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. 14, 2013
Filed:
Oct. 29, 2010
Applicants:
Kazuma Ito, Tokyo, JP;
Kazuyuki Tatsuta, Kanagawa, JP;
Tetsuro Sugiura, Kanagawa, JP;
Inventors:
Assignee:
Ebara Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/66 (2006.01); F01M 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A highly reliable combined bearing capable of achieving equal and sufficient lubrication of a plurality of roller bearings with a simple and compact structure is provided. The combined bearing includes a first roller bearing and a second roller bearing which are in contact with each other and arranged on the same axis. A lubricating oil inlet introduces a lubricating oil into an inner space formed between the first roller bearing and the second roller bearing, the lubricating-oil inlet being provided on at least one of an outer ring of the first rolling bearing and an outer ring of the second rolling bearing.