Bicycle crankset with eccentric chainring
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United States of America Patent
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Aug 21, 2018
Grant Date -
N/A
app pub date -
Jun 7, 2017
filing date -
Jun 7, 2017
priority date (Note) -
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Abstract
A bicycle crankset, which is adapted to connect to a chain, includes a chainring and a crankarm. The chainring has a plurality of teeth, a plurality of connecting bores of first noncircular motion path, and a plurality of connecting bores of circular motion path. The crankarm has a plurality of connecting arms to be selected to secured to the connecting bores of first noncircular motion path or the connecting bores of circular motion path. The chainring provides a first noncircular path of motion when the connecting arms of the crankarm are secured to the connecting bores of first noncircular motion path, and chainring provides a circular path of motion when the connecting arms of the crankarm are secured to the connecting bores of circular motion path.
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