Parking brake system with transmission interlock

Details Parking brake system with transmission interlock Parking brake system with transmission interlock

1974-09-19

1976-09-07

Wyche, Benjamin W.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 13R, 188170, 251 26, B60K 2902

Patent

active

039789462

ABSTRACT:
A parking brake system with transmission interlock means is provided with means to override the interlock means. The parking brake system is spring-actuated and fluid pressure released with means to vent the transmission controls when the parking brake is engaged. A special interlock valve is provided to selectively override the normal system to prevent venting of the transmission.

REFERENCES:
patent: 3565220 (1971-02-01), Lammers
patent: 3589484 (1971-06-01), Lammers
patent: 3635317 (1972-01-01), Crabb
patent: 3774736 (1973-11-01), Ito et al.
patent: 3837449 (1974-09-01), Drone
patent: 3854559 (1974-12-01), Talak et al.

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