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    • 4. 发明公开
    • SPACER FOR RADIAL NEEDLE BEARING
    • ABSTANDSSTÜCKFÜREIN RADIALNADELLAGER
    • EP2660486A1
    • 2013-11-06
    • EP11826107.2
    • 2011-11-25
    • NSK Ltd.
    • SADAMURA, MasakiTAKEMURA, HiromichiKITAMURA, Koichi
    • F16C19/24F16C41/00
    • F16C19/48F16C19/463F16C33/37F16C33/485F16C33/6651F16C2361/61F16H2057/085
    • Provided is a spacer for a radial needle roller bearing that keeps dynamic torque of a double-row radial needle roller bearing low, while suppressing wear in areas of rubbing with adjacent members by causing there to be a film of oil having a proper amount of oil to exist in the areas of rubbing without excessive surface area. Concave sections that are recessed in a direction away from the adjacent members of the column sections 13a or rim sections 12 are formed in the outside surfaces in the radial direction and/or circumferential direction of the column sections 13a, and/or in the outside surfaces in the radial and/or axial direction of the rim sections 12, and preferably radial concave sections 22 having bottom and that are recessed toward the inside in the radial direction are formed in the outside surfaces in the radial direction of the column sections 13a.
    • 提供一种用于径向滚针轴承的间隔件,其保持双列径向滚针轴承的动态扭矩低,同时通过使得具有适当油量的油膜来抑制与相邻构件的摩擦区域的磨损 存在于没有过度表面积的摩擦区域。 在柱部13a或边缘部12的相邻部件的方向上凹陷的凹部形成在柱部13a的径向和/或圆周方向的外侧表面和/或在外侧表面 在边缘部分12的径向和/或轴向方向上,并且优选地,在柱部分13a的径向方向上的外表面中形成具有底部并且在径向方向上朝向内侧凹陷的径向凹部22。
    • 5. 发明公开
    • A bicycle hub
    • Fahrradnabe
    • EP0695886A1
    • 1996-02-07
    • EP95305411.1
    • 1995-08-02
    • SHIMANO INC.
    • Tabe, Kousi, c/o Shimano Inc.
    • F16D41/28F16C19/24
    • F16D41/067B60B27/023F16D41/28
    • A bicycle hub includes a hub body (1), an inner member (2) coupled to the hub body (1) for rotation therewith, and an outer member (10) disposed about the inner member (2) for rotation relative to the inner member (2). The outer member (10) is adapted to be coupled to a chain gear for rotation therewith. A plurality of clutch rollers (11,12) are disposed between an outer circumferential surface (2a) of the inner member (2) and an inner circumferential surface (10a) of the outer member (10). The outer circumferential surface (20) of the inner member (2) and the inner circumferential surface (10a) of the outer member (10) are shaped so that when the plurality of clutch rollers (11,12) are disposed in a first position the inner member (2) and the outer member (10) rotate together, and when the plurality of clutch rollers (11,12) are disposed in a second position the inner member (2) and the outer member (10) can rotate relative to each other.
    • 自行车轮毂包括轮毂体(1),联接到轮毂体(1)上以与其一起旋转的内部构件(2)和设置在内部构件(2)周围相对于内部构件旋转的外部构件 会员(2)。 外部构件(10)适于联接到链齿轮以与其一起旋转。 在内部构件(2)的外周面(2a)和外部构件(10)的内周面(10a)之间设置有多个离合器辊(11,12)。 内部构件(2)的外周面(20)和外部构件(10)的内周面(10a)成形为使得当多个离合器辊(11,12)被布置在第一位置 内部构件(2)和外部构件(10)一起旋转,并且当多个离合器辊(11,12)设置在第二位置时,内部构件(2)和外部构件(10)可以相对旋转 对彼此。