Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Separate fastener held by penetrating fastener
Patent
1984-05-23
1986-03-11
Kelly, Donald G.
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Separate fastener held by penetrating fastener
52410, 52506, 52698, 411154, E04B 138, E04C 500
Patent
active
045745510
ABSTRACT:
A load-bearing square plate usable in conjunction with an anchor bolt to firmly secure a layer of thermal insulation material to a roof surface to prevent the layer from being blown away as a result of strong updrafts. The plate has a center hole for receiving the shank of the anchor bolt to be driven by a hammer into the roof. The plate is embossed to define both a raised hub which surrounds the hole to catch the head of the hammer when it drives in the bolt and thereby prevent overdrive thereof, and a plate-reinforcing pattern to resist flexure thereof omnidirectionally. This embossed pattern is constituted by a four-sided marginal frame adjacent the edges of the plate, a star formed by radial spokes of progressively diminishing width extending from the hub to the corners of the frame, and a cross formed by short ribs lying between the radial spokes and extending from the hub to the midpoints of the frame sides. The ribs in combination with the spokes and the frame sides create a symmetrical array of triangular trusses.
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Ebert Michael
Kelly Donald G.
Safavi Michael
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