发明名称 |
SPINDLE MOTOR AND STORAGE DISK DRIVE |
摘要 |
In a motor, an annular radially extending gap is defined between an outer annular surface and a lower surface of an annular cover portion. The radially extending gap has an axial width smaller than a maximum width of an upper seal portion defined between an outer circumferential surface of an upper thrust portion and an inner circumferential surface of a tubular portion. An annular axially extending gap is defined between an inner cylindrical surface and a radially inner edge of the annular cover portion. The axially extending gap has a radial width smaller than the maximum width of the upper seal portion.
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申请公布号 |
US2012033329(A1) |
申请公布日期 |
2012.02.09 |
申请号 |
US201113198794 |
申请日期 |
2011.08.05 |
申请人 |
MIZUKAMI JUNYA;OE TAKAYUKI;SEKII YOICHI;SABASHI NAOKI;TAMAOKA TAKEHITO;YAMAMOTO TAKASHI;HORIKI SHIGEKI;MIURA KAZUSHI;TAKEMOTO MITSUHIRO;NIDEC CORPORATION |
发明人 |
MIZUKAMI JUNYA;OE TAKAYUKI;SEKII YOICHI;SABASHI NAOKI;TAMAOKA TAKEHITO;YAMAMOTO TAKASHI;HORIKI SHIGEKI;MIURA KAZUSHI;TAKEMOTO MITSUHIRO |
分类号 |
G11B17/028;H02K7/08 |
主分类号 |
G11B17/028 |
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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