Fluid actuated brake locking mechanism

Details Fluid actuated brake locking mechanism Fluid actuated brake locking mechanism

1977-03-31

1979-02-20

Barefoot, Galen L.

Fluid-pressure and analogous brake systems

Locks

92 24, 188265, B60T 1716

Patent

active

RE0299138

ABSTRACT:
A brake locking mechanism for heavy vehicles, adapted to be installed in existing braking systems without altering the normal operation thereof, functions to prevent involuntary movement of the vehicle, due to system failure such as air or hydraulic fluid leakage, while standing. The mechanism includes a spring biased pawl engageable with rack teeth formed on the diaphragm actuated brake rod, the pawl being operated by an air or hydraulically actuated piston associated therewith and connected into the vehicle air or hydraulic system.

REFERENCES:
patent: 1176625 (1916-03-01), Tyson
patent: 1295020 (1919-02-01), Fallek
patent: 2041065 (1936-05-01), Hemphill
patent: 2099453 (1937-11-01), Searle
patent: 2108182 (1938-02-01), Searle
patent: 2121366 (1938-06-01), Robinson
patent: 2579616 (1951-12-01), Sahlgaard
patent: 3182566 (1965-05-01), Berg et al.
patent: 3282169 (1966-11-01), Leighton
patent: 3312314 (1967-04-01), Peters
patent: 3482666 (1969-12-01), Case et al.

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