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发明申请
US20090129709A1 HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR AND INFORMATION APPARATUS EQUIPPED WITH SAME 有权
水动力轴承装置和主轴装置及其装备的信息装置

  • 专利标题： HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR AND INFORMATION APPARATUS EQUIPPED WITH SAME
  • 专利标题（中）： 水动力轴承装置和主轴装置及其装备的信息装置
  • 申请号： US12262656
    申请日： 2008-10-31
  • 公开(公告)号： US20090129709A1
    公开(公告)日： 2009-05-21
  • 发明人: Yoshihito Watanabe , Hiroyuki Kiriyama
  • 申请人： Yoshihito Watanabe , Hiroyuki Kiriyama
  • 优先权： JP2007-290324 20071108; JP2008-214946 20080825
  • 主分类号： F16C32/06
  • IPC分类号： F16C32/06
HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR AND INFORMATION APPARATUS EQUIPPED WITH SAME
摘要：
The cross sectional shape of an axial direction communicating path when viewed in the axial direction is flat in the circumferential direction, and the cross sectional area of the communicating path gradually decreases moving from the center of the cross section toward the both ends in the circumferential direction. When a sleeve and a cover member are bonded with an adhesive, the adhesive is actively made to flow into an adhesive inflow portion.
摘要（中）：

轴向连通路径的轴向截面形状在圆周方向上是平坦的，并且连通路径的横截面积从横截面的中心朝向圆周方向的两端逐渐减小 。 当用粘合剂粘合套筒和盖构件时，主动地使粘合剂流入粘合剂流入部分。

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