Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shingo Shiraishi0
Hideya Inoue0
Koshi Tabe0
Masahiro Yamanaka0
Toshio Tetsuka0
Yusuke Nishimoto0
Atsuhiro Emura0
Date of Patent
March 30, 2010
Patent Application Number
11126143
Date Filed
May 11, 2005
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A bicycle chainring is formed from a first member and an second member. The first member includes a center rotational axis, a crank attachment portion with a plurality of chainring attachment openings and an annular tooth portion with a plurality of chain engaging gear teeth. The second member disposed around the center rotational axis and is fixedly attached to overlie at least one of the crank attachment portion and the annular tooth portion to reinforce the first member without obstructing access to the chainring attachment openings.
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