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. 27, 2013
Filed:
May. 30, 2008
Daigo Nagumo, Fujisawa, JP;
Yuji Onuki, Fujisawa, JP;
Shinya Kondo, Fujisawa, JP;
Shin Tomogami, Iwata, JP;
Shinichi Takabe, Iwata, JP;
Daigo Nagumo, Fujisawa, JP;
Yuji Onuki, Fujisawa, JP;
Shinya Kondo, Fujisawa, JP;
Shin Tomogami, Iwata, JP;
Shinichi Takabe, Iwata, JP;
Kyodo Yushi Co., Ltd., Kanagawa, JP;
NTN Corporation, Osaka, JP;
Abstract
A grease composition for constant-velocity joints which is inexpensive and which and which has an improved anti-flaking property without using materials which have environmental burdens, and a constant-velocity joint enclosing this grease are provided. A grease composition for constant-velocity joints comprising: (a) a base oil, (b) a diurea thickener, (c) a zinc dialkyldithiophosphate, (d) a sulfurized molybdenum dialkyldithiocarbamate, (e) a zinc dialkyldithiocarbamate, and (f) a sulfur-nitrogen extreme pressure additive is provided.