Screwless angle bar rack

Abstract

An angle bar rack formed of horizontal bars and vertical angle bars, the horizontal bars having hook holes and recessed retaining holes respectively disposed at the inner sidewall of each horizontal bar adjacent to the hook holes, the vertical angle bars having upward hooks respectively hooked in the hook holes of the horizontal bars, each upward hook having a retaining portion curved outwards and respectively engaged into the recessed retaining holes of the horizontal bars.

What the invention claimed is:  
     
         1 . An angle bar rack comprising a plurality of vertical angle bars and a plurality of horizontal bars respectively connected to one another, wherein said vertical angle bar each comprise an inner sidewall and at least one longitudinally series of equally spaced upward hooks respectively projected from the inner sidewall, said upward hooks, each having a top end terminating in an outwardly curved retaining portion; said horizontal bars each comprise a plurality of hook holes adapted to receive the hooks of said vertical angle bars, and a plurality of retaining holes respectively disposed adjacent to said hook holes and adapted to receive the retaining portions of said hooks, keeping the top end of each of said hooks to be respectively stopped at an inner sidewall of each of said horizontal bar.  
     
     
         2 . The angle bar rack of  claim 1  wherein said retaining holes are recessed holes respectively formed on an inner sidewall of each of said horizontal bar.  
     
     
         3 . The angle bar rack of  claim 1  wherein said retaining holes are through holes through inner and outer sidewalls of each of said horizontal bars.  
     
     
         4 . The angle bar rack of  claim 1  wherein said retaining holes are respectively spaced above said hook holes.  
     
     
         5 . The angle bar rack of  claim 1  wherein said retaining holes are respectively equally spaced from said hook holes at different elevations.