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    Seismic isolator
    1.
    发明公开
    Seismic isolator 失效
    地震隔离器

    公开(公告)号：EP0139541A3

    公开(公告)日：1985-06-12

    申请号：EP84307338

    申请日：1984-10-25

    申请人： KABUSHIKI KAISHA TOSHIBA

    发明人： Fujimoto, Shigeru c/o Patent Division ,  Ohte, Satoshi c/o Patent Division ,  Kondo, Hirofumi c/o Patent Division ,  Matsumoto, Takuji c/o Patent Division ,  Fujita, Takafumi

    IPC分类号： E02D27/34 ,  E04H09/02

    CPC分类号： E02D27/34

    摘要： A seismic isolator has a sliding plate (34) fixed on the lower surface of a building (12), a connecting plate (32) underlying the sliding plate, an elastic first support (24) disposed between the connecting plate and a foundation (16) of the building to support the building, a second support (40) disposed between the connecting plate and the foundation and urged by a biasing force of a spring member (52) such that its upper end is brought into tight contact with the lower surface of the connecting plate, and a jack (56) for adjusting the biasing force of the spring member. A frictional force acting between the sliding plate and the connecting plate is larger than that between the connecting plate and the upper end of the second support.