| 摘要 |
FIELD: life-saving appliances for evacuation from high levels; life-saving equipment. ^ SUBSTANCE: according to the first version, proposed device has pack with parachute system, gas source, swivel nozzle, protective suit and breathing mask. According to the second version, proposed device has guide mast, bearing struts, winches, block systems and flexible hose. Mast is collapsible in construction and its upper section is provided with wheels for motion over vertical surface. Rescue hose is made in form of envelope connected with resilient folding framework. Secured inside hose along its length are axial rope and smooth spiral-shaped track for descent of people and items. According to the third version, proposed device includes resilient cloth, mechanical shock absorbers and/or flexible inflatable envelopes, gas sources and semi-automatic supercharging unit. ^ EFFECT: reduced mass; enhanced reliability and safety. ^ 10 cl, 21 dwg |
