Structure of a side rail of an advertising panel

Abstract

An improved structure of a side rail of an advertising panel includes a framework having four liftable side rails and four corner pedestals for connecting with these four side rails, and the corner pedestal is hollow and the L-shaped side of the corner pedestal is an opening. With this arrangements, these corner pedestals of the advertising panel are possible simply by lifting these side rails easily to change an advertising board fast and the latter is therefore more convenient for use to lift.

What is claimed is:  
     
         1 . A improved structure of a side rail of a advertising panel, which comprises: a framework having four liftable side rails and four corner pedestals for connecting with these four side rails, and the corner pedestal is hollow and the L-shaped side of the corner pedestal is an opening; whereby the end of the two side rail is possible to connect by the opening.  
     
     
         2 . A improved structure of a side rail of an advertising panel described as  claim 1 , wherein a lock plate is formed from the two adjacent ends of the opening respectively.  
     
     
         3 . A improved structure of a side rail of an advertising panel described as  claim 1 , wherein a block slice is formed from the two adjacent tops of the opening respectively.