The present invention relates to a sitting chair, and more particularly, it is composed of a seat plate and a backrest in which a cushion member that provides a sense of stability when seated by imparting a buffering force is combined, and is stable through a support member, and slides without damaging the floor surface. It relates to a seated chair that is prevented.
To this end, the present invention is a seat plate for accommodating the user's buttocks; A back support coupled through a joint at the rear of the seat plate; A support member coupled to the lower side of the seat plate to support the seat plate, wherein the support member extends from the lower side of the seat plate, and a pair of left and right sides has a lengthwise direction forward and backward, and , It is coupled to the bottom surface of the extension frame and includes a support made of a buffer material.
In addition, each of the pair of extension frames has a bent surface formed so as to be parallel to the ground by bending the bottom surfaces of the front and rear ends thereof, and the pedestal is coupled to the bent surface.