Brake caliper shock and vibration isolation system

Details Brake caliper shock and vibration isolation system Brake caliper shock and vibration isolation system

1995-01-25

1996-08-20

Butler, Douglas C.

Brakes

Vehicle

Railway

188205A, B61H 1300

Patent

active

055470475

ABSTRACT:
A system includes rigid non-metal washers separating a caliper lever from the bridge, a rigid non-metal bridge bushing separating a shaft of a bridge pin from the bridge and a rigid non-metal lever bushing separating the bridge pin from the lever. The bridge bushing and lever bushing absorb shock and transmit forces between the bridge pin, bridge and lever during the initial phase of the actuation of the brake caliper assembly. A non-metal spring is provided between the bridge pin and the lever to retard vibration of the bridge pin relative to the lever when the brake caliper assembly is not activated. The spring preferably includes at least one ring between the bridge pin and the lever and is in a recess of the lever bushing. The ring is pre-loaded by the bridge pin.

REFERENCES:
patent: 2374859 (1945-05-01), Gaenssle
patent: 2827303 (1958-03-01), Herbenar
patent: 3152846 (1964-10-01), Dumpis
patent: 3193335 (1965-07-01), Wing
patent: 3989126 (1976-11-01), Katzer
patent: 4053034 (1977-10-01), Katzer
patent: 4446948 (1984-05-01), Melinat
patent: 4480722 (1984-11-01), Wirth
patent: 4766980 (1988-08-01), Engle
patent: 5058712 (1991-10-01), Noah

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