Propulsion system for a bicycle

Details Propulsion system for a bicycle Propulsion system for a bicycle

1996-07-15

1998-07-28

Hurley, Kevin

Land vehicles

Wheeled

Occupant propelled type

280251, B62M 104

Patent

active

057853371

ABSTRACT:
A propulsion system for a bicycle is disclosed. The propulsion system includes first and second levers pivotly mounted to the frame of the bicycle and the cyclist operates the bicycle by pushing the first ends of the levers in up and down directions. In one embodiment, a translation mechanism is connected to the second ends of the levers for translating the up and down movement of the levers into rotational movement of the rear wheel of the bicycle. In another embodiment, an additional translation mechanism is connected to the first ends of the levers for translating up and down movement of the first ends of the levers into rotational movement of the rear wheel of the bicycle.

REFERENCES:
patent: 3759543 (1973-09-01), Clark
patent: 3984129 (1976-10-01), Hege
patent: 4108459 (1978-08-01), Alvigini
patent: 4227712 (1980-10-01), Dick
patent: 4272096 (1981-06-01), Efros
patent: 4300784 (1981-11-01), Efros
patent: 4421334 (1983-12-01), Efros
patent: 4574649 (1986-03-01), Seol
patent: 4630839 (1986-12-01), Seol
patent: 4666173 (1987-05-01), Graham
patent: 5121654 (1992-06-01), Fasce
patent: 5335927 (1994-08-01), Islas

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