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公开(公告)号：EP2370656B1
公开(公告)日：2013-10-09
申请号：EP09764509.7
申请日：2009-12-02
申请人： Telesteps AB
发明人： WINBLADH, Åke
IPC分类号： E06C1/12
CPC分类号： E06C1/125
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公开(公告)号：EP2034127A3
公开(公告)日：2012-10-10
申请号：EP08002727.9
申请日：2008-02-14
申请人： Jian, Shikun
发明人： Jian, Shikun
摘要： An extendable and retractable ladder which comprises a plurality of ladder sections, each of which is stackable upon and nestable within the adjacent ladder section. A locking means is disposed between adjacent ladder sections to lock relative installation positions of the ladder sections. The locking means is disposed in a middle portion of the rung of the ladder section and it comprises a left and a right locking rods which move in synchrony with each other, a spring which connects the left and the right locking rods, and a left and a right controlling handles which are connected to the left and the right locking rods respectively. Locking holes are disposed on adjacent ladder sections and free ends of the left and the right locking rods at corresponding positions. As only one single hand is required to simultaneously pull the left and the right controlling handles to unlock the ladder sections, the present invention is more convenient to use.
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公开(公告)号：EP2217787B1
公开(公告)日：2011-06-01
申请号：EP09813867.0
申请日：2009-11-20
申请人： Martinus Nielsen APS
IPC分类号： E06C1/12
CPC分类号： E06C1/125
摘要： A ladder having several collapsible ladder sections (100), each comprising two hollow ladder bars (102, 103) arranged parallel to each other and interconnected by a rung (104), 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 (111 ) and an extension (112) below the locking hole. Retaining mechanisms (106) are provided in the rungs for locking the collapsible ladder sections relative to one another, and the retaining mechanisms comprise a locking pin (108), which can engage a corresponding locking hole provided in the ladder bar of a ladder section positioned there above. At least part of the collapsible ladder sections have a non-locking slot or groove (101 ) formed in the extensions of the ladder bars, where the slot reaches from a distance below the locking hole of the ladder bar to the bottom of the ladder bar. A ladder bar slot or groove may be positioned in such a way that a locking pin of a below lying ladder bar can pass freely in the slot of an above lying ladder section that is fully collapsed.
摘要翻译： 梯子具有几个可折叠的梯形部分（100），每个梯子部分包括两个彼此平行布置并通过梯级（104）互连的空心梯杆（102,103），其中每个可折叠的梯形部分可伸缩地插入下梯形部分。 可折叠梯子部分的每个梯杆在锁定孔下方具有锁定孔（111）和延伸部（112）。 保持机构（106）设置在梯级中，用于相对于彼此锁定可折叠的梯形部分，并且保持机构包括锁定销（108），该锁定销可与设置在梯形部分的梯杆中的相应的锁定孔 在那里 至少部分可折叠的梯形部分具有形成在梯杆的延伸部中的非锁定槽或凹槽（101），其中槽从梯杆下方延伸到梯杆的底部。 梯杆槽或槽可以以如下方式定位，使得下面躺下的梯杆的锁定销可以在完全折叠的上述躺下的梯形部分的槽中自由地通过。
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公开(公告)号：EP2322752A1
公开(公告)日：2011-05-18
申请号：EP09806287.0
申请日：2009-07-14
发明人： WANG, Wanxing
摘要： The extending ladder comprises a left stile (1), right stile (2) which disposed oppositely and a plurality of rungs (3) which extends between the left (1) stile and the right stile (2), the left stile (1) and right stile (2) are respectively formed of telescopically collapsible left columns (11) and right columns (12) which are disposed orderly in a nested arrangement for relative lengthwise movement in a telescopic fashion, a left latch mechanism (4) and right latch (5) are disposed in each rung (3). A left button (6) and a right button (7) are disposed closely with each other in the middle of the corresponding rung (3), so as to make two buttons be operated conveniently by single hand to make the rung (3) released from the corresponding column.
摘要翻译： 延伸的梯子包括相对设置的左立柱（1），右立柱（2）和在左（1）立柱和右立柱（2）之间延伸的多个梯级（3），左立柱（1） 和右立柱（2）分别由可伸缩的可折叠的左列（11）和右列（12）形成，所述左列（11）和右列（12）以可伸缩的方式有序地布置成嵌套布置以进行相对的纵向移动，左闩锁机构（4）和右闩锁 （5）设置在每个梯级（3）中。 左按钮（6）和右按钮（7）在对应的梯级（3）的中间彼此紧密地设置，以便通过单手使两个按钮方便地操作，使得梯级（3）释放 从相应的列。
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公开(公告)号：EP2217787A4
公开(公告)日：2010-11-24
申请号：EP09813867
申请日：2009-11-20
申请人： MARTINUS NIELSEN APS
IPC分类号： E06C1/12
CPC分类号： E06C1/125
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公开(公告)号：EP2217787A1
公开(公告)日：2010-08-18
申请号：EP09813867.0
申请日：2009-11-20
申请人： Martinus Nielsen APS
IPC分类号： E06C1/12
CPC分类号： E06C1/125
摘要： A ladder having several collapsible ladder sections (100), each comprising two hollow ladder bars (102, 103) arranged parallel to each other and interconnected by a rung (104), 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 (111 ) and an extension (112) below the locking hole. Retaining mechanisms (106) are provided in the rungs for locking the collapsible ladder sections relative to one another, and the retaining mechanisms comprise a locking pin (108), which can engage a corresponding locking hole provided in the ladder bar of a ladder section positioned there above. At least part of the collapsible ladder sections have a non-locking slot or groove (101 ) formed in the extensions of the ladder bars, where the slot reaches from a distance below the locking hole of the ladder bar to the bottom of the ladder bar. A ladder bar slot or groove may be positioned in such a way that a locking pin of a below lying ladder bar can pass freely in the slot of an above lying ladder section that is fully collapsed.
摘要翻译： 一种具有多个可折叠梯子部分（100）的梯子，每个梯子部分包括彼此平行布置并通过梯级（104）互连的两个空心梯子杆（102,103），其中每个可折叠梯子部分可伸缩地插入下梯子部分中。 可折叠梯子部分的每个梯杆在锁定孔下方具有锁定孔（111）和延伸部（112）。 在梯级中设置有保持机构（106），用于将可折叠梯子部分彼此锁定，并且保持机构包括锁定销（108），该锁定销可以接合设置在位于梯子部分的梯子条中的相应锁定孔 在那里。 至少部分可折叠梯子部分具有形成在梯子条的延伸部中的非锁定槽或槽（101），其中槽从梯条的锁定孔下方距离到达梯条的底部 。 梯子条槽或凹槽可以这样定位，使得位于下面的梯子条的锁定销可以自由地穿过完全折叠的上面躺着的梯子部分的槽中。
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公开(公告)号：EP1816312B1
公开(公告)日：2010-04-14
申请号：EP06026778.8
申请日：2006-12-22
申请人： Chen, Mei-Hua
发明人： Chen, Mei-Hua
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89.发明公开AN EXTENSION LADDER AND ITS USE IN A STRAIGHT COMBINATION LADDER, A PLATFORM LADDER OR A STEPLADDER 审中-公开AUSZIEHLEITER UND INREVENDUNG IN EINER GERADEN KOMBILEITER，PLATTFORMLEITER ODER TRITTLEITER
公开(公告)号：EP2169175A1
公开(公告)日：2010-03-31
申请号：EP07764155.3
申请日：2007-07-03
申请人： Wang, Kecheng
发明人： Wang, Kecheng
摘要： An extension ladder (100), including multiple ladder sections vertically fit to each other, each ladder section including a pair of columns (101) dispose on both sides thereof and a rung (102) connected thereto, diameters of the columns (101) on both sides increasing from the top to the bottom, a pair of pin holes being disposed on the column (101) and engaged to a latch gear (104) in the rung (102). The latch gear (104) includes a pair of drive wheels (109, 111), a pair of transmission parts (110,112), and a pair of pins (105) disposed on both ends thereof. A self-locking part (106) is disposed on the pin (105). Rotation of the drive wheels (109, 111) drives the pins (105) to move axially via the transmission parts (110, 112). Multiple extension ladders can form a vertical ladder, a step ladder, or a platform ladder.
摘要翻译： 一种延伸梯（100），包括彼此垂直配合的多个梯形部分，每个梯部分包括一对在其两侧设置的柱（101）和与其连接的梯级（102），柱（101）的直径在 两侧从顶部增加到底部，一对销孔设置在所述柱（101）上并与所述梯级（102）中的锁定齿轮（104）啮合。 闩锁齿轮（104）包括一对驱动轮（109,111），一对传动部件（110,112）和一对销钉（105），其设置在其两端。 自锁部分（106）设置在销（105）上。 驱动轮（109,111）的旋转驱动销（105）经由传动部件（110,112）轴向移动。 多个延伸梯可以形成一个垂直的梯子，一个梯子或一个平台梯子。
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公开(公告)号：EP2102429A1
公开(公告)日：2009-09-23
申请号：EP05733732.1
申请日：2005-04-15
申请人： Telesteps AB
IPC分类号： E04F11/06
CPC分类号： E06C1/125 , E04F11/062
摘要： A loft ladder assembly 10 is described which comprises a telescopically collapsible ladder 12 in combination with a frame 14 for mounting the ladder 12 within a hatch opening. The frame 14 comprises a mounting bracket 14a to be secured in use to the hatch opening, to which bracket 14a the uppermost section of the ladder 12 is pivotably connected, and a carriage 14b pivotably connected to the mounting bracket 14a for supporting the weight of the ladder 12 in its stowage position and preventing the ladder 12 from extending unintentionally.
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