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:
Sep. 04, 2001
Filed:
Apr. 19, 1999
Tsuneo Uwabo, Hachiouji, JP;
Yoshihiro Okano, Atsugi, JP;
Eiichi Yoneyama, Atsugi, JP;
Yoshinori Tangi, Hachiouji, JP;
Mitsumi Electric Co., Ltd., Tokyo, JP;
Abstract
A flexible disk,includes a magnetic recording medium,, upper and lower jackets,and,enclosing the magnetic recording medium so that the magnetic recording medium is rotatable, and upper and lower liners,and,attached to inner surfaces of the upper and the lower jackets, respectively. The magnetic recording medium is provided with a rotation supporting hub,attached to a center portion thereof. The lower jacket is provided with an opening,to expose the hub on its outer surface. The lower liner,has an inner peripheral portion,extended to a gap,between the hub and an edge of the opening to thereby prevent the ingress of the dust through the gap.