Collapsible Shelf

Abstract

A collapsible shelf includes two vertical units, two horizontal units and connecting units for detachably connecting the horizontal units to the vertical units. Each of the vertical units includes two posts and beams extending between the posts. Each of the connecting units includes a hook secured to a related one of the horizontal units and formed with a recess for movably receiving a related one of the posts.

1 . A collapsible shelf comprising:
 two vertical units each including two posts and beams extending between the posts;   horizontal units; and   connecting units for detachably connecting the horizontal units to the vertical units, wherein each of the connecting units includes a hook secured to a related one of the horizontal units and formed with a recess for movably receiving a related one of the posts.   
     
     
         2 . The collapsible shelf according to  claim 1 , wherein each of the connecting units includes a lining secured to an internal side of the hook, wherein the lining includes a recess for movably receiving the related post. 
     
     
         3 . The collapsible shelf according to  claim 1 , wherein each of the posts includes an upper section and a lower section detachably connected to the upper section. 
     
     
         4 . The collapsible shelf according to  claim 3 , wherein each of the posts includes a connector including a screw driven in the upper section, an insert inserted in the lower section, and a tab formed between the screw and the insert. 
     
     
         5 . The collapsible shelf according to  claim 1 , wherein the horizontal units are rectangular. 
     
     
         6 . The collapsible shelf according to  claim 1 , wherein the hook of each of the connecting units is semicircular. 
     
     
         7 . The collapsible shelf according to  claim 1  including feet each detachably connected to a related one of the posts. 
     
     
         8 . The collapsible shelf according to  claim 1 , including balancing beams each including, at each end, a hook secured to an end of a related one of the balancing beams and engaged with a related one of the posts. 
     
     
         9 . The collapsible shelf according to  claim 1 , wherein each of the posts and the beams is square in a cross-sectional view. 
     
     
         10 . A collapsible shelf comprising:
 two vertical units each including two posts and beams extending between the posts;   horizontal units; and   connecting units for detachably connecting the horizontal units to the vertical units, wherein each of the connecting units includes a hook secured to a related one of the horizontal units and formed with a recess for movably receiving a related one of the beams.   
     
     
         11 . The collapsible shelf according to  claim 10 , wherein the vertical units are located in perpendicular to each other. 
     
     
         12 . The collapsible shelf according to  claim 10 , wherein the hook of each of the connecting units is semicircular. 
     
     
         13 . The collapsible shelf according to  claim 10 , wherein each of the connecting units includes a lining secured to an internal side of the hook, wherein the lining includes a recess for movably receiving the related beam.