Anti-squeal shim in a disc brake

Details Anti-squeal shim in a disc brake Anti-squeal shim in a disc brake

1987-05-26

1988-02-02

Kashnikow, Andres

Brakes

Wheel

Axially movable brake element or housing therefor

188250E, 192 30V, F16D 6502, F16D 6900, F16D 1110

Patent

active

047224240

ABSTRACT:
An anti-squeal shim interposed between a brake pad with a backing plate attached thereto, and a piston of circular transverse cross sectional shape, in a disc brake wherein the piston is slidably received in a cylinder portion of a caliper such that the centerline of the piston is parallel to an axis of rotation of a disc rotor, the piston being moved with a brake fluid pressure applied to the cylinder portion, and urging the brake pad against a friction surface of the disc rotor to thereby restrain a rotary movement of the disc rotor. The anti-squeal shim is gripped, upon application of the brake fluid pressure to the cylinder portion, only by radially-outer portions of opposite abutting surfaces of the piston and the backing plate which are spaced from the centerline of the piston in a radially outward direction of the disc rotor.

REFERENCES:
patent: 3490563 (1970-01-01), Hahm
patent: 3848708 (1974-11-01), Noguchi
patent: 4155430 (1979-05-01), Kawamura
patent: 4527668 (1985-07-01), Davidson

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