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    SEAL ASSEMBLY FOR TRACK PIN JOINT ASSEMBLY
    1.
    发明公开
    SEAL ASSEMBLY FOR TRACK PIN JOINT ASSEMBLY 有权
    密封组件用于轨道PEN联合大会

    公开(公告)号：EP2552766A2

    公开(公告)日：2013-02-06

    申请号：EP11763434.5

    申请日：2011-03-31

    申请人： Caterpillar Inc.

    发明人： JOHANNSEN, Eric J. ,  RECKER, Roger L. ,  SEBRIGHT, Jason L. ,  KIESEL, Mark J. ,  LIANG, Guanghui ,  DIEKEVERS, Mark

    IPC分类号： B62D55/21 ,  B62D55/18 ,  B62D55/08

    CPC分类号： F16J15/344 ,  B62D55/0887 ,  B62D55/21 ,  E02F9/006 ,  E02F9/02 ,  Y10T403/32606 ,  Y10T403/52

    摘要： A seal assembly can be incorporated into a track pin joint assembly including a pin defining a longitudinal axis, a first member and a second member both coaxial with the pin about the longitudinal axis. The first member is pivotable about the longitudinal axis with respect to the second member and includes a load ring engagement surface defining a seal cavity disposed in proximal relationship to the second member. A seal assembly including a seal ring and a load ring is disposed in the seal cavity and sealingly engages the first and second members. An axial segment of a seal ring engagement surface of the load ring extends over at least half the length, measured along the longitudinal axis, between a radial segment of the seal ring engagement surface and a radial segment of a first member engagement surface of the load ring. At least one of a load ring engagement surface of the first member and an axial segment of the first member engagement surface of the load ring includes a convex rounded portion.