Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1975-07-17
1976-09-07
Perham, Alfred C.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
52654, 182128, 182131, 182187, 403 69, 403 73, 403 79, E04H 1208
Patent
active
039786340
ABSTRACT:
To enable a scaffolding structure to serve horizontally curved structures such as storage tanks, a connection is provided to allow horizontally adjacent scaffold transom element to be relatively inclined to one another in a horizonal plane. The joint includes connection means including a wedge to engage a socket afforded by a scaffold upright and such connection means is pivotally mounted on a scaffold cross member, such as a transom element, which itself affords a socket for the connection of a further cross member, such as a ledger element. Alternatively, the connection means may be pivotally mounted on a part provided with two such sockets for the releasable connection of a transom element and a ledger element.
REFERENCES:
patent: 2115953 (1938-05-01), Hohmeister
patent: 3179212 (1965-04-01), Gostling
Mack Roy
Mayo Terence William
Kwikform Limited
Perham Alfred C.
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