发明名称 Fire escape ladder with integral air cushion
摘要 A portable fire escape ladder with an inflatable air cushion is provided. The ladder has an upper window sill engaging portion, and a plurality of frame members interconnected with rungs. The air bag is inflated by propellant from a trigger operable propellant source, for decelerating a person prior to alighting on the ground.
申请公布号 US5203427(A) 申请公布日期 1993.04.20
申请号 US19920883677 申请日期 1992.05.15
申请人 WILLIAMS, SR., ANTHONY E.;WILLIAMS, ALONDA O. 发明人 WILLIAMS, SR., ANTHONY E.;WILLIAMS, ALONDA O.
分类号 A62B1/20;E06C1/56;E06C1/58 主分类号 A62B1/20
代理机构 代理人
主权项
地址