EP0073211B1 - Assembling apparatus for making frames or panels - Google Patents

Assembling apparatus for making frames or panels Download PDF

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Publication number
EP0073211B1
EP0073211B1 EP82900618A EP82900618A EP0073211B1 EP 0073211 B1 EP0073211 B1 EP 0073211B1 EP 82900618 A EP82900618 A EP 82900618A EP 82900618 A EP82900618 A EP 82900618A EP 0073211 B1 EP0073211 B1 EP 0073211B1
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EP
European Patent Office
Prior art keywords
cable
angles
tightener
slide
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82900618A
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German (de)
French (fr)
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EP0073211A1 (en
Inventor
Bernard Schwab
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andre Gueissaz et Cie SA
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Andre Gueissaz et Cie SA
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Publication date
Application filed by Andre Gueissaz et Cie SA filed Critical Andre Gueissaz et Cie SA
Priority to AT82900618T priority Critical patent/ATE14692T1/en
Publication of EP0073211A1 publication Critical patent/EP0073211A1/en
Application granted granted Critical
Publication of EP0073211B1 publication Critical patent/EP0073211B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/20—Vices for clamping work of special profile, e.g. pipes
    • B25B1/205—Vices of the chain or strip type

Definitions

  • the present invention relates to an assembly apparatus for making frames or panels comprising a set of angles capable of each embracing an angle of the frame or panel and provided with guide means, a cable surrounding the angles passing in said guide means, and a tensioner to which two end segments of the cable are attached and which is capable of being maneuvered so as to tension a central segment of the cable around the angles the tensioner comprising a body with a longitudinal axis and means d 'attachment of said end segments of the cable.
  • the tensioner is integral with one of the angles and therefore, when the tension is applied, the distribution of the forces is not symmetrical.
  • the angle located on the same diagonal as that of which the tensioner is integral will undergo a different force from those which are transmitted to the angles located on the other diagonal.
  • US Pat. No. 4,047,710 also describes an assembly device and in this device, the tensioner is independent of the angles since all of these elements are mounted individually on the same base plate. However, the design of the tensioner is then such that the development of the forces is not symmetrical either.
  • the object of the present invention is to create an apparatus of the kind mentioned at the start which is capable of facilitating the making of frames of very variable dimensions and which can apply considerable tensile forces to the cable, without resulting in a torque of torsion or buckling stress on the frame elements.
  • the apparatus according to the invention is characterized in that the tensioner is a device separate from the angles which comprises maneuvering means capable of moving the hooking means relative to the body in the direction of said axis, by exerting thus a tensile force on said end segments of the cable, and curved entry means integral with the body, symmetrical with respect to said axis and intended to guide portions of the cable located between said end segments and the central segment so that these portions of the cable extend in a straight line parallel to one side of the frame, from two angles located at the ends of this side of the frame and up to said input means.
  • maneuvering means capable of moving the hooking means relative to the body in the direction of said axis, by exerting thus a tensile force on said end segments of the cable
  • curved entry means integral with the body, symmetrical with respect to said axis and intended to guide portions of the cable located between said end segments and the central segment so that these portions of the cable extend in a straight line parallel to one side of the frame, from two angles located at the ends of
  • the apparatus shown in the drawing can be used for making frames of very variable dimensions, the minimum dimension being of the order of 10 x 10 cm and the largest dimension being able to reach up to 1 x 2 m or even more. depending on the length of the cable used.
  • the device comprises, on the one hand, four angles designated by 1, on the other hand, a tensioner designated by 2, and finally a flexible metal cable 3.
  • the angles are preferably made of a light alloy and obtained by molding. They are formed of a rectilinear body with a length of about 15 cm consisting of two walls 1 a and 1 b oriented at right angles to each other. The angles also have an upper wall 1c and at mid-height, a middle wall 1d parallel to the upper wall 1c. As seen in fig.
  • each angle iron has a second opening 1g which is formed between the middle wall 1d d and the foot of the angle iron and which also extends in the angle of the angle iron, that is to say partly in the wall 1 a and partly in the wall 1b.
  • each angle iron further comprises a flat boss 1e extending outwards, the shape of which is that of a semicircle and the edge of which is provided with a groove 4.
  • a shell mold could be provided allowing these parts to be taken out without requiring any retouching, except for the tapping of two coaxial openings formed in the center of the wall 1c and in the center of the wall 1d. These threads are intended to each receive one of the two screws 5 and 6 which carry the plates 7 and 8 of the clamp associated with each angle.
  • Each plate 7 and 8 is connected to the end of the screw which carries it by a pin 6a or 5a which extends the screw and by a tightening washer fixed to the pin and engaged in a recess 7a or 8a of the plate.
  • the plates 7 and 8 are guided by the walls 1a and 1b, while, to ensure the stability of the screws 5 and 6, the walls 1c and 1d can be provided with bosses intended to increase the length of the threads which pass through them. In their apex at right angles, the plates are also cut at an angle to make the joints of the frames visible during assembly.
  • the four angles 1 can be provided with a base plate (not shown). They are intended to be mounted on any horizontal support, table or workbench, while the cable 3 is engaged in the grooves 4 and the rods A, B, C and D of a frame are placed between the plates 7 and 8 clamps. These make it possible to assemble frame elements of different thicknesses thanks to the fact that the two plates 7 and 8 are movable in the longitudinal direction of the angles. Whatever the thickness of the frame, it is thus possible to place the elements A, B, C, D so that their center of gravity is at the height of the flat boss 1e. Thus, during the tightening of the cable, no torsional moment is recorded. This arrangement is essential for ensuring the positioning of the frame elements so as to avoid any buckling.
  • the device described makes it possible to avoid the buckling. of the frame even if the internal surfaces of the bevels, intended to contain the film of adhesive between them, are not absolutely regular.
  • the tensioner 2 is used.
  • This will preferably be made of high-strength metal parts, iron, steel, or, if necessary, nickel silver or brass.
  • It consists of an elongated rectangular frame 10 provided at one of its ends with two slides in an arc 11 and 12 arranged symmetrically.
  • the two slides 11 and 12 and the crossbar of the frame 10 which is adjacent to these two slides will be made in one molded piece, while the rest of the U-shaped frame will constitute a second piece, the two pieces being fixed to each other, for example by screws.
  • the two longitudinal sides 10a and 10b of the frame 10 are of rectangular profile and serve as guide rails for a clamp 13 formed so as to slide along the frame.
  • This clamp 13 itself consists of three pieces: a clamp body 14, of approximately circular shape with a rectangular groove 14a around its periphery, a clamping piece 15, also in the form of a flat disc which is held on the body of clamp 14, and a fixing screw 16.
  • This screw passes through an eccentric hole 17 of the part 15 and engages in a thread 18 of the clamp body 14.
  • the clamp body 14 has two flanges 19 which center the part 15 relative to the clamp body 14.
  • the body 14 and the clamping piece 15 are each provided with two parallel grooves 20 oriented along the axis of the tensioner and in which the end segments cable 3 engage when tightening.
  • the clamping piece 15 also has two bevels 21 on its two sides facing the longitudinal elements 10a and 10b of the frame 10.
  • the clamp body 14 is fixed to the end of a threaded rod 22 which extends longitudinally between the elements 10a and 10b, which passes through a smooth hole made in the transverse part 10c of the frame 10 and on which a nut is engaged with fins 23.
  • a threaded rod 22 which extends longitudinally between the elements 10a and 10b, which passes through a smooth hole made in the transverse part 10c of the frame 10 and on which a nut is engaged with fins 23.
  • the two parts of the clamp 13 have in the axis of the screw flats which allow the establishment of this assembly between the two longitudinal sides 10a and 10b of the frame.
  • the arrangement described makes it possible to exert on the cable a considerable tensile force, which ensures the tightening of the frame elements A, B, C, D against each other.
  • the glue which covers the contact surfaces is subjected to a pressure such that it is pushed back inside the pores of the wood, which considerably improves the rigidity of the fixing.
  • the clamp may consist of a clamp body 34 in the form of a prism. More specifically, the part 34 has on each of its longitudinal sides a slightly inclined surface 35 a more strongly inclined surface 36.
  • the clamping part 37 which comes to fit on the clamp body 34 has for its part an internal groove limited by two oblique internal faces 38 which extend parallel to the surfaces 36, so that the two end segments of the cable 3 are pinched in the internal dihedral angles of the clamp body 34.
  • the threaded rod 39 and the wing nut 40 which screws on the threaded rod 39 make it possible to tighten the clamp and consequently to block the two ends of the cable.
  • provision may be made for the longitudinal screw 22 to be released from the clamp, which makes it possible to put it in place thanks to the flats (not shown) that the part 37 and the body 34 have in the longitudinal direction of the tensioner.
  • the implementation of the device is extremely easy since the tensioner can be grasped with one hand while operating, either the screw 16 in order to tighten the cable segments in the clamp 13, or the nut 23 so to tighten the cable. To perform these operations, the tensioner is largely free.
  • the four angles which rest on the flat support on which the operation is carried out are rigidly connected to each other via the cable.
  • the clamps 5, 6, 7, 8 are also capable of being easily maneuvered since the screws 6 are accessible from the upper end of the angles while the screws 5 are accessible through the openings 3 described above.
  • the heads of these screws 5 and 6 may be knurled heads or heads provided with hooking means such as external panels or internal panels (Imbus screws) capable of being actuated by means of a key or any other tool. .
  • the presence of the openings 2 and the corresponding cut-outs of the plate 6 makes it possible to monitor the state of the joints between the frame elements A, B, C, D, throughout the 'surgery.
  • the apparatus described makes it possible to carry out very delicate and very precise adjustment operations. It facilitates the assembly of frames made of profiled rods even in the case where, because of their profile, these rods are difficult to handle. In particular, thanks to the presence of movable clamps in the direction parallel to the angles, the positioning of the rods is possible with very high precision. This is what ensures the high reliability of the device described.

Abstract

The frame elements, such as (A, B, C) are kept in place by four angle-bars (1) arranged at the angles of the frame and by the cramps (5, 6, 7, 8) mounted on each angle-bar. On the other hand, each angle-bar comprises a semi-circular flat bossing (1e) surrounding its apex at right angles. The edge of this bossing is provided with a groove (4) wherein the cable (3) passes. The tensioning device (2) comprises a clamp (13) tightened by a screw (16) allowing to clamp between its body and its tightening part the two strands of the cable (3). The nut (23) bearing against the end side of the frame (10) acts on the threaded rod (22) and exerts a traction force on the clamp (13) by which the cable is tensioned and the frame elements are tightened against each other.

Description

La présente invention a pour objet un appareil d'assemblage pour la confection de cadres ou de panneaux comprenant un ensemble de cornières capables d'embrasser chacune un angle du cadre ou du panneau et munies de moyens de guidage, un câble entourant les cornières en passant dans lesdits moyens de guidage, et un tendeur auquel deux segments extrêmes du câble sont attachés et qui est susceptible d'être manoeuvré de façon à tendre un segment central du câble autour des cornières le tendeur comportant un corps avec un axe longitudinal et des moyens d'accrochage desdits segments extrêmes du câble. Les appareils de ce genre connus jusqu'à maintenant doivent permettre à l'artisan ou à l'amateur qui désire réaliser un cadre en bois au moyen de quatre éléments rectilignes taillés en biseaux et collés, pour y placer un miroir, ou un tableau, ou qui désire constituer un cadre de fenêtre ou de porte, ou même un panneau quelconque, d'effectuer ces opérations en se passant de l'emploi de nombreux instruments de serrage.The present invention relates to an assembly apparatus for making frames or panels comprising a set of angles capable of each embracing an angle of the frame or panel and provided with guide means, a cable surrounding the angles passing in said guide means, and a tensioner to which two end segments of the cable are attached and which is capable of being maneuvered so as to tension a central segment of the cable around the angles the tensioner comprising a body with a longitudinal axis and means d 'attachment of said end segments of the cable. The devices of this kind known until now must allow the craftsman or the amateur who wishes to make a wooden frame by means of four rectilinear elements cut in bevels and glued, to place a mirror, or a table, or who wishes to constitute a window or door frame, or even any panel, to carry out these operations without the use of numerous clamping instruments.

Ainsi, le brevet britannique GB 1,006,056 décrit un appareil de ce genre, qui utilise en guise de câble une bande plate et souple.Thus, the British patent GB 1,006,056 describes an apparatus of this kind, which uses as a cable a flat and flexible strip.

Dans cet appareil connu, le tendeur est solidaire de l'une des cornières et de ce fait, au moment où on applique la tension, la répartition des efforts n'est pas symétrique. Par suite des frottements de la bande sur les surfaces incurvées des cornières, la cornière située sur la même diagonale que celle dont le tendeur est solidaire, subira un effort différent de ceux qui sont transmis aux cornières situées sur l'autre diagonale. Ces inégalités sont une source de difficultés lors de la mise en place des éléments des cadres et de risques de malfaçons.In this known device, the tensioner is integral with one of the angles and therefore, when the tension is applied, the distribution of the forces is not symmetrical. As a result of the friction of the strip on the curved surfaces of the angles, the angle located on the same diagonal as that of which the tensioner is integral, will undergo a different force from those which are transmitted to the angles located on the other diagonal. These inequalities are a source of difficulties when setting up the elements of the frameworks and risks of poor workmanship.

Le brevet US 4,047,710 décrit aussi un appareil d'assemblage et dans cet appareil, le tendeur est indépendant des cornières puisque tous ces éléments sont montés isolément sur une même plaque de base. Cependant, la conception du tendeur est alors telle que le développement des efforts n'est pas non plus symétrique.US Pat. No. 4,047,710 also describes an assembly device and in this device, the tensioner is independent of the angles since all of these elements are mounted individually on the same base plate. However, the design of the tensioner is then such that the development of the forces is not symmetrical either.

Le but de la présente invention est de créer un appareil du genre mentionné au début qui soit capable de faciliter la confection de cadres de dimensions très variables et qui puisse appliquer au câble des efforts de traction considérables, sans qu'il en résulte un couple de torsion ou un effort de voilement sur les éléments du cadre.The object of the present invention is to create an apparatus of the kind mentioned at the start which is capable of facilitating the making of frames of very variable dimensions and which can apply considerable tensile forces to the cable, without resulting in a torque of torsion or buckling stress on the frame elements.

Dans ce but, l'appareil selon l'invention est caractérisé en ce que le tendeur est un dispositif séparé des cornières qui comporte des moyens de manoeuvre capables de déplacer les moyens d'accrochage par rapport au corps dans la direction dudit axe, en exerçant ainsi un effort de traction sur lesdits segments extrêmes du câble, et des moyens d'entrée incurvés solidaires du corps, symétriques par rapport audit axe et destinés à guider des portions du câble situées entre lesdits segments extrêmes et le segment central de manière telle que ces portions du câble s'étendent selon une ligne droite parallèlement à un côté du cadre, à partir de deux cornières situées aux extrémités de ce côté du cadre et jusqu'auxdits moyens d'entrée.For this purpose, the apparatus according to the invention is characterized in that the tensioner is a device separate from the angles which comprises maneuvering means capable of moving the hooking means relative to the body in the direction of said axis, by exerting thus a tensile force on said end segments of the cable, and curved entry means integral with the body, symmetrical with respect to said axis and intended to guide portions of the cable located between said end segments and the central segment so that these portions of the cable extend in a straight line parallel to one side of the frame, from two angles located at the ends of this side of the frame and up to said input means.

On va décrire ci-après, à titre d'exemple, une forme de réalisation de l'appareil selon l'invention, en se référant au dessin annexé, dont

  • la figure 1 est une vue en plan de dessus,
  • la figure 2 une vue en élévation partielle de cette forme d'exécution,
  • la figure 3 une vue en coupe du tendeur selon la ligne III-III de la fig. 1, et
  • la figure 4 une vue en coupe analogue à celle de la fig. 3 représentant une variante d'exécution de la pince incorporée au tendeur.
An embodiment of the apparatus according to the invention will be described below, by way of example, with reference to the accompanying drawing, of which
  • FIG. 1 is a top plan view,
  • FIG. 2 a partial elevation view of this embodiment,
  • Figure 3 a sectional view of the tensioner according to line III-III of FIG. 1, and
  • Figure 4 a sectional view similar to that of FIG. 3 showing an alternative embodiment of the clamp incorporated in the tensioner.

L'appareil représenté au dessin peut être utilisé pour la confection de cadres de dimensions très variables, la dimension minimum étant de l'ordre de 10 x 10 cm et la dimension la plus grande pouvant atteindre jusqu'à 1 x 2 m ou même plus suivant la longueur du câble utilisé.The apparatus shown in the drawing can be used for making frames of very variable dimensions, the minimum dimension being of the order of 10 x 10 cm and the largest dimension being able to reach up to 1 x 2 m or even more. depending on the length of the cable used.

- L'appareil comporte, d'une part, quatre cornières désignées par 1, d'autre part, un tendeur désigné par 2, et enfin un câble métallique souple 3. Les cornières seront de préférence en un alliage léger et obtenues par moulage. Elles sont formées d'un corps rectiligne d'une longueur d'environ 15 cm constitué de deux parois 1 a et 1 b orientées à angle droit l'une de l'autre. Les cornières comportent en outre une paroi supérieure 1c et à mi-hauteur, une paroi médiane 1d parallèle à la paroi supérieure 1c. Comme on le voit à la fig. 1, les parois supérieures 1c ne couvrent pas toute la surface de la cornière, mais laissent découvert l'angle interne en ménageant une ouverture 1f de forme triangulaire qui permet de vérifier le positionnement des baguettes qui forment les côtés du cadre, lorsque celles-ci ont été mises en place, comme on le verra plus loin. Chaque cornière comporte une seconde ouverture 1g qui est ménagée entre la paroi médiane 1d d et le pied de la cornière et qui s'étend également dans l'angle de la cornière, c'est-à-dire en partie dans la paroi 1 a et en partie dans la paroi 1b. A mi-hauteur entre les parois 1d et 1c, chaque cornière comporte en outre un bossage plat 1e s'étendant vers l'extérieur, dont la forme en plan est celle d'un demi-cercle et dont la tranche est munie d'une gorge 4. Tous ces éléments sont venus d'une pièce de fonderie et lors de la fabrication en série, on pourra prévoir un moule en coquille permettant de sortir ces pièces sans qu'elles nécessitent aucune retouche, si ce n'est le taraudage de deux ouvertures coaxiales ménagées au centre de la paroi 1c et au centre de la paroi 1d. Ces taraudages sont destinés à recevoir chacun une des deux vis 5 et 6 qui portent les plateaux 7 et 8 du serre-joint associé à chaque cornière. Chaque plateau 7 et 8 est relié à l'extrémité de la vis qui le porte par un tenon 6a ou 5a qui prolonge la vis et par une rondelle de serrage fixée au tenon et engagée dans une noyure 7a ou 8a du plateau. On comprend que les plateaux 7 et 8 sont guidés par les parois 1a et 1b, tandis que, pour assurer la stabilité des vis 5 et 6, les parois 1c et 1d peuvent être munies de bossages destinés à augmenter la longueur des taraudages qui les traversent. Dans leur sommet à angle droit, les plateaux sont également coupés en biais pour rendre les joints des cadres visibles pendant l'assemblage.- The device comprises, on the one hand, four angles designated by 1, on the other hand, a tensioner designated by 2, and finally a flexible metal cable 3. The angles are preferably made of a light alloy and obtained by molding. They are formed of a rectilinear body with a length of about 15 cm consisting of two walls 1 a and 1 b oriented at right angles to each other. The angles also have an upper wall 1c and at mid-height, a middle wall 1d parallel to the upper wall 1c. As seen in fig. 1, the upper walls 1c do not cover the entire surface of the angle iron, but leave the internal angle uncovered by providing an opening 1f of triangular shape which makes it possible to check the positioning of the strips which form the sides of the frame, when these have been put in place, as we will see below. Each angle iron has a second opening 1g which is formed between the middle wall 1d d and the foot of the angle iron and which also extends in the angle of the angle iron, that is to say partly in the wall 1 a and partly in the wall 1b. Halfway between the walls 1d and 1c, each angle iron further comprises a flat boss 1e extending outwards, the shape of which is that of a semicircle and the edge of which is provided with a groove 4. All of these elements came from a foundry part and during mass production, a shell mold could be provided allowing these parts to be taken out without requiring any retouching, except for the tapping of two coaxial openings formed in the center of the wall 1c and in the center of the wall 1d. These threads are intended to each receive one of the two screws 5 and 6 which carry the plates 7 and 8 of the clamp associated with each angle. Each plate 7 and 8 is connected to the end of the screw which carries it by a pin 6a or 5a which extends the screw and by a tightening washer fixed to the pin and engaged in a recess 7a or 8a of the plate. We understand that the plates 7 and 8 are guided by the walls 1a and 1b, while, to ensure the stability of the screws 5 and 6, the walls 1c and 1d can be provided with bosses intended to increase the length of the threads which pass through them. In their apex at right angles, the plates are also cut at an angle to make the joints of the frames visible during assembly.

Pour compléter la description des cornières, il convient encore de mentionner que les bossages plats 1e jouant le rôle de coulisse, sont équipés chacun de deux étriers 9 qui maintiennent en place le câble 3 lors du montage de l'appareil sur un assemblage de cadre.To complete the description of the angles, it should also be mentioned that the flat bosses 1e playing the role of slide, are each equipped with two stirrups 9 which hold the cable 3 in place when the device is mounted on a frame assembly.

Les quatre cornières 1 peuvent être munies d'une plaque de base (non représentée). Elles sont destinées à être montées sur un support horizontal quelconque, table ou établi, pendant que le câble 3 est engagé dans les gorges 4 et que les baguettes A, B, C et D d'un cadre sont placées entre les plateaux 7 et 8 des serre-joints. Ceux-ci permettent d'assembler des éléments de cadres de différentes épaisseurs grâce au fait que les deux plateaux 7 et 8 sont mobiles dans le sens longitudinal des cornières. Quelle que soit l'épaisseur du cadre, il est ainsi possible de placer les éléments A, B, C, D de façon que leur centre de gravité se trouve à la hauteur du bossage plat 1e. Ainsi, lors du serrage du câble, on n'enregistre aucun moment de torsion. Cette disposition est essentielle pour assurer le positionnement des éléments de cadre de façon à éviter tout voilement- Comme les serre-joints permettent de lier chaque paire d'éléments dans une position prédéterminée, on voit que l'appareil décrit permet d'éviter le voilement du cadre même si les surfaces internes des biseaux, destinées à contenir le film de colle entre elles ne sont pas absolument régulières.The four angles 1 can be provided with a base plate (not shown). They are intended to be mounted on any horizontal support, table or workbench, while the cable 3 is engaged in the grooves 4 and the rods A, B, C and D of a frame are placed between the plates 7 and 8 clamps. These make it possible to assemble frame elements of different thicknesses thanks to the fact that the two plates 7 and 8 are movable in the longitudinal direction of the angles. Whatever the thickness of the frame, it is thus possible to place the elements A, B, C, D so that their center of gravity is at the height of the flat boss 1e. Thus, during the tightening of the cable, no torsional moment is recorded. This arrangement is essential for ensuring the positioning of the frame elements so as to avoid any buckling. As the clamps make it possible to link each pair of elements in a predetermined position, it can be seen that the device described makes it possible to avoid the buckling. of the frame even if the internal surfaces of the bevels, intended to contain the film of adhesive between them, are not absolutely regular.

Pour assurer le serrage du cadre, on utilise le tendeur 2. Celui-ci sera de préférence constitué de pièces métalliques à haute résistance, fer, acier, ou, le cas échéant, maillechort ou laiton. Il est constitué d'un cadre rectangulaire allongé 10 muni à une de ses extrémités de deux coulisses en arc de cercle 11 et 12 disposées symétriquement. De préférence, les deux coulisses 11 et 12 et la barre transversale du cadre 10 qui est adjacente à ces deux coulisses seront faites d'une seule pièce moulée, tandis que le reste du cadre en forme de U constituera une seconde pièce, les deux pièces étant fixées l'une à l'autre, par exemple par des vis. Les deux côtés longitudinaux 10a et 10b du cadre 10 sont de profil rectangulaire et servent de rails de guidage à une pince 13 constituée de façon à coulisser le long du cadre. Cette pince 13 se compose elle-même de trois pièces : un corps de pince 14, de forme approximativement circulaire avec une rainure rectangulaire 14a dans son pourtour, une pièce de serrage 15, également en forme de disque plat qui est maintenue sur le corps de pince 14, et une vis de fixation 16. Cette vis traverse un trou excentré 17 de la pièce 15 et s'engage dans un taraudage 18 du corps de pince 14. A l'avant et à l'arrière, le corps de pince 14 présente deux rebords 19 qui assurent le centrage de la pièce 15 par rapport au corps de pince 14. Le corps 14 et la pièce de serrage 15 sont munis chacun de deux gorges parallèles 20 orientées selon l'axe du tendeur et dans lesquelles les segments extrêmes du câble 3 viennent s'engager au moment du serrage. Pour faciliter l'engagement des segments de câble, la pièce de serrage 15 présente encore deux biseaux 21 sur ses deux côtés tournés vers les éléments longitudinaux 10a et 10b du cadre 10.To ensure the tightening of the frame, the tensioner 2 is used. This will preferably be made of high-strength metal parts, iron, steel, or, if necessary, nickel silver or brass. It consists of an elongated rectangular frame 10 provided at one of its ends with two slides in an arc 11 and 12 arranged symmetrically. Preferably, the two slides 11 and 12 and the crossbar of the frame 10 which is adjacent to these two slides will be made in one molded piece, while the rest of the U-shaped frame will constitute a second piece, the two pieces being fixed to each other, for example by screws. The two longitudinal sides 10a and 10b of the frame 10 are of rectangular profile and serve as guide rails for a clamp 13 formed so as to slide along the frame. This clamp 13 itself consists of three pieces: a clamp body 14, of approximately circular shape with a rectangular groove 14a around its periphery, a clamping piece 15, also in the form of a flat disc which is held on the body of clamp 14, and a fixing screw 16. This screw passes through an eccentric hole 17 of the part 15 and engages in a thread 18 of the clamp body 14. At the front and at the rear, the clamp body 14 has two flanges 19 which center the part 15 relative to the clamp body 14. The body 14 and the clamping piece 15 are each provided with two parallel grooves 20 oriented along the axis of the tensioner and in which the end segments cable 3 engage when tightening. To facilitate the engagement of the cable segments, the clamping piece 15 also has two bevels 21 on its two sides facing the longitudinal elements 10a and 10b of the frame 10.

Le corps de pince 14 est fixé à l'extrémité d'une tige filetée 22 qui s'étend longitudinalement entre les éléments 10a et 10b, qui traverse un trou lisse ménagé dans la partie transversale 10c du cadre 10 et sur laquelle est engagé un écrou à ailettes 23. On comprend que, lorsque les deux éléments extrêmes du câble 3 ont été fixés à la pince 13 après engagement dans les rainures 20 et serrage de la vis 16, l'écrou à ailettes 23 s'appuyant sur la barre transversale 10c permet d'exercer un effort de traction sur la pince 13 par l'intermédiaire de la tige filetée 22. Le câble s'appuie dans le fond des rainures 4 et dans les gorges de coulissement 11 et 12, de sorte qu'il est conduit sans subir d'effort de pliage jusque dans la pince 13 dans laquelle il est assujetti également sans déformation ni détérioration. Pour faciliter les opérations, on peut engager les deux extrémités du câble 3 dans les trous 24 et 25 ménagés respectivement dans les éléments longitudinaux 10a et 10b du cadre 10.The clamp body 14 is fixed to the end of a threaded rod 22 which extends longitudinally between the elements 10a and 10b, which passes through a smooth hole made in the transverse part 10c of the frame 10 and on which a nut is engaged with fins 23. It will be understood that, when the two extreme elements of the cable 3 have been fixed to the clamp 13 after engagement in the grooves 20 and tightening of the screw 16, the wing nut 23 resting on the transverse bar 10c allows to exert a tensile force on the clamp 13 via the threaded rod 22. The cable is supported in the bottom of the grooves 4 and in the sliding grooves 11 and 12, so that it is led without undergoing any bending effort into the clamp 13 in which it is also subject without deformation or deterioration. To facilitate the operations, the two ends of the cable 3 can be engaged in the holes 24 and 25 formed respectively in the longitudinal elements 10a and 10b of the frame 10.

Comme on le voit à la fig. 1, les deux pièces de la pince 13 présentent dans l'axe de la vis des méplats qui permettent la mise en place de cet ensemble entre les deux côtés longitudinaux 10a et 10b du cadre.As seen in fig. 1, the two parts of the clamp 13 have in the axis of the screw flats which allow the establishment of this assembly between the two longitudinal sides 10a and 10b of the frame.

La disposition décrite permet d'exercer sur le câble un effort de traction considérable, ce qui assure le serrage des éléments de cadre A, B, C, D les uns contre les autres. La colle qui revêt les surfaces de contact subit une pression telle qu'elle est refoulée à l'intérieur des pores du bois, ce qui améliore considérablement la rigidité de la fixation.The arrangement described makes it possible to exert on the cable a considerable tensile force, which ensures the tightening of the frame elements A, B, C, D against each other. The glue which covers the contact surfaces is subjected to a pressure such that it is pushed back inside the pores of the wood, which considerably improves the rigidity of the fixing.

Comme le montre la fig. 4 dans une variante d'exécution, la pince peut être constituée d'un corps de pince 34 en forme de prisme. Plus précisément, la pièce 34 présente sur chacun de ses côtés longitudinaux une surface faiblement inclinée 35 une surface plus fortement inclinée 36. La pièce de serrage 37 qui vient s'ajuster sur le corps de pince 34 présente de son côté une gorge interne limitée par deux faces internes obliques 38 qui s'étendent parallèlement aux surfaces 36, de sorte que les deux segments extrêmes du câble 3 sont pincés dans les angles dièdres internes du corps de pince 34. La tige filetée 39 et l'écrou à ailettes 40 qui se visse sur la tige filetée 39 permettent de serrer la pince et par conséquent de bloquer les deux extrémités du câble. Dans cette forme d'exécution également, on pourra prévoir que la vis longitudinale 22 peut être dégagée de la pince ce qui permet de mettre celle-ci en place grâce aux méplats (non représentés) que la pièce 37 et le corps 34 présentent dans le sens longitudinal du tendeur.As shown in fig. 4 in an alternative embodiment, the clamp may consist of a clamp body 34 in the form of a prism. More specifically, the part 34 has on each of its longitudinal sides a slightly inclined surface 35 a more strongly inclined surface 36. The clamping part 37 which comes to fit on the clamp body 34 has for its part an internal groove limited by two oblique internal faces 38 which extend parallel to the surfaces 36, so that the two end segments of the cable 3 are pinched in the internal dihedral angles of the clamp body 34. The threaded rod 39 and the wing nut 40 which screws on the threaded rod 39 make it possible to tighten the clamp and consequently to block the two ends of the cable. Also in this embodiment, provision may be made for the longitudinal screw 22 to be released from the clamp, which makes it possible to put it in place thanks to the flats (not shown) that the part 37 and the body 34 have in the longitudinal direction of the tensioner.

La mise en oeuvre de l'appareil est extrêmement facile puisque le tendeur peut être saisi d'une main pendant que l'on manœuvre, soit la vis 16 afin de serrer les segments de câble dans la pince 13, soit l'écrou 23 afin de tendre le câble. Pour effectuer ces manceuvres, le tendeur est largement libre.The implementation of the device is extremely easy since the tensioner can be grasped with one hand while operating, either the screw 16 in order to tighten the cable segments in the clamp 13, or the nut 23 so to tighten the cable. To perform these operations, the tensioner is largely free.

En revanche, les quatre cornières qui reposent sur le support plat sur lequel l'opération est menée sont rigidement reliées les unes aux autres par l'intermédiaire du câble. Les serre-joints 5, 6, 7, 8 sont également susceptibles d'être manoeuvrés facilement puisque les vis 6 sont accessibles depuis l'extrémité supérieure des cornières tandis que les vis 5 sont accessibles à travers les ouvertures 3 décrites plus haut. Les têtes de ces vis 5 et 6 pourront être des têtes molletées ou des têtes munies de moyens d'accrochage tels que pans extérieurs ou pans intérieurs (vis Imbus) susceptibles d'être manœu- vrés au moyen d'une clé ou tout autre outil.On the other hand, the four angles which rest on the flat support on which the operation is carried out are rigidly connected to each other via the cable. The clamps 5, 6, 7, 8 are also capable of being easily maneuvered since the screws 6 are accessible from the upper end of the angles while the screws 5 are accessible through the openings 3 described above. The heads of these screws 5 and 6 may be knurled heads or heads provided with hooking means such as external panels or internal panels (Imbus screws) capable of being actuated by means of a key or any other tool. .

Finalement, comme on l'a déjà dit précédemment, -la présence des ouvertures 2 et des découpures correspondantes du plateau 6 permet de surveiller l'état des joints entre les éléments de cadre A, B, C, D, tout au cours de l'opération.Finally, as already mentioned above, the presence of the openings 2 and the corresponding cut-outs of the plate 6 makes it possible to monitor the state of the joints between the frame elements A, B, C, D, throughout the 'surgery.

L'appareil décrit permet de réaliser des opérations d'ajustage très délicates et très précises. Il facilite l'assemblage de cadres constitués de baguettes profilées même dans le cas où, du fait de leur profil, ces baguettes sont délicates à manipuler. En particulier, grâce à la présence des serre-joints mobiles dans le sens parallèle aux cornières, le positionnement des baguettes est possible avec une très grande précision. C'est ce qui assure la grande fiabilité du dispositif décrit.The apparatus described makes it possible to carry out very delicate and very precise adjustment operations. It facilitates the assembly of frames made of profiled rods even in the case where, because of their profile, these rods are difficult to handle. In particular, thanks to the presence of movable clamps in the direction parallel to the angles, the positioning of the rods is possible with very high precision. This is what ensures the high reliability of the device described.

Claims (11)

1. Assembly apparatus for making frames or panels, comprising a set of angles, each capable of embracing a corner of the frame or of the panel and provided with guide means, a cable surrounding the angles, passing in the said guide means, and a tightener to which two end segments of the cable are attached and which is capable of being operated so as to tighten a central segment of the cable about the angles, the tightener comprising a body (10) with a longitudinal axis and means for hooking (13) the said end segments of the cable (3), characterized in that the tightener (2) is a device separated from the angles (1) which comprises operating means (22, 23, 10c) capable of displacing the hooking means relative to the body in the direction of the said axis, thus exerting a tractional force on the said end segments of the cable, and curved entry means (11, 12) integral with the body, symmetrical relative to the said axis, and intended to guide portions of the cable situated between the said end segments and the central segment in such a way that these portions of the cable extend along a single straight line parallel to a side (B) of the frame, starting from two angles (1) situated at the ends of this side of the frame and up to said entry means (11, 12).
2. Apparatus according to claim 1, characterized in that the said hooking means (13) comprise a slide (14 ; 34) guided on the body (10) of the tightener and a gripping part (15 37) allowing the said end segments of the cable to be clamped on the slide (14; 34).
3. Apparatus according to claim 1, characterized in that the body of the tightener is of elongated rectangular shape and comprises two parallel longitudinal sides (10, 10b) serving as supporting members for the slide.
4. Apparatus according to claim 2, characterized in that the operating device is composed of a screw (22) guided on the body of the tightener along the said symmetry axis and of a nut (23), the screw being hooked to the slide (14), and the nut pressing on the body of the tightener.
5. Apparatus according to claim 2, characterized in that the gripping part (15 ; 37) is connected to the slide (14 ; 34) by a tightening screw (16 ; 39) allowing the said part to be pressed against the slide.
6. Apparatus according to claim 5, characterized in that the slide (14 ; 34) and the gripping part (15 ; 37) each have two parallel grooves (20) oriented along the said longitudinal axis of the body (10) of the tightener, the two end segments of the cable each being simultaneously fitted in two of the said grooves, which prevents their damage at the time of clamping.
7. Apparatus according to claim 1, characterized in that the angles (1) are each equipped with a cramp (7, 8) acting in the longitudinal direction of the angle (1).
8. Apparatus according to claim 7, characterized in that the cramps (7, 8) are each controlled by two screws (5, 6), one of which is situated in the inside corner of the angle (1) and is accessible by means of an elongated lateral opening contrived in the arris of the angle.
9. Apparatus according to claim 1, characterized in that the angles (1) are composed of metal elements (1 a, 1 b, 1 c, 1 d) of sufficient length to be able to rest with one of their ends on a flat support (1e).
10. Apparatus according to claim 9, characterized in that the angles are provided on the outside, all at the same height relative to their foot, with a thin sheave, the arcuate outer edge of which has a groove serving to guide the cable, each angle being arranged in the edge of this sheave.
11. Apparatus according to claim 10, characterized in that the sheaves of the angles are provided with stirrup-pieces distributed along the groove and arranged so as to hold the cable in the latter.
EP82900618A 1981-03-05 1982-03-04 Assembling apparatus for making frames or panels Expired EP0073211B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82900618T ATE14692T1 (en) 1981-03-05 1982-03-04 ASSEMBLY DEVICE FOR THE MANUFACTURE OF FRAMES OR PANELS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1491/81 1981-03-05
CH149181A CH643175A5 (en) 1981-03-05 1981-03-05 ASSEMBLY APPARATUS WITH QUADRANGULAR JOINT FOR MAKING FRAMES OR PANELS.

Publications (2)

Publication Number Publication Date
EP0073211A1 EP0073211A1 (en) 1983-03-09
EP0073211B1 true EP0073211B1 (en) 1985-08-07

Family

ID=4211700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82900618A Expired EP0073211B1 (en) 1981-03-05 1982-03-04 Assembling apparatus for making frames or panels

Country Status (5)

Country Link
US (1) US4527784A (en)
EP (1) EP0073211B1 (en)
CH (1) CH643175A5 (en)
DE (1) DE3265146D1 (en)
WO (1) WO1982003041A1 (en)

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DE3701393A1 (en) * 1987-01-20 1988-07-28 Robert Wolff FRAME CLAMPING DEVICE, ESPECIALLY FOR FRAME-CUT FRAME
US4793052A (en) * 1987-11-13 1988-12-27 American Telephone And Telegraph Company, At&T Laboratories Method for positioning a panel
US5161789A (en) * 1991-08-27 1992-11-10 Rogers Winston L Universal clamping device
GB9314369D0 (en) * 1993-07-12 1993-08-25 Ferland Serge Miniature vice for the repalcement of optometric temples
US5411244A (en) * 1994-03-04 1995-05-02 Turner; Tommy P. Clamp using elastic tension member
DE19507699A1 (en) * 1995-03-04 1996-09-05 Bessey & Sohn Strap tensioner
US7419148B1 (en) * 2004-10-19 2008-09-02 Lee Valley Tools, Ltd. Variable angle flexible band clamp corner
CN103586874B (en) * 2012-08-14 2016-01-06 鸿富锦精密工业（深圳）有限公司 Clamping device
US9320357B1 (en) * 2015-09-09 2016-04-26 Jiaxing Tian System and method for single person mounting of wall-mounted cabinets or shelves
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Also Published As

Publication number Publication date
EP0073211A1 (en) 1983-03-09
WO1982003041A1 (en) 1982-09-16
CH643175A5 (en) 1984-05-30
US4527784A (en) 1985-07-09
DE3265146D1 (en) 1985-09-12

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