Bushing assembly for a caliper disk brake

Details Bushing assembly for a caliper disk brake Bushing assembly for a caliper disk brake

1996-07-19

1998-03-24

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188 711, F16D 6514

Patent

active

057302588

ABSTRACT:
A bushing assembly (30) for a caliper disk brake includes a pair of bushings (32) opposingly disposed on a common centerline (34) in a caliper brake bolt bore (56). Each bushing (32) has a cylindrical body section (40) and a flange (50) extending from the body section (40). The body section (40) has a plurality of ribs (52) extending radially inward from the inner surface (54) of the body section (40) and a circumferential groove (60) in the outer surface (62) of the body section (40). The groove (60) is configured to seat a retainer ring (36) that prevents the bushing (32) from being ejected from the bolt bore (56) in which the bushings (32) are installed. The bushing assembly (30) prevents the caliper arm (16) from binding to the caliper bolts (18) when corrosion builds around the caliper bolt (18) by providing a space (72) between the second ends (44) of the bushings (32).

REFERENCES:
patent: 2328877 (1943-09-01), Gallagher
patent: 4228726 (1980-10-01), Rinker et al.
Feb. 1992 General Motors Service Parts Operations--Chevrolet--18J Manual; pp. 4-64.

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