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    • 5. 发明申请
    • Molded sectioned riser and locking cover
    • 模制分段提升和锁定盖
    • US20070000184A1
    • 2007-01-04
    • US11515626
    • 2006-09-05
    • Gary Koteskey
    • Gary Koteskey
    • E02D29/14
    • E02D29/12E02D29/121E02D29/124E02D29/127E02D29/1427
    • A riser formed from a plurality of curved cylindrical segments with vertical side edges having mating vertically tapered projections and slots brought into interlocking engagement to pull confronting surfaces together as the tapered elements become increasingly mechanically engaged. The segments are assembled by a sliding engagement of the protruding mating element of one segment into the vertically tapered slot of an adjacent segment. When sufficient segments are joined together horizontally to complete a ring except for a last adjacent pair of vertical side edges, the ring is warped to align the protruding mating element of the last adjacent pair of vertical side edges with an opposite end of the adjacent tapered slot. Thus aligned, the final protruding mating element and tapered slot are then slipped together while un-warping the joined segments forming the remainder of the ring until the top and bottom ends of all the segments are aligned. A cover has a flexible spider on a lower surface that can be locked into a groove or other feature on an inside surface of the curved riser segments.
    • 由具有垂直侧边缘的多个弯曲圆柱形段形成的立管具有配合的垂直锥形突起和槽,当锥形元件变得越来越机械接合时,互相啮合以将相对表面拉到一起。 通过一个段的突出配合元件与相邻段的垂直锥形槽的滑动接合来组装段。 当足够的片段水平连接在一起以完成除了最后相邻的一对垂直侧边缘之外的环时,环被弯曲以将最后相邻的一对垂直侧边缘的突出配合元件与相邻锥形槽的相对端对准 。 因此,如此对准,然后将最终的突出配合元件和锥形槽滑动在一起,同时使形成环的其余部分的连接段变形,直到所有段的顶端和底端对准。 盖子在下表面上具有柔性的蜘蛛,其可以锁定在弯曲的提升板段的内表面上的凹槽或其它特征中。