Static structures (e.g. – buildings) – Lazy tong extension unit
Patent
1991-06-21
1993-04-20
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Lazy tong extension unit
52646, 40606, 40610, 135102, E04B 168
Patent
active
052031268
ABSTRACT:
A slidable foot assembly for stabilizing a collapsible display structure. Such structures include a network of support rods which form a skeletal frame for the structure and which are pivotally joined together by hub assemblies. The present foot assembly includes a slide which is elongate to extend to each of the sides of the erected structure to stabilize the structure and further includes feet affixed to a lower hub assembly and slidable in the slide to permit the slide to be disposed parallel to the collapsed form of the structure to maintain the compactness of the collapsed form.
REFERENCES:
patent: 4522088 (1985-06-01), Zeigler
patent: 4557082 (1985-12-01), Dunsworth
patent: 4561618 (1985-12-01), Zeigler
patent: 4627210 (1986-12-01), Beaulieu
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patent: 4809471 (1989-03-01), Wichman et al.
patent: 4986016 (1991-01-01), Wichman
patent: 5078284 (1992-01-01), Pirkl et al.
Berberding Philip C.
Sorenson Gary R.
Chilcot Jr. Richard E.
Skyline Displays, Inc.
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