Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1995-02-08
1996-09-17
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52660, 526568, 256 19, 256 24, E04C 242
Patent
active
055556922
ABSTRACT:
A latticework structure providing a composite curved appearance is formed from slat elements each having a shape defined by a waveform curve repeating about a longitudinal axis, the waveform defined by a wavelength and a magnitude, each of the first slat elements having a substantially constant and common width orthogonal to the defining curve. Such elements are arranged in two levels with axes of symmetry of the slat elements all parallel, and the width of slat elements in one level at maxima points positioned to overlap the width of minima points of the slat elements on the other level, and the elements are joined at the areas of overlap. In a preferred embodiment, the elements are wooden slats, and in other embodiments other materials are used, such as plastic and metal. Joining methods are selected appropriate to the materials used. In an alternative embodiment elements on one level are parallel in one direction, and in the other level elements are parallel in a crossing direction to the direction of the axes of the first elements, providing a structure of increased strength exhibiting increased economy of manufacture. In both side-by-side and in crossing patterns, panels are provided with notches at the overlapping areas, producing panels with the thickness of a single slat element.
REFERENCES:
patent: 135837 (1873-02-01), Overholser
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patent: 1591328 (1926-07-01), Lachman
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patent: 4487000 (1984-12-01), Ball
Boys Donald R.
Friedman Carl D.
Yip Winnie
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