Waterproof seal ring for power brake booster housing

Details Waterproof seal ring for power brake booster housing Waterproof seal ring for power brake booster housing

1984-03-28

1984-11-13

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 24, 277 29, 277152, 277215, 277 84, 60453, F16J 1516, F16J 1532

Patent

active

044821603

ABSTRACT:
A waterproof seal ring, to be fitted between the contacting surfaces of a master cylinder body and the front wall of a power booster housing surrounding a bulge of the housing through which a push rod is inserted and having a downwardly extended passage groove formed in the lower part of the wall, has a circumferential vent groove formed on the pressure-contact side of the ring. The vent groove is communicated at the lower end with the passage groove in the front wall of the booster housing and at the upper end with the space inside the bulge.

REFERENCES:
patent: 3232628 (1966-02-01), Brand
patent: 3943717 (1976-03-01), Schexnayder
patent: 4009572 (1977-03-01), Cooper
patent: 4234196 (1980-11-01), Iida
patent: 4337953 (1982-07-01), Ikeda et al.

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