Patent attributes
Disclosed are chair frames and foldable chairs. A chair frame includes left and right side frames, each having a front leg, a rear leg, a backrest rod, a seat rod, and a connecting piece. The backrest rod and the seat rod are pivotally connected to the rear leg. The front leg is pivotally connected to the connecting piece movably disposed on the rear leg. The chair frame also includes a pair of cross front supporting rods and a pair of cross rear supporting rods. Each front supporting rod is pivotally connected to the front leg of one side frame and pivotally connected to the seat rod of the other side frame. Each rear supporting rod is pivotally connected to the rear leg of one side frame and pivotally connected to the front leg of the other side frame.
