Shock-absorbing shoe

Abstract

A shock-absorbing shoe includes a vamp, an outsole, a heel cushion, and a plurality of spring coils. The outsole is connected to the vamp, and has toe and heel portions. The heel cushion is embedded in the heel portion, and has a bottom wall formed with a plurality of upstanding hollow tubes. The spring coils are respectively received in the tubes and protrude out of the tubes.

I claim:  
     
         1 . A shock-absorbing shoe comprising: 
 a vamp;    an outsole connected to said vamp, said outsole having a toe portion, and a heel portion connected to said toe portion;    a heel cushion embedded in said heel portion, said heel cushion having a bottom wall formed with a plurality of upstanding hollow tubes; and    a plurality of spring coils respectively received in said tubes and protruding out of said tubes.    
     
     
         2 . The shock-absorbing shoe as claimed in  claim 1 , wherein said heel cushion further has a side wall extending upward from a periphery of said bottom wall to surround said tubes.  
     
     
         3 . The shock-absorbing shoe as claimed in  claim 2 , wherein said heel cushion further has a plurality of reinforcing ribs that are connected to said tubes and said side wall.  
     
     
         4 . The shock-absorbing shoe as claimed in  claim 3 , wherein said heel cushion further has a top cover disposed on top of said side wall to cover said heel cushion, said cover abutting against said spring coils.  
     
     
         5 . The shock-absorbing shoe as claimed in  claim 4 , wherein said cover is further formed with a plurality of protruding posts, each of which extends downwardly into a corresponding one of said tubes.  
     
     
         6 . The shock-absorbing shoe as claimed in  claim 4 , wherein said heel portion of said outsole and said cover are respectively formed with a plurality of vent holes that are in fluid communication with each other.  
     
     
         7 . The shock-absorbing shoe as claimed in  claim 1 , wherein said heel portion has a bottom recess indented from a bottom surface of said heel portion, said heel cushion being disposed in said bottom recess.  
     
     
         8 . The shock-absorbing shoe as claimed in  claim 7 , wherein said outsole further has a tread member disposed beneath said bottom surface of said heel portion and closing said bottom recess.