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, 2012
Filed:
Aug. 16, 2011
Applicants:
Yingcheng LI, Zhongshan, CN;
Shen Zhang, Zhongshan, CN;
Inventors:
Yingcheng Li, Zhongshan, CN;
Shen Zhang, Zhongshan, CN;
Assignee:
Zhongshan Broad-Ocean Motor Manufacturing Co., Ltd., Zhongshan, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A washer, including a central axial hole, a first oil retainer, and at least one oil-storage groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer is formed on one side of the washer. The oil-storage groove is disposed on the surface of the first oil retainer.