Noise attenuated brake friction member

Details Noise attenuated brake friction member Noise attenuated brake friction member

1995-08-04

1996-07-16

Oberleitner, Robert J.

Brakes

Elements

Shoes

188 731, F16D 6502

Patent

active

055358594

ABSTRACT:
A friction material for a brake pad is disclosed which is used in a brake system to attenuate noise generated during a brake application. The friction material has double chamfers on its leading and trailing edges which extend from an engaging surface. Each of the double chamfers has a first surface area located in a first plane and a second surface area located in a second plane with respect to the engaging surface. The first surface area and the second surface area intersect to define an engagement contact edge where the friction material initially engages a rotating member such that path through which frequencies generated during a brake application are changed resulting in an acceptable noise level during a brake application.

REFERENCES:
patent: 3545574 (1970-12-01), Cochrane
patent: 4003451 (1977-01-01), Torok
patent: 4220223 (1980-09-01), Rinker et al.
patent: 4705146 (1987-11-01), Tarter
patent: 5456339 (1995-10-01), Zeng

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