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Class Information
Number: 180/234
Name: Motor vehicles > Having four wheels driven > With means for steering all driven wheels
Description: Vehicle provided with means for repositioning every one of the driven wheels in such a manner as to alter the direction of travel of the vehicle.


Sub-classes under this class:

Class Number Class Name Patents
180/235 Comprising articulated frame and means for pivoting one portion of frame relative to other portion about vertical axis located centrally of vehicle 90
180/237 Comprising swingable, plural-wheel-carrying axles on individual, vertical axes of pivot 16
180/236 In a path of travel other than that produced by turning the front wheels and the rear wheels substantially equally and oppositely 55
180/241 Including longitudinally extending, endless element for transmitting drive to wheels 10
180/240 Including rotatable shaft extending longitudinally from wheels at one end of vehicle to wheels at other end for transmitting steering force thereto 8


Patents under this class:
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Patent Number Title Of Patent Date Issued
7418327 Method for determining a control standard of an active vehicle steering device controllable by a control device Aug. 26, 2008
7293623 Assembly of a wheelchair and a reclining cycle Nov. 13, 2007
7233850 Vehicle steering apparatus Jun. 19, 2007
7040446 Power train support apparatus May. 9, 2006
6926111 Vehicle having front and rear steerable driven wheels Aug. 9, 2005
6917869 Method of controlling the vehicle handling by means of measures for avoiding an understeering Jul. 12, 2005
6854539 Vehicle steering system Feb. 15, 2005
6854552 Fork lift with traverse motion system Feb. 15, 2005
6571160 Rear-wheel steering angle control device May. 27, 2003
6557658 Forklift having transverse travel system May. 6, 2003
6546324 System and method incorporating dynamic feedforward for integrated control of motor vehicle steering and braking Apr. 8, 2003
6491127 Powered caster wheel module for use on omnidirectional drive systems Dec. 10, 2002
6466855 Vehicle speed estimating apparatus and method and vehicular control apparatus and method Oct. 15, 2002
6281490 Method and device for generating distinguishable signals and method of distinguishing signals of similar shape Aug. 28, 2001
6206127 Lead wheel steering system for a gantry crane Mar. 27, 2001
6131689 All-wheel-steer biasing mechanism Oct. 17, 2000
6122579 Electric power steering control with torque ripple and road disturbance damper Sep. 19, 2000
6029431 Vehicle Feb. 29, 2000
5996722 Vehicle steering systems Dec. 7, 1999
5823284 Utility vehicle Oct. 20, 1998
5752710 Parallel-aligned all-wheel steered vehicle III May. 19, 1998
5649605 Wheeled chassis and steering device for steering it Jul. 22, 1997
5618151 Street vehicle for passenger and cargo transport facilitating loading and discharge Apr. 8, 1997
5570754 Tractor and trailer for moving loads in confined spaces Nov. 5, 1996
5488995 Mobile fire apparatus having hose coupling-vehicle brake interlock Feb. 6, 1996
5488555 Method and apparatus for four wheel steering control Jan. 30, 1996
5465806 Electric vehicle Nov. 14, 1995
5375863 Electronic steering mode shifter Dec. 27, 1994
5323866 Power steering system Jun. 28, 1994
5259475 Front wheel and front and rear wheel steering system Nov. 9, 1993
5222568 Electric vehicle Jun. 29, 1993
5174593 Camera dolly Dec. 29, 1992
5154437 Vehicle steering system with independent steering for each wheel Oct. 13, 1992
5129474 Steerable wheel axle for a motor vehicle Jul. 14, 1992
5129476 Four-wheel-drive motor vehicle of transversely-disposed engine type Jul. 14, 1992
5112183 Side-loading fork lift vehicle May. 12, 1992
5090512 Four-wheel coordinated steering multi-purpose tractor Feb. 25, 1992
5082082 Multi-purpose service vehicle Jan. 21, 1992
5052508 Steering control system of motor vehicle Oct. 1, 1991
5020627 Four-wheel drive tractor Jun. 4, 1991
4995472 Steering controlling device for wheel crane Feb. 26, 1991
4995774 Side-loading fork lift vehicle Feb. 26, 1991
4977733 Four wheel steering tractor having a mid-mount mower Dec. 18, 1990
4957183 4-wheel coordinated steering multi-purpose tractor Sep. 18, 1990
4941541 Device for distributing drive power in the drive train of a four wheel drive vehicle Jul. 17, 1990
4865343 Steering mechanism for a vehicle Sep. 12, 1989
4852679 Wheelchair steering Aug. 1, 1989
4796720 Four-wheel steering, leveling and banking for vehicles Jan. 10, 1989
4709936 Steering assembly for motor vehicle Dec. 1, 1987
4697816 Front and rear wheel steering device Oct. 6, 1987

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