Wheel cylinder assembly and seal arrangement therein

Details Wheel cylinder assembly and seal arrangement therein Wheel cylinder assembly and seal arrangement therein

1983-10-05

1985-10-01

Halvosa, George E. A.

Brakes

Operators

Fluid pressure

92182, 18832218, 277 27, 277170, 277177, F16D 5124

Patent

active

045440492

ABSTRACT:
A drum brake assembly having a wheel cylinder mounted on arms of a center guide backing plate by means of notches receiving the arms. The cylinder has pistons with low drag O-ring seals in grooves configured to provide seal forces which are aided by brake actuating pressure to assure sealing action. Wiper seals within the wheel cylinder are used in place of boots.

REFERENCES:
patent: 1517593 (1924-12-01), Slate
patent: 2098121 (1937-11-01), Wilkinson
patent: 2603952 (1952-07-01), Dodge
patent: 3062192 (1962-11-01), Webb
patent: 3109661 (1963-11-01), Swain et al.
patent: 3224378 (1965-12-01), Graham
patent: 3616880 (1971-11-01), Shellhause
patent: 4346685 (1982-08-01), Fujikawa

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