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. 29, 1989
Filed:
Oct. 31, 1988
Applicant:
Inventors:
Takeshi Masui, Nishinomiya, JP;
Yoshiro Matsumoto, Nishinomiya, JP;
Atsushi Tomizawa, Kobe, JP;
Eiji Hirooka, Yamato-Koriyama, JP;
Assignee:
Sumitomo Metal Industries, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
291162 ; 291161 ; 291295 ; 29130 ;
Abstract
A variable-crown roll comprises a straight arbor, and a plurality of antifriction bearings which are mounted on the arbor, each of the bearings having a cylindrical outer surface which is sloped with respect to the outer surface of the arbor, the bearings being symmetrically disposed with respect to the lengthwise center of the arbor, the slopes of the outer surfaces of the bearings on one side of the lengthwise center of the arbor being symmetric with respect to the slopes of the outer surfaces of the bearings on the other side of the lengthwise center.