Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1976-12-02
1978-01-31
Purser, Ernest R.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
85 1R, 85 35, 151 417, 403 14, 403171, E04H 1210
Patent
active
040708470
ABSTRACT:
A modular, symmetrical space frame structure utilized in the construction of special architectural spanning structures comprises standardized component parts made of corrosion resistant aluminum or high-strength plastic composite for preferred exterior application and of steel for interior application - all manufactured to precise dimensional tolerances giving the assembled structure an inherent uniformity in the transfer of tension/compression load factors within the web and chord members. A basic standardized eight-way connector capable of connecting four diagonal web members and four horizontal chord members can be interchangeably installed in both the top and bottom chord assemblies thus minimizing the number of different component parts required to assemble the structure and also resulting in a totally symmetrical design. The length of the component web and chord members and the location of the integral locking devices are maintained to close and uniform tolerances so that the subsequent assembly results in a self-aligning structure requiring no jigs or fixtures. Assembly is a highly repetitive process with a single hand tool locking a single fastener, permitting the employment of relatively unskilled or semi-skilled workmen for its assembly and installation. The basic design allows installation or removal of any component at any location within the space frame structure. Therefore, assembly is not restricted to a progressive installation.
REFERENCES:
patent: 3270478 (1966-09-01), Attwood
patent: 3421280 (1969-01-01), Attwood
patent: 3844664 (1974-10-01), Hogan
Space Grid Structures by John Borrego, .COPYRGT. 1968, by MIT, pp. 100, 101, 30-33, 83, 105, 119.
Designing with Aluminum Extrusions by Reynolds .COPYRGT. 1950.
Purser Ernest R.
Raduazo Henry
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