Bicycle crank mechanism

Details Bicycle crank mechanism Bicycle crank mechanism

1992-06-10

1993-11-02

Lorence, Richard M.

Machine element or mechanism

Elements

Cranks and pedals

745943, 745944, B62M 308

Patent

active

052575624

ABSTRACT:
A crank mechanism for a bicycle includes a crank axle, a crank arm rotatable with the crank axle, a pedal shaft attached to the crank arm, and a pedal rotatably supported by the pedal shaft. The pedal is also movable to and fro relative to and in directions perpendicular to the pedal shaft.

REFERENCES:
patent: 571753 (1896-11-01), Decker
patent: 1714134 (1929-05-01), Poyser
patent: 2024499 (1935-12-01), Baron
patent: 2644345 (1953-07-01), Sebel
patent: 4625580 (1986-12-01), Burt

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