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:
Oct. 24, 1989
Filed:
Oct. 17, 1988
Applicant:
Inventor:
Masahiro Nishida, Osaka, JP;
Assignee:
Koyo Seiko Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
291161 ; 291162 ; 29130 ; 1001 / ; 100160 ;
Abstract
A back-up roll in a rolling mill is provided with multiple cylindrical rollers fit circumferentially between a roll shaft of the back-up roll and an outer casing thereof, and a tapered roller bearing is provided between the roll shaft and outer casing and juxtaposed to said cylindrical rollers and which receives a thrust load acting on the cylindrical rollers. The tapered roller bearing is composed of an inner ring set to the outside of the roll shaft, an outer ring fixed to the inside of the outer casing and in contact with ends of the cylindrical rollers, and multiple tapered rollers fit between the inner and outer rings.