Steer axle brake assembly

Details Steer axle brake assembly Steer axle brake assembly

1996-04-10

1997-04-29

Oberleitner, Robert J.

Brakes

Wheel

Transversely movable

280 961, B62D 718

Patent

active

056240112

ABSTRACT:
A pair of arcuate brake shoes in a vehicle brake assembly are pivotably supported on a pivot pin which is directly mounted to a steering knuckle add activated by an S-cam type actuator where an S-cam actuator shaft is supported in a support tube which is attached directly to the steering knuckle thereby eliminating the traditional brake spider. Rotation of the S-cam causes a pair of cam followers to separate the brake shoes resulting in frictional contact between the brake shoes and a brake drum. Elimination of the brake spider to support the pivot pin and the S-cam actuator shaft housing reduces complexity for lower cost and improved performance.

REFERENCES:
patent: 1755627 (1930-04-01), Bijur
patent: 2885035 (1959-05-01), Rubly
patent: 3497037 (1970-02-01), Deibel
patent: 4245725 (1981-01-01), Kurita et al.
patent: 4552254 (1985-11-01), Baltare
patent: 4693487 (1987-09-01), Cooper
patent: 4761019 (1988-08-01), Dubensky
patent: 4905800 (1990-03-01), Mathews
patent: 5219176 (1993-06-01), Mitchell

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