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:
Jun. 26, 1984
Filed:
Jan. 20, 1982
Applicant:
Inventors:
Takateru Sato, Tokyo, JP;
Haruo Shiba, Tokyo, JP;
Assignee:
TDK Electronics Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
242 741 ;
Abstract
A magnetic tape clamping device of a reel hub is formed by a clamping piece having projections at the both ends and a concave portion formed on the periphery of the reel hub in which an undercut portion is formed in each side wall of the concave portion so that an increased clamping force is applied between the projections of the clamping piece and legs formed by undercut portions when a magnetic tape is pulled.