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    • 3. 发明公开
    • Telescopic hang-on ladder
    • AusziehbareHängeleiter
    • EP2383418A2
    • 2011-11-02
    • EP11164260.9
    • 2011-04-29
    • Lapuan Piristeel OY
    • Piri, Pentti
    • E06C1/12
    • E06C1/12E06C7/082E06C9/08E06C9/14
    • A telescopic hang-on ladder including a set of ladder elements ( 1 1, 1 2 , 1 3 , 1 4 ...) coupled to each other so that the sequential ladder elements are telescopically movable relative to each other in order to extend and collapse the ladder. Each ladder element includes two parallel stringers (2 1 , 2 2 ) spaced apart from each other. The cross-sectional profile of a stringer comprises a planar web (3), and both long edges of the web comprise guide members, wherein the guide members of the stringer of each upper ladder element constitute a slide guide for the stringer of the adjacent lower ladder element. A step (4) extends between the stringers substantially perpendicularly to the lengthwise direction of the stringers (2 1 , 2 2 ) and is mounted at each end to the web (3) of the stringer. The stringers (2 1 , 2 2 ) of each ladder element are substantially fitted, for the most of their part, within the corresponding stringers of the adjacent upper ladder element. Both long edges of the web (3) comprise a planar flange (5, 6) bent at an acute angle relative to the plane of the web, wherein the flanges together with the web constitute said guide members, so that each stringer of the upper ladder element constitutes a dovetail guide for the stringer of the lower ladder element fitted within said stringer.
    • 一种伸缩式悬挂式梯子,包括一组彼此联接的梯形元件(11,1,21,31,4 ...),使得顺序的梯形元件相对于彼此可伸缩地移动,以便延伸和 折叠梯子 每个梯形元件包括彼此间隔开的两个平行的桁条(21,22)。 纵梁的横截面轮廓包括平面腹板(3),腹板的两个长边缘均包括导向构件,其中每个上梯形元件的纵梁的引导构件构成相邻下部的纵梁的滑动导轨 梯子元素。 台阶(4)在大致垂直于桁条(211)的长度方向的桁条之间延伸,并且在每一端安装在桁条的幅材(3)上。 每个梯形元件的桁条(2 1,2 2)大部分大致安装在相邻的上梯形元件的相应桁条内。 腹板(3)的两个长边缘都包括相对于腹板的平面弯曲成锐角的平面凸缘(5,6),其中凸缘与腹板一起构成所述引导构件,使得上部的每个桁条 梯形元件构成安装在所述桁条内的下梯形元件的桁条的燕尾形引导件。
    • 5. 发明公开
    • Telescopic hang-on ladder
    • 伸缩绳梯
    • EP2383418A3
    • 2015-10-14
    • EP11164260.9
    • 2011-04-29
    • Lapuan Piristeel OY
    • Piri, Pentti
    • E06C1/12E06C9/08E06C9/14E06C7/08
    • E06C1/12E06C7/082E06C9/08E06C9/14
    • A telescopic hang-on ladder including a set of ladder elements ( 1 1, 1 2 , 1 3 , 1 4 ...) coupled to each other so that the sequential ladder elements are telescopically movable relative to each other in order to extend and collapse the ladder. Each ladder element includes two parallel stringers (2 1 , 2 2 ) spaced apart from each other. The cross-sectional profile of a stringer comprises a planar web (3), and both long edges of the web comprise guide members, wherein the guide members of the stringer of each upper ladder element constitute a slide guide for the stringer of the adjacent lower ladder element. A step (4) extends between the stringers substantially perpendicularly to the lengthwise direction of the stringers (2 1 , 2 2 ) and is mounted at each end to the web (3) of the stringer. The stringers (2 1 , 2 2 ) of each ladder element are substantially fitted, for the most of their part, within the corresponding stringers of the adjacent upper ladder element. Both long edges of the web (3) comprise a planar flange (5, 6) bent at an acute angle relative to the plane of the web, wherein the flanges together with the web constitute said guide members, so that each stringer of the upper ladder element constitutes a dovetail guide for the stringer of the lower ladder element fitted within said stringer.