Steering and driving system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 26, 1993
Grant Date -
N/A
app pub date -
Apr 17, 1991
filing date -
Apr 17, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A first wheel positioned on a first side of a vehicle is driven by a first reversible hydraulic motor. A second wheel positioned on a second side of the vehicle is driven by a second reversible hydraulic motor. A first valve controls the drive direction and speed of operation of the first hydraulic motor. A second valve controls the drive direction and speed of operation of the second hydraulic motor. An actuator shaft is connected with the first and second valves. Linear movement of the actuator shaft along its axis actuates both of the valves in either a forward or a reverse direction. The actuator shaft is also rotatable about its axis. Rotation of the actuator shaft about its axis actuates one of the valves in the forward direction and the other of the valves in the reverse direction.
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