Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Optical storage medium support
Reexamination Certificate
2004-11-16
2009-08-25
Chen, Tianjie (Department: 2627)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Optical storage medium support
Reexamination Certificate
active
07581235
ABSTRACT:
A chucking apparatus in which a plurality of pawl bodies are provided in a radial direction of a hub body of a turntable such that said pawl bodies can move, a center hole of a disk is pressed by said pawl bodies to hold said disk, wherein said chucking apparatus comprises a resilient member for biasing said pawl bodies outward of said hub body, each of said pawl bodies includes a pawl portion which comes into contact with said disk, and a pawl-side stopper for limiting outward movement of the pawl bodies caused by said resilient member, said hub body includes a pawl opening through which said pawl portion can project outward, and a hub-side stopper which abuts against said pawl-side stopper, and a contact surface of a lower end of said pawl body with respect to a lower part is of an arc shape.
REFERENCES:
patent: 4398280 (1983-08-01), Ishigami et al.
patent: 6252319 (2001-06-01), Sudo et al.
patent: 7010798 (2006-03-01), Saji et al.
patent: 7480927 (2009-01-01), Oota
patent: 2006/0048176 (2006-03-01), Choi et al.
patent: 2007/0157219 (2007-07-01), Oota
patent: 2007/0192779 (2007-08-01), Oota
patent: 2007/0192780 (2007-08-01), Oota
patent: 2007/0200465 (2007-08-01), Shiga
patent: 2008/0046906 (2008-02-01), Takaki et al.
patent: 11-306628 (1999-11-01), None
patent: 11306628 (1999-11-01), None
patent: 2000-67497 (2000-03-01), None
patent: 2003-16710 (2003-01-01), None
patent: 2003016710 (2003-01-01), None
patent: 3851908 (2005-09-01), None
patent: 2006026608 (2006-02-01), None
Japanese Office Action.
English translation of Chinese Office Action dated Aug. 31, 2007.
Chinese Office Action dated Aug. 31, 2007.
English translation of Japanese Office Action dated Jul. 17, 2007.
Japanese Office Action dated Oct. 16, 2007 with English translation thereof.
Chen Tianjie
Dickinson Wright PLLC
Panasonic Corporation
LandOfFree
Chucking apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chucking apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chucking apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4089347