ClassID:

198540

G11B17/038 - CPC Classification

Classification description:

Guiding record carriers not specifically of filamentary or web form, or of supports therefor; Details Centering or locking of a plurality of discs in a single cartridge

Recent Application in this class:
#1
20260105933
2026-04-16

VARIABLE HEIGHT MEDIA AND SPACER COMBINATION

#2
20250384898
2025-12-18

HARD DISK DRIVE

#3
20240347076
2024-10-17

HARD DISK DRIVE

#4
20240170017
2024-05-23

Impact resistant magnetic disk device and method for manufacturing impact resistant magnetic disk device

#5
20240005958
2024-01-04

Magnetic disk device

#6
20230368815
2023-11-16

Hard disk drive spacer having chamfered surface and main surface with inclined region

#7
20230352048
2023-11-02

Hard disk drive multiple contact disk clamp

#8
20230352047
2023-11-02

Hard disk drive multiple contact disk spindle motor hub flange

#9
20230230619
2023-07-20

Disk clamp with unbalance correction capability and disk device with the same

#10
20220157340
2022-05-19

Method for manufacturing ring-shaped glass spacer

#11
20210407551
2021-12-30

Data storage device with composite spacer for disk stack assembly

#12
20210264946
2021-08-26

Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer

#13
20210090603
2021-03-25

Spacer and hard disk drive apparatus

#14
20200395046
2020-12-17

Glass spacer and hard disk drive apparatus

#15
20200234731
2020-07-23

Spacer and hard disk drive apparatus

#16
20200227087
2020-07-16

Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer

#17
20200211596
2020-07-02

Glass spacer and hard disk drive apparatus

#18
20200202891
2020-06-25

Assembly that enables reduction in disk to disk spacing

#19
20190325911
2019-10-24

Disc storage cassettes comprising index features

#20
20190279677
2019-09-12

Disk clamping mechanism including annular ring member

#21
20190130939
2019-05-02

Disc storage cassettes comprising track connectors

#22
20180226098
2018-08-09

Method of mass transfer of plurality of data discs with disc drive slots

#23
20180211691
2018-07-26

Disc storage cassettes comprising a movable bale

#24
20170236545
2017-08-17

High performance robotic optical storage system

#25
20170236544
2017-08-17

Disc storage cassettes

#26
20170076748
2017-03-16

Methods and devices for reducing couple imbalance in a hard drive

#27
20160247546
2016-08-25

Debris reducing disk clamp for disk drives

#28
20160163350
2016-06-09

Spindle motor with disk clamp centered on cover cap

#29
20150055248
2015-02-26

Spindle motor and disk drive apparatus

#30
20140139950
2014-05-22

Debris reducing disk clamp for disk drives

#31
20140089951
2014-03-27

Loading mechanism for cartridge drive apparatus

#32
20130272107
2013-10-17

Debris reducing disk clamp for disk drives

#33
20110181983
2011-07-28

Method of centering a disk of hard disk drive

#34
20110176241
2011-07-21

DISK SPACER FOR DATA STORAGE DEVICE AND HARD DISK DRIVE HAVING THE SAME

#35
20110128651
2011-06-02

Electrically conductive spacer and disk drive including the electrically conductive spacer

#36
20100014190
2010-01-21

RECORDING MEDIUM DRIVE

#37
20090083772
2009-03-26

Disk device

#38
20080313662
2008-12-18

Disk-clamping device

#39
20080304177
2008-12-11

Flow modifiers for improved magnetic recording device

#40
20080250629
2008-10-16

Assembly and method for installing a disc clamp

#41
20080240633
2008-10-02

Hydrodynamic bearing and spindle motor and information recording and reproducing apparatus equipped with the same

#42
20080231990
2008-09-25

CLAMPS FOR SECURING A MEDIUM IN A MEMORY STORAGE DEVICE

#43
20080204928
2008-08-28

Clamping system for a data storage device

#44
20080180837
2008-07-31

Spindle motor hub, disk pack, and hard disk drive having the same

#45
20080144212
2008-06-19

Fixing mechanism for recording medium

#46
20080144208
2008-06-19

Multiple disks in a single disk package

#47
20080136285
2008-06-12

SPINDLE MOTOR, DISK DRIVE, AND METHOD OF FABRICATING A STATOR CORE

#48
20080130167
2008-06-05

Information storage device

#49
20080100958
2008-05-01

Two-plane balance for spindle motors

#50
20080092152
2008-04-17

Disk carrier device and disk drive

#51
20080068744
2008-03-20

Hard disk drive

#52
20080055773
2008-03-06

Multi-Platter Flexible Media Disk Drive Arrangement

#53
20080037165
2008-02-14

Method and apparatus for a disk clamp used in a hard disk drive that reduces mechanical deformation on at least one disk from tightened screws through the disk clamp

#54
20080037163
2008-02-14

Clamp device

#55
20080024909
2008-01-31

Application of PFPES for HDD screw lubricant

#56
20080019037
2008-01-24

Disk spacer and hard disk drive having the same

#57
20070253291
2007-11-01

Product including filmed screw

#58
20070242388
2007-10-18

Disc Clamp Having Force Distributing Features

#59
20070217063
2007-09-20

Data storage disc carriers

#60
20070211376
2007-09-13

HARD DISK DRIVE DEVICE AND METHOD OF ASSEMBLING THE HARD DISK DRIVE DEVICE

#61
20070188033
2007-08-16

Manufacturing method of bearing member and manufacturing method of sleeve unit

#62
20070177297
2007-08-02

APPARATUS AND METHOD FOR MULTIPLE DISKS STACKING AND DESTACKING

#63
20070150908
2007-06-28

Disk apparatus

#64
20070146927
2007-06-28

Disc clamping device and disc drive having the same

#65
20070111041
2007-05-17

Member for supporting magnetic disc substrates, process of producing the same, and magnetic disc device using the same

#66
20070058292
2007-03-15

SPINDLE MOTOR ASSEMBLY USEABLE IN A HARD DISK DRIVE

#67
20070058291
2007-03-15

Spindle motor with flange land portion for ensuring flatness of recording disc

#68
20070047139
2007-03-01

Hard disk and spindle motor assembly

#69
20070025016
2007-02-01

Disk spacer, hard disk drive with the disk spacer, and disk balancing method using the disk spacer

#70
20070018640
2007-01-25

Vacuum chuck spinstand for testing magnetic heads and disks

#71
20070011695
2007-01-11

Data storage disc holder having central shaft held by spring loaded clamps against inclined surfaces when in disc gripping configuration

#72
20060291095
2006-12-28

Magnetic disk apparatus

#73
20060268452
2006-11-30

APPARATUS AND METHOD FOR DISK-STACK ASSEMBLY AND TRANSFER WITH TA-C COATING TO REDUCE METALLIC PARTICULATES

#74
20060256467
2006-11-16

Spindle motor for hard disk drive

#75
20060232881
2006-10-19

Disk drive disk clamping via a hub flange, a clamp, and an O-ring

#76
20060232880
2006-10-19

Mounting system for a storage media disc

#77
20060181169
2006-08-17

Magnetic disk drive with improved vibration characteristics

#78
20060171064
2006-08-03

Method and apparatus for disk damper extending across all data tracks of a rotating disk surface upwind of the voice coil actuator in a hard disk drive

#79
20060168608
2006-07-27

Disk-clamping device providing little noise during the disk clamping operation in a disk drive

#80
20060158777
2006-07-20

Hard disk drive with disk spacer and spindle motor assembly

#81
20060158776
2006-07-20

Hard disk drive device and method of assembling the hard disk drive device

#82
20060152848
2006-07-13

Recording disk driving motor and recording disk driving apparatus having the same

#83
20060132976
2006-06-22

Data recording disk and hard disk drive having the same

#84
20060132965
2006-06-22

Mounting spindle shaft in magnetic disk drive

#85
20060126219
2006-06-15

Magnetic disk drive with line contact

#86
20060119980
2006-06-08

Magnetic disk drive with adjustment of rotational balance

#87
20060107520
2006-05-25

Fastening a magnetic disk to a hub structure

#88
20060092561
2006-05-04

Disk clamp assembly

#89
20060092560
2006-05-04

Plastic spacer and disk clamp assembly

#90
20060092559
2006-05-04

Clamp assembly for a data storage device with a lubricant trap to prevent lubricant migration from mounting screws

#91
20060061905
2006-03-23

Air baffle device with a plurality of metal plates for reducing disk stack vibration in media servowriter

#92
20060050437
2006-03-09

Recording disk cartridge

#93
20060050436
2006-03-09

Recording disk cartridge

#94
20060044685
2006-03-02

Recording disk cartridge

#95
20060044684
2006-03-02

Recording disk cartridge

#96
20060044676
2006-03-02

Hard spacer in recording disk drive and method of making the same

#97
20060041900
2006-02-23

Recording disk cartridge having a plurality of flexible recording disk media

#98
20060039080
2006-02-23

Method for preparing a glass spacer ring for a magnetic disk and spacer ring

#99
20060002013
2006-01-05

System and method for hard disk drive with disk clamp annular rim inner wall engaging hub annular recess outer wall

#100
20060002007
2006-01-05

Hard disk drive having disk damper and disk protector

#101
20050286164
2005-12-29

Outer hub assembly and spindle motor including the same in hard disk drive and method for servo-track writing

#102
20050254166
2005-11-17

System, method, and apparatus for distributing stress with one or more cavities in a disk clamp for disk drive applications

#103
20050201010
2005-09-15

Disc media retainer

#104
20050185328
2005-08-25

Magnetic disk apparatus

#105
20050162776
2005-07-28

Disk clamping apparatus for hard disk drive and hard disk drive with the same

#106
20050161887
2005-07-28

Disc-chucking mechanism having contractable/expandable O-ring for fixing disc

#107
20050157421
2005-07-21

Servo track writer and a chuck thereof

#108
20050135225
2005-06-23

Disk and clamp assembly

#109
20050128636
2005-06-16

Process for aligning a disc member on a rotatable hub

#110
20050122618
2005-06-09

Fixing mechanism for recording medium

#111
20050108743
2005-05-19

Disc device and loading method for recording disc

#112
20050086678
2005-04-21

Spindle motor

#113
20050081229
2005-04-14

Chucking mechanism for disc recording medium and disc drive with such chucking mechanism

#114
20050081228
2005-04-14

Aligning device, for a disk recording medium, having a sliding portion disposed between the medium and turntable guide portion

#115
20050078409
2005-04-14

Two-plane balance for spindle motors

#116
20050047007
2005-03-03

Plastic spacer and disk clamp assembly

#117
20050047006
2005-03-03

Disk clamp assembly

#118
20050047005
2005-03-03

Composite disk clamp assembly with lower layer fixedly coupled to upper layer of smaller diameter

#119
20050047004
2005-03-03

Apparatus and system for centering media disks on the hub of a spindle motor in a hard disk drive

#120
20050044694
2005-03-03

Method of centering media disks on the hub of a spindle motor in a hard disk drive

#121
20050036235
2005-02-17

Pop-on disc clamp for a data storage device

#122
20050018338
2005-01-27

Disc imbalance compensation during disc drive assembly

#123
20050015783
2005-01-20

Disk apparatus

#124
20050007693
2005-01-13

Top cover attached single plate fluid dynamic bearing motor

#125
18243202
2025-03-18

Data cartridge magazine and library system

#126
16588912
2020-05-19

Method and system for selecting and moving a single disc in an optical disc library

#127
16266898
2020-01-28

Method and system for selecting and moving a single disc in an optical disc library

#128
15400683
2018-04-24

Device for multiple disc load and unload with a plurality of telescopic sections

#129
15274662
2017-10-24

Multiple disk loader apparatus

#130
15046404
2017-04-25

Disc storage cassettes

#131
14854412
2016-11-22

Methods and devices for reducing couple imbalance in a hard drive