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:
Feb. 23, 1988
Filed:
Dec. 17, 1985
Applicant:
Inventors:
Takateru Satoh, Nagano, JP;
Haruo Shiba, Nagano, JP;
Kimio Tanaka, Nagano, JP;
Yoshiya Sakata, Nagano, JP;
Assignee:
TDK Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360132 ;
Abstract
A resiliently-mounted protective cover mounted on a magnetic tape cassette is controllably moved between exposed and protected positions along substantially the same path of movement during each use of the cassette. Blocking walls are provided in the interior of the cassette for preventing contaminants from reaching and contacting the magnetic tape therein.