Disc brake friction pad assembly
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United States of America Patent
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-
Jun 28, 1994
Grant Date -
N/A
app pub date -
Feb 16, 1993
filing date -
Feb 16, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A friction pad assembly and backing plate therefor features a pair of opposing upper and lower abutments, with the engagement surface of the lower abutments being recessed by a predetermined magnitude relative to the engagement surfaces of the upper abutments. The lower abutments are recessed relative to the upper abutments, such that lower abutments will not contact the bracket which supports the friction pad assembly under resting and light braking conditions. However, the lower abutments at the pressured end of the friction pad assembly will come into contact with the caliper bracket during heavy braking conditions in order to reduce the load on the upper abutment. While the force applied by the pad to the bracket support structure under these conditions may cause the un-pressured end of the friction pad assembly to lift slightly, the clearance thereby produced will be too small to cause perceptible clacking noise upon brake release.
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