Prefabricated pyramid-shaped structural members for three-dimens

Details Prefabricated pyramid-shaped structural members for three-dimens Prefabricated pyramid-shaped structural members for three-dimens

1988-08-10

1990-07-10

Scherbel, David A.

Static structures (e.g., buildings)

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

Three-dimensional space-defining

52646, E04H 1200

Patent

active

049398822

ABSTRACT:
In prefabricated pyramid-shaped structural members for the production of two-part grill frameworks, the diagonally running rods of each pyramid-shaped structural member are welded with their ends on a cover plate, which has a borehole for the passage of a fastening screw for a head member. Each head member includes a contact surface for the cover plate and is provided with a tapped borehole to receive the fastening screw, which connects the relevant joint member in each case with the cover plate. This screw connection is advantageously not undertaken until at the point of assembly of the grill framework.

REFERENCES:
patent: 4070847 (1978-01-01), Madl
patent: 4562682 (1986-01-01), Arvedi
patent: 4679372 (1987-07-01), Noble
patent: 4763459 (1988-08-01), Wesselski

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