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Class Information
Number: 720/742
Name: Dynamic optical information storage or retrieval > Optical storage medium structure > Disk cartridge > Shutter member > Shutter movement is gear driven
Description: Subject matter wherein the shutter member includes a rack or gear to facilitate the covering or uncovering of the aperture.

Patents under this class:

Patent Number Title Of Patent Date Issued
8365211 Disk cartridge including an inner rotor and a shutter Jan. 29, 2013
8336065 Disk cartridge including an inner rotor and a shutter Dec. 18, 2012
8108885 Disk cartridge Jan. 31, 2012
7536703 Disc cartridge assembly May. 19, 2009
7340753 Disk drive Mar. 4, 2008
7237249 Disk drive with disk cartridge Jun. 26, 2007
7146625 Disc cartridge and disc drive using the same Dec. 5, 2006
7111313 Disk cartridge with shutter regulator, disk device and shutter opening/closing mechanism Sep. 19, 2006
7103901 Disc cartridge Sep. 5, 2006
7093271 Disk drive Aug. 15, 2006
6909580 Disk cartridge, disk device and shutter opening/closing mechanism including a rotating body Jun. 21, 2005
6901602 Disk cartridge May. 31, 2005
6900965 Disk cartridge May. 31, 2005
6898795 Disk drive unit May. 24, 2005
6590858 Disc cartridge Jul. 8, 2003
6477138 Disc cartridge with gearing shutters and disc driver for driving the same Nov. 5, 2002
5903535 Disc cartridge loading mechanism with an oscillating gear and two levers controlling a cover and the ejecting of a disc from the disc player May. 11, 1999
5570342 Disk cartridge with two slidable shutter members Oct. 29, 1996
5260931 Disk cartridge with improved transmission shutter mechanism Nov. 9, 1993
4799121 Disk cartridge having shutters moved by a rack and pinion apparatus Jan. 17, 1989
4682322 Disk cartridge Jul. 21, 1987

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