Bicycle shift controller

Details Bicycle shift controller Bicycle shift controller

2006-10-13

2010-11-30

Ridley, Richard W (Department: 3656)

Machine element or mechanism

Control lever and linkage systems

Hand operated

C074S489000, C074S473140, C074S551800

Reexamination Certificate

active

07841258

ABSTRACT:
A bicycle shift controller is provided with two independently operable levers that are operatively coupled to a cable take up member disposed in a base member configured to be mounted to a handlebar. The cable take up member rotates about a rotational axis for winding and releasing a control cable in response to pivotal movement of the levers. A first one of the levers has a first operating portion with a first operating surface and a second operating portion with a second operating surface. The second operating surface is angularly offset from the first operating surface about a first lever pivot axis of the first lever. The first and second levers pivot from a rest position to a shift position for rotating the cable take up member in opposite directions.

REFERENCES:
patent: 5012692 (1991-05-01), Nagano
patent: 5191807 (1993-03-01), Hsu
patent: 5203213 (1993-04-01), Nagano
patent: 6450060 (2002-09-01), Shahana
patent: 6581568 (2003-06-01), Kramer
patent: 6820710 (2004-11-01), Fechner
patent: 2004/0040402 (2004-03-01), Tsumiyama et al.

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