Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1996-12-10
1998-09-15
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
527312, 527301, 527304, 527305, 527201, 527317, 52 931, E04H 1200
Patent
active
058062688
ABSTRACT:
A building skeleton comprising profiled bars of rectangular profile and/or of I-profile. The rectangular bars have undercut grooves of the same size and cross section that extend longitudinally along each of the sides of the rectangular bars. The I-bars have such grooves on the outward sides of the transverse parts of the I-bars. Intermediate elements are receivable in the grooves for connecting two bars having grooves laid one over the other or two bars arranged one after the other along a path. In one embodiment, smaller cross section rectangular bars are telescopically insertable into hollow, larger cross section rectangular bars. The height of a side of the rectangular bar may be the same as the height of an I-shaped bar between its transverse parts or their respective heights may be different, which enables nesting of a smaller size rectangular bar or a smaller sized I-bar between the transverse parts of a larger size I-bar.
REFERENCES:
patent: 3143165 (1964-08-01), Lewis et al.
patent: 3894766 (1975-07-01), Woodward
patent: 4583359 (1986-04-01), Staeger
patent: 5398909 (1995-03-01), Sandwith
patent: 5471809 (1995-12-01), Frankel
Edwards W. Glenn
Friedman Carl D.
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