发明授权
- 专利标题: Outer joint member for fixed constant velocity universal joint
- 专利标题(中): 固定等速万向节外接头
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申请号: US13143761申请日: 2009-12-18
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公开(公告)号: US08529360B2公开(公告)日: 2013-09-10
- 发明人: Masazumi Kobayashi , Kisao Yamazaki , Minoru Ishijima
- 申请人: Masazumi Kobayashi , Kisao Yamazaki , Minoru Ishijima
- 申请人地址: JP Osaka
- 专利权人: NTN Corporation
- 当前专利权人: NTN Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: Wenderoth, Lind & Ponack, L.L.P.
- 优先权: JP2009-005842 20090114
- 国际申请: PCT/JP2009/071088 WO 20091218
- 国际公布: WO2010/082427 WO 20100722
- 主分类号: F16D3/224
- IPC分类号: F16D3/224 ; C21D7/02
摘要:
An outer joint member for a fixed type constant velocity universal joint contributes to the reduction of the number of man-hours through the reduction of the number of processes after a forging process, to an increase in yield, and to the reduction of manufacturing cost. The outer joint member is made of machine-structural carbon steel. The portions of the outer joint member that are finished by cold forging are track grooves, radially inner spherical-surface portions, a cup-inlet chamfer, track chamfers, track-inlet chamfers, a part except for a boot fixing portion on a radially outer surface of the cup section, and a center hole at an end surface of the shaft section.
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