The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2006
Filed:
Jun. 27, 2002
Applicants:
Masaru Ikebe, Tokyo, JP;
Kenji Hashizume, Tokyo, JP;
Inventors:
Masaru Ikebe, Tokyo, JP;
Kenji Hashizume, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 23/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a disc cartridge for an optical disc and the like, to increase stiffness in an opening for a record and reproduction mechanism. A disc cartridgehas an upper shell, a center frame, and a lower shellclamped to one another. A center frame openingand a lower shell openingexpose a recording surface of a recording medium contained between the center frameand the upper shelldownwardly, and a reinforcing memberintegrally couples the ends of the center frame openingand a lower shell reinforcing memberintegrally couples the ends of the lower shell opening