Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1990-01-17
1992-09-08
Scherbel, David A.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
403245, 403240, 403171, E04H 1218
Patent
active
051447843
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a wall with elongate members which are connected to one another by means of junction pieces, each elongate member having a tubular portion and at least one endpiece, and part of the endpiece being located in the tubular portion.
A wall of this type is already known. The junction piece of this wall has a virtually square contour in a plan view. On the circumferential region of this basic body, two axle portions are formed on each side, a bar-shaped element being fastened in each of these axle portions. The endpiece of each elongate member of this known wall has two halves, the longitudinal axis of this member lying in the parting plane of the endpiece halves. The endpiece connection part located in the tubular portion is equipped with a hinge, by means of which the two endpiece halves are connected to one another. In this endpiece portion there is, between the said halves, a spring which presses the endpiece halves apart from one another and which also carries a projection. This projection passes through one of the endpiece halves and, in the non-actuated state, also through an orifice in the tubular portion of the elongate member. The ends of the endpiece halves which are located outside the tubular portion are each equipped with a half-shell. One of the bar-shaped elements of the junction piece can be clamped between these half-shells.
In the assembled state, the connection part of the endpiece is located in the tube and this tube presses the endpiece halves together. Consequently, the bar-shaped element of the junction piece located between the two half-shells is clamped between the half-shells. When the connection between the junction piece and the elongate member is to be broken, the projection is pressed down until it comes out of the orifice in the tubular portion. The endpiece can then be drawn out of the tubular piece. The spring mentioned causes the half-shells to move away from one another and the bar-shaped element of the junction piece thereby comes free
A disadvantage of this known wall is, for example, that the endpiece has to be pulled out of the tube so that the connection between the junction piece and the respective elongate member can be broken. On the other hand, to make such a connection, the endpiece has to be inserted into the tube, and for this the projection has to be pressed down with a finger. This can sometimes cause injury to the hand of the person building the wall. Furthermore, signs of wear in the endpiece made of plastic can occur if this has to be inserted several times into the tubular portions made of metal. Where a large wall and therefore a large number of connection points are concerned, the assembly and dismantling of this wall can be complicated, etc.
The object of the present invention is to eliminate this and other disadvantages of the known wall.
In the wall of the generic type mentioned in the introduction, this object is achieved by means of a measure which is defined in the characterizing clause of claim 1.
Exemplary embodiments of the present invention are explained in detail below by reference to the accompanying drawings. In these:
FIG. 1 shows the present wall in perspective,
FIG. 2 shows a side view of one of the junction parts of the present wall,
FIG. 3 shows a side view of one of the end parts of one of the elongate members which likewise form integral parts of the wall according to FIG. 1,
FIG. 4 shows a top view of the end part according to FIG. 3,
FIG. 5 shows a rear view of one of the junction pieces of the wall according to FIG. 1,
FIG. 6 likewise shows a perspective view of one of the junction parts of the wall according to FIG. 1,
FIG. 7 shows a perspective view of a hinge of the present wall which is also shown in FIG. 6,
FIG. 8 shows a top view of the hinge according to FIG. 7,
FIG. 9 shows a perspective view of a second embodiment of the said hinge, and
FIG. 10 shows a perspective view of a third embodiment of the said hinge.
The wall according to FIG. 1 has rigid elongate members 1. These members 1 form pairs
REFERENCES:
patent: 3975872 (1976-08-01), Pinero
patent: 4131376 (1978-12-01), Busse
patent: 4473986 (1984-10-01), Zeigler
patent: 4512097 (1985-04-01), Zeigler
patent: 4637180 (1987-01-01), Zeigler
patent: 4658560 (1987-04-01), Beaulieu
patent: 4679961 (1987-07-01), Stewart
patent: 4809471 (1989-03-01), Wichman et al.
patent: 4838003 (1989-06-01), Zeigler
patent: 4846204 (1989-07-01), Kyu
Scherbel David A.
Smith Creighton
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