Speed change device for bicycles

Details Speed change device for bicycles Speed change device for bicycles

1994-12-27

1996-01-02

Schoeppel, Roger J.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Condition responsive

474 80, 474103, 474110, 474116, 280238, F16H 924, F16H 5900

Patent

active

054803560

ABSTRACT:
A powered control device for speed change in a bicycle comprises an electric motor directly mounted onto the rear derailleur and is provided with an encoder for detecting the position of the rear derailleur.

REFERENCES:
patent: 4946425 (1990-08-01), Buhlmann
patent: 4952196 (1990-08-01), Chilcote et al.
patent: 5059158 (1991-10-01), Bellio et al.
patent: 5356348 (1994-10-01), Bellio et al.
patent: 5358451 (1994-10-01), Lacombe et al.

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