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:
Mar. 03, 1987
Filed:
Apr. 23, 1985
Fumito Komatsu, Nagano, JP;
Akiyoshi Toyama, Nagano, JP;
Yuzo Oguchi, Nagano, JP;
Kiyoharu Iwanami, Nagano, JP;
Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano, JP;
Abstract
A recording and reproducing disk cassette having a case accommodating a rotatably mounted disk which is partially exposed through first openings provided in the case which are normally maintained closed by a shutter plate which is moved when the cassette is loaded by the disk to expose the first openings, including first steps provided on the case at an elevation below the outer surface of the case, second steps provided on the case at an elevation below the first steps, the shutter plate being slidably mounted on the second steps, and a protective plate having second openings coinciding with the first openings of the case and being fixedly mounted on the first steps of the case such that the protective plate covers the shutter plate.