Driving device for bicycle

Details Driving device for bicycle Driving device for bicycle

1990-04-23

1991-03-26

Marmor, Charles A.

Land vehicles

Wheeled

Occupant propelled type

280262, 74 67, 74421R, 745942, B62M 1102

Patent

active

050022962

ABSTRACT:
A driving device without chain for bicycle comprises a driving wheel mounted to a crank shaft, a rear gear mounted to a wheel hub for mounting a rear wheel of the bicycle, an input gear coupled with the driving wheel by means of an interconnecting link and a gear set having two identical gears respectively engaging the rear gear and the input gear.

REFERENCES:
patent: 616665 (1898-12-01), Hartzell
patent: 630093 (1899-08-01), Noar
patent: 1332709 (1920-03-01), Chrobak
patent: 4662644 (1987-05-01), Nelson

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