Constructional element

Details Constructional element Constructional element

1976-01-20

1976-12-28

Faw, Jr., Price C.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

46 29, 52105, E04B 118

Patent

active

039993507

ABSTRACT:
A constructional element of constant L-shaped cross-section formed by two metal flanges joined together at right angles has in each flange at least one row of regularly-spaced apertures extending longitudinally thereof. Each row comprises alternate circular apertures and non-circular apertures, the latter being elongated both parallel to and transversely to the length of the element. The rows of apertures in the flanges closest to the junction are offset with respect to each other so that the circular holes in one row register transversely with the non-circular holes in the other row. By the provision of non-circular apertures elongated in two directions, the versatility of the element when used in the fabrication of structural units and frameworks is enhanced.

REFERENCES:
patent: 2632533 (1953-03-01), Mackenzie
patent: 2990920 (1961-07-01), Hoffman
patent: 3003600 (1961-10-01), MacKenzie
patent: 3043409 (1962-07-01), Kremer et al.
patent: 3127961 (1964-04-01), Frazier

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