Card – picture – or sign exhibiting – Illuminated sign – Lamp box
Patent
1984-04-11
1985-10-22
Swiatek, Robert P.
Card, picture, or sign exhibiting
Illuminated sign
Lamp box
40549, 40603, G09F 1304
Patent
active
045479879
ABSTRACT:
An intermediate frame for a sign box of the type having a first hinging member around its perimeter, and having an outer face frame for supporting a face panel, the intermediate frame having a generally rectangular construction with two ends, and a top and bottom joining at corners, each of them having an outer wall, a face panel support connected with the outer wall and extending inwardly, for supporting a face panel, a first hinging portion connected to the outer wall, and extending in a rearward direction for hinging interengagement with the first hinging member on the sign box, a second hinging member connected to the outer wall, and extending in a forward direction, to receive a second hinging portion carried on the outer face frame.
Also included are a series of face frames for supporting a panel of flexible sign material, and panel tensioning members for use therewith. Such face frames may be hingedly mounted to a sign box, fixed to a vertical structure, and retrofitted to an existing sign box.
REFERENCES:
patent: 1600243 (1926-09-01), Passmore
patent: 3830033 (1974-08-01), Gahler
patent: 4169327 (1979-10-01), Stilling
patent: 4452000 (1984-06-01), Gandy
Rolston George A.
Stone Cary E.
Swiatek Robert P.
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