发明名称 HIDDEN FIRE ESCAPE LADDER SYSTEM WITH SPRING-LOADED STANDOFFS
摘要 Apparatus for escaping from a building through a window, comprises a plurality of rungs having first and second ends. A first side support is coupled to the first ends of the rungs. The first side support has an upper end. A second side support is coupled to the second ends of the rungs. The first side support has an upper end. A securement assembly is coupled to the wall of a building adjacent a window for providing egress. A first securement secures the upper end of the first side support to the securement member. A second securement secures the upper end of the second side support to the securement member. A plurality of first arms are each positioned proximate the first ends of a respective one of the rungs and are each moveably mounted to go from a retracted position to an extended position. A plurality of first arms are each positioned proximate the first ends of a respective one of the rungs and are each moveably mounted to go from a retracted position to an extended position.
申请公布号 US2012228057(A1) 申请公布日期 2012.09.13
申请号 US201113045796 申请日期 2011.03.11
申请人 BARBARA JAMES 发明人 BARBARA JAMES
分类号 E06C9/14 主分类号 E06C9/14
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