Gear crank for a bicycle

Details Gear crank for a bicycle Gear crank for a bicycle

1979-06-11

1981-11-17

Kee Chi, James

Machine element or mechanism

Elements

Cranks and pedals

G05G 114, B62M 102

Patent

active

043004113

ABSTRACT:
A gear crank for a bicycle comprises a crank shaft, a pair of crank arms and at least one chain gear, the crank shaft carrying at its one axial end one of the crank arms and a larger diameter portion onto which the chain gear is connected not-rotatably with respect to the crank shaft.

REFERENCES:
patent: 652972 (1900-07-01), Lusebrink
patent: 4201120 (1980-05-01), Segawa

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