公开(公告)号：US06997616B2

公开(公告)日：2006-02-14

申请号：US10758258

申请日：2004-01-16

申请人： Hironari Sakoda ,  Shinichi Natsumeda ,  Takashi Murai

发明人： Hironari Sakoda ,  Shinichi Natsumeda ,  Takashi Murai

IPC分类号： F16C19/26

CPC分类号： F16C19/225 ,  F16C19/26 ,  F16C33/34 ,  F16C33/585 ,  F16C2240/40

摘要： A radial roller bearing has: an outer ring; an inner ring; and, a cylindrical roller interposed between the outer ring and the inner ring, the outer and inner rings respectively including flange portions formed in the end portions thereof so as to be opposed to the end face of the cylindrical roller, wherein, in the end face of the cylindrical roller, there is formed a circular-ring-shaped contact portion of the roller end having centers of curvature continuously existing on a circle which lies on a plane parallel to the end face of the cylindrical roller and also the center of the circle is on the rotation axis of the cylindrical roller.

公开(公告)号：US06702471B2

公开(公告)日：2004-03-09

申请号：US10287702

申请日：2002-11-05

申请人： Hironari Sakoda ,  Shinichi Natsumeda ,  Takashi Murai

发明人： Hironari Sakoda ,  Shinichi Natsumeda ,  Takashi Murai

IPC分类号： F16C3334

CPC分类号： F16C19/225 ,  F16C19/26 ,  F16C33/34 ,  F16C33/585 ,  F16C2240/40

摘要： A radial roller bearing has: an outer ring; an inner ring; and, a cylindrical roller interposed between the outer ring and the inner ring, the outer and inner rings respectively including flange portions formed in the end portions thereof so as to be opposed to the end face of the cylindrical roller, wherein, in the end face of the cylindrical roller, there is formed a circular-ring-shaped contact portion of the roller end having centers of curvature continuously existing on a circle which lies on a plane parallel to the end face of the cylindrical roller and also the center of the circle is on the rotation axis of the cylindrical roller.

摘要翻译： 一个径向滚子轴承有一个外圈; 内圈 以及插入在所述外圈和所述内圈之间的圆柱滚子，所述外圈和所述内圈分别包括形成在其端部中的凸缘部分，以与所述圆柱滚子的端面相对，其中，在所述端面中 圆筒形滚子的圆环形接触部分，其具有连续存在于位于平行于圆柱滚子的端面的平面上的圆周上的曲率中心的滚子端部，以及圆的中心 在圆筒滚子的旋转轴上。

公开(公告)号：US07104919B2

公开(公告)日：2006-09-12

申请号：US10649726

申请日：2003-08-28

申请人： Hiroshi Kato ,  Hirotoshi Aramaki ,  Shinichi Natsumeda

发明人： Hiroshi Kato ,  Hirotoshi Aramaki ,  Shinichi Natsumeda

IPC分类号： F16H15/38

CPC分类号： F16H15/38

摘要： A toroidal-type continuously variable transmission, has: first and second disks; a plurality of trunnions; a plurality of displacement shafts respectively supported on associated trunnions; a plurality of power rollers respectively interposed between the first and second disks; and, a plurality of thrust bearings respectively interposed between the power rollers and trunnions, each of the thrust bearings including an outer ring, an inner raceway formed in the outer end face of the power roller, a plurality of rolling elements, and a circular-ring-shaped retainer, wherein, in case where the density of a retainer material constituting the retainer is ρd, the elastic modulus of the retainer material is Ed, the density of rolling element materials is ρc and the elastic modulus of the rolling element materials is Ec, { ( ρ d · E d ) / ( ρ c · E c ) } 1 2 ≤ 0.6 is satisfied.

摘要翻译： 环形无级变速器具有：第一和第二盘; 多个耳轴; 分别支撑在相关联的耳轴上的多个位移轴; 分别介于所述第一和第二盘之间的多个动力辊; 以及分别插入在动力辊和耳轴之间的多个推力轴承，每个推力轴承包括外圈，形成在动力辊的外端面中的内滚道，多个滚动元件， 环形保持器，其中，在构成保持器的保持器材料的密度为r 的情况下，保持器材料的弹性模量为E ，密度 的滚动体材料的弹性模量为C C，并且滚动体材料的弹性模量为E ，