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    • 1. 发明申请
    • SPINDLE MOTOR
    • 主轴电机
    • US20130129268A1
    • 2013-05-23
    • US13396099
    • 2012-02-14
    • Shin Young CHEONGJu Ho KimChang Jo Yu
    • Shin Young CHEONGJu Ho KimChang Jo Yu
    • F16C32/06
    • F16C43/02F16C17/107F16C2370/12G11B19/2036
    • There is provided a spindle motor including: a shaft having a lower end portion fixed into a base member; a thrust plate fixed to the shaft; an upper sleeve disposed above the thrust plate and forming a first bearing clearance with the shaft; a lower sleeve disposed below the thrust plate and forming a second bearing clearance with the shaft; and a rotor hub rotating together with the upper and lower sleeves, wherein the upper sleeve includes an extension part extended toward the lower sleeve, and the lower sleeve includes a clearance adjusting part disposed to face the extension part when being coupled to the upper sleeve and extended toward the upper sleeve.
    • 提供了一种主轴电机,其包括:轴,其具有固定到基部构件中的下端部; 固定在轴上的推力板; 上套筒,设置在推力板上方并与轴形成第一轴承间隙; 下套筒,设置在推力板下方并与轴形成第二轴承间隙; 以及与所述上套筒和所述下套筒一起旋转的转子毂,其中所述上套筒包括朝向所述下套筒延伸的延伸部分,并且所述下套筒包括间隙调节部分,所述间隙调节部分设置成当与所述上套筒联接时面向所述延伸部分, 延伸到上套筒。