Bicycle wheel drive

Details Bicycle wheel drive Bicycle wheel drive

1978-01-26

1979-10-02

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Occupant propelled type

280252, B62M 104

Patent

active

041696093

ABSTRACT:
A bicycle wheel drive has a pair of pedals arranged for reciprocal motion at a slight angle from vertical beneath and forwardly of the seat of a bicycle. Sprockets on the bicycle at the opposite ends of the paths of the reciprocable pedals receive bicycle chains, at least one of which is also engaged on a sprocket on a wheel of the bicycle to be driven. Carriages movable in the reciprocable path of the pedals mount the pedals and one-way ratchets incorporating sprockets mounted on the carriages engage the bicycle chains so that alternate up and down movement of the pedals by a bicycle rider imparts a continuous rotary motion to the sprocket on the driven wheel of the bicycle. A flexible cable interconnects the carriages carrying the pedals and is trained over an idler pulley near the upper end of the reciprocal path of the pedals so that downward motion of one of the pedals imparts upward motion to the other pedal.

REFERENCES:
patent: 556802 (1896-03-01), Boyle
patent: 566838 (1896-09-01), Boyle
patent: 661630 (1900-11-01), Allen
patent: 3891235 (1975-06-01), Shelly

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