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:
Jan. 28, 1992
Filed:
Jul. 24, 1989
Applicant:
Inventors:
Minoru Fujita, Toride, JP;
Masaru Yoshida, Ibaraki, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; B65D / ;
U.S. Cl.
CPC ...
369291 ; 360133 ; 360137 ; 206444 ; 264327 ;
Abstract
A shutter, made of synthetic resin, for a disk cartridge for closing and opening a head access hole formed in a cartridge casing accommodating therein a rotatable disk comprising a pair of side plates facing each other, a connection plate for connecting corresponding ends of the side plates to provide the shutter with a substantially U-shaped cross-section, and an ejection mark formed by means of ejection pin moulding, disposed on a portion of an outer surface of one of the side plates, such that an end surface of the connection plate is at least partially extended.