Patent ID: 8100469

Claim:
A folding chair comprising: (a) a frame including: (i) a seat portion; (ii) a front leg portion pivotally connected to said seat portion, said front leg portion comprising a pair of transversely spaced apart front legs; (iii) a rear leg portion pivotally connected to said seat portion, said rear leg portion comprising a pair of transversely spaced apart rear legs; and (iv) a back portion connected to said seat portion, said back portion comprising a pair of transversely spaced apart upward extension members each having a first upper end and a second, distal lower end, and a pair of transversely spaced apart, forwardly extending convex members each having a first upper end and a second, distal lower end; where each upward extension member is connected at its lower end to one of the front legs; where each convex member is connected proximate at its upper end to the upper end of one of the upward extension members and each convex member is further connected proximate its lower end to one of the front legs; and where the back portion is constructed and arranged as to match the curve of the lumbar region of the spine of a person seated on the folding chair; and (b) a flexible membrane covering said seat portion and said pair of transversely spaced apart, forwardly extending convex members, said flexible membrane connected to and spanning said spaced apart front legs.