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1. 发明申请

WO2016090041A1 FOLDABLE LADDER 审中-公开
标题翻译：可折叠梯
公开(公告)号：WO2016090041A1
公开(公告)日：2016-06-09
申请号：PCT/US2015/063518
申请日：2015-12-02
申请人： CORE DISTRIBUTION, INC.
发明人： KIEFFER, Mitchell I. , CALDWELL, Allen A. , SCHLUETER, Nathan L.
IPC分类号： E06C1/12 , E06C1/32 , E06C7/42
CPC分类号： E06C1/32 , E06C1/125 , E06C7/42
摘要： A foldable ladder has a first ladder portion and a second ladder portion hingedly attached to the first ladder portion by a pair of hinge mechanisms. Each hinge mechanism adapted to lock the first and second ladder portions such that the first ladder portion and the second ladder portion form an angle therebetween. The hinge mechanism has a shifting mechanism and a ladder angle selector coupled thereto to allow manual selection of the angle between the first and second ladder portions, and a locking pin to lock the first and second ladder portions at an angular position.
摘要翻译：折叠式梯子具有通过一对铰链机构将第一梯子部分和第二梯子部分铰接地附接到第一梯子部分。每个铰链机构适于锁定第一和第二梯子部分，使得第一梯子部分和第二梯子部分之间形成一个角度。铰链机构具有移动机构和与其连接的梯形角选择器，以允许手动选择第一和第二梯子部分之间的角度，以及锁定销将第一和第二梯子部分锁定在角位置。

2. 发明申请

WO2019094329A1 LOCKING ASSEMBLY FOR A TELESCOPING LADDER 审中-公开
公开(公告)号：WO2019094329A1
公开(公告)日：2019-05-16
申请号：PCT/US2018/059199
申请日：2018-11-05
申请人： CORE DISTRIBUTION, INC.
发明人： KIEFFER, Mitchell I. , SCHLUETER, Nathan L.
IPC分类号： E06C1/12 , E06C7/08
CPC分类号： E06C7/50 , E06C1/125 , E06C7/08 , E06C7/086 , E06C7/087 , F16B7/105
摘要： Embodiments include a telescoping ladder with a plurality of columns and rungs. The ladder can have a plurality of locking assemblies for locking adjacent columns to a rung thereby restricting relative sliding motion between adjacent columns. The locking assembly can have a locking button positionable against the rung front surface and rotatable with respect thereto between a locked position and an unlocked position. The locking assembly can have a locking pin positioned within the rung and slidable between an extended position and a retracted position along a locking pin axis generally perpendicular to the rotational axis. The locking assembly can have a connector pin extending in a direction parallel to the rotational axis, for connecting the locking button to the locking pin such that rotation of the locking button about the rotational axis slides the locking pin about the locking pin axis.

3. 发明申请

WO2017151558A1 TELESCOPING LADDER WITH A CASCADING COLLAPSE MECHANISM 审中-公开
标题翻译：伸缩梯子的级联倒塌机构
公开(公告)号：WO2017151558A1
公开(公告)日：2017-09-08
申请号：PCT/US2017/019849
申请日：2017-02-28
申请人： CORE DISTRIBUTION, INC.
发明人： SCHLUETER, Nathan L. , KIEFFER, Mitchell I.
IPC分类号： E06C1/12 , E06C7/00 , E06C7/08
摘要： A telescoping ladder is provided, that includes a plurality of columns disposed in a nested arrangement for relative axial movement in a telescopic fashion between a fully-extended position and a collapsed position. The columns are connected to rungs by way of connector assemblies. Each connector assembly has a locking pin moveable between an extended position or a retracted position for extending into or retracting out of openings of adjacent columns to selectively lock or release the columns respectively. The telescoping ladder includes a plurality of actuators that permit collapsing the ladder in a sequential manner, the sequence involving collapsing the columns on a lower portion of the ladder prior to collapsing columns immediately thereabove.
摘要翻译：提供一种伸缩式梯子，其包括以嵌套布置设置的多个柱，以伸缩方式在完全伸出位置和收缩位置之间进行相对轴向移动。列通过连接器组件连接到横档。每个连接器组件具有锁定销，所述锁定销可在延伸位置或缩回位置之间移动，以延伸进入相邻柱的开口或从相邻柱的开口缩回以分别选择性地锁定或释放柱。伸缩式梯子包括多个致动器，所述致动器允许以顺序方式折叠梯子，所述顺序涉及在立即在其上方塌缩柱之前使梯子的下部上的柱倒塌。

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