发明名称 |
BEARING MECHANISM, MOTOR, MOTOR MANUFACTURING METHOD, FAN, DISK DRIVE, AND ELECTRONIC EQUIPMENT |
摘要 |
PROBLEM TO BE SOLVED: To prevent the leakage of lubricant fluid from a bearing mechanism having high rotating accuracy. SOLUTION: In the bearing mechanism 3 for a motor part 2, a sleeve 32 into which a shaft 31 is inserted is fixed into a sleeve holding part 33 with its outer peripheral face thrust by the inner peripheral face of the sleeve holding part 33 formed of a resin. An circular member 35 is fixed into the sleeve holding part 33 in the state of abutting on the upper face of the sleeve 32. The shaft 31 has a tapered portion, and the diameter of a gap between the tapered portion and the circular member 35 gradually increases as going upward where a tapered seal is formed to retain oil. Thus, the deformation of the inner peripheral face of the sleeve 32 and the leakage of the oil from the bearing mechanism 3 are prevented to improve the reliability of the motor part 2 having high rotating accuracy. COPYRIGHT: (C)2004,JPO&NCIPI
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申请公布号 |
JP2004263710(A) |
申请公布日期 |
2004.09.24 |
申请号 |
JP20030008522 |
申请日期 |
2003.01.16 |
申请人 |
NIPPON DENSAN CORP |
发明人 |
TAKESHITA KAZUMI |
分类号 |
F16C33/10;F16C17/02;F16C33/74;G11B19/20;H02K21/22;(IPC1-7):F16C33/10 |
主分类号 |
F16C33/10 |
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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