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:
Apr. 16, 1991
Filed:
Jan. 25, 1990
Satoru Koizumi, Higashihiroshima, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A tape recorder in which first and second cassette tapes are loaded on a two stage reel mechanism, the two stage reel mechanism comprising a first reel, operatively connected to reel driving circuit, for transmitting a rotating force of the driving circuit to the first cassette tape, the first reel including a plurality of first engaging members at its periphery engaging with projections of a reel hub of the first cassette tape, and a second reel, operatively connected to the driving means and coaxially provided with the first reel for transmitting a rotating force of the driving circuit to the second cassette tape, the second reel including a plurality of second engaging members at its periphery engaging with projections of a reel hub of the second cassette tape, wherein at least one of the ends respective reels is tapered.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile