EP0235039B1 - Coupling device for a tightened assembly of two tubular profile members which are cut at a certain angle - Google Patents

Coupling device for a tightened assembly of two tubular profile members which are cut at a certain angle Download PDF

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Publication number
EP0235039B1
EP0235039B1 EP19870400387 EP87400387A EP0235039B1 EP 0235039 B1 EP0235039 B1 EP 0235039B1 EP 19870400387 EP19870400387 EP 19870400387 EP 87400387 A EP87400387 A EP 87400387A EP 0235039 B1 EP0235039 B1 EP 0235039B1
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EP
European Patent Office
Prior art keywords
square
branch
exterior
junction piece
interior
Prior art date
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Expired
Application number
EP19870400387
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German (de)
French (fr)
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EP0235039A1 (en
Inventor
Claude Job
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Alcan France SA
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Technal SA
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Publication date
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Publication of EP0235039A1 publication Critical patent/EP0235039A1/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/98—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members the connecting pieces being specially adapted for drawing the frame members towards each other
    • E06B3/982—Mitre joints

Definitions

  • the present invention relates to a junction piece making it possible to assemble by approximation two tubular or almost tubular sections cut from tabs at a given angle, for the production of panel frames, doors, windows or shutters.
  • junction pieces are of the type comprising a double pin square, one symmetrical outside, truncated on the angle and generally comprising a thread capable of receiving a spacer screw, the other symmetrical inside, truncated on the 'angle for the support of said spacer screw, each branch of the double bracket being received in a tubular cavity of the corresponding profile whose external wall has a lumen into which the associated pin can penetrate for the bringing together and assembly of said profiles.
  • French Patent 2,332,447 describes a junction piece of this type, in which two conical springs are arranged between the outer and inner brackets, each spring being held in place by a groove in the inner bracket and the recess of a shoulder pin mounted on the outer bracket, the free end of said pin having a shoulder received in the corresponding lumen of the profile.
  • Such a junction piece has several drawbacks. First, it assumes a set of seven parts, whose bulk in thickness remains significant. Then, the maintenance of the profiles is not perfect, because the contact between the connecting piece and the external wall of the cavity of each profile is limited to the shoulder of the corresponding pin. Finally, the points of application of the support forces produced for the assembly (bosses of the inner bracket on the one hand, shoulders of the pins of the outer bracket on the other hand) are arranged substantially opposite, due to the fact of the presence of the springs, therefore in a direction substantially at 45 ° from that of the tightening, which induces an undesirable torque.
  • the object of the invention is to propose a junction piece making it possible to carry out, in a single operation, a perfect assembly of two tubular profiles whose internal cavities can be of particularly small dimensions, it being understood that said profiles can be closed or not , the term tubular to be understood in a broad sense.
  • Another object of the invention is also to produce a junction piece comprising the minimum of components, which are not likely to separate when the piece is not yet assembled.
  • the junction piece considered making it possible to assemble by approximation two tubular sections cut at a given angle, comprising a double square with pawns, one symmetrical outside, truncated on the angle and comprising a means of spacing defining a tightening direction, the other symmetrical interior, truncated on the angle for the support of said spacing means, each branch of the double bracket being received in a tubular cavity of the corresponding profile whose external wall has a lumen into which the associated pin can penetrate for bringing together and assembling said sections, the outer bracket having internal facets in the vicinity of the end of each of its branches, the plane of said facets being substantially parallel to the tightening direction l ' inner square being rigid and in contact by its free ends with said facets, each branch of the double square having a pin projecting from the facet e external of the external bracket, the contact of contact with the external wall of the associated tubular cavity being ensured by said external face of the external bracket (see p.
  • FR-A-2 429 350 is characterized in that the outer bracket is also rigid and the inner bracket has a protruding boss on its internal face, ensuring bearing contact with the internal wall of the tubular cavity, the clearance of the inner bracket in the outer bracket being limited above by a re-entrant flange provided at the end of each branch of the outer bracket.
  • the pin and the boss of each branch of the double bracket remain on an axis substantially parallel to the plane of the adjacent face of said branch, which prevents any appearance of an unfavorable induced torque during the final assembly.
  • the pin of each branch of the double bracket is provided substantially at half-distance from said branch.
  • the re-entrant flange substantially trapezoidal, terminates a 90 ° return from the corresponding end of the branch of the outer bracket.
  • the clearance of the inner bracket in the outer bracket is limited lower by the contact of their opposite faces, the bosses of the inner bracket then projecting slightly from the inner edge of the corresponding end of the branch of the 'outside bracket, or by the contact of two stops formed on said opposite faces, for each branch of the double bracket; this makes it possible to assemble profiles with particularly narrow tubes, without compromising the security of the assembly.
  • the rigid external and internal brackets each form a right angle; similarly, the spacing means will for example consist of a screw received in a thread on the outer bracket.
  • the junction piece illustrated in Figure 1 is essentially constituted by a double square 1, the symmetrical outer bracket 2 being truncated on the angle and here comprising a thread 3 capable of receiving a spacer screw 4, the inner bracket symmetrical 5 also being truncated on the angle for the support of said spacer screw.
  • spacer means could be used, for example a pivoting cam.
  • the outer bracket 2 is rigid, and has internal facets 6 in the vicinity of the end of each of its branches 7, the plane of said facets being substantially parallel to the axis of the spacer screw 4 (clamping axis 8), the inner bracket 5, also rigid, being in contact by the free ends of its branches 9 with the facets 6; each branch of the double square 1 has a pin 10 projecting from the external face 12 of the external bracket 2, and a boss 11 projecting from the internal face 13 of the internal bracket 5.
  • the junction piece of the invention uses the general principle of pin brackets, according to which each branch of the double bracket is received in a tubular cavity of the corresponding profile, the external wall of which has a lumen into which the associated pin can penetrate, for bringing together and assembling the tubular profiles.
  • the bearing contact with the external and internal walls of the associated tubular cavity is here respectively provided by the external face 12 of the external bracket 2 and the boss 11 of the internal bracket 5, this support contact ensuring perfect maintenance of the assembled profiles.
  • the internal dimension of the tubing that is to say the spacing between the external wall 16, 16 'and the internal wall 17, 17' of the sections 14, 14 'respectively, can therefore be particularly reduced thanks to the ultra character - flat of the double bracket of the invention, the maximum height of which (determined by the spacing between pin 10 and adjacent boss 11) can be particularly small, the thickness of the outer 2 and inner 5 brackets however having to be sufficient for is preserved their rigidity in bending.
  • the maximum height of the double bracket before tightening will be slightly less than the internal dimension of the tubing so as to be accommodated therein easily, the space between pin 10 and external wall 16 being exaggerated in FIG. 2A for to facilitate clarity.
  • Each profile 14, 14 ' has, at its outer wall 16, 16', an oblong opening 18, 18 'whose length must be greater than the diameter of the pins 10 engaging it, and an end notch 19, 19 'allowing the passage of the spacer screw 4 and the associated tightening tool.
  • the slots 18, 18 ′ are made so that the distance between their inner edge and the apex of the angle is substantially equal to the distance between the pin and the apex of the angle of the outer square, so that during tightening, the pins can come close on the canvas of the profiles.
  • the “free expansion of the double bracket of the invention during tightening is possible thanks to the play existing between the diameter of the pin and the associated oblong lumen.
  • the pins 10 undergo a translational movement in an oblique direction to arrive at the final position of Figure 2B where the assembly is completed.
  • the pin 10 and the boss 11 of each branch of the double bracket remain located on an axis substantially parallel to the plane of the adjacent facet 6 of said branch, which is let us recall it parallel to the tightening axis 8.
  • This oblique correspondence is illustrated by the delta interval in FIG. 2B, the result of such an arrangement being that any occurrence of an unfavorable induced torque is avoided during of the final assembly.
  • the pin 10 of this branch 7 of the outer bracket 2 is then provided substantially at mid-distance from said branch, which ensures, in combination with the bosses 11 of the inner bracket 5, an excellent distribution of forces.
  • the movement of the inner bracket 5 in the outer bracket 2 is limited above by a re-entrant flange 20 provided at the end of each branch 7 of the outer bracket 2, said flange, substantially trapezoidal, ending a return to 90 ° of the corresponding end of said branch. This makes it possible in particular to avoid any risk of loss of the internal bracket before the assembly of the junction piece on the tubular section to be assembled.
  • the clearance of the inner bracket 5 in the outer bracket 2 is itself lowered either by the contact of their opposite face, as illustrated in FIG. 2A, or by the contact of stops 21 and 22 formed on their opposite face for each branch 7, 9 of the double bracket, the bosses 11 of the inner bracket then projecting slightly from the inner edge of the corresponding end of the branch 7 of the outer bracket 2.
  • junction piece of the invention makes it possible to assemble by bringing together two tubular or almost tubular sections cut at an angle different from 90 °: however, in this case, the principle of the internal facets parallel to the axis tightening remains, as well as the other essential characteristic of the invention according to which the bearing contact with the external and internal walls of the associated tubular cavity is respectively ensured by the external faces of the external bracket and the bosses of the inner square.
  • Figure 3 gives an illustration of the position of the junction piece which has just been described and of the two tubular sections of which said piece assembles by bringing their cut closer together.
  • the junction piece comprising only three components, thus makes it possible to carry out, in a single operation, a perfect assembly of tubular profiles whose internal cavities can be of particularly reduced dimensions.
  • the extra-flat nature of the double square and the perfect assembly that it allows to achieve represents an important advance in the assembly technique, in particular compared to the devices illustrated in the French patents cited above.
  • the outer and inner brackets forming the junction piece have a simple structure allowing their easy realization from profiles, preferably aluminum, with a minimum of machining.

Description

La présente invention concerne une pièce de jonction permettant d'assembler par rapprochement deux profilés tubulaire ou presque tubulaire coupés d'onglets selon un angle donné, pour la réalisation de cadres de panneaux, portes, fenêtres ou volets.The present invention relates to a junction piece making it possible to assemble by approximation two tubular or almost tubular sections cut from tabs at a given angle, for the production of panel frames, doors, windows or shutters.

Il existe déjà un certain nombre de systèmes permettant d'assembler entre eux deux profilés tubulaires avec rapprochement des coupes.There are already a number of systems allowing two tubular sections to be joined together with the sections approaching each other.

Parmi ces systèmes, on s'intéresse surtout à ceux qui permettent de réaliser ce type d'assemblage en une seule opération, fin de disposer d'une mise en oeuvre qui doit pouvoir rester simple et rapide, et en particulier les systèmes dits à pions rétractables.Among these systems, we are mainly interested in those which allow this type of assembly to be carried out in a single operation, in order to have an implementation which must be able to remain simple and rapid, and in particular the so-called pawn systems. retractable.

De telles pièces de jonction sont du type comportant une double équerre à pions, l'une extérieure symétrique, tronquée sur l'angle et comportant en général un taraudage apte à recevoir une vis d'écartement, l'autre intérieure symétrique, tronquée sur l'angle pour l'appui de ladite vis d'écartement, chaque branche de la double équerre étant reçue dans une cavitié tubulaire du profilé correspondant dont la paroi externe présente une lumière dans laquelle peut pénétrer le pion associé pour le rapprochement et l'assemblage desdits profilés.Such junction pieces are of the type comprising a double pin square, one symmetrical outside, truncated on the angle and generally comprising a thread capable of receiving a spacer screw, the other symmetrical inside, truncated on the 'angle for the support of said spacer screw, each branch of the double bracket being received in a tubular cavity of the corresponding profile whose external wall has a lumen into which the associated pin can penetrate for the bringing together and assembly of said profiles.

Le brevet français 2 332 447 décrit une pièce de jonction de ce type, dans laquelle deux ressorts coniques sont disposés entre les équerres extérieure et intérieure, chaque ressort étant maintenu en place par une rainure de l'équerre intérieure et l'évidement d'un pion à épaulement monté sur l'équerre extérieure, l'extrémité libre dudit pion présentant un épaulement reçu dans la lumière correspondante du profilé.French Patent 2,332,447 describes a junction piece of this type, in which two conical springs are arranged between the outer and inner brackets, each spring being held in place by a groove in the inner bracket and the recess of a shoulder pin mounted on the outer bracket, the free end of said pin having a shoulder received in the corresponding lumen of the profile.

Une telle pièce de jonction présente plusieurs inconvénients. D'abord, elle suppose un ensemble de sept pièces, dont l'encombrement en épaisseur reste important. Ensuite, le maintien des profilés n'est pas parfait, car le contact entre la pièce de jonction et paroi externe de la cavité de chaque profilé est limité à l'épaulement du pion correspondant. Enfin, les points d'application des forces d'appui produites pour l'assemblage (bossages de l'équerre intérieure d'une part, épaulements des pions de l'équerre extérieure d'autre part) sont disposés sensiblement en regard, du fait de la présence des ressorts, donc selon une direction sensiblement à 45° de celle du serrage, ce qui induit un couple indésirable.Such a junction piece has several drawbacks. First, it assumes a set of seven parts, whose bulk in thickness remains significant. Then, the maintenance of the profiles is not perfect, because the contact between the connecting piece and the external wall of the cavity of each profile is limited to the shoulder of the corresponding pin. Finally, the points of application of the support forces produced for the assembly (bosses of the inner bracket on the one hand, shoulders of the pins of the outer bracket on the other hand) are arranged substantially opposite, due to the fact of the presence of the springs, therefore in a direction substantially at 45 ° from that of the tightening, which induces an undesirable torque.

Une autre illustration des techniques connues peut être trouvée dans le brevet français 2 429 350, lequel décrit une pièce de jonction dont l'équerre extérieure est flexible et se loge avec jeu dans l'évidement d'une équerre intérieure massive, cette dernière équerre assurant la rigidité de l'assemblage. Outre la complication d'usinage des équerres, ce type de pièces de jonction ne peut en fait s'adapter sur des profilés tubulaires de grandes dimensions intérieures. Il faut également noter que les deux équerres sont totalement disjointes à l'état démonté, ce qui est un inconvénient pratique évident.Another illustration of known techniques can be found in French patent 2,429,350, which describes a junction piece whose outer bracket is flexible and fits with clearance in the recess of a massive inner bracket, this latter bracket ensuring the rigidity of the assembly. In addition to the complication of machining the brackets, this type of junction piece cannot in fact be adapted to tubular profiles with large interior dimensions. It should also be noted that the two brackets are completely separate in the disassembled state, which is an obvious practical drawback.

L'arrière-plan technologique de l'invention peut être encore illustré par le brevet belge N° 692 401 et le brevet américain N° 3 848 390.The technological background of the invention can be further illustrated by Belgian patent N ° 692,401 and American patent N ° 3,848,390.

L'invention a pour objet de proposer une pièce de jonction permettant d'effectuer, en une seule opération, un assemblage parfait de deux profilés tubulaires dont les cavités intérieures peuvent être de dimensions particulièrement faibles, étant entendu que lesdits profilés peuvent être fermés ou non, le terme tubulaire devant être compris dans un sens large.The object of the invention is to propose a junction piece making it possible to carry out, in a single operation, a perfect assembly of two tubular profiles whose internal cavities can be of particularly small dimensions, it being understood that said profiles can be closed or not , the term tubular to be understood in a broad sense.

Un autre objet de l'invention est aussi de réaliser un pièce de jonction comprenant le minimum de composants, lesquels ne risquent pas de se séparer lorsque la pièce n'est pas encore montée.Another object of the invention is also to produce a junction piece comprising the minimum of components, which are not likely to separate when the piece is not yet assembled.

Selon l'invention, la pièce de jonction considérée, permettant d'assembler par rapprochement deux profilés tubulaires coupés à un angle donné, comportant une double équerre à pions, l'une extérieure symétrique, tronquée sur l'angle et comportant un moyen d'écartement définissant une direction de serrage, l'autre intérieure symétrique, tronquée sur l'angle pour l'appui dudit moyen d'écartement, chaque branche de la double équerre étant reçue dans une cavité tubulaire du profilé correspondant dont la paroi externe présente une lumière dans laquelle peut pénétrer le pion associé pour le rapprochement et l'assemblage desdits profilés, l'équerre extérieure présentant des facettes internes au voisinage de l'extrémité de chacune de ses branches le plan desdites facettes étant sensiblement parallèle à la direction de serrage l'équerre intérieure étant rigide et en contact par ses extrémités libres avec lesdites facettes, chaque branche de la double équerre présentant un pion saillant de la face externe de l'équerre extérieure, le contact d'appui avec la paroi externe de la cavité tubulaire associée étant assuré par ladite face externe de l'équerre extérieure (voir p. ex. FR-A-2 429 350), se caractérise en ce que l'équerre extérieure est également rigide et l'équerre intérieure présente un bossage saillant sur sa face interne, assurant un contact d'appui avec la paroi interne de la cavité tubulaire, le débattement de l'équerre intérieure dans l'équerre extérieure étant limité supérieurement par un rebord rentrant prévu à l'extrémité de chaque branche de l'équerre extérieure.According to the invention, the junction piece considered, making it possible to assemble by approximation two tubular sections cut at a given angle, comprising a double square with pawns, one symmetrical outside, truncated on the angle and comprising a means of spacing defining a tightening direction, the other symmetrical interior, truncated on the angle for the support of said spacing means, each branch of the double bracket being received in a tubular cavity of the corresponding profile whose external wall has a lumen into which the associated pin can penetrate for bringing together and assembling said sections, the outer bracket having internal facets in the vicinity of the end of each of its branches, the plane of said facets being substantially parallel to the tightening direction l ' inner square being rigid and in contact by its free ends with said facets, each branch of the double square having a pin projecting from the facet e external of the external bracket, the contact of contact with the external wall of the associated tubular cavity being ensured by said external face of the external bracket (see p. ex. FR-A-2 429 350), is characterized in that the outer bracket is also rigid and the inner bracket has a protruding boss on its internal face, ensuring bearing contact with the internal wall of the tubular cavity, the clearance of the inner bracket in the outer bracket being limited above by a re-entrant flange provided at the end of each branch of the outer bracket.

De préférence, le pion et le bossage de chaque branche de la double équerre restent situés sur un axe sensiblement parallèle au plan de la face adjacente de ladite branche, ce qui évite toute apparition d'un couple induit défavorable lors de l'assemblage final.Preferably, the pin and the boss of each branch of the double bracket remain on an axis substantially parallel to the plane of the adjacent face of said branch, which prevents any appearance of an unfavorable induced torque during the final assembly.

Pour une bonne répartition des efforts, le pion de chaque branche de la double équerre est prévue sensiblement à demi-distance de ladite branche.For a good distribution of forces, the pin of each branch of the double bracket is provided substantially at half-distance from said branch.

De préférence, le rebord rentrant, sensiblement trapézoïdal, termine un retour à 90° de l'extrémité correspondante de la branche de l'équerre extérieure.Preferably, the re-entrant flange, substantially trapezoidal, terminates a 90 ° return from the corresponding end of the branch of the outer bracket.

De préférence, le débattement de l'équerre intérieure dans l'équerre extérieure est limité inférieurement par le contact de leurs faces en regard, les bossages de l'équerre intérieur saillant alors légèrement du bord interne de l'extrémité correspondante de la branche de l'équerre extérieur, ou encore par le contact de deux butées ménagées sur lesdites faces en regard, pour chaque branche de la double équerre ; ceci permet d'assembler des profilés à tubulures particulièrement étroites, sans nuire à la sécurité de l'assemblage.Preferably, the clearance of the inner bracket in the outer bracket is limited lower by the contact of their opposite faces, the bosses of the inner bracket then projecting slightly from the inner edge of the corresponding end of the branch of the 'outside bracket, or by the contact of two stops formed on said opposite faces, for each branch of the double bracket; this makes it possible to assemble profiles with particularly narrow tubes, without compromising the security of the assembly.

Bien que ce ne soit pas limitatif, il est prévu que les équerres rigides extérieure et intérieure forment chacune un angle droit ; de même, le moyen d'écartement sera par exemple constitué par une vis reçue dans un taraudage de l'équerre extérieure.Although this is not limiting, it is intended that the rigid external and internal brackets each form a right angle; similarly, the spacing means will for example consist of a screw received in a thread on the outer bracket.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lumière de la description et des dessins annexés, concernant un mode de réalisation préférentiel, en référence aux figures où :

  • La Figure 1 est une vue en élévation d'une pièce de jonction conforme à l'invention, dont l'équerre intérieure est en position de débattement maximal ;
  • Les Figure 2A et 2B illustrent respectivement le début et la fin de la mise en place de la pièce de jonction de la Figure 1 en vue d'un assemblage par rapprochement de deux profilés tubulaires coupés à angle droit ;
  • La Figure 3 est une vue éclatée en perspective d'un assemblage entre deux profilés, réalisable en une seule opération au moyen de la pièce de jonction des figures précédentes.
Other characteristics and advantages of the invention will appear more clearly in the light of the description and the appended drawings, relating to a preferred embodiment, with reference to the figures in which:
  • Figure 1 is an elevational view of a connecting piece according to the invention, the inner bracket is in the position of maximum clearance;
  • FIGS. 2A and 2B respectively illustrate the start and the end of the fitting of the junction piece of FIG. 1 with a view to assembling two tubular sections cut at right angles together;
  • Figure 3 is an exploded perspective view of an assembly between two sections, achievable in a single operation by means of the connecting piece of the previous figures.

La pièce de jonction illustrée à la Figure 1 est essentiellement constituée par une double équerre 1, l'équerre extérieure symétrique 2 étant tronquée sur l'angle et comportant ici un taraudage 3 apte à recevoir une vis d'écartement 4, l'équerre intérieur symétrique 5 étant également tronquée sur l'angle pour l'appui de ladite vis d'écartement. Il va de soi que l'on pourrait utiliser d'autres moyens d'écartement, par exemple une came pivotante.The junction piece illustrated in Figure 1 is essentially constituted by a double square 1, the symmetrical outer bracket 2 being truncated on the angle and here comprising a thread 3 capable of receiving a spacer screw 4, the inner bracket symmetrical 5 also being truncated on the angle for the support of said spacer screw. It goes without saying that other spacer means could be used, for example a pivoting cam.

Conformément à un aspect essentiel de l'invention, l'équerre extérieure 2 est rigide, et présente des facettes internes 6 au voisinage de l'extrémité de chacune de ses branches 7, le plan desdites facettes étant sensiblement parallèle à l'axe de la vis d'écartement 4 (axe de serrage 8), l'équerre intérieure 5, également rigide, étant en contact par les extrémités libres de ses branches 9 avec les facettes 6 ; chaque branche de la double équerre 1 présente un pion 10 saillant de la face externe 12 de l'équerre extérieure 2, et un bossage 11 saillant de la face interne 13 de l'équerre intérieure 5.According to an essential aspect of the invention, the outer bracket 2 is rigid, and has internal facets 6 in the vicinity of the end of each of its branches 7, the plane of said facets being substantially parallel to the axis of the spacer screw 4 (clamping axis 8), the inner bracket 5, also rigid, being in contact by the free ends of its branches 9 with the facets 6; each branch of the double square 1 has a pin 10 projecting from the external face 12 of the external bracket 2, and a boss 11 projecting from the internal face 13 of the internal bracket 5.

La pièce de jonction de l'invention utilise le principe général des équerres à pions, selon lequel chaque branche de la double équerre est reçue dans une cavité tubulaire du profilé correspondant, dont la paroi externe présente une lumière dans laquelle peut pénétrer le pion associé, pour le rapprochement et l'assemblage des profilés tubulaires. Cependant, ainsi que cela va être maintenant décrit, le contact d'appui avec les parois externe et interne de la cavité tubulaire associée est ici respectivement assuré par la face externe 12 de l'équerre extérieure 2 et le bossage 11 de l'équerre intérieure 5, ce contact d'appui garantissant un maintien parfait des profilés assemblés.The junction piece of the invention uses the general principle of pin brackets, according to which each branch of the double bracket is received in a tubular cavity of the corresponding profile, the external wall of which has a lumen into which the associated pin can penetrate, for bringing together and assembling the tubular profiles. However, as will now be described, the bearing contact with the external and internal walls of the associated tubular cavity is here respectively provided by the external face 12 of the external bracket 2 and the boss 11 of the internal bracket 5, this support contact ensuring perfect maintenance of the assembled profiles.

Lorsque l'on désire assembler par rapprochement deux profilés tubulaires 14 et 14', ici coupés à angle droit, il suffit d'introduire les branches de la double équerre 1 dans les cavités tubulaires 15, 15' associées, la double équerre étant alors de préférence en position de débattement minimum pour faciliter la mise en place, ainsi que cela a été illustré sur la Figure 2A. Il est à noter que les facettes 6 de l'équerre extérieure 2 assurent un maintien en place de l'équerre intérieure 5 pour toutes les positions de « dilatation libre » de la double équerre. La dimension intérieure de la tubulure, c'est-à-dire l'écartement entre la paroi externe 16, 16' et la paroi interne 17, 17' des profilés 14, 14' respectivement, peut donc être particulièrement réduite grâce au caractère ultra- plat de la double équerre de l'invention, dont la hauteur maximale (déterminée par l'écartement entre pion 10 et bossage adjacent 11) peut être particulièrement faible, l'épaisseur des équerres extérieure 2 et intérieure 5 devant cependant être suffisante pour que soit préservée leur rigidité en flexion. Dans la pratique, la hauteur maximale de la double équerre avant serrage sera légèrement inférieure à la dimension intérieure de la tubulure de façon à venir s'y loger aisément, l'espace entre pion 10 et paroi externe 16 étant exagéré sur la Figure 2A pour en faciliter la clarté.When it is desired to assemble by bringing together two tubular sections 14 and 14 ', here cut at right angles, it suffices to introduce the branches of the double bracket 1 into the associated tubular cavities 15, 15', the double bracket then being preferably in the minimum travel position to facilitate installation, as shown in Figure 2A. It should be noted that the facets 6 of the outer bracket 2 hold the inner bracket 5 in place for all the positions of "free expansion" of the double bracket. The internal dimension of the tubing, that is to say the spacing between the external wall 16, 16 'and the internal wall 17, 17' of the sections 14, 14 'respectively, can therefore be particularly reduced thanks to the ultra character - flat of the double bracket of the invention, the maximum height of which (determined by the spacing between pin 10 and adjacent boss 11) can be particularly small, the thickness of the outer 2 and inner 5 brackets however having to be sufficient for is preserved their rigidity in bending. In practice, the maximum height of the double bracket before tightening will be slightly less than the internal dimension of the tubing so as to be accommodated therein easily, the space between pin 10 and external wall 16 being exaggerated in FIG. 2A for to facilitate clarity.

Chaque profilé 14, 14' présente, au niveau de sa paroi externe 16, 16', une ouverture oblongue 18, 18' dont la longueur doit être supérieure au diamètre des pions 10 s'y engageant, et une échancrure d'extrémité 19, 19' permettant le passage de la vis d'écartement 4 et de l'outil de serrage associé. Les lumières 18, 18' sont réalisées de façon que la distance entre leur bord intérieur et le sommet de l'angle soit sensiblement égale à la distance entre le pion et le sommet de l'angle de l'équerre extérieure, de telle manière que lors du serrage, les pions puissent venir talonner sur la toile des profilés. La « dilatation libre de la double équerre de l'invention lors du serrage est possible grâce au jeu existant entre le diamètre du pion et la lumière oblongue associée. Lors du serrage, les pions 10 subissent un mouvement de translation dans une direction oblique pour arriver à la position finale de la Figure 2B où l'assemblage est terminé.Each profile 14, 14 'has, at its outer wall 16, 16', an oblong opening 18, 18 'whose length must be greater than the diameter of the pins 10 engaging it, and an end notch 19, 19 'allowing the passage of the spacer screw 4 and the associated tightening tool. The slots 18, 18 ′ are made so that the distance between their inner edge and the apex of the angle is substantially equal to the distance between the pin and the apex of the angle of the outer square, so that during tightening, the pins can come close on the canvas of the profiles. The “free expansion of the double bracket of the invention during tightening is possible thanks to the play existing between the diameter of the pin and the associated oblong lumen. During tightening, the pins 10 undergo a translational movement in an oblique direction to arrive at the final position of Figure 2B where the assembly is completed.

De préférence, le pion 10 et le bossage 11 de chaque branche de la double équerre restent situés sur un axe sensiblement parallèle au plan de la facette adjacente 6 de ladite branche, lequel est rappelons-le parallèle à l'axe de serrage 8. Cette correspondance oblique est illustrée par l'intervalle delta sur la Figure 2B, le résultat d'une telle disposition étant que l'on évite toute apparition d'un couple induit défavorable lors de l'assemblage final. Le pion 10 de cette branche 7 de l'équerre extérieure 2 est alors prévu sensiblement à mi-distance de ladite branche, ce qui assure, en combinaison avec les bossages 11 de l'équerre intérieure 5, une excellente répartition des efforts.Preferably, the pin 10 and the boss 11 of each branch of the double bracket remain located on an axis substantially parallel to the plane of the adjacent facet 6 of said branch, which is let us recall it parallel to the tightening axis 8. This oblique correspondence is illustrated by the delta interval in FIG. 2B, the result of such an arrangement being that any occurrence of an unfavorable induced torque is avoided during of the final assembly. The pin 10 of this branch 7 of the outer bracket 2 is then provided substantially at mid-distance from said branch, which ensures, in combination with the bosses 11 of the inner bracket 5, an excellent distribution of forces.

Le débattement de l'équerre intérieure 5 dans l'équerre extérieure 2 est limité supérieurement par un rebord rentrant 20 prévu à l'extrémité de chaque branche 7 de l'équerre extérieure 2, ledit rebord, sensiblement trapézoïdal, terminant un retour à 90° de l'extrémité correspondante de ladite branche. Ceci permet notamment d'éviter tout risque de perte de l'équerre intérieure avant l'assemblage de la pièce de jonction sur le profilé tubulaire à assembler.The movement of the inner bracket 5 in the outer bracket 2 is limited above by a re-entrant flange 20 provided at the end of each branch 7 of the outer bracket 2, said flange, substantially trapezoidal, ending a return to 90 ° of the corresponding end of said branch. This makes it possible in particular to avoid any risk of loss of the internal bracket before the assembly of the junction piece on the tubular section to be assembled.

Le débattement de l'équerre intérieure 5 dans l'équerre extérieure 2 est quant à lui limité inférieurement soit par le contact de leur face en regard, comme cela est illustré à la Figure 2A, soit par le contact de butées 21 et 22 ménagées sur leur face en regard pour chaque branche 7, 9 de la double équerre, les bossages 11 de l'équerre intérieure saillant alors légèrement du bord interne de l'extrémité correspondante de la branche 7 de l'équerre extérieure 2.The clearance of the inner bracket 5 in the outer bracket 2 is itself lowered either by the contact of their opposite face, as illustrated in FIG. 2A, or by the contact of stops 21 and 22 formed on their opposite face for each branch 7, 9 of the double bracket, the bosses 11 of the inner bracket then projecting slightly from the inner edge of the corresponding end of the branch 7 of the outer bracket 2.

Il convient de noter que la pièce de jonction de l'invention permet d'assembler par rapprochement deux profilés tubulaires ou presque tubulaires coupés selon un angle différent de 90° : cependant, dans ce cas, le principe des facettes internes parallèles à l'axe de serrage subsiste, de même que l'autre caractéristique essentielle de l'invention selon laquelle le contact d'appui avec les parois externe et interne de la cavité tubulaire associée est respectivement assuré par les faces externes de l'équerre extéreure et les bossages de l'équerre intérieure.It should be noted that the junction piece of the invention makes it possible to assemble by bringing together two tubular or almost tubular sections cut at an angle different from 90 °: however, in this case, the principle of the internal facets parallel to the axis tightening remains, as well as the other essential characteristic of the invention according to which the bearing contact with the external and internal walls of the associated tubular cavity is respectively ensured by the external faces of the external bracket and the bosses of the inner square.

La Figure 3 donne une illustration de la position de la pièce de jonction qui vient d'être décrite et des deux profilés tubulaires dont ladite pièce assure l'assemblage par rapprochement de leur coupe. La pièce de jonction, ne comportant que trois composants, permet ainsi d'effectuer, en une seule opération, un assemblage parfait de profilés tubulaires dont les cavités intérieures peuvent être de dimensions particulièrement réduites. Le caractère extra-plat de la double équerre et l'assemblage parfait que celle-ci permet de réaliser représente un progrès important dans la technique de l'assemblage, en particulier par rapport aux dispositifs illustrés dans les brevets français cités plus haut.Figure 3 gives an illustration of the position of the junction piece which has just been described and of the two tubular sections of which said piece assembles by bringing their cut closer together. The junction piece, comprising only three components, thus makes it possible to carry out, in a single operation, a perfect assembly of tubular profiles whose internal cavities can be of particularly reduced dimensions. The extra-flat nature of the double square and the perfect assembly that it allows to achieve represents an important advance in the assembly technique, in particular compared to the devices illustrated in the French patents cited above.

Les équerres extérieure et intérieure formant la pièce de jonction présentent une structure simple permettant leur réalisation aisée à partir de profilés, de préférence en aluminium, avec un minimum d'usinages.The outer and inner brackets forming the junction piece have a simple structure allowing their easy realization from profiles, preferably aluminum, with a minimum of machining.

Claims (8)

1. Junction piece for joining by bringing them together, two tubular (14-14') cut with a predetermined angle, comprising a double square (1) with knobs (10), a symetrical exterior one (2), truncated on the corner and having spacing means (4) defining a tightening direction, the symetrical . interior other (5), truncated on the corner for supporting said spacing means (4), each branch of the double square being received in the tubular cavity (15-15') of the corresponding beam (14-14') of which the external wall presente an aperture (18-18') into which can penetrate the associated knob for the bringing together and the joining of said beams, the exterior square (2) having internal facets near the end each of its branches (7), the plane of said facets being substantially parallel with the tightening direction (8), the interior square (5) being rigid and in contact by its free ends with said facets, each branch of the double square having a knob (10) projecting from the external face (12) of the exterior square (2), the bearing contact with the external wall of the associated tubular cavity being ensured by said external face (12) of the exterior square (2), characterized in that the exterior square is equally rigid and the interior square (5) has a boss (11) projecting on its internal face (13), ensuring a bearing contact with the internal wall of the tubular cavity, the range of movement of the interior square (5) within the exterior square (2) being upwardly limited by a recess lip (20) provided at the end of each branch (7) of the exterior square (2).
2. Junction piece according to claim 1, characterized in that the knobs (10) and the boss (11) of each branch of the double square remain located on an axis substantially parallel with the plane of adjacent facet (6) of said branch.
3. Junction piece according to one of claims 1 and 2, characterized in that the knob (10) of each branch 6f the double square is provided substantially at half-distance od said branch.
4. Junction piece according to claim 1, characterized in that the recess lip (20), substantially trapezoidal, ends a 90° recess of the corresponding end of the branch (7) of the exterior square.
5. Junction piece according to one of claims 1 to 4, characterized in that the range of movement of the interior square (5) within the exterior square (2) is downwardly limited by the contact of their faces located in view of each other, the bosses (11) of the interior square then slightly projecting from the internal edge of the corresponding end of the branch (7) of the exterior square.
6. Junction piece according to one of claims 1 to 4, characterized in that the range of movement the interior square (5) within the exterior square (2) is downwardly limited by the contact of two abutments (21, 22) arranged on their faces in view of each other for each branch (7, 9), of the double square, the bosses (11) of the interior square then slightly projecting from the internal edge of the corresponding end of the branch (7) of the exterior square.
7. Junction piece according to one of the claims 1 to 6, characterized in that the exterior (2) and interior (5) rigid squares are disposed at a right angle.
8. Junction piece according to one of claims 1 to 7, characterized in that the spacing means (4) is a screw (4) received in a threaded part of the exterior square (2).
EP19870400387 1986-02-24 1987-02-23 Coupling device for a tightened assembly of two tubular profile members which are cut at a certain angle Expired EP0235039B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8602498A FR2594905B1 (en) 1986-02-24 1986-02-24 JUNCTION PIECE FOR ASSEMBLING TWO TUBULAR PROFILES CUT TO AN APPROXIMATE ANGLE
FR8602498 1986-02-24

Publications (2)

Publication Number Publication Date
EP0235039A1 EP0235039A1 (en) 1987-09-02
EP0235039B1 true EP0235039B1 (en) 1989-09-20

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ID=9332444

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Application Number Title Priority Date Filing Date
EP19870400387 Expired EP0235039B1 (en) 1986-02-24 1987-02-23 Coupling device for a tightened assembly of two tubular profile members which are cut at a certain angle

Country Status (6)

Country Link
EP (1) EP0235039B1 (en)
DE (1) DE3760592D1 (en)
ES (1) ES2010705B3 (en)
FR (1) FR2594905B1 (en)
GR (1) GR3000162T3 (en)
PT (1) PT84344B (en)

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DE102004063465A1 (en) * 2004-12-23 2006-07-13 Murjahn, Wolfgang Multi-arm pipe connector

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AU655828B2 (en) * 1990-12-21 1995-01-12 Dowell Australia Limited Shower screens
IT230412Y1 (en) * 1993-09-17 1999-06-07 Alumix Spa TEAM CONNECTION STRUCTURE FOR THE RIGHT ANGLE JOINT OF METAL PROFILES FOR WINDOWS, FRAMES AND SIMILAR STRUCTURES
GR1002958B (en) * 1996-07-23 1998-09-01 Mechanical angle for joining metallic profiles.
DK174315B1 (en) * 1997-07-11 2002-12-02 Windoor Ab Combination of profile rails and joints for miter collections between such rails
GR1004653B (en) 2002-10-09 2004-08-04 Angular joint for the assembly of a couple of aluminium sections or like materials
FR2904068A1 (en) * 2006-07-18 2008-01-25 Norsk Hydro As Tubular profiles` ends connecting device for forming e.g. door of building, has pressure increasing unit to increase pressure exerted on walls with respect to surface of external cleat to form cavity connection between profiles and device
ITPD20110375A1 (en) * 2011-11-25 2013-05-26 Alutec S R L EXPANSION BOX FOR CORNER CONNECTION OF CABLE PROFILES
CN104481360B (en) * 2014-12-04 2016-05-18 佛山市三水浩迪亚金属材料有限公司 Section bar corner position system
WO2017035957A1 (en) * 2015-09-02 2017-03-09 浙江瑞明节能科技股份有限公司 Assembly frame structure of wooden casement window and corner assembly method
CN204920700U (en) * 2015-09-02 2015-12-30 浙江瑞明节能科技股份有限公司 A frame device of group that is used for wooden door and window frame or fans frame
GR1009147B (en) * 2015-11-18 2017-10-30 Αθανασιος Παυλου Λεονταριδης Angular connector for a pair of aluminium profiles and related materials
IT201700010571A1 (en) * 2017-01-31 2018-07-31 L M Dei F Lli Monticelli S R L GROUP INCLUDING A COUPLE OF PROFILES AND A TIGHTENING TEAM SEALED WITH THOSE PROFILES.
US10014674B1 (en) * 2017-07-05 2018-07-03 Seeless Solutions, Inc. Recessed wall mounting apparatus and method

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US3848390A (en) * 1973-01-12 1974-11-19 United States Banknote Corp Window fastener
FR2429350A1 (en) * 1978-06-21 1980-01-18 Sodial Connector for box sections - uses insert block including L=section which is screw jacked off external angle to effect wedge lock

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DE102004063465A1 (en) * 2004-12-23 2006-07-13 Murjahn, Wolfgang Multi-arm pipe connector

Also Published As

Publication number Publication date
PT84344B (en) 1989-09-14
FR2594905B1 (en) 1988-06-24
ES2010705B3 (en) 1989-12-01
DE3760592D1 (en) 1989-10-26
PT84344A (en) 1987-03-01
GR3000162T3 (en) 1990-12-31
FR2594905A1 (en) 1987-08-28
EP0235039A1 (en) 1987-09-02

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