Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1998-12-01
2000-12-19
Stephan, Beth A.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
52646, 14 75, 182152, 1821786, 248150, 248166, E04H 1200
Patent
active
061613592
ABSTRACT:
The shoring includes a pair of fixed frames opposed to each other and a pair of collapsible reinforcing frames disposed between both ends of the fixed frames, the reinforcing frames each having collapsible baluster struts whose base ends are pivotally connected between end portions of the fixed frames, a support rod whose base end is pivotally connected to an intermediate position of the baluster struts, and plural braces whose base ends are pivotally connected to end portions of the fixed frames and whose front ends are mounted vertically slidably to the support rod.
REFERENCES:
patent: 534274 (1895-02-01), Massau
patent: 2982379 (1961-05-01), Fisher
patent: 3650081 (1972-03-01), McCracken
patent: 3835612 (1974-09-01), Beziat
patent: 5765248 (1998-06-01), Ono
Glessner Brian E.
Ono Tatsuo
Stephan Beth A.
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