EP0699866A1 - Fastening system for wall-mounted lamps - Google Patents

Abstract

The wall mounted light fitting fixing device includes the base plate (1) which is intended to be fixed to the wall by two screws (100) passing through slots (12) at either end of the plate. Recesses (11) are provided to receive the screw head. The plate is made of a thermally and electrically insulating material, with a hook (2) extending along its top edge. This allows a half-circular bowl to be attached in order to form an uplighter. Behind the base plate there is a cavity for the electrical connections, linking the fitting to wiring within the wall. A bulb socket (6) may be attached to a bracket (7) on the base plate.

Description

The present invention relates to a wall hanging system for a lighting wall lamp, and more specifically an indirect electric lighting wall lamp, made of staff or similar material.

The staff is a plaster-based material, reinforced with glass fibers.

The invention relates more precisely to the hanging of a wall lamp whose rear wall, that is to say the wall intended to be applied against the wall, has an opening, while the hanging system comprises a base intended to be fixed to the wall and part of which forms a retaining hook capable of cooperating with the upper edge of the opening to ensure the attachment of the wall lamp, this base being equipped with the electrical lighting device, which comes to position, after hanging, inside the wall lamp; the electric lighting device is intended to be connected, generally by means of a connector, to electric cables which exit from the wall in the fixing area of the base.

In a known attachment system of this type, which is described for example in document FR-B-2 595 771, the base is a sheet metal or plastics blade, double bent, fixed to the wall using screws. .

Such a system allows easy installation and removal of the wall lamp on the base, the opening in the rear wall of the wall lamp being of sufficient dimensions to allow the passage of the electric lighting device.

This known system nevertheless has certain drawbacks.

First, the electrical wires coming out of the wall, and which are connected to the lighting device, penetrate through the opening of the rear face into the interior space of the wall lamp. These wires, as well as their connection to the lighting device, are therefore exposed to relatively high heat given off by the lighting device. This can pose difficulties, especially when the wall lamp is installed in an old room, equipped with an obsolete and non-standardized electrical installation. Indeed, certain lighting devices, in particular halogen, produce very high heat, which can damage electrical wires, in particular by degradation of their sheath.

Furthermore, the ends of the wall electrical wires, and the connectors which ensure their connection with the lighting device being inside the wall lamp are directly accessible, in particular by children or people who wish to handle the device. lighting (for example to change a lamp), which constitutes a risk of electric shock.

Finally, the presence of an opening in the rear wall of the wall lamp detracts from its aesthetics, which is annoying when the wall lamp is in a position such that its interior part is visible, or partially visible; this is particularly the case when it is mounted on a staircase.

The object of the invention is to solve these problems.

This objective is achieved thanks to the fact that, according to the invention, the base is made of a thermally and electrically insulating material, and has a recessed rear face, the recess of which is directed towards the wall, which forms a receiving chamber for housing the electrical cables coming out of the wall, and for the connector ensuring the electrical connection between these cables and the lighting device carried by the base.

• le socle affecte la forme générale d'un coffret plat dont la face avant sert à la fixation du dispositif d'éclairage, et se prolonge vers le haut, au-dessus du niveau de l'évidement, par un rebord en saillie formant crochet de retenue ;
• la partie de la paroi arrière de l'applique qui est située au-dessus de l'ouverture forme une barrette dont l'épaisseur correspond, au jeu d'emboîtement près, à la distance séparant ledit rebord du mur ;
• l'épaisseur de la barrette est supérieure à celle du reste de la paroi arrière ;
• le socle et l'ouverture ont des contours de formes et de dimensions voisines, de sorte qu'après accrochage de l'applique sur le socle, la face avant du socle obture sensiblement l'ensemble de l'ouverture, assurant ainsi sur le plan visuel une continuité de surface de la paroi arrière de l'applique ;
• le socle se prolonge latéralement, de chaque côté de l'évidement, par des parties renfoncées présentant des ouvertures pour le passage de vis de fixation ;
• le dispositif d' éclairage est supporté par un étrier fixé à la face avant du socle ;
• le socle est percé d'un canal qui fait communiquer l'évidement avec l'avant du socle, et sert au passage de fils électriques reliant le connecteur au dispositif d' éclairage ;
• le matériau constitutif du socle est à base de staff ;
• le matériau constitutif du socle est un mélange de staff et de résine vinylique.

Furthermore, according to a certain number of advantageous, non-limiting characteristics of the invention:

• the base assumes the general shape of a flat box, the front face of which is used for fixing the lighting device, and extends upwards, above the level of the recess, by a projecting rim forming a hook detention ;
• the part of the rear wall of the wall lamp which is located above the opening forms a bar whose thickness corresponds, apart from the interlocking clearance, to the distance separating said edge from the wall;
• the thickness of the bar is greater than that of the rest of the rear wall;
• the base and the opening have contours of similar shapes and dimensions, so that after hanging the wall lamp on the base, the front face of the base substantially seals the entire opening, thus ensuring on the plane visual surface continuity of the rear wall of the wall lamp;
• the base is extended laterally, on each side of the recess, by recessed parts having openings for the passage of fixing screws;
• the lighting device is supported by a bracket fixed to the front face of the base;
• the base is pierced with a channel which communicates the recess with the front of the base, and is used for the passage of electrical wires connecting the connector to the lighting device;
• the material of the base is staff-based;
• the material of the base is a mixture of staff and vinyl resin.

Other characteristics and advantages of the invention will appear from the description and the appended drawings which represent a preferred embodiment.

• la figure 1 est une vue en perspective, avec arrachement partiel, d'un socle constitutif d'un système d'accrochage conforme à l'invention ;
• la figure 2 est une vue similaire en perspective, mais à échelle réduite, de l'applique destinée à être mise en place sur le socle de la figure 1 ;
• la figure 3 est une vue en coupe transversale, par un plan vertical perpendiculaire au mur, du système d'accrochage des figures 1 et 2, l'ensemble étant fixé à un mur ;
• la figure 4 est une vue de dessus partielle, coupée par un plan horizontal passant par l'axe des vis de fixation du socle, de l'ensemble de la figure 3.

In these drawings:

• Figure 1 is a perspective view, partially broken away, of a base constituting a fastening system according to the invention;
• Figure 2 is a similar perspective view, but on a reduced scale, of the wall lamp intended to be placed on the base of Figure 1;
• Figure 3 is a cross-sectional view, through a vertical plane perpendicular to the wall, of the attachment system of Figures 1 and 2, the assembly being fixed to a wall;
• FIG. 4 is a partial top view, cut by a horizontal plane passing through the axis of the base fixing screws, of the assembly of FIG. 3.

FIG. 1 represents a base 1 obtained by molding a material having high thermal and electrical insulation coefficients. It is preferably a material based on staff, that is to say plaster reinforced with glass fibers, having a relatively high mechanical strength, for example by mixing the staff with vinyl resin.

The base 1 has the shape of a small flat box having a generally rectangular outline whose length is substantially greater than the width, the long sides being intended to be placed horizontally when the base is fixed to the wall.

In the embodiment shown, the lower edge 15 of the base is slightly arched, convexity pointing downwards. The front face 10 - that is to say the face intended to remain visible - is smooth and flat. The opposite face, intended to come to bear against the wall, is hollowed out by a recess 3 which occupies almost the entire dorsal part of the base.

This base 1 has a symmetrical shape with respect to a vertical median plane, perpendicular to the face 10.

It is extended laterally, on each side of the recess 3 - and beyond it - by recessed portions 11, hollowed out in the face 10, which have openings 12 for the passage of fixing screws 100. In the example shown, the openings 12 are horizontal slots, which open laterally outward.

In one possible embodiment, it would be possible to provide a horizontal slot on one side and a vertical slot on the other, to allow good horizontal alignment of the base, even if the holes receiving the screws are not drilled at the exact dimension.

The front face 10 is extended upwards, above the level of the recess 3, by a protruding rim 2, which will serve to retain the wall lamp. The upper face 20 of the base, located behind the rim 2, is flat.

On the front face 10 is fixed a stirrup 7 serving to support the electric lighting device.

In the embodiment shown, the stirrup 7 is a metal blade bent in the shape of an "L" . One of its wings, referenced 70, is arranged horizontally and fixed, for example by means of rivets 73, against the face 10.

The other wing 71 therefore extends perpendicularly to the face 10. In a well known manner, this stirrup 7 is mounted in the vicinity of one of the edges of the base, so that the lighting device can extend horizontally along almost the entire length of the base.

In the embodiment shown, the lighting device is incandescent, and comprises a socket 6, for example with a screw, which receives the base of a bulb 60.

In Figure 1, there is simply shown the sleeve 6 in broken dashed lines so as not to unnecessarily hide the rest of the elements of the figure.

The sleeve is fixed to the branch 71 of the stirrup 7 by usual means such as screws 72 (see FIG. 4).

The wall lamp 4 illustrated in FIG. 2 is a staff wall lamp, of the usual type, essentially comprising a front wall 43 in the form of a shell, and a flat rear wall 40.

The assembly has the general configuration of a pocket intended to receive the lighting device, this pocket being open upwards so as to allow an indirect diffusion of the light.

In the rear wall 40 there is an opening 5 which has a horizontal rectilinear upper edge 50 and an arcuate lower edge 51, the outline of this opening 5 being substantially identical - apart from the interlocking play - to that of the base 1.

It should be recalled in this regard that the scale of Figure 2 is smaller than that of Figure 1, to allow a better presentation of the drawings.

The upper part of the rear wall 40, which is located above the opening 5, has been designated by the reference 41. The part 41 has a central zone 42 in the form of a bar, the thickness of which is substantially greater than 1 thickness of the rest of the rear wall 40.

This thickness corresponds, apart from the interlocking clearance, to the distance which separates the projection 2 from the wall, when the base is applied against the wall.

As seen in Figures 3 and 4, one of the side partitions bordering the recess 3 is pierced with a channel 30 which ensures communication between the recess 3 and the front space of the base. This channel is used for the passage of electrical wires 90 which are appropriately connected to the socket 6 and are intended to be connected to the wall electrical wires, that is to say leaving the wall receiving the wall lamp.

These Figures 3 and 4, to which we will now refer more particularly, allow a good understanding of the way in which the wall hanging of the wall lamp is carried out.

The wall receiving the wall lamp has been designated by the reference M. By "wall" means any vertical surface of a dwelling or any other room, such as an interior partition or a load-bearing wall in particular.

From the wall M comes out, in the usual way, a cable 8 formed of electric conductive wires 80 connected to the sector; in general they supply an alternating current of 240 Volts, of frequency 50 Hertz.

The wires 80 are two or three in number, depending on whether or not there is a ground wire.

The base is delivered to the user already equipped with the socket 6 and the electric wires 90 which supply it. These wires pass inside the passage 30 and are connected on the one hand to the socket 6, on the other hand to a connector 9 of known type - for example of the "domino" type - which is located on the dorsal face of the base 1, inside the recess 3. It should be noted that the electrical wires 90 being delivered by the manufacturer of the wall lamp, the latter has the possibility of providing good quality wires, conforming to modern standards for which is particularly their longevity and good resistance to high temperatures.

This is not the case for electrical wires 80, the quality of which is variable, and is not controlled by the manufacturer of the wall lights.

To set up the base, the operator begins by suitably connecting the wall wires 80 to the connector 9, thus ensuring the connection of the lighting device to the mains.

He takes care to accommodate the excess lengths of wires 80 and 90, as well as the connector 9 in the recess 3, then fixes the base in the usual manner against the wall M using the screws 100, if necessary by the intermediate pegs (not shown) previously placed in wall holes.

Once the base 3 is suitably fixed to the wall M , the operator sets up the wall lamp on the base, presenting the opening 50 of the rear wall of the wall lamp opposite it.

The opening 5 is slightly oversized in the direction of the height relative to the base, which makes it possible to overlap the projection 2 during this positioning; the socket 6, the overall dimensions of which, both lateral and in height, is less than that of the base, does not hinder the operation.

Once the rear face of the wall lamp has come into contact with the wall M , by a slight displacement of the wall lamp downwards, the bar 42 is trapped behind the projection 2, against the upper face 20 of the base.

Thus, the wall lamp is perfectly retained against the wall.

To remove the wall lamp, simply lift it slightly and move it away from the wall, using a reverse movement.

Once the wall lamp is in place, simply insert the bulb 60 into the socket 6, and the assembly is ready to operate.

It can be seen that the electrical wires 80, the quality of which is not under control, as well as the electrical connection member 9 are hidden and protected inside the delimited chamber, on the one hand by the bottom and the edges of the recess 3 and, on the other hand, by the face of the wall M.

These elements are therefore thermally and electrically isolated from the heat source 60. Furthermore, they are not accessible, and cannot be unexpectedly handled, in particular by children.

For an observer who would have a glance at him, allowing him to see the rear wall of the wall lamp, it presents a visual continuity which is pleasant on the aesthetic level.

Indeed, the base 2 almost completely closes the opening 5 (with the exception of the lower zone of this opening), so that the flat face 10 is integrated practically without any solution of visual continuity to the rest 40 of Wall.

In this regard, it should be noted that the reinforced staff, with vinyl resin constituting the base 2, which is chosen because of its better mechanical strength, necessary to ensure its function of hanging the wall lamp and to absorb the efforts of tightening exerted by screw 100, has a surface appearance quite similar to that of the ordinary staff constituting the wall lamp.

It would not, of course, depart from the scope of the invention to provide the base with a lighting device other than incandescent lighting, in particular a halogen system.

Although the invention has been described with reference to an embodiment which relates to a wall lamp for a flat wall, it goes without saying that the invention can also be used for corner wall lamps.

In this case the base will have a central part in the form of a box, carrying the hooking projection of the wall lamp, and extending laterally by wings at 135 ° intended to be fixed each to one of the corner walls. This central part will have a flat front face (arranged at 45 ° relative to the walls) and a hollowed back face of the recess used to receive and house the wall wires.

Claims (10)

Wall hanging system for lighting wall lamp in staff or similar material, the rear wall (40) of which has an opening (5), comprising a base (1) intended to be fixed to the wall (M) and of which a part ( 2) forms a retaining hook capable of cooperating with the upper edge (50) of the opening (5) to secure the attachment of the wall lamp, this base (1) being equipped with an electric lighting device ( 6, 60) coming to position, after hanging, inside the wall lamp and intended to be connected by means of a connector (9) to electrical cables (80) coming out of the wall (M) in the area of fixing of the base (1), characterized in that the said base (1) is made of a thermally and electrically insulating material, and has a recessed rear face, the recess (3) of which is directed towards the wall (M), which forms a receiving chamber for housing said electrical cables (80), and said connector (9). System according to claim 1, characterized in that the base (1) assumes the general shape of a flat box, the front face (10) of which serves to fix the lighting device (6, 60), and extends upwards, above the level of the recess (3), by a protruding flange (2) forming a retaining hook. System according to claim 2, characterized in that the part of the rear wall (40) of the wall lamp which is located above the opening (5) forms a strip (42) whose thickness corresponds to the nesting game near, at the distance separating said edge (2) from the wall (M). System according to claim 3, characterized in that the thickness of the bar (42) is greater than that of the rest of the rear wall (40). System according to one of claims 2 to 4, characterized in that the base (1) and the opening (5) have contours of similar shapes and dimensions, so that after hanging the bracket on the base, the front face (10) of the base substantially closes the whole of the opening (5), thus ensuring visually a surface continuity of the rear wall (40) of the wall lamp. System according to one of claims 1 to 5, characterized in that the base (1) is extended laterally, on each side of the recess 3, by recessed portions (11) having openings (12) for passage of fixing screws (100). System according to one of claims 1 to 6, characterized in that the lighting device (6, 60) is supported by a bracket (7) fixed to the front face (10) of the base. System according to one of claims 1 to 7, characterized in that the base (1) is pierced with a channel (30) which communicates the recess (3) with the front of the base, and is used for the passage of electric wires (90) connecting the connector (9) to the lighting device (6, 60). System according to one of claims 1 to 8, characterized in that the material of the base (1) is based on staff. System according to claim 9, characterized in that the material of the base (1) is a mixture of staff and vinyl resin.

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