Disk storage device with brushless DC drive motor and slide bearing assembly
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United States of America Patent
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Jul 21, 2009
Grant Date -
Jan 24, 2008
app pub date -
Jul 19, 2006
filing date -
Jul 19, 2006
priority date (Note) -
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Abstract
A compact disk storage device having an outer-rotor dc-brushless electric motor for directly driving a disk for recording and reproducing information, having an axially deep, tank-form flange and a stationary shaft, upon which the mounting annulus of the flange and a bearing assembly of the hub are axially displaced. The bearing assembly has the stationary shaft fixedly mounted centrally in the deepened flange via a support bush. The hub includes a cap for sealing an extremity of the bearing assembly and an inverted cup shape rotor providing magnetic shielding.
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