Patent ID: 7147277

Claim:
A foldable chair that folds by a plurality of hinges between an expanded position and a collapsed position to seat a person substantially horizontal while the chair is positioned on an angled surface, comprising: a back assembly having a back frame and a back covering which at least partially covers the back frame, the back frame including opposing back side members, each back side member having a first back end and a second back end; a seat assembly secured to a seat hinge of the plurality of hinges, the seat hinge pivotally coupling the seat assembly to the back assembly, the seat assembly having a seat frame and a seat adjustment assembly, the seat frame including opposing seat side members, each seat side member having a first seat end and a second seat end, the seat adjustment assembly including a seat track which is integrally disposed within the back side members, the seat track having at least one seat adjustment positions; a leg assembly secured to a leg hinge of the plurality of hinges, the leg hinge pivotally coupling the leg assembly to the seat assembly, the leg assembly having a leg frame which includes opposing leg side members, each leg side member having a first leg end and a second leg end; and a collapsible seat which is removably coupled to the seat assembly, the collapsible seat having a proximal end, a distal end, a body positioned between the proximal end and the distal end, an adjustment pin and a seat attachment, the proximal end connecting with the adjustment pin, the distal end connecting with the seat attachment wherein the adjustment pin removably engages with at least one of the plurality of seat adjustment positions of the seat track and the seat attachment connects with the seat frame such that the engaged adjustment pin with the seat track and the attached distal end with the seat frame positions the body of the seat in a substantially horizontal position with respect to the angled surface.