Ball for use in a tire assembly

Abstract

A tire assembly includes a safety rim, defining recesses on its inner surface, a tire including left and right edges, which are received in said recesses, and a plurality of inflated balls lying between the tire and the rim.

1 - 17 . (canceled)  
   
   
       18 . A ball for use in a tire assembly, comprising: 
 a thin wall, defining an interior surface and an exterior surface and a diameter;    wherein the thickness of said thin wall is less than two percent of the diameter, and wherein said ball can support a load in pounds that is at least one hundred times the cube of its diameter in inches without exceeding its tensile limit, without exceeding its elastic limit, and without expanding more than 50% from its initial surface area.    
   
   
       19 . A ball as recited in  claim 18 , wherein said ball includes a valve.  
   
   
       20 . A ball as recited in  claim 19 , wherein said ball is made of polyurethane.  
   
   
       21 . A ball as recited in  claim 20 , wherein said ball is made of welded-together sheets.