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Class Information
Number: 360/99.12
Name: Dynamic magnetic information storage or retrieval > Record transport with head stationary during transducing > Disk record > Disk seating
Description: Subject matter including a feature for retaining the disk in or on a disk rotating device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5216558 |
Drawer loading removable cartridge disk drive |
Jun. 1, 1993 |
| 5198944 |
System for locating and holding a cartridge |
Mar. 30, 1993 |
| 5177731 |
Disk drive and pickup unit for an optical disk player |
Jan. 5, 1993 |
| 5166920 |
Disk clamp apparatus |
Nov. 24, 1992 |
| 5162958 |
Recording and/or reproducing apparatus including mechanism for utilization of a disc-shaped record bearing medium with disc clamping structure having means, for holding the disc which is movab |
Nov. 10, 1992 |
| 5151836 |
Disk chucking device |
Sep. 29, 1992 |
| 5138606 |
Disk drive device having a swingable lever carrying pin and positioned in a space between a rotary plate and a magnetic member mounted on the rotary plate |
Aug. 11, 1992 |
| 5136450 |
Disc pack assembly having a laminate sleeve disposed between a spindle and a disc, for reducing radial disc displacement |
Aug. 4, 1992 |
| 5128818 |
Stable disc unit having reduced thickness |
Jul. 7, 1992 |
| 5126900 |
Disk gripping device |
Jun. 30, 1992 |
| 5121272 |
Apparatus for centering the magnetic disc in a magnetic disc drive |
Jun. 9, 1992 |
| 5107484 |
Arrangement of recording/reproducing apparatus |
Apr. 21, 1992 |
| 5103358 |
Disk drive unit having a turntable with a projection to assure proper disk mounting |
Apr. 7, 1992 |
| 5101306 |
Releasable controlled force clamp for disk storage apparatus |
Mar. 31, 1992 |
| 5089922 |
Disc drive motor spindle hub for holding a disc and spacer stack firmly in place |
Feb. 18, 1992 |
| 5084796 |
Disc loading apparatus |
Jan. 28, 1992 |
| 5075808 |
Retaining clamp for a disc storage apparatus |
Dec. 24, 1991 |
| 5072321 |
Apparatus for providing uniform attractive force to a magnetic disk hub in a magnetic disk drive |
Dec. 10, 1991 |
| 5060096 |
Magnetic disc clamping/seating unit |
Oct. 22, 1991 |
| 5056082 |
Apparatus for clamping removable disks |
Oct. 8, 1991 |
| 5053903 |
Disk clamp positioning apparatus for information storage disk drive system |
Oct. 1, 1991 |
| 5050158 |
Magnetic clamp for a disk medium |
Sep. 17, 1991 |
| 5048005 |
Spindle clamp having a unitary lock member |
Sep. 10, 1991 |
| 5047881 |
Recording and/or reproducing apparatus |
Sep. 10, 1991 |
| 5031062 |
Method and apparatus for reducing disk distortion under clamping load in a disk drive apparatus |
Jul. 9, 1991 |
| 5025340 |
Rotary chuck for centering and retaining data discs |
Jun. 18, 1991 |
| 5014143 |
Data recording disk chuck mechanism |
May. 7, 1991 |
| 5010427 |
Apparatus for positioning a magnetic disk on a disk drive |
Apr. 23, 1991 |
| 5006945 |
Disk player having dual-side playback capability |
Apr. 9, 1991 |
| 4989107 |
Microfloppy disk drive with centering mechanism |
Jan. 29, 1991 |
| 4965685 |
Removable cartridge disc drive with radial arm voice coil actuator |
Oct. 23, 1990 |
| 4958839 |
Disc clamp employing resilient cone for spreading balls |
Sep. 25, 1990 |
| 4959744 |
Shutter assembled disc cartridge |
Sep. 25, 1990 |
| 4941060 |
Recording and/or reproducing apparatus utilizing record bearing media of the disc type |
Jul. 10, 1990 |
| 4933785 |
Disk drive apparatus using dynamic loading/unloading |
Jun. 12, 1990 |
| 4933927 |
Disk centering method and apparatus for centering disks for disk drives |
Jun. 12, 1990 |
| 4918545 |
Disk clamp for rigid disk file without radial load |
Apr. 17, 1990 |
| 4910620 |
Thermal compensation structure for a disk pack module |
Mar. 20, 1990 |
| 4903155 |
Disc drive |
Feb. 20, 1990 |
| 4898397 |
Segmented disk clamp |
Feb. 6, 1990 |
| 4899244 |
Disk cartridge with hub seal |
Feb. 6, 1990 |
| 4890175 |
Recording medium mounting means and recording or reproducing apparatus incorporating same |
Dec. 26, 1989 |
| 4881745 |
Mechanical plate clamp |
Nov. 21, 1989 |
| 4875118 |
Reducing harmful runout in a rigid magnetic disk through use of shims |
Oct. 17, 1989 |
| 4870518 |
Removable cartridge disc drive with radial arm voice coil actuator |
Sep. 26, 1989 |
| 4864443 |
Disc clamping device |
Sep. 5, 1989 |
| 4864442 |
Magnetic read/write apparatus |
Sep. 5, 1989 |
| 4864441 |
Player apparatus for a flexible disc housed in a cassette |
Sep. 5, 1989 |
| 4858045 |
Magnetic disk lock having braking apparatus |
Aug. 15, 1989 |
| 4855850 |
Disk drive apparatus with disk rotating means |
Aug. 8, 1989 |
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