Patent ID: 7938484

Claim:
A foldable chair, comprising: a pair of connecting sleeves, each having a tubular body, and a connecting lock piece attached to said tubular body; a pair of front legs, each of said front legs having a respective one of the connecting sleeves disposed thereon so that the tubular body fully enwraps the respective front leg and so as to be slidable along the respective front leg, each front leg further having a protrusion to stop the respective connecting sleeve from sliding downward; a pair of rear legs pivotally connected to said pair of front legs, so that each front leg forms an X-shape with a respective rear leg; a seat having an I-shaped reinforcement frame disposed on a bottom thereof, and a connecting piece fixed to a bottom of said seat and incorporated with said reinforcement frame, an upper end of the rear legs being rotatably hinged to the seat via the connecting piece, each connecting lock piece of each connecting sleeve being hinged to the seat via a rivet; and a backrest attached to the front legs, wherein the protrusion assists in retaining the seat in an unfolded position.