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:
Jun. 11, 1996
Filed:
Mar. 10, 1995
Noboru Akiyama, Tokyo, JP;
Katsumi Kameda, Tokyo, JP;
Abstract
A disk cartridge has a case comprising an upper and a lower shell halves for accommodating a disk. The case has a spindle insertion hole, a head insertion hole and a shutter for opening and closing the two holes. The case has at least one of a disconnection preventing mechanism for preventing an elastic spring for urging the shutter from being disconnected from a slider and a part of the case, a drive pin smooth motion mechanism for moving a drive pin on the slider, a shutter locking mechanism for locking the shutter at a closing position, a disk center holding mechanism for supporting the disk at its center position, a disk periphery holding mechanism for holding the periphery of the disk, a writing protection mechanism for prevention new information from being recorded on the disk and a mechanism for forming the case with a good outer appearance.