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| Number | Title | Issue Date |
| 7845443 | Low surface impact skid steered all terrain vehicle A low surface impact, skid steered, all terrain vehicle is disclosed which has a rectangular frame from which sets of tandem mounted, independently movable control arms are suspended. A hydraulic motor driven wheel axle is mounted on a lower end of each control arm ... | 12/07/2010 |
| 7413039 | Heavy vehicle Presented is a heavy vehicle, such as a transport vehicle or a civil engineering vehicle, of a mass greater than 500 metric tons. The vehicle is fitted with tires of radial structure having a diameter greater than 3.5 meters and an axial width greater than 37 inches... | 08/19/2008 |
| 7192040 | Drive mechanism for vehicle The present invention provides an electric-driven vehicle, which comprises a supporting platform and an upright tube, wherein the supporting platform has first and second ends and a longitudinal axis perpendicular to the first and second ends, the upright tube is fi... | 03/20/2007 |
| 7152866 | Steerable and liftable independent suspension system A liftable independent suspension system which may also be steerable. In a described embodiment, a liftable suspension system for use on a vehicle includes wheel spindles positioned to extend outwardly at each respective lateral side of the vehicle. The spindles are... | 12/26/2006 |
| 7093682 | Multi-combination vehicle incorporating a power trailer A multi-combination vehicle or road-train consisting of a powered prime mover, at least one powered trailer and which may include a number of non-powered trailers. The powered trailer includes a cooling system separated from the engine to provide improved cooling an... | 08/22/2006 |
| 7077410 | Vehicle suspension system A suspension system connects a wheel axle to a vehicle frame and includes a trailing arm connected at one end to the wheel axle. A pair of extension members are connected to the other end of the trailing arm and extend laterally in opposite directions along a pivot ... | 07/18/2006 |
| 7040428 | Chassis structure for a forest machine The invention relates to a chassis structure for a working machine moving on a terrain, the chassis structure comprising a pair of front wheels and a pair of rear wheels supporting the frame, and a controlled frame joint between the frame parts, when the frame is co... | 05/09/2006 |
| 7017690 | Platforms for sustainable transportation A vehicle utilize a cellular design to provide variously sized vehicles constructed from varying numbers of substantially identical cells. Each cell, fabricated from lightweight materials including composites, includes: compartment, floor section, sidewalls, roof, d... | 03/28/2006 |
| 6948576 | Driving and transmission unit for use in rolling vehicles A driving unit for use with a rolling vehicle is provided containing a first and second motor mechanically coupled to two wheels via a transmission unit which is pivotable about the steering axis of the driving unit and adapted to establish a driving relationship be... | 09/27/2005 |
| 6808033 | Vehicle suspension system A wheel suspension assembly for a vehicle having wheels and a chassis, the vehicle suspension system comprising a suspension unit for at least one wheel, the suspension unit including a first pivot arm of which a wheel is mounted and a second pivot arm mounted on th... | 10/26/2004 |
| 6484083 | Tandem robot control system and method for controlling mobile robots in tandem A control system for controlling mobile robots provides a way to control mobile robots, connected in tandem with coupling devices, to navigate across difficult terrain or in closed spaces. The mobile robots can be controlled cooperatively as a coupled sys... | 11/19/2002 |
| 6341657 | Suspension for central drive vehicle A central drive personal mobility vehicle is disclosed comprising a frame having a right and a left frame mounting located in a trailing frame portion of the frame with a seat being mounted to an intermediate portion of the frame. A right and a left leaf ... | 01/29/2002 |
| 6086076 | Large dump truck suspension A suspension system for a large dump truck. The dump truck having a main frame with laterally spaced frame members each associated with a rear wheel mounting hub with a wheel on each of its sides. Each hub is attached to a respective frame member by an at... | 07/11/2000 |
| 5810106 | Vehicle drive system A drive system is provided including first and second primary drive motors that are connected to drive opposing wheels at one end of a vehicle. Each primary drive motor is connected to and drives a variable displacement hydraulic pump. Each pump is connec... | 09/22/1998 |
| 5429543 | Vehicle toy A radio-control toy vehicle is provided with six nonsteerable wheels, three on each lateral side of the vehicle. At least the center wheel on each lateral side is drivingly coupled with a separate, reversible motor. The vehicle is steered by controlling t... | 07/04/1995 |
| 4768601 | Uneven ground vehicles An uneven ground vehicle comprises a plurality of running means each having a support frame for supporting wheels, tires, crawlers or the like. Each support frame is connected to the body of the vehicle so as to be swingable in the front and rear directio... | 09/06/1988 |
| 4702843 | Control system for an adverse terrain vehicle An adverse terrain vehicle is provided which includes a system for controlling a number of vehicular functions. The vehicle includes at least two variable displacement hydraulic motors, each for driving at least one wheel member on one side of the vehicle... | 10/27/1987 |
| 4685527 | System for powering a trailer The present invention is a system for powering a trailer. The system includes a trailer having a tongue for connecting the trailer to a towing vehicle. The trailer is supported by at least one wheel mounted on each of opposing sides of the trailer frame. ... | 08/11/1987 |
| 4432427 | Agricultural tractors and other vehicles A tractor has three pairs of ground wheels: front and rear steerable pairs which cooperate to steer the tractor, and a central pair. The central pair of wheels each are connected to the frame through a hydraulic cylinder and piston assembly which can be c... | 02/21/1984 |
| 4311203 | Agricultural tractors and other vehicles A tractor has three pairs of ground wheels: a front steerable pair, a rear steerable pair and a central pair. The central pair of wheels each are fitted to the frame through a hydraulic piston assembly that can be controlled to raise those wheels above th... | 01/19/1982 |
| 4184425 | Self-propelled module builder A self-propelled module builder comprising a frame in which cotton or other compressible material is deposited. A compacting mechanism is mounted on the open top of the frame to compress the material into a module. The frame has a side frame structure on ... | 01/22/1980 |
| 4167826 | Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means An improved reciprocatory self-loading dual-ended earth excavation vehicle pivotally connected to two or more unmanned self-leveling and self-maneuvering telescopic conveyor vehicles, the latter in turn are pivotally connected to a multi-function dual-end... | 09/18/1979 |
| 4094373 | Method and apparatus for converting an agriculture machine to a tractor A Cultivator Planter comprising a traction wheel assembly of substantial width which is releasably connected to a steerable portion to push the steerable portion. The traction wheel assembly comprising two sections which are releasably connected together ... | 06/13/1978 |
| 4074784 | Articulated haulage vehicle The haulage vehicle has a frame member with separate front and rear sections that are connected to each other by universal means and are free to articulate in a plurality of planes. The frame rear section has a transversely mounted rear axle adjacent the ... | 02/21/1978 |
| 4049071 | Modular dual wheel suspension and drive arrangement for trucks The main frame of a truck has a pair of dual wheel suspension and drive arrangements pivotally mounted rearwardly thereon and disposed in laterally spaced relationship relative to each other. Each arrangement comprises a hollow sub-frame having its forwar... | 09/20/1977 |
| 4036304 | Wheel mounting for cultivator planter A self propelled apparatus providing a cultivator, planter units and fertilizer tanks. A traction wheel assembly composed of a plurality of wheels adapted to propel the entire apparatus forwardly by pushing. The plurality of traction wheels being mounted ... | 07/19/1977 |
