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:
Dec. 22, 1992
Filed:
Dec. 05, 1990
Masato Tanaka, Tokyo, JP;
Kiyotaka Yanaka, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A magnetic tape cassette includes a cassette casing composed of upper and lower cassette shells joined to each other, a pair of reel hubs rotatably disposed in the cassette casing and supported by the cassette shells, and a magnetic tape wound around the reel hubs and housed in the cassette casing. The cassette shells have a pair of sets of aligned holes defined therein for receiving hub drive shafts, respectively, and a pair of sets of circular recesses defined in inner surfaces of the cassette shells in coaxial surrounding relation to the holes. The reel hubs have axial holes for receiving the hub drive shafts and open ends loosely fitted in the recesses.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile