Static structures (e.g. – buildings) – Barrier or major section mounted for in situ repositioning;... – Barrier of hingedly connected sections
Patent
1978-10-13
1981-01-20
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Barrier or major section mounted for in situ repositioning;...
Barrier of hingedly connected sections
52641, 52645, E04B 716
Patent
active
042454395
ABSTRACT:
There is described a prefabricated building element which comprises at least one frame and at least one closing panel which extends between the inner edges of said frame, connecting means being provided between the frame and the panel, said means being so arranged as to let the frame and panel move relative to one another, along a direction substantially in parallel relationship with the element thickness, to lie in two end positions, the one position in which the panel is received within the thickness of the frame and the other position in which the panel projects relative so said frame.
REFERENCES:
patent: 2499790 (1950-03-01), Smith
patent: 3485346 (1969-12-01), Ballard
Foldaway Research International Anstalt
Ridgill, Jr. James L.
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