Invention Grant
- Patent Title: Bicycle chainring
- Patent Title (中): 自行车链条
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Application No.: US11126143Application Date: 2005-05-11
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Publication No.: US07686721B2Publication Date: 2010-03-30
- Inventor: Koshi Tabe , Masahiro Yamanaka , Toshio Tetsuka , Shingo Shiraishi , Hideya Inoue , Yusuke Nishimoto , Atsuhiro Emura
- Applicant: Koshi Tabe , Masahiro Yamanaka , Toshio Tetsuka , Shingo Shiraishi , Hideya Inoue , Yusuke Nishimoto , Atsuhiro Emura
- Applicant Address: JP Osaka
- Assignee: Shimano Inc.
- Current Assignee: Shimano Inc.
- Current Assignee Address: JP Osaka
- Agency: Global IP Counselors, LLP
- Main IPC: F16H55/30
- IPC: F16H55/30
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.
Public/Granted literature
- US20060258498A1 Bicycle chainring Public/Granted day:2006-11-16
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