Patent ID: 6192533
Filing Date: 2001-02-27
Classification: A61G,Y10S

Abstract:
An elevator chair for the handicapped and invalids, comprising a chassis supporting a hinged structure including a seat, a footrest, and a back, said seat being disposed substantially to a first side of a vertical plane and said footrest being disposed substantially to the opposite side of said vertical plane, the chair further comprising:a first assembly in the form of a deformable quadrilateral for supporting the seat, made up of top and bottom bars hinged at a point near said vertical plane and linked at a second point on said first side of said vertical plane by spacer pieces;a second assembly in the form of a deformable quadrilateral for supporting the footrest and linking the chassis to the first assembly;a back frame hinged to the first assembly and,a drive assembly interposed between the deformable first assembly and the chassis and performing a pivot-controlling function so as to cause the hinged structure to shift between a low position and an elevated position in which the seat, the footrest, and the back are substantially in generally vertical alignment and,wherein the second assembly is disposed at least in part to said first side of said vertical plane and is linked to the first assembly by at least one reversible actuation and coupling rod, said actuation and coupling rod set back from said vertical plane and disposed beneath a plane defined by the seat in said low position.