发明申请
US20100278472A1 ROLLER BEARING RETAINER, NEEDLE ROLLER BEARING, AND PRODUCTION METHOD OF ROLLER BEARING RETAINER
审中-公开
滚子轴承保持器，滚针轴承和滚子轴承保持器的生产方法
- 专利标题： ROLLER BEARING RETAINER, NEEDLE ROLLER BEARING, AND PRODUCTION METHOD OF ROLLER BEARING RETAINER
- 专利标题（中）： 滚子轴承保持器，滚针轴承和滚子轴承保持器的生产方法
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申请号： US12810627申请日： 2008-12-02
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公开(公告)号： US20100278472A1公开(公告)日： 2010-11-04
- 发明人: Shinji Oishi , Katsufumi Abe , Yugo Yoshimura
- 申请人： Shinji Oishi , Katsufumi Abe , Yugo Yoshimura
- 优先权： JP2007-336939 20071227
- 国际申请： PCT/JP2008/071863 WO 20081202
- 主分类号： F16C33/46
- IPC分类号： F16C33/46 ; B21D53/12
摘要：
A roller bearing retainer 33 includes a plurality of column parts 15 each containing a column center part 16, a pair of column end parts 17, and a pair of column sloped parts 18 positioned between the column center part 16 and each of the pair of column end parts 17, and a pair of annular ring parts 14 connected to longitudinal one side and the other side ends of the plurality of column parts 15, and having a flange part 19 extending from a position connected to the column part 15 toward the radial inner side. Thus, the column center part 16, the pair of column end parts 17, and the pair of column sloped parts 18 are formed by expanding both axial ends of a cylindrical member, and the flange part 19 is formed by compressing the cylindrical member in an axial direction, and at the same time a thickness of a boundary part between adjacent two parts of the column center part 16, the pair of column end parts 17, the pair of column sloped parts 18, the flange part 19, and the pair of ring parts 14 is made larger than a thickness of each part of the column center part 16, the pair of column end parts 17, the pair of column sloped parts 18, the flange part 19, and the pair of ring parts 14.
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