Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1980-12-15
1984-05-08
Raduazo, Henry E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
52DIG10, 434277, 434281, E04H 1200
Patent
active
044466668
ABSTRACT:
A three-dimensional, tetrahedral truss and its method of construction are provided. The truss comprises a three-dimensionally periodic skeletal array of an interconnected plurality of skeletal-tetrahedric units, the array being in the pattern of the crystallographic structure known as "cubic-diamond" (FIG. 1). Each of the skeletal-tetrahedric units is a skeletal arrangement of elongate members joined in the pattern of an equilateral skeletal tetrahedron (FIG. 4), and is preferably assembled from four hexagonic triplanar-rings (FIG. 4A) being of the form created by joining six bilateral-elements in a closed ring, triplanar pattern (FIG. 3), the bilateral-elements each having equal sides and having an included angle of about 109.degree.28' (FIG. 3).
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Space Grid Structures by John Borrego .COPYRGT.1968 MIT pp. 80 and 81, 18-21, 102 and 103.
Allied Corporation
Buff Ernest D.
Raduazo Henry E.
Yee Paul
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