To provide a seal ring having excellent moldability and sealing performance, a cross shaft joint, and a steering device.SOLUTION: A seal ring has a circular core metal, and an elastic portion fixed to the core metal, the elastic portion has a bearing-side seal lip kept into contact with a radial bearing over the whole periphery, the core metal has a cylindrical portion for making a shaft portion pass through a radial inner side of the shaft portion, and an inclined portion extended to a radial outer side over the whole periphery from an end portion of the cylindrical portion at a step face side in a central axial direction of the shaft portion, the inclined portion is inclined to approach the radial bearing side in the central axial direction of the shaft portion in accordance with approaching the radial outer side of the shaft portion, the inclined portion has a penetration portion penetrated in the central axial direction of the shaft portion, the elastic portion is fixed to the radial bearing side and the step face side of the inclined portion in the central axial direction of the shaft portion, and elastic portions at the radial bearing side and the step face side are integrally formed through the penetration portion.SELECTED DRAWING: Figure 5

    【課題】 成型性およびシール性に優れたシールリング、十字軸継手及びステアリング装置を提供する。【解決手段】 円輪状の芯金と、芯金に固着した弾性部とを有し、弾性部は、全周にわたってラジアル軸受に接触する軸受側のシールリップを有し、芯金は、軸部の径方向内側に軸部を通す円筒部と、軸部の中心軸線方向において段差面側の円筒部の端部から、全周にわたって径方向外側に延びる傾斜部とを有し、傾斜部は、軸部の径方向外側に向かうにつれて、軸部の中心軸線方向でラジアル軸受側に近付くように傾斜しており、傾斜部は、軸部の中心軸線方向に貫通した貫通部を有し、弾性部は、軸部の中心軸線方向において傾斜部のラジアル軸受側と段差面側に固着しており、ラジアル軸受側と段差面側の弾性部が、貫通部を通じて一体に形成されているものとする。【選択図】 図5


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    Titel :

    SEAL RING, CROSS SHAFT JOINT, AND STEERING DEVICE


    Autor / Urheber :

    Medientyp :

    Patent


    Format :

    Elektronische Ressource



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