Wheelchair where the seat is divided longitudinally

Claim 1

A wheelchair comprising a support frame structure, supported on rolling devices, and carrying a seat means with back support structure, said seat means and back support structure being divided longitudinally along a vertical center plane into two seat units, each seat unit comprising a seat member and a back-support member connected to the seat member; said frame structure comprising: two spaced-part elongate vertical frame means, with lower and upper ends, one of said vertical frame means being disposed at each side of the wheel chair; two lower elongate, spaced-apart essentially horizontal frame parts, individual ones of said lower frame parts being connected to and extending rearwardly from the lower end of each vertical frame means; means extending between and rigidly joining said spaced-apart lower frame parts; two elongate upper, essentially horizontal frame parts, individual ones of which being connected to the upper end of each vertical frame means and extending rearwardly therefrom; the rearward portion of each upper frame part having a hinge means connected thereto with the axes of the hinge means being substantially vertical and the front of each one of said seat units being connected to the hinge means on an associated one of said upper frame parts; said hinge means enabling said seat units to be swung out about the respective substantially vertical hinge axes to respective sides of the frame structure to enable relative passage of a person into the wheelchair from the rear of the wheelchair.