D-section structural tubes

Details D-section structural tubes D-section structural tubes

1988-05-13

1989-06-06

Scherbel, David A.

Static structures (e.g., buildings)

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

Three-dimensional space-defining

52108, 52730, 52731, E04H 1200

Patent

active

048359327

ABSTRACT:
Structural members for a frame or truss are formed of two substantially identical elongated tubular like members each having a planar extending wall with the tubular members joined together along the planar wall, "back to back", and end portions of the joined planar walls form extending lugs. A complementary joint fitting includes a clevis having a slot for receiving the lug.

REFERENCES:
patent: 3913105 (1975-10-01), Williamson et al.
patent: 4259821 (1981-04-01), Bush
patent: 4308699 (1982-01-01), Slush
patent: 4460288 (1984-07-01), Schaff
patent: 4765114 (1988-08-01), Wesselski

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