Seat cushion assembly

Abstract

Disclosed is a seat cushion assembly, whose cushioning effect can be maintained even when a user sits on the seat cushion assembly for a long time, thereby providing the user with more improved comfort and overcoming the problems of the conventional seat cushion such as trouble in the circulation of blood. The seat cushion assembly includes a coat member and a porous cushioning member. The coat member includes a first cushion coat and a second cushion overlapped on each other. A first space is formed in the first cushion coat, and a second space is formed in the second cushion coat. The first space is filled with a predetermined quantity of air which provides elasticity for the first cushion coat, and a plurality of pores are formed through the second cushion coat. The porous cushioning member is contained in the second space, and is made from elastic and flexible material, thereby providing elasticity for the seat cushion assembly.

What is claimed is:  
     
         1 . A seat cushion assembly comprising: 
 a coat member including a first cushion coat and a second cushion coat, the first cushion coat having a first space formed in the first cushion coat, the second cushion coat having a second space formed in the second cushion coat, the first cushion coat and the second cushion coat being overlapped on each other, the first space being filled with a predetermined quantity of air which provides elasticity for the first cushion coat, the second cushion coat having a plurality of pores formed through the second cushion coat, through which the second space communicates with an exterior space of the second cushion coat; and    a first porous cushioning member contained in the second space defined by the second cushion coat, the first porous cushioning member being made from elastic and flexible material, thereby providing elasticity for the seat cushion assembly.    
     
     
         2 . A seat cushion assembly as claimed in  claim 1 , wherein the first cushion coat and the second cushion coat are integrated to each other while the first space and the second space are separated from each other.  
     
     
         3 . A seat cushion assembly as claimed in  claim 1  or  2 , further comprising a second porous cushioning member contained in the first space defined by the first cushion coat, the second porous cushioning member being made from elastic and flexible material.  
     
     
         4 . A seat cushion assembly comprising: 
 a seat coat made from flexible material, in which a first space is formed, the first space being filled with a predetermined quantity of air, the seat coat serving as a seat on which a user's hip is laid on;    a backrest coat foldably connected with an upper end of the seat coat, the backrest coat having a second space formed in the backrest coat, the backrest coat serving as a backrest on which a user's back leans, a portion of air in the first space flows into the second space when a load is laid on the seat coat; and    a connecting tube connecting the first space of the seat coat and the second space of the backrest coat with each other, so that air can flow between the first space of the seat coat and the second space of the backrest coat.    
     
     
         5 . A seat cushion assembly as claimed in  claim 4 , further comprising a porous cushioning member contained in the first space, the porous cushioning member being capable of soaking air.