Speed control device for a bicycle

Details Speed control device for a bicycle Speed control device for a bicycle

1986-07-30

1988-05-10

Novosad, Stephen J.

Endless belt power transmission systems or components

Pulley with expansible rim means or pulleys with alternately...

Structure for variably adjusting radius of rim section

474 49, F16H 910, F16H 902

Patent

active

047432225

ABSTRACT:
A speed control device for a bicycle having a positioning mechanism provided with a first positioning portion having engaging portions corresponding in number to the speed change stages, a second positioning portion having engaging portions larger in number than the engaging portions of the first positioning portion, and at least one engaging member engageable with the respective engaging portions of the first and second positioning portions, thereby enabling the number of speed change stages set by the positioning mechanism to be changed by selecting engagement with one of the first and second positioning portions.

REFERENCES:
patent: 3956944 (1976-05-01), Tompkins
patent: 3969948 (1976-07-01), Pipenhusen, Jr.
patent: 4521207 (1985-06-01), Husted
patent: 4645475 (1987-02-01), Husted

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