Magnetic disk cartridge

Details Magnetic disk cartridge Magnetic disk cartridge

1983-07-28

1984-09-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

206444, G11B 2504, G11B 2302

Patent

active

044713975

ABSTRACT:
A disk cartridge includes a protective envelope located within the cartridge housing for enclosing a magnetic disk. the envelope prevents dust and other contaminants from reaching the disk surfaces and provides a rigid interior enclosure for the flexible disk, which supplements the housing in protecting the flexible disk from being folded or otherwise damaged. Loading the cartridge in a disk recording and/or playback apparatus actuates means in the cartridge for rotating the envelope within the housing to position a head-access opening and a backer-access opening in the envelope substantially in registration with corresponding openings in the housing. Removal of the cartridge from the apparatus causes the envelope to be rotated to position the envelope across the respective openings in the housing.

REFERENCES:
patent: 4120012 (1978-10-01), Bowers
patent: 4131199 (1978-12-01), Hatcheti et al.
patent: 4188650 (1980-02-01), Rein
patent: 4414591 (1983-11-01), Wenner

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