Variable polyhedral framework

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected

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52640, 52DIG10, E04H 1218

Patent

active

048647969

ABSTRACT:
A variable polyhedral framework made from at least two joined tetrahedrons hinged at their coincident base edges, which may thereby move easily through and be made rigid in many different configurations.

REFERENCES:
patent: 1112542 (1914-10-01), Loser
patent: 3026651 (1962-03-01), Richter
patent: 3062340 (1962-11-01), Hunnebeck
patent: 3354591 (1967-11-01), Fuller
patent: 3662486 (1972-05-01), Freedman
patent: 3731450 (1973-05-01), Chateau
patent: 3783573 (1974-01-01), Vaughan
patent: 4619099 (1986-10-01), Sircovich
patent: 4667451 (1987-05-01), Onoda
patent: 4711062 (1987-12-01), Gwilliam
Space Grid Structures by John Borrego .COPYRGT.MIT Press 1986, pp. 137-146, 164-181.

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