发明申请
- 专利标题: Bicycle chainring
- 专利标题(中): 自行车链条
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申请号: US11126143申请日: 2005-05-11
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公开(公告)号: US20060258498A1公开(公告)日: 2006-11-16
- 发明人: Koshi Tabe , Masahiro Yamanaka , Toshio Tetsuka , Shingo Shiraishi , Hideya Inoue , Yusuke Nishimoto , Atsuhiro Emura
- 申请人: Koshi Tabe , Masahiro Yamanaka , Toshio Tetsuka , Shingo Shiraishi , Hideya Inoue , Yusuke Nishimoto , Atsuhiro Emura
- 申请人地址: JP Sakai
- 专利权人: Shimano Inc.
- 当前专利权人: Shimano Inc.
- 当前专利权人地址: JP Sakai
- 主分类号: F16H55/30
- IPC分类号: F16H55/30
摘要:
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.
公开/授权文献
- US07686721B2 Bicycle chainring 公开/授权日:2010-03-30
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