Transmission spring loaded shift device

Details Transmission spring loaded shift device Transmission spring loaded shift device

1994-08-04

1996-05-21

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

192109A, F16H 5902, F16H 6332

Patent

active

055178766

ABSTRACT:
A transmission shifting system for a gear change transmission where an actuator responding to a control signal is used to axially displace a secondary shift rail thereby preloading a spring acting upon a primary shift rail where a coupling element permits relative motion between the secondary shift rail and the primary shift rail until gear synchronization or a torque break occurs allowing the desired gear shift to occur. The relative motion which results in a spring preload force to be generated on the primary shift rail continues until the secondary shift rail contacts the portion of the coupler adjacent to a primary flange formed as part of the primary shift rail whereupon the actuator is solidly linked to the shift rail and a shift fork.

REFERENCES:
patent: 4449416 (1984-05-01), Huitema
patent: 4497396 (1985-02-01), Davis
patent: 4498350 (1985-02-01), Ross
patent: 4938088 (1990-07-01), Langley et al.

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