Casing assembly for a disc cartridge

Details Casing assembly for a disc cartridge Casing assembly for a disc cartridge

1987-02-04

1989-01-31

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

048020460

ABSTRACT:
A disc cartridge capable of providing a casing with torsional rigidity sufficient to ensure safety of a disc and smooth operation of a shutter. In the disc cartridge, an upper cover plate and a lower cover plate constituting a casing are formed at each of peripheral end walls thereof with projections and recesses engaged with one another, so that the cover plates may be joined together through the projections and recesses to form the casing which exhibits torsional rigidity sufficient to prevent deformation of the casing.

REFERENCES:
patent: 3416150 (1968-12-01), Lindberg
patent: 3529301 (1970-09-01), Hiruta
patent: 4613044 (1986-09-01), Saito et al.
patent: 4692831 (1987-09-01), Suzuki

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