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:
Apr. 02, 2013
Filed:
Sep. 13, 2010
Hyuk Joo Kim, Seoul, KR;
Bum Cho Kim, Seoul, KR;
Young Ha Park, Gyunggi-do, KR;
Tae Young Choi, Gyunggi-do, KR;
Hyuk Joo Kim, Seoul, KR;
Bum Cho Kim, Seoul, KR;
Young Ha Park, Gyunggi-do, KR;
Tae Young Choi, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd, Gyunggi-Do, KR;
Abstract
Disclosed herein is a spindle motor having a fluid dynamic bearing as an oil gap formed between a rotator and a stator, wherein the stator includes a sleeve having a protruding part extending in a circumferential direction formed on the upper part thereof, the rotator includes a hub including an oil interface forming member positioned under the protruding part of the sleeve and coupled to the lower end thereof, and an oil interface of the oil gap is formed between the upper part of the oil interface forming member and the lower part of the protruding part of the sleeve.