Horizontally disposed bicycle derailleur

Details Horizontally disposed bicycle derailleur Horizontally disposed bicycle derailleur

1999-03-22

2000-12-12

Bucci, David 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...

280261, F16H 5900, B62M 102

Patent

active

061591181

ABSTRACT:
A guide pulley mounting mechanism for use with a bicycle derailleur. A rear take-up pulley is mounted to a plunger rod that travels within a plunger frame in a more or less horizontal arrangement with respect to the bicycle frame. A bias spring mechanism urges the rear take-up pulley in an outboard direction such that tension is maintained on the chain as different main gear sprockets are selected.

REFERENCES:
patent: 4023424 (1977-05-01), Ryan et al.
patent: 4384864 (1983-05-01), Bonnard
patent: 4416646 (1983-11-01), Bergles
patent: 4439171 (1984-03-01), Bergles
patent: 4758205 (1988-07-01), Durham
patent: 5213549 (1993-05-01), Blanchard
patent: 5358451 (1994-10-01), Lacombe et al.

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