Shift mechanism for bicycle

Details Shift mechanism for bicycle Shift mechanism for bicycle

1983-11-14

1993-04-27

Leppink, James A.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

And additional coaxial surface for engaging same belt in...

474162, 474 77, 74348, F16H 5512

Patent

active

052057941

ABSTRACT:
A shift mechanism for a bicycle and the like wherein a chain is shifted from sprocket to sprocket by an operator controlling a lever to position a camming surface to direct a guide pawl to tilt a segment of one sprocket whereby the tilted segment aligns with a nontilted sprocket during chain shifting.

REFERENCES:
patent: 4127038 (1978-11-01), Browning

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