发明授权
- 专利标题： Worm gear mechanism and electric power steering apparatus equipped with the worm gear mechanism
- 专利标题（中）： 蜗轮机构和电动助力转向装置配有蜗轮机构
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申请号： US11114559申请日： 2005-04-26
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公开(公告)号： US07814808B2公开(公告)日： 2010-10-19
- 发明人: Yasuo Shimizu , Katsuji Watanabe , Takahiro Aoki , Yasuhiro Terada , Ryoji Toyofuku
- 申请人： Yasuo Shimizu , Katsuji Watanabe , Takahiro Aoki , Yasuhiro Terada , Ryoji Toyofuku
- 申请人地址： JP Tokyo
- 专利权人： Honda Motor Co., Ltd.
- 当前专利权人： Honda Motor Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Hamre, Schumann, Mueller & Larson, P.C.
- 优先权： JP2004-130251 20040426; JP2005-005452 20050112
- 主分类号： F16H55/18
- IPC分类号： F16H55/18
摘要：
Worm gear mechanism includes a driving worm, a torque delivering worm wheel meshing with the worm, and an auxiliary worm wheel superimposed on the torque delivering worm wheel. The auxiliary worm wheel has a pitch diameter greater than that of the torque delivering worm wheel. The auxiliary worm wheel is biased against the driving worm wheel via a biasing member in the form of a leaf spring.
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