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    • 28. 发明授权
    • Wheel bearing apparatus
    • 车轮轴承装置
    • US07942584B2
    • 2011-05-17
    • US11542560
    • 2006-10-03
    • Takayuki NorimatsuKenrou AdachiIsao Hirai
    • Takayuki NorimatsuKenrou AdachiIsao Hirai
    • F16C13/00F16C33/76F16J15/00
    • F16C33/7883F16C19/186F16C2240/12F16C2326/02
    • A wheel bearing apparatus has an outer member, an inner member, double row rolling elements, and seals. At least one seal has a slinger and an annular sealing plate. The sealing plate has a metal core, press fit into the outer member, and a sealing member, integrally vulcanized adhered to the metal core. The sealing member has first and second side lips, formed with an inclination extending radially outward, and a cylindrical inner end portion, surrounding the inner circumferential edge and a portion of the back surface of the metal core. Each tip of the first and second side lips is in sliding contact with the slinger, with a predetermined interference. The cylindrical inner end portion is arranged opposite to the slinger with a slight radial gap therebetween to form a labyrinth seal.
    • 车轮轴承装置具有外部构件,内部构件,双列滚动元件和密封件。 至少一个密封件具有抛油环和环形密封板。 密封板具有金属芯,压配合到外部构件中,以及密封构件,其一体地硫化粘附到金属芯。 密封构件具有形成有径向向外延伸的倾斜的第一和第二侧唇,以及围绕金属芯的内圆周边缘和后表面的一部分的圆柱形内端部。 第一和第二侧唇的每个尖端以预定的干涉与抛油环滑动接触。 圆柱形内端部与抛油环相对设置,在其间具有微小的径向间隙,以形成迷宫式密封。
    • 29. 发明授权
    • Ball bearing
    • 滚珠轴承
    • US07404675B2
    • 2008-07-29
    • US10747669
    • 2003-12-29
    • Fusasuke Gotoh
    • Fusasuke Gotoh
    • F16C33/38F16C33/72
    • F16C33/416F16C19/06F16C33/418F16C33/7823F16C33/7856F16C2240/12F16C2240/30F16C2240/40
    • A retainer for a ball bearing formed in a generally annular shape and having a plurality of pockets arranged in a circumferential direction, respectively, to rollably hold a plurality of balls along a pitch circle, respectively, the pockets each having an inner peripheral surface comprising a radially inner section which is located inward of the pitch circle of the balls in the radial direction of the retainer, and has an inner diameter larger than the diameter of the balls, such that the gap between the radially inner section of the inner peripheral surface of the pockets and the rolling surface of the balls gradually increases toward the opening of the pockets on the inner side in the radial direction of the retainer, and that the maximum inscribing circle of the opening of the pockets on the outer side in the radial direction of the retainer has a diameter smaller than the diameter of the balls.
    • 一种用于滚珠轴承的保持器,其形成为大致环形并且具有分别沿圆周方向布置的多个凹穴,以分别沿着节圆滚动地保持多个球,所述凹穴各自具有内周表面,所述内周表面包括 位于保持器的径向方向上位于球的节圆内侧的径向内侧部分,并且具有大于球直径的内径,使得内周面的径向内部部分之间的间隙 凹口和滚珠滚动表面沿着保持器的径向内侧的凹口的开口逐渐增大,并且凹部的开口的最大内切圆在​​径向方向的外侧 保持器的直径小于球的直径。