Automatic transmission shift control device

Details Automatic transmission shift control device Automatic transmission shift control device

1989-11-27

1991-05-21

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74483R, 180271, B60K 4126

Patent

active

050167383

ABSTRACT:
In an automatic transmission shift control device, a rocking lever and a second biasing unit are provided for holding a selector lever in a shiftable condition when the selector lever is in one of the gear positions other than a parking position. A first biasing unit is provided for holding the selector lever in a locked condition when the selector lever is in the parking position. A solenoid is provided for releasing the selector lever from a locked condition when energized. The solenoid is energized only when a brake pedal is fully depressed under a condition where an ignition key is in an "ON" position and the selector lever is in the park position.

REFERENCES:
patent: 4473141 (1984-09-01), Mochida
patent: 4884668 (1989-12-01), Kobayashi et al.
patent: 4909096 (1990-03-01), Kobayashi

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