Disk cartridge

Details Disk cartridge Disk cartridge

1991-01-28

1992-11-24

Shepperd, John W.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, 206312, 206444, 369289, G11B 300, G11B 2303, B65D 8530

Patent

active

051669226

ABSTRACT:
A disk cartridge has a case comprising an upper and a lower shell halves for accommodating a disk. The case has a spindle insertion hole, a head insertion hole and a shutter for opening and closing the two holes. The case has at least one of a disconnection preventing mechanism for preventing an elastic spring for urging the shutter from being disconnected from a slider and a part of the case, a drive pin smooth motion mechanism for moving a drive pin on the slider, a shutter locking mechanism for locking the shutter at a closing position, a disk center holding mechanism for supporting the disk at its center position, a disk periphery holding mechanism for holding the periphery of the disk, a writing protection mechanism for prevention new information from being recorded on the disk and a mechanism for forming the case with a good outer appearance.

REFERENCES:
patent: 4648001 (1987-03-01), Komatsu et al.
patent: 4799121 (1989-01-01), Takahashi
patent: 4849844 (1989-07-01), Kato
patent: 4853817 (1989-08-01), Mizuta et al.
patent: 4853925 (1989-08-01), Kaneuchi
patent: 4908817 (1990-03-01), Sandell et al.
patent: 5034844 (1991-07-01), Shiba et al.
patent: 5065391 (1991-11-01), Funaki

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