US Patent 7461391 Spindle motor with stability and vibration reduction mechanism
Patent 7461391 was granted and assigned to LG on December, 2008 by the United States Patent and Trademark Office.
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Disclosed is a spindle motor comprising: an integral turntable including: a table on which a rotating body to be installed, and an inner side wall and an outer side wall formed to be recessed upwards at a portion therebetween on a lower surface of the table so that a predetermined hollow is formed, a surface of thereof being formed slant; a ball cover for covering a ball inserted into the hollow and the hollow; a rotation shaft an upper portion of which is inserted into a center of the integral turntable; a bearing supporting a lower portion of the rotation shaft; a coil formed on an outside of the rotation shaft; and a magnet formed on an outside of the coil.
US Patent 07461391 Spindle motor with stability and vibration reduction mechanism US Patent 7461391 Spindle motor with stability and vibration reduction mechanism
US Patent 07461391 Spindle motor with stability and vibration reduction mechanism
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