Derailleur for a bicycle

Details Derailleur for a bicycle Derailleur for a bicycle

1988-01-25

1990-01-23

Massie, IV, Jerome W.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

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

474 82, F16H 1108

Patent

active

048955531

ABSTRACT:
A derailleur for a bicycle is provided in which a support member is pivotally supported to a movable member of a linkage mechanism having a forcible movement mechanism. A chain guide is fixed to the support member at adjustable positions, so that the chain guide position can be adjusted by the forcible movement mechanism to change the moving direction of the chain guide. This enables the position of a guide pulley of the chain guide to be adjusted in position with respect to each sprocket of a multi-stage sprocket assembly.

REFERENCES:
patent: 3181383 (1965-05-01), Juy
patent: 4183255 (1980-01-01), Leiter
patent: 4362523 (1982-12-01), Huret
patent: 4406643 (1983-09-01), Shimano
patent: 4573949 (1986-03-01), Nagano
patent: 4627827 (1986-12-01), Juy
patent: 4690663 (1987-09-01), Nagano
patent: 4692131 (1987-09-01), Nagano
patent: 4731045 (1988-03-01), Nagano
patent: 4734084 (1988-03-01), Nagano
patent: 4755162 (1988-07-01), Nagano

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