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Class Information
Number: 720/706
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
Description: Subject matter wherein the specific arrangements of the clamper mechanism which holds the optical storage medium securely is specified.










Sub-classes under this class:

Class Number Class Name Patents
720/711 Clamp for different types of disk 25
720/714 Linear movement 25
720/710 Magnetic 81
720/712 Particular shape 37
720/713 Pivoting mechanism 39
720/707 Radially extending members 100


Patents under this class:
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Patent Number Title Of Patent Date Issued
8645981 Disk chucking apparatus Feb. 4, 2014
8584153 Optical disc device Nov. 12, 2013
8490122 Disc chucking method and disc driving apparatus Jul. 16, 2013
8413179 Disk holding device and disk processor for a disk having a center hole Apr. 2, 2013
8327393 Disc-clamping mechanism and disc driving apparatus Dec. 4, 2012
8099745 Holding device and disk device for recording and reading information Jan. 17, 2012
8099746 Motor, storage disk drive apparatus and motor manufacturing method Jan. 17, 2012
8099744 Disk device Jan. 17, 2012
8095946 Optical disk motor and disc driving device installing the optical disk motor Jan. 10, 2012
8076806 Spindle motor having bushing Dec. 13, 2011
8079041 Spindle motor and clamping apparatus Dec. 13, 2011
8074240 Disk drive device with improved centering holding function Dec. 6, 2011
8074239 Axial force spindle clamp Dec. 6, 2011
8056097 Disk recording and/or reproducing apparatus Nov. 8, 2011
8024750 Lift device of a slot-in disk drive Sep. 20, 2011
7950028 Disk apparatus with improved optical pickup mount May. 24, 2011
7917918 Brushless motor having chucking mechanism, and disk driving device having the brushless motor Mar. 29, 2011
7908613 Disk loading apparatus Mar. 15, 2011
7831985 Disk clamp mechanism and disk device Nov. 9, 2010
7802270 Disk reproducing apparatus Sep. 21, 2010
7802271 Disk clamping device Sep. 21, 2010
7657902 Disk holding device and disk recording/reproduction apparatus Feb. 2, 2010
7565670 Disk clamping mechanism having improved vibration resistance Jul. 21, 2009
7543315 Disk-clamping device providing little noise during the disk clamping operation in a disk drive Jun. 2, 2009
7487520 Disc drive apparatus with disc chucking arrangement Feb. 3, 2009
7478412 Clamper and disk drive with the same Jan. 13, 2009
7448054 Disk clamper with a cushion member Nov. 4, 2008
7437747 Clamping device for optical disc apparatus Oct. 14, 2008
7434238 Optical disc apparatus Oct. 7, 2008
7392530 Disk drive device, disk drive system and disk Jun. 24, 2008
7380256 Disk device May. 27, 2008
7367038 Data storage disc holder having central shaft held by spring loaded clamps against inclined surfaces when in disc gripping configuration Apr. 29, 2008
7343609 Control mechanism for clamper guider in slot-in drive Mar. 11, 2008
7343610 Chucking mechanism for disc recording medium and disc drive with such chucking mechanism Mar. 11, 2008
7340757 Turntable and optical disc driver having the same Mar. 4, 2008
7278150 Disc-chucking mechanism having contractable/expandable O-ring for fixing disc Oct. 2, 2007
7263704 Disk clamper and method of assembling the same Aug. 28, 2007
7216355 Disk-chucking apparatus for disk drives May. 8, 2007
7200851 Disk drive Apr. 3, 2007
7134129 Data storage disc carrier with self centering and locking structures Nov. 7, 2006
7114165 Clamping device for an optical disk player Sep. 26, 2006
7100174 CD drive which will not damage an optical disk Aug. 29, 2006
7069804 Gear linkage device with real time check Jul. 4, 2006
7058961 Disk player, and self-compensating-dynamic-balancer (SCDB) integrated turntable, SCDB integrated clamper and SCDB integrated spindle motor employed in the same Jun. 6, 2006
7051346 Disk drive apparatus having particular clamping device May. 23, 2006
6952834 Disc chucking device and disk recording and/or reproducing apparatus Oct. 4, 2005
6845511 Reed-type clamp device Jan. 18, 2005
6807673 Disc player containing discs to be played and method of controlling the same Oct. 19, 2004
6799324 Disc driving apparatus Sep. 28, 2004
6535476 Disc clamp mechanism for disc apparatus Mar. 18, 2003

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