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1. 发明授权

US06737016B2 Process for manufacturing sintered slide bearing 失效
标题翻译：制造烧结滑动轴承的工艺
公开(公告)号：US06737016B2
公开(公告)日：2004-05-18
申请号：US10141905
申请日：2002-05-08
申请人： Hideo Shikata , Hidekazu Tokushima , Tadayoshi Yano
发明人： Hideo Shikata , Hidekazu Tokushima , Tadayoshi Yano
IPC分类号： B22F326
CPC分类号： C22C32/0094 , B22F3/26 , B22F2003/166 , B22F2998/10 , F16C33/121 , B22F3/02 , B22F3/10
摘要： Disclosed is a process for manufacturing a sintered slide bearing. A sintered porous bearing body is prepared from a powdered metal material and a resin material in a fluidable state is penetrated into the sintered porous bearing body. The resin material in the sintered porous bearing body is hardened, and the sintered porous bearing body after the hardening of the resin material is repressed to reduce a gap produced between the sintered porous bearing body and the hardened resin material by volume reduction caused on the resin material at the hardening.
摘要翻译：公开了一种制造烧结滑动轴承的方法。烧结的多孔轴承体由粉末金属材料制成，可流动状态的树脂材料穿透到烧结的多孔轴承体中。烧结的多孔轴承体中的树脂材料被硬化，并且在树脂材料硬化之后的烧结多孔轴承体被抑制，以通过在树脂上引起的体积减小来减少烧结的多孔轴承体和硬化的树脂材料之间产生的间隙材料在硬化。

2. 发明授权

US06822358B2 Spindle motor and manufacture thereof 失效
标题翻译：主轴电动机及其制造
公开(公告)号：US06822358B2
公开(公告)日：2004-11-23
申请号：US10244457
申请日：2002-09-17
申请人： Tsutomu Nozaki , Tadayoshi Yano , Toshikazu Takehana , Hidekazu Tokushima , Yuji Yoshitomi
发明人： Tsutomu Nozaki , Tadayoshi Yano , Toshikazu Takehana , Hidekazu Tokushima , Yuji Yoshitomi
IPC分类号： H02K708
CPC分类号： F16C17/04 , F16C33/08 , F16C33/1035 , F16C43/02 , F16C2370/12 , G11B19/2009 , H02K5/1675
摘要： A spindle motor having a bearing housing and a thrust bearing fitted in the bearing housing at the lower end of the latter, in which an inclined part is formed on the outer peripheral edge at the lower end of the thrust bearing, and the outer diameter part of the thrust bearing is fitted in a coupling bore formed in the end surface of the bearing housing, the end surface of the bearing housing being pressed uniformly in the axial direction over the entire circumference around the coupling bore to cause the bearing housing to plastically flow around the coupling bore in order to cover the above-mentioned inclined part of the thrust bearing. The above-mentioned covering part formed in the bearing housing through plastic flow can exhibit a high bonding strength between the bearing housing and the thrust bearing in the spindle motor without deteriorating the sealing ability of the spindle motor, due to a shearing force and a residual contact pressure of the covering part.
摘要翻译：一种主轴电动机，其具有轴承壳体和推力轴承，所述推力轴承装配在所述轴承壳体的下端，所述推力轴承在所述止推轴承的下端的外周边缘上形成有倾斜部，所述外径部止推轴承装配在形成在轴承箱端面上的连接孔中，轴承壳体的端面沿轴向均匀地压在连接孔周围的整个圆周上，使轴承壳体塑性流动围绕联接孔以覆盖推力轴承的上述倾斜部分。通过塑料流动形成在轴承壳体中的上述覆盖部分可以在轴承壳体和主轴电机中的推力轴承之间表现出高的结合强度，而不会由于剪切力和残余物而降低主轴电机的密封能力覆盖部分的接触压力。

3. 发明授权

US06756715B2 Spindle motor 失效
标题翻译：主轴电机
公开(公告)号：US06756715B2
公开(公告)日：2004-06-29
申请号：US10360000
申请日：2003-02-06
申请人： Jun Hirose , Katsutoshi Nii , Tadayoshi Yano , Toshikazu Takehana , Hidekazu Tokushima
发明人： Jun Hirose , Katsutoshi Nii , Tadayoshi Yano , Toshikazu Takehana , Hidekazu Tokushima
IPC分类号： H02K512
CPC分类号： F16C17/028 , F16C17/107 , F16C17/26 , F16C2370/12 , G11B19/2009 , H02K5/1675
摘要： A spindle motor comprises a housing 10 including a through hole with a pair of apertures, one of the apertures being closed by a thrust plate 70 and the other aperture being open; a bearing 60 accommodated in the housing 90; a rotating shaft 30 inserted into the bearing 60; a displacement restraining structure for restraining movement of the rotating shaft 30 toward the open aperture by engaging the rotation shaft 30 with the bearing 60; a rotating member secured to the rotating shaft; and a motor generating electromagnetic function for rotating the rotating member. The through hole of the housing 90 includes a large diameter portion 92A at the thrust plate 70 side and a small diameter portion 92B at the open aperture side, and a stepped portion 93 is formed at a transition portion between the large diameter portion 92A and the small diameter portion 92B. At least a portion of the bearing 60 is located at the large diameter portion 92A side of the housing 90, and engages with the stepped portion 93 of the housing 90.
摘要翻译：主轴电动机包括壳体10，壳体10包括具有一对孔的通孔，其中一个孔由止推板70封闭，另一个孔打开; 容纳在壳体90中的轴承60; 插入到轴承60中的旋转轴30; 用于通过使旋转轴30与轴承60接合来限制旋转轴30朝向开口的运动的位移限制结构; 固定在旋转轴上的旋转构件; 以及用于旋转旋转构件的产生电磁功能的电动机。壳体90的通孔包括在推力板70侧的大直径部分92A和在开口侧的小直径部分92B，并且台阶部分93形成在大直径部分92A和小径部92B。轴承60的至少一部分位于壳体90的大直径部分92A侧，并与壳体90的阶梯部分93接合。

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