Class 280/211 - Steering by driving

Subclass of Class 280 - Land vehicles
Definition: Vehicles in which the propelling means is operable to steer
No. of patents: 30
Last issue date: 04/29/2008

Number	Title	Issue Date
7363994	Wheeled platforms A wheeled platform 100 is disclosed, which is characterized by high mobility and reliability, and which can be used in a wide range of applications including transport and robotic devices. The wheeled platform 100 has fore and aft body portions 130,...	04/29/2008
7328906	Stroller apparatus A stroller apparatus for exercising the arms and a portion of an upper torso of a user includes a seat to receive and support a rider. A frame is coupled to the seat to support the seat in an elevated position above a ground surface. A plurality of wheels is coupled...	02/12/2008
7128332	Wheelchair designs and related enhancements Wheelchair designs and enhancements are provided for use with conventional wheelchair designs. The designs and enhancements include first and second contoured folding seat panels that are hingedly mounted with respect to the wheelchair frame and that are offer inter...	10/31/2006
6968262	Steering angle correction device Steering angle is determined by the combined use of a potentiometer and a rotary encoder, and the correction of the error in the determination of the steering angle based on the time-dependent change of the potentiometer. ...	11/22/2005
6926296	Multi-person velocipede A multi-person velocipede is provided with a pair of interconnected frame members. A pair of rotatable forward wheels are rigidly coupled to the forward portion of the frames, and a pair of rotatable rearward wheels are pivotably coupled to the rearward portion of t...	08/09/2005
6923278	Adjustable anti-tip wheels for power wheelchair A power wheelchair with front anti-tip wheels for substantially eliminating partial tips of the wheelchair is described. The anti-tip wheels are attached to the end of an extension arm which is attached to the frame of the wheelchair. A spring connects the anti-tip ...	08/02/2005
6910701	Wheelchair propulsive mechanism A wheelchair propulsion system provides a wheelchair user with a continuous input drive path of linear or elliptical shape. The propulsion system includes a Cardan gear system defining a linear reciprocating or elliptical input path over which propulsive force may b...	06/28/2005
6904985	Transmission control device for vehicles and steering assembly for vehicles A transmission control device which receives steering inputs and speed inputs, and produces an input for a steer transmission and an input for a drive transmission in order to control the direction and speed of a vehicle. The transmission control device, coupled to ...	06/14/2005
6752231	Personal transportation system A two wheeled automotive vehicle having a heavily weighted passenger compartment pivotally mounted on, and with its center of gravity below, a trapeze cross bar that is in turn pivotally mounted between axially aligned stub axles for the road wheels. Attitude contro...	06/22/2004
6571160	Rear-wheel steering angle control device The present invention provides a rear-wheel steering angle control device which is capable of drastically reducing the man-hours required for setting a gain of a target rear-wheel steering angle relative to a front-wheel steering angle. The rear-wheel ste...	05/27/2003
6557879	Land rower This is a hand-propelled wheeled device for a rider. The device includes: a frame with two sides; a first and second drive wheel rotatably mounted to the two sides; a first hand crank connected to the first drive wheel through a first crank hub, and a fir...	05/06/2003
6474689	Adjustable tiller for vehicle A motorized scooter is disclosed that comprises a steering shaft mounted for rotation about its axis. A tiller is connected to said steering shaft to rotate said steering shaft, and pivotable relative to said steering shaft. A pivot block is mounted on th...	11/05/2002
6363305	Steer-by-wire system A closed loop steer by wire control system has three main components, a steering wheel unit, a roadwheel unit, and a master control unit. Signals generated by sensors in the steering wheel unit and roadwheel unit are passed back to the master control unit...	03/26/2002
6276703	Land rower This is a hand-propelled wheeled device for a rider. The device includes: a frame with two sides; a first and second drive wheel rotatably mounted to the two sides; a first hand crank connected to the first drive wheel through a first crank hub, and a fir...	08/21/2001
6257357	Steering device for drive and steer transmission A steering linkage coupled with a drive and steer transmission allows a steering wheel to be turned a maximum of between ninety and one-hundred-eighty degrees from a neutral straight forward position, and is adjustable for altering the maximum degree to w...	07/10/2001
5925083	Method of correcting steering of a road driven vehicle To support the driver of a road vehicle, a yaw velocity r (in radian/s) around a vertical axis is measured, a driving speed vx (in m/s) is determined, an acceleration ax (in m/s2) in the driving direction is measured, a la...	07/20/1999
5769441	Vehicle having two axially spaced relatively movable wheels A parallel vehicle includes three main control systems. The first controls the position and angle of the two parallel wheels relative to a fixed chassis, enabling the wheels to be moved outwardly and inwardly and the camber varied for greater stability, a...	06/23/1998
5409075	Pneumatic suspension system for farm equipment A suspension system for tracked vehicles has a plurality of interconnected air bags that is used to more evenly distribute the weight of the vehicle superstructure over the belt track. The more even weight distribution improves floatation of the vehicle o...	04/25/1995
5042238	Riding lawn mower An improved riding lawn mower comprises a frame having steerable front wheels and rear traction wheels. Each rear wheel is independently driven by a separate transmission. A steering wheel is used to turn the front wheels to control the direction of movem...	08/27/1991
4973071	Dicycle A dicycle includes a pair of parallel wheels, a crankshaft to whose end portions the wheels are attached, upwardly extending control rods connected to and pivotable about the axles, and lever members which extend downwardly and contact the ground at a poi...	11/27/1990
4822068	Vehicle toy The vehicle toy includes a split central roller with end rollers on either side of it, a platform between the segments of the split central roller, side members along the ends of the rollers, and vertical members leading to handrails above the rollers to ...	04/18/1989
4809997	Mobile standing aid The mobile standing air has a rectangular base with two main wheels near the rearward portion of the base and two main caster wheels mounted on upward, forward and outward extensions near the front of the frame. Two rearward extensions mount smaller caste...	03/07/1989
4667975	Hand-powered toy vehicle A hand-powered toy vehicle with a pair of levers coupled to independent rear wheels. The levers can be operated together to accelerate forward movement of the vehicle, as well as to brake it. The levers also can be used to rotate one of rear wheels faster...	05/26/1987
4655470	Hand-propelled wheeled device for children A hand-propelled wheeled device for children comprises a substantially circular frame which is assembled from two U-shaped tubular pipes, two side wheels which are rotatably mounted inwardly along two opposite and parallel sides of the frame, each side wh...	04/07/1987
4484646	Recreational vehicle A vehicle primarily intended for use as a recreational vehicle is disclosed having a pair of laterally spaced drive wheels and a pair of longitudinally spaced wheels mounted on the frame. A gasoline engine provides power to the drive wheels. Control lever...	11/27/1984
4192395	Amusement vehicle A vehicle, especially an amusement vehicle, in which a frame having a seat adapted for seating two occupants is located within the radial confines of a pair of relatively large coaxial spaced wheels. The frame includes rollers mounted thereon and distribu...	03/11/1980
4166631	Sports wheelchair A wheelchair specially adapted for use in wheelchair sports is provided. An adjustable linking member between the wheelchair support struts is provided for permitting selective adjustment of the camber of the wheels and for permitting a "sway bar" action ...	09/04/1979
4077647	Ridable amusement device There is disclosed a wheeled type ridable amusement device adapted to be driven and steered by man power, comprising a frame constructed of a metal or synthetic resin pipe shaped into an annular form, two opposed main wheels mutually independently and rot...	03/07/1978
4066273	Toy car A toy car adapted to caper about, having a seat, a backrest and large wheels with inwardly-extending handles supported on the wheel rims. The wheels are supported on the ends of arms which are supported just to the rear of the seat and the ground-engaging...	01/03/1978
3937519	Mobile chair for paraplegics The present wheel chair has a hydraulic jack for raising and lowering a seat. The frame of the chair has spaced opposite sides and a jack-supporting horizontal platform at the bottom. At the back, the frame of the chair is open above this platform so that...	02/10/1976

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Class 280/211 - Steering by driving