B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 13/00 (2006.01) B62D 13/02 (2006.01) B62D 13/04 (2006.01) B62D 13/06 (2006.01)
Patent
CA 2306695
A steering system for a towed implement includes a first double-acting hydraulic actuator that is coupled between the towing vehicle and the towed implement such as that turning the towing vehicle relative to the towed implement results in fluid being forced out of the first actuator and into a second double-acting hydraulic actuator that is coupled for effecting steering of a steerable wheel of the towed implement. The piston rod of the second actuator is coupled to the piston rod of a third double-acting hydraulic actuator forming part of a control for steering the towed implement wheel independently of the turning action of the towing vehicle in order to straighten the steered wheel so that the implement may be moved backwards with out any problems. In one embodiment, the towed implement frame is made so as to be extensible and retractable in the fore-and-aft direction. The control when used with this implement aids in orienting the steered wheel, which is mounted to the movable section of the implement frame, so as to permit the movable section to move backwards either when the frame of the implement is being extended or when the entire implement frame is being moved backwards.
Bestmann Herrmann
Gunther Daniel
Viaud Jean
Borden Ladner Gervais Llp
Deere & Company
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