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:
Nov. 25, 2003
Filed:
Jun. 13, 2001
Hitachi Maxell, Ltd., Osaka, JP;
Abstract
There is provided a disk cartridge adaptable to an enlarged head by exposing an information recording disk extensively out of a cartridge case. In the disk cartridge, a cartridge case is divided on its plane into at least a first case portion and a second case portion, and the second case portion is arranged to be slidable relative to the first case portion. When the disk cartridge is not in use, the information recording disk is enabled to be covered by the first case portion and the second case portion by keeping the first case portion and the second case portion in a parallel state, and a disk freeing portion is so formed that, when the disk cartridge is in use, exposes parts of both inside face and outside face of the information recording disk are exposed from the cartridge case by moving the second case portion relative to the first case portion and overlapping the first case portion and the second case portion.