US Patent 10064491 Folding chair

A folding chair comprising: a seat comprising a seat panel fixed to two seat supports, a backrest comprising a flexible backrest panel and two backrest supports having respective upper portions that engage respective side edges of said flexible backrest panel, a folding frame carrying the seat and the backrest and comprising a first structure including a pair of rear legs and a second structure including a pair of front legs, wherein the first structure and the second structure are articulated together about a first axis, a pair of joints each comprising a first half-coupling fixed to a respective rear leg and a second half-coupling fixed to a respective front leg, wherein the first half-coupling, the second half-coupling, and a respective seat support are rotatable relative to each other about said first axis, so that the first structure, the second structure and the seat are rotatable about said first axis between a position of use and a storage position.