Change control device for a bicycle, particularly a mountain-bik

Details Change control device for a bicycle, particularly a mountain-bik Change control device for a bicycle, particularly a mountain-bik

1996-10-21

1998-08-11

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74142, 74489, 745022, 7447328, 116 281, B62M 2504, B62K 1114, B62K 2306

Patent

active

057911959

ABSTRACT:
A speed change control device for a bicycle, particularly a "mountain-bike" comprises two actuating levers, respectively for controlling down-shifting of the bicycle chain on rear sprockets or front gears of smaller diameter and up-shifting of the chain on sprockets or gears of greater diameter. The control levers are movable in two planes parallel and closed to each other, which are arranged below the handlebar, out of the interference therewith, in the mounted condition of the device on the handlebar. The device further includes a return spring for the rotor on which the flexible control cable is wound, which exerts an action opposite to that of the return spring associated with the rear or front derailleur to which the control cable is connected.

REFERENCES:
patent: 5012692 (1991-05-01), Nagano

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