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:
May. 04, 1993
Filed:
Feb. 13, 1992
Applicant:
Inventors:
Yasuyuki Anzai, Kamakura, JP;
Kiyoshi Takeuchi, Odawara, JP;
Yoshikazu Fukumura, Iwata, JP;
Yukio Hasegawa, Iwata, JP;
Assignee:
NTN Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 25 ; 252 336 ; 252 / ; 252 / ; 252 466 ;
Abstract
A grease composition for constant velocity joint is a particular combination of a urea grease composed of a lubricating oil and a urea base thickener with (A) molybdenum sulfide dialkyldithiocarbamate, (B) molybdenum disulfide, (C) zinc dithiophosphate and (D) an oiliness agent of at least one vegetable oils and fats and can attain not only reduction of induced thrust but also improvement of flaking resistance.