发明名称 |
SPINDLE MOTOR AND DISK DRIVER HAVING THE SAME |
摘要 |
PURPOSE: A spindle motor and a disk driver including the same are provided to strongly combine a rotating member and arrange a filling groove, thereby securing assembly and rotation stability of the spindle motor. CONSTITUTION: A bush(30) rotates together with a shaft(10). A rotor case(41) comprises a cylindrical wall part(41a) combined with the outer circumferential surface of the bush. A chucking part(60) detachably combines a disk. A filling groove(35) is arranged on a boundary part of the shaft and the bush. A third ring shape groove part is arranged on the inner circumferential surface of the bush in an axial direction. |
申请公布号 |
KR20120017349(A) |
申请公布日期 |
2012.02.28 |
申请号 |
KR20100079987 |
申请日期 |
2010.08.18 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
SMIRNOV VIATCHESLAV;KIM, NAM SEOK |
分类号 |
H02K5/16;H02K5/24 |
主分类号 |
H02K5/16 |
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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