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    Dockboard
    3.
    发明授权
    Dockboard 失效

    公开(公告)号：US3596303A

    公开(公告)日：1971-08-03

    申请号：US3596303D

    申请日：1966-09-19

    申请人： KELLEY CO INC

    发明人： KELLEY GARRETT P ,  STEINBERG WILLIAM C

    IPC分类号： B65G69/28 ,  B65G11/00

    CPC分类号： B65G69/2858

    摘要： A dockboard pivotally connected intermediate its ends to guides which is movable in fixed guides on the face of the dock whereby the dockboard may be lifted from a substantially vertical stored position below dock level to a raised position, rotated into substantially horizontal cross traffic position, and then lowered to span the gap between the dock and the bed of a carrier.