公开(公告)号：US5605203A

公开(公告)日：1997-02-25

申请号：US520779

申请日：1995-08-30

申请人： Mu-Yi Chang

发明人： Mu-Yi Chang

IPC分类号： A62B5/00 ,  E06C9/14 ,  E06C9/00 ,  E06C1/00 ,  E06C1/383

CPC分类号： E06C9/14 ,  A62B5/00

摘要： An automatic foldable emergency ladder system for use in a building having a smoke detecting device includes an inverted L-shaped housing having a horizontal portion and a vertical portion and being securely mounted to a perimeter wall of a roof of the building; a control unit mounted in the horizontal portion of the housing and having at least one input port for receiving a signal from the smoke detecting device; an electrically powered driving device mounted in the horizontal portion of the housing and electrically connected to the control unit for receiving a signal therefrom and being activated/deactivated therefor; a spool unit rotatably mounted in the housing and driven by the driving device; a foldable ladder securely coupled to the vertical portion of the housing at one end thereof and having at least one wire which is secured to the spool means at one end thereof and an opposite end thereof is coupled to a free end of the foldable ladder such that the ladder can be folded/extended by the spool unit; and a display device electrically connected to the control unit for displaying the status of the system.

摘要翻译： 一种用于具有烟雾检测装置的建筑物中的自动折叠式应急梯系统包括：具有水平部分和垂直部分的倒L形壳体，并牢固地安装在建筑物屋顶的周围壁上; 控制单元，其安装在所述壳体的水平部分中，并且具有用于接收来自所述烟雾检测装置的信号的至少一个输入端口; 电动驱动装置，其安装在壳体的水平部分中并电连接到控制单元，用于从其接收信号并由此激活/去激活; 卷轴单元，其可旋转地安装在壳体中并由驱动装置驱动; 可折叠的梯子在其一端处牢固地联接到壳体的垂直部分并且具有至少一个线，其一端固定到卷轴装置，并且其相对端联接到可折叠梯的自由端，使得 梯子可以通过卷轴单元折叠/延伸; 以及电连接到所述控制单元以用于显示所述系统的状态的显示装置。