Propulsion mechanism for lever propelled bicycles

Details Propulsion mechanism for lever propelled bicycles Propulsion mechanism for lever propelled bicycles

1985-07-29

1986-12-23

Love, John J.

Land vehicles

Wheeled

Occupant propelled type

280236, B62M 104

Patent

active

046308393

ABSTRACT:
A bicycle having pivoted lever pedal system (1, 2, 45) and lever arm length or gear ratio (speed) change devices (3, 4, 5, 6). Propulsion forces from the lever pedals (1) are transferred via the lever arm length change device (3) through a flexible interconnecting cable and pulley system (7, 8, 9, 10, 11, 12, 13) to a rear drive hub assembly 14 having a pair of one-way clutches which allow the transfer of forward driving forces and enable the bicycle to be rolled back.

REFERENCES:
patent: 3759534 (1973-09-01), Clark
patent: 4421334 (1983-12-01), Efros

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