Speed-change operating lever for a bicycle

Details Speed-change operating lever for a bicycle Speed-change operating lever for a bicycle

1988-02-11

1989-06-20

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74489, 74506, F16C 110, G05G 1100

Patent

active

048400815

ABSTRACT:
A speed-change operating lever is provided for a bicycle derailleur and includes a winding portion for a control wire connected to the derailleur, an operating portion in continuation of one side of the boss and extending outwardly therefrom, and a retaining portion for retaining one end of the wire. The boss has a winding amount changing device for changing the amount of the control wire wound on the winding portion so as to alter the operating stroke of the lever to adapt it for use with different sprocket assemblies having different distances between sprockets.

REFERENCES:
patent: 1540638 (1925-06-01), Laughter
patent: 1558689 (1925-10-01), McBride
patent: 2723570 (1955-11-01), Herrmann
patent: 3362238 (1968-01-01), Hayashi et al.
patent: 4156371 (1979-05-01), Juy
patent: 4409861 (1983-10-01), Sakurai
patent: 4437357 (1984-03-01), Ozaki et al.
patent: 4461189 (1984-07-01), Rottenkolber et al.

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