Multiple sprocket assembly for bicycle

Details Multiple sprocket assembly for bicycle Multiple sprocket assembly for bicycle

1992-02-28

1993-02-23

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

And additional coaxial surface for engaging same belt in...

F16H 5530

Patent

active

051885697

ABSTRACT:
A bicycle multiple sprocket assembly comprises smaller and larger sprockets for shiftable engagement with a chain. The larger sprocket includes first and second easily disengageable chain supporting teeth arranged adjacent to each other, an easily disengageable chain non-supporting tooth immediately following the chain supporting teeth. Each chain supporting tooth has an apex offset away from the smaller sprocket, and a chain supporting portion on its side closer to the smaller sprocket. The entirety of the chain non-supporting tooth is offset away from the smaller sprocket.

REFERENCES:
patent: 3772932 (1973-11-01), Nagano
patent: 4259880 (1981-04-01), Ueno
patent: 4268259 (1981-05-01), Segawa et al.
patent: 4889521 (1989-12-01), Nagano
patent: 5085621 (1992-02-01), Nagano

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