发明名称 Motor, method of manufacturing motor and rotary apparatus equipped with motor
摘要 The problem is to provide a motor that a stator coil can be firmly supported with high rigidity and is less in vibration and noise, a method for manufacturing same and a rotary apparatus.A motor is provided as solving means, which comprises: a base 10 having a cylindrical fit portion 10a; a sleeve 20 having one end firmly fixed in the fit portion 10a; a hub shaft 30 including a hub portion 32 supporting a hard disk, a shaft portion 31 extended from a hub portion 32 center and inserted in the sleeve 20, and an annular portion 33 annularly extended from a peripheral edge of the hub portion 32 in a same direction as the shaft portion 31; a bearing ring 52 coaxially fixed on a tip of the shaft portion 31; an engaging ring 51 fixed at the other end of the sleeve 20 and abutted against the bearing ring 52 thereby regulating axial movement of the shaft portion 31; a rotor magnet 60 fixed on an inner peripheral wall of the annular portion 33; and a stator coil 40 fixed on an outer peripheral wall of the sleeve 20.
申请公布号 US6384495(B1) 申请公布日期 2002.05.07
申请号 US20000531661 申请日期 2000.03.20
申请人 SEIKO INSTRUMENTS INC. 发明人 SUZUKI TAKAFUMI;GOTO HIROMITSU
分类号 G11B19/20;G11B25/04;G11B33/12;H02K1/18;H02K7/08;H02K21/22;(IPC1-7):H02K29/00;G11B5/00 主分类号 G11B19/20
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