Disc brake

Details Disc brake Disc brake

1995-03-17

1997-04-01

Butler, Douglas C.

Brakes

Wheel

Axially movable brake element or housing therefor

188 725, 188370, 188 7337, 92172, F16D 55224, F16D 6502

Patent

active

056157541

ABSTRACT:
A disc brake having a plurality of pistons with the same outer diameter fitted in a cylinder portion of a caliper on at least one side of a disc so that the pistons cause a pad to press against the disc. At least one of the pistons has a relatively large wall thickness so that it is different from the other pistons in pad pressing area, and its natural frequency falls outside the range of from 20 Hz to 20 kHz, thereby suppressing the generation of brake noise.

REFERENCES:
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patent: 5277279 (1994-01-01), Shimura
patent: 5363943 (1994-11-01), Iwashita et al.
patent: 5386890 (1995-02-01), Itsuaki

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