Disk chucking device and disk drive including the same
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United States of America Patent
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N/A
Issued Date -
Oct 28, 2004
app pub date -
Oct 28, 2003
filing date -
Oct 31, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A disk chucking device for an optical disk drive includes a turn table that is rotated by a spindle motor and a chucking pulley that has a pressure contacting surface on one side thereof and at least one wall peripherally and circularly on the other side thereof, in which the pressure contacting surface forces an optical disk to come into pressure contact with and attaches the optical disk to a reference surface for disk attachment of the turn table and the wall is capable of preventing acceleration of airflow caused by centrifugal force due to rotation of the optical disk and thus reducing flow noise.
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