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Class Information
Number: 180/9.44
Name: Motor vehicles > Special driving device > Portable track > Endless, flexible > With track-related steering means
Description: Motor vehicles provided with means for steering the vehicle.


Sub-classes under this class:

Class Number Class Name Patents
180/9.46 Pivoted track frame 60


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7581598 Blade motion reduction Sep. 1, 2009
7543664 Mono-track vehicle Jun. 9, 2009
7490682 Device for reversing the steering movement of a steering-wheel shaft of a vehicle Feb. 17, 2009
7451840 Articulated crawler dozer with direct load path structure Nov. 18, 2008
7416219 Swiveling work machine Aug. 26, 2008
7347293 Work vehicle Mar. 25, 2008
6926109 Hydrostatic motor drive mount Aug. 9, 2005
6907946 Brake system for a tracked vehicle Jun. 21, 2005
6789014 Direct modification of DGPS information with inertial measurement data Sep. 7, 2004
6782960 Tracked vehicle Aug. 31, 2004
6755487 Brake adjustment method and apparatus thereof Jun. 29, 2004
6692185 Adjusting arrangement for steerable transport assembly for self-propelled construction vehicle Feb. 17, 2004
6679570 Track frame structure Jan. 20, 2004
6672412 Method for operating a vehicle having two propulsion units Jan. 6, 2004
6637529 Steering control system for tracklaying vehicle Oct. 28, 2003
6588521 Four track crawler crane Jul. 8, 2003
6544135 Tracked vehicle with shiftable lateral intermediate transmission Apr. 8, 2003
6474426 Steering method and steering system for tracklaying vehicle Nov. 5, 2002
6374933 Track vehicle track width adjustment Apr. 23, 2002
6298931 Tracked vehicle steering control system with non-centered steering wheel Oct. 9, 2001
6286620 Access plate for an axle of a differentially steered vehicle Sep. 11, 2001
6179073 Hybrid track for a vehicle Jan. 30, 2001
6170584 Tracked vehicle steering system with steering pump monitoring Jan. 9, 2001
6145609 Track vehicle pivot system Nov. 14, 2000
6135220 Modular system for track-laying vehicle Oct. 24, 2000
6116362 Articulated vehicle Sep. 12, 2000
6032751 Electromechanical cross-drive steering transmission for tracklaying vehicles Mar. 7, 2000
RE36284 Track system for vehicles Aug. 31, 1999
5927412 Castering swing link for a track sub-assembly Jul. 27, 1999
5924503 Offset work vehicle drive system Jul. 20, 1999
5857532 Differential steer system for a machine Jan. 12, 1999
5699656 Agricultural combine Dec. 23, 1997
5632350 Articulated vehicle May. 27, 1997
5575716 Self-propelling agricultural machine, in particular harvester thresher Nov. 19, 1996
5558590 Geared steering device for crawler vehicle and control unit therefor Sep. 24, 1996
5509491 Dual-motor electric drive system for vehicles Apr. 23, 1996
5452949 Track system for vehicles Sep. 26, 1995
5435405 Reconfigurable mobile vehicle with magnetic tracks Jul. 25, 1995
5363935 Reconfigurable mobile vehicle with magnetic tracks Nov. 15, 1994
5325933 Steering control of tracked vehicle Jul. 5, 1994
5186270 Omnidirectional vehicle Feb. 16, 1993
5125467 Telecontrolled tracked vehicle Jun. 30, 1992
5009278 Method and a support arrangement in a roller vehicle to be steered by a roller mat Apr. 23, 1991
4998591 Electro-mechanical drive system for a full-track vehicle Mar. 12, 1991
4966242 All-terrain vehicle Oct. 30, 1990
4958696 Switching arrangement for the hydraulic drive means of a full-track vehicle Sep. 25, 1990
4936639 Apparatus in a turning-track track-laying vehicle Jun. 26, 1990
4900106 Power transmission of a turning-track track-laying vehicle Feb. 13, 1990
4727949 All terrain vehicle and method of operating same Mar. 1, 1988
4714125 Single laterally bendable track snowmobile Dec. 22, 1987

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