Actuation piston for disc brake with vibration attenuator

Details Actuation piston for disc brake with vibration attenuator Actuation piston for disc brake with vibration attenuator

1989-07-20

1991-05-14

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188264G, F16D 5518, F16D 6578

Patent

active

050148273

ABSTRACT:
A disc brake assembly (10) having an actuation piston assembly 36 which responds to a hydraulic fluid to provide a force for moving brake pads (42, 44) into engagement with a rotor (12). The actuation piston assembly (36) has an elastomeric ring (66, 166, 266, 366) through which the force is transmitted to a brake pad (42) to attenuate any vibrations that may be created during a brake application and as a result a reduction in audible sound.

REFERENCES:
patent: 4401012 (1983-08-01), Emmett
patent: 4513844 (1985-04-01), Hoffman, Jr.
patent: 4537289 (1985-08-01), Von Grunberg et al.

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