VEHICLE FOR INVALIDS Russian patent published in 2004 - IPC

FIELD: transport engineering. SUBSTANCE: invention relates to chairs for invalids providing movement up and down the stairs by means of crosses. Proposed chair consists of two semiframes 1, 22 installed for relative turning around main horizontal axle 10 by means of levers 27 connected to one of semiframes at point of location of main horizontal axle 10. With semiframe 1, 22 being turned, cross-like support members 23 thrust against surface, and they are set into operation by worm reduction gears found of their axles. Driving of worm reduction gears is provided by manually rotating ring-shaped members 24 on wheels 21 through friction wheels 14 by means of transmission. EFFECT: improved safety, simplified design. 4 cl, 5 dwg