Sprocket of a chain transmission for a bicycle

Details Sprocket of a chain transmission for a bicycle Sprocket of a chain transmission for a bicycle

2007-08-17

2009-02-17

Charles, Marcus (Department: 3656)

Endless belt power transmission systems or components

Positive drive pulley or guide roll

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

C474S152000, C474S158000

Reexamination Certificate

active

07491143

ABSTRACT:
A sprocket of a chain transmission for a bicycle is described, intended to be coupled with a further sprocket with a smaller diameter in a group of sprockets integral in rotation. The sprocket comprises a plurality of teeth which follow each other on the sprocket separated by spaces according to a direction of rotation of the sprocket, in which each tooth has a thickness, a width and a height and has a lead side, a following side, a front side and a rear side. The sprocket has a front bevel on at least one tooth of first disengagement of the plurality of teeth and a rear bevel on at least one tooth of last engagement of said plurality of teeth.

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