| 发明名称 |
Spindle motor for a disc drive |
| 摘要 |
In a spindle motor for a disc drive in which a rotatable body having a disc mounted thereon is rotatively driven by a motor, the rotatable body is rotatably supported on a support member through a ball bearing and a hydrodynamic fluid bearing, and a preload equal to or greater than an axial load of 1N is imparted to the ball bearing.
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| 申请公布号 |
US6081057(A) |
申请公布日期 |
2000.06.27 |
| 申请号 |
US19990349905 |
申请日期 |
1999.07.08 |
| 申请人 |
NSK LTD. |
发明人 |
TANAKA, KATSUHIKO;SAKATANI, IKUNORI;MURAKI, HIROMITSU;MOGUCHI, SHOJI |
| 分类号 |
F16C21/00;F16C13/02;G11B19/20;H02K5/167;H02K5/173;H02K29/00;(IPC1-7):H02K5/16 |
主分类号 |
F16C21/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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