Shift lever activated parking brake

Details Shift lever activated parking brake Shift lever activated parking brake

1988-01-19

1989-10-24

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74473R, 180271, 29464, B60K 4126

Patent

active

048755630

ABSTRACT:
A system for activating and de-activating a packing brake using only motion of the transmission gear shift lever. A mechanical linkage from the gear shift lever controlling the position of the cam. The cam in turn controls the position of a valve which can connect the spring-activated hydraulically deactivated parking brake to a source of pressurized fluid, or drain the brake. The cam is precisely positioned relative to the valve by a cam support structure, and the entire valve and cam mechanism preferably is mounted on the steering column near the gear shift mechanism. The preferred method for installing the apparatus in proper adjustment also is disclosed.

REFERENCES:
patent: 1909377 (1933-05-01), Neveu
patent: 2725129 (1955-11-01), Martin
patent: 2910156 (1959-10-01), Apple
patent: 3136399 (1964-06-01), Granryd
patent: 3635317 (1972-01-01), Crabb et al.
patent: 3843206 (1974-10-01), Teagle
patent: 4454936 (1984-06-01), Wise
patent: 4603240 (1986-07-01), Hayasaki

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