Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1987-11-23
1989-12-12
Smith, Gary L.
Machine element or mechanism
Control lever and linkage systems
Hand operated
74489, 74523, 74527, G05G 900
Patent
active
048859516
ABSTRACT:
The device permits the control of a derailleur by means of a lever (9) with the use of indexation means which ensure a precise positioning of the lever in the various positions corresponding to the various gear ratios. It also permits the adjustment of the indexation pitch, so as to adapt it to freewheels having a different spacings or pitches between different sprocket pinions. For this purpose, positioning elements (19) may be shifted by a pitch selection element (21) so that the pitch between the various positions of the lever is modified.
REFERENCES:
patent: 2620672 (1952-12-01), McMahon
patent: 4548092 (1985-10-01), Strong
patent: 4736651 (1988-04-01), Nagano
patent: 4744265 (1988-05-01), Nagano
patent: 4751850 (1988-06-01), Nagano
patent: 4768395 (1988-09-01), Tagawa
Desenclos Christian
Regis Sinoquet
Bushnell Richard
Sachs-Huret S.A.
Saether F.
Smith Gary L.
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