B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/70
B60T 1/00 (2006.01) B60T 11/10 (2006.01) B60T 13/22 (2006.01) B60T 13/68 (2006.01) B60T 17/22 (2006.01)
Patent
CA 1162963
VEHICLE BRAKE SYSTEM Abstract of the Disclosure A vehicle brake system for operating a spring applied, fluid pressure released brake. In order to assure that the brake is fully released before the vehicle is operated, the system requires the oper- ator to perform two operations. He must move a manually operated hydraulic valve to the brake release position and in addition must close a normally open, momentary contact switch which actuates a second solenoid operated valve in series with the first valve to the brake release position. When pressure has built up in the brake actuator sufficiently to assure that the solenoid operated valve to be energized whereupon the operator can then release the momentary contact switch. -0-
380023
Duttarer Ralph M.
Estkowski Michael H.
Smith Russell P.
Clark Equipment Company
Riches Mckenzie & Herbert Llp
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