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:
May. 22, 1984
Filed:
Jun. 22, 1982
Shuichi Ohta, Fujima, JP;
Atsuhiro Kumagai, Yokohama, JP;
Sony Corporation, Tokyo, JP;
Abstract
A tape cassette with tape reels mounted therewithin having an opening portion formed in one side of the tape cassette and a notched portion formed in the lower surface of the cassette in a position adjacent to the opening portion, wherein a tape wound round the tape reels is passed along the opening portion, characterized by the combination therewith of an improved construction comprising a front cover capable of being opened and closed which covers the front face of the tape passed along the opening portion and an inner cover capable of being opened and closed which covers the back of the tape in an opposed relation to the front cover, whereby the tape is enclosed while being held from before and behind between the front cover and the inner cover and consequently the adhesion of dust or the like to the tape and the damage of the tape can be prevented.