Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1977-07-29
1978-02-21
Purser, Ernest R.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52391, 52506, 52586, 52591, 46 25, 46 31, E04C 200, E04C 110
Patent
active
040744965
ABSTRACT:
A composite large plate is connected with a structural element and has an undercut coupling projection having at least two structural plates. Each of the structural plates has two undercut slots and is adapted to be located adjacent to one another so that at least one of the slots of one of the structural plates is substantially parallel to one slot of the other structural plate. A plate-like connecting member is provided, having two elongated undercut projections substantially parallel to one another and each engageable in one of the slots of the structural plates. When the elongated undercut projections engage in the slots of the structural plates the latter are assembled with one another so as to form the composite plate, and the structural element can be connected to the thus-formed composite plate by inserting the coupling projection thereof in the respective other one of the slots. Two further structural plates may be located adjacent to the two first-mentioned plate so that the slots of the latter are in alignment with the slots of the further structural plates. The elongated projections of the connecting member are of a length exceeding the length of the slots and thereby they not only connect the structural plates of each pair with one another, but also connect the both pairs of the structural plates with each other. The elongated projections of the connecting member may be of a length equal to twice the length of the slots so that two slots of the adjacent structural plates which are in alignment with one another, are overlapped by the elongated projection of the connecting member.
REFERENCES:
patent: 961992 (1910-06-01), Underwood
patent: 1009469 (1911-11-01), Burrowes
patent: 3074520 (1963-01-01), Grubelich
patent: 3456413 (1969-07-01), Fischer
patent: 3504470 (1970-04-01), Pincemin
patent: 3510979 (1970-05-01), Fischer
patent: 3597873 (1971-08-01), Fischer
patent: 3902291 (1975-09-01), Zucht
patent: 3946529 (1976-03-01), Chevaux
patent: 4035977 (1977-07-01), Fischer
Farber Robert C.
Purser Ernest R.
Striker Michael J.
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