FIELD: evacuation equipment. SUBSTANCE: apparatus has ladder 3,4,5 wound onto roll 2, which may be mounted on roof by means of projecting brackets 11. Ladder drive has cable 6 embracing roll 2 and roll 1 positioned adjacent to foundation. Such construction allows evacuation to be performed from any height of building at any fire zone location and weather conditions. EFFECT: increased efficiency, wider operational capabilities and enhanced reliability in operation. 3 cl, 1 dwg
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Authors
Dates
1997-11-27—Published
1996-04-25—Filed