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:
Jul. 10, 2012
Filed:
Nov. 20, 2007
Applicants:
Dong-seob Shim, Gyeonggi-do, KR;
Chung-rea Lee, Incheon, KR;
Inventors:
Dong-Seob Shim, Gyeonggi-do, KR;
Chung-Rea Lee, Incheon, KR;
Assignee:
Doosan Infracore Co., Ltd., Incheon, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 5/10 (2006.01); F16C 33/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a composition for a bush-type bearing, a bush-type bearing manufactured using the composition, and a method of manufacturing the bush-type bearing. The bearing has excellent friction characteristics with a shaft made of iron (Fe) based material, and thus is able to increase the lubrication cycle of a lubricant. Further, the bearing has excellent hardness, and thus is able to prevent plastic deformation under high contact pressure.