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Class Information
Number: 720/709
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 > Having groove or channel
Description: Subject matter including groove or channel for facilitating movement of the radially extending members.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7540005 |
Disk drive |
May. 26, 2009 |
| 7380256 |
Disk device |
May. 27, 2008 |
| 7313801 |
Disk-chucking device of disk drive |
Dec. 25, 2007 |
| 7181752 |
Clamp and alignment mechanism, and information recording and reproducing mechanism using the same |
Feb. 20, 2007 |
| 6941570 |
Clamp device for optical disc |
Sep. 6, 2005 |
| 6779192 |
Disk clamping device for a disk drive having a hub insertable into a central hole of a disk |
Aug. 17, 2004 |
| 6584064 |
Clamping device of disc |
Jun. 24, 2003 |
| 6272104 |
Media retention device for CD ROM and digital video drives in a portable computer |
Aug. 7, 2001 |
| 5555233 |
Disk hold device having an operation button |
Sep. 10, 1996 |
| 5379287 |
Disc retaining device for a disc player |
Jan. 3, 1995 |
| 4649532 |
Disc-record player comprising a pressure member for pressing a record disc against the turntable |
Mar. 10, 1987 |
| 4570255 |
Disc-record player with pressure means for pressing a disc onto a turntable |
Feb. 11, 1986 |
| 4562570 |
Video disc turntable having clamping device |
Dec. 31, 1985 |
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