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| Number | Title | Issue Date |
| 7357201 | Kit for converting vehicle to tracked driven snow vehicle The invention is a conversion kit for converting a conventional two-wheeled vehicle, such as a bicycle or motorcycle, into a tracked vehicle for use on snow, mud and sand. The kit converts the vehicle without major modifications to the vehicle, and the vehicle may b... | 04/15/2008 |
| 7343991 | Electrically driven track wheels for tracked vehicles An electrically driven wheel for a tracked vehicle which includes a driving track wheel with built in cogs and a brushless DC motor having a mounting shaft to connect the wheels to the tracked vehicle. The brushless DC motor is coupled within the driving track wheel... | 03/18/2008 |
| 7328760 | Semi tracked-type working vehicle A semicrawler-type working vehicle is provided having a vehicle body (3), a front steering control wheel (7) arranged at a front side of the vehicle body, a drive shaft (26) and a pivot shaft (22) arranged at a rear side of the vehicle bo... | 02/12/2008 |
| 7316458 | Ventilating wheel for snowmobile slide rail suspension system A ventilating wheel provides a plurality of angled vanes extending from a hub. The ventilating wheel secures to the slide rail of a snowmobile suspension system. An endless track extends over the underside of the slide rail. A Hyfax may secure to the slide rail inte... | 01/08/2008 |
| 7255184 | Track assembly A track assembly having first and second hub assemblies that are operatively connected to a support frame by first and second attachment members, respectively. The first and second attachment members include resilient or movable mounts that are configured so that th... | 08/14/2007 |
| 7229140 | Pre-tensioned spring track tensioning system A pretensioned spring track tensioning system provides a two stage loading of a tension roller on the interior of a vehicle drive track. The two stage loading first loads the track under a lower tension load for normal operation, but when the track is highly loaded,... | 06/12/2007 |
| 7214157 | Gear unit lubrication A gear unit includes a planet gear rotatable about a sun gear and supported by a planet carrier, the planet carrier including an annular formation for flow of lubricant and which is substantially concentric with the major axis about which the planet carrier is rotat... | 05/08/2007 |
| 7182165 | Snow cycle A snow cycle includes a conventional motorcycle chassis having a set of steerable front forks and a rear swing arm, which normally mount front and rear wheels of the cycle, respectively. A snow track module is mounted to the rear swing arm and has an endless track d... | 02/27/2007 |
| 7114788 | Angled traction lugs for endless band This invention refers to the traction lugs of reinforced elastomeric endless traction bands, and more particularly to those which are used on heavy vehicles like defense vehicles or for skid steer vehicles. More specifically, the invention relates to traction lugs w... | 10/03/2006 |
| 7086490 | Tracked vehicle A tracked vehicle has smooth driving and idler wheels (6, 7, 8, 9), which frictionally transmit the tractive force to tracks (3, 4), e.g. rubber tracks, and which are mounted on a frame (3) of the vehicle which carries at least one driving engin... | 08/08/2006 |
| 7083241 | Track tensioner for a wheel-driven skid steer A track tensioner for a drive track of a work machine includes biasing element configured to urge an idler wheel into contact with the drive track. The biasing element may include an air spring. ... | 08/01/2006 |
| 7059434 | Hand controls for small loader A control system for a small work vehicle such as a compact track propelled loader has a control handle that is mounted onto a swinging support plate. The support plate swings about a vertical axis positioned forwardly of the control handle, and the control handle i... | 06/13/2006 |
| 6968914 | Tracked vehicle with improved track drive unit An all-terrain vehicle is supported and driven by endless track units. Each track unit includes a drive belt with rows of interior drive lugs driven by cogs on multiple sprocket wheels of a common drive wheel assembly having an integrated, one-piece drum and hub. Mu... | 11/29/2005 |
| 6929335 | Crawler shoe with peening pads in roller path Each crawler shoe comprises a main body having an upper surface, a lower surface, and opposite lateral sides and opposite front and rear sides. Each crawler shoe further includes a mechanism on the main body for articulately and releasably connecting the crawler sho... | 08/16/2005 |
| 6923107 | Armored vehicle, especially combat tank An armored vehicle, especially combat vehicle, having an outer wall (1) in which is disposed an air inlet opening (2) behind which a radiator is positioned in the interior of the vehicle. To produce a ballistic protective device at the air inlet openin... | 08/02/2005 |
| 6880763 | Hitch assisting device and method A hitch assisting device and method includes a generally planar member having an upper surface and a bottom surface. The planar member has a front edge and a back edge. The upper surface has at least one depression positioned therein. The depression extends between ... | 04/19/2005 |
| 6761235 | Machine frame assembly for a track-type machine A machine frame assembly is provided that includes a machine frame, a hollow pivot shaft attached to the machine frame and configured to support a drive assembly for a track-type machine to allow pivotal movement of the drive assembly relative to the machine frame, ... | 07/13/2004 |
| 6655482 | Drive assembly for a track-type machine A drive assembly is provided that includes a roller frame, a motor located on the roller frame, and a drive system located on the roller frame. The drive assembly may also include an endless track configured to be driven by the drive system and adaptable ... | 12/02/2003 |
| 6527072 | Tracked vehicle with drive unit The invention relates to a tracked vehicle (10) comprising tracks (38) which are driven, a drive unit (28, 28) for each driven track (38), containing a drive wheel (52) which engages in said track (38), an electric motor (18, 20), a drive train (30, 32) w... | 03/04/2003 |
| 6435292 | Suspension and drive mechanism for a multi-surface vehicle A tracked vehicle produces a pressure no more than 3 psi on the ground by increasing the number of contact points on the inner surface of the track. The stiffness of the track is also selected to minimize bowing between the idler wheels or rollers. The tr... | 08/20/2002 |
| 6408965 | Hydraulic track drive with hydraulic track tensioners A light weight track drive mechanism that provides a large track drive surface area while maintaining a low weight to track contact surface area ratio so that the track drive could operate on soils with low support qualities. In addition, the track drive ... | 06/25/2002 |
| 6318483 | Disengageable drive arrangement for an all terrain vehicle having both tracks and wheels A drive arrangement for a remotely controlled unmanned ground vehicle which has both tracks and wheels. The track drive and the wheel are both connected to a drive shaft assembly which includes a spring loaded axially movable splined shaft engagable and d... | 11/20/2001 |
| 6318200 | Triple reduction final drive assembly A triple reduction final drive assembly for a work vehicle comprises a first input spur gear, a first cluster gear, a second cluster gear and an output spur gear that are located in a housing. The output spur gear is provided with an output shaft which is... | 11/20/2001 |
| 6315622 | Amphibious vehicle chassis The chassis connects adjacent flotation members each having supports projecting therefrom for attaching to the chassis. The chassis includes a pair of beams having opposite ends and sides with an end flange affixed to the ends of the beams. A plate is aff... | 11/13/2001 |
| 6220378 | Drive mechanism for a track type work machine having enhanced durability A drive mechanism includes a sprocket drive assembly which includes a hub, and a plurality of engagement members each being supported by the hub. The drive mechanism further includes a track assembly having a plurality of shoes which are secured to one an... | 04/24/2001 |
| 6070683 | Power transmission system An arrangement for removably attaching a drive shaft of a track belt to an output shaft of a transmission allows the drive shaft to be mounted and removed easily and rapidly with respect to the output shaft. A driving pulley of a V-belt transmission is mo... | 06/06/2000 |
| 6050355 | Modular crawler system A modular crawler system for moving heavy objects comprises multiple crawlers that can be controlled independently of each other. Each crawler has a pair of tracks that are controllable independently of each other to enable the crawler to travel in straig... | 04/18/2000 |
| 5928099 | Crawler drive unit A crawler drive unit for propelling a construction machine such as a shovel-type excavator having a pair of crawler track assemblies comprises a hydraulic motor (11) and a speed reducer (12), the latter including a stationary carrier (29) having carrier p... | 07/27/1999 |
| 5927413 | Crawler belt drive apparatus for crawler type vehicles A crawler belt drive apparatus which can reduce meshing noises of drive sprocket and crawler belt in a reliable manner over a long period of time. An annular link guide member is provided on a housing of a reducer concentrically with the drive sprocket. A... | 07/27/1999 |
| 5924503 | Offset work vehicle drive system A drive system for a work vehicle is provided having a differential gearbox with an output pinion coupled to a bull gear where the bull gear is coupled to an axle and the axle rotates about an axis below that of the bull pinion's rotational axis. The axle... | 07/20/1999 |
| 5740875 | Tracked vehicle drive system An efficient direct drive system is featured which is easier to maintain than conventional systems. The system includes a drive assembly which employs a hydraulic motor to rotate a shaft assembly and power most or all of the drive chains of the vehicle's ... | 04/21/1998 |
| 5401218 | Outboard planetary gear assembly for tracked vehicles A track vehicle drive train, with a differential and outboard planetary gears driven by the differential has an outboard planetary housing containing the planetary gears. The planetary housing has a drive ring integral with it and extending circumferentia... | 03/28/1995 |
| 5064011 | Crawler-propelled truck A crawler-propelled truck includes a chassis frame assembly, an engine mounted on the chassis frame assembly and having a substantially vertical crankshaft, a gear transmission case having an upper portion coupled to the engine and housing a gear transmis... | 11/12/1991 |
| 4981188 | All terrain off road vehicle An all weather, all terrain, amphibious tracked vehicle for riding and operation by one or a small number of persons. The vehicle includes a main frame structure made of strong but light weight plastic or metal and having the general shape of an elongated... | 01/01/1991 |
| 4739852 | Final drive mechanism for a vehicle A final drive mechanism for an earthmoving excavator or the like includes a drive wheel assembly defining an inner side portion, and outer side portion, and a shaft assembly releasably connecting the side portions together and defining an annular gap ther... | 04/26/1988 |
| 4708218 | Drive bogie for a crawler vehicle and a crawler mat for use therewith A drive bogie for a crawler vehicle. The bogie comprises carrying wheels freely rotatably suspended on a solid or divided bogie beam. An endless crawler mat passes over the carrying wheels. At least one drive roll is provided, which drives the crawler mat... | 11/24/1987 |
| 4671369 | Stair-climbing wheelchair with means for cushioning vertical movements thereof A stair-climbing wheelchair having wheels defining a first wheel base and a pair of endless, flexible tracks providing a second wheel base, there being a motor-driven structure for moving the tracks into and out of ground-engaging positions. A first pivot... | 06/09/1987 |
| 4620602 | Track drive converter A track drive converter for two or four wheel driven vehicles is disclosed. The converter has three interworking elements: a track, a wheel disc and a roller assembly. Each set of tires on a vehicle's side is overfitted with one track. Each wheel is fitte... | 11/04/1986 |
| 4583428 | Wheel hub with integral planetary speed reducer The invention provides a modification to a wheel hub of the kind comprising hollow body housing a wheel speed reducer having a pinion carrier which is locked for rotation with the hollow body. According to the invention, splined mounting means is provided... | 04/22/1986 |
| 4574900 | Drive mechanism for track-type vehicle A drive mechanism for a track-type vehicle has a mechanism for providing selective and facilitated assembly and disassembly thereof. The drive mechanism comprises a first housing which houses a steering clutch and brake assembly and defines a first annula... | 03/11/1986 |
