Brakes – Elements – Cooling and lubricating
Patent
1982-08-27
1984-04-10
Butler, Douglas C.
Brakes
Elements
Cooling and lubricating
188250B, 188 2412, 403408, F16D 6904, F16D 6578
Patent
active
044415923
ABSTRACT:
A bicycle brake assembly having a heat sink member with generally disk-shaped fins, the member having a planar surface for abuttingly engaging a coplanar surface of a brake shoe member, the brake shoe member having a friction material molded on a thermally conductive support disc configured for thermal engagement with the heat sink member. The heat sink member has an aperture extending therethrough for receiving the stud of the brake shoe member with the parts being separable so that the heat sink member need not be discarded on wearing out of the friction material of the brake shoe member. The aperture of the heat sink member is preferably threaded to maintain a thermally conductive path between the coplanar surface of the brake shoe member and the heat sink surface. The heat sink member provided with a concave recess about the stud, with a first washer member having a matingly configured surface while pivotally engaging the recess. A second washer member and a nut member have similarly configured coacting surfaces with the parts being dimensioned and configured so that with the stud passing through the slotted opening of a caliper brake arm with the first and second washer members on opposite sides thereof, angular positioning of the brake pad relative to the rim may be effected.
REFERENCES:
patent: 3776333 (1973-12-01), Mathauser
patent: 3986585 (1976-10-01), Toplis et al.
patent: 4036333 (1977-07-01), Mathauser
patent: 4051924 (1977-10-01), Yoshigai
patent: 4334599 (1982-06-01), Ritsema et al.
Butler Douglas C.
Kool-Stop International Inc.
Oberleitner Robert J.
Roberts Edward E.
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