Sign cabinet with box beam support frame and clamp assemblies

Details Sign cabinet with box beam support frame and clamp assemblies Sign cabinet with box beam support frame and clamp assemblies

1980-06-27

1982-03-02

Mancene, Gene

Card, picture, or sign exhibiting

Illuminated sign

Extruded frame

40156, 40603, 40564, G09F 1300

Patent

active

043173020

ABSTRACT:
This invention relates to on premise display sign cabinets having a main frame and a support frame formed by an extended box beam, the latter being rectangular in cross section, said support frame being disposed along the periphery of the main frame and being of sufficient structural strength to substantially reduce the need for support braces and carrying a plurality of individual slidable clamping assemblies in a raceway at one side of the beam to secure and maintain a polyvinyl chloride sign face under tension sufficient to withstand wind forces exceeding 50 pounds per square foot on the sign face.

REFERENCES:
patent: 1219236 (1917-03-01), Brewster
patent: 2083258 (1937-06-01), Fisher
patent: 2573318 (1951-10-01), Dow
patent: 2893162 (1959-07-01), Knowles
patent: 3080166 (1963-03-01), Clark
patent: 3235989 (1966-02-01), Brooks
patent: 3390259 (1968-05-01), Angier
patent: 3391481 (1968-01-01), Lloyd
patent: 3395483 (1968-08-01), Stein et al.
patent: 3593448 (1971-07-01), Schoepf
patent: 3722119 (1973-03-01), Braun
patent: 3835613 (1974-09-01), Davies
patent: 3848349 (1974-11-01), Olsen
patent: 3863372 (1975-02-01), Stilling
patent: 3893251 (1975-07-01), Coleman
patent: 4007552 (1977-02-01), Brooks
patent: 4041861 (1977-08-01), Alter
patent: 4169327 (1979-10-01), Stilling

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