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. 06, 2009
Filed:
Jul. 31, 2007
Yasuo Inugai, Osaka, JP;
Hideyuki Tanaka, Osaka, JP;
Yasuo Inugai, Osaka, JP;
Hideyuki Tanaka, Osaka, JP;
Hitachi Maxell, Ltd., Ibaraki-shi, JP;
Abstract
A tape cartridge in which an operation for engaging a reel hole of a tape reel with a drive shaft can be carried out smoothly, the tape reel can be rotationally driven in a state in which the centers of the drive shaft and the reel hole match, and reading/writing from/to recording tape can consistently be carried out in a stable manner. A drive shaftof a tape drive comprises a fitting shaftformed in a multi-sided cross-section shape and an engagement guide shaftformed in an upwardly tapered shape. A drive shaft insertion holefor the drive shaftis provided in a lower wall of a housing. A reel holeinto which the drive shaftis fitted is provided in a hubof the tape reel. The reel holeis formed in the same multi-sided cross-section shape as the fitting shaft, the vertical depth of the reel holebeing set so as to accept the fitting shaftand the coupling guide shaft