Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1990-07-12
1992-05-26
Scherbel, David A.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
52109, 40610, 403171, 403176, E04H 1218, G09F 1500
Patent
active
051156237
DESCRIPTION:
BRIEF SUMMARY
This invention relates to an easy-to-build, hinged three-dimensional display system primarily intended for advertising and display purposes, built of bars or tubes and connecting pieces, whereby the bars or tubes are pivoted to each other in pairs at their mid-points and forming crossing diagonal struts.
Advertising and display systems are previously known from, for example, Swedish patent application 8601109-5, as well as from European patent application 83105864.9, and from U.S. Pat. No. 4,276,726. These previously known display systems are plagued by a number of troublesome disadvantages. One important disadvantage is the fact that the construction of these previously known systems is such that illustration material can be hung on their outer surfaces only. It is therefore not possible in any way to set up, inside the external framework, shelves, etc., for devices such as TV receivers and accompanying video tape recorders, which are an essential part of modern display techniques, and in appropriate cases for exhibits. Additional shelves have so far generally been set outside the display system, which has had the result that the centre of gravity has often been outside the wall itself. Consequently, the system, as described, for example, in EP-A-83105864.9, FIG. 2, must be bent to avoid the risk of tipping. Connecting pieces occurring in these previously known devices are also annoyingly large, and the construction of the entire device becomes very complicated with numerous diagonal pieces.
An object of this invention is to produce a display system which avoids the above-mentioned disadvantages and which is very easy to build, and in the mounted form very easy to fold and unfold, at the same time that its transportation dimensions are very small, whereby the joint pieces are designed so that they have no detrimental effect on the function of the system as a display system. It should also be easy to supplement the system with attachments such as shelves, spotlights etc. at the same time that illustration material should be easy to attach to the display system.
According to the present invention there is provided an easy-to-build, hinged three-dimensional display system primarily intended for advertising and display purposes, constructed of bars or tubes and connecting pieces, the bars or tubes being pivoted to each other in pairs at their mid-points and forming crossing diagonal struts in the display system, wherein each pair of diagonal bars or tubes is either on a mutually parallel, horizontal plane or on a vertical plane that is at right angles to the former. The system is braced vertically by easily mountable and dismountable struts which are attached on the outside of the display system on and between adjacent connecting pieces and on the outward-facing side of which pictures, illustrative material etc. can be attached. Each connecting piece includes a central part, one end of the central part being provided, in an offset, tetraskelian configuration, with four tangentially protruding pivot pins, which are shifted 90.degree. in relation to each other and which are designed to be inserted in holes arranged transversely through the ends of the tubes or bars, whereby the length of the pivot pins somewhat exceeds the thickness of the tubes or the bars, the bars or tubes can be locked to the pivot pins by means of easily insertable locking devices, and the other end of the central part is provided with quick-coupling devices for the fastening of the vertical struts.
The invention will now be described in more detail, by way of example only, with reference to the accompanying drawings in which:
FIG. 1 shows a connecting piece according to the invention seen from the side (in a position of use);
FIG. 2 shows the same connector seen from the side, but turned 90.degree.;
FIG. 3 shows the same connector seen from above;
FIG. 4 shows the same connector seen from the third side, turned away from the system;
FIG. 5 shows the joint piece in perspective with the basic construction elements that are part of the syste
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Nguyen Kien
ODC Exhibit Systems Ltd.
Scherbel David A.
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