Endless belt power transmission systems or components – Control for variable input to output speed-ratio – Including belt shiftable axially from one to another surface...
Patent
1980-10-22
1984-07-17
Staab, Lawrence J.
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Including belt shiftable axially from one to another surface...
474 80, F16H 900, F16H 1100
Patent
active
044603479
ABSTRACT:
A linkage system is provided on a bicycle for displacing a bicycle chain between chain wheels mounted on a common axis. The linkage system includes a first linkage head fixed to a support attached to the bicycle frame and a movably positionable second linkage head connected to a device for moving the chain. An articulated lever and a guide member are connected together by a pivot joint intermediate their ends with the ends of the lever and guide member being pivotally connected to the two linkage heads. The joints connecting the lever to the linkage heads permit the lever to effect a sliding movement not available to the guide member. A mechanism for deforming the linkage system is connected to the pivot which mounts the guide member on the first linkage head.
REFERENCES:
patent: 3927904 (1975-12-01), Bergles
patent: 4002080 (1977-01-01), Huret et al.
patent: 4027542 (1977-06-01), Nagano
patent: 4030374 (1977-06-01), Isobe
patent: 4030375 (1977-06-01), Nagano
patent: 4231264 (1980-11-01), Bergles
patent: 4305711 (1981-12-01), Lannoch
Bednarek Michael D.
Fichtel & Sachs AG
Staab Lawrence J.
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