Derailleur having an adjustable fork member for a crank-gear

Details Derailleur having an adjustable fork member for a crank-gear Derailleur having an adjustable fork member for a crank-gear

1982-12-23

1985-05-14

Leppink, James A.

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 900

Patent

active

045169616

ABSTRACT:
The derailleur comprises a chain guiding and shifting device in the form of a fork member (2) articulated to a support (1) adapted to be fixed to the frame of the bicycle. At least one (4) of the wings of the fork member (2) has a part (11) which is adjustable in position so as to adapt the width of the at least one wing (4) to the diameter of the small chain wheel of the crank-gear.

REFERENCES:
patent: 4078444 (1978-03-01), Huret

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