Disc cartridge having an improved shutter configuration

Details Disc cartridge having an improved shutter configuration Disc cartridge having an improved shutter configuration

1989-05-31

1991-07-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

369291, 206444, G11B 2303

Patent

active

050364219

ABSTRACT:
A disc cartridge capable of permitting upper and lower shutter plates of a shutter to be substantially uniformly contacted with upper and lower surface portions of a slide area section defined on a casing to ensure satisfactory operation of the disc cartridge with high reliability. In the disc cartridge, the upper and lower surface portions of the slide area section are obliquely formed in such a manner that a distance between the upper surface portion and the lower surface portion is reduced toward a distal opening of the shutter fitted on the slide area section.

REFERENCES:
patent: 4688206 (1987-08-01), Nakagawa et al.
patent: 4698714 (1987-10-01), Sugawara et al.
patent: 4714973 (1987-12-01), Kato et al.
patent: 4797770 (1989-01-01), Takahasi
patent: 4851948 (1989-07-01), Kato et al.

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