EP2946814B1 - Arrangement for fastening attachments to a frame having a series of blind indentations engaging with a fastening collar - Google Patents

Arrangement for fastening attachments to a frame having a series of blind indentations engaging with a fastening collar Download PDF

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Publication number
EP2946814B1
EP2946814B1 EP15167505.5A EP15167505A EP2946814B1 EP 2946814 B1 EP2946814 B1 EP 2946814B1 EP 15167505 A EP15167505 A EP 15167505A EP 2946814 B1 EP2946814 B1 EP 2946814B1
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EP
European Patent Office
Prior art keywords
collar
frame
notches
series
notch
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EP15167505.5A
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German (de)
French (fr)
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EP2946814A1 (en
Inventor
Sylvain Gauthier
Daniel Hoarau
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Trigano Jardin
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Trigano Jardin
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Publication of EP2946814A1 publication Critical patent/EP2946814A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B9/00—Climbing poles, frames, or stages
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B17/00—Exercising apparatus combining several parts such as ladders, rods, beams, slides
    • A63B17/04—Exercising apparatus combining several parts such as ladders, rods, beams, slides separable
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B9/00—Climbing poles, frames, or stages
    • A63B2009/002—Flat climbing nets
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/50—Size reducing arrangements for stowing or transport
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09—Adjustable dimensions

Definitions

  • the invention relates to an arrangement for fastening apparatus to a play structure.
  • Such a game structure includes poles and frames.
  • the apparatus such as for example a swing, a rope or a rope ladder, are fixed on the frames by means of one or more carabiners.
  • Each carabiner is received in an eyelet of a collar fixed by clamping on one of the frames.
  • such a game structure makes it possible to modulate the number and the position of the apparatus during assembly according to the desires of the customer.
  • the collars are likely to be fixed at various locations on each frame, each attachment location varying according to the apparatus chosen by the customer.
  • Each collar is for example formed of two half-collars which are arranged on either side of the frame. Both Half-collars enclose the frame by means of bolts that are inserted into the side lugs of the collar. Thus the bolts do not pass through the tubular frame.
  • Such a collar makes it possible to withstand a very high radial traction force on the carabiner, for example of the order of 200 kg.
  • Each tubular reinforcement here has a circular section of constant diameter over its entire length.
  • the circular cross section of the frame promotes the rotational sliding of the collar around the frame.
  • a circumferential tensile force of the order of 50 kg on the carabiner may be sufficient to rotate the collar.
  • the document EN-A1-2.562.175 has already proposed a collar provided with a rib cooperating with a complementary shape of the frame to prevent its rotation.
  • the invention proposes an arrangement of the type described above, characterized in that at least a first external lateral zone of the wall of said section comprises a series of identical notches distributed regularly axially, each notch being blind, the inner face of the collar comprising a counterpart complementary shape of a notch which is intended to be fitted with one of the notches during attachment of the collar to immobilize the collar axially in a selected position.
  • FIG. 1 a game structure 10 which comprises a central mast 12 of axis "B” vertical rectilinear and a frame 14 whose axis "C” has a curved shape.
  • This play structure is designed to be arranged outdoors. It must be able to withstand the corrosion caused by rain.
  • the mast 12 is anchored in the ground by its lower end foot, while its top end top 16 is free.
  • a first upper end 17 of the armature 14 is joined to an upper end section of the pole 12 via a joint element 18.
  • the second lower end of the frame 14 is anchored in the ground away from the foot 15 of the mast 12.
  • the curvature of the armature 14 is such that the "C" axis is orthogonal to the mast 12 at its upper end 17, while the "C” axis is substantially orthogonal to the ground at its lower end.
  • the armature 14 is made of a metallic material such as steel.
  • the armature 14 has a tubular wall of constant cross section on at least one attachment section.
  • the attachment section extends over the entire length of the armature 14, with the exception of the two ends 17, 20 of joining the armature to anchoring elements.
  • the armature 14 thus defines with the mast 12 a free space generally in the form of a quarter circle. Apparatuses are intended to be suspended from the frame 14 to be received in this free space.
  • a first proximal end of each spoke 24 is attached to the foot 15 of the mast 12 through a chain 25 which is hooked to a common clamp 26.
  • An opposing second end distal of each spoke 24 is attached to the frame 14 via a single carabiner 28 which is hooked to an associated clamp 30.
  • Each individual fastener collar 30 which is intended to be clamped about the frame 14 as shown in more detail in FIG. figure 2 .
  • the collar 30 is formed by the assembly of two half-collars 30A, 30B. These two half-collars 30A, 30B have an identical structure.
  • Each half-collar 30A, 30B is here made of a rigid plastic material, for example by molding.
  • Each half-collar 30A, 30B thus has an internal hicylindrical clamping face 32 having an axis parallel to the "C" axis of the reinforcement 14 and having a shape complementary to the half-section of the reinforcement 14.
  • Each half-collar 30A, 30B also has two diametrically opposed lugs 34A, 34B which extend radially on either side of the internal clamping face 32.
  • Each lug 34A, 34B of one of the half-collar 30A is intended to be joined by an inner face 36 of seal with the lug 34A, 34B vis-à-vis the other half-collar 30B.
  • Each lug 34A, 34B has a through hole 38 in a circumferential direction.
  • the orifice 38 of each lug 34A, 34B of one of the half-collar 30A is arranged in coincidence with the orifice 38 of each lug 34A, 34B of the other half-collar 30B when the half-collar 30A, 30B are joined on either side of the armature 14.
  • These orifices 38 allow the passage of the screw 40 of a bolt.
  • the screws 40 thus extend on either side of the armature 14, and thus do not pass through the wall of the armature 14.
  • the two half-collars 30A, 30B are tightened in joint position around the frame by screwing a nut 42 of the bolt on each screw 40, as shown in FIG. figure 4 .
  • the internal clamping face 32 of each half-collar 30A, 30B is held firmly tight against the outer cylindrical face of the armature 14 between the head of the screws 40 and the nut 42.
  • the heads of the screws 40 and the nuts 42 are housed in countersinks 44 made in an outer face of each lug 34A, 34B.
  • the collar 30 further comprises an eyelet 46 for passage of the carabiner 28 which is formed in one of the ears 34B of each half-collar 30A, 30B.
  • Each half-collar 30A, 30B also has recesses 48 in its inner face 32 of clamping and in its internal face 36 of joint to allow to lighten the collar 30, and to reduce its cost of production while maintaining a sufficient tensile strength and rigidity for its use. Rigidity is ensured by the retention of ribs between the recesses 48.
  • the collar 30 and mounted tightly around the frame 14 is nevertheless capable of sliding axially in case of excessive axial force on the carabiner 28.
  • the circular cross section of the armature 14 also exposes the necklace to risk pivoting about the axis "C" of the armature 14 in case of excessive circumferential force on the carabiner 28.
  • the structure 10 game is designed to allow to change at will equipment and their arrangement.
  • the clamps 30 must be freely fixable in different axial positions of the armature 14.
  • the armature 14 is provided with at least a first series of identical notches 50A which are regularly distributed according to the axial direction over the entire length of the frame 14. This series of notches 50A thus forms a kind of rack to freely select the position of each collar 30.
  • the series of notches 50A here comprises more than three notches.
  • the internal clamping face 32 of at least one of the half-collar 30A, 30B comprises a counterpart 52 of complementary shape of a notch 50A.
  • This counterpart 52 is intended to be fitted radially with one of the notches 50A during attachment of the collar 30 to the armature to immobilize the collar 30 axially in its selected position.
  • This engagement of the counterpart 52 of the collar 30 with one of the notches 50A also makes it possible to prevent the rotation of the collar around the axis "C" of the armature 14.
  • the notches 50A are blind, that is to say they do not have a hole or tear through the wall of the frame 14. In other words, the tubular wall of the frame 14 remains full and continue at each notch 50A. This is particularly advantageous because, being a game structure designed to be installed outdoors, in the absence of holes in each of these notches 50A, rainwater can not penetrate inside the tubular frame 14. Thus, the armature 14 is not subjected to corrosion.
  • Each notch 50A here has a concave shape forming a depression with respect to the tubular wall.
  • Each notch 50A is here formed by local deformation of the tubular wall of the armature 14, for example by stamping.
  • Each notch 50A has more particularly a bowl shape, while the counterpart 52 of the collar 30 has a complementary shape of dome.
  • each notch has a convex shape that protrudes from the tubular wall of the frame.
  • the counterpart of the associated half-collar has a concave shape complementary to that of the notch.
  • two adjacent notches 50A of the series are spaced apart by an axial distance "D" slightly greater than the axial thickness of the collar 30, as shown in FIG. figure 2 .
  • D axial distance
  • the adjective “slightly” means that there would remain axial play between these two necklaces.
  • said axial clearance is less than the thickness of a collar, for example of the order of 1 cm.
  • each collar 30 has a thickness of about 4.5 cm. This makes it possible to have a multitude of positions all along the armature 14 for each collar 30.
  • the collar 30 can thus be arranged freely over the entire length of the armature 14, guaranteeing axial locking and pivoting. collar 30.
  • two adjacent notches of the series are separated by an axial distance much greater than the thickness of a collar.
  • the collars are intended to be freely fixed on a fastening portion of the frame which does not extend over the entire length of the frame.
  • the armature 14 comprises a second series of notches 50B which is identical to the first series of notches 50A described above.
  • the first series of notches 50A is arranged on a first external lateral zone of the wall of the armature 14, while the second series of notches 50B is arranged on a second diametrically opposite external lateral zone.
  • Each lateral zone is here arranged on either side of the curvature plane of the armature 14 which contains its axis "C".
  • the notches 50A, 50B of each series are aligned in an axial direction parallel to the "C" axis of the armature.
  • the two series of notches 50A, 50B have the same number of notches 50A, 50B.
  • Each notch 50A of the first series is arranged diametrically in coincidence with a notch 50B of the second series.
  • the collar 30 is axially locked and pivoted simultaneously by two notches 50A, 50B coincidentally each nested with the counterpart 52 of each half-collar 30A, 30B.
  • each half-collar 30A, 30B is arranged in the center of its internal clamping face 32. Therefore, the two counterparts 52 of the collar 30 are arranged diametrically vis-à-vis.
  • the two half-collars 30A, 30B equipped with their counterpart thus have an identical structure. This allows in particular to reduce their production cost by allowing their molding from a single mold.
  • this arrangement of the notches 50A, 50B with respect to the half-collars 30A, 30B makes it possible to automatically nest the counterparts 52 in the notches 50A, 50B associated during the positioning of the two half-collars 30A, 30B around the armature 14 by a radial movement orthogonal to the joint faces 36 of each half-collar 30A, 30B.
  • each collar 30 is fitted with two opposing notches 50A, 50B. Notches 50A, 50B are left free between each collar 30.
  • the arrangement made according to the teachings of the invention thus makes it possible to fix the collars at the chosen location while guaranteeing the immobility of the collar with respect to the reinforcement.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne un agencement pour la fixation d'agrès sur une structure de jeu.The invention relates to an arrangement for fastening apparatus to a play structure.

ARRIERE PLAN TECHNIQUE DE L'INVENTIONBACKGROUND ART OF THE INVENTION

L'invention concerne plus particulièrement un agencement pour la fixation d'agrès sur une structure de jeu, l'agencement comportant :

  • au moins une armature présentant une paroi tubulaire métallique de section transversale constante sur au moins un tronçon de fixation ;
  • au moins un collier de fixation qui est destiné à être fixé par serrage autour dudit tronçon de fixation.
The invention more particularly relates to an arrangement for fastening apparatus to a game structure, the arrangement comprising:
  • at least one armature having a tubular metal wall of constant cross section on at least one attachment section;
  • at least one fastening collar which is intended to be fastened by clamping around said fastening section.

Une telle structure de jeu comporte des mâts et des armatures. Les agrès, tels que par exemple une balançoire, une corde ou une échelle de cordes, sont fixés sur les armatures par l'intermédiaire d'un ou de plusieurs mousquetons. Chaque mousqueton est reçu dans un oeillet d'un collier fixé par serrage sur l'une des armatures.Such a game structure includes poles and frames. The apparatus, such as for example a swing, a rope or a rope ladder, are fixed on the frames by means of one or more carabiners. Each carabiner is received in an eyelet of a collar fixed by clamping on one of the frames.

Avantageusement, une telle structure de jeu permet de moduler le nombre et la position des agrès lors du montage en fonction des désirs du client. A cet effet, les colliers sont susceptibles d'être fixés à divers emplacements sur chaque armature, chaque emplacement de fixation variant selon les agrès choisis par le client.Advantageously, such a game structure makes it possible to modulate the number and the position of the apparatus during assembly according to the desires of the customer. For this purpose, the collars are likely to be fixed at various locations on each frame, each attachment location varying according to the apparatus chosen by the customer.

Chaque collier est par exemple formé de deux demi-colliers qui sont agencés de part et d'autre de l'armature. Les deux demi-colliers enserrent l'armature au moyen de boulons qui sont insérés dans des oreilles latérales du collier. Ainsi les boulons ne traversent pas l'armature tubulaire. Un tel collier permet de supporter un effort de traction radial très élevé sur le mousqueton, par exemple de l'ordre de 200 kg.Each collar is for example formed of two half-collars which are arranged on either side of the frame. Both Half-collars enclose the frame by means of bolts that are inserted into the side lugs of the collar. Thus the bolts do not pass through the tubular frame. Such a collar makes it possible to withstand a very high radial traction force on the carabiner, for example of the order of 200 kg.

Chaque armature tubulaire présente ici une section circulaire de diamètre constant sur toute sa longueur.Each tubular reinforcement here has a circular section of constant diameter over its entire length.

Dans cette configuration il existe cependant des risques de glissement du collier le long de l'armature. Par exemple, un effort de traction axial de l'ordre de 100 kg sur le mousqueton peut suffire à faire glisser le collier.In this configuration, however, there are risks of sliding of the collar along the frame. For example, an axial tensile force of the order of 100 kg on the carabiner may be sufficient to slide the collar.

De même, la section transversale circulaire de l'armature favorise le glissement en rotation du collier autour de l'armature. Par exemple, un effort de traction circonférentiel de l'ordre de 50 kg sur le mousqueton peut suffire à faire tourner le collier.Similarly, the circular cross section of the frame promotes the rotational sliding of the collar around the frame. For example, a circumferential tensile force of the order of 50 kg on the carabiner may be sufficient to rotate the collar.

Pour résoudre ce problème, on a proposé de percer un trou dans l'armature pour permettre de fixer le collier au moyen d'une goupille ou d'une vis traversante.To solve this problem, it has been proposed to drill a hole in the frame to allow the collar to be fixed by means of a pin or a through screw.

Cependant, cette solution présente l'inconvénient de devoir percer un trou à l'emplacement sélectionné lors du montage de la structure. Or, cela obligerait l'installateur à disposer d'outils de perçage coûteux et encombrants.However, this solution has the disadvantage of having to drill a hole at the selected location during assembly of the structure. However, this would require the installer to have expensive and cumbersome drilling tools.

De plus, la présence de trous dans la paroi tubulaire expose l'armature à des infiltrations d'eau qui risqueraient de corroder l'armature.In addition, the presence of holes in the tubular wall exposes the frame to water infiltration that could corrode the frame.

Le document FR-A1-2.562.175 a déjà proposé un collier muni d'une nervure coopérant avec une forme complémentaire de l'armature pour empêcher sa rotation.The document EN-A1-2.562.175 has already proposed a collar provided with a rib cooperating with a complementary shape of the frame to prevent its rotation.

Cependant, ce document ne fournit aucune solution au problème du glissement axial. En outre aucune solution n'est suggérée pour éviter la corrosion de l'armature.However, this document does not provide any solution to the problem of axial sliding. In addition no solution is suggested to avoid corrosion of the frame.

BREF RESUME DE L'INVENTIONBRIEF SUMMARY OF THE INVENTION

L'invention propose un agencement du type décrit précédemment, caractérisé en ce qu'au moins une première zone latérale externe de la paroi dudit tronçon comporte une série de crans identiques répartis régulièrement axialement, chaque cran étant borgne, la face interne du collier comportant une contrepartie de forme complémentaire d'un cran qui est destinée à être emboîtée avec l'un des crans lors de la fixation du collier pour immobiliser le collier axialement dans une position sélectionnée.The invention proposes an arrangement of the type described above, characterized in that at least a first external lateral zone of the wall of said section comprises a series of identical notches distributed regularly axially, each notch being blind, the inner face of the collar comprising a counterpart complementary shape of a notch which is intended to be fitted with one of the notches during attachment of the collar to immobilize the collar axially in a selected position.

Selon d'autres caractéristiques de l'invention :

  • les crans d'une série sont alignés axialement ;
  • deux crans adjacents sont écartés d'une distance légèrement supérieure à l'épaisseur du collier ;
  • chaque cran est obtenu par déformation locale de la paroi de l'armature ;
  • ledit tronçon de fixation présente une section transversale circulaire, l'emboîtement de la contrepartie du collier avec l'un des crans permettant d'empêcher la rotation du collier autour de l'axe de l'armature ;
  • chaque cran présente une forme concave ;
  • chaque cran est obtenu par emboutissage de la paroi tubulaire de l'armature ;
  • une deuxième zone latérale externe de la paroi d'armature comporte une deuxième série de crans qui est identique à la première série de crans, chaque cran de la première série étant agencé diamétralement en coïncidence avec un cran de la deuxième série, la face interne du collier comportant une deuxième contrepartie agencée diamétralement en vis-à-vis de la première contrepartie ;
  • ledit tronçon de fixation s'étend sur toute la longueur de l'armature.
According to other features of the invention:
  • the notches of a series are aligned axially;
  • two adjacent notches are spaced a distance slightly greater than the thickness of the collar;
  • each notch is obtained by local deformation of the wall of the armature;
  • said attachment section has a circular cross section, the fitting of the counterpart of the collar with one of the notches for preventing the rotation of the collar about the axis of the armature;
  • each notch has a concave shape;
  • each notch is obtained by stamping the tubular wall of the armature;
  • a second external lateral zone of the reinforcing wall comprises a second series of notches which is identical to the first series of notches, each notch of the first series being arranged diametrically in coincidence with a notch of the second series, the internal face of the collar comprising a second counterpart arranged diametrically vis-à-vis the first counterpart;
  • said attachment section extends over the entire length of the armature.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres caractéristiques et avantages de l'invention apparaitront au cours de la lecture de la description détaillée qui va suivre pour la compréhension de laquelle on se reportera aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective qui représente un exemple de structure de jeu comportant un agrès fixé sur une armature selon les enseignements de l'invention ;
  • la figure 2 est une vue de détail qui représente un collier de fixation fixé par serrage autour de l'armature ;
  • la figure 3 est une vue en perspective éclatée qui représente les deux demi-colliers formant le collier de la figure 2, ainsi que les boulons de serrage des deux demi-collier ;
  • la figure 4 est une vue en coupe transversale selon le plan de coupe 4-4 de la figure 2 ;
  • la figure 5 est une vue en coupe axiale passant par les crans de l'armature qui représente le collier de la figure 2.
Other features and advantages of the invention will appear during the reading of the detailed description which follows for the understanding of which reference will be made to the appended drawings in which:
  • the figure 1 is a perspective view showing an example of a game structure comprising an apparatus fixed on a frame according to the teachings of the invention;
  • the figure 2 is a detail view showing a clamp fastened by clamping around the frame;
  • the figure 3 is an exploded perspective view that represents the two half-collars forming the collar of the figure 2 , as well as the clamping bolts of the two half-clamps;
  • the figure 4 is a cross-sectional view along the sectional plane 4-4 of the figure 2 ;
  • the figure 5 is an axial sectional view through the notches of the frame that represents the necklace of the figure 2 .

DESCRIPTION DETAILLEE DES FIGURESDETAILED DESCRIPTION OF THE FIGURES

Pour la suite de la description, des éléments présentant une structure identique ou une fonction analogue seront désignés par une même référence.For the rest of the description, elements having an identical structure or a similar function will be designated by the same reference.

Pour la suite de la description, on adoptera à titre non limitatif une orientation verticale indiquée par la flèche "V" de la figure 1.For the remainder of the description, a vertical orientation indicated by the arrow "V" of the figure 1 .

On adoptera aussi un repère locale comportant une orientation axiale "A" dirigée tangentiellement à l'axe "C" principal de l'armature 14, ainsi qu'une orientation radiale dirigée orthogonalement à l'orientation axiale "A". On adoptera aussi une direction circonférentielle qui est orthogonale à la direction axiale "A" et à la direction radiale.We will also adopt a local coordinate system having an axial orientation "A" directed tangentially to the axis "C" of the main frame 14, and a radial orientation orthogonal to the axial orientation "A". We will also adopt a circumferential direction which is orthogonal to the axial direction "A" and the radial direction.

On a représenté à la figure 1 une structure 10 de jeu qui comporte un mât 12 central d'axe "B" rectiligne vertical et une armature 14 dont l'axe "C" présente une forme cintrée. Cette structure 10 de jeu est conçue pour pouvoir être agencée en plein air. Elle doit ainsi pouvoir résister à la corrosion provoquée par la pluie.We have shown figure 1 a game structure 10 which comprises a central mast 12 of axis "B" vertical rectilinear and a frame 14 whose axis "C" has a curved shape. This play structure is designed to be arranged outdoors. It must be able to withstand the corrosion caused by rain.

Le mât 12 est ancré dans le sol par son pied 15 d'extrémité inférieure, tandis que son sommet 16 d'extrémité supérieure est libre.The mast 12 is anchored in the ground by its lower end foot, while its top end top 16 is free.

Une première extrémité 17 supérieure de l'armature 14 est jointe à un tronçon d'extrémité supérieur du poteau 12 par l'intermédiaire d'un élément 18 de joint. La deuxième extrémité 20 inférieure de l'armature 14 est ancrée dans le sol à distance du pied 15 du mât 12.A first upper end 17 of the armature 14 is joined to an upper end section of the pole 12 via a joint element 18. The second lower end of the frame 14 is anchored in the ground away from the foot 15 of the mast 12.

La courbure de l'armature 14 est telle que l'axe "C" est orthogonal au mât 12 au niveau de son extrémité 17 supérieure, tandis que l'axe "C" est sensiblement orthogonal au sol au niveau de son extrémité 20 inférieure.The curvature of the armature 14 is such that the "C" axis is orthogonal to the mast 12 at its upper end 17, while the "C" axis is substantially orthogonal to the ground at its lower end.

L'armature 14 est réalisée en un matériau métallique tel que de l'acier. L'armature 14 présente une paroi tubulaire de section transversale constante sur au moins un tronçon de fixation. Dans l'exemple représenté aux figures, le tronçon de fixation s'étend sur toute la longueur de l'armature 14, à l'exception des deux extrémités 17, 20 de jointure de l'armature à des éléments d'ancrage.The armature 14 is made of a metallic material such as steel. The armature 14 has a tubular wall of constant cross section on at least one attachment section. In the example shown in the figures, the attachment section extends over the entire length of the armature 14, with the exception of the two ends 17, 20 of joining the armature to anchoring elements.

L'armature 14 délimite ainsi avec le mât 12 un espace libre globalement en forme de quart de cercle. Des agrès sont destinés à être suspendus à l'armature 14 pour être reçus dans cet espace libre.The armature 14 thus defines with the mast 12 a free space generally in the form of a quarter circle. Apparatuses are intended to be suspended from the frame 14 to be received in this free space.

Dans l'exemple représenté à la figure 1, un seul agrès 22 est porté par l'armature 14. Il s'agit ici d'une échelle 22 de cordes en forme de toile d'araignée qui remplit l'espace libre. L'échelle de cordes présente ainsi des cordes qui forment des rayons 24 qui divergent depuis le pied 15 du mât 12 vers différents points de l'armature 14, tandis que d'autres cordes forment des quarts de cercle concentriques qui s'entrelacent avec les rayons 24 pour figurer la spirale de la toile d'araignée.In the example shown in figure 1 only one apparatus 22 is carried by the frame 14. This is a scale 22 of strings shaped spider web that fills the free space. The rope ladder thus has ropes which form rays 24 which diverge from the foot 15 of the mast 12 to different points of the armature 14, while other ropes form concentric quads which intertwine with the 24 rays to figure the spiral of the spider's web.

Une première extrémité proximale de chaque rayon 24 est fixée au pied 15 du mât 12 par l'intermédiaire d'une chaîne 25 qui est accrochée à un collier 26 de fixation commun. Une deuxième extrémité opposée distale de chaque rayon 24 est fixée à l'armature 14 par l'intermédiaire d'un mousqueton 28 individuel qui est accroché à un collier 30 de fixation associé.A first proximal end of each spoke 24 is attached to the foot 15 of the mast 12 through a chain 25 which is hooked to a common clamp 26. An opposing second end distal of each spoke 24 is attached to the frame 14 via a single carabiner 28 which is hooked to an associated clamp 30.

Chaque collier 30 individuel de fixation qui est destiné à être fixé par serrage autour de l'armature 14 comme cela est représenté plus en détails à la figure 2.Each individual fastener collar 30 which is intended to be clamped about the frame 14 as shown in more detail in FIG. figure 2 .

En se référant à la figure 3, le collier 30 est formé par l'assemblage de deux demi-colliers 30A, 30B. Ces deux demi-colliers 30A, 30B présentent une structure identique. Chaque demi-collier 30A, 30B est ici réalisé en un matériau plastique rigide, par exemple par moulage.Referring to the figure 3 , the collar 30 is formed by the assembly of two half-collars 30A, 30B. These two half-collars 30A, 30B have an identical structure. Each half-collar 30A, 30B is here made of a rigid plastic material, for example by molding.

Chaque demi-collier 30A, 30B présente ainsi une face 32 interne de serrage hémicylindrique d'axe parallèle à l'axe "C" de l'armature 14 et de forme complémentaire de la demi-section de l'armature 14.Each half-collar 30A, 30B thus has an internal hicylindrical clamping face 32 having an axis parallel to the "C" axis of the reinforcement 14 and having a shape complementary to the half-section of the reinforcement 14.

Chaque demi-collier 30A, 30B présente aussi deux oreilles 34A, 34B diamétralement opposée qui s'étendent radialement de part et d'autre de la face 32 interne de serrage. Chaque oreille 34A, 34B d'un des demi-collier 30A est destinée à être jointe par une face 36 interne de joint avec l'oreille 34A, 34B en vis-à-vis de l'autre demi-collier 30B.Each half-collar 30A, 30B also has two diametrically opposed lugs 34A, 34B which extend radially on either side of the internal clamping face 32. Each lug 34A, 34B of one of the half-collar 30A is intended to be joined by an inner face 36 of seal with the lug 34A, 34B vis-à-vis the other half-collar 30B.

Chaque oreille 34A, 34B présente un orifice 38 traversant selon une direction circonférentielle. L'orifice 38 de chaque oreille 34A, 34B d'un des demi-collier 30A est agencé en coïncidence avec l'orifice 38 de chaque oreille 34A, 34B de l'autre demi-collier 30B lorsque les demi-collier 30A, 30B sont joints de part et d'autre de l'armature 14. Ces orifices 38 permettent le passage de la vis 40 d'un boulon. Les vis 40 s'étendent ainsi de part et d'autre de l'armature 14, et elles ne traversent ainsi pas la paroi de l'armature 14.Each lug 34A, 34B has a through hole 38 in a circumferential direction. The orifice 38 of each lug 34A, 34B of one of the half-collar 30A is arranged in coincidence with the orifice 38 of each lug 34A, 34B of the other half-collar 30B when the half-collar 30A, 30B are joined on either side of the armature 14. These orifices 38 allow the passage of the screw 40 of a bolt. The screws 40 thus extend on either side of the armature 14, and thus do not pass through the wall of the armature 14.

Les deux demi-collier 30A, 30B sont serrés en position jointe autour de l'armature par vissage d'un écrou 42 du boulon sur chaque vis 40, comme cela est représenté à la figure 4. Dans cette position, la face 32 interne de serrage de chaque demi-collier 30A, 30B est maintenue fermement serrée contre la face cylindrique externe de l'armature 14 entre la tête des vis 40 et l'écrou 42.The two half-collars 30A, 30B are tightened in joint position around the frame by screwing a nut 42 of the bolt on each screw 40, as shown in FIG. figure 4 . In this position, the internal clamping face 32 of each half-collar 30A, 30B is held firmly tight against the outer cylindrical face of the armature 14 between the head of the screws 40 and the nut 42.

Les têtes des vis 40 et les écrous 42 sont logés dans des lamages 44 réalisés dans une face externe de chaque oreille 34A, 34B. Ainsi, les utilisateurs de la structure 10 de jeu ne risquent pas d'être blessés par des éléments en saillie sur les colliers 30.The heads of the screws 40 and the nuts 42 are housed in countersinks 44 made in an outer face of each lug 34A, 34B. Thus, the users of the game structure are not likely to be injured by projecting elements on the collars 30.

Le collier 30 comporte en outre un oeillet 46 de passage du mousqueton 28 qui est réalisé dans l'une des oreilles 34B de chaque demi-collier 30A, 30B.The collar 30 further comprises an eyelet 46 for passage of the carabiner 28 which is formed in one of the ears 34B of each half-collar 30A, 30B.

Chaque demi-collier 30A, 30B comporte aussi des évidements 48 dans sa face interne 32 de serrage et dans sa face 36 interne de joint pour permettre d'alléger le collier 30, et pour permettre de réduire son coût de production tout en conservant toutefois une résistance à la rupture et une rigidité suffisantes pour son utilisation. La rigidité est assurée par la conservation de nervures entre les évidements 48.Each half-collar 30A, 30B also has recesses 48 in its inner face 32 of clamping and in its internal face 36 of joint to allow to lighten the collar 30, and to reduce its cost of production while maintaining a sufficient tensile strength and rigidity for its use. Rigidity is ensured by the retention of ribs between the recesses 48.

Le collier 30 ainsi monté serré autour de l'armature 14 est néanmoins susceptible de glisser axialement en cas d'effort axial trop important sur le mousqueton 28. En outre, la section transversale circulaire de l'armature 14 expose aussi le collier à des risque de pivotement autour de l'axe "C" de l'armature 14 en cas d'effort circonférentiel trop important sur le mousqueton 28.The collar 30 and mounted tightly around the frame 14 is nevertheless capable of sliding axially in case of excessive axial force on the carabiner 28. In addition, the circular cross section of the armature 14 also exposes the necklace to risk pivoting about the axis "C" of the armature 14 in case of excessive circumferential force on the carabiner 28.

Ces problèmes sont résolus en bloquant le collier 30 au moyen de crans 50A, 50B réalisés dans l'armature 14, comme cela est visible aux figures 3, 4 et 5. Le collier 30 est destiné à coopérer avec l'un des crans 50A, 50B pour immobiliser axialement et en pivotement le collier 30 par rapport à l'armature 14.These problems are solved by blocking the collar 30 by means of notches 50A, 50B made in the armature 14, as is visible in FIGS. figures 3 , 4 and 5 . The collar 30 is intended to cooperate with one of the notches 50A, 50B to axially immobilize and pivot the collar 30 relative to the armature 14.

En outre, la structure 10 de jeu est conçue pour permettre de changer à volonté les agrès ainsi que leur agencement. A cet effet, les colliers 30 de fixation doivent pouvoir être fixés librement en différentes positions axiales de l'armature 14. Pour ce faire, l'armature 14 est munie d'au moins une première série de crans 50A identiques qui sont répartis régulièrement selon la direction axiale sur toute la longueur de l'armature 14. Cette série de crans 50A forme ainsi une sorte de crémaillère permettant de sélectionner librement la position de chaque collier 30. La série de crans 50A comporte ici plus de trois crans.In addition, the structure 10 game is designed to allow to change at will equipment and their arrangement. For this purpose, the clamps 30 must be freely fixable in different axial positions of the armature 14. To do this, the armature 14 is provided with at least a first series of identical notches 50A which are regularly distributed according to the axial direction over the entire length of the frame 14. This series of notches 50A thus forms a kind of rack to freely select the position of each collar 30. The series of notches 50A here comprises more than three notches.

La face 32 interne de serrage d'au moins une des demi-collier 30A, 30B comporte une contrepartie 52 de forme complémentaire d'un cran 50A. Cette contrepartie 52 est destinée à être emboîtée radialement avec l'un des crans 50A lors de la fixation du collier 30 sur l'armature pour immobiliser le collier 30 axialement dans sa position sélectionnée. Cet emboîtement de la contrepartie 52 du collier 30 avec l'un des crans 50A permet aussi d'empêcher la rotation du collier autour de l'axe "C" de l'armature 14.The internal clamping face 32 of at least one of the half-collar 30A, 30B comprises a counterpart 52 of complementary shape of a notch 50A. This counterpart 52 is intended to be fitted radially with one of the notches 50A during attachment of the collar 30 to the armature to immobilize the collar 30 axially in its selected position. This engagement of the counterpart 52 of the collar 30 with one of the notches 50A also makes it possible to prevent the rotation of the collar around the axis "C" of the armature 14.

Les crans 50A sont borgnes, c'est-à-dire qu'ils ne présentent pas de trou ou de déchirure traversant la paroi de l'armature 14. En d'autres termes, la paroi tubulaire de l'armature 14 demeure pleine et continue au niveau de chaque cran 50A. Ceci est particulièrement avantageux car, s'agissant d'une structure de jeu conçue pour être installée en plein air, en l'absence de trous dans chacun de ces crans 50A, l'eau de pluie ne peut pas pénétrer à l'intérieur de l'armature 14 tubulaire. Ainsi, l'armature 14 n'est pas soumise à de la corrosion.The notches 50A are blind, that is to say they do not have a hole or tear through the wall of the frame 14. In other words, the tubular wall of the frame 14 remains full and continue at each notch 50A. This is particularly advantageous because, being a game structure designed to be installed outdoors, in the absence of holes in each of these notches 50A, rainwater can not penetrate inside the tubular frame 14. Thus, the armature 14 is not subjected to corrosion.

Chaque cran 50A présente ici une forme concave formant une dépression par rapport à la paroi tubulaire. Chaque cran 50A est ici formé par déformation locale de la paroi tubulaire de l'armature 14, par exemple par emboutissage. Chaque cran 50A présente plus particulièrement une forme de cuvette, tandis que la contrepartie 52 du collier 30 présente une forme complémentaire de dôme.Each notch 50A here has a concave shape forming a depression with respect to the tubular wall. Each notch 50A is here formed by local deformation of the tubular wall of the armature 14, for example by stamping. Each notch 50A has more particularly a bowl shape, while the counterpart 52 of the collar 30 has a complementary shape of dome.

En variante, chaque cran présente une forme convexe qui fait saillie par rapport à la paroi tubulaire de l'armature. En ce cas, la contrepartie du demi-collier associé présente une forme concave complémentaire de celle du cran.Alternatively, each notch has a convex shape that protrudes from the tubular wall of the frame. In this case, the counterpart of the associated half-collar has a concave shape complementary to that of the notch.

Avantageusement, deux crans 50A adjacents de la série sont écartés d'une distance "D" axiale légèrement supérieure à l'épaisseur axiale du collier 30, comme cela est représenté à la figure 2. Ainsi, il est possible d'agencer deux colliers 30 côte à côte sur deux crans 50A adjacent. L'adjectif "légèrement" signifie qu'il subsisterait un jeu axial entre ces deux colliers. Toutefois, ledit jeu axial est inférieur à l'épaisseur d'un collier, par exemple de l'ordre de 1 cm.Advantageously, two adjacent notches 50A of the series are spaced apart by an axial distance "D" slightly greater than the axial thickness of the collar 30, as shown in FIG. figure 2 . Thus, it is possible to arrange two collars 30 side by side on two adjacent notches 50A. The adjective "slightly" means that there would remain axial play between these two necklaces. However, said axial clearance is less than the thickness of a collar, for example of the order of 1 cm.

A titre d'exemple non limitatif, deux crans 50A adjacents sont écartés d'environ 5 cm, tandis que chaque collier 30 présente une épaisseur d'environ 4,5 cm. Ceci permet de disposer d'une multitude de positions tout le long de l'armature 14 pour chaque collier 30. Le collier 30 peut ainsi être agencé de manière libre sur toute la longueur de l'armature 14 en garantissant un blocage axial et en pivotement du collier 30.By way of non-limiting example, two notches 50A adjacent are spaced about 5 cm, while each collar 30 has a thickness of about 4.5 cm. This makes it possible to have a multitude of positions all along the armature 14 for each collar 30. The collar 30 can thus be arranged freely over the entire length of the armature 14, guaranteeing axial locking and pivoting. collar 30.

En variante, deux crans adjacents de la série sont écarté d'une distance axiale très supérieure à l'épaisseur d'un collier.Alternatively, two adjacent notches of the series are separated by an axial distance much greater than the thickness of a collar.

En variante, les colliers sont destinés à être fixés librement sur un tronçon de fixation de l'armature qui ne s'étend pas sur toute la longueur de l'armature.Alternatively, the collars are intended to be freely fixed on a fastening portion of the frame which does not extend over the entire length of the frame.

Dans l'exemple représenté aux figures 4 et 5, l'armature 14 comporte une deuxième série de crans 50B qui est identique à la première série de crans 50A décrite précédemment. La première série de crans 50A est agencée sur une première zone latérale externe de la paroi de l'armature 14, tandis que la deuxième série de crans 50B est agencée sur une deuxième zone latérale externe diamétralement opposée. Chaque zone latérale est ici agencée de part et d'autre du plan de courbure de l'armature 14 qui contient son axe "C". Les crans 50A, 50B de chaque série sont alignés selon une direction axiale parallèle à l'axe "C" de l'armature.In the example shown in Figures 4 and 5 , the armature 14 comprises a second series of notches 50B which is identical to the first series of notches 50A described above. The first series of notches 50A is arranged on a first external lateral zone of the wall of the armature 14, while the second series of notches 50B is arranged on a second diametrically opposite external lateral zone. Each lateral zone is here arranged on either side of the curvature plane of the armature 14 which contains its axis "C". The notches 50A, 50B of each series are aligned in an axial direction parallel to the "C" axis of the armature.

Les deux séries de crans 50A, 50B comportent le même nombre de crans 50A, 50B. Chaque cran 50A de la première série est agencé diamétralement en coïncidence avec un cran 50B de la deuxième série. Ainsi, le collier 30 est bloqué axialement et en pivotement simultanément par deux crans 50A, 50B coïncidents chacun emboîté avec la contrepartie 52 de chaque demi-collier 30A, 30B.The two series of notches 50A, 50B have the same number of notches 50A, 50B. Each notch 50A of the first series is arranged diametrically in coincidence with a notch 50B of the second series. Thus, the collar 30 is axially locked and pivoted simultaneously by two notches 50A, 50B coincidentally each nested with the counterpart 52 of each half-collar 30A, 30B.

La contrepartie 52 de chaque demi-collier 30A, 30B est agencée au centre de sa face 32 interne de serrage. De ce fait, les deux contreparties 52 du collier 30 sont agencées diamétralement en vis-à-vis.The counterpart 52 of each half-collar 30A, 30B is arranged in the center of its internal clamping face 32. Therefore, the two counterparts 52 of the collar 30 are arranged diametrically vis-à-vis.

Les deux demi-colliers 30A, 30B équipés de leur contrepartie présentent ainsi une structure identique. Ceci permet notamment de réduire leur coût de production en permettant leur moulage à partir d'un unique moule.The two half-collars 30A, 30B equipped with their counterpart thus have an identical structure. This allows in particular to reduce their production cost by allowing their molding from a single mold.

Cet agencement de la contrepartie 52 permet aussi de garantir que l'oeillet 46 de chaque collier 30 soit dirigé vers l'intérieur de la courbure de l'armature 24, en direction du sol.This arrangement of the counterpart 52 also makes it possible to guarantee that the eyelet 46 of each collar 30 is directed towards the inside of the curvature of the armature 24, towards the floor.

De plus, cet agencement des crans 50A, 50B par rapport aux demi-colliers 30A, 30B permet d'emboîter automatiquement les contreparties 52 dans les crans 50A, 50B associés lors de la mise en position des deux demi-colliers 30A, 30B autour de l'armature 14 par un mouvement radial orthogonal aux faces 36 de joint de chaque demi-collier 30A, 30B.In addition, this arrangement of the notches 50A, 50B with respect to the half-collars 30A, 30B makes it possible to automatically nest the counterparts 52 in the notches 50A, 50B associated during the positioning of the two half-collars 30A, 30B around the armature 14 by a radial movement orthogonal to the joint faces 36 of each half-collar 30A, 30B.

Dans l'exemple représenté à la figure 1, les six rayons 24 de l'échelle 22 de cordes sont fixés à l'armature 14 au moyen de six colliers 30. Chaque collier 30 est emboîté avec deux crans 50A, 50B opposés. Des crans 50A, 50B sont laissés libres entre chaque collier 30.In the example shown in figure 1 the six spokes 24 of the rope ladder 22 are attached to the frame 14 by means of six collars 30. Each collar 30 is fitted with two opposing notches 50A, 50B. Notches 50A, 50B are left free between each collar 30.

Si l'utilisateur souhaite remplacer l'échelle 22 de cordes par une balançoire, il faut dévisser les boulons 40, 42 pour pouvoir séparer les demi-colliers 30A, 30B et ainsi démonter chaque collier 30. L'armature 14 est alors entièrement libre. Puis, on fixe les colliers nécessaires à la suspension du nouvel agrès face aux crans 50A, 50B sélectionnés.If the user wishes to replace the scale 22 of strings by a swing, it is necessary to unscrew the bolts 40, 42 to be able to separate the half-collars 30A, 30B and thus disassemble each collar 30. The armature 14 is then completely free. Then, we fix the collars necessary for the suspension of the new apparatus facing notches 50A, 50B selected.

L'agencement réalisé selon les enseignements de l'invention permet ainsi de fixer les colliers à l'emplacement choisi tout en garantissant l'immobilité du collier par rapport à l'armature.The arrangement made according to the teachings of the invention thus makes it possible to fix the collars at the chosen location while guaranteeing the immobility of the collar with respect to the reinforcement.

En outre, l'absence de trou dans chaque cran permet d'éviter la pénétration d'eau à l'intérieur de l'armature.In addition, the absence of holes in each notch prevents the penetration of water inside the frame.

La réalisation des crans par emboutissage permet d'obtenir l'armature 14 de manière rapide et peu onéreuse.Achieving the notches by stamping makes it possible to obtain the reinforcement 14 quickly and inexpensively.

Claims (9)

  1. Arrangement for fixing apparatus (22) on a playground structure (10), the arrangement comprising:
    - at least one frame (14) having a tubular metal wall with a constant cross section on at least one fixing segment;
    - at least one fixing collar (30) which is intended to be fixed by clamping around said fixing segment;
    characterised in that at least one first outer side zone of the wall of said segment comprises at least one first series of regularly axially distributed identical notches (50A), each notch (50A) being blind, the inner face (32) of the collar (30) comprising a counterpart (52) of complementary shape to a notch (50A) which is intended to be nested with one of the notches (50A) during the fixing of the collar (30) to immobilise the collar (30) axially in a selected position.
  2. Arrangement according to the preceding claim, characterised in that the notches (50A) of a series are aligned axially.
  3. Arrangement according to the preceding claim, characterised in that two adjacent notches (50A) are separated by a distance slightly greater than the thickness of the collar (30).
  4. Arrangement according to any one of the preceding claims, characterised in that each notch (50A) is obtained by local deformation of the wall of the frame (14).
  5. Arrangement according to any one of the preceding claims, characterised in that said fixing segment has a circular cross section, the interlocking of the counterpart (52) of the collar (30) with one of the notches (50A) making it possible to prevent the rotation of the collar (30) around the axis (C) of the frame (14).
  6. Arrangement according to any one of the preceding claims, characterised in that each notch (50A) has a concave shape.
  7. Arrangement according to the preceding claim, characterised in that each notch (50A) is obtained by stamping the tubular wall of the frame (14).
  8. Arrangement according to any one of the preceding claims, characterised in that a second outer side zone of the frame (14) wall comprises a second series of notches (50B) which is identical to the first series of notches (50A), each notch (50A) of the first series being arranged diametrically opposite a notch (50B) of the second series, the inner face (32) of the collar (30) comprising a second counterpart (52) arranged diametrically opposite the first counterpart (52).
  9. Arrangement according to any one of the preceding claims, characterised in that said fixing portion extends over the whole length of the frame (14).
EP15167505.5A 2014-05-19 2015-05-13 Arrangement for fastening attachments to a frame having a series of blind indentations engaging with a fastening collar Active EP2946814B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1454446A FR3020961B1 (en) 2014-05-19 2014-05-19 ARRANGEMENT FOR FASTENING AGRATS ON AN ARMATURE COMPRISING A SERIES OF CRANES BORGNES COOPERATING WITH A FIXING COLLAR

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EP2946814A1 EP2946814A1 (en) 2015-11-25
EP2946814B1 true EP2946814B1 (en) 2018-10-03

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EP15167505.5A Active EP2946814B1 (en) 2014-05-19 2015-05-13 Arrangement for fastening attachments to a frame having a series of blind indentations engaging with a fastening collar

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EP (1) EP2946814B1 (en)
FR (1) FR3020961B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084812A (en) * 1975-10-31 1978-04-18 Game Time, Inc. Playground swing apparatus
FR2562175B1 (en) * 1984-03-30 1987-09-11 Amca DEVICE FOR ASSEMBLING AND POSITIONING TUBULAR BODIES FOR THE CONSTRUCTION OF A SUPPORT FRAME, PARTICULARLY A GANTRY
DE29509001U1 (en) * 1995-05-31 1995-08-17 Wanzl Entwicklung Gmbh Transport trolley that can be moved by hand
US6475117B1 (en) * 1998-07-15 2002-11-05 Landscape Structures, Inc. Connection/Structure
CN201343114Y (en) * 2009-01-07 2009-11-11 曾伟震 Steering shaft telescopic structure of bicycle
DE202011104836U1 (en) * 2011-08-22 2011-11-15 Wesp Gmbh Mini trampoline with special oval shape, folding mechanism and adjustable degree of hardness of the jump surface

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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FR3020961B1 (en) 2016-05-20
FR3020961A1 (en) 2015-11-20
EP2946814A1 (en) 2015-11-25

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