Disc chucking device and disk recording and/or reproducing...

Details Disc chucking device and disk recording and/or reproducing... Disc chucking device and disk recording and/or reproducing...

2005-10-04

2005-10-04

Klimowicz, William J (Department: 2652)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

C720S706000, C720S713000, C720S715000

Reexamination Certificate

active

06952834

ABSTRACT:
A disc chucking device is provided which holds a disc-shaped recording medium on a disc table and rotates it along with the disc table. It includes a disc table whose rotation-center line is laid generally orthogonally to the vertical direction and onto which a disc-shaped recording medium is set with the main side thereof being parallel to the vertical direction, a centering block formed on the disc table and which is to be fitted in a central hole in the disc-shaped recording medium, a motor to rotate the disc table, a clamper to pinch along with the disc table the disc-shaped recording medium put on the disc table, and a fall-off preventive structure provided on the disc table for engagement with the disc-shaped recording medium at the central hole formed in the latter.

REFERENCES:
patent: 3709503 (1973-01-01), Kamio et al.
patent: 6011771 (2000-01-01), Akama et al.
patent: 2002/0009036 (2002-01-01), Omori
patent: 62-103868 (1987-05-01), None
patent: 08190754 (1996-07-01), None
patent: 10003742 (1998-01-01), None
patent: 11-238278 (1999-08-01), None

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