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. 21, 2015
Filed:
Dec. 10, 2012
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon, KR;
Inventor:
Young Ha Park, Suwon, KR;
Assignee:
SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 32/06 (2006.01); H02K 7/08 (2006.01); H02K 5/167 (2006.01);
U.S. Cl.
CPC ...
H02K 7/086 (2013.01); H02K 5/1677 (2013.01); F16C 32/0633 (2013.01); F16C 2370/12 (2013.01);
Abstract
There is provided a spindle motor including: a lower thrust member fixedly installed on a base member and including an extension part extended upwardly in an axial direction; a shaft having a lower end portion fixedly installed on the lower thrust member; a sleeve rotatably installed with respect to the shaft; an upper thrust member fixedly installed on the shaft to correspond to an upper portion of the sleeve; and a rotor hub rotating together with the sleeve, wherein an end portion of the extension part and a surface of the sleeve opposed thereto are provided with rounded surfaces.