Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1992-02-19
1994-02-15
Butler, Douglas C.
Brakes
Wheel
Axially movable brake element or housing therefor
188250G, 29512, F16D 6900
Patent
active
052858731
ABSTRACT:
The invention relates to the replaceable element which bears against a rotating disc or rotor as part of a disc brake system for a vehicle. The replaceable element includes a backing plate and a friction pad. Unlike typical systems which rivet the pad to the backing plate, the backing plate has integral upstanding fixation studs or nips. The nips are made in the plate by a semi-piercing operation to give an upstanding stud or nip. The nip is then caused to cold flow in a pressing operation to provide a cylindrical collar at the end of the nip. To affix the friction pad to the backing plate an anvil similar to a riveting anvil is forced against the cylindrical collar to turn the collar over to contact the fixation surface of the typical bore holes in the friction pad. Because rivets are eliminated the fixation process can be conducted in a single stroke of a press.
REFERENCES:
patent: 3767018 (1973-10-01), Gordon
patent: 4146118 (1979-03-01), Zankl
patent: 4823921 (1989-04-01), Bosco
patent: 5078237 (1992-01-01), Grzesiak
patent: 5141083 (1992-08-01), Burgoon
Drawing of Certified Brakes, a Lear Siegler Company dated Apr., 1980.
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