Front derailleur for a bicycle including a wire guide extension

Details Front derailleur for a bicycle including a wire guide extension Front derailleur for a bicycle including a wire guide extension

1979-11-29

1981-12-15

Husar, C. J.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

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

74501R, F16C 126, F16H 1102

Patent

active

043057128

ABSTRACT:
Disclosed is an improved front derailleur for a bicycle, of that type which comprises a fixing member, two linkage members and a movable member having a chain guide the derailleur being operated by a control wire to move the movable member for changing the bicycle speed. The fixing member is provided with an extension which extends therefrom downwardly of the bicycle frame and has a lowermost end positioned in the vicinity of a bottom bracket at the bicycle, the extension having at the lower end portion thereof a wire guide for guiding the control wire.

REFERENCES:
patent: 3730012 (1973-05-01), Juy
patent: 4223563 (1980-09-01), Kine
patent: 4226130 (1980-10-01), Isobe

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