发明授权
- 专利标题： Bicycle crank arm and bicycle crank assembly
- 专利标题（中）： 自行车曲柄臂和自行车曲柄组件
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申请号： US13728294申请日： 2012-12-27
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公开(公告)号： US09475545B2公开(公告)日： 2016-10-25
- 发明人: Masahiro Yamanaka , Yusuke Nishimoto , Tetsu Nonoshita , Yuki Watanabe
- 申请人： Shimano Inc.
- 申请人地址： JP Osaka
- 专利权人： Shimano Inc.
- 当前专利权人： Shimano Inc.
- 当前专利权人地址： JP Osaka
- 代理机构： Global IP Counselors
- 主分类号： B62M3/00
- IPC分类号： B62M3/00
摘要：
A bicycle crank arm includes a first member and a second member. The first member has a crank axle interacting portion and a first recessed part around the crank axle interacting portion. The second member is attached to the first member. The first member has a first side facing the second member and a second side opposite to the first side. The first recessed part is recessed from the second side toward the first side such that the first recessed part includes an attachment area attached to the second member on the first side.
公开/授权文献
- US20140182413A1 BICYCLE CRANK ARM AND BICYCLE CRANK ASSEMBLY 公开/授权日：2014-07-03
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