Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1986-09-17
1988-01-26
Murtagh, John E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
52 90, 52720, E04C 208, E04B 140, E04D 330
Patent
active
047209569
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a plate intended to be fitted to an anchoring profile connected with a support and to carry another plate profile in the region of its upper end.
Constructions of roofs with a slight fall, usually at multifamily houses, are frequently made both in new construction and reconstruction works. A frame of crossbars resting on joists or the like is then erected. A protection against condensation, e.g. in the form of fibre boards, is thereafter placed on the upper side of the frame of crossbars. The outer roof covering is then laid on top of said condensation protection. Said frame of crossbars must be stayed in different directions in order to absorb the appearing loads, e.g. snow and wind.
It is the object of this invention to provide a plate profile of the kind indicated above which is included as an essential component of a construction replacing the above-mentioned frame of crossbars known. The plate profile of the invention provides staying in two directions perpendicular to each other of the further plate profile supported in the region of its upper end. The further plate profile supports the protection against condensation and the outer roof covering. According to a preferred embodiment of the invention it is started from a rectangular sheet billet in manufacture of the profile of the invention.
A further object of this invention is to provide anchoring of the plate profile to the underlying anchoring profile. Said anchoring is extraordinarily simple and quick simultaneously as the adjusting possibilities of the position of the plate profile relative to the anchoring profile are good afterwards.
The objects of the invention are realized by means of a plate profile which has been given the characteristic features defined in the following claims .
An illustrated example of the invention will be described below with reference to the enclosed drawings, in which
FIG. 1 is a perspective view of an embodiment of a plate profile of the invention, and
FIG. 2 is a section of a lateral view of a plate profile according to the invention.
The plate profile 1 shown in FIG. 1 comprises a central portion 2 having the basic shape of a trapezoid with upwardly decreasing width. Two lateral portions 3 which narrow off downwards are connected to the lateral edges of the central portion 2. The lateral portions 3 have stiffening members 4 folded at right angles at their edges turned from the central portion 2. In the region of their upper ends the lateral portions 3 bear against the inside of the web 6 of a hat profile 5 and are connected with these by way of attaching means 7 which for instance can be plate skrews or rivets.
The upper limiting edge of the central portion 2 is of such a length that it fits to bear against the upper flange of the hat profile 2.
As the plate profile 1 according to FIG. 1 is made of a rectangular billet the height of the lateral portions 3 will decrease in a direction away from the central portion 2.
As is apparent from FIG. 1 the plate profile 1 is received in the lower end of the figure in a U-shaped anchoring profile 8 comprising a bottom 9 and two side walls 10. A longitudinal folding 11 which is directed outwards in respect of the center of the anchoring profile 8 is arranged in the region of the free ends of the side walls 10.
Tongues 12 or the like, see also FIG. 2, are punched in the region of the lower part of the plate profile 1.
As is apparent from FIG. 2 the tongues 12 are made so that they have an upwardly directed free edge cooperating with the folding 11, see FIG. 1, in order to anchor the profile 1 in the anchoring profile 8.
By the special embodiment of the plate profile 1 it will absorb forces in two directions perpendicular to each other, forces in the longitudinal direction of the plate profile 5 substantially being absorbed by way of the trapezoidal lateral portions 3 which bring down said forces to the anchoring profile 8 while forces transversely to the longitudinal direction of the hat profile 5 are substantially absorbed by the central portion 2 w
REFERENCES:
patent: 1611715 (1926-12-01), Bonsall
patent: 1886478 (1932-10-01), Ragsdale
patent: 1909930 (1933-05-01), De Ridder
patent: 3427767 (1969-02-01), Schaefer
patent: 3656270 (1972-04-01), Phillips
patent: 4620397 (1986-11-01), Simpson
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