Shift control mechanism for a multi-speed countershaft transmiss

Details Shift control mechanism for a multi-speed countershaft transmiss Shift control mechanism for a multi-speed countershaft transmiss

1994-07-25

1996-02-20

Pitts, Andrea L.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74475, 74476, B60K 4126

Patent

active

054922097

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.

REFERENCES:
patent: 4510819 (1985-04-01), Inui
patent: 4531418 (1985-07-01), Takahasi et al.
patent: 4584895 (1986-04-01), Holmes
patent: 4601214 (1986-07-01), Fukuchi
patent: 4605109 (1986-08-01), Fukuchi et al.

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