Multi-speed sprockets for a bicycle and the like

Details Multi-speed sprockets for a bicycle and the like Multi-speed sprockets for a bicycle and the like

1978-08-17

1981-05-19

Dorner, Kenneth

Endless belt power transmission systems or components

Positive drive pulley or guide roll

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

474164, F16H 5530

Patent

active

042682592

ABSTRACT:
Multi-speed sprockets are assembled with at least one larger diameter sprocket and at least one smaller diameter sprocket, in which the center of a space between certain adjacent teeth of the larger diameter sprocket is positioned on a tangent line drawn from the center of a space between certain adjacent teeth at the smaller diameter sprocket, and the distance between both centers is made substantially equal to an integer multiple of the pitch of a driving chain.

REFERENCES:
patent: 619537 (1899-02-01), Bufford
patent: 3478614 (1969-11-01), Shimano
patent: 3772932 (1973-11-01), Nagano
patent: 3956943 (1976-05-01), Yamasaki
patent: 4018095 (1977-04-01), Shimano

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