Apparatus for coupling record disk to disk drive

Details Apparatus for coupling record disk to disk drive Apparatus for coupling record disk to disk drive

1988-08-24

1990-02-13

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9701, 360 9908, 360133, G11B 5016

Patent

active

049011731

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.

REFERENCES:
patent: 4613921 (1986-09-01), Holmes
patent: 4648001 (1987-03-01), Komatsu et al.
Beach et al., "Removable Disk Pack Assemblies", IBM Tech. Disc. Bull., vol. 21, No. 3, Aug. 1978.

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