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:
Apr. 28, 2009
Filed:
Jul. 23, 2004
Kazuhito Kurita, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Kazuhito Kurita, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed is a disc cartridge including a main cartridge body unit () in which is rotatably housed an optical disc (). The disc cartridge includes a recording and/or reproducing aperture () for exposing a portion of the optical disc to outside across the inner and outer rims of the disc, a shutter unit () mounted for movement to the main cartridge body unit for opening/closing the recording and/or reproducing aperture and a lock unit () for locking the shutter unit () in a position of closing the recording and/or reproducing aperture. The lock unit includes a lock member (), rotatably mounted to the shutter unit, and an engaging part (), provided to the main cartridge body unit, so as to be engaged by the lock member ().