Shift control mechanism for a multi-speed countershaft transmission
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United States of America Patent
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Feb 20, 1996
Grant Date -
N/A
app pub date -
Jul 25, 1994
filing date -
Feb 16, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A neutral-reverse shift control actuator is provided in a countershaft transmission. The actuator is operatively connected through a resilient detent mechanism to a forward shift control mechanism. During a neutral-reverse shift maneuver, the drive connection partially manipulates the forward synchronizer, such that synchronization between the input and output shaft is achieved during a reverse shift maneuver. During a five-six or six-five shift, a detent structure is available to reduce the 3-4 neutral force of the centering spring in the shift control mechanism.
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