Invention Grant
- Patent Title: Spindle motor
- Patent Title (中): 主轴电机
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Application No.: US12874103Application Date: 2010-09-01
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Publication No.: US08454237B2Publication Date: 2013-06-04
- Inventor: Young Tae Kim
- Applicant: Young Tae Kim
- Applicant Address: KR Suwon-Si, Gyeonggi-do
- Assignee: Samsung Electro-Mechanics Co., Ltd.
- Current Assignee: Samsung Electro-Mechanics Co., Ltd.
- Current Assignee Address: KR Suwon-Si, Gyeonggi-do
- Agency: Blakely Sokoloff Taylor & Zafman LLP
- Priority: KR10-2010-0045934 20100517
- Main IPC: F16C32/06
- IPC: F16C32/06
Abstract:
The spindle motor includes a rotating shaft and a sleeve. The rotating shaft has a stepped portion in a fluid dynamic pressure shafting system. The sleeve is fitted over the circumferential outer surface of the rotating shaft. A sleeve recess is formed in the inner surface of the sleeve so that the edges of the stepped portion are spaced apart from the sleeve.
Public/Granted literature
- US20110280509A1 SPINDLE MOTOR Public/Granted day:2011-11-17
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