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Class Information
Number: 720/740
Name: Dynamic optical information storage or retrieval > Optical storage medium structure > Disk cartridge > Shutter member > Having shutter locking member
Description: Subject matter including means on the shutter member to cooperate with a portion of the container or housing to securely hold the shutter member in place in the closed position.

Patents under this class:

Patent Number Title Of Patent Date Issued
8505041 Disk cartridge with internal rotatable locking mechanism Aug. 6, 2013
8209712 Disk cartridge with rotatably supported disk storage portions Jun. 26, 2012
8108885 Disk cartridge Jan. 31, 2012
8037487 Optical disk device Oct. 11, 2011
7793315 Photosensitive-recording medium cartridge, and shutter lock canceling mechanism Sep. 7, 2010
7698717 System for recording/reproducing photosensitive recording medium Apr. 13, 2010
7647603 Disc cartridge Jan. 12, 2010
7540007 Disk cartridge with shutter locking member May. 26, 2009
7536703 Disc cartridge assembly May. 19, 2009
7533397 Disc cartridge May. 12, 2009
7526782 Shutter member for disc cartridge, disc cartridge and disc recording/reproducing apparatus Apr. 28, 2009
7506348 Disc cartridge, and disc recording and/or reproducing device using the same Mar. 17, 2009
7448056 Disc cartridge Nov. 4, 2008
7391593 Cartridge shutter mechanism Jun. 24, 2008
7389521 Disk cartridge Jun. 17, 2008
7111313 Disk cartridge with shutter regulator, disk device and shutter opening/closing mechanism Sep. 19, 2006
7086074 Disk cartridge Aug. 1, 2006
7020885 Data storage cartridge loading system Mar. 28, 2006
6687215 Low profile and medium protecting cartridge assembly Feb. 3, 2004
6590859 Disc cartridge Jul. 8, 2003
6529471 Disc protection casing and drive for receiving the same Mar. 4, 2003
6507560 Disc cartridge Jan. 14, 2003
6463030 Disc cartridge Oct. 8, 2002
6449242 Disk cartridge Sep. 10, 2002
6298034 Disk-shaped information memorizing medium cartridge Oct. 2, 2001
5923641 Disk cartridge Jul. 13, 1999
5822297 Disc cartridge with locking shutter having an inserting portion Oct. 13, 1998
5546376 Shutter locking mechanism for a miniature compact disk cartridge or the like and a method of manufacturing the same Aug. 13, 1996
5526342 Disk cartridge having write protection means Jun. 11, 1996
5481420 Data storage device with removable cartridge having shutter unlocking and disk unrestraining arrangements Jan. 2, 1996
5406547 Disk cartridge with shutter locking mechanism Apr. 11, 1995
5272693 Disc cartridge having a shutter Dec. 21, 1993
5068761 Disk cartridge with notch for locking a shutter Nov. 26, 1991
5062100 Combination disc cassette and apparatus for removing disc therefrom Oct. 29, 1991
4945530 Cartridge for optical data discs Jul. 31, 1990
4943880 Disk locking mechanism for disk cartridge Jul. 24, 1990
4802047 Disc cartridge Jan. 31, 1989
4797770 Disk cartridge with releasable latching shutter Jan. 10, 1989
4791515 Protecting a disc cartridge from inadvertent actuation during nonuse Dec. 13, 1988

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