Rear derailleur for a bicycle

Details Rear derailleur for a bicycle Rear derailleur for a bicycle

1986-06-02

1987-09-01

Novosad, Stephen J.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including belt shiftable axially from one to another surface...

F16H 1108

Patent

active

046906630

ABSTRACT:
The derailleur body is swingably supported to a fixing member through a first horizontal shaft and chain guide is swingably supported to a movable member at the derailleur body through a second horizontal shaft. A first spring and a second spring balance with each other to set a guide sprocket of the chain guide in position with respect to a desired one of multistage chain gears. A stopper plate is rotatably supported to and first horizontal shaft a retains one end of the first spring. The stopper plate includes an adjusting means which changes the position of the stopper plate with respect to an abutting projection at the fixing member to thereby adjust a twist angle of the first spring.

REFERENCES:
patent: 4573951 (1986-03-01), Nagano
patent: 4575365 (1986-03-01), Nagano

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