Steering by driving > Swinging traction frame responsive to differential drive > Patents

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Class Information
Number: 180/6.64
Name: Motor vehicles > Steering by driving > Swinging traction frame responsive to differential drive
Description: Vehicles having a frame member, carrying driven traction elements, mounted so as to swing about a vertical axis in response to the steering by driving.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7588104	Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus	Sep. 15, 2009
6948576	Driving and transmission unit for use in rolling vehicles	Sep. 27, 2005
6283237	Method and apparatus for steering articulated machines using variable speed devices	Sep. 4, 2001
6119061	Method and apparatus for controlling an electro-hydraulic differential steering system	Sep. 12, 2000
6039133	Steering control system for an articulating work machine having a steering fluid cylinder and a fluid-powered differential	Mar. 21, 2000
4470475	Hydrostatic drive and steering system for an articulated vehicle	Sep. 11, 1984
3998289	Brake system for an articulated vehicle	Dec. 21, 1976