Spindle motor
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United States of America Patent
Stats
-
Apr 14, 2015
Grant Date -
Jun 6, 2013
app pub date -
Sep 6, 2012
filing date -
Dec 5, 2011
priority date (Note) -
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status (Latency Note)
Importance
Abstract
There is provided a spindle motor including: a base part including a base member and a lower thrust member fixedly installed on the base member; a shaft having a lower end portion fixedly installed on the base part; an upper thrust member fixedly installed on an upper end portion of the shaft; a sleeve disposed between the upper and lower thrust members and rotatably installed on the shaft; and a rotor hub fixedly installed on the sleeve to thereby rotate together therewith, wherein the sleeve includes a connection hole formed therein in order to connect an inner diameter portion thereof to an outer peripheral surface thereof.
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