Static structures (e.g. – buildings) – Inclined top cover – On existing roof
Patent
1977-09-09
1978-08-15
Perham, Alfred C.
Static structures (e.g., buildings)
Inclined top cover
On existing roof
52278, 52282, 52537, E04B 702
Patent
active
041062450
ABSTRACT:
A series of rectangular roof panels and rectangular wall panels each include inner and outer corrugated sheet metal skins which are rigidly secured by fasteners to opposite sides of formed sheet metal longitudinally extending spacer members rigidly connected by formed sheet metal laterally extending spacer members. A formed sheet metal box-type ridge beam and a series of fasteners rigidly connect the inner skins and spacer members of the roof panels on opposite sides of the ridge to transmit tension forces, and a compressive wedge and fasteners rigidly connect the outer skins and spacer members of the roof panels for transmitting compression forces. Inclined inner attachment plates and fasteners rigidly connect the inner skins and spacer members of the roof panels to the inner skins and spacer members of the wall panels, and outer attachment plates and fasteners rigidly connect the spacer members of the roof panels to the outer skins and spacer members of the wall panels to form a building structure which has substantial total strength and can be easily and quickly erected without the use of a crane.
REFERENCES:
patent: 1447966 (1923-03-01), Davidson
patent: 1840041 (1932-01-01), Kellogg
patent: 2175653 (1939-10-01), Williams
patent: 2439095 (1948-04-01), Mitchell
patent: 2480699 (1949-08-01), Black
patent: 2742114 (1956-04-01), Behlen
patent: 3203145 (1965-08-01), Raynes
patent: 3308596 (1967-03-01), Cooper et al.
patent: 3492765 (1970-02-01), Behlen
patent: 3500596 (1970-03-01), Anderson
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