Apparatus for coupling record disk to disk drive
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United States of America Patent
Stats
-
Feb 13, 1990
Issued Date -
N/A
app pub date -
Aug 24, 1988
filing date -
Apr 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for coupling and aligning a rotatable disk with the motor used for rotating that disk is disclosed. The end of the motor drive shaft includes a drive spindle having a V shaped slot in its surface. This slot accepts an aligning pin which protrudes from the center of the disk. When the aligning pin is at the apex of the V slot, the disk to be rotated is concentric with the drive spindle. A drive pin, which is mounted eccentrically on the drive spindle, is in contact with a lip on the outer surface of the disk hub. Rotation of the drive spindle causes interference between the drive pin and the lip thereby imparting rotatational momentum to the disk as well as a centering force on the aligning pin.
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