Extension handle for a bicycle shifting device

Details Extension handle for a bicycle shifting device Extension handle for a bicycle shifting device

1996-02-14

1998-06-23

Marmor, Charles A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

745022, 74475, G05G 1100

Patent

active

057689458

ABSTRACT:
A bicycle shift control device for attachment to a handlebar including a first grip extending laterally with respect to the bicycle and a second grip extending forwardly with respect to the bicycle. The device includes first and second shift levers extending from the shift control device so that the first and second shift levers are disposed in close proximity to the first grip and to the second grip when the shifting device is mounted to the bicycle. Each shift lever includes a first finger tab positioned so that the first finger tab is disposed in close proximity to the first grip when the shift control device is mounted to the bicycle, and a second finger tab positioned so that the second finger tab is disposed in close proximity to the second grip when the shift control device is mounted to the bicycle. The first shift lever may extend generally parallel to the second shift lever and/or the first shift lever may be disposed in close proximity to the second shift lever for a majority of the length of the first shift lever. The shift operating device may be constructed so that the shift levers also function as brake levers.

REFERENCES:
patent: 1319627 (1919-10-01), Sentinella
patent: 3915028 (1975-10-01), Kine
patent: 5012692 (1991-05-01), Nagano
patent: 5203213 (1993-04-01), Nagano
patent: 5287766 (1994-02-01), Nagano
patent: 5299466 (1994-04-01), Heilbron
patent: 5392669 (1995-02-01), Li
patent: 5626058 (1997-05-01), Karpowich et al.
patent: 5678455 (1997-10-01), Watarai
European search report for EP 97300465.8, dated May 23, 1997.

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