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| Number | Title | Issue Date |
| 8056655 | Endless belt drive for a vehicle A drive system has a drive-system frame operatively connectable to a vehicle. The drive-system frame is capable of pivotal movement relative to the longitudinal axis of the vehicle to steer the vehicle. The drive-system frame is incapable of pivotal movement with re... | 11/15/2011 |
| 8042629 | Snow traction unit for vehicles A snow traction unit to replace a wheel of an all wheel drive vehicle which includes a frame supporting two carrier wheels; said carrier wheels being spaced apart a distance greater than their combined radii; an endless snow contacting track mounted for rotation on ... | 10/25/2011 |
| 8042628 | Vehicle body and assembly method A vehicle, having a main body is equipped to be fitted mechanically with devices to form a wheeled vehicle, or with devices to form a crawler vehicle. The main body having of the vehicle houses the common components utilized in both configurations such as the... | 10/25/2011 |
| 7921942 | Amphibious all terrain vehicle with track assemblies An amphibious all terrain vehicle having a body and at least three wheel and axle assemblies on each side and a pair of ground engaging track assemblies which are mounted on tires on either side of the vehicle. Each of the wheel and axle assemblies include an axle s... | 04/12/2011 |
| 7874387 | Track extension for vehicle track systems and method A track extension in combination with a track system comprises a track system having a track frame, wheels mounted to the frame and adapted to allow cyclic movement of a track about the frame, drive means in the frame adapted to transmit a drive of a vehicle to the ... | 01/25/2011 |
| 7866421 | Automated remote carriage for tightening generator wedges A remote-controlled dynamoelectric machine maintenance vehicle that can fit and travel within the air gap between a stator and rotor of a dynamoelectric machine. The maintenance vehicle has an effectuator that can remotely attach to an adjustable wedge within a coil... | 01/11/2011 |
| 7712557 | Endless belt drive for a vehicle An endless belt system for a vehicle having a negative trail steering geometry is provided. The endless belt system replaces the wheels that steer a vehicle, particularly an all-terrain vehicle, to provide increased steerability and floatation over soft terrain.... | 05/11/2010 |
| 7673711 | Tracked vehicle The present invention relates generally to recreational vehicles. More particularly, the present invention relates to methods and apparatus for traversing challenging terrain with a recreational vehicle. A vehicle in accordance with an exemplary embodiment of the pr... | 03/09/2010 |
| 7628235 | Track roller unit A track roller unit for a vehicle has at least one pivotable subframe, at least one further pivotable subframe, wherein each of the subframes rotatably accommodates at least one land wheel, at least one subframe is pivotably mountable on the vehicle, and at least th... | 12/08/2009 |
| 7546890 | Motor vehicle with an additional crawler undercarriage A motor vehicle with an additional crawler undercarriage includes assemblies to reduce the load pressure transferred to the ground and to improve off-road performance. The assemblies include components used in conventional mass-produced vehicles, with a chassis (... | 06/16/2009 |
| 7389846 | Personal all terrain vehicle A personal all-terrain vehicle is provided which is suitable for driving between rows of a vineyard for trimming vines. The vehicle includes a frame and an engine. A driver seat of the vehicle is positioned at an end of the frame beyond the wheels of the vehicle in ... | 06/24/2008 |
| 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 |
| 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 |
| 7229023 | Radio and optical identification tags An identification tag is formed with a single microcircuit. The microcircuit includes an optical transceiver, a radio transceiver, both connected to a memory storing an identification code. At least one of the transceivers operates in receive mode, and at least one ... | 06/12/2007 |
| 7222924 | Track system for a ground engaging vehicle A track system for a ground engaging vehicle such as a tractor is provided. Track systems shown include the ability to maintain existing gear ratios and vehicle speed when interchanging wheels with track systems as described above. Embodiments shown also exhibit imp... | 05/29/2007 |
| 7201242 | 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... | 04/10/2007 |
| 7200981 | Support wheel arrangement for agricultural working machine, and agricultural working machine provided therewith A supporting arrangement for an agricultural working machine with at least one receiving device for receiving an agricultural working device has at least one support wheel arrangeable in a region facing the agricultural working device, the at least one support wheel... | 04/10/2007 |
| 7201055 | Ultrasonic miniature air gap inspection crawler A miniature air gap inspection crawler. The miniature air gap inspection crawler may include a base, a linear drive mechanism and a circumferential drive mechanism such that either the linear drive mechanism or the circumferential drive mechanism may be employed, an... | 04/10/2007 |
| 7188693 | Frame construction for a vehicle A frame assembly is described including a tunnel, an engine cradle disposed forward of the tunnel and connected thereto, and a sub-frame disposed forward of the engine cradle and connected thereto. A forward support assembly extends upwardly from the subframe. An up... | 03/13/2007 |
| 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 |
| 7156185 | Soil stabilizer with track apparatus A soil stabilizer treating earth includes a stabilizer frame, a rotor rotatably mounted thereon and including a cutting tool for cutting earth and being movable such that the rotor may engage various depths of earth, a rotatable axle, and a track apparatus mounted o... | 01/02/2007 |
| 7131508 | Terrain conforming track assembly An endless track assembly that mounts to a wheeled vehicle. The assembly provides 1) a track suspension having fixed or adjustable, independently biased sets of idler wheels to vary the track contour without affecting track tension, 2) an eccentric bearing housing a... | 11/07/2006 |
| 7124848 | Frame construction for a vehicle A frame assembly is described including a tunnel, an engine cradle disposed forward of the tunnel and connected thereto, and a sub-frame disposed forward of the engine cradle and connected thereto. A forward support assembly extends upwardly from the subframe. An up... | 10/24/2006 |
| 7111697 | Chassis supported track assembly An endless track assembly wherein the weight of an associated vehicle/equipment is supported by the track framework. The track assembly provides a framework having a number of idler rollers and a drive sprocket that mounts to a rotational drive power source. The wei... | 09/26/2006 |
| 7086806 | Method for asphalt compaction and compaction apparatus A method of compacting a mat of hot mix asphalt which has been laid by an advancing asphalt paver, the method comprising advancing an asphalt compactor over the laid asphalt such that a compaction surface of the compactor, formed by a lower run of at least one belt,... | 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 |
| 7083012 | Motorized traction device for a patient support A patient support including a propulsion device for moving the patient support. The patient support includes a propulsion system having a propulsion device operably coupled to an input system. ... | 08/01/2006 |
| 7063639 | Snowmobile planetary drive system Disclosed is a snowmobile including a reduction drive system including planetary gears. In an alternate embodiment, a reversing unit is provided. In a further alternate embodiment, an offset is provided in the drive system. ... | 06/20/2006 |
| 7063395 | Laterally reinforced endless belt track There is provided an endless track belt laterally reinforced by embedding high elongation cords on each peripheral sides of the endless track belt to prevent cuts formed on the periphery of the belt by sharp objects from propagating further towards the inner width o... | 06/20/2006 |
| 6981563 | Vehicle drive device with flexible crawler and vehicle thus obtained The drive device of the invention comprises a ready to fit unit or kit, for installing in a detachable manner on one side of a chassis of a motor vehicle. The unit comprises a flexible crawler looped round a drive wheel adapted to be mounted on a drive hub of the ve... | 01/03/2006 |
| 6974196 | Endless track for industrial or agricultural vehicles Described is an endless track for an industrial or agricultural vehicle consisting of a body formed of a rubber material having an outer surface displaying a series of ground engaging profiles longitudinally spaced along the surface and an inner surface displaying a... | 12/13/2005 |
| 6962222 | Mobile agricultural machinery A mobile agricultural machine, particularly for use as a combine, which demonstrates improved operational movement and travel performance characteristics, and is capable of easily changing direction during operation, includes right and left travel crawlers, supporte... | 11/08/2005 |
| RE38858 | Frictionally driven belted work machine An elastomeric belt laying vehicle is disclosed 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. A pair of the wheels ... | 11/01/2005 |
| 6926105 | Chassis supported track assembly An endless track assembly wherein the weight of an associated vehicle/equipment is supported by the track framework. The track assembly provides a framework having a number of idler rollers and a drive sprocket that mounts to a rotational drive power source. The wei... | 08/09/2005 |
| 6907946 | Brake system for a tracked vehicle A direct braking of a drive shaft for a tracked vehicle that moves on rotating track(s). A disc brake is connected to the same drive shaft that has sprocket(s) for engaging the track(s). Upon activation by a vehicle driver, opposing pistons engage the disc to retard... | 06/21/2005 |
| 6905182 | Elastic crawler An elastic crawler has a crawler body formed like an endless belt out of an elastic material, a plurality of driving projections provided on an inner circumferential surface of the crawler body with a predetermined pitch in the circumferential direction thereof, and... | 06/14/2005 |
| 6904986 | Terrain conforming track assembly An endless track assembly that mounts to a wheeled vehicle. The assembly provides 1) a track suspension having fixed or adjustable, independently biased sets of idler wheels to vary the track contour without affecting track tension, 2) an eccentric bearing housing a... | 06/14/2005 |
| 6889783 | Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces A remote controlled inspection vehicle provides interchangeable modules, permitting the vehicle to be easily configured to perform a wide variety of tasks. The vehicle includes at least one frame module having a pair of drive modules on either side. Each drive modul... | 05/10/2005 |
| 6870343 | Integrated, proportionally controlled, and naturally compliant universal joint actuator with controllable stiffness An apparatus for traversing obstacles having an elongated, round, flexible body that includes a plurality of segments interconnected by an integrated joint actuator assembly. The integrated joint actuator assembly includes a plurality of bellows-type actuators indiv... | 03/22/2005 |
| 6857816 | Roller A roller is equipped with a pair of crawlers. Each crawler includes a driving wheel detachably attached to a driving shaft. Each crawler also includes a set of driven wheels. Both sets of driven wheels are supported by a connecting member that is detachably attached... | 02/22/2005 |
