Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Optical storage medium support
Reexamination Certificate
2009-01-14
2011-10-11
Yoha, Connie (Department: 2827)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Optical storage medium support
C720S697000, C720S704000
Reexamination Certificate
active
08037490
ABSTRACT:
A spindle motor is provided. The spindle motor includes a rotation shaft rotatably installed, a stator around the rotation shaft, a rotor coupled to the rotation shaft, a turntable rotated with the rotation shaft, and a center guide member comprising a body coupled to the rotation shaft and a support rim extending from the body, the support rim can comprise a first sloped surface extending from an outer surface of the body and making an angle of about 47° to 53° with an imaginary vertical line parallel with the rotation shaft, and a second sloped surface extending from an end of the first sloped surface and making an angle of about 16° to 22° with an imaginary vertical line parallel with the rotation shaft.
REFERENCES:
patent: 7434240 (2008-10-01), Yoo et al.
patent: 7979874 (2011-07-01), Park et al.
patent: 2011/0167438 (2011-07-01), Ryu
LG Innotek Co. Ltd.
Saliwanchik Lloyd & Eisenschenk
Yoha Connie
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