Sign

Claim 1

An interchangeable sign comprising: A. an elongated rectangular generally flat sign holder body having a pair of channel members disposed in back-to-back relation, each of said channel members having: 1. a back plate having flat top and bottom longitudinal edge portions lying in a common plane and a flat mid-portion displaced slightly outwardly therefrom, whereby, when said back plates are secured in back-to-back relation, a narrow tongue-receiving slot is formed between the mid-portions of the back plates, 2. a pair of flanges extending outwardly from the top and bottom edges of said back plate, 3. a lip extending inwardly from the free edges of said flanges, 4. a pair of parallel longitudinal ribs projecting from the top and bottom edge portions of said back plate spaced inwardly from the top and bottom flanges by a distance at least equal to the width of said lips, and 5. at least one further longitudinal rib projecting from the mid-portion of the back plate, B. an end member at each end of said body, each of said end members having: 1. a generally flat plate lying in a plane perpendicular to the plane of the body, said plate having a width substantially equal to the combined width of the two flanges at the top and bottom of the body and a length substantially equal to the width of the body, and 2. a generally flat longitudinal tongue projecting from one side of said end member plate, perpendicular thereto and spaced inwardly from the ends of the plate, said tongue being in engagement with the tongue-receiving slot at the end of the body, and C. an interchangeable sign card held in at least one side of said sign holder body, said sign having indicia thereon and being formed from flat sheet material of generally the size and shape of the body to fit with a slide fit therein, the top and bottom edges of said sign card being retained by said flange lips and the back of said card being supported by said longitudinal ribs.