Invention Grant
- Patent Title: Impact resistant rotating device with increased-thickness portion relationship and suction plate configuration
- Patent Title (中): 具有较大厚度部分关系和吸盘结构的抗冲击旋转装置
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Application No.: US13104870Application Date: 2011-05-10
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Publication No.: US09030775B2Publication Date: 2015-05-12
- Inventor: Takanori Watanabe , Takuji Yamada , Susumu Ando , Hiroshi Iwai
- Applicant: Takanori Watanabe , Takuji Yamada , Susumu Ando , Hiroshi Iwai
- Applicant Address: JP Shizuoka
- Assignee: Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd.
- Current Assignee: Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd.
- Current Assignee Address: JP Shizuoka
- Agency: Z IP Law PLLC
- Priority: JP2010-109459 20100511
- Main IPC: G11B19/20
- IPC: G11B19/20 ; G11B25/04 ; H02K5/04 ; G11B33/14
Abstract:
In a disk drive device, a magnetic recording disk is mounted on a hub. A base rotatably supports the hub via a bearing unit. The base has a ring-shaped wall that surrounds the bearing unit and that protrudes towards the hub. A laminated core is fixed to the base. The laminated core has a ring portion and twelve teeth that radially outwardly extend from the ring portion. Coils are wound around the twelve teeth. The base includes an increasing-thickness portion formed so that the less the distance between a part of the increasing-thickness portion and the ring-shaped wall is, the thicker the part of the increasing-thickness portion becomes.
Public/Granted literature
- US20110279925A1 ROTATING DEVICE AND A METHOD FOR MANUFACTURING A ROTATING DEVICE Public/Granted day:2011-11-17
Information query
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