发明申请
US20050172744A1 Reduction gear and method and apparatus for manufacturing the reduction gear concerned, and electric power steering system with the reduction gear concerned
审中-公开
用于制造所述减速装置的减速机及其制造方法以及与所述减速装置的电动助力转向系统
- 专利标题： Reduction gear and method and apparatus for manufacturing the reduction gear concerned, and electric power steering system with the reduction gear concerned
- 专利标题（中）： 用于制造所述减速装置的减速机及其制造方法以及与所述减速装置的电动助力转向系统
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申请号： US11055606申请日： 2005-02-11
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公开(公告)号： US20050172744A1公开(公告)日： 2005-08-11
- 发明人: Takashi Koyama , Yuji Kawamura , Toshihito Endo
- 申请人： Takashi Koyama , Yuji Kawamura , Toshihito Endo
- 专利权人： NSK Ltd.,NSK Steering Systems Co., Ltd.
- 当前专利权人： NSK Ltd.,NSK Steering Systems Co., Ltd.
- 优先权： JP2003-294438 20030818
- 主分类号： B62D5/04
- IPC分类号： B62D5/04 ; C21D1/10 ; C21D9/32 ; F16H55/06 ; F16H55/22
摘要：
A reduction gear including: a worm wheel, the tooth skin portion of which is at least made of macromolecular composite material, and a worm for meshing with the worm wheel concerned, wherein a tooth surface of the worm has been heat-treated by high-frequency induction hardening.
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