Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1981-08-21
1983-08-30
Bell, J. Karl
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
E04H 1218
Patent
active
044009267
ABSTRACT:
An integrated dimorphic rod and joint truss structure which is erected simply and quickly from a collapsed to a high strength, rigid or semi-rigid three-dimensional form using interconnected square base members and quadrilaterals which are erected from a collapsed position on the base members to an upright and then to a skewed or twisted position creating adjacent right square pyramids having vertices joined in squares. The right square pyramid shapes produced have a high load-bearing capacity and may be arranged to produce flat, arched, vaulted or compound three-dimensional structures useful in comprising and supporting roofs, floors or portions of other structures.
REFERENCES:
patent: 3175650 (1965-03-01), Hartford et al.
patent: 3185164 (1965-05-01), Pinero
patent: 3277479 (1966-10-01), Struble
patent: 3348352 (1967-10-01), Cummings
patent: 3771274 (1973-11-01), Vaughan
patent: 3830031 (1974-08-01), Soisson
patent: 4337560 (1982-07-01), Slysh
Bell J. Karl
Monahan Wm. Jay
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