Multi-speed transmission hub

Details Multi-speed transmission hub Multi-speed transmission hub

1977-11-17

1979-04-03

Chandler, Lance W.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74750B, F16H 344, F16D 6700

Patent

active

041472446

ABSTRACT:
A multi-speed transmission hub for a bicycle having a multi-speed change mechanism and a braking mechanism for braking action by back-pedaling, in which first transmitting members of pawl shape serve to transmit the driving force from the speed-change mechanism to a hub shell and are urged by a pawl spring in the direction of being disengaged from first inner teeth of the hub shell, while, the transmitting members are adapted to be engaged with the first inner teeth by use of differential rotary speed between a gear frame and ring gear of the speed-change mechanism, when a driving member is normally rotated.

REFERENCES:
patent: 3122226 (1964-02-01), Schuller et al.
patent: 3366206 (1968-01-01), Shimano
patent: 3608683 (1971-09-01), Fujisawa
patent: 3670856 (1972-06-01), Segawa
patent: 3828627 (1974-08-01), Schwerdhofer
patent: 3973451 (1976-08-01), Kine

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