Structure of a seat of a chair

Abstract

A seat of a chair includes a frame, and a cushion member; the frame includes an upper loop-shaped part, and a lower part connected to the upper loop-shaped part; the lower part of the frame has such a shape as to have a space within it, which is under and in communication with a space within the upper loop-shaped part; the cushion member includes several elastic elements, a soft part, and a mesh-like part; the elastic elements is positioned across and connected to the upper loop-shaped part at two ends; the soft part is positioned over the upper loop-shaped part of the frame; the mesh-like part is positioned over the soft part and the upper loop-shaped part to hold the soft part in position; thus, the cushion member is allowed to sink into the space within the lower part of the frame.

1 . An improvement on a seat of a chair, comprising 
 a frame, the frame including an upper loop-shaped part, and a lower part connected to the upper loop-shaped part; the lower part of the frame having such a shape as to have a space within it, which is right under and in communication with a space within the upper loop-shaped part; and    a cushion member positioned over the upper loop-shaped part of the frame so as to be allowed to sink into the space within the lower part of the frame.    
   
   
       2 . The seat as claimed in  claim 1 , wherein the cushion member is a mesh-like object, which is positioned over and connected to the upper loop-shaped part of the frame.  
   
   
       3 . The seat as claimed in  claim 1 , wherein the cushion member is a soft object.  
   
   
       4 . The seat as claimed in  claim 3 , wherein the soft cushion is made of sponge.  
   
   
       5 . The seat as claimed in  claim 1 , wherein the cushion member includes a soft part, and a mesh-like part; the soft part being positioned on the upper loop-shaped part of the frame; the mesh-like part being positioned over the soft part and the upper loop-shaped part, and connected to the upper loop-shaped part to hold the soft part in position.  
   
   
       6 . The seat as claimed in  claim 1 , wherein the cushion member includes a plurality of elastic elements, and a soft part; the elastic elements being positioned across and connected to the upper loop-shaped part of the frame; the soft part being held in position over the upper loop-shaped part of the frame.  
   
   
       7 . The seat as claimed in  claim 6 , wherein two ends of each of the elastic elements are bent downwards, and the elastic elements are inserted into the upper loop-shaped part of the frame at two ends thereof.  
   
   
       8 . The seat as claimed in  claim 1 , wherein the lower part of the frame is connected to legs of a chair.  
   
   
       9 . The seat as claimed in  claim 1 , wherein a soft sponge part is positioned on top of the upper loop-shaped part of the frame, and the cushion member is positioned over the soft sponge part as well as the soft sponge part for the seat to be usable as a seat of a bar stool.  
   
   
       10 . The seat as claimed in  claim 9 , wherein the cushion member is a mesh-like object, which is positioned over and connected to the upper loop-shaped part of the frame.