WHEELED ARMCHAIR Russian patent published in 1999 - IPC

FIELD: invalid armchairs. SUBSTANCE: armchair has two profiles of seat hinge-connected with corresponding front profiles by some ends. By other ends profiles are coupled with corresponding profiles of back. Base profiles from underframe through rigid connection with bar tube. Driving and driven wheels are fixed to underframe with constant base. Ends of front profiles are coupled to underframe by respective hinges. Underframe is coupled to corresponding profiles of seat through series-connected telescopic assembly and hinge fixator. Front profile is coupled to footboard through corresponding telescopic assembly, and step bearing is installed on footboard with the aid of hinge connection. Armchair is convenient in use due to division of its construction into stationary underframe and changeable seat with simple and reliable adjustment for concrete sizes of man's organs including locomotor system. EFFECT: improved design. 2 cl, 1 dwg