发明名称 |
Stepping motor and method of manufacturing stepping motor |
摘要 |
A stepping motor includes: a rotary shaft; a rotor magnet mounted fixedly on the rotary shaft; a bearing member including a smaller-diameter portion and a larger-diameter portion, and supporting the rotary shaft; and a yoke including a plurality of magnetic pole teeth surrounding an outer circumferential surface of the rotor magnet, and a bottom plate having an opening into which the smaller-diameter portion of the bearing member is inserted. The smaller-diameter portion of the bearing member is fitted in the opening of the bottom plate and clamped radially outward.
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申请公布号 |
US7015604(B2) |
申请公布日期 |
2006.03.21 |
申请号 |
US20040831204 |
申请日期 |
2004.04.26 |
申请人 |
NIDEC COPAL CORPORATION |
发明人 |
IWASE MASATO;TAKAGI MASAAKI |
分类号 |
H02K1/12;H02K5/15;H02K37/14 |
主分类号 |
H02K1/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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