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:
Mar. 17, 2009
Filed:
Apr. 07, 2005
Takashi Ohgi, Miyagi, JP;
Takashi Ohgi, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A disk cartridge is provided that has an optical disk () encased therein. It includes a cartridge body () having formed therein a head opening () through which a part of the disk, ranging from the inner to outer radius, is exposed to outside, a shutter member () including a shutter () that covers and uncovers the head opening and installed to the cartridge body to be movable between a position to cover the head opening and a position to uncover the head opening, and shutter movement limiter () provided on an elastic moving piece () coupled to a coupling arm () extending from one side of the shutter member and that is engaged on a movement limiter () provided on the cartridge body, when the shutter member is in a position to cover the head opening, to limit the shutter member from moving in a direction of uncovering the head opening.