Invention Grant
- Patent Title: Pivot assembly bearing and hard disk drive device
- Patent Title (中): 枢轴装配轴承和硬盘驱动装置
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Application No.: US14924268Application Date: 2015-10-27
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Publication No.: US09542964B2Publication Date: 2017-01-10
- Inventor: Atsushi Kaneko , Kunihiro Tsuchiya
- Applicant: MINEBEA CO., LTD.
- Applicant Address: JP Kitasaku-gun
- Assignee: MINEBEA CO., LTD.
- Current Assignee: MINEBEA CO., LTD.
- Current Assignee Address: JP Kitasaku-gun
- Agency: Oliff PLC
- Priority: JP2014-219565 20141028; JP2014-219566 20141028
- Main IPC: F16C21/00
- IPC: F16C21/00 ; G11B5/48 ; F16C33/76 ; F16C37/00

Abstract:
A pivot assembly bearing includes a shaft, a sleeve provided coaxially with the shaft, and a pair of rolling bearings arranged to be separated from each other in an axial direction between the shaft and the sleeve. The sleeve includes a ventilation path configured to communicate a region surrounded by the shaft, the pair of rolling bearings, and the sleeve with the outside of the sleeve.
Public/Granted literature
- US20160118068A1 PIVOT ASSEMBLY BEARING AND HARD DISK DRIVE DEVICE Public/Granted day:2016-04-28
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