Power plants – Pressure fluid source and motor – Having a mechanical clutch or brake device in the power train
Reexamination Certificate
2007-07-10
2007-07-10
Lopez, F. Daniel (Department: 3745)
Power plants
Pressure fluid source and motor
Having a mechanical clutch or brake device in the power train
C060S487000, C092S012200
Reexamination Certificate
active
11048111
ABSTRACT:
A control arm is coupled to a control shaft of a hydraulic pump. A friction shaft extends parallel to the control shaft and is slidably moveable within an arcuate-shaped hole in the control arm. A stop plate is movably supported by the control shaft and the friction shaft. When the stop plate is in the operating position, a friction pad supported by the friction shaft is biased by a pressure plate and a spring against the control arm. When the stop plate is in the braking position, a sloping region of the stop plate engages a pin extending from the pressure plate such that the friction pad is spaced from the control arm and arcuate-shaped grooves in the stop plate engage pins extending from the control arm in a neutral position. The present invention also includes a hydrostatic transmission and a vehicle incorporating the cruise control and neutral return mechanism.
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Andrews Keith
Iida Masaru
Wieber Donald
Lopez F. Daniel
Sterne Kessler Goldstein & Fox P.L.L.C.
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