Disk cover collar

Details Disk cover collar Disk cover collar

1986-04-14

1988-05-31

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

047485302

ABSTRACT:
In a disk cartridge having a housing containing a rotatable data storage disk and hub assembly, the hub having a centered circular plate portion accessible through a housing aperture, a disk cover collar having a flexible removable bottom cover supported by the housing to cover the housing aperture and having an annular ring portion which provides a confinement ring for centering the hub and data storage disk as the disk cover collar flexes during normal handling of disk cartridge.

REFERENCES:
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patent: 4208117 (1980-06-01), Harvey
patent: 4222487 (1980-09-01), Abel
patent: 4320425 (1982-03-01), Hall
patent: 4445155 (1984-04-01), Takahaski
patent: 4490764 (1984-12-01), Butz

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