Speed changing device for a bicycle and the like

Details Speed changing device for a bicycle and the like Speed changing device for a bicycle and the like

1978-06-15

1980-04-22

Braun, Leslie

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74217S, 74501R, F16H 900, F16C 110

Patent

active

041988736

ABSTRACT:
A speed changing device is described for a bicycle or other chain driven vehicle comprising a lever at the steering side, a derailleur having a chain guide switching a driving chain to one of several multi-speed sprockets, a control cable comprising an inner wire transmitting the lever action to the derailleur for operating the chain guide and an outer sheath guiding wire, a pull mechanism for stretching the wire, and an adjustment mechanism for offsetting a change of relative effective length between the inner wire and the outer sheath.

REFERENCES:
patent: 3769848 (1973-11-01), McGuire
patent: 4027542 (1977-06-01), Nagano
patent: 4038878 (1977-08-01), Dian
patent: 4055093 (1977-10-01), Ross

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