Method for manufacturing bicycle cogset
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United States of America Patent
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Mar 28, 2017
Issued Date -
N/A
app pub date -
Oct 30, 2014
filing date -
Oct 30, 2014
priority date (Note) -
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Abstract
A bicycle cogset manufacturing method includes: connecting a first and a second sprocket in different sizes with connecting members as a sprockets assembly in advance, where first and second inner portions of the first and second sprockets respectively have first insertion and second insertion members, and each of the insertion members are respectively provided with a first and a second positioning hole; transferring the sprockets assembly into a mold, and performing pouring to form a sprocket base, where an assembly hole is disposed in the center of the sprocket base, a plurality of connecting arms are arranged on an outer portion of the sprocket base, and the connecting arms clad the first insertion members and the second insertion members to form a cogset. In this way, modularization can be implemented to achieve objectives of preventing troublesome riveting, accelerating manufacture, and reducing product weight.
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