Patent ID: 6619681
Filing Date: 2003-09-16
Classification: A61G,A61H,Y10S

Abstract:
A wheel chair comprising:(a) a base frame having a front and a rear; (b) a back support frame, extending upwardly from the rear of the base frame; (c) a plurality of lower vertical track supports attached to the base frame; (d) a plurality of upper vertical track supports attached to the back support frame, each lower vertical track support disposed in spaced apart facing relation with a matching upper vertical track support; (e) a plurality of ground-engaging wheels attached to the base frame; (f) a plurality of vertical tracks, each vertical track disposed between a lower vertical track support and a matching upper vertical track support; (g) a seat carriage, comprising a vertical frame, an upright seat back, and a seat frame, the seat carriage slideably attached to the plurality of vertical tracks such that the seat carriage may be slid and positioned from a lower position up to and including an upper position and from the upper position to the lower position; (h) the upright seat back attached to the vertical frame; (i) arm rests attached to the seat carriage; (j) the seat frame, comprising a left member, a right member and a front member, the seat frame pivotally mounted to the vertical frame such that as the seat carriage is raised, the seat frame swings over a range from a generally horizontal first position extending perpendicularly from the vertical frame to a generally vertical second position parallel to the vertical tracks, and as the seat carriage is lowered, the seat frame swings from the second position to the first position; (k) a left leg support attached to the left member and the front member of the seat frame and a right leg support attached to the right member and the front member of the seat frame; (l) a saddle extending forwardly and generally horizontally from the vertical frame, the saddle positioned between the left leg support and the right leg support, so that when the seat frame is in the first position, the left leg support, the right leg support, and the saddle provide a seating surface for the person; and (m) means for raising said seat carriage to the upper position and for lowering said seat carriage to the, lower position.