Patent ID: 11122902

Abstract:
The present disclosure discloses a chair and a chair base. The chair base comprises a connection pipe, four support legs, and two C-shaped swinging rods. The four support legs are respectively disposed along four directions. The two support legs disposed in a left-to-right direction are fixedly connected to the connection pipe, and lower sides of middle portions of the two support legs are respectively disposed with a hinge piece. The two support legs disposed in a front-to-rear direction are rotatably connected to the connection pipe and comprise sliding sleeves. Two ends of the two C-shaped swinging rods are respectively rotatably connected to the hinge pieces of the two support legs disposed in the left-to-right direction. Middle portions of the two C-shaped swinging rods are respectively connected to the sliding sleeves of the two support legs disposed along the front-to-rear direction through link rods.