Stackable container

Abstract

A container comprising a storage compartment formed with an arcuate outer surface, and a cover adapted to close the storage compartment, the cover being formed with an arcuate outer surface having a complementary shape nestable with the outer surface of the storage compartment, such that the storage compartment of one container is stackable with the cover of another container.

What is claimed is:  
     
         1 . A container comprising: 
 a storage compartment formed with an arcuate outer surface; and    a cover adapted to close said storage compartment, said cover being formed with an arcuate outer surface having a complementary shape nestable with said outer surface of said storage compartment, such that the storage compartment of one said container is stackable with the cover of another said container.    
     
     
         2 . The container according to  claim 1 , wherein said outer surface of said storage compartment is concave and said outer surface of said cover is convex.  
     
     
         3 . The container according to  claim 1 , wherein said cover comprises at least one support lug protruding therefrom adapted to abut against a portion of the storage compartment of one said container stacked on the cover of another said container.  
     
     
         4 . The container according to  claim 3 , further comprising a plurality of said support lugs positioned on opposite sides of said cover.  
     
     
         5 . The container according to  claim 3 , further comprising a plurality of said support lugs spaced axially from one another on said cover.  
     
     
         6 . The container according to  claim 4 , wherein said support lugs are positioned symmetrically on opposite sides of said cover.  
     
     
         7 . The container according to  claim 1 , wherein said storage compartment and said cover comprise mating fasteners adapted to fasten said storage compartment with said cover.  
     
     
         8 . The container according to  claim 3 , wherein said storage compartment and said cover comprise mating fasteners adapted to fasten said storage compartment to said cover.  
     
     
         9 . The container according to  claim 8 , wherein said support lugs are positioned adjacent said fasteners.  
     
     
         10 . The container according to  claim 1 , wherein said cover is hinged to said storage compartment.  
     
     
         11 . The container according to  claim 1 , wherein said cover is not hinged to said storage compartment.