Speed changing device for a bicycle

Details Speed changing device for a bicycle Speed changing device for a bicycle

1979-09-19

1981-12-08

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74501R, 474 81, G05G 900

Patent

active

043041434

ABSTRACT:
A speed changing device for a bicycle comprises a lever unit and a winding unit. The lever unit has a control lever, a first winding body carrying a first control wire connected to a front or rear derailleur, and an engagement for selectively transmitting rotation of the control lever to the first winding body. The winding unit has a second winding body having an engaging portion engageable with the engaging means and carrying a second control wire connected to the other derailleur, and is detachably mounted to the lever unit by means of a coupling.

REFERENCES:
patent: 804971 (1905-11-01), Packard et al.
patent: 2544853 (1951-03-01), Oates
patent: 2961890 (1960-11-01), Marshall
patent: 3018670 (1962-01-01), Lohn
patent: 3808907 (1974-05-01), Yamaguchi

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