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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 131
180/6.24 Combined with manual steering 74
180/6.62 Combined 17
180/6.58 Controlled from rotatably mounted superstructure 25
180/6.7 Endless flexible track 130
180/6.48 Independently operable drive motors 439
180/6.66 Reversing drive to traction element 47
180/6.64 Swinging traction frame responsive to differential drive 15
180/6.54 Variable contact 11


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8704652 Information providing apparatus Apr. 22, 2014
8694191 Unmanned autonomous vehicle for displacing feed Apr. 8, 2014
8678113 Steering and ground speed control mechanism of a dual-path hydrostatic drive arrangement Mar. 25, 2014
8678114 Power wheelchair with guard for playing sports Mar. 25, 2014
8662211 Omnidirectional vehicle Mar. 4, 2014
8662234 Drive and steering apparatus for an industrial truck Mar. 4, 2014
8665080 Driving assistance apparatus Mar. 4, 2014
8651205 Direct power reversing drive axle Feb. 18, 2014
8630771 Control method for electric power steering Jan. 14, 2014
8602136 Mobile frame for moving less able-bodied persons Dec. 10, 2013
8600620 Steering assembly for a vehicle and method of operating the same Dec. 3, 2013
8585534 Vehicle drive and control system Nov. 19, 2013
8567537 Inverted pendulum type vehicle Oct. 29, 2013
8544792 Towbarless airplane tug Oct. 1, 2013
8532879 Information providing device for vehicle Sep. 10, 2013
8517159 Brake actuation assembly Aug. 27, 2013
8509996 Safety steering system for automobiles Aug. 13, 2013
8504243 Vehicular steering apparatus and control method thereof Aug. 6, 2013
8485938 Omni-wheel based driving device with enhanced main wheel structure Jul. 16, 2013
8463498 Method for controlling the side slip angle of a rear-wheel drive vehicle when turning Jun. 11, 2013
8408567 Swather tractor with frame suspension Apr. 2, 2013
8401736 Driving assistance apparatus and driving assistance method Mar. 19, 2013
8396630 System and method for monitoring driver fatigue Mar. 12, 2013
8392068 Vehicle behavior control device Mar. 5, 2013
8354810 Electric power steering device Jan. 15, 2013
8352123 Control device of electric power steering device for vehicles in which steered wheels are driven Jan. 8, 2013
8340876 Controller for automatic transmission Dec. 25, 2012
8335597 Remote-controlled mobile machine using flexible shafts Dec. 18, 2012
8308604 Omni-wheel based driving device with belt transmission mechanism Nov. 13, 2012
8296016 Method for correcting measurements of the torque exerted on a steering wheel of an automobile vehicle electric power-assisted steering Oct. 23, 2012
8267205 Riding work vehicle Sep. 18, 2012
8244435 Method and system for determining an optimal steering angle in understeer situations in a vehicle Aug. 14, 2012
8235151 Return to neutral control mechanism for zero turning radius mower Aug. 7, 2012
8226519 Vehicle drive and control system Jul. 24, 2012
8220233 Agricultural mower comprising a carrying vehicle with four steering and driving wheels and plural pivotable front and lateral work units Jul. 17, 2012
8200391 Running control apparatus for vehicle Jun. 12, 2012
8186461 Omni-directional vehicle with full circumferential revolvable hitch May. 29, 2012
8186469 Mobile robot May. 29, 2012
8165753 Vehicle operation assisting system Apr. 24, 2012
8099211 Electric power steering apparatus Jan. 17, 2012
8091658 Wheel arrangement for a four-wheeled vehicle Jan. 10, 2012
8090503 Method for determining absolute steering wheel angle from a single-turn steering wheel angle sensor Jan. 3, 2012
8073593 Vehicle steering apparatus Dec. 6, 2011
8051687 Traction steer detection and compensation Nov. 8, 2011
8047310 Power vehicle incorporating velocity control system Nov. 1, 2011
8046132 Vehicle steering control without mechanical connection between steering wheel and steered wheels Oct. 25, 2011
8046134 Steering system having multiple strategies and variable deadzone Oct. 25, 2011
8028775 Spherical mobility mechanism Oct. 4, 2011
8020647 Steering control system Sep. 20, 2011
7992659 Steering systems, steering and speed coordination systems, and associated vehicles Aug. 9, 2011

1 2 3 4 5 6










 
 
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