S cam bushing assembly

Details S cam bushing assembly S cam bushing assembly

2003-09-26

2010-10-26

Burch, Melody M (Department: 3657)

Brakes

Wheel

Transversely movable

C188S329000, C403S365000

Reexamination Certificate

active

07819231

ABSTRACT:
A support assembly for supporting a S cam, the S cam being an intermediary device between a brake actuator and a set of wheel brakes and is generally an elongate metal rod shank having an S-head at one end and a set of splines at the other end, the S-head having at least one arm for engaging a respective brake shoe, whereby rotation of the S cam in a first direction causes the at least one arm of the S-head act on the brake shoe to frictionally engage the brake shoe with a brake drum, the brake drum being affixed to a wheel, includes single bushing rotationally supporting the S cam. A method of supporting the S cam is further included.

REFERENCES:
patent: 2382554 (1945-08-01), Eksergian et al.
patent: 2886141 (1959-05-01), House
patent: 3076531 (1963-02-01), Fisher et al.
patent: 3497037 (1970-02-01), Deibel
patent: 4346535 (1982-08-01), Asano et al.
patent: 4576488 (1986-03-01), Steiner et al.
patent: 4838389 (1989-06-01), Mamery
patent: 5887687 (1999-03-01), Williams
patent: 6240806 (2001-06-01), Morris et al.
patent: 6450073 (2002-09-01), Boyer et al.

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