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:
Jul. 20, 1999
Filed:
Feb. 12, 1997
Masanori Abe, Miyagi, JP;
Sony Corporation, , JP;
Abstract
A tape cartridge that can be extracted from the recording/reproducing apparatus by a changer device in which powder debris caused by abrasion are not produced and flow marks may be prevented from becoming apparent. The tape cartridge has a main body portion, on which outer peripheral wall sections are integrally formed upright, a pair of tape reels rotatably mounted within the inside of the cartridge man body portion and a magnetic tape reeled out from one of the tape reels so as to be taken up on the other tape reel. In the outer peripheral wall section of the cartridge main body portion are formed arm engagement recesses engaged by arms provided on a changer device. On the outer peripheral wall section of the cartridge main body portion are formed arm extraction irregular surface sections having a plurality of crests having sharply pointed distal ends.