Derailleur for a bicycle

Endless belt power transmission systems or components – Control for variable input to output speed-ratio – Including belt shiftable axially from one to another surface...

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474 80, F16H 900

Patent

active

045739510

ABSTRACT:
A derailleur for a bicycle, which is provided with a linkage mechanism comprising a base member, a pair of linkage members and a movable member having a chain guide, in which one of the four members constituting the linkage mechanism is provided with a mounting base entering into a space in the linkage mechanism. A tightening member having at the upper end thereof a control, is mounted to the base in the relation that the tightening member extends lengthwise vertically, so that a jig inserted into the space tightens the tightening member to thereby tightly grip the control wire.

REFERENCES:
patent: 3979962 (1976-09-01), Kebsch
patent: 4027542 (1977-06-01), Nagano
patent: 4406643 (1983-09-01), Shimano
patent: 4469479 (1984-09-01), Ozaki

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