| 摘要 |
FIELD: salvage operations.SUBSTANCE: presented salvage stretcher containing web for placing patient and two rigid bars arranged along fabric along its periphery. Stretcher are equipped with four retractable single-arm levers articulated by one ends at two on each bar with possibility of folding across web. Four U-shaped brackets are rigidly connected each with free end of corresponding one-arm lever and have every horizontal roller for direct interaction with moving stairway railing and periodic interaction with web flat-topped bracket retainer in form of screw and female element, and two vertical side rollers.EFFECT: invention enables transfer of affected using escalators, for example, in conditions of subways and is aimed at expansion of operational functionality due to evacuation convenience and reliability due to absence of need to hold rescue stretcher with affected by hands or acute stages of moving stairway, as well as due to reduced dynamic loads during transportation of victim by escalator.1 cl, 5 dwg |
