Disc brake caliper housing

Details Disc brake caliper housing Disc brake caliper housing

1990-05-16

1991-08-06

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188 7337, 188370, F16D 5522

Patent

active

050369326

ABSTRACT:
A disc brake (10) for a motor vehicle comprising a rotor (12); inner and outer brake pads (14,16) disposed on opposite sides of the rotor and movable into braking engagement therewith; a piston (18) for urging the inner brake pad against the rotor; a support member securable to the motor vehicle; and a caliper housing (22) slidably supported on the support member, the caliper housing having a cylinder (20) positioned on one side of the rotor and containing the piston, and an arm member (26) on the other side of the rotor for urging the outer brake pad into engagment with the rotor when the piston acts on the inner brake pad, the arm member comprising a first limb (28) on the leading side of the arm member relative to a normal direction of rotation of the rotor, and a second limb (30) on the trailing side of the arm member relative to a normal direction of rotation of the rotor, each limb having a boss (32,34) protruding therefrom for engaging the outer brake pad, the boss (22) on the first limb having a smaller engaging surface area (A) than the engaging surface area (B) of the boss (34) of the second limb, and the first limb being less flexible than the second limb. Prevents or reduces tapered wear of brake pad linings.

REFERENCES:
patent: 4130186 (1978-12-01), de Gennes
patent: 4410070 (1983-10-01), Hagiwara et al.
patent: 4940119 (1990-07-01), Kondo et al.

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