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:
Feb. 19, 2013
Filed:
Sep. 29, 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, a second oil retainer, and a transition groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer and the second oil retainer are formed on the washer. The transition groove is disposed between the first oil retainer and the second oil retainer.