Durable case

Abstract

A blow-molded plastic case is made of plastic via a blow-molding process. The blow-molded plastic case includes a first shell, a second shell pivotally connected with the first shell and at least one protective ball attached to the first shell for preventing the first shell from contact with a surface such as the ground, a table, a board or the like.

1 . A blow-molded plastic case made of plastic via blow-molding, wherein the blow-molded plastic case includes a first shell, a second shell pivotally connected with the first shell and at least one protective ball attached to the first shell for preventing the first shell from contact with a surface.  
   
   
       2 . The blow-molded plastic case according to  claim 1  wherein the first shell defines at least one recess for receiving a portion of the protective ball.  
   
   
       3 . The blow-molded plastic case according to  claim 1  including several protective balls attached to the first shell.  
   
   
       4 . The blow-molded plastic case according to  claim 3  wherein the first shell defines a corresponding number of recesses for receiving the protective balls.  
   
   
       5 . The blow-molded plastic case according to  claim 1  including at least one protective ball attached to each of two corners near an edge of the first shell.  
   
   
       6 . The blow-molded plastic case according to  claim 5  including a series of protective balls attached to an opposite edge of the first shell.  
   
   
       7 . The blow-molded plastic case according to  claim 5  including at least one protective ball attached to each of two corners near an opposite edge of the first shell.  
   
   
       8 . The blow-molded plastic case according to  claim 1  wherein the protective ball is a steel ball.  
   
   
       9 . The blow-molded plastic case according to  claim 1  including at least one protective ball attached to a lower face of the first shell and at least one protective ball attached to each of two lateral faces of the first shell.  
   
   
       10 . The blow-molded plastic case according to  claim 9  including at least one protective ball attached to each of two lateral faces of the second shell.  
   
   
       11 . The blow-molded plastic case according to  claim 10  including a first handle formed on the first shell, a second handle formed on the second shell, at least one protective ball attached to the first handle and at least one protective ball attached to the second handle.  
   
   
       12 . A blow-molded plastic case made of plastic via blow-molding, wherein the blow-molded plastic case includes a first shell for contact with a surface, a second shell pivotally connected with the first shell, a first handle formed on the first shell, a second handle formed on the second shell and at least one protective ball attached to each of the handles.  
   
   
       13 . The blow-molded plastic case according to  claim 12  including several protective balls attached to each of the handles.  
   
   
       14 . The blow-molded plastic case according to  claim 12  wherein each of the handles defines at least one recess for receiving a portion of the protective ball.  
   
   
       15 . A blow-molded plastic case made of plastic via blow-molding, wherein the blow-molded plastic case includes a first shell for contact with a surface, a second shell pivotally connected with the first shell, a handle formed on one of the shells and at least one protective ball attached to the handle.  
   
   
       16 . The blow-molded plastic case according to  claim 15  wherein the handle is molded as one piece.  
   
   
       17 . The blow-molded plastic case according to  claim 15  wherein the handle includes several protective balls formed thereon.  
   
   
       18 . The blow-molded plastic case according to  claim 15  wherein the handle defines at least one recess for receiving a portion of the protective ball.