Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1983-02-22
1985-02-19
Scott, Samuel
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126450, F24J 302
Patent
active
044998929
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an arrangement of slat screens for solar protection of the type provided with girders having slat holders which carry slats which are located at a distance from each other and which together form screens which intercept the sun's rays in a predetermined angular zone.
BACKGROUND
The method is known of designing screens which are intended to be mounted on facades and to prevent solar irradiation through the facade windows, at least for certain angles of incidence of the sun's rays. The known type of such sun screens to which the present invention relates is provided with a number of slats which are supported at intervals by girders and which together form an obstacle to the rays of the sun within the predetermined angular zone.
TECHNICAL PROBLEM
It is obviously desirable that such a sun screen, whilst satisfying the functional need imposed and complying with the necessary strength requirements, should be capable of being produced at an acceptable cost and in such a manner that to the largest possible extent standardised components can be employed for constructing the different types of sun screen required for different installation purposes.
THE SOLUTION
On the sun screen the supporting girders have projections on the slat holders, with surfaces which are directed away from each other and which slope in such a way in relation to each other that they form an entry portion, which opens out, and which is terminated inwards by means of grooves. Each of the slats includes a fixture provided with two oppositely-facing flanges with outer hook-projections. The distance between the flanges is so chosen that the hook-projections can be offered up to the entry portion and, during the bending of the flanges, be made to pass the widest part of the entry portion so that the hook-shaped projections will snap down into the grooves so that the slat is held in place by this means. Furthermore it is intended that the slats should be provided with a longitudinal tubular section designed to be traversed by a fluid, by means of which heat formed in the event of solar radiation against the slats can be dissipated because the slats are connected to a piping system for the fluid.
ADVANTAGES
By means of the invention a sun screen is provided which enables many types and sizes to be constructed using a few standard components and with the minimum possible amount of erection work. Furthermore the sun screen can be designed for a further purpose apart from solar screening, namely the interception of solar energy.
BRIEF DESCRIPTION OF DRAWINGS
The invention is shown on the appended drawings.
FIG. 1 shows in detail a solar screen in an initial embodiment in side view;
FIG. 2 shows a section appertaining to the solar screen;
FIGS. 3, 4 and 5 illustrate three further types of solar screens which are made up of essentially the same components as that illustrated in FIG. 1;
FIG. 6 illustrates a slat of a design different from the slats shown in FIG. 1, with a view of a section along the line VI--VI in FIG. 7, whilst
FIG. 7 shows an end view along the line VII--VII of two of the slats in accordance with FIG. 6.
BEST MODE OF CARRYING OUT THE INVENTION
In FIG. 1 the dash-dotted lines illustrate a house facade 1. Two fixtures 2 and 3 are mounted on the latter. Fixture 2 supports by means of bolts 4 a girder 5. By means of a bolt 6 the fixture 3 supports a stay 7 which by means of bolts 8 holds the girder 5 in the horizontal position. The stay 7 consists of a T-section with a web 9 which is cut off above the flange 10 of the section at the ends so as to form tongues, through which extend holes for the bolts 6 and 8 and against the outsides of which the heads of the bolts can rest.
The profile of the girder 5, as shown in FIG. 2, has a groove 11 which is open at the top inside flanges 12 which extend inwards together with a section 13 which is a closed cross section. This section 13 has a lower face 14 with two shallow grooves 15. The flanges 12 of groove 11 are employed for holdin
REFERENCES:
patent: 4222368 (1980-09-01), Rost
Gasparini Aldo
Wimnell Nils-Erik
Anderson G.
Scott Samuel
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