Bicycle gear display

Details Bicycle gear display Bicycle gear display

1991-09-03

1993-01-12

Lorence, Richard

Machine element or mechanism

Control lever and linkage systems

Hand operated

745022, 74489, 74422, 74DIG7, 116 281, 116317, 2802884, F16C 110

Patent

active

051780330

ABSTRACT:
A display device for use on a multi-speed (multi-gear) bicycle, which indicates the currently selected bicycle gear. The device interfaces directly with a gear changing cable. In one embodiment, a toothed rack is attached to a section of cable running along the bicycle frame. A pinion, attached to a cylindrical indicator meshes with the rack. In an embodiment for remote mounting, a slave cable is attached to the gear changing cable to transmit the motion of the gear changing cable to the remote location.

REFERENCES:
patent: 1645464 (1927-10-01), Tredway
patent: 2905017 (1959-09-01), Randolph
patent: 3406587 (1968-10-01), Brilando et al.
patent: 3524979 (1970-08-01), Cohen
patent: 3554156 (1971-01-01), Kishida
patent: 3554158 (1971-01-01), Shimano
patent: 3856123 (1974-12-01), Kinsey
patent: 4586396 (1986-05-01), Nagano
patent: 4924723 (1990-05-01), Cristie
patent: 5052241 (1991-10-01), Nagano

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