Poster clamp

Abstract

A device for holding advertising media in a frame, usually constructed of aluminum extrusion which houses glass that protects and covers the advertising poster. Wherein the poster is changed periodically to promote different types of products or services.

1 . A poster clamp comprising:
 three sheet metal components, two brackets (left and right) which can be inserted into a channel that acts as a mounting surface;   a spring and a pressure plate which holds two bumpers assembled onto said left and right brackets.   
   
   
       2 . The clamp of  claim 1  which holds together and perform it's clamping function without use if any hardware to assemble said clamp or to mount it. 
   
   
       3 . The clamp of  claim 1  assembled into an existing frame without use of tools or any preparation to a mounting surface. 
   
   
       4 . The clamp of  claim 1  wherein said bumpers are comprised of rubber.