Disk drive unit incorporating a field-replaceable fixed disk ass

Details Disk drive unit incorporating a field-replaceable fixed disk ass Disk drive unit incorporating a field-replaceable fixed disk ass

1978-06-15

1980-05-27

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

Disk

360 98, G11B 1702

Patent

active

042053579

ABSTRACT:
A disk assembly which is normally fixed on a disk drive, but which can be removed in the field from the disk drive spindle and replaced on the spindle with extreme precision so that pre-recorded tracks are concentric with the axis of the spindle within extremely small tolerances. The disk assembly includes a mounting ring which fits around the drive spindle, the ring having three resilient centering flexures extending slightly radially inwardly of the rest of the ring to engage the drive spindle, and all being outwardly deflected substantially the same amount to center the ring on the spindle.

REFERENCES:
patent: 3938192 (1976-02-01), Caletti

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