Method and apparatus for positioning a bicycle derailleur chain

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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474127, 474128, F16H 5900

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active

057280185

ABSTRACT:
A bicycle derailer of the type wherein a movable derailer member moves relative to another member for positioning the chain guide relative to a first sprocket and a second sprocket. An indicating member is disposed on one of the movable derailer member or the other member, and indicium is disposed on the other one of the movable member or the other member. A relative position between the indicating member and the indicium indicates a position of the chain guide relative to the first sprocket and the second sprocket. Thus, the derailer may be adjusted to a desired position by moving the chain guide so that the indicating member is set to a desired position relative to the indicium.

REFERENCES:
patent: 3901095 (1975-08-01), Wechsler
patent: 4194409 (1980-03-01), Nagano
patent: 4198873 (1980-04-01), Nagano et al.
patent: 4226130 (1980-10-01), Isobe
patent: 4486182 (1984-12-01), Coue
patent: 5496222 (1996-03-01), Kojima et al.
European Search Report for EP 95 30 7957, dated Oct. 3, 1996.

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