Cushion assembly for shoes

Abstract

A cushion assembly for shoes includes a top plate, a bottom plate and one or more than one flexible posts are connected between the top plate and the bottom plate. The cushion assembly is received in the sole of a shoe and the posts can be deformed in the direction from which a load is applied. A ring-shaped bladder is connected between the top plate and the bottom plate, and the flexible posts are enclosed by the ring-shaped cushion bladder.

What is claimed is:  
     
         1 . A cushion assembly comprising: 
 a top plate;    a bottom plate, and    at least one flexible post connected between the top plate and the bottom plate.    
     
     
         2 . The cushion assembly as claimed in  claim 1 , wherein the top plate is larger than the bottom plate.  
     
     
         3 . The cushion assembly as claimed in  claim 1  further comprising a cushion bladder which is a ring-shaped member and located between the top plate and the bottom plate, the at least one flexible post being enclosed by the cushion bladder.  
     
     
         4 . The cushion assembly as claimed in  claim 1 , wherein the at least one flexible post is composed of two parts which are connected with each other in an axial direction, one of the two parts having a recess defined in a distal end thereof and the other one of the two parts having a protrusion which is engaged with the recess.  
     
     
         5 . The cushion assembly as claimed in  claim 1 , wherein screws extend through the bottom plate and are threadedly engaged with the at least one flexible post.