EP1624429A2 - Display system - Google Patents

Abstract

The device has a fixing unit (2) for fixing the device to an upper part of a building, and a horizontal poster support (3) equipped with a fixing unit (4) for fixing an AF display. An elastic cord (6) connects the fixing unit (2) to the poster support, such that one length of the elastic chord defines a display position and another length greater than the former length defines a display change position.

Description

TECHNICAL FIELD OF THE INVENTION

The invention relates to a display device. In particular, the invention relates to a display device for a poster intended to be positioned in height. The invention finds particular application in the field of equipment for the distribution of goods, such as posters hanging on building elements (a ceiling, a beam, etc ....).

STATE OF THE ART

Figure 1 schematically illustrates a display device according to the prior art and its application in the field of large-scale distribution, that is to say stores such as supermarkets, hypermarkets, etc .... Generally, these stores include shelves or linear made of modular furniture MM (gondolas, gondola heads, displays ....) in which are arranged the goods for sale.
Information relating to promotions, communication campaigns, etc ..... are usually written on AF posters suspended above the aisles, for the widest possible attraction of CO consumers.

Posters hanging in the shops can be pierced and directly hooked to the ceiling of the store. They can also be maintained by PA posters hanging on the ceiling PL. Poster holders give the poster a better hold.
The most economical poster holders can be simple plastic profiles, in which are slipped posters with high edges are stapled.
The most qualitative poster holders can consist of metal bars and transparent pockets.
These posters require frequent changes, the pace of promotions, communication campaigns they put forward. The poster changes are made by an operator using a stepladder, a large pole or an elevator equipped with a nacelle. These poster changes have the disadvantage of being slow, cluttering the aisles and require equipment. In addition, concerning the operator, they can be painful and even risky (fall).

A first known solution relates to the type of motorized door holders and controlled remote or by a telescopic rod. This solution has the disadvantage of being expensive, heavy and subject to maintenance to prevent breakdowns of the motorization mechanism.

A second known solution relates to the mechanical or manual type of display carriers, for example of the type described in US Patent 4,434,570. This display has two cables and a roller operating according to the principle of a roller blind. This solution has the disadvantage of being expensive and unreliable (risk of inadvertent rise from the low position, high and low positions reached with risk of stops on undesired intermediate positions, loss of time for the operator).

SUMMARY OF THE INVENTION

An object of the invention is to provide a display device for solving at least one of the problems of display systems of the prior art.

According to the invention the display device comprises a first fixing means of the display device, in particular for attachment to a high building element, and a substantially horizontal display support provided with a second fixing means for a poster. It further comprises an elastic cord coupling the first fixing means of the display device to the support so that a first length of the elastic cord defines a display position and a second length greater than the first length defines a position of poster change.

The first length may correspond to a first elongation of the weak elastic cord (in this case the elastic cord is prestressed), or may be zero or almost zero (in this case the first length corresponds to the elastic cord at rest). The second length corresponds to an extension of the rope to reach the position of change of poster. The elastic cord is chosen so that its characteristics (elasticity, restoring force, maximum elongation without deterioration, etc.) are compatible with this use.

According to a first embodiment, the elastic rope comprises two ends fixed to the fastening means of the display device, at least one winding the poster support on substantially a length of the poster support, the elastic cord being wound with prestressing manner and exerting a restoring force greater than the weight of the poster support provided with a poster. Advantageously, the poster support comprises an H-shaped profile.

According to a second and a third embodiment, the display device also comprises a holding means in the display position, the elastic cord exerting a restoring force less than the weight of the poster support provided with a poster.

According to the second embodiment, the display device comprises a holding means in the form of a magnetic support cooperating with the first fixing means of the display device for holding the display device in the display position by magnetization.

According to the third embodiment, the display device comprises a holding means in the form of a latch in the form of a harpoon-shaped support cooperating with the first fixing means of the display device to maintain the display device in display position by mechanical engagement. The latch can advantageously be made according to several variants.

More specifically, for the first embodiment, the poster support may comprise an H-shaped poster profile comprising a horizontal wall on which is wound at least once the elastic cord, and two side walls fixed to the wall. horizontal defining in a lower part a first slot and a housing constituting the second fastening means for a poster, and in an upper part a second slot for the passage of the elastic cord.
The fixing means of the display device may be wider than the second slot for the passage of the elastic rope so that the elastic rope is wrapped around the profile prestressedly.

More specifically, for the second embodiment, the first fixing means of the display device may comprise a metal tube, the magnetic support comprising two metal blades enclosing a series of magnets and the second fixing means for a poster.

More specifically, for the second and third embodiments, the holding means is a latch comprising the poster support in the form of at least one harpoon-shaped piece cooperating with the first fastening means of the device. display in the form of a tube having two flanks articulated around hinges and a slot substantially diametrically opposite the hinges for holding the display device in the display position by mechanical engagement of the harpoon-shaped piece in the tube.
Alternatively, the holding means is a latch comprising the poster support in the form of at least one harpoon-shaped piece cooperating with the first fixing means of the display device in the form of a tube provided with a stopper at each of its ends, the stopper having two flanks articulated around hinges, the tube being provided with a slot substantially diametrically opposite the hinges for holding the display device in the display position by mechanical engagement of the workpiece. harpoon shape in the cork.
Alternatively, the holding means comprises a single piece shaped harpoon in the form of a single section having a length substantially equal to the length of the tube.

Consequently, the display device of the invention has the advantage of proposing mechanical-type poster holders with a minimum additional cost compared to existing basic sign-holders (ie those which do not make use of motorization or reel systems).
The display device of the invention advantageously makes it possible to adapt to posters of various weights.
The invention makes it possible to exploit the fact that the posters hanging in the various supermarket chains have a low edge between 2m and 2m40. Therefore, with the invention an operator can reach a poster simply by raising the arm, or with the help of an instrument (for example a forceps) of a few decimeters and change the poster without any other equipment.
In addition, with the invention, the change of large poster can be done simply and more conveniently soil.

DESCRIPTION OF THE FIGURES

• la figure 1 illustre schématiquement un magasin comportant des mobiliers et un dispositif d'affichage selon l'art antérieur;
• les figures 2.A et 2.B représentent des vues détaillées d'un dispositif d'affichage selon le premier mode de réalisation de l'invention;
• la figure 3 illustre en vue éclatée un dispositif d'affichage selon le second mode de réalisation de l'invention;
• la figure 4.A illustre en vue éclatée un dispositif d'affichage selon le troisième mode de réalisation de l'invention;
• la figure 4.B représente une vue détaillée d'une extrémité du dispositif d'affichage conformément à la Figure 4.A;
• les figures 5.A et 5.B représentent une vue détaillée de chacune des extrémités du dispositif d'affichage selon une variante particulière du troisième mode de réalisation de l'invention.

The present invention is illustrated by non-limiting examples in the accompanying figures, in which like references indicate similar elements:

• Figure 1 schematically illustrates a store with furniture and a display device according to the prior art;
• Figures 2.A and 2.B show detailed views of a display device according to the first embodiment of the invention;
• FIG. 3 is an exploded view of a display device according to the second embodiment of the invention;
• Figure 4.A illustrates in exploded view a display device according to the third embodiment of the invention;
• Figure 4.B shows a detailed view of one end of the display device according to Figure 4.A;
• Figures 5.A and 5.B show a detailed view of each of the ends of the display device according to a particular variant of the third embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION

FIG. 1 has already been described in relation with the prior art presentation relating to a display device according to the prior art.

• une affiche peut désigner:
  • une pochette sous la forme d'une feuille plastique transparente découpée et pliée, dans laquelle vient s'insérer une affiche nue,
  • une plaque plastique ou métallique sur laquelle est fixée une pochette ou directement une affiche nue,
  • une affiche nue en papier, plastifiée, carton, plastique souple, ou plastique rigide, ardoise, pouvant comporter des éléments interchangeables (lettres et chiffres à picots, zones d'écriture, etc....)
• un élément haut de bâtiment peut désigner:
  • bâti placé en hauteur permettant la suspension d'une affiche au dessus du sol du bâtiment,
  • un plafond,
  • une poutre, ou
    Un élément haut peut également désigner l'ensemble formé par un des éléments précités muni d'une tige, d'un câble, d'un crochet, d'un piton, d'un anneau, d'un mousqueton, d'un cavalier de fixation, etc....
• une corde élastique peut désigner:
  • un sandow (marque déposée), ou
  • une sangle, un tendeur ou un câble élastique.
    De préférence, la corde élastique présente un allongement de l'ordre de 250% et une force de rappel faible.

Throughout the following description, the following terms will be used in their broadest sense:

• a poster may designate:
  • a pocket in the form of a transparent plastic sheet cut and folded, in which is inserted a naked poster,
  • a plastic or metal plate on which is fixed a pocket or directly a naked poster,
  • a naked poster made of paper, laminated, cardboard, flexible plastic, or rigid plastic, slate, which may include interchangeable elements (letters and numbers with pins, writing areas, etc.)
• an upper building element may designate:
  • frame placed high enough to suspend a poster above the building floor,
  • a ceiling,
  • a beam, or
    A high element may also designate the assembly formed by one of the aforementioned elements provided with a rod, a cable, a hook, a stud, a ring, a carabiner, a rider fixing, etc.
• an elastic cord may designate:
  • a bungee cord (trademark), or
  • a strap, a tensioner or an elastic cable.
    Preferably, the elastic rope has an elongation of the order of 250% and a low restoring force.

Figures 2.A and 2.B show a display device according to the first embodiment of the invention.

The display device 1 comprises a profile 3. The profile may be made of plastic or metal. The profile has a shape substantially in H. The profile 3 is provided in its lower part 3A, a fixing means 4 for a poster. In the example shown, this fixing means takes the form of the side walls of the profile forming a housing and a slot. A poster (not shown) is held by its top edge in the housing.
For example, the top edge of the poster is previously stapled, then inserted transversely within the profile, through the slot in the housing. The staples prevent the poster from passing through this slot.
The profile may also be provided with a pinching portion (for example mobile around a co-extruded flexible hinge, with a hard point passing), gripping blades (coextruded flexible material), rollers, or any other known fastening means.

The profile 3 comprises, in its upper part 3B, side walls and a second slot 9.

The display device 1 also comprises an elastic rope 6. The elastic rope is wrapped around a horizontal and central wall 7 of the H-shaped section 3. In the example presented, the elastic rope is wound so that 3 passages are made around the horizontal wall of the profile. Both ends of the elastic cord are provided with a fastening means 2 to a top building element (for example the ceiling PL of Figure 1). The elastic rope makes it possible to couple the profile 3 to the fastening means 2. The fastening means presented is a fastener intended to be fixed to fastening means (for example rods, cables, hooks, etc.). The two ends provided with their respective fasteners open above the horizontal and central wall 7.
The winding of the elastic rope 6 around the wall 7 is masked by the side walls of the upper part 3B of the profile.
The windings of the elastic cord allow to claim the elastic rope ensuring the recall of posters of different weights.
Two symmetrical clearances 8, 8 'are formed on the wall 7. The elastic cord is wound between these two clearances. Therefore, the fasteners 2 are not necessarily at the ends of the profile, and the ends of the winding of the elastic rope 6 are completely hidden. Advantageously, the two clearances 8, 8 'can be made with fillet by a simple machining so that the elastic rope is protected from any sharp angle, thus limiting its wear by friction.
According to a variant not shown, this machining can be avoided, by winding the elastic rope between inserts attached to the profile (for example plugs reported). These parts can further separate the different passages of the elastic rope, to avoid their overlap and friction generated. It is also possible to provide two elastic cords, one end of each of them being stowed on an insert.
Advantageously, the fastening means 2 (the fasteners) located at the ends of the elastic cord are wider than the second slot 9. The elastic cord can thus be mounted tightly on the profile (the two fasteners remaining in abutment on the walls side of the upper part 3B of the profile). The elastic rope 6 is prestressed and is ready to exert a restoring force.

The operation of the display device according to the first embodiment of the invention will now be described. The display device makes it possible to switch from a display position (for which the poster is in the up position allowing the display) to a poster change position (for which the poster is in the low position allowing its change).
To lower the profile and the poster being in a high display position, it is sufficient for an operator to pull the poster down, or to draw on the profile 3 with a hook of a few decimeters. The elastic rope 6 then extends along its entire length. Its initial length being sufficient (in the example of Figures 2.A and 2.B, three times the distance between the two clearances minus the extension of the prestressing), the profile can therefore go down to a low position of change poster.
To maintain this low position, the operator can keep a hand on the profile, or leave the hook on the profile (the weight of the hook must be sufficient). Alternatively, the operator can manipulate means for locking the elastic cord provided on the profile. These blocking means may consist of sliders 10, 10 '. These sliders are slidable on the profile and able to wedge the elastic rope against the wall 7. Alternatively, these locking means may consist of a cable tie (for example a flanged nut or wing nut) or levers (with cam locking). .
To reassemble the profile and the poster, it suffices for the operator to release the profile and displays it, preferably by accompanying them. The restoring force of the elastic rope allows the profile and the poster to go up until the fastening means (for example the fasteners 2) abut, for example on the side walls of the upper part 3B of the profile.

According to a variant, for damping possible shocks at the arrival of this recall, the fasteners or the profile may comprise flexible parts.

Therefore, the display device according to the first embodiment has simple elements and allows for poster changes performance while being inexpensive.

Figure 3 shows an exploded view of a display device according to the second embodiment of the invention.

The display device 101 includes means for attaching the device to an upper building element. The fixing means is in the form of a tube 102 suspended by means of two welded hooks 102 '. The tube is also closed at its ends by two plugs 102. The tube is made of metal, for example steel.

The display device 101 also comprises a magnetic support 103.
For example, the magnetic support 103 consists of two polar masses in the form of two metal blades 103 'and 103 "enclosing a series of magnets 107. The blades 103' and 103" have two holes 104 at their two ends, to secure the poster 105 by two not shown fastening means (snaps, rivets, screws, nuts, etc ....). To this end, no magnet is located at the right of the holes 104, and the poster 105 has in its upper part two "ears" for securing the poster to the magnetic support.

The display device 1 further comprises an elastic cord 106. The elastic cord couples the tube 102 to the magnetic support 103. The elastic cord passes through the hollow tube 102 and opens out of the tube at two through holes 108, 108 practiced substantially at the ends of the tube. The elastic cord passes between the two blades 103 'and 103 "under the series of magnets 107.
The through holes 108, 108 'are for example simple holes. Advantageously, the angles of the through holes have been broken to protect the elastic cord against premature wear. However, the passage of the elastic rope through the tube could be made through all kinds of son passes, separate or integral part of the plugs.
The two ends of the elastic rope meet at a central hole 104 'formed in the two blades 103' and 103 ".The two ends of the rope elastic can be fixed at this point by any means of attachment. Advantageously, no magnet is located right of the central hole 104 '.
Alternatively, a simple knot of the elastic rope can be made and positioned in this same place, without the need for a central hole.
This configuration allows a manufacture, particularly a simple assembly. Indeed, just pass the elastic rope in the tube and out at both ends through two holes of the tube, and connect them to the center of the magnetic support. The mounting of the poster can then be performed easily, for example by the operator, which promotes the conditioning of this display device.

The particular form of the poster 105 provided with two ears (defining a central cutout) makes it possible to secure the poster to the magnetic support, leaving enough space for the passage of the elastic rope between the upper edge of the poster and the magnets.

The operation of the display device according to the second embodiment of the invention will now be described.
The high position is obtained when the magnetic support 103 is in contact and fixed by magnetization on the tube 102.
The low position is obtained when the operator exerts a pulling force on the poster downwards greater than the magnetization force of the magnetic support. This pulling force can be exerted directly or by means of a few decimeters pliers.
Advantageously, the strength of the elastic cord is chosen to be less than the weight of the poster support provided with a poster so that the poster goes down to the low position (balance between weight and restoring force), and rest. The operator can then easily change the poster.
To raise the poster in the high position, simply push the poster upwards, directly or by means of a clamp. Preferably, the poster is rigid enough to allow this operation. The restoring force of the elastic rope, hitherto inoperative, is transformed during this upward pushing guide to the high position. Advantageously, the elastic cord is mounted slightly tensioned so that the guidance is carried out until magnetization while allowing the poster to be correctly and almost automatically (without requiring any particular gestures on the part of the operator) positioned relative to the tube.

• une position d'affichage toujours identique, et
• un processus d'affichage identique pour l'opérateur, seul le guidage pouvant perdre en puissance.
  Ainsi, le dispositif d'affichage est fiable dans le temps sans nécessiter de surdimensionnement du système de rappel et sans prévoir un système complémentaire d'amortissement.
  De plus, le dispositif d'affichage procure la sécurité souhaitée car l'aimantation évite tout décrochage intempestif. Dans le cas d'un décrochage involontaire, le risque sur les personnes est réduit car la corde élastique permet une descente amortie de l'affiche.

The display device according to this mode is simple and inexpensive, while allowing a very simple and fast handling. The manipulation of the poster being carried out in its lowest part with a short instrument or without any instrument, it results in a great ease and a great speed of handling, with less physical efforts.
In addition, the strength of the elastic cord is anyway lower than the weight of the poster holder with a poster, it results in aging of the elastic cord (lowering of the restoring force):

• an always identical display position, and
• an identical display process for the operator, only the guidance may lose power.
  Thus, the display device is reliable over time without requiring oversizing of the return system and without providing an additional damping system.
  In addition, the display device provides the desired security because the magnetization prevents inadvertent stall. In the case of an unintentional stall, the risk on people is reduced because the elastic cord allows a soft descent of the poster.

Figures 4.A and 4.B illustrate in exploded view a display device according to the third embodiment of the invention.
The display device 201 comprises means for attaching the device to a high building element. The fixing means is in the form of a plastic tube 202, suspended by means of two rings 202 'inserted in a groove 202E. The tube comprises two flanks 202A, 202B, each articulated around a hinge 202C coextruded flexible. The two sides form a slot 202D diametrically opposite the groove. The hinges 202C are located on either side of this groove. The tube is also closed at its ends by two plugs 202 ".

The display device 201 also comprises a harpoon shaped plastic section 203 having an acute angle directed towards the tube. The profile has a slot 204 in which is inserted and fixed a poster (not shown), the walls 204 'forming this slot being for example provided with adhesives on their inner faces.

The display device 201 further comprises an elastic cord 206. The elastic cord is used to couple the tube 202 to the profile 203. The elastic cord runs along the groove 202E. The groove and the plugs are respectively provided at their ends with clearances 208, 208 'allowing the elastic cord to pass through them. Both ends of the elastic cord are connected to the middle of the groove through a hole 209 in the groove.
The elastic cord makes a loop which passes through the section 203 by a conduit 203 'provided in the upper part of the profile.
Advantageously, the two rings 202 'serving to hook the tube 202 slip into the groove 202E. Their shape allows to provide a passage for the elastic rope while avoiding its wear by friction.

The operation of the display device according to the third embodiment of the invention will now be described.
The high position is obtained by a latch mechanism formed by the profile 203 shaped spear mechanically engage in the tube 202 hinged flanks. When an operator mounts the poster in the display position, the acute angle of the harpoon penetrates into the slot 202D by spreading the flanks 202A, 202B of the tube thanks to the flexibility of the hinges 202C. When the flared bottom portion of the harpoon has fully penetrated the tube 202, the flanks of the tube fall and cover it, thus preventing the descent of the poster.
In this example, the holding force in the high position depends on the flared angle of the harpoon, as well as the friction between the harpoon and the flanks of the tube. Alternatively, the harpoon and / or the flanks of the tube may be provided with ridges or flexible bands to modify the friction forces.
The low position is obtained when the operator exerts a pulling force on the poster downwards greater than these friction forces until the profile 203 is out of the tube 202. This traction force can be exerted directly or via a pair of decimeters.
Advantageously, the strength of the elastic cord is chosen to be less than the weight of the poster support provided with a poster so that the poster goes down to the low position (balance between weight and restoring force), and remains there. The operator can then easily change the poster.
To raise the poster in the high position, simply push the poster upwards, directly or by means of a clamp. Preferably, the poster is rigid enough to allow this manipulation. The restoring force of the elastic rope, hitherto inoperative, is transformed during this upward pushing guide to the high position. Advantageously, the elastic cord is mounted slightly tensioned so that the guiding is carried out until the latch is engaged while allowing the poster to be correctly and almost automatically (without requiring any particular gestures on the part of the operator) positioned relative to the tube.

The profile 203 may include a cut to beveled length 210. This cut accentuates the guiding end of stroke, because it allows a centering of the poster in the length of the tube 202.

According to a variant (not shown) concerning the tube, the latter and in particular its hinged flanks could be weighted. This facilitates the entry of the harpoon. Alternatively, the tube and the flanks could be metal profiles connected by pivot links.

The display device according to the third embodiment is particularly reliable and inexpensive to mass produce.

Figures 5.A and 5.B show a detailed view of each of the ends of the display device according to a variant of the third embodiment of the invention.
This variant embodiment of the third embodiment of the invention is based on the mechanism of the latch described above. Its operation for the passage from the low position to the high position and vice versa is identical. The difference is in the harpoon element. This element is no longer an extruded section 203 having substantially the length of the tube 202. The harpoon shaped section is replaced by two harpoon-shaped injected pieces 303 extending over only a portion of the length of the tube 302.

The friction of a harpoon-shaped injected piece 303 on the flanks of the tube 302 is limited to a few sliding triangles 303 '(two in this example). This configuration of the harpoon favors its entry into the tube.
The injected parts 303 comprise a conduit 303 "for the passage of the elastic rope 306. They further comprise at a flared portion of the fixing means 304 for the poster, for example a slot and a lug (not visible) In this example, the lug is supported by a wall 304 'able to flex so as to constitute a clipping.
Advantageously, the injected parts 303 comprises bevelled guides 303 "'(injected and uncut) to promote the sliding and centering of the poster in the length of the tube.

• des moyens de maintien de l'affiche en position haute par des flancs articulés 302A, 302B autour de charnières 302C,
• le passage de la corde élastique par un dégagement 308, et
• l'anneau 302' d'accrochage au plafond.

The two injected pieces could be associated with the tube 202 of FIGS. 4.A and 4.B.
Nevertheless, the tube can also be modified. The tube 302, plastic or metallic, has at its two ends plugs 302 "which perform a plurality of functions:

• means for maintaining the poster in the raised position by hinged flanks 302A, 302B around hinges 302C,
• the passage of the elastic cord by a clearance 308, and
• the ring 302 'hanging from the ceiling.

This embodiment variant allows maximum integration of functions in injected parts with a significant reduction in manufacturing costs for mass production. The injected parts allow a better control of the entrance of the harpoon and the holding force. In addition, they allow to easily adapt to different types of tube (plastic or metal) and poster.

According to yet another variant (not shown), the tube may be a single cylinder. The poster should then be cut with ears.

FINAL REMARKS

• un premier moyen de fixation (une attache 2 selon le premier mode de réalisation ou un tube 102, 202, 302 selon le second et troisième mode de réalisation) du dispositif d'affichage, en particulier pour la fixation à un élément haut de bâtiment (un plafond PL), et
• un support d'affiche (un profilé 3 selon le premier mode de réalisation, ou un support aimanté 103 selon le second mode de réalisation, ou au moins une pièce en forme de harpon 203, 303 selon le troisième mode de réalisation) sensiblement horizontal muni d'un second moyen de fixation (un logement et une fente 4 selon le premier mode de réalisation, ou des trous de fixation 104 selon le second mode de réalisation, ou au moins une fente 204, 304 munie d'adhésif ou d'ergot selon le troisième mode de réalisation) pour une affiche.
  Le dispositif d'affichage (1, 101, 201, 301) comporte en outre une corde élastique (6, 106, 206, 306) couplant le premier moyen de fixation (2, 102, 202, 302) du dispositif d'affichage au support d'affiche (3, 103, 203, 303) de sorte qu'une première longueur de la corde élastique définit une position d'affichage et une seconde longueur supérieure à la première longueur définit une position de changement d'affiche.
  Selon le premier mode de réalisation, la corde élastique (6) est enroulée de manière précontrainte (la première longueur correspond à un premier allongement) et exerce une force de rappel supérieure au poids du support d'affiche (3) muni d'une affiche. Son premier allongement est déduit de ce poids.
  Selon le second et troisième mode de réalisation, le dispositif d'affichage comporte en outre un moyen de maintien dans la position d'affichage (un support aimanté 103 coopérant avec un tube métallique 102 selon le second mode de réalisation, ou un loqueteau sous la forme d'au moins une pièce en forme de harpon 203, 303 venant s'engager mécaniquement avec le tube 202 et/ou un bouchon 302" selon le troisième mode de réalisation) et la corde élastique (106, 206, 306) exerce une force de rappel inférieure au poids du support d'affiche (103, 203, 303) muni d'une affiche. Sa première longueur peut correspondre à un premier allongement relativement faible (dans ce cas la corde élastique est précontrainte), ou peut être quasiment nulle (dans ce cas la première longueur correspond à la corde élastique au repos).

The invention which has just been described in detail in connection with three distinct embodiments relates to a display device (1, 101, 201, 301) comprising:

• a first fastening means (a fastener 2 according to the first embodiment or a tube 102, 202, 302 according to the second and third embodiment) of the display device, in particular for attachment to a high building element ( a ceiling PL), and
• a poster support (a profile 3 according to the first embodiment, or a magnetic support 103 according to the second embodiment, or at least one harpoon piece 203, 303 according to the third embodiment) substantially horizontal provided with a second fixing means (a housing and a slot 4 according to the first embodiment, or fixing holes 104 according to the second embodiment, or at least one slot 204, 304 provided with adhesive or ergot according to the third embodiment) for a poster.
  The display device (1, 101, 201, 301) further comprises an elastic cord (6, 106, 206, 306) coupling the first fastening means (2, 102, 202, 302) of the display device to the poster support (3, 103, 203, 303) so that a first length of the elastic cord defines a display position and a second length greater than the first length defines a poster change position.
  According to the first embodiment, the elastic cord (6) is prestressedly wound (the first length corresponds to a first elongation) and exerts a restoring force greater than the weight of the poster support (3) provided with a poster . Its first elongation is deduced from this weight.
  According to the second and third embodiments, the display device further comprises a holding means in the display position (a magnetic support 103 cooperating with a metal tube 102 according to the second embodiment, or a latch under the at least one harpoon piece 203, 303 which mechanically engages the tube 202 and / or plug 302 "according to the third embodiment) and the elastic cord (106, 206, 306) exerts a lower restoring force than the weight of the poster support (103, 203, 303) provided with a poster, its first length may correspond to a first relatively small elongation (in this case the elastic cord is prestressed), or it may be practically zero (in this case the first length corresponds to the elastic rope at rest).

The invention and its various embodiments have just been described in connection with a particular example of application to the field of display for large-scale distribution. Nevertheless, it is obvious to a person skilled in the art that the invention can be extended to other types of applications in other areas where information is on posters fixed in height (exhibitions, exhibitions, signage of public places, etc ....).

The figures and their descriptions made above illustrate the invention rather than limiting it. The reference signs in the claims are not limiting in nature. The verbs "understand" and "include" do not exclude the presence of elements other than those listed in the claims. The word "a" preceding an element does not exclude the presence of a plurality of such elements.

Claims (10)

A display device (1, 101, 201, 301) comprising: a first fixing means (2, 102, 202, 302) of the display device, in particular for attachment to a building top element, and a substantially horizontal poster support (3, 103, 203, 303) provided with a second fastening means (4, 104, 204, 304) for a poster (AF), characterized in that it further comprises : an elastic cord (6, 106, 206, 306) coupling the first fixing means (2, 102, 202, 302) of the display device to the poster support (3, 103, 203, 303) so that a first length of the elastic cord defines a display position and a second length greater than the first length defines a poster change position. A display device according to the preceding claim, characterized in that the elastic rope (6) comprises two ends fixed to the fixing means of the display device (2), at least one winding of the poster support (3) on substantially one length of the poster support, the elastic cord (6) being prestressedly wound and exerting a greater restoring force than the weight of the poster support (3) provided with a poster. A display device according to one of the preceding claims, characterized in that the poster support comprises an H-shaped poster profile (3) comprising: - a horizontal wall (7) on which is wound at least once the elastic rope (6), and - two side walls fixed to the horizontal wall (7) defining in a lower part (3A) a first slot and a housing constituting the second fastening means (4) for a poster, and in an upper part (3B) a second slot (9) for the passage of the elastic rope. A display device according to claim 3, characterized in that the means for fixing the display device (2) is wider than the second slot (9) for the passage of the elastic rope so that the elastic rope (6) is wrapped around the profile (3) in a prestressed manner. A display device according to claim 1, characterized in that it further comprises means for holding in the display position and that the elastic cord (106, 206, 306) exerts a lower restoring force weight of the poster stand (103, 203, 303) with a poster. A display device according to claim 5, characterized in that the holding means is a magnetic support (103) cooperating with a metal element of the first display device fixing means for holding the display device in position magnetization display. A display device according to claim 6, characterized in that : the first fixing means of the display device comprises a metal tube (102), - The magnetic support (103) comprises two metal blades (103 ', 103 ") enclosing a series of magnets (107) and the second fastening means (104) for a poster. A display device according to claim 5, characterized in that the holding means is a latch comprising the display medium in the form of at least one harpoon-shaped piece (203, 303) cooperating with the first means for fixing the display device in the form of a tube (202) having two sidewalls (202A, 202B) articulated around hinges (202C) and a slot (202D) substantially diametrically opposed to the hinges for holding the display device in the display position by mechanical engagement of the harpoon-shaped piece (203, 303) in the tube (202). A display device according to claim 5, characterized in that the holding means is a latch comprising the display medium in the form of at least one harpoon-shaped piece (203, 303) cooperating with the first means fixing the display device in the form of a tube (302) provided with a plug (302 ") at each of its ends, the plug comprising two flanks (302A, 302B) articulated around hinges (302C), the tube being provided with a slot (302D) substantially diametrically opposed to the hinges for holding the display device in the display position by mechanically engaging the harpoon piece (203, 303) in the plug (302 "). A display device according to one of claims 8 to 9, characterized in that the holding means comprises a single spear-shaped piece in the form of a single profile (203) having a length substantially equal to the length of the tube (202, 302).

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