Spindle assembly for a disk drive using less than a full complim

Details Spindle assembly for a disk drive using less than a full complim Spindle assembly for a disk drive using less than a full complim

1996-11-12

1998-03-24

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 1704

Patent

active

057319278

ABSTRACT:
A spindle assembly for a disk drive uses fewer than the maximum number of disks, reducing power consumption of a spindle motor without reducing the dust collecting ability of an air filter. The spindle assembly includes a shaft adapted to be fixed to a housing of the disk drive, and a spindle hub rotatably mounted on the shaft. A first set of disks spaced from each other a given distance is mounted on a lower portion of the spindle hub, and a second set of disks spaced from each other the above given distance is mounted on an upper portion of the spindle hub. A dummy ring is mounted on an intermediate portion of the spindle hub to define a large space between the first set and the second set. The intermediate portion does not have disks. A clamp is secured to the spindle hub by screws, thereby fixing the first and second sets of disks to the spindle hub.

REFERENCES:
patent: 3187317 (1965-06-01), Smith
patent: 4224648 (1980-09-01), Roling

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