Magnetic disk cartridge in which formation of a gap between uppe

Details Magnetic disk cartridge in which formation of a gap between uppe Magnetic disk cartridge in which formation of a gap between uppe

1993-10-05

1999-07-06

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

059204508

ABSTRACT:
A magnetic disk cartridge in which the formation of a gap in the end faces of a rear portion of a magnetic disk cartridge is prevented without increasing the size of the welded portion of the cartridge. Each of upper and lower shells, which are used to construct the case of the magnetic disk cartridge, includes a plurality of thick portions extending substantially along the rear edge of the case and disposed substantially symmetrically with respect to each other with a center line therebetween, the central line intersecting perpendicularly the rear edge of the case. Before the upper and lower shells are assembled together, the rear edges of the case are thereby curved so as to cause the inner surface sides of the respective shells to bow inwardly.

REFERENCES:
patent: 4814927 (1989-03-01), Iwamoto et al.
patent: 4943880 (1990-07-01), Muehlhausen et al.
patent: 5081556 (1992-01-01), Ikebe et al.

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