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

1994-02-16

1995-08-29

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74339, 744115, 192 53F, B60K 4126, F16H 338

Patent

active

054452538

ABSTRACT:
A neutral-reverse shift control actuator is provided in a countershaft transmission. The actuator is comprised of a spring member and utilizes one of the forward ratio synchronizers. During a neutral-reverse shift maneuver, the spring member is effective to enforce engagement of the cone clutch of the forward synchronizer which, through a connection with a stationary output shaft, will retard rotation of the input shaft.

REFERENCES:
patent: 4221283 (1980-09-01), Nordkvist
patent: 4463622 (1984-08-01), Freiburger
patent: 4467665 (1984-08-01), Katayama et al.
patent: 4572020 (1986-02-01), Katayama
patent: 4889003 (1989-12-01), Rietsch

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