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    • 2. 发明申请
    • FOLDING STEPS
    • 折叠步骤
    • WO1989005390A1
    • 1989-06-15
    • PCT/GB1988001085
    • 1988-12-12
    • WILLSHER, Philip, John
    • E06C01/387
    • E06C1/387A47B97/00A47B2220/05E06C1/005
    • A folding step structure (7) comprises an elongate base (11) to be laid on or parallel to a ground surface (1); a frame (15) connected to the base; a step (14) connected to the frame such that the frame and the step member are together pivotal, about pivot points (20, 21) towards one end of the base, between a first limit position in which the step is parallel to, and closely spaced from, the ground surface at a location towards the other end of the base, in which limit position the frame is closely adjacent the base, and a second limit position in which the step is supported above the base; and a bracing strut (24) for securing the step and the frame in the second limit position.
    • 折叠台阶结构(7)包括要放置在地平面(1)上或平行于其的地面(1)上的细长基座(11); 连接到基座的框架(15) 连接到所述框架的台阶(14),使得所述框架和所述台阶构件在所述台阶平行于的第一极限位置之间绕所述基座的一端围绕枢轴点(20,21)枢转在一起,以及 在与基座的另一端相对的位置处与地面紧密地间隔开,其中框架紧邻基座的极限位置,以及第二极限位置,其中台阶支撑在基座的上方; 以及用于将台阶和框架固定在第二极限位置的支撑支柱(24)。