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
1980-07-31
1982-12-07
Herrmann, Allan D.
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 722
Patent
active
043625231
ABSTRACT:
The derailleur comprises a finger member which bears on a cam surface. The finger member is carried by an arm of a parallelogram structure. The cam surface is provided on the support of the derailleur. Preferably, the cam achieves a tri-dimensional guiding of the finger member which carries a rotary roller.
REFERENCES:
patent: 4030375 (1977-06-01), Nagano
patent: 4061048 (1977-12-01), Huret et al.
patent: 4274828 (1981-06-01), Huret
Herrmann Allan D.
Huret & Ses Fils
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