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热词
    • 3. 发明授权
    • Foldable and lockable structural member fabricated from recycled plastic
    • 由可回收塑料制成的可折叠和可锁定的结构件
    • US5152119A
    • 1992-10-06
    • US636890
    • 1991-01-02
    • Leslie Miller
    • Leslie Miller
    • E04C3/36E04F17/08
    • E04F17/08E04C3/36
    • A structural member is an elongated, generally rectangular panel having at least 2 substantially parallel fold lines extending the length of the panel parallel its long sides, preferably defining 3 subpanels. When the panel is folded along the fold lines, preferably by hand, the interior angles at each fold occur on the same surface of the panel, are approximately 90 degrees, and the member has a generally C-shaped cross-section when folded. At least one male/female lock holds each of the panels at a fixed angle relative to the adjacent panel, each male/female lock having a male component affixed to one of the subpanels and a mating female component affixed to the adjacent subpanel such that when said one subpanel is folded with respect to the adjacent subpanel, the male component inserts into the female component and is retained therein.
    • 结构构件是细长的,大致矩形的面板,其具有平行于其长边延伸的面板的至少两个基本平行的折叠线,优选限定3个子面板。 当面板沿着折叠线折叠时,优选地通过手工折叠,每个折叠处的内角发生在面板的相同表面上,大约为90度,并且当折叠时该构件具有大致C形的横截面。 至少一个阳/阴锁将每个面板相对于相邻面板以固定角度保持,每个阳/阴锁具有固定到一个子面板上的阳部件和固定到相邻子面板上的配合阴部件,使得当 所述一个子面板相对于相邻的子面板折叠,阳部件插入到阴部件中并保持在其中。