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    • 46. 发明授权
    • Foldable display rack
    • 可折叠展示架
    • US4655354A
    • 1987-04-07
    • US803096
    • 1985-11-27
    • Maurice Cohen
    • Maurice Cohen
    • A47F5/10
    • A47F5/108
    • A preassembled, foldable display rack that is movable to and from an open display position and a folded closed position without the assembly or disassembly of any of the component parts thereof, the display rack including a plurality of vertical support members that are pivotally interconnected by cross members, the cross members to which the vertical support members are secured defining a parallelogram and being pivotally movable from the folded closed position to the open display position, each of the cross members having a flexible pad located in an end thereof that is engageable with an adjacent cross member so that when the cross members are pivotally moved from the folded closed position to the open display position, the flexible pads frictionally engage the adjacent cross members to lock the cross members and support members to which they are joined in the open display position.
    • 一种预组装的可折叠展示架,其可移动到打开的展示位置和折叠的关闭位置,而不会组装或拆卸其任何组成部件,显示架包括多个垂直支撑构件,其通过十字架枢转地互连 构件,垂直支撑构件被固定的横向构件限定平行四边形并且可从折叠的关闭位置枢转地移动到打开的显示位置,每个横向构件具有位于其端部中的柔性垫,其可与 使得当横向构件从折叠的关闭位置枢转地移动到打开的显示位置时,柔性垫摩擦地接合相邻的横向构件,以将开口显示位置处的它们所连接的横向构件和支撑构件锁定 。
    • 50. 发明授权
    • Automatic liquid barrier system
    • 自动液体屏障系统
    • US07497644B1
    • 2009-03-03
    • US11809085
    • 2007-05-31
    • Maurice Cohen
    • Maurice Cohen
    • E02B7/50
    • E06B9/04E06B2009/007
    • A liquid barrier system automatically deploys when a predetermined liquid level is attained, thereby preventing water or other liquid from entering a structure through an accessway, and automatically retracts when the liquid level recedes. The liquid barrier system includes a float housing assembly installed substantially below grade and adjacent an accessway to a structure. The system also includes a float assembly having a float which is positionable within a float housing relative to a liquid level in the housing. A barrier assembly includes a barrier interconnected to the float, and one or more seal members disposed along a periphery of an accessway. In a high water event, the float rises with the liquid level in the float housing thus causing the barrier to automatically deploy into a sealing engagement with the seal member(s) along the periphery of the accessway, thereby preventing the entry of fluid into the structure.
    • 当达到预定的液位时,液体屏障系统自动展开,从而防止水或其他液体通过通道进入结构,并且当液面降低时自动缩回。 液体屏障系统包括浮动壳体组件,该浮体壳体组件基本上安装在等级附近并且邻近结构的通道。 该系统还包括具有浮子的浮子组件,该浮子可相对于壳体中的液面定位在浮动壳体内。 隔离组件包括与浮子相互连接的障碍物,以及沿着通道的周边设置的一个或多个密封构件。 在高水位事件中,浮子随着浮子壳体中的液面升高,从而使挡板自动地部署成与密封构件沿着通道的周边的密封接合,由此防止流体进入 结构体。