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
1994-10-07
1995-10-10
Buiz, Michael Powell
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Including belt shiftable axially from one to another surface...
F16H 900
Patent
active
054566371
ABSTRACT:
A chain shifting device for bicycle includes a body having a connector and a coupler pivotally coupled to the upper and lower portion. The clutch cable is threaded through the connector and is secured to the coupler. A frame is secured to the coupler for supporting chain tension pulley and chain guide pulley. The frame is moved by the clutch cable in order to shift the chain to engage with either of the rear sprocket wheels so as to change the bicycle speed. Two positioning screws are secured to the block for engaging with the connector and the coupler and for limiting movement of the frame.
REFERENCES:
patent: 4601682 (1986-07-01), Nagano
patent: 4627827 (1986-12-01), Juy
patent: 4824420 (1989-04-01), Romano
Buiz Michael Powell
Klein David I.
Rosenberg Morton J.
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