发明名称 Fire escape net
摘要 A fire escape device including a collapsible frame from which is suspended a large receptacle, preferably of net material, and support means for the frame to support the frame and receptacle in a collapsed position within the interior of a building, and permitting protraction of the frame and receptacle to an extended and open position outside the exterior wall of the building for receiving persons falling from an opening, such as a window, vertically above the receptacle.
申请公布号 US4127185(A) 申请公布日期 1978.11.28
申请号 US19770800719 申请日期 1977.05.26
申请人 RITTER, JR., HENRY 发明人 RITTER, JR., HENRY
分类号 A62B1/22;(IPC1-7):A62B1/22 主分类号 A62B1/22
代理机构 代理人
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