Bicycle brake

Details Bicycle brake Bicycle brake

1981-09-16

1984-07-31

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

745942, 188 2421, B62L 500

Patent

active

044624883

ABSTRACT:
A bicycle braking system incorporates a pedal crankshaft operated brake actuator, a lost motion connection in the chain drive to the rear wheel of the bicycle, the lost motion being taken up by a highly progressive spring of sufficient strength to require a significant proportion of normal pedalling torque to overcome its action, and a brake incorporating a resilient stirrup supported at three points distributed around the rim of the rear wheel of the bicycle, the stirrup arms being subjected to a wedging action upon actuation of the brake causing brake shoes mounted on the stirrup to grip the rim of the wheel with a caliper action.

REFERENCES:
patent: 3831716 (1974-08-01), Orozco
patent: 3884334 (1975-06-01), Mack
patent: 4134481 (1979-01-01), Calderazzo
patent: 4199046 (1980-04-01), Boyd
patent: 4261449 (1981-04-01), Foster

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