Motor vehicles – Steering by driving – Independently operable drive motors
Patent
1998-08-05
2000-12-19
Mai, Lanna
Motor vehicles
Steering by driving
Independently operable drive motors
180332, 180333, 74526, B62D 1104
Patent
active
061616370
ABSTRACT:
A twin stick control system for a movable unit such as a ZRT vehicle includes two control sticks placed side-by-side. Each control stick controls the operation of at least one drive wheel on each side of the vehicle. The control sticks are movable from their neutral position in a first range of motion without any interference from a spring restoring force tending to return them to neutral, thus allowing the control sticks to remain wherever the operator places them in the first range of motion. A cruise control system is located to abut against the control sticks at the conclusion of the first range of motion to define a cruise control speed setting. The sticks can still be advanced forwardly beyond the cruise control speed setting, but encounter a spring force when doing so which is directed to returning the sticks back to the cruise control speed setting.
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Decker Matthew J
Funk Edric C.
Stuber Michael R.
Ilan Ruth
Mai Lanna
Miller James W.
The Toro Company
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