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:
Apr. 12, 2011
Filed:
Sep. 20, 2005
Nobuyuki Mori, Mie, JP;
Nobuyuki Mori, Mie, JP;
NTN Corporation, Osaka, JP;
Abstract
A double row self-aligning roller bearing in which spherical rollers are arranged in double rows between an inner ring and an outer ring, characterized in that the curvature radius of the ridge line of the spherical roller in one row is R, the curvature radius of the ridge line of the spherical roller positioned in the other row is R, the curvature radius of the inner ring track surface being in contact with the spherical roller in one row is N, and the curvature radius of the inner ring track surface being in contact with the spherical roller in the other row is N, a relation such that N/R>N/Ris satisfied.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile