Sprocket of a chain transmission for a bicycle
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United States of America Patent
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-
Feb 17, 2009
Grant Date -
Jan 24, 2008
app pub date -
Aug 17, 2007
filing date -
Apr 30, 2002
priority date (Note) -
Expired
status (Latency Note)
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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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