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Class Information
Number: 720/705
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 > Having centering > Using balls
Description: Subject matter wherein the centering means includes spherical members.

Patents under this class:

Patent Number Title Of Patent Date Issued
8166496 Automatic balancing spindle motor Apr. 24, 2012
8074238 Spindle motor Dec. 6, 2011
7971213 Spindle motor with stability and vibration reduction mechanism Jun. 28, 2011
7461391 Spindle motor with stability and vibration reduction mechanism Dec. 2, 2008
5757762 Disk centering apparatus for a compact disk drive May. 26, 1998
5610900 Centering device of an optical disc player Mar. 11, 1997
4958839 Disc clamp employing resilient cone for spreading balls Sep. 25, 1990
4786997 Disk clamping mechanism for a disk player Nov. 22, 1988

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