Disk cartridge

Details Disk cartridge Disk cartridge

2005-05-31

2005-05-31

Miller, Brian E. (Department: 2652)

Dynamic magnetic information storage or retrieval

Record medium

In container

C720S741000, C720S742000

Reexamination Certificate

active

06900965

ABSTRACT:
A disk cartridge in which a pair of shutter members can be opened and closed smoothly and reliably, and a dust-proof property and an airtightness of a large opening portion can be increased by reducing a space between a pair of shutter members and a cartridge housing as much as possible. The disk cartridge comprises a cartridge housing in which a disk compartment is formed-between an upper shell and a middle shell by overlapping the upper shell, the middle shell and the lower shell and the middle shell is supported by the upper shell and the lower shell so as to become freely rotatable, an optical disk rotatably stored within the disk compartment and a pair of shutter members attached to the middle shell in such a manner that they can be moved in the plane direction on the same plane. A shutter opening and closing mechanism for opening and closing opening portions by moving the pair of shutter members based rotation of the middle shell.

REFERENCES:
patent: 4471397 (1984-09-01), Cloutier
patent: 4586102 (1986-04-01), Bresson
patent: 4724962 (1988-02-01), Watanabe et al.
patent: 5278717 (1994-01-01), Sasaki et al.
patent: 5537389 (1996-07-01), Kuwa et al.
patent: 5570342 (1996-10-01), Kosaka
patent: 6021031 (2000-02-01), Hales et al.
patent: 6111726 (2000-08-01), Clark et al.
patent: 6205116 (2001-03-01), Hashimoto
patent: 6356527 (2002-03-01), Shiomi et al.
patent: 6473392 (2002-10-01), Shiomi et al.
patent: 11 345475 (1999-12-01), None
patent: 2000-30394 (2000-01-01), None

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