发明名称 |
COMPATIBLE DISK DRIVE MOTOR |
摘要 |
<p>A bearing (4) is mounted on a base (1) to retain a portion of the shaft (6) ranging from near a lower end portion to near an upper end portion, and a rotor housing (10) is provided with a rotor base (11) disposed at a level lower than that of an optical pickup (13) with a magnet (9) being provided on an inner peripheral surface, and a rotor boss (12) formed separately from the rotor base (11). The rotor boss (12) has a smaller outer radius than the outer radius of the rotor base (11) and is fixed on the rotor base (11) so that a side face is opposite to a side face of the optical pickup (13). Thus, it is possible to prevent run-out of the shaft (6) and to downsize the device with a simple structure. Furthermore, it is possible to use components 1, 2, 5, 9, 11 and the like in common with thin motors used with other types of device and thus manufacturing costs are greatly reduced. <IMAGE></p> |
申请公布号 |
EP1107435(A1) |
申请公布日期 |
2001.06.13 |
申请号 |
EP19990919601 |
申请日期 |
1999.05.14 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
MUROTANI, KIICHIRO;MICHIMORI, ATSUSHI;INATANI, TAKESHI;TAKESHIMA, MASAAKI |
分类号 |
H02K5/167;H02K21/22;(IPC1-7):H02K29/00 |
主分类号 |
H02K5/167 |
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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