Seal for an actuating device for a drum brake

Details Seal for an actuating device for a drum brake Seal for an actuating device for a drum brake

1991-03-05

1992-10-06

Oberleitner, Robert J.

Brakes

Vehicle

277212FB, 277181, 188 78, B60T 100

Patent

active

051523760

ABSTRACT:
A seal arrangement is disclosed for an actuating device of a drum brake furnished with an actuating lever which projects through the brake carrier. This arrangement includes an oval pleated bellows (1) fastened by a clamping ring (14) having teeth (15) arranged on its external edge (30) pressed into the wall of a matching, generally elliptical recess. Preferably, the pleated bellows is of asymmetrical configuration and is in a largely unloaded condition in the actuating position of the actuating lever.

REFERENCES:
patent: 1750611 (1930-03-01), Blackmore
patent: 2305265 (1942-12-01), Le Tourneau
patent: 2432803 (1947-12-01), Rice
patent: 3468171 (1969-09-01), Macielinski
patent: 3871493 (1975-03-01), Mathias
patent: 3905246 (1975-09-01), Breckerfelder
patent: 4229010 (1980-10-01), St. Laurent, Jr.
patent: 4322175 (1982-03-01), Szczesny
patent: 4570943 (1986-02-01), Houseman et al.
patent: 4637747 (1987-01-01), Perrin et al.
patent: 4991457 (1991-02-01), Chen
Patent abstracts of Japan-Mar. 8, 1986 vol. 10 No. 59.

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