Bicycle rear derailleur

Details Bicycle rear derailleur Bicycle rear derailleur

1978-10-16

1980-10-07

Braun, Leslie

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

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

474134, 474135, F16H 900, F16H 712

Patent

active

042261317

ABSTRACT:
A bicycle rear derailleur which comprises a first shaft on which a guide pulley guard is pivotally mounted and resiliently urged in one direction, a second shaft supported by the guide pulley guard, an inner pulley rotatably mounted on the second shaft, a guide pulley rotatably mounted on the inner pulley, a tension link mounted at its upper end to the second shaft so as to be coaxially movable with the inner pulley and resiliently urged so as to be swingable in one direction, a tension pulley rotatably mounted on a third shaft which is supported by the tension link and a tension pulley guard.

REFERENCES:
patent: 3181383 (1965-05-01), Juy
patent: 3364762 (1968-01-01), Maeda
patent: 3364763 (1968-01-01), Juy
patent: 3677103 (1972-07-01), Huret et al.
patent: 3702080 (1972-11-01), Huret et al.
patent: 3896679 (1975-07-01), Huret et al.
patent: 4061048 (1977-12-01), Huret et al.

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