Class 180/212 - All wheels motor driven

Subclass of Class 180 - Motor vehicles
Definition: Vehicle wherein each of the supporting wheels is drivingly
No. of patents: 40
Last issue date: 06/26/2007

Number	Title	Issue Date
7234710	Spring powered vehicle The present invention provides a manually powered drive assembly for a vehicle. A foot crank winds a helical torsion spring through a system of shafts and sprockets in a first direction. By releasing a brake applied to a wheel, or wheels, of the vehicle, the wound s...	06/26/2007
7234534	Firefighting vehicle A firefighting vehicle includes a frame, a fluid pump, and a body having a compartment. In one embodiment, a drive line of the pump passes through a transverse cross member of the frame. In another embodiment, the body includes opposite side sections sandwiching the...	06/26/2007
7117962	Articulated forklift truck An articulated forklift truck for use in narrow aisles comprises a front chassis section (10) having a first pair of ground-engaging wheels (20) and a rear chassis section (12) having a second pair of ground-engaging wheels (22). The fron...	10/10/2006
7073822	Flexible cable lever arm steering system apparatus and method A steering suspension system utilizing a flexible push/pull cable attached from an operator input mechanism across a suspension system to a wheel steering mechanism. An operator input mechanism is located within a land vehicle structure supported by a wheel. A suspe...	07/11/2006
7025366	Two wheel steering bicycle with each wheel having its own steering control operated by rider's left and right hand respectively and rider positioned facing the direction of motion A two wheel steering bicycle with two steering controls and rider positioned facing forward. A top tube member connects the rear head tube to the front head tube. The rear wheel attaches to the rear fork extending upwards. The rear fork steerer column passes through...	04/11/2006
6896078	Movable robot A movable robot includes a main body unit, and at least three wheel units connected with the main body unit. The wheel units have respective contact portions for contact with a floor surface. The contact portions are rotatable about respective axes. The main body un...	05/24/2005
6820880	Spring powered wheelbarrow The present invention provides a spring powered wheelbarrow with a manually powered drive assembly. A foot crank winds a spring through a system of shafts and sprockets in a first direction. By releasing a brake upon a front wheel of a wheelbarrow, the wound spring ...	11/23/2004
6578924	All wheel drive power buggy A motorized dump-type vehicle is provided having a chassis frame, an engine mounted on said frame, a dump container pivotally mounted on the front of said frame and a hydraulic system enabling said container to be raised and lowered by a hydraulic cylinde...	06/17/2003
6536845	All wheel drive power buggy A motorized dump-type vehicle is provided having a chassis frame, an engine mounted on said frame, a dump container pivotally mounted on the front of said frame and a hydraulic system enabling said container to be raised and lowered by a hydraulic cylinde...	03/25/2003
6488111	Hydraulic drive system A hydraulic drive system for a three-wheeled vehicle with drive assemblies including drive units having a single drive unit with two separate directly coupled drives and a pair of transverse drive units employing respectively separate directly coupled dri...	12/03/2002
6435766	Method and apparatus for ground working A method and apparatus for ground working. A first step involves providing an apparatus for ground working with telescopically extendible wheel supports which permit the height and angular orientation of the chassis to be adjusted to suit a contour of a d...	08/20/2002
6382340	Hydraulic drive system and controller A drive controller for a hydraulic drive system, a three wheeled vehicle having a pair of transversely arranged in line of drive shaft assemblies and a single wheel drive shaft assembly each assembly including a drive unit having two separate drives and h...	05/07/2002
6293627	All wheel drive power buggy A motorized dump-type vehicle is provided having a chassis frame, an engine mounted on said frame, a dump container pivotally mounted on the front of said frame and a hydraulic system enabling said container to be raised and lowered by a hydraulic cylinde...	09/25/2001
6269901	Hydraulic drive system A hydraulic drive system incorporating a hydraulic pump for three wheeled vehicles such as "piggy back" forklifts in which there are at least two separate but linked drives forming one drive unit for each of the wheels and each drive has a separate input ...	08/07/2001
5715664	All wheel hydraulic drive system An improved hydraulic drive system is provided for a vehicle having a plurality of ground engaging wheels which are each individually driven by a hydraulic motor to provide all wheel drive. The ground engaging wheels include a first pair of such wheels at...	02/10/1998
5295553	Rear wheel steerable working vehicle A working vehicle comprises front wheels, steerable rear wheels steerable up to a minimum radius turning region lying in a transverse direction substantially perpendicular to a longitudinal direction of a vehicle body, and a rear wheel control device for ...	03/22/1994
5213176	Self-propelled vehicle A self-propelled vehicle capable of all directional movement over a floor surface and adapted to be guided along a path such as a semiconductor processing line. The vehicle is provided with at least three wheels having a construction enabling rotational m...	05/25/1993
4986387	Fork-lift truck having three drive wheels with third wheel steerable A fork-lift truck supported by two front wheels and a rear wheel carried by a dolly assembly. The dolly assembly is pivoted for movement about a vertical axis and a rack and pinion unit is provided to control the pivoting for steering with the rear dolly ...	01/22/1991
4887686	Working vehicle A working vehicle comprising a vehicle body having a pair of front wheels and a pair of rear wheels, at least the rear wheels being drivingly rotatable and steerable, a working machine provided at the front end of the vehicle body, and a steering wheel an...	12/19/1989
4751658	Obstacle avoidance system A system for avoiding obstacles in the path of a vehicle including a sensor assembly having a field of view with a plurality of sectors for detecting the distance of objects within each sector. The system further includes an element for identifying obstru...	06/14/1988
4715460	Omnidirectional vehicle base An omnidirectional wheelchair base 7 includes upper 10 and lower 20 flexible base plates held in spaced-apart alignment by a pair of front supports 14 and 16 and a rear support 18. A pair of front wheels 22 and 26 are provided, each mounted on the front s...	12/29/1987
4664213	All-direction changing mechanism plus a driving power transmission mechanism An all-direction-changing mechanism and a driving power transmission mechanism combined together comprising a plurality of connecting rods radially extending from a connecting center, direction-changing cranks on the outer ends of the connecting rod contr...	05/12/1987
4657104	Concentric shaft mobile base for robots and the like A concentric shaft mobile base for robots and the like is disclosed incorporating three wheels which can be simultaneously driven and steered so as to allow the mobile base to change direction without rotation of the mobile base. Concentric shafts transfe...	04/14/1987
4579181	Vehicle guided by the individual torque applied to its driving wheels and a method for turning said vehicle A land vehicle for producing side-slip of the rear wheels while the front wheels determine a curved path of travel having a short radius comprises four driving wheels having a fixed orientation in the longitudinal direction of the vehicle. Each wheel (1, ...	04/01/1986
4573548	Mobile base for robots and the like A mobile base for robots or other devices requiring a transport mechanism is disclosed incorporating a plurality of wheels which are simultaneously driven and steered by separate drive sources so as to allow the mobile base to change direction without rot...	03/04/1986
4449606	Vehicle frame assembly A motor vehicle having a pair of front drive wheels and a rear steerable drive wheel mounted on a main frame. A sub-frame secured to the main frame intermediate the front and rear drive wheels carries an internal combustion engine and a pump assembly. The...	05/22/1984
4397370	Surf service vehicle An offshore service vehicle of tricycle configuration employs three vertical legs to support a platform which remains above the water surface as the vehicle travels from a dry land station outwardly to service stations offshore such, for example, as a sta...	08/09/1983
4380281	Associated running gear and piler improvements in a two row harvester and piler A two row harvester running gear is of a tricycle type with all wheels being hydraulically driven and with a center rear wheel that is steerable and smaller than the two front wheels. The running gear configuration provides sharper turns in muddy fields w...	04/19/1983
4373600	Three wheel drive vehicle A motor vehicle having a pair of front drive wheels and a rear steerable drive wheel mounted on a main frame. A sub-frame secured to the main frame intermediate the front and rear drive wheels carries an internal combustion engine and a pump assembly. The...	02/15/1983
4369855	Fluid drive system A hydraulic fluid drive for a land motor vehicle having front and rear drive wheels. An internal combustion engine drives a pair of positive displacement pumps. A first pump is connected to hydraulic motors that drive the front wheels of the vehicle. A se...	01/25/1983
4368795	Economy safety passenger vehicle A safety automobile is reduced in width compared to conventional vehicles and tapers forwardly to nearly a point to minimize head-on collision danger and provide lateral deflection of the vehicle to left or right on striking an obstruction. A dual power s...	01/18/1983
4318450	Chassis drive arrangements for electrically driven mobile working machines A drive arrangement in the chassis of an electrically powered mobile machine such as a fork lift or the like having a steerable wheel assembly at one end of the chassis and a non-steerable wheel assembly at the opposite chassis end wherein each wheel incl...	03/09/1982
4237990	Omnidirectional vehicle A wheeled vehicle provided with three individually driven wheels rotatable on horizontal axes. The wheels are disposed at the corners of a triangle. The periphery of each wheel is defined by a plurality of rollers rotatable on respective axes which are ea...	12/09/1980
4227364	Self-compensating brake system for a mowing machine A self-compensating brake system for a mowing machine of the type having a body movably supported by a plurality of rotatable drive wheels. The brake system includes a brake shaft which is rotatably journaled in the body and which is free-floating along a...	10/14/1980
4169511	Boom-pulpit vehicle A three-wheeled vehicle has a pulpit boom mounted near a single steering wheel for azimuth and elevation positioning under control from the pulpit. All three wheels are driven, also under control from the pulpit. The boom assembly supporting the pulpit sw...	10/02/1979
4157125	All-wheel-drive vehicle An all-wheel-drive vehicle, particularly a fork-lift truck suitable for use on rough terrain, with at least one wheel steerable over an angle of substantially 90° in each direction. To avoid wheel slip, drive motors of the vehicle are arranged to provide...	06/05/1979
4126198	Three-wheeled farm vehicle A tricycle frame is elongated to carry a sprayer or a fertilizer spreader, or the like. Two transversely spaced rear wheels engage the ground at the rear of the frame and are independently driven by hydraulic motors. A ground engaging front wheel, also in...	11/21/1978
4084522	Apparatus and method for sowing second crop in standing crop Seeds of a second crop (e.g. soybeans) are sown in a standing grain crop (e.g. wheat). When the grain crop is ripe it is harvested by cutting with a combine at a level slightly above the top of the partially grown second crop. Seeding of the second crop i...	04/18/1978
3998287	Hydrostatic transmission vehicles A hydrostatic transmission vehicle which is direction controlled by a speed controlled running assembly known as a motor-director running assembly and which has at least one further speed controlled driving running assembly. The motor-director running ass...	12/21/1976
3963084	Three wheel agricultural traction unit An agricultural traction unit using a motor and transmission with two outputs to drive the front wheels and the rear wheel using chain and sprockets to transmit the power, having room for several passengers, a running board to rest the user's feet, and a ...	06/15/1976

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Class 180/212 - All wheels motor driven