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    • 4. 发明申请
    • A STEP LADDER
    • 步骤梯
    • WO2016162268A1
    • 2016-10-13
    • PCT/EP2016/057131
    • 2016-03-31
    • ROBINS, Ronald Arthur Maine
    • ROBINS, Ronald Arthur Maine
    • E06C1/383
    • E06C1/383E06C1/382
    • A step ladder (10) comprises a first ladder frame (11) and a second ladder frame (12), both being of a triangular shape. The first ladder frame (11) has a pair of side rails (13, 14) connected together, at one respective end (15, 16) thereof, to form the apex (17) of the frame (11). The other ends (18, 19) of the side rails (13, 14), respectively form ground engageable legs (20, 21). Similarly the second ladder frame (12) has a pair of side rails (22, 23) connected together, at one respective end (24, 25) to form the apex (26) of the frame (12). The other ends (27, 28) of side rails (22, 23), respectively form ground engageable legs (29, 30). Each ladder frame (11, 12) has a set of steps (31, 32), respectively. Side rail (14) of the first ladder frame (11) is hingedly connected, along the length thereof, to the corresponding side rail (22) of second ladder frame (12), such that the first and second ladder frames 11, 12 are moveable from a closed position (not shown), wherein the first ladder frame (11) is superimposed on the second ladder frame (12), and a free standing, open position (as shown), wherein the step ladder (10) is supported on the ground engageable legs (20, 21, 29, 30) in a generally V-shaped orientation.
    • 阶梯(10)包括第一梯形框架(11)和第二梯形框架(12),两者都是三角形的。 第一梯架(11)具有在其一端(15,16)处连接在一起的一对侧轨(13,14),以形成框架(11)的顶点(17)。 侧轨(13,14)的另一端(18,19)分别形成可接地的腿部(20,21)。 类似地,第二梯架(12)在一个相应端(24,25)处具有连接在一起的一对侧轨(22,23),以形成框架(12)的顶点(26)。 侧轨(22,23)的另一端(27,28)分别形成可接地的腿(29,30)。 每个梯形框架(11,12)分别具有一组步骤(31,32)。 第一梯架(11)的侧轨(14)沿其长度被铰接地连接到第二梯架(12)的相应的侧轨(22),使得第一和第二梯架11,12 可移动从关闭位置(未示出),其中第一梯架(11)重叠在第二梯架(12)上,以及独立的打开位置(如图所示),其中阶梯(10)被支撑 在地面可接合的腿(20,21,29,30)处于大致V形取向。