Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1986-01-21
1987-04-21
Scanlan, Jr., Richard J.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74501R, 74506, 74527, F16C 110, F16H 2900, G05G 900
Patent
active
046586679
ABSTRACT:
The invention relates to a gear-change device for a multi-ratio gear-change in bicycles or the like. A gear-change lever of the gear-change device is mounted pivotably on a basis part of the gear-change device and is formed in its middle part as winding body for a gear-change draw cable. The middle part of the gear-change lever is provided with detents with which a ratchet pawl is associated which in turn is pivotably mounted to the basic part of the gear-change device. The ratchet pawl is subject to the return force of the stressed gear-change draw cable and may be provided with its own spring element which is effective in the outward pivoting. The gear-change device comprises only very few parts and can be produced at favorable price with no restriction of functional efficiency.
REFERENCES:
patent: 2534566 (1950-12-01), Yapp
patent: 3303716 (1967-02-01), Wolfe
patent: 3595351 (1971-07-01), Ishida
patent: 3943796 (1976-03-01), Hillyer
patent: 3972247 (1976-08-01), Armstrong
Fichtel & Sachs AG
Scanlan, Jr. Richard J.
Stodola Nancy J.
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