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. 22, 2014
Filed:
Aug. 09, 2012
Seung Heon Han, Gyunggi-do, KR;
Hong Joo Lee, Gyunggi-do, KR;
Hyun Ho Shin, Gyunggi-do, KR;
Sung Yeol Park, Gyunggi-do, KR;
Ju Ho Kim, Gyunggi-do, KR;
Seung Heon Han, Gyunggi-do, KR;
Hong Joo Lee, Gyunggi-do, KR;
Hyun Ho Shin, Gyunggi-do, KR;
Sung Yeol Park, Gyunggi-do, KR;
Ju Ho Kim, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Abstract
There are provided a hydrodynamic bearing assembly and a spindle motor including the same. The hydrodynamic bearing assembly includes: a sleeve including a shaft hole to have a shaft rotatably installed therein; and a cover member covering the shaft hole at a lower portion of the shaft hole in an axial direction, wherein an inner surface of the sleeve is provided with depression parts depressed in an outer diameter direction between upper and lower portions of the sleeve and portions in which radial bearings are formed, such that the portions in which the radial bearings are formed are provided with bearing closure adhesion parts allowing the portions in which the radial bearings are formed to be closer to the shaft than portions other than the portions in which the radial bearings are formed.