Bicycle shifting control unit

Details Bicycle shifting control unit Bicycle shifting control unit

1996-06-05

1997-11-04

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

74142, 74475, 745022, B62M 2504, B62K 2306

Patent

active

056827946

ABSTRACT:
A bicycle shifting control unit includes a control member operable by a user, and a rotating body for rotating in one direction to wind a shifting cable and for rotating in another direction to unwind the shifting cable. A first transmission transmits movement of the control member into rotation of the rotating body at a first transmission ratio, and a second transmission transmits movement of the control member into rotation of the rotating body at a second transmission ratio. The second transmission ratio is greater than the first transmission ratio. A coupling mechanism is provided for allowing the control member to be selectively coupled to the first and second transmissions.

REFERENCES:
patent: 5012692 (1991-05-01), Nagano
patent: 5044213 (1991-09-01), Nagano
patent: 5203213 (1993-04-01), Nagano
patent: 5617761 (1997-04-01), Kawakami

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