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    A TELESCOPIC LADDER ASSEMBLY
    2.
    发明授权
    A TELESCOPIC LADDER ASSEMBLY 有权

    公开(公告)号：EP2998501B8

    公开(公告)日：2018-12-26

    申请号：EP15188391.5

    申请日：2008-01-30

    申请人： Lampe Holding B.V.

    发明人： LAMPE, Caspar Bernard

    IPC分类号： E06C1/12 ,  E06C7/08

    CPC分类号： E06C1/125 ,  E06C7/086

    摘要： A telescopically extendable and collapsible ladder assembly having at least three ladder sections with two tubular stile members arranged parallel to each other and interconnected at one end by a ladder rung to form a U-shaped ladder section. The ladder assembly comprises latch mechanisms being associated with actuators for locking the telescopically inserted stile members relative to one another when the ladder sections are extended. Each ladder section includes a connector at each end of a rung, the connector having first and second collar segments with spaced apart opposed ends. A fastener bridges the opposed ends of the collar segments for securely coupling the collar segments around the stile member. The first collar segment extends over an angle of between 120 and 150 degrees with respect to the longitudinal axis of the rung, whereas the second collar segment extends over a complementary angle.

    COLLAPSIBLE LADDER
    9.
    发明公开
    COLLAPSIBLE LADDER 有权
    折叠梯

    公开(公告)号：EP2510179A1

    公开(公告)日：2012-10-17

    申请号：EP12701147.6

    申请日：2012-01-30

    申请人： Patentselskabet af 10. december 2010 ApS

    发明人： NIELSEN, Otto Martinus

    IPC分类号： E06C1/12

    CPC分类号： E06C1/125 ,  E06C7/04

    摘要： There is provided a collapsible ladder having several collapsible ladder sections, where each or at least part of the ladder sections comprises two hollow ladder bars arranged parallel to each other and interconnected at an upper end by a rung, and where each collapsible ladder section is telescopically inserted into a lower ladder section. Each ladder bar of a collapsible ladder section has a locking hole adjacent the lower end part of the ladder bar and an extension below the locking hole, and retaining mechanisms are provided in at least part of the rungs for locking the collapsible ladder sections relative to one another when the collapsible ladder sections are extended. Each of or part of the retaining mechanisms comprises a locking pin, which can be brought into an extended and locked position in order to engage a corresponding locking hole provided in the ladder bar of a ladder section positioned there above, and a release part for bringing the locking pin into a retracted and un-locked position. At least part of the rungs holding a retaining mechanism with a locking pin and a release part have spacers provided at the bottom, where at least part of said spacers have a release actuator with a bottom part extending below the spacer when the ladder section above the rung is locked in the extended position. The release actuator engages the release part of a retaining mechanism of the rung and is arranged to activate the release part when the bottom part of the release actuator is moved upwards through the spacer thereby bringing the locking pin into the un-locked position.

    Extendable and retractable ladder
    10.
    发明公开
    Extendable and retractable ladder 有权
    Aus- und einziehbare Leiter

    公开(公告)号：EP2157276A2

    公开(公告)日：2010-02-24

    申请号：EP09166688.3

    申请日：2009-07-29

    申请人： Core Distribution Inc.

    发明人： Kieffer, Mitchell I. ,  Caldwell, Allen A. ,  Schlueter, Nathan L. ,  Decker, Matthew J.

    IPC分类号： E06C1/12

    CPC分类号： E06C1/125 ,  E06C7/081 ,  E06C7/082 ,  E06C7/086 ,  E06C7/087 ,  E06C7/46 ,  Y10T29/49826

    摘要： An extendable/retractable ladder assembly (100) includes a first stile (104) and a second stile (106) and a plurality of rungs (118,120,150) extending therebetween. Each stile may comprise a plurality of columns (108,110,112,114) disposed in a nested arrangement for relative axial movement in a telescopic fashion. A connector assembly (116) connects the rungs to respective columns in the first and second stiles. The ladder has improved manufacturability since connector assemblies may be assembled before connecting the rungs to respective columns. The standing surface of the rungs may be angled such that it is rotated towards horizontal when the ladder assembly is leaned against a wall. A latch assembly may be used to selectively lock relative axial movement between adjacent columns. The latch assembly includes a locking pin assembly comprised of a central post and an outer metal sleeve. An air damper may also be used to control airflow through the columns.

    摘要翻译： 可延伸/伸缩的梯子组件（100）包括在其间延伸的第一平台（104）和第二平台（106）和多个梯级（118,120,150）。 每个平台可以包括以嵌套布置设置的多个列（108,110,112,114），以便以可伸缩的方式进行相对的轴向移动。 连接器组件（116）将梯级连接到第一和第二平台中的各个列。 梯子已经改善了可制造性，因为连接器组件可以在将梯级连接到相应的列之前进行组装。 梯级的站立表面可以是倾斜的，使得当梯子组件靠在墙壁上时，其朝着水平方向旋转。 闩锁组件可用于选择性地锁定相邻列之间的相对轴向运动。 闩锁组件包括由中心柱和外部金属套筒组成的锁定销组件。 还可以使用空气阻尼器来控制通过柱的气流。