BASE UNIT, MOTOR AND DISK DRIVE APPARATUS
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United States of America Patent
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-
N/A
Issued Date -
Apr 3, 2014
app pub date -
Mar 5, 2013
filing date -
Sep 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A base unit includes a base member including a first through-hole, a peripheral edge portion, and a thin portion, and a bushing including a bearing holding portion and first and second protrusion portions. The first and second protrusion portions respectively extend radially outward from an upper end portion and a lower end of the bearing holding portion. The first through-hole axially extends through the base member. The first through-hole is defined by an inner surface of the base member radially opposed to the bearing holding portion. The peripheral edge portion extends radially outward from the first through-hole. The thin portion is arranged radially outward of the peripheral edge portion. The thin portion has an axial thickness smaller than that of the peripheral edge portion. The bushing is arranged within the first through-hole. The peripheral edge portion is arranged between the first protrusion portion and the second protrusion portion.
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