- 专利标题： POWER TRANSMISSION SHAFT AND METHOD FOR MANUFACTURING THE SAME
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申请号： US17291048申请日： 2019-10-30
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公开(公告)号： US20210372482A1公开(公告)日： 2021-12-02
- 发明人: Daiki TSUTSUMI , Yasushi AKITA , Kenichiro ISHIKURA
- 申请人： Hitachi Astemo, Ltd.
- 申请人地址： JP Hitachinaka-shi, Ibaraki
- 专利权人： Hitachi Astemo, Ltd.
- 当前专利权人： Hitachi Astemo, Ltd.
- 当前专利权人地址： JP Hitachinaka-shi, Ibaraki
- 优先权： JP2018-207843 20181105
- 国际申请： PCT/JP2019/042522 WO 20191030
- 主分类号： F16D1/10
- IPC分类号： F16D1/10 ; F16D3/06 ; F16C3/03
摘要：
In a propeller shaft, a crowning portion of a male spline portion is provided in a predetermined range including a front end portion in an axial direction, and a tooth tip surface is shaped in such a manner that a tooth thickness thereof gradually increases from the front end portion toward an intermediate portion of the male spline portion in the axial direction.
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