damping control} [2013-01] |
E02F 3/653 | . . . . | {Connection mechanisms to the main body of the machine (connection of tools to dipper-arms, booms, bucket-arms E02F 3/3604; connection of beams or booms or arms to tractors in general E02F 3/627)} [2013-01] |
E02F 3/654 | . . . . | {Scraper bowls and components mounted on them} [2013-01] |
E02F 3/655 | . . . . . | {Loading or elevator mechanisms (loading devices for excavators in general E02F 7/04)} [2017-08] |
E02F 3/656 | . . . . . | {Ejector or dumping mechanisms (for buckets mounted on a dipper-arm or bucket arms E02F 3/407)} [2013-01] |
E02F 3/657 | . . . . . | {Means to prevent the spilling of dredged material, e.g. apron, baffle} [2013-01] |
E02F 3/658 | . . . . . | {Cutting edge (for graders or bulldozer blades E02F 3/8152, E02F 3/8155; teeth per se E02F 9/28)} [2013-01] |
E02F 3/659 | . . . . . | {Conveying means for emptying scraper bowls (conveying equipment for excavators in general E02F 7/02)} [2013-01] |
E02F 3/76 | . . | Graders, bulldozers, or the like with scraper plates or ploughshare-like elements (soil-working A01B); Levelling {scarifying} devices {(street cleaning E01H; construction of roads E01C 19/00, E01C 23/00)} [2013-01] |
E02F 3/7604 | . . . | {Combinations of scraper blades with soil loosening tools working independently of scraper blades (soil loosening attachments fixed on blades E02F 3/8152, E02F 3/8155)} [2013-01] |
E02F 3/7609 | . . . | {Scraper blade mounted forwardly of the tractor on a pair of pivoting arms which are linked to the sides of the tractor, e.g. bulldozers} [2013-01] |
E02F 3/7613 | . . . . | {with the scraper blade adjustable relative to the pivoting arms about a vertical axis, e.g. angle dozers} [2013-01] |
E02F 3/7618 | . . . . | {with the scraper blade adjustable relative to the pivoting arms about a horizontal axis} [2013-01] |
E02F 3/7622 | . . . | {Scraper 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} [2013-01] |
E02F 3/7627 | . . . . | {with the scraper blade adjustable relative to the frame about a vertical axis} [2013-01] |
E02F 3/7631 | . . . . | {with the scraper blade adjustable relative to the frame about a horizontal axis} [2013-01] |
E02F 3/7636 | . . . | {Graders with the scraper blade mounted under the tractor chassis} [2013-01] |
E02F 3/764 | . . . . | {with the scraper blade being pivotable about a vertical axis} [2013-01] |
E02F 3/7645 | . . . . | {with the scraper blade being pivotable about a horizontal axis disposed parallel to the blade} [2013-01] |
E02F 3/765 | . . . . | {with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade} [2013-01] |
E02F 3/7654 | . . . . | {with the scraper blade being horizontally movable into a position near the chassis} [2013-01] |
E02F 3/7659 | . . . . | {with the vertical centre-line of the scraper blade disposed laterally relative to the central axis of the chassis} [2013-01] |
E02F 3/7663 | . . . | {Graders with the scraper blade mounted under a frame supported by wheels, or the like} [2013-01] |
E02F 3/7668 | . . . . | {with the scraper blade being pivotable about a vertical axis} [2013-01] |
E02F 3/7672 | . . . . | {with the scraper blade being pivotable about a horizontal axis disposed parallel to the blade} [2013-01] |
E02F 3/7677 | . . . . | {with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade} [2013-01] |
E02F 3/7681 | . . . . | {with the scraper blade being horizontally movable into a position near the frame} [2013-01] |
E02F 3/7686 | . . . . | {with the vertical centre-line of the scraper blade disposed laterally relative to the central axis of the frame} [2013-01] |
E02F 3/769 | . . . | {Graders, bulldozers, or the like comprising loaders} [2013-01] |
E02F 3/7695 | . . . | {Graders, bulldozers or the like comprising elevators or conveyors} [2016-05] |
E02F 3/78 | . . . | with rotating digging elements [2013-01] |
E02F 3/783 | . . . . | {having a horizontal axis of rotation} [2013-01] |
E02F 3/786 | . . . . | {having a vertical axis of rotation} [2013-01] |
E02F 3/80 | . . . | Component parts [2013-01] |
E02F 3/815 | . . . . |
E02F 3/8152 | . . . . . | {Attachments therefor, e.g. wear resisting parts, cutting edges (E02F 3/8155, E02F 3/8157 take precedence; teeth per se E02F 9/28)} [2013-01] |
E02F 3/8155 | . . . . . | {provided with movable parts, e.g. cutting discs, vibrating teeth or the like} [2013-01] |
E02F 3/8157 | . . . . . | {Shock absorbers; Supports, e.g. skids, rollers; Devices for compensating wear-and-tear, or the like} [2013-01] |
E02F 3/84 | . . . . | Drives or control devices therefor {, e.g. hydraulic drive systems} [2017-08] |
E02F 3/841 | . . . . . | {Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine (construction of roads E01C 19/008)} [2013-01] |
E02F 3/842 | . . . . . . | {using electromagnetic, optical or photoelectric beams, e.g. laser beams} [2013-01] |
E02F 3/844 | . . . . . | {for positioning the blade, e.g. hydraulically} [2013-01] |
E02F 3/845 | . . . . . . | {using mechanical sensors to determine the blade position, e.g. inclinometers, gyroscopes, pendulums} [2013-01] |
E02F 3/847 | . . . . . . | {using electromagnetic, optical or acoustic beams to determine the blade position, e.g. laser beams} [2013-01] |
E02F 3/848 | . . . . . . | {using cable drums} [2013-01] |
E02F 3/88 | . . | with arrangements acting by a sucking or forcing effect, e.g. suction dredgers (pumps in general F04) [2013-01] |
E02F 3/8808 | . . . | {Stationary installations, e.g. installations using spuds or other stationary supports (spuds on floating substructures per se E02F 9/062; cleaning the beds of waterways E02B 3/02)} [2013-01] |
E02F 3/8816 | . . . | {Mobile land installations} [2013-01] |
E02F 3/8825 | . . . . | {wherein at least a part of the soil-shifting equipment is mounted on a dipper-arm, backhoes or the like} [2013-01] |
E02F 3/8833 | . . . | {Floating installations (floating substructures per se E02F 9/06)} [2013-01] |
E02F 3/8841 | . . . . | {wherein at least a part of the soil-shifting equipment is mounted on a ladder or boom} [2013-01] |
E02F 3/885 | . . . . | {self propelled, e.g. ship} [2013-01] |
E02F 3/8858 | . . . | {Submerged units (self propelled units for burying conduits or cables in trenches under water E02F 5/105)} [2013-01] |
E02F 3/8866 | . . . . | {self propelled} [2013-01] |
E02F 3/8875 | . . . . | {pulled or pushed} [2013-01] |
E02F 3/8883 | . . . | {Using the force of explosions, e.g. by the use of internal combustion engines} [2013-01] |
E02F 3/8891 | . . . | {wherein at least a part of the soil-shifting equipment is handheld} [2013-01] |
E02F 3/90 | . . . | Component parts {, e.g. arrangement or adaptation of pumps} [2016-08] |
E02F 3/902 | . . . . | {for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe} [2013-01] |
E02F 3/905 | . . . . | {Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes (for heave compensation E02F 9/067 takes precedence; pipelines per se E02F 7/10; joints for pipes in general F16L)} [2013-01] |
E02F 3/907 | . . . . | {Measuring or control devices, e.g. control units, detection means or sensors (E02F 3/902 takes precedence)} [2013-01] |
E02F 3/92 | . . . . | Digging elements, e.g. suction heads [2013-01] |
E02F 3/9206 | . . . . . | {Digging devices using blowing effect only, like jets or propellers (E02F 5/107 takes precedence; passive suction heads with jets E02F 3/925; active suction heads with jets E02F 3/9262; drilling by jets E21B 7/18; slitting by jets E21C 25/60)} [2013-01] |
E02F 3/9212 | . . . . . | {Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel (E02F 3/9287 takes precedence; active suction heads E02F 3/9256)} [2017-08] |
E02F 3/9218 | . . . . . . | {with jets} [2013-01] |
E02F 3/9225 | . . . . . . | {with rotating cutting elements} [2013-01] |
E02F 3/9231 | . . . . . . . | {Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe} [2013-01] |
E02F 3/9237 | . . . . . . . | {Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe} [2013-01] |
E02F 3/9243 | . . . . . | {Passive suction heads with no mechanical cutting means (E02F 5/108 takes precedence)} [2013-01] |
E02F 3/925 | . . . . . . | {with jets} [2013-01] |
E02F 3/9256 | . . . . . | {Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head (E02F 5/108 takes precedence)} [2013-01] |
E02F 3/9262 | . . . . . . | {with jets} [2013-01] |
E02F 3/9268 | . . . . . . | {with rotating cutting elements} [2013-01] |
E02F 3/9275 | . . . . . . . | {with axis of rotation parallel to longitudinal axis of the suction pipe} [2013-01] |
E02F 3/9281 | . . . . . . . | {with axis of rotation in horizontal and transverse direction of the suction pipe} [2013-01] |
E02F 3/9287 | . . . . . | {Vibrating suction heads} [2013-01] |
E02F 3/9293 | . . . . . | {Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like} [2013-01] |
E02F 3/94 | . . . . | Apparatus for separating stones from the dredged material {, i.e. separating or treating dredged material (screening plants mounted on dredger therefor E02F 7/06)} [2017-08] |
E02F 3/945 | . . . . . | {for environmental purposes} [2013-01] |
E02F 3/96 | . . | with arrangements for alternate {or simultaneous} use of different digging elements {(E02F 3/7604, E02F 3/769, E02F 3/78 take precedence; quick-acting devices to connect tools to arms or booms E02F 3/3609, for arms to tractors or the like E02F 3/627)} [2013-01] |
E02F 3/961 | . . . | {with several digging elements or tools mounted on one machine (for backhoes E02F 3/964 takes precedence)} [2013-01] |
E02F 3/962 | . . . | {Mounting of implements directly on tools already attached to the machine (E02F 3/404 and E02F 3/8152 take precedence)} [2013-01] |
E02F 3/963 | . . . | {Arrangements on backhoes for alternate use of different tools (backhoes per se E02F 3/30; quick-acting devices to connect tools to arms E02F 3/3609, for arms to tractors or the like E02F 3/627)} [2013-01] |
E02F 3/964 | . . . . | {of several tools mounted on one machine (E02F 3/962 takes precedence)} [2013-01] |
E02F 3/965 | . . . | {of metal-cutting or concrete-crushing implements (shearing devices B23D 17/00; wrecking of buildings, e.g. tools therefor, E04G 23/08)} [2013-01] |
E02F 3/966 | . . . | {of hammer-type tools (arrangements for breaking-up hard ground E02F 5/305; percussion -type rippers E02F 5/323)} [2013-01] |
E02F 3/967 | . . . | {of compacting-type tools (compacting tools in combination with special-purpose dredges or soil-shifting machines E02F 5/30)} [2013-01] |
E02F 3/968 | . . . | {Storing, handling or otherwise manipulating tools when detached from the machine (E02F 3/6273 takes precedence)} [2013-01] |
E02F 5/00 | Dredgers or soil-shifting machines for special purposes [2013-01] |
E02F 5/003 | . | {for uncovering conduits} [2013-01] |
E02F 5/006 | . | {adapted for working ground under water not otherwise provided for (E02F 3/081, E02F 3/4131, E02F 3/8833, E02F 5/104, E02F 5/125, E02F 7/005, E02F 7/023, E02F 7/065, E02F 9/026, E02F 9/045, E02F 9/06 take precedence)} [2013-01] |
E02F 5/02 | . | for digging trenches or ditches ({machines for making foundation slots E02F 3/205, E02F 3/475 take precedence}; agricultural ploughs for working ridges A01B 13/02) [2013-01] |
E02F 5/022 | . . | {with tools digging laterally with respect to the frame} [2013-01] |
E02F 5/025 | . . | {with scraper-buckets, dippers or shovels} [2013-01] |
E02F 5/027 | . . | {with coulters, ploughs, scraper plates, or the like (E02F 5/102, E02F 5/103, E02F 5/106 take precedence)} [2013-01] |
E02F 5/04 | . . |
E02F 5/06 | . . | with digging elements mounted on an endless chain {(E02F 5/109 takes precedence; with digging elements mounted on an endless chain per se E02F 3/08)} [2013-01] |
E02F 5/08 | . . | with digging wheels turning round an axis {(E02F 5/109 takes precedence; with digging wheels per se E02F 3/18)} [2013-01] |
E02F 5/10 | . . | with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables (laying pipes per se F16L 1/00, making pipes in situ F16L 1/038; laying electric cables per se H02G 1/06; {drainage device- laying apparatus E02B 11/02}) [2013-01] |
E02F 5/101 | . . . | {forming during digging, e.g. underground canalisations or conduits, by bending or twisting a strip of pliable material; by extrusion} [2013-01] |
E02F 5/102 | . . . | {operatively associated with mole-ploughs, coulters (rippers E02F 5/32)} [2013-01] |
E02F 5/103 | . . . . | {with oscillating or vibrating digging tools} [2013-01] |
E02F 5/104 | . . . | {for burying conduits or cables in trenches under water (floating substructures per se E02F 9/06)} [2013-01] |
E02F 5/105 | . . . . | {self-propulsed units moving on the underwater bottom} [2013-01] |
E02F 5/106 | . . . . | {using ploughs, coulters, rippers} [2013-01] |
E02F 5/107 | . . . . | {using blowing-effect devices, e.g. jets (digging devices using a blowing effect per se E02F 3/9206)} [2013-01] |
E02F 5/108 | . . . . | {using suction-effect devices (suction heads per se E02F 3/9243, E02F 3/9256)} [2013-01] |
E02F 5/109 | . . . . | {using rotating digging elements (rotating digging elements per se E02F 3/18)} [2013-01] |
E02F 5/12 | . . | with equipment for back-filling trenches or ditches [2013-01] |
E02F 5/125 | . . . | {underwater} [2013-01] |
E02F 5/14 | . . | Component parts for trench excavators, e.g. indicating devices {travelling gear chassis, supports, skids} [2013-01] |
E02F 5/145 | . . . | {control and indicating devices} [2013-01] |
E02F 5/16 | . |
E02F 5/18 | . . | for horizontal holes {or inclined holes} [2013-01] |
E02F 5/20 | . . | for vertical holes [2013-01] |
E02F 5/22 | . | for making embankments; for back-filling (in combination with trench excavators E02F 5/12) [2013-01] |
E02F 5/223 | . . | {for back-filling (in association with trench excavators E02F 5/12)} [2013-01] |
E02F 5/226 | . . . | {with means for processing the soil, e.g. screening belts, separators; Padding machines} [2013-01] |
E02F 5/24 | . . | Depositing dredged material in mounds [2013-01] |
E02F 5/26 | . . | Combined conveying-bridges and dredgers [2013-01] |
E02F 5/28 | . |
E02F 5/282 | . . | {with rotating cutting or digging tools} [2013-01] |
E02F 5/285 | . . | {with drag buckets or scraper plates} [2013-01] |
E02F 5/287 | . . | {with jet nozzles (digging devices with blowing effect per se E02F 3/9206)} [2013-01] |
E02F 5/30 | . | Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil [2017-05] |
E02F 5/305 | . . | {Arrangements for breaking-up hard ground (E02F 5/32 takes precedence; hammer-type tools E02F 3/966; breaking-up paving of roads or the like E01C 23/12; breaking-up subaqueous rock E02B 3/02)} [2013-01] |
E02F 5/32 | . . | Rippers {(E02F 5/106 takes precedence, ripper or scarifying teeth mounted on blades E02F 3/8152; ripper tips E02F 9/2875)} [2013-01] |
E02F 5/323 | . . . | {Percussion-type rippers} [2013-01] |
E02F 5/326 | . . . | {oscillating or vibrating} [2013-01] |
E02F 7/00 | Equipment for conveying or separating excavated material (barges adapted for carrying-away material from floating dredgers B63B 35/28) [2013-01] |
E02F 7/005 | . |
E02F 7/02 | . |
E02F 7/023 | . . | {mounted on a floating dredger} [2013-01] |
E02F 7/026 | . . | {mounted on machines equipped with dipper- or bucket-arms} [2013-01] |
E02F 7/04 | . | Loading devices mounted on a dredger or an excavator (loading devices in general B65G ){hopper dredgers, also equipment for unloading the hopper} [2013-01] |
E02F 7/06 | . | Delivery chutes or screening plants {or mixing plants} mounted on dredgers or excavators ({for back-filling E02F 5/226 takes precedence}; separating equipment in general B03; delivery chutes in general B65G) [2013-01] |
E02F 7/065 | . . | {mounted on a floating dredger} [2013-01] |
E02F 7/10 | . | Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D {; conveying by liquid pressure B65G 53/30}) [2017-08] |
E02F 9/00 |
E02F 9/003 | . | {Devices for transporting the soil-shifting machines or excavators, e.g. by pushing them or by hitching them to a tractor} [2013-01] |
E02F 9/006 | . | {Pivot joint assemblies (in general F16C 11/04)} [2013-01] |
E02F 9/02 | . |
E02F 9/022 | . . | {for moving on rails} [2013-01] |
E02F 9/024 | . . | {with laterally or vertically adjustable wheels or tracks (for vehicles in general B60B 35/10; B62D 55/084)} [2013-01] |
E02F 9/026 | . . | {for moving on the underwater bottom (marine propulsion by direct engagement with water-bed or ground B63H 19/08)} [2013-01] |
E02F 9/028 | . . | {with arrangements for levelling the machine (hydraulic drives therefor E02F 9/2257)} [2013-01] |
E02F 9/04 | . . | Walking gears moving the dredger forward step-by-step [2013-01] |
E02F 9/045 | . . . | {for moving on the underwater bottom (for artificial islands E02B 17/022; marine propulsion by direct engagement with water-bed or ground B63H 19/08)} [2013-01] |
E02F 9/06 | . | Floating substructures as supports {(floating installations with arrangements acting by a sucking or forcing effect E02F 3/8833)} [2013-01] |
E02F 9/062 | . . | {Advancing equipment, e.g. spuds for floating dredgers} [2013-01] |
E02F 9/065 | . . . | {characterised by the use of lines with anchors and winches} [2013-01] |
E02F 9/067 | . . | {with arrangements for heave compensation (for drilling structures E21B 19/09; for lifting devices B66C 13/02)} [2013-01] |
E02F 9/08 | . | Superstructures; Supports for superstructures {(arrangements for travelling gear, e.g. undercarriages for wheels, crawlers, caterpillars E02F 9/02; for motor vehicles B62D 25/00, B62D 33/00)} [2013-01] |
E02F 9/0808 | . . | {Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures (for disposition of specific components, E02F 9/0858)} [2013-01] |
E02F 9/0816 | . . . | {Welded frame structure} [2013-01] |
E02F 9/0825 | . . . | {Cast frame structure} [2013-01] |
E02F 9/0833 | . . | {Improving access, e.g. for maintenance, steps for improving driver's access, handrails} [2013-01] |
E02F 9/0841 | . . | {Articulated frame, i.e. having at least one pivot point between two travelling gear units (tractor-trailer combinations B62D 53/00)} [2013-01] |
E02F 9/085 | . . | {Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs (for vehicles in general B60S 9/00, for cranes B66C 23/78)} [2013-01] |
E02F 9/0858 | . . |
E02F 9/0866 | . . . | {Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment} [2013-01] |
E02F 9/0875 | . . . | {Arrangement of valve arrangements on superstructures (arrangement of hydraulic hoses E02F 9/2275 takes precedence; valves per se E02F 9/2267)} [2013-01] |
E02F 9/0883 | . . . | {Tanks, e.g. oil tank, urea tank, fuel tank (for vehicles in general B60K 15/00)} [2013-01] |
E02F 9/0891 | . . . | {Lids or bonnets or doors or details thereof (doors for cabins E02F 9/163 takes precedence; for motor vehicles B62D 25/10)} [2013-01] |
E02F 9/10 | . . | Supports for movable superstructures mounted on travelling or walking gears or on other superstructures [2013-01] |
E02F 9/12 | . . . |
E02F 9/121 | . . . . | {Turntables, i.e. structure rotatable about 360°} [2017-08] |
E02F 9/123 | . . . . . | {Drives or control devices specially adapted therefor (E02F 9/125 and E02F 9/128 take precedence)} [2013-01] |
E02F 9/125 | . . . . . | {Locking devices} [2013-01] |
E02F 9/126 | . . . . . | {Lubrication systems} [2013-01] |
E02F 9/128 | . . . . . | {Braking systems} [2013-01] |
E02F 9/14 | . | Booms {only for booms with cable suspension arrangements (for booms or manipulators with cable suspensions for suction pipes E02F 3/905 takes precedence; for booms per se E02F 3/38; E02F 3/34 for bucket-arms)}; Cable suspensions [2013-01] |
E02F 9/16 | . | Cabins, platforms, or the like, for drivers ({for motor vehicles in general B62D 33/06}, for cranes B66C 13/54) [2013-01] |
E02F 9/163 | . . | {Structures to protect drivers, e.g. cabins, doors for cabins; Falling object protection structure [FOPS]; Roll over protection structure [ROPS] (for handrails mounted on cabins E02F 9/0833 takes precedence; for vehicles in general B60R 21/11, B60R 21/13, for fork-lift trucks B66F 9/07545)} [2013-01] |
E02F 9/166 | . . | {movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins (seats for vehicles in general B60N 2/00)} [2013-01] |
E02F 9/18 | . |
E02F 9/20 | . |
E02F 9/2004 | . . | {Control mechanisms, e.g. control levers (control levers per se G05G)} [2013-01] |
E02F 9/2008 | . . . | {Control mechanisms in the form of the machine in the reduced scale model} [2013-01] |
E02F 9/2012 | . . . | {Setting the functions of the control levers, e.g. changing assigned functions among operations levers, setting functions dependent on the operator or seat orientation} [2013-01] |
E02F 9/2016 | . . | {Winches (winches per se B66D)} [2013-01] |
E02F 9/202 | . . |
E02F 9/2025 | . . | {Particular purposes of control systems not otherwise provided for (E02F 3/16, E02F 3/26, sub-groups of E02F 3/43, E02F 3/651, sub-groups of E02F 3/84, E02F 3/907, E02F 5/145 take precedence)} [2013-01] |
E02F 9/2029 | . . . | {Controlling 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 E02F 9/2203, E02F 9/2221 and E02F 9/2253 take precedence)} [2013-01] |
E02F 9/2033 | . . . | {Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin (sub-groups of E02F 3/431 of E02F 3/435 take precedence; for turntables E02F 9/123)} [2013-01] |
E02F 9/2037 | . . . | {Coordinating the movements of the implement and of the frame} [2013-01] |
E02F 9/2041 | . . . | {Automatic repositioning of implements, i.e. memorising determined positions of the implement (for dipper-arms or bucket-arms E02F 3/434, E02F 3/437, E02F 3/438, E02F 3/439 take precedence)} [2013-01] |
E02F 9/2045 | . . . | {Guiding machines along a predetermined path (for graders E02F 3/841; machines for construction of roads E01C 19/004)} [2013-01] |
E02F 9/205 | . . . | {Remotely operated machines, e.g. unmanned vehicles (E02F 3/8866 takes precedence)} [2013-01] |
E02F 9/2054 | . . . | {Fleet management} [2013-01] |
E02F 9/2058 | . . | {Electric or electro-mechanical or mechanical control devices of vehicle sub-units (for vehicles in general B60W)} [2013-01] |
E02F 9/2062 | . . . | {Control of propulsion units (for control of the prime mover depending on the load in a hydraulic or pneumatic drive E02F 9/2246)} [2013-01] |
E02F 9/2066 | . . . . | {of the type combustion engines} [2013-01] |
E02F 9/207 | . . . . | {of the type electric propulsion units, e.g. electric motors or generators} [2013-01] |
E02F 9/2075 | . . . . | {of the hybrid type (for vehicles in general B60W 20/00)} [2013-01] |
E02F 9/2079 | . . . | {Control of mechanical transmission (for hydrostatic transmission or hydraulic torque converter E02F 9/2253)} [2013-01] |
E02F 9/2083 | . . . | {Control of vehicle braking systems} [2013-01] |
E02F 9/2087 | . . . | {Control of vehicle steering (for steering with hydraulic or pneumatic drives E02F 9/225)} [2013-01] |
E02F 9/2091 | . . . | {Control of energy storage means for electrical energy, e.g. battery or capacitors (energy recovery arrangements in hydraulic or pneumatic drives E02F 9/2217)} [2013-01] |
E02F 9/2095 | . . . | {Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans (control of hydraulic driven equipment E02F 9/22)} [2013-01] |
E02F 9/22 | . . | Hydraulic or pneumatic drives {(for dipper or bucket arm position control E02F 3/43, for blade position control for graders E02F 3/844; for turntables E02F 9/121; for fork-lift trucks B66F 9/22)} [2013-01] |
E02F 9/2203 | . . . | {Arrangements for controlling the attitude of actuators, e.g. speed, floating function} [2013-01] |
E02F 9/2207 | . . . . | {for reducing or compensating oscillations} [2013-01] |
E02F 9/221 | . . . . | {for generating actuator vibration (buckets with vibrating means E02F 3/405)} [2013-01] |
E02F 9/2214 | . . . . | {for reducing the shock generated at the stroke end} [2013-01] |
E02F 9/2217 | . . . | {with energy recovery arrangements, e.g. using accumulators, flywheels} [2013-01] |
E02F 9/2221 | . . . | {Control of flow rate; Load sensing arrangements (E02F 9/2203 take precedence over E02F 9/2221)} [2013-01] |
E02F 9/2225 | . . . . | {using pressure-compensating valves} [2013-01] |
E02F 9/2228 | . . . . . | {including an electronic controller} [2013-01] |
E02F 9/2232 | . . . . | {using one or more variable displacement pumps} [2013-01] |
E02F 9/2235 | . . . . . | {including an electronic controller} [2013-01] |
E02F 9/2239 | . . . . | {using two or more pumps with cross-assistance} [2013-01] |
E02F 9/2242 | . . . . . | {including an electronic controller} [2013-01] |
E02F 9/2246 | . . . | {Control of prime movers, e.g. depending on the hydraulic load of work tools} [2013-01] |
E02F 9/225 | . . . | {Control of steering, e.g. for hydraulic motors driving the vehicle tracks (steering in general B62D)} [2013-01] |
E02F 9/2253 | . . . | {Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission} [2013-01] |
E02F 9/2257 | . . . | {Vehicle levelling or suspension systems (suspensions for vehicles in general B60G)} [2013-01] |
E02F 9/226 | . . . | {Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating} [2013-01] |
E02F 9/2264 | . . . | {Arrangements or adaptations of elements for hydraulic drives} [2013-01] |
E02F 9/2267 | . . . . | {Valves or distributors (position of valves arrangements on upper-structures E02F 9/0875)} [2013-01] |
E02F 9/2271 | . . . . | {Actuators and supports therefor and protection therefor} [2013-01] |
E02F 9/2275 | . . . . | {Hoses and supports therefor and protection therefor} [2013-01] |
E02F 9/2278 | . . . | {Hydraulic circuits} [2019-08] |
E02F 9/2282 | . . . . | {Systems using center bypass type changeover valves} [2013-01] |
E02F 9/2285 | . . . . | {Pilot-operated systems} [2013-01] |
E02F 9/2289 | . . . . | {Closed circuit} [2013-01] |
E02F 9/2292 | . . . . | {Systems with two or more pumps} [2013-01] |
E02F 9/2296 | . . . . | {Systems with a variable displacement pump} [2013-01] |
E02F 9/24 | . |
E02F 9/245 | . . | {for preventing damage to underground objects during excavation, e.g. indicating buried pipes or the like (detection of pipes in the ground F16L 1/11)} [2013-01] |
E02F 9/26 | . |
E02F 9/261 | . . | {Surveying the work-site to be treated} [2013-01] |
E02F 9/262 | . . . | {with follow-up actions to control the work tool, e.g. controller} [2013-01] |
E02F 9/264 | . . | {Sensors and their calibration for indicating the position of the work tool} [2013-01] |
E02F 9/265 | . . . | {with follow-up actions (e.g. control signals sent to actuate the work tool)} [2013-01] |
E02F 9/267 | . . | {Diagnosing or detecting failure of vehicles} [2013-01] |
E02F 9/268 | . . . | {with failure correction follow-up actions} [2013-01] |
E02F 9/28 | . | Small metalwork for digging elements, e.g. teeth {scraper bits (ploughs for agriculture A01B 15/00; teeth of harrows A01B 23/02)} [2013-01] |
E02F 9/2808 | . . | {Teeth} [2013-01] |
E02F 9/2816 | . . . | {Mountings therefor} [2013-01] |
E02F 9/2825 | . . . . | {using adapters} [2013-01] |
E02F 9/2833 | . . . . | {Retaining means, e.g. pins} [2013-01] |
E02F 9/2841 | . . . . . | {resilient} [2013-01] |
E02F 9/285 | . . . | {characterised by the material used} [2013-01] |
E02F 9/2858 | . . . | {characterised by shape} [2013-01] |
E02F 9/2866 | . . | {for rotating digging elements (for milling machines B28D 1/186; for mining machines E21C 35/18)} [2013-01] |
E02F 9/2875 | . . | {Ripper tips} [2013-01] |
E02F 9/2883 | . . | {Wear elements for buckets or implements in general} [2013-01] |
E02F 9/2891 | . . | {Tools for assembling or disassembling} [2013-01] |