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:
Aug. 02, 1988
Filed:
Oct. 05, 1987
Applicant:
Inventors:
Shigeo Sasaki, Kyoto, JP;
Osamu Yamamoto, Takatsuki, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ; B65H / ; G03B / ;
U.S. Cl.
CPC ...
242 685 ; 242 718 ; 242199 ;
Abstract
A hub assembly for use in a recording tape cartridge is composed of an inner body and an outer ring formed around the inner body so as to decrease distortion on the out-of roundness and the verticality of the outer cylindrical surface of the hub assembly.