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| Number | Title | Issue Date |
| 7575076 | Link-type double track mechanism for mobile robot The present invention relates to a design of a driving mechanism for a vehicle to move through uneven terrain including stairways. The link-type double track mechanism in accordance with the present invention comprises: front and rear track driving sections; a built... | 08/18/2009 |
| 7475745 | High mobility vehicle An embodiment of a high-mobility vehicle comprises a vehicle body, a track assembly attached to the vehicle body, arms pivotally attached to the vehicle body, and trackless drive wheels mounted on distal ends of the arms. Another embodiment of a high-mobility vehicl... | 01/13/2009 |
| 7434897 | Endless track constructed from vehicle tire Endless tracks constructed from the casing of a vehicle tire by removing the casing sidewalls. The track is installed “as is” over pneumatic tires which are mounted in a frame that allows the axle centerline of the tires to be skewed relative to each other so th... | 10/14/2008 |
| 7384046 | Powered wheeled vehicle capable of travelling on level ground, over uneven surfaces and on stairs Powered wheeled vehicle (1), capable of travelling both on level ground and over uneven surfaces, comprising at least one driving tread (BR11) as well as two pairs of front wheels (R61) and rear wheels (R21), of which at least one is a dr... | 06/10/2008 |
| 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 |
| 7017688 | Independent suspension for multi-use vehicle A half-track vehicle includes a frame, first and second beams having forward and rearward wheels attached thereto, and first and second suspension systems. The frame includes a first side and a second side, and the first suspension system suspends the first beam fro... | 03/28/2006 |
| 6945342 | Track drive undercarriage device, kit and method A track drive undercarriage device, a kit for the device, and a method of using the same are described attached to a chassis of a heavy construction work vehicle for operationally connected to a transmission and drive shaft of the construction vehicle. The device is... | 09/20/2005 |
| 6854540 | Rail track vehicle A track vehicle employing a rail track system attached to the sides of the frame of a track vehicle having a continuous track driven by pneumatic tires mounted to the frame proximate each end of the rail system along such that triangular torsion and compression link... | 02/15/2005 |
| 6776248 | Four wheel drive motorized carrier A four wheel drive carrier having a frame and a carrier body secured to the frame. The carrier body has brake and movement control apparatus secured therein. A pair of wheels and a pair of wheel tracks are secured to the frame for forward and reverse propulsion. A d... | 08/17/2004 |
| 6470987 | Motorcycle ski A ski that attaches to the front of a motorcycle. The ski is designed to pivot, allowing it to be used automatically when needed to keep the front tire from sinking. Unlike other skis, this ski does not interfere with normal operations of the motorcycle. ... | 10/29/2002 |
| 6408964 | Wheel and track driving equipment Disclosed is wheel and track equipment in which the running components (e.g., wheels) only used in normal vehicles are incorporated with those (e.g., tracks) used in special-purpose vehicles to provide a selective driving relationship and thereby enable a... | 06/25/2002 |
| 6408963 | Vehicle with counterbalance structure for offsetting longitudinally off-center loads The present invention relates to a vehicle that has a frame, a driving track assembly, and a pair of secondary driving assemblies mounted on opposing lateral sides of the track assembly. More specifically, the present invention relates to a vehicle that h... | 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 |
| 6155363 | Crawler belt vehicle A crawler belt vehicle comprises a chassis, a pair of first wheels mounted on the chassis, a pair of second wheels mounted on the chassis, a pair of crawler belts each trained around the first pair of wheels and the second pair of wheels, and a pair of eq... | 12/05/2000 |
| 6155362 | Dolly system with a motorized rolling track A dolly system with a motorized rolling track is disclosed. The dolly system includes a dolly having two generally vertically extending side rails. An L-shaped support is provided at its lower end thereof and a cross brace is provided adjacent to its uppe... | 12/05/2000 |
| 5975226 | Crawler belt vehicle A crawler belt vehicle comprises a chassis having a first end portion and a second end portion, first wheels mounted on the first end portion of the chassis for rotation, a swing arm having a front end and a rear end mounted on the second end portion of t... | 11/02/1999 |
| 5575347 | Suspension device for crawler vehicle A suspension device in a crawler vehicle has a vehicle body, a pair of parallel spaced swing beams mounted on a rear portion of the vehicle body by a suspension for angular movement about a first axis located substantially longitudinally centrally thereof... | 11/19/1996 |
| 5287938 | Vehicle suitable for on- and off-road use A vehicle suitable for on-and off-road use has a track drive with auxiliary frames mounted under the vehicle frame between front and rear wheels, the auxiliary frames having continuous tracks on carrier wheels driven by hydraulic motors, each auxiliary fr... | 02/22/1994 |
| 5186270 | Omnidirectional vehicle The invention provides controlled omnidirectional relative movement between a device and a selected surface in contact therewith. The device is preferably a vehicle having a first and second track mounted thereto, which tracks are parallel and spaced from... | 02/16/1993 |
| 4865142 | Load carry caterpillar and front wheel driven steerable vehicle A load-carrying vehicle is disclosed which has a chassis over which a load-carrying bucket or platform is fixed and which is, itself, mounted on a track drive. A motor assembly is mounted at the front of the chassis and the latter further has a bridge str... | 09/12/1989 |
| 4821824 | Auxiliary traction system An attachment for tractors is mounted on the tractor frame, and provides an endless track system for supporting and driving the tractor through power supplied with chains engaging sprockets secured to the conventional drive wheels. The position of the tra... | 04/18/1989 |
| 4598783 | Traction device for vehicles A traction device for a vehicle which includes in a first embodiment, an endless belt mounted on a pair of rotating drums located beneath the vehicle and fitted with multiple angle plates for engaging the crown of the road when the ruts are of such depth ... | 07/08/1986 |
