Disc cartridge having disc access opening

Details Disc cartridge having disc access opening Disc cartridge having disc access opening

2005-05-03

2008-03-11

Miller, Brian E. (Department: 2627)

Dynamic optical information storage or retrieval

Optical storage medium structure

Disk cartridge

C720S741000, C360S133000

Reexamination Certificate

active

07343613

ABSTRACT:
A disc cartridge is constructed so that disc access to a recording medium enclosed within the disc cartridge via an opening in the cartridge case is restricted by a disc tray and a shutter member disposed inside the cartridge case. The shutter member is rotatably attached to one of the disc tray and the cartridge case, and detachment of the shutter member is restricted at least in a range of rotation of the shutter member between a position where the shutter member covers part of the opening and a position where the shutter member has been withdrawn from the opening. Attachment of the shutter member is carried out without crimping.

REFERENCES:
patent: 4724962 (1988-02-01), Watanabe et al.
patent: 6356527 (2002-03-01), Shiomi et al.
patent: 6728199 (2004-04-01), Obata et al.
patent: 7114166 (2006-09-01), Hashizume et al.
patent: 7281258 (2007-10-01), Hashizume et al.
patent: 2002/0012316 (2002-01-01), Inoue et al.
patent: 2002/0131361 (2002-09-01), Oishi et al.
patent: 2004/0114276 (2004-06-01), Inoue et al.
patent: 2004/0257705 (2004-12-01), Abe et al.
patent: 2005/0081233 (2005-04-01), Kato et al.
patent: 2006/0026624 (2006-02-01), Hashizume et al.
patent: 2001-283555 (2001-10-01), None
patent: 2003-123426 (2003-04-01), None
patent: 2004-253101 (2004-09-01), None
English language Abstract of JP 2003-123426.
English language computer-generated translation of JP 2003-123426, Apr. 25, 2003.

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