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. 26, 1988
Filed:
Sep. 12, 1984
Hideo Shirako, Tokyo, JP;
Kazuhide Ishikawa, Chofu, JP;
Olympus Optical Co., Ltd., , JP;
Abstract
A tape cassette for cleaning use supplies a cleaning liquid from a cleaning liquid supply to the opposite sides of a cleaning tape having a low friction factor and simultaneously achieves the reliable cleaning of a tape running passage and the smooth running of the cleaning tape, when a magnetic head of a tape recorder is inserted from an opening of a cassette housing, by pressing the cleaning tape against the magnetic head through a pad. In addition, the tape cassette is constructed such that a surface of a liquid retaining member provided in the cleaning liquid supply is changeable which surface is in contact with the cleaning tape, so that the good and stable cleaning effect can be obtained over a long period of time.