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 |
|