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    • 3. 发明授权
    • Motor and recording disc driving device
    • 电机和记录盘驱动装置
    • US08238055B2
    • 2012-08-07
    • US12926803
    • 2010-12-09
    • Bum Cho KimSang Jin ParkJee Ae Noh
    • Bum Cho KimSang Jin ParkJee Ae Noh
    • G11B5/54
    • G11B19/2009F16C17/107F16C2370/12H02K1/2753H02K1/30
    • There are provided a motor and a recording disc driving device, which may improve a coupling structure of the motor to enable a magnet provided in a rotor to thereby double as a conventional stopper. The motor may include: a sleeve into which a shaft is rotatably inserted; a sleeve holder including a body part into which the sleeve is inserted, and a flange part protruded from an upper end portion of the body part in an outer diameter direction; a rotor case fastened to an upper end portion of the shaft, and formed such that a cylindrically shaped-rotor main wall is protruded downwardly in an axial direction to receive the flange part; a magnet fastened to a distal end of the rotor main wall so that a part of the magnet is protruded downwardly of the flange part; and a stator fastened to face the magnet, and generating an electromagnetic force.
    • 提供了电动机和记录盘驱动装置,其可以改善电动机的联接结构,使得设置在转子中的磁体能够像传统的止动器那样倍增。 马达可以包括:轴可旋转地插入其中的套筒; 套筒保持器,其包括:套筒插入其中的主体部分;以及凸缘部,其沿着外径方向从主体部的上端部突出; 固定在所述轴的上端部的转子壳体,并且形成为使得圆筒状的转子主壁沿轴向向下方突出以容纳所述凸缘部; 固定在转子主壁的远端的磁体,使得磁体的一部分从凸缘部向下突出; 并且固定在面对磁体的定子上,产生电磁力。