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:
Dec. 04, 2018
Filed:
Jun. 29, 2017
Applicant:
Minebea Mitsumi Inc., Nagano, JP;
Inventor:
Motojiro Tsuna, Miyota, JP;
Assignee:
MINEBEA MITSUMI INC., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/66 (2006.01); B23P 15/00 (2006.01); F16C 19/54 (2006.01); G11B 5/48 (2006.01); C10M 169/06 (2006.01);
U.S. Cl.
CPC ...
F16C 33/6633 (2013.01); B23P 15/003 (2013.01); C10M 169/06 (2013.01); F16C 19/54 (2013.01); G11B 5/4806 (2013.01); G11B 5/4813 (2013.01); C10M 2203/1006 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/0285 (2013.01); C10M 2207/2805 (2013.01); C10M 2207/2835 (2013.01); C10M 2215/1026 (2013.01); C10M 2223/041 (2013.01); C10N 2220/022 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/70 (2013.01); C10N 2240/02 (2013.01); C10N 2250/10 (2013.01); F16C 2370/12 (2013.01);
Abstract
A ball bearing is filled with a grease composition. The grease composition contains a synthetic oil other than a synthetic hydrocarbon oil, a synthetic hydrocarbon oil, a mineral oil, and a urea compound. The synthetic oil other than the synthetic hydrocarbon oil is contained in an amount of 10% by mass or more and 60% by mass or less when the total of the synthetic oil other than the synthetic hydrocarbon oil, the synthetic hydrocarbon oil and the mineral oil is taken as 100% by mass.