CHAIR-CARRIAGE Russian patent published in 1998 - IPC

FIELD: medical technics. SUBSTANCE: chair-carriage contains side frames 1 and 2 with wheels interconnected by scissors- like tubular members 3 and 4, seat 40, coil 54, armrests 23 and 24, and footboards 44. According to invention, chair-carriage is supplemented by two small wheels 12 and 13 mounted on lower ends of vertical legs of frames 1 and 2 and scissors-like tubular members 3 and 4 are interconnected by rod 5 passing through horizontal pins 6 and 7, whereas big drive wheels 8 and 9, footboards 44, back 54, and armrests 23 and 24 with stays are removable. The latter lying on additional stays are executed in the form of U-shaped bridge made from tubular elements with reduced ends and with, installed therein, flange for telescopic connection with vertical legs of frames 1 and 2. In the latter, spring-loaded stop 34 is embedded with push-pull button 35 placed on one of side surfaces of U-shaped plate spring 36. EFFECT: extended functional capabilities of disabled-person vehicle and ergonomic properties. 5 cl, 7 dwg