Disk cartridge

Details Disk cartridge Disk cartridge

1985-07-09

1987-04-07

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2302

Patent

active

046565507

ABSTRACT:
A disk cartridge comprises a hard casing which receives a magnetic disk with a hub in a rotatable manner and the lower surface of a circular recess of the hub is slightly raised from its outer peripheral portion toward the central opening of the hub in which the driving pin of a driving unit is fitted.

REFERENCES:
patent: 4320425 (1982-03-01), Hall
patent: 4378576 (1983-03-01), Roling
patent: 4544977 (1985-10-01), Ozawa et al.
patent: 4573093 (1986-02-01), Obama et al.

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