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:
Jan. 27, 2015
Filed:
Jan. 25, 2012
Applicants:
Masato Higuchi, Gunma, JP;
Eisho Watanabe, Gunma, JP;
Inventors:
Masato Higuchi, Gunma, JP;
Eisho Watanabe, Gunma, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/41 (2006.01); F16D 3/38 (2006.01); F16C 33/78 (2006.01); F16C 19/22 (2006.01); F16C 19/26 (2006.01); F16C 33/64 (2006.01); F16C 19/44 (2006.01); F16C 33/58 (2006.01);
U.S. Cl.
CPC ...
F16D 3/41 (2013.01); F16D 3/385 (2013.01); F16C 33/7809 (2013.01); F16C 33/7823 (2013.01); F16C 33/7886 (2013.01); F16C 33/7889 (2013.01); F16C 19/225 (2013.01); F16C 19/26 (2013.01); F16C 33/64 (2013.01); F16C 19/44 (2013.01); F16C 33/58 (2013.01);
Abstract
Cross-type universal joint and a shell-type needle bearing that is used therein. The portions on the outer surface of the shell-type outer ring for which there is a possibility of coming in sliding contact with the tip end edges of at least two seal lips of a plurality of seal lips of a seal ring are selectively covered with a corrosion resistant coating. Preferably, the entire outer surface of the shell-type outer ring is covered by a chemically treated film having anti-corrosion properties.