Transmission for a working vehicle
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United States of America Patent
Stats
-
Jun 5, 1984
Grant Date -
N/A
app pub date -
Apr 1, 1981
filing date -
Apr 10, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power transmission has a valve means capable of applying hydraulic pressure to forward and reverse drive clutches and first and second speed clutches corresponding to the position of shift lever. The valve means has a plurality of ports respectively corresponding to the forward and reverse drive clutches and the first and second clutches so that it reverse drive clutches and the first and second clutches so that it may vary the clutches to be applied the hydraulic pressure corresponding to the shift lever position. The valve means applies hydraulic pressure to either one of forward and reverse drive clutches and either one of first and second clutches while the vehicle being in driving mode.
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