ROTATING DEVICE
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United States of America Patent
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Issued Date -
Oct 30, 2014
app pub date -
Apr 28, 2014
filing date -
Apr 30, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A rotating device includes a rotator on which a magnetic recording disk is to be mounted, and a stationary body that supports the rotator in a freely rotatable manner through a fluid dynamic bearing. A lubricant is continuously applied to a lubricant applied portion in a gap between the rotator and the stationary body and from a second capillary seal to a first capillary seal through a dynamic pressure generating portion of the fluid dynamic bearing. This rotating device is structured so as to reduce an amount of the lubricant spilled and eventually dissipated when shock of substantially 1200 G is applied to be less than 5% of the total amount of the lubricant.
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