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Class Information
Number: 180/6.2
Name: Motor vehicles > Steering by driving
Description: Vehicles having means to cause a relative difference in rate of travel between traction elements on opposite sides, as by: (1) unclutching or otherwise disengaging the road traction element or elements on one side from its driving means; (2) changing the speed of, or the amount of power transmitted to, the traction element or elements to produce a differential effect; or (3) varying the effective tractive area of the driving element or elements.


Sub-classes under this class:

Class Number Class Name Patents
180/6.44 Auxiliary steering motor 107
180/6.24 Combined with manual steering 52
180/6.62 Combined 12
180/6.58 Controlled from rotatably mounted superstructure 20
180/6.7 Endless flexible track 115
180/6.48 Independently operable drive motors 348
180/6.66 Reversing drive to traction element 40
180/6.64 Swinging traction frame responsive to differential drive 7
180/6.54 Variable contact 5


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7621353 Vehicle transmission Nov. 24, 2009
7568536 Omni-directional robot cleaner Aug. 4, 2009
7546190 Adaptive dead-zone compensation for steering systems Jun. 9, 2009
7512468 Electric power steering apparatus Mar. 31, 2009
7497283 Mower traction device Mar. 3, 2009
7454255 Methods and apparatus for safe, fault-tolerant control of complex technical systems Nov. 18, 2008
7447579 Method for measuring absolute steering angle of steering shaft of vehicle Nov. 4, 2008
7447580 Method for measuring absolute steering angle of steering shaft for vehicle Nov. 4, 2008
7441613 Electric drive system with differential steering Oct. 28, 2008
7418327 Method for determining a control standard of an active vehicle steering device controllable by a control device Aug. 26, 2008
7408450 Steering wheel direction indicator for neutral start Aug. 5, 2008
7406374 Steering ratio control system of vehicle Jul. 29, 2008
7401870 Method and apparatus to enhance brake-steer of a vehicle using a controllable suspension component Jul. 22, 2008
7401425 Snowthrower wheel drive steering system Jul. 22, 2008
7360613 Transmission for speed changing and steering of a vehicle Apr. 22, 2008
7334653 Mechanism for controlling displacement of vehicle hydrostatic transmission system Feb. 26, 2008
7326141 Compact fault tolerant variable cross-drive electromechanical transmission Feb. 5, 2008
7302327 Vehicle driving aid apparatus Nov. 27, 2007
7293790 Omni-directional toy vehicle Nov. 13, 2007
7267188 Electric vehicle Sep. 11, 2007
7246670 Work vehicle with hydrostatic steering system Jul. 24, 2007
7229139 Control system for brake-steer assisted parking and method therefor Jun. 12, 2007
7201123 Method and device for operating an internal combustion engine of a vehicle Apr. 10, 2007
7177744 Elastic support assembly for electric power steering apparatus Feb. 13, 2007
7172040 Riding type mower Feb. 6, 2007
7130729 Adaptive compensation of rear-wheel steering control using vehicle dynamics parameter estimation Oct. 31, 2006
7077220 Tractor with rear castor wheels Jul. 18, 2006
7066294 Hydraulically driven and steered vehicle Jun. 27, 2006
7059434 Hand controls for small loader Jun. 13, 2006
7059433 Riding lawn mower Jun. 13, 2006
7050895 Method for measuring the absolute steering angle of steering shaft for vehicle May. 23, 2006
7047115 Outboard motor steering system May. 16, 2006
7046917 Speed controlling device of a motorized cart for a person to ride on May. 16, 2006
7007763 Control system for interactive driveline and vehicle control Mar. 7, 2006
6988027 Electric power steering system Jan. 17, 2006
6968262 Steering angle correction device Nov. 22, 2005
6942082 Drive coupling Sep. 13, 2005
6889782 Tractor May. 10, 2005
6886646 Self-propelled operating machine May. 3, 2005
6885926 Automatic steering control system and method Apr. 26, 2005
6874305 Lawn mower having selectively drivable wheels Apr. 5, 2005
6874593 Driving apparatus for speed changing and steering of a vehicle Apr. 5, 2005
6865461 Method and device for controlling driving dynamics Mar. 8, 2005
6862512 Method and system for controlling the performance of a motor vehicle Mar. 1, 2005
6859704 Self-alignment torque correcting apparatus for vehicle and electric power steering apparatus Feb. 22, 2005
6856870 Power steering system Feb. 15, 2005
6853877 Method and apparatus for mobile robot motion control Feb. 8, 2005
6845310 Power steering system Jan. 18, 2005
6830114 Omni direction vehicle with material handling tool Dec. 14, 2004
6830115 Axle driving apparatus Dec. 14, 2004

1 2 3 4 5


 
 
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