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WO/1987/002634A1 |
A tracked vehicle with a rearwardly extending ram (13) and an energizing means (14) for the ram, for assisting the vehicle in mounting precipitous objects. A preferred vehicle configuration uses only three, track direction changing rolle...
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WO/1987/002636A1 |
A wide track vehicle with improved skid steering by having a chassis (1) supported upon two independently drivable tracks (2) by side support wheels (3) engaged with each track adjacent the outer edges only. Downwardly projecting rubbing...
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WO/1987/002635A1 |
A tracked vehicle of narrow aspect suitable for unmanned operation both in hazardous environments and on routes normally accessible only to pedestrians, comprises two identical vehicle units (1, 2) each having an independently drivable, ...
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WO/1987/002637A1 |
A track shoe deflection limiter (28) is fastened to each outboard edge portion (24, 26) for each track shoe (18) of an endless track assembly (10). Each deflection limiter (28) has a first arm portion (30) and a second arm portion (32). ...
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WO/1987/000496A1 |
An articulated element of a track comprising two parallel faces consisting of two superimposed parts with holes for articulation bolts. The contact sides of the articulation parts have teeth which mesh with one another and move parallel ...
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WO/1987/000497A1 |
A track-tensioning, spring and shock-absorbing device for track-laying vehicles, in which the tracks run over rollers carried by a frame, over a non-driven guide wheel movable on the frame and a track drive wheel seated on the final driv...
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WO/1986/006038A1 |
A mattress construction for a pneumatic mattress track system, where the mattress is in the form of discrete bags (5). The bags (5) are equipped with flexible diagonal supports (9), through which the mattress can withstand higher pulling...
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WO/1986/005456A1 |
In order to reduce vibration in tracked vehicles operated at relatively high speeds a gear linkage is provided for the sprocket shaft of the sprocket wheel which engages the links of the endless tracks. The gear teeth of the gear linkage...
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WO/1986/004310A1 |
A slave unit for connection to a prime mover vehicule so as to supplement the tractive effort of the vehicle. The slave unit (30) has an engine for driving wheels (34) or tracks. Drive to the wheels is controlled by a control circuit in ...
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WO/1986/001478A1 |
An add-on track system for an all terrain vehicle. ATV tires are very soft and flexible, and apt to climb out of a track if the track is not properly located. The invention has a track segment (17) with arms (19) protruding up from the s...
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WO/1985/005579A1 |
A track joint (10) is provided with a controlled running clearance means of a controlled interstice producing membrane (60) placed between the opposing axial thrust surfaces (26, 28; 52, 58) of the joint (10). The membrane (60) is of a s...
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WO/1985/005605A1 |
A hydropneumatic suspension or shock-absorber system (1), in particular for heavy motorized vehicles, with a spring element which comprises a casing (2) for a spring bellows (20) filled with a hydraulic medium and offering a flow-connect...
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WO/1985/005330A1 |
A drive mechanism (10) for rotating a pair of tandem wheel assemblies (24, 26) journalled on a centrally pivoted tandem drive housing (16). A jointless elastomeric belt (82) extends about the wheel assemblies which are driven by two chai...
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WO/1985/003680A1 |
A sealed pivot joint suitable for joining together the adjacent links of an endless belt, for example, a tank track. The joint has a bearing (10) rotatable on a pin (8), and an elastic sleeve (20) whose extremities are in sealed relation...
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WO/1985/002825A1 |
Roller suspension apparatus are useful for example in belted vehicles. The heretofore known roller suspension apparatus impart a shear force to the spring due to the geometry and the relationship between the roller mounting arms, the wal...
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WO/1985/002826A1 |
A belt tensioning mechanism (31) for use with a vehicle (10) having an axle (20) pivotably connected to a frame (14) of the vehicle with inextensible belts (26, 28) entrained about wheel assemblies (22, 24, 22', 24') mounted on either si...
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WO/1985/002824A1 |
An elastomeric belt laying vehicle (10) for transmitting greater tractive effort to the earth as compared to comparably powered wheel vehicles and being operable at high speed on improved road surfaces without inflicting damage thereto. ...
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WO/1985/002135A1 |
A vehicle (10) which is especially designed for carrying equipment for treating plane or curved or double-curved surfaces. The vehicle is provided with suction cups (17) for maintaining the vehicle pressed against a vertically extending ...
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WO/1985/001710A1 |
Pneumatic mattress track system to be used as construction element in vehicles. A soft airfilled mattress formed for instance by mattress bags (5) is automatically rolled out and serves as running surface and means of propulsion. The hul...
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WO/1985/000566A1 |
An endless drive system (22) suitable for use, for example, as a tracked vehicle drive system, an endless belt or an endless chain drive system. A number of endless drive sections (24) are interconnected by cable connector sections (26)....
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WO/1984/004075A1 |
A roadable track assembly (12) includes a plurality of track shoes (14) having a roadable grouser (20) bar attached to each shoe (14). The grouser bar (20) is of a size, shape, and material to provide good penetration and traction in mos...
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WO/1984/003921A1 |
A dual operating mode seal assembly (10) is provided wherein a frictional force maintains a seal ring (50) in a static sealing mode during dither movements of a member (16) being sealed to eliminate frictional and abrasive wear to the se...
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WO/1984/003676A1 |
Apparatus (10) for retaining a joint (12) of an endless track (14) for a crawler-type vehicle which includes a metal preform (64, 66) which is pressed into a retainer cavity (60, 62) surrounding and located at each of the ends of the joi...
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WO/1984/003131A1 |
A hydraulic damper has a rotor (38) with vanes (36) sweeping through respective working chambers (56, 54) defined by a stator ring (12) with integral stator abutments (50). An orifice (64) is formed in each vane to permit flow past each ...
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WO/1984/001923A1 |
Motor vehicle with at least one profiled rolling surface (11) with a transversal profiling, of which the profiled parts are provided as transverse ribs or the like (12, 13) in the running direction with intervals, said vehicle having goo...
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WO/1984/001136A1 |
A driving mechanism (1), particularly usable as a traction motor or as a servo motor, is of a particularly compact design and allows to use a flat, simple driving wheel such as for example a wheel-drum (4). The compact construction is ma...
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WO/1983/003803A1 |
In a track laying vehicle (10) a track tensioning apparatus wherein a track engaging idler (20) wheel is mounted to a cross member (82) for adjustment to tension the track by a piston (68) and cylinder (62). The cross member (82) is in t...
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WO/1983/003583A1 |
Roadable track shoes employed on track-type vehicles, such as an agricultural tractor, each include at least one elastomeric grouser having a steel anchor plate bonded thereto. Bolting of the anchor plate on a track shoe normally provide...
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WO/1983/003582A1 |
Roadable track shoes employed on track-type vehicles, such as a tractor, include an elastomeric grouser having a steel anchor plate bonded thereto. Bolting of the plate on a track shoe would normally provide bonded edges on the outer edg...
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WO/1983/003231A1 |
A coupling apparatus (32) releasably joins the ends of an endless track (12) of a track-type vehicle (10). The coupling apparatus (32) has first and second coupling assemblies (31,33) with each assembly having a pair of coupling members ...
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WO/1983/002597A1 |
The compaction of foreign materials in the track assembly (15) of a track-type vehicle (10) tends to subject the track assembly (15) to unduly high tensions. Such compaction can severely curtail the service lives of undercarriage compone...
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WO/1983/002596A1 |
A track-type vehicle (10) includes a track roller frame (13), a track idler (18) mounted forwardly on the track roller frame (13), and a recoil system (19) interconnected between the track roller frame (13) and the track idler (18). Conv...
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WO/1983/001234A1 |
A flexible cleaner-guard member (42) for a track assembly (12) of a vehicle (10) is connected to the vehicle (10) with a rigid portion (46) of the cleaner-guard (42) maintained in cleaning relationship with an idler wheel (20) of the tra...
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WO/1983/001214A1 |
Process of forging a sprocket segment for a track-type vehicle under-carriage. The forging process produces sprocket segments that conform to very restrictive tolerances without the necessity of additional machining or finishing. The pro...
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WO/1983/001045A1 |
A track-type vehicle undercarriage (12) having front and rear wheels (18, 21), a support frame (16), a roller assembly (24) attached to the support frame (16), an endless track (31), and an elastomeric guard (32) having first and second ...
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WO/1983/000469A1 |
The performance of prior tracked vehicles is limited by the ability of their undercarriage system to absorb mechanical shocks. The multiple roller bogey assembly of this invention improves the load sharing capabilities of the track rolle...
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WO/1982/004230A1 |
A forklift (10) having a chassis (11) which is supported by an endless track (14), the forklift (10) further includes a movable member (15) movably mounted on the chassis (11) and having a pair of tynes (16) adapted to engage a load, and...
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WO/1982/004297A1 |
A face seal assembly (10) having an intermediate seal ring (38). The intermediate seal ring (38) is disposed between a pair of opposing metal seal faces (36, 37) of the seal assembly (10) so that the faces (36, 37) contact opposite seali...
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WO/1982/004022A1 |
A terrain-travelling motor vehicle (1) has twin caterpillar tracks and bogie assemblies (2) pivotally attached to the frame (3) of the vehicle, comprising a rear pair of drive wheels (5) mounted on the frame (3) of the vehicle and a pair...
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WO/1982/003670A1 |
End face seal assemblies (10) are commonly used in severe service environments to exclude external contaminants from joints (12) between relatively movable members (14, 22) and to retain lubricants therein. Recurring problems associated ...
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WO/1982/003363A1 |
A sideboom crawler suspension in which the track roller frames (12, 14) disposed at either side of the crawler are braced by a special linkage (74, 80, 108) provided at each side to keep the track roller at that side from twisting out of...
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WO/1982/003050A1 |
A roadable track shoe grouser is provided for track-type vehicles, for example, tracked farm tractors, to prevent damage to finished road surfaces when driving such tractors upon such road surfaces. The grouser includes a rubber grouser ...
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WO/1982/002080A1 |
A seal apparatus (40) for sealing between relatively rotatable structures (12, 14) has a pair of seal rings (62, 64) which are engageable rt axial sealing face portions (70, 72). Axially facing surfaces (78, 80) of the first seal ring (6...
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WO/1982/001858A1 |
Debris deflector (30) primarily useful for vehicles (24) having wheels (14, 16) supporting an endless track (12). With no deflector (30) debris accumulates in the endless track (12) impeding vehicle performance. An inverted "V"-shaped el...
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WO/1982/001693A1 |
An idler recoil device (10) is utilized for track-type vehicles. The idler recoil device (10) protects a crawler track system (11) from damage when some foreign object, such as a rock, is trapped between an endless chain link assembly (2...
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WO/1982/001227A1 |
Spherical joints of the type pivotally connecting each end of an equalizer bar to a track roller frame of a track-type vehicle require positive sealing of the joints during operation of the vehicle wherein the joint undergoes compound mo...
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WO/1982/000810A1 |
Device for bogie mounting a single roller (94) to an idler (88) on a crawler track undercarriage (10) such that the benefits of load transfer and shock absorbanceare provided for a single roller-idler combination on a crawler track-type ...
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WO/1982/000866A1 |
A silent chain (12) has articulated sets (P1, P2) of links (24, 26, 28) with teeth (20) adapted for operative engagement with sprocket teeth (18). Each link (26, 28) has two teeth (20) that define at least one surface (36, 37, 38, 39) ad...
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WO1982000275A1 |
It is conventional practice to rigidly secure a hood assembly on an engine enclosure for a construction vehicle. The connection joints are thus subjected to undue bending stresses. This invention solves the above stress problem by attach...
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WO/1981/002873A1 |
The track assembly comprises a link hinged to connect both ends. Said link comprises a pair of flanges (1, 2) having overlapping portions which are provided with bores for the pin of the link (3, 10). The portions of the flanges abutting...
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