Brake release mechanism

Details Brake release mechanism Brake release mechanism

1978-06-19

1980-04-01

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 4A, B60K 4120

Patent

active

041957164

ABSTRACT:
A brake release mechanism for a spring-loaded, normally applied vehicle brake releasable by system hydraulic pressure when said system is disabled includes a manual cut-off valve for isolating said brake from the disabled system and manual hydraulic pump means communicating with said brake for supplying fluid pressure thereto.
Manual or pilot operated shunt means are provided for shunting a hydraulic motor associated with the brake to allow free turning thereof during towing.

REFERENCES:
patent: 3201179 (1965-08-01), Ostgaard
patent: 3390523 (1968-07-01), Heidemann et al.
patent: 3672161 (1972-06-01), Krusche et al.
patent: 3854559 (1974-12-01), Talak et al.
C. L. Braun, Design Concepts of the New John Deere JD 750/255 Dual Path Hydrostatic Crawler Tractors; Society of Automotive Engineers; 760407; Apr. 26-28, 1976; pp. 1-12.

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