Bicycle wheel hub with coaster brake

Details Bicycle wheel hub with coaster brake Bicycle wheel hub with coaster brake

1978-04-20

1980-11-25

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 47, 192 78, F16D 4134

Patent

active

042353181

ABSTRACT:
The braking effect of the coaster brake in a bicycle wheel hub is improved by utilizing the frictional force of the wheel hub acting on an expanding split brake sleeve for further expanding the sleeve. A lug on the brake sleeve is received in a slot of a stationary bearing cone on the wheel axle in such a manner that the circumferential frictional force transmitted by the rotating hub shell to the brake sleeve causes the latter to tilt about a pivot axis spaced from the axis of hub rotation, and a cam face on the bearing element is inclined so that a component of the frictional circumferential force drives the lug along the cam face toward the internal face of the hub shell.

REFERENCES:
patent: 606217 (1898-06-01), Hoffman
patent: 635414 (1899-10-01), Anderson
patent: 675261 (1901-05-01), Barton
patent: 691663 (1902-01-01), Quinn
patent: 747576 (1903-12-01), Barton
patent: 2224907 (1940-12-01), Gee
patent: 2376042 (1945-05-01), English
patent: 3190415 (1965-06-01), Schwerdhofer et al.

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