Fail-safe brake for a vehicle

Details Fail-safe brake for a vehicle Fail-safe brake for a vehicle

1975-07-21

1976-08-17

Blix, Trygve M.

Brakes

Operators

Spring

188 723, 188366, 192 91A, F16D 6524

Patent

active

039748960

ABSTRACT:
A fail-safe brake for a vehicle and including friction-type brake members and hydraulic pressure-type piston members operable on the brake members. Springs are also operable on the brake members for positioning and holding the brake members in braking relationship when the hydraulic pressure is absent. Also, hydraulic pressure can be utilized for overcoming the springs and releasing the brake members. The system includes hydraulic pumps and valves for controlling flow to and from the brake unit itself. A piston pilot member and a piston guide cylinder both guide the pistons.

REFERENCES:
patent: 3145816 (1964-08-01), Lorean et al.
patent: 3188922 (1965-06-01), Cruse
patent: 3547233 (1970-12-01), Girvan
patent: 3647030 (1972-03-01), Burnett
patent: 3831718 (1974-08-01), Muller et al.
patent: 3842949 (1974-10-01), Newstead
patent: 3893549 (1975-07-01), Bennett
patent: 3895695 (1975-07-01), Hunter

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