Anti-theft vehicle brake-supervising device

Details Anti-theft vehicle brake-supervising device Anti-theft vehicle brake-supervising device

1976-06-30

1977-04-19

Halvosa, George E. A.

Brakes

Operators

Fluid pressure

60569, 1374936, 1374939, 137598, 192 3H, 303 89, B60R 2508

Patent

active

040183149

ABSTRACT:
A vehicle anti-theft device which maintains the braking function of the braking fluid by preventing reverse flow thereof through a closed main valve opening from the wheel cylinder back to the master cylinder until, following an authorized procedure, the main valve opening is cleared. As an improvement over the prior art, the main valve opening is closed manually by a member being seated therein, and this member is then held in place under pressure, the member, however, having an internal pressure-releasing valve for releasing the "holding pressure" when it is necessary to move the member into a clearance position off of the valve opening.

REFERENCES:
patent: 2285781 (1942-06-01), Patrick
patent: 3625573 (1971-12-01), Conn
patent: 3682195 (1972-08-01), Cuetkovich
patent: 3774978 (1973-11-01), Steunton et al.

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