Light fixture with luminous signs

Claim 1

A sign fixture comprising a generally open frame assembly formed of a plurality of interconnected, angled frame members, a sign panel assembly of translucent plastic material mounted on at least one side or end of said frame assembly, said panel assembly comprising an inner backing panel having a plurality of openings therethrough, and a plurality of outer panels positioned in adjacent non-overlapping relationship with each other; and means for removably connecting said outer panels to said backing panel so as to permit convenient replacement of one or more of said outer panels without affecting said inner backing panel, said removable connecting means comprising a clamp assembly having one end attached to said backing panel, a resilient expansible body portion extending through one of said openings in said backing member and outwardly beyond said outer panels, and a nut member removably attached to said body portion of said clamp assembly, wherein said resilient, expansible body portion comprises a spring and said nut member is internally threaded to removably receive the adjacent end of said spring, and wherein certain of the corners of said outer panels are bevelled, said nut member serving to permit manipulation of said spring without removing said nut member thereby to permit manipulation of said spring for removing one or more of said outer panels to be replaced while said clamp assembly remains intact.