SPINDLE MOTOR
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United States of America Patent
Stats
-
N/A
Issued Date -
Jun 13, 2013
app pub date -
Feb 16, 2012
filing date -
Dec 9, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
There is provided a spindle motor including: a base part having a lower end portion of a shaft fixed thereto; a rotating member rotatably installed with respect to the shaft and forming a bearing clearance with the shaft, the bearing clearance being filled with a lubricating fluid; a coupling member fixedly installed on the rotating member and including an inclined surface allowing an interface between the lubricating fluid filling the bearing clearance and air to be formed; and an upper thrust member fixed to the shaft so as to form the interface between the lubricating fluid and air, with the coupling member.
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