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Class Information
Number: 180/252
Name: Motor vehicles > Having at least one wheel both driven and steerable
Description: Vehicle wherein one or more of its wheels is not only drivingly rotated for propelling the vehicle, but is also attached to the vehicle in such a manner that it may be moved pivotably (e.g., rotatably) about a more or less vertical axis for changing the course of travel of the vehicle.


Sub-classes under this class:

Class Number Class Name Patents
180/253 Steerable wheel has exclusive axis of pivot (i.e., stub-axle type) 97
180/264 With driven axle, mounting two or more wheels, swingable about axis of pivot, and motor mounted to swing therewith 13
180/267 With driven axle, mounting two or more wheels, swingable about axis of pivot, and shaft for transmitting drive coincident with axis 8
180/266 With driven axle, mounting two or more wheels, swingable about axis of pivot, and swingable also about a horizontal axis 21


Patents under this class:
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Patent Number Title Of Patent Date Issued
7392116 Method for operating a chassis regulating system and a device to carry out the method Jun. 24, 2008
7326144 Vehicle transmission systems Feb. 5, 2008
7296647 Transport drive in particular for stage elements, fork-lift vehicles and moving platforms Nov. 20, 2007
7222007 Attitude sensing system for an automotive vehicle relative to the road May. 22, 2007
7201247 All wheel drive utility vehicle with bogey beam suspension Apr. 10, 2007
7118182 Axle unit for driving wheel Oct. 10, 2006
7073625 Exhaust gas muffler and flow director Jul. 11, 2006
7044258 Direct drive suspension May. 16, 2006
6889790 Front axle of an agricultural tractor May. 10, 2005
6862512 Method and system for controlling the performance of a motor vehicle Mar. 1, 2005
6862506 Method for automatically adjusting reference models in vehicle stability enhancement (VSE) systems Mar. 1, 2005
6688416 Working vehicle with transverse travel system Feb. 10, 2004
6654671 Vehicle rollover detection having variable sensitivity Nov. 25, 2003
6637535 Driving apparatus for vehicles Oct. 28, 2003
6561594 Wheel shaft structure of monocycle May. 13, 2003
6553293 Rear steering control for vehicles with front and rear steering Apr. 22, 2003
6543559 Vehicle propulsion system Apr. 8, 2003
6491127 Powered caster wheel module for use on omnidirectional drive systems Dec. 10, 2002
6481524 Vehicle equipped with turning mechanism Nov. 19, 2002
6474434 Drive wheel Nov. 5, 2002
6471224 Kingpin independent front suspension Oct. 29, 2002
6408230 Omnidirectional vehicle and method of controlling the same Jun. 18, 2002
6382339 Driving apparatus for vehicles May. 7, 2002
6367571 Drive wheel system for industrial trucks Apr. 9, 2002
6311795 Work vehicle steering and suspension system Nov. 6, 2001
6276480 Three-wheel motor vehicle Aug. 21, 2001
6202781 Power steering device for vehicles Mar. 20, 2001
6179308 Wheel end assembly for four wheel steer vehicle Jan. 30, 2001
6148945 Steering drive axle Nov. 21, 2000
6135571 Axle unit for driving a vehicle wheel Oct. 24, 2000
6131054 Yaw moment control system in vehicle Oct. 10, 2000
6109379 Independently pivotable drivewheel for a wheeled chassis Aug. 29, 2000
6002974 Vehicle rollover sensing using extended kalman filter Dec. 14, 1999
5974347 Automated lawn mower Oct. 26, 1999
5924506 Motorized wheel assembly and toy vehicle with such wheel assembly Jul. 20, 1999
5697464 Ride-on vehicle for golf club bag and the like Dec. 16, 1997
5580207 Device for moving beds Dec. 3, 1996
5518079 Lawn mower May. 21, 1996
5472062 Hydraulic drive system for steerable wheel of dump truck Dec. 5, 1995
5295553 Rear wheel steerable working vehicle Mar. 22, 1994
5183133 Motor-driven chair Feb. 2, 1993
5150763 Wiring and piping arrangement for a vehicle motor Sep. 29, 1992
5128598 Material handling vehicle steering system Jul. 7, 1992
5036941 Drive unit for a vehicle in a driverless transport system Aug. 6, 1991
4955451 Utility vehicle Sep. 11, 1990
4941543 Rear wheel suspension and steering system Jul. 17, 1990
4932489 Steering and drive means for robot vehicle Jun. 12, 1990
4903791 Frame crossbeam assembly for all-wheel drive vehicle Feb. 27, 1990
4887686 Working vehicle Dec. 19, 1989
4880124 Straddle crane steering system Nov. 14, 1989

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