Lightweight overhead beam for portable display structure

Details Lightweight overhead beam for portable display structure Lightweight overhead beam for portable display structure

1990-05-14

1991-10-22

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Machine or implement

1603681, 2111051, 2482052, E04C 230

Patent

active

050583590

ABSTRACT:
A lightweight portable one-piece beam for attachment to a portable display structure and including two triangular, elongate, tubular portions running along elongate edges of the beam for lending stability to the beam. The beam is convertible from its stable folded form with tubular portions to a flat, portable form.

REFERENCES:
patent: 1175077 (1916-03-01), Peirce
patent: 4945706 (1990-08-01), Beaullieu

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