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:
Oct. 06, 1987
Filed:
Apr. 25, 1985
Applicant:
Inventors:
Kokichi Sugawara, Miyagiken, JP;
Takayoshi Matsuzaka, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ; B65D / ;
U.S. Cl.
CPC ...
360133 ; 360 99 ; 206444 ; 369291 ;
Abstract
A magnetic disc cassette has a casing for enclosing a magnetic disc therein and a shutter provided on the casing and slideably moveable to expose or cover a head access opening in the casing. The shutter is molded from a synthetic resin to have a generally U-shaped cross section and has opposed edges which closely approach each other and are separated by less than the width of the casing when the shutter is removed from the casing.