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    Bearing device
    3.
    发明授权
    Bearing device 有权
    轴承装置

    公开(公告)号：US09330711B2

    公开(公告)日：2016-05-03

    申请号：US14465245

    申请日：2014-08-21

    申请人： Minebea Co., Ltd.

    发明人： Kunihiro Tsuchiya

    IPC分类号： G11B19/20 ,  G11B33/14 ,  F16C33/80 ,  F16C35/077 ,  G11B5/55 ,  F16C33/78 ,  F16C19/54

    CPC分类号： G11B5/4813 ,  F16C19/06 ,  F16C19/54 ,  F16C33/7846 ,  F16C33/80 ,  F16C33/805 ,  F16C35/07 ,  F16C35/077 ,  F16C2370/12 ,  G11B5/5569 ,  G11B19/20 ,  G11B33/1473

    摘要： In order to prevent leaking of lubricant, the bearing device includes a rolling bearing having an outer ring and an inner ring, a shaft fixed to the inner ring, and a sleeve fixed to the outer ring. A flange part is formed on at least one end part of the shaft. The flange part includes a disk part extending from the shaft toward an outside in a radial direction and a cylindrical part extending from the disk part along an axial direction. The cylindrical part is disposed at an outside of the outer ring, and a labyrinth gap which bends at two places is formed by gaps.

    摘要翻译： 为了防止润滑剂的泄漏，轴承装置包括具有外环和内圈的滚动轴承，固定到内圈的轴和固定到外圈的套筒。 凸缘部分形成在轴的至少一个端部上。 凸缘部包括从轴向径向外侧延伸的圆盘部，以及从圆盘部沿轴向延伸的圆筒部。 圆筒部设置在外圈的外侧，通过间隙形成在两处弯曲的迷宫间隙。

    Pivot assembly bearing
    4.
    发明授权
    Pivot assembly bearing 有权
    枢轴组装轴承

    公开(公告)号：US08646987B2

    公开(公告)日：2014-02-11

    申请号：US13740675

    申请日：2013-01-14

    申请人： Minebea Co., Ltd.

    发明人： Kunihiro Tsuchiya

    IPC分类号： F16C35/06 ,  F16C35/063 ,  F16C35/073

    CPC分类号： F16C35/063 ,  C09J175/16 ,  F16C19/06 ,  F16C19/54 ,  F16C35/06 ,  F16C35/073 ,  F16C2226/40 ,  F16C2370/12 ,  G11B5/4813 ,  G11B33/121

    摘要： A pivot assembly bearing having a bearing inner ring, a shaft, a bearing outer ring, a housing, and an UV curable anaerobic adhesive fixing the bearing inner ring to the shaft, and the bearing outer ring to the housing, wherein the adhesive includes 15 to 25% of urethane acrylate, 45 to 55% of acrylic acid diester, less than 3% of acrylic acid monomer, 15 to 30% of hydroxyalkylmethacrylate, less than 3% of anaerobic catalyst, and less than 3% of photopolymerization initiating agent, and in addition, a coloring agent, if necessary. The pivot assembly bearing reduces outgas, shortens adhesive curing time, and no tack at the adhesive surface is obtained.

    摘要翻译： 一种枢转组件轴承，其具有将轴承内圈固定到轴上的轴承内圈，轴，轴承外圈，壳体和UV可固化厌氧粘合剂，以及将轴承外圈固定到壳体，其中粘合剂包括15 至25％的氨基甲酸酯丙烯酸酯，45-55％的丙烯酸二酯，小于3％的丙烯酸单体，15-30％的甲基丙烯酸羟烷基酯，小于3％的厌氧催化剂和小于3％的光聚合引发剂， 此外，如果需要，着色剂。 枢轴组件轴承减少了排气，缩短了粘合剂固化时间，并且没有获得粘合剂表面的粘性。

    Pivot assembly bearing and disk drive device
    5.
    发明授权
    Pivot assembly bearing and disk drive device 有权
    枢轴组件轴承和磁盘驱动装置

    公开(公告)号：US09500233B2

    公开(公告)日：2016-11-22

    申请号：US14935916

    申请日：2015-11-09

    申请人： MINEBEA CO., LTD.

    发明人： Kunihiro Tsuchiya ,  Tadashi Uchida

    IPC分类号： G11B5/48 ,  F16C33/80 ,  F16C19/54 ,  F16C33/78

    CPC分类号： F16C33/80 ,  F16C19/06 ,  F16C19/54 ,  F16C33/7886 ,  F16C2370/12 ,  G11B5/4813

    摘要： A pivot assembly bearing includes: a sleeve, a shaft inserted into the sleeve, a pair of rolling bearings disposed between the sleeve and the shaft such that the rolling bearings are separated apart from each other in an axial direction. The rolling bearings include an inner ring fixed to the shaft, an outer ring fixed to the sleeve, and a rolling element provided between the inner ring and the outer ring. In at least one of the rolling bearings, a first sealing member contacts an end face of the outer ring facing an outer side in the axial direction. Thus, a first labyrinth gap between the first sealing member and an end face of the inner ring facing the outer side in the axial direction, and a second labyrinth gap between the first sealing member and the shaft are formed.

    摘要翻译： 枢轴组件轴承包括：套筒，插入套筒中的轴，设置在套筒和轴之间的一对滚动轴承，使得滚动轴承在轴向方向上彼此分离。 滚动轴承包括固定到轴的内圈，固定到套筒的外圈和设置在内圈和外圈之间的滚动元件。 在至少一个滚动轴承中，第一密封构件与轴向方向上的外侧的外圈的端面接触。 因此，形成第一密封构件与内圈的在轴向外侧面的端面与第一密封构件与轴之间的第二迷宫间隙的第一迷宫间隙。