Derailler for a cycle having an orientable chain guiding device

Details Derailler for a cycle having an orientable chain guiding device Derailler for a cycle having an orientable chain guiding device

1983-10-05

1985-02-19

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 722

Patent

active

045003025

ABSTRACT:
The derailler comprises a support 4 for a chain guiding device 12, 13 which is connected to the support by a deformable articulation structure which, under the action of a pulling cable, positions the chain guiding device relative to the free-wheel sprockets. The deformable articulation structure comprises a deformable quadrilateral structure 6, 7 to 11, at least two sides of which quadrilateral structure are unequal.

REFERENCES:
patent: 3798988 (1974-03-01), Nagano
patent: 4061048 (1977-12-01), Huret et al.
patent: 4185510 (1980-01-01), Juy

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