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:
Nov. 25, 2014
Filed:
Sep. 02, 2011
Takashi Azuma, Fujisawa, JP;
Yoshihisa Imamoto, Fujisawa, JP;
Motohiro Ito, Kuwana, JP;
Yasushi Shibata, Iwata, JP;
Takashi Azuma, Fujisawa, JP;
Yoshihisa Imamoto, Fujisawa, JP;
Motohiro Ito, Kuwana, JP;
Yasushi Shibata, Iwata, JP;
Kyodo Yushi Co., Ltd., Fujisawa, JP;
NTN Corporation, Osaka, JP;
Abstract
The invention provides a grease composition for hub unit bearing, containing (a) an aromatic diurea thickener, (b) a base oil, (c) a metal salt of oxidized wax, (d) diphenyl hydrogen phosphate, and (e) at least one rust preventive selected from the group consisting of sulfonate rust preventives and carboxylic acid rust preventives. The grease composition of the invention shows excellent anti-fretting properties at low temperature, and at the same time, exhibit excellent rust preventing properties.