Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1984-05-31
1986-04-29
Raduazo, Henry E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
52650, 403172, 403176, E04N 1200
Patent
active
045848106
ABSTRACT:
A metal space truss comprises two generally horizontally extending and vertically spaced lattices, an upper one composed of two intersecting groups of parallel steel T-bars having downwardly directed webs with generally vertically oriented side faces forming one or more inner corners in each node, and a lower one composed of two intersecting groups of parallel steel bars also having cross sections presenting generally vertically oriented side faces forming in each node one or more inner corners being unobstructed in a direction towards said upper lattice. The two lattices are interconnected by a plurality of struts, each of which has a generally trough-shaped cross section and extends from a first node in said upper lattice to a second node in said lower lattice in a manner to form an oblique angle with the respective planes of the two lattices and also an oblique angle to the bars thereof. The respective end portions of each such strut are specially designed to be secured to said first and second nodes, respectively, by means of double bolt connections while being received in related inner corners of the nodes.
REFERENCES:
patent: 490267 (1893-01-01), Burnham et al.
patent: 3994111 (1976-11-01), Papayoti
Philpitt Fred
Raduazo Henry E.
White John Malcolm
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