Disc brake apparatus suitable for bicycles

Details Disc brake apparatus suitable for bicycles Disc brake apparatus suitable for bicycles

1975-08-21

1976-10-12

Halvosa, George E. A.

Land vehicles: wheels and axles

Wheel

With drive or brake attachment

188 18A, 188 26, 188 722, 301 6E, 301105B, B60B 100, F16D 6512

Patent

active

039853918

ABSTRACT:
The rotor of a disc brake apparatus for bicycles comprises a spider that flatwise overlies the outer face of one spoke flange on a wheel hub and is secured by spokes that have their hook portions extending through it and that spoke flange. A flat annular disc has radially inwardly projecting tabs that are secured to the spider and hold the disc in axially spaced relation to the spokes. A U-shaped caliper body straddles an edge portion of the disc. On a shorter leg the body has a fixed brake pad; on its longer leg it carries a movable brake pad that has a compound motion for self-energization. The body is movable in directions parallel to the wheel axis and is carried, in part, by a cup-shaped adapter coaxial to the wheel shaft and confined between a bearing cone for the wheel and an adjacent frame portion. Portions of the body straddle an elongated frame member to confine the body against rotation around the adapter.

REFERENCES:
patent: 348891 (1886-09-01), Curtis
patent: 526317 (1894-09-01), Hendrick et al.
patent: 618572 (1899-01-01), Hinkley

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