CONVEYOR FOR PEOPLE RESCUE IN CASE OF FIRE Russian patent published in 2017 - IPC A62B1/00 

FIELD: transportation.

SUBSTANCE: to carry out fire-fighting operations, the vehicle delivers the conveyor in the folded state to the place of destination. It includes platform rotation drive 1, which rotates the conveyor in the desired direction. The first section is raised by inclusion of the third engine, which by means of wheel 21, worm-screw 18, worm gear 10 rotates axle 4 together with beams 3. Then, second engine turns wheel 20 and worm gear 13 which via a gear wheel 12 and associated worm gear 11 rotates gear wheel 8 together with driving sprocket 6, which via a chain 5 rotates driven sprocket 24 together with beam 23. Further the first engine is turned on, in the result of which by means of wheel 19, worm gear 14, wheel 16 and worm gear 17, gear wheel 9 is rotated together with driving sprocket 7, which by means of chains and sprockets 25, 26 turns driven sprocket 27 together with beam 28. When the sections reach the desired position, the engine is turned off automatically fixing them in this position by self-braking worm gear. Thereafter, compressed air is supplied into inflatable enclosures 32 which with a ribbon 30 form a tunnel protecting its people descending in it from harmful gases and flame, each section includes drive 31 of tape 30 by moving it up, and evacuation of people from the building starts.

EFFECT: increased speed of people rescue in case of fire.

8 cl, 4 dwg