Friction pad for use with disc brake

Details Friction pad for use with disc brake Friction pad for use with disc brake

1989-06-02

1990-05-22

Butler, Douglas C.

Brakes

Wheel

Axially movable brake element or housing therefor

188250B, 188251A, 188251M, F16D 6902

Patent

active

049269780

ABSTRACT:
Improved friction pads for use with disc brake. The pad has a central main portion and a peripheral portion which are formed of different matrices having different compositions. The matrix of the central main portion contains a hard substance or substances having a specified range of hardness whereas the matrix of the peripheral portion does not contain such hard substances or contains in only a limited smaller amount than the central main portion. This prevents the brake disc from wearing due to friction with the pad and thus avoids uneven abrasion of the brake disc.

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