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公开(公告)号:US20040031646A1
公开(公告)日:2004-02-19
申请号:US10223890
申请日:2002-08-19
发明人: Francis Huang
IPC分类号: E06C001/52
摘要: A collapsible escape ladder is provided with a hook, two supporting straps, and a plurality of rungs which are connected in series by the two supporting straps passing through a first hole penetrating each rung. A standoff member is inserted through a second through hole in each rung which is communicated with the first through hole, and passes through an opening of each supporting strap which is aligned with the second through hole inside each rung, and a screw bole is screwed into the corresponding screw hole, thereby to fasten the plurality of rungs and the two supporting straps together.
摘要翻译: 一个可折叠逃生梯具有一个钩子,两条支撑带和多个梯级,这两个梯级通过穿过每个梯级的第一个孔的两个支撑带串联连接。 通过与第一通孔连通的每个梯级中的第二通孔插入支撑构件,并且穿过与每个梯级内的第二通孔对准的每个支撑带的开口,并将螺钉旋入 相应的螺孔,从而将多个梯级和两个支撑带紧固在一起。