Brake booster

Details Brake booster Brake booster

1982-08-24

1984-01-03

Hershkovitz, Abraham

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

Non-metallic seal means between piston or member and end...

60594, 277143, F16J 1518

Patent

active

044236662

ABSTRACT:
A brake booster for automotive vehicles in which a seal is employed for assuring hermetic connection between an output rod and a housing having a cup-shaped portion. The seal includes an annular sealing member through which the output rod is passed slidably and hermetically and a retainer for positively supporting the sealing member. The retainer is provided with a plurality of hooks to engage the cup-shaped portion so that the annular sealing member will be brought at a bead portion thereof to hermetic abutment against the housing.

REFERENCES:
patent: 3178191 (1965-04-01), Dodd
patent: 3279327 (1966-10-01), French
patent: 3410179 (1968-11-01), Kytta
patent: 3678687 (1972-07-01), Watabe
patent: 3699680 (1972-10-01), Shellhause
patent: 3724211 (1973-04-01), Julow
patent: 4274258 (1981-06-01), Shirai

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