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Class Information
Number: 720/707
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Optical storage medium support (i.e., turntable or spindle motor) > Optical storage disc holding structure > Details of clamping > Radially extending members
Description: Subject matter wherein the clamper mechanism includes members which move in a radial direction with respect to the medium to facilitate clamping thereof.


Sub-classes under this class:

Class Number Class Name Patents
720/709 Having groove or channel 13
720/708 Using balls 9


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7581235 Chucking apparatus Aug. 25, 2009
7540005 Disk drive May. 26, 2009
7493633 Drive motor for recording disk and recording disk drive using the drive motor for recording disk Feb. 17, 2009
7493632 Chucking apparatus Feb. 17, 2009
7480927 Chucking apparatus Jan. 20, 2009
7412713 Chucking apparatus Aug. 12, 2008
7380256 Disk device May. 27, 2008
7360227 Chucking apparatus and recording disk drive motor having chucking apparatus Apr. 15, 2008
7343610 Chucking mechanism for disc recording medium and disc drive with such chucking mechanism Mar. 11, 2008
7313801 Disk-chucking device of disk drive Dec. 25, 2007
7293274 Disk player Nov. 6, 2007
7254822 Disk drive avoiding flying disk Aug. 7, 2007
7181752 Clamp and alignment mechanism, and information recording and reproducing mechanism using the same Feb. 20, 2007
7111312 Radial vibration detection apparatus Sep. 19, 2006
7093269 Disk drive with hook disposed on clamp arm and/or playback base engaging groove formed in fixed base Aug. 15, 2006
7036135 Spindle motor centering device Apr. 25, 2006
6957443 Holding device for an optical disk drive Oct. 18, 2005
6871352 Disk apparatus Mar. 22, 2005
6868549 Disk clamp apparatus Mar. 15, 2005
6845512 Device with spring-loaded curved tongues for holding an optical disk around a rotary shaft of a motor Jan. 18, 2005
6836461 Clamping device for removable disks Dec. 28, 2004
6826771 Disk holding device Nov. 30, 2004
6611490 Clamping device for a disc-shaped information carrier Aug. 26, 2003
6577586 Clamping apparatus for clamping a disk in a disk drive Jun. 10, 2003
6574188 Self-adhesive spindle-shaped button disk and the use thereof Jun. 3, 2003
6542330 Disc clamp for improved disc stack balance Apr. 1, 2003
6532203 Cartridge engagement system for optical disk cartridges Mar. 11, 2003
6438095 Disc clamp mechanism for disc apparatus Aug. 20, 2002
6430145 Disk supporting device Aug. 6, 2002
6421312 Detection scheme for compact disk or digital video disk media proper installation Jul. 16, 2002
6363048 Disc clamp mechanism Mar. 26, 2002
6330219 Disk recording/reproducing device Dec. 11, 2001
6222818 Disc chucking mechanism Apr. 24, 2001
6208613 Disk player with disk chucking device Mar. 27, 2001
6205111 Disk driving apparatus for reliably centering a meter-layer optical disk on which information is recorded Mar. 20, 2001
6041033 Disk holding device Mar. 21, 2000
6038206 Disc table for disc recording/reproducing apparatus and method for producing same Mar. 14, 2000
5862120 Disc table for disc recording/reproducing apparatus and method for producing same Jan. 19, 1999
5799006 Disc table for disc recording/reproducing apparatus and method for producing same Aug. 25, 1998
5774445 Disc clamp mechanism having radial disposed disc pressing elements Jun. 30, 1998
5761185 Apparatus for reading and writing read/write disks Jun. 2, 1998
5644564 Vacuum chuck for rotating data discs Jul. 1, 1997
5637200 Compact disk locking apparatus Jun. 10, 1997
5323379 Disk clamping apparatus including a clamp having a plurality of clamp jaws movable horizontally Jun. 21, 1994
5166920 Disk clamp apparatus Nov. 24, 1992
5056082 Apparatus for clamping removable disks Oct. 8, 1991
5048005 Spindle clamp having a unitary lock member Sep. 10, 1991
5014143 Data recording disk chuck mechanism May. 7, 1991
4898397 Segmented disk clamp Feb. 6, 1990
4787079 Recording disk centering and clamping apparatus Nov. 22, 1988

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