EP0217779A2 - Connecting device for scaffoldings - Google Patents

Connecting device for scaffoldings Download PDF

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Publication number
EP0217779A2
EP0217779A2 EP86870139A EP86870139A EP0217779A2 EP 0217779 A2 EP0217779 A2 EP 0217779A2 EP 86870139 A EP86870139 A EP 86870139A EP 86870139 A EP86870139 A EP 86870139A EP 0217779 A2 EP0217779 A2 EP 0217779A2
Authority
EP
European Patent Office
Prior art keywords
bowl
cam
spout
flanges
flange
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.)
Granted
Application number
EP86870139A
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German (de)
French (fr)
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EP0217779A3 (en
EP0217779B1 (en
Inventor
Yvon Plasman
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Individual
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Individual
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Publication date
Priority claimed from BE0/215657A external-priority patent/BE903345A/en
Application filed by Individual filed Critical Individual
Priority to AT86870139T priority Critical patent/ATE62047T1/en
Publication of EP0217779A2 publication Critical patent/EP0217779A2/en
Publication of EP0217779A3 publication Critical patent/EP0217779A3/en
Application granted granted Critical
Publication of EP0217779B1 publication Critical patent/EP0217779B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/308—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect without tying means for connecting the bars or members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members

Definitions

  • the present invention relates to a scaffolding connecting device for connecting the ends of a horizontal scaffolding element to a vertical scaffolding element.
  • a connecting device of this kind is known from the publication of European patent application 0110027.
  • This known device comprises two spaced annular supports fixed to a vertical scaffolding element and a hooking piece fixed to one end of a connecting element. 'horizontal scaffolding.
  • the attachment piece has two recesses intended to fit on two annular support shoulders fixed on a vertical element.
  • the horizontal element and the vertical element are assembled by simply pressing the attachment piece on the support shoulders, the retention of the attachment piece on said shoulders being ensured by a locking key mounted to slide under the attachment piece.
  • This linkage device ensures an alignment with respect to a reference axis which passes through the two shoulders, which makes the tribular assembly of the manufacturing tolerances.
  • the connecting devices according to the prior art produce rigid mounting nodes which have no elasticity to respond to load stresses.
  • the invention aims to overcome the drawbacks of the prior art thanks to an improvement to a connecting device for connecting a horizontal bar to a vertical column, which comprises a hooking piece fixed to one end of the horizontal bar for couple with at least one annular support element fixed on the vertical column, and a locking device.
  • the support element has a collar having an inclined peripheral rim which forms an annular bowl, the radial width of which decreases progressively from its upper edge to the bottom of the bowl, and the attachment part has at least one extending spout down and shaped to engage tightly inside the bowl of a flange so that when it is inserted into said bowl, the spout is wedged elastically between the vertical column and the peripheral annular rim of the bowl.
  • the device locking includes a cam pivotally mounted on the attachment piece so that when the spout is in contact with the upper part of the peripheral flange of the flange, the cam is against the flange and so that, under the pressure exerted by the action of the cam, the spout engages towards the bottom of the bowl so that the cam applies a prestressing force on the flange which elastically locks the spout in the bowl of the support flange.
  • FIG. 1 is an exploded view of an exemplary embodiment of the connection device according to the invention, .
  • FIGS. 2 to 4 illustrate the successive stages of the process of coupling the parts constituting the connection device mounted in FIG. 1.
  • the connecting device shown in Figure 1 is used to connect a horizontal bar 2 to a vertical column 1 to form a connecting node in a scaffold.
  • the connection device comprises two support flanges 10 fixed to the column 1 using dowels 3 and a hooking piece 20 fixed to one end of the bar 2 using dowels 4 and 5.
  • the other end of the bar 2 is equipped with a similar attachment piece intended to be coupled to a support device provided on another vertical column.
  • the support device could also comprise only a single flange 10.
  • the or each support flange 10 is constituted by a ring 11 formed with an inclined peripheral rim 12 so as to delimit a flared annular bowl 13.
  • the two support flanges 10 could perfectly be produced in the form of a single support piece.
  • the attachment piece 20 consists of a metal profile having two spouts 21 intended to engage in the bowls 13 of the support flanges 10.
  • the spouts 21 are shaped to fit in the bowls 13 with progressive tightening, the spouts having an inclined flank 22 to adapt against the peripheral rim 12 of the flanges 10 and a flank 23 to adapt against the rings 11.
  • Inside the profile is housed a locking piece 24 mounted on a pivot 5 passing through the hole 26 and coming to be housed in the holes 27 of the wings of the profile constituting the attachment piece.
  • the locking piece has a cam profile 25 and a spring arm 28 which will be seen below.
  • FIGS. 2 to 4 When inserting a spout 21 in a bowl 13, the progressive tightening between the sides 22 and 23 of the spout and the walls 11 and 12 of the bowl produces an elastic wedging of the spout 21 in the bowl 13.
  • This elastic tightening progressive is illustrated by FIGS. 2 to 4.
  • the nozzles 21 of the attachment piece 20 are ready to be introduced into the cups 13 of the support flanges 10.
  • the locking device 24 is advantageously retained thanks to a lug 29.
  • the profile of the spouts 21 ensures good progressive tightening.
  • the lower spout 21 of the attachment piece is accommodated flexibly and elastically in the lower bowl 13. If we have released the pin of retainer 29 of the locking piece 24, the latter is pivoted about its axis 5 to bring the cam profile 25 against the circular edge 15 of the upper flange 10.
  • the cam profile 25 is drawn in such a way that, when the locking piece 24 is pivoted in the direction of the arrow V, the cam profile 25 slides on the edge 15 and the flange by pulling the spout 21 towards the bottom of the bowl while applying a progressive prestressing force on the collar 10.
  • the hooking spouts 21 descend to the bottom of the cups of the support flanges 10, these undergo a slight elastic deformation due to their annular shape and this elastic deformation promotes engagement while ensuring elastic tightening.
  • This elastic deformation effect is indicated in FIGS. 2 to 4 by the marks D1, D2 and D3 which designate the successive diameters of the opening of the upper bowl during the insertion process (D1 ⁇ D2 ⁇ D3).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
  • Body Structure For Vehicles (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Electric Cable Installation (AREA)

Abstract

The support element has a collar (10) with an annular peripheral rim (12) inclined so as to form an annular trough (13) whose radial width decreases progressively from its upper edge (14) to the bottom of the trough. An attachment piece (20) has at least one nose (21) extending downwards and contoured in order to engage with clamping inside the trough (13) of a collar (10) so that when it is inserted in the said trough, the nose (21) is wedged between the generatrix of the vertical column (1) and the annular peripheral rim (12) of the trough (13). <IMAGE>

Description

La présente invention concerne un dispositif de liaison pour échafaudage destiné à connecter les extrémités d'un élément d'échafaudage horizontal à un élément d'échafaudage vertical.The present invention relates to a scaffolding connecting device for connecting the ends of a horizontal scaffolding element to a vertical scaffolding element.

Un dispositif de liaison de ce genre est connu par la publication de demande de brevet européen 0110027. Ce dispositif connu comprend deux supports annulaires espacés fixés sur un élément d'échafaudage vertical et une pièce d'accrochage fixée à une extrémité d'un élément d'échafaudage horizontal. La pièce d'accrochage comporte deux évidements destinés à s'adapter sur deux épaulements de support annulaires fixés sur un élément vertical. Dans ce dispositif de liaison, l'assemblage de l'élément horizontal et de l'élément vertical se fait par simple appui de la pièce d'accrochage sur les épaulements de support, la retenue de la pièce d'accrochage sur lesdits épaulements étant assurée par une clavette de verrouillage montée à glissement sous la pièce d'accrochage. Ce dispositif de liaison assure un alignement par rapport à un axe de référence qui passe par les deux épaulements, ce qui rend l'assemblage tribulaire des tolérances de fabrication. Lorsque les épaulements ne sont pas parfaitement alignés parallèlement à l'axe de l'élément vertical, l'accrochage d'un élément horizontal peut être aisément imparfait et se traduire par un défaut d'équerre de l'élément horizontal par rapport à l'élément vertical. De plus, les dispositifs de liaison selon l'art antérieur réalisent des noeuds d'encastrement rigide qui ne présentent aucune élasticité pour répondre aux sollicitations de charge.A connecting device of this kind is known from the publication of European patent application 0110027. This known device comprises two spaced annular supports fixed to a vertical scaffolding element and a hooking piece fixed to one end of a connecting element. 'horizontal scaffolding. The attachment piece has two recesses intended to fit on two annular support shoulders fixed on a vertical element. In this connection device, the horizontal element and the vertical element are assembled by simply pressing the attachment piece on the support shoulders, the retention of the attachment piece on said shoulders being ensured by a locking key mounted to slide under the attachment piece. This linkage device ensures an alignment with respect to a reference axis which passes through the two shoulders, which makes the tribular assembly of the manufacturing tolerances. When the shoulders are not perfectly aligned parallel to the axis of the vertical element, the attachment of a horizontal element can be easily imperfect and result in a defect in the angle of the horizontal element relative to the vertical element. In addition, the connecting devices according to the prior art produce rigid mounting nodes which have no elasticity to respond to load stresses.

L'invention vise à pallier les inconvénients de l'art antérieur grâce à un perfectionnement à un dispositif de liaison pour connecter une barre horizontale à une colonne verticale, qui comprend une pièce d'accrochage fixée à une extrémité de la barre horizontale pour s'accoupler avec au moins un élément de support annulaire fixé sur la colonne verticale, et un dispositif de blocage.The invention aims to overcome the drawbacks of the prior art thanks to an improvement to a connecting device for connecting a horizontal bar to a vertical column, which comprises a hooking piece fixed to one end of the horizontal bar for couple with at least one annular support element fixed on the vertical column, and a locking device.

Selon l'invention. l'élément de support présente une collerette ayant un rebord périphérique incliné qui forme une cuvette annulaire dont la largeur radiale décroît progressivement depuis son bord supérieur jusqu'au fond de la cuvette, et la pièce d'accrochage présente au moins un bec s'étendant vers le bas et profilé pour s'engager avec serrement à l'intérieur de la cuvette d'une collerette de telle manière que lorsqu'il se trouve introduit dans ladite cuvette, le bec soit coincé élastiquement entre la colonne verticale et le rebord annulaire périphérique de la cuvette.According to the invention. the support element has a collar having an inclined peripheral rim which forms an annular bowl, the radial width of which decreases progressively from its upper edge to the bottom of the bowl, and the attachment part has at least one extending spout down and shaped to engage tightly inside the bowl of a flange so that when it is inserted into said bowl, the spout is wedged elastically between the vertical column and the peripheral annular rim of the bowl.

Dans un mode d'exécution avantageux, le dispositif de blocage comprend une came montée à pivotement sur la pièce d'accrochage de manière que lorsque le bec se trouve en contact avec la partie supérieure du rebord périphérique de la collerette, la came se trouve contre la collerette et de manière que, sous la pression exercée par l'action de la came, le bec s'engage vers le fond de la cuvette en sorte que la came applique sur la collerette une force de précontrainte qui verrouille élastiquement le bec dans la cuvette de la collerette de support.In an advantageous embodiment, the device locking includes a cam pivotally mounted on the attachment piece so that when the spout is in contact with the upper part of the peripheral flange of the flange, the cam is against the flange and so that, under the pressure exerted by the action of the cam, the spout engages towards the bottom of the bowl so that the cam applies a prestressing force on the flange which elastically locks the spout in the bowl of the support flange.

L'invention est exposée dans ce qui suit en s'appuyant sur les dessins ci-annexés dans lesquels:
. la figure 1 est une vue éclatée d'une example d'exécution du dispositif de liasion selon l'invention,
. les figures 2 à 4 illustrent les étapes successives du processus d'accouplement des pièces constituant le dispositif de liaison monté à la figure 1.The invention is set out in the following based on the attached drawings in which:
. FIG. 1 is an exploded view of an exemplary embodiment of the connection device according to the invention,
. FIGS. 2 to 4 illustrate the successive stages of the process of coupling the parts constituting the connection device mounted in FIG. 1.

Le dispositif de liaison montré à la figure 1 sert à connecter une barre horizontale 2 à une colonne verticale 1 pour former un noeud de liaison dans un échafaudage. Le dispositif de liaison comprend deux collerettes de support 10 fixées sur la colonne 1 à l'aide de chevilles 3 et une pièce d'accrochage 20 fixée à une extrémité de la barre 2 à l'aide des chevilles 4 et 5. L'autre extrémité de la barre 2 est équipée d'une pièce d'accrochage semblable destinée à être accouplée à un dispositif de support prévu sur une autre colonne verticale.The connecting device shown in Figure 1 is used to connect a horizontal bar 2 to a vertical column 1 to form a connecting node in a scaffold. The connection device comprises two support flanges 10 fixed to the column 1 using dowels 3 and a hooking piece 20 fixed to one end of the bar 2 using dowels 4 and 5. The other end of the bar 2 is equipped with a similar attachment piece intended to be coupled to a support device provided on another vertical column.

Le dispositif de support pourrait également ne comprendre qu'une seule collerette 10. La ou chaque collerette de support 10 est constituée par un anneau 11 formé avec un rebord périphérique incliné 12 de manière à délimiter une cuvette annulaire évasée 13. Dans une variante d'exécution, les deux collerettes de support 10 pourraient parfaitement être réalisées sous forme d'une seule pièce de support.The support device could also comprise only a single flange 10. The or each support flange 10 is constituted by a ring 11 formed with an inclined peripheral rim 12 so as to delimit a flared annular bowl 13. In an alternative embodiment, the two support flanges 10 could perfectly be produced in the form of a single support piece.

La pièce d'accrochage 20 est constituée d'un profilé métallique présentant deux becs 21 destinés à s'engager dans les cuvettes 13 des collerettes de support 10. Les becs 21 sont profilés pour s'adapter dans les cuvettes 13 avec serrement progressif, les becs ayant un flanc incliné 22 pour s'adapter contre le rebord périphérique 12 des collerettes 10 et un flanc 23 pour s'adapter contre les anneaux 11. A l'intérieur du profilé est logée une pièce de verrouillage 24 montée sur un pivot 5 traversant le trou 26 et venant se loger dans les trous 27 des ailes du profilé constituant la pièce d'accrochage. La pièce de verrouillage présente un profil de came 25 et un bras formant ressort 28 dont on verra le rôle plus loin.The attachment piece 20 consists of a metal profile having two spouts 21 intended to engage in the bowls 13 of the support flanges 10. The spouts 21 are shaped to fit in the bowls 13 with progressive tightening, the spouts having an inclined flank 22 to adapt against the peripheral rim 12 of the flanges 10 and a flank 23 to adapt against the rings 11. Inside the profile is housed a locking piece 24 mounted on a pivot 5 passing through the hole 26 and coming to be housed in the holes 27 of the wings of the profile constituting the attachment piece. The locking piece has a cam profile 25 and a spring arm 28 which will be seen below.

Lors de l'insertion d'un bec 21 dans une cuvette 13, le serrage progressif entre les flancs 22 et 23 du bec et les parois 11 et 12 de la cuvette produit un coincement élastique du bec 21 dans la cuvette 13. Ce serrage élastique progressif est illustré par les figures 2 à 4. Dans la position montrée à la figure 2, les becs 21 de la pièce d'accrochage 20 sont prêts à être introduits dans les cuvettes 13 des collerettes de support 10. Le dispositif de verrouillage 24 est avantageusement retenu grâce à un ergot 29.When inserting a spout 21 in a bowl 13, the progressive tightening between the sides 22 and 23 of the spout and the walls 11 and 12 of the bowl produces an elastic wedging of the spout 21 in the bowl 13. This elastic tightening progressive is illustrated by FIGS. 2 to 4. In the position shown in FIG. 2, the nozzles 21 of the attachment piece 20 are ready to be introduced into the cups 13 of the support flanges 10. The locking device 24 is advantageously retained thanks to a lug 29.

Lorsqu'on fait descendre les becs 21 dans les cuvettes 13 des collerettes de support 10 (figure 3), le profil des becs 21 assure un bon serrement progressif. De plus, grâce à la légère déformation élastique de la collerette supérieure, le bec 21 inférieur de la pièce d'accrochage vient se loger en souplesse et élastiquement dans la cuvette 13 inférieure. Si l'on a dégagé l'ergot de retenue 29 de la pièce de verrouillage 24, on fait pivoter celle-ci autour de son axe 5 pour amener le profil de came 25 contre l'arête circulaire 15 de la collerette 10 supérieure.When the spouts 21 are lowered into the cups 13 of the support flanges 10 (FIG. 3), the profile of the spouts 21 ensures good progressive tightening. In addition, thanks to the slight elastic deformation of the upper flange, the lower spout 21 of the attachment piece is accommodated flexibly and elastically in the lower bowl 13. If we have released the pin of retainer 29 of the locking piece 24, the latter is pivoted about its axis 5 to bring the cam profile 25 against the circular edge 15 of the upper flange 10.

Le profil de came 25 est dessiné de telle façon que, lorsqu'on fait pivoter la pièce de verrouillage 24 dans le sens de la flèche V, le profil de came 25 glisse sur l'arête 15 et la collerette en tirant le bec 21 vers le fond de la cuvette tout en appliquant sur la collerette 10 une force de précontrainte progressive. Au fur et à mesure de la descente des becs d'accrochage 21 vers le fond des cuvettes des collerettes de support 10, celles-ci subissent une légère déformation élastique du fait de leur forme annulaire et cette déformation élastique favorise l'engagement tout en assurant un serrement élastique. Cet effet de déformation élastique est indiqué sur les figures 2 à 4 par les repères D1, D2 et D3 qui désignent les diamètres successifs de l'ouverture de la cuvette supérieure au cours du processus d'insertion (D1 < D2 < D3).The cam profile 25 is drawn in such a way that, when the locking piece 24 is pivoted in the direction of the arrow V, the cam profile 25 slides on the edge 15 and the flange by pulling the spout 21 towards the bottom of the bowl while applying a progressive prestressing force on the collar 10. As the hooking spouts 21 descend to the bottom of the cups of the support flanges 10, these undergo a slight elastic deformation due to their annular shape and this elastic deformation promotes engagement while ensuring elastic tightening. This elastic deformation effect is indicated in FIGS. 2 to 4 by the marks D1, D2 and D3 which designate the successive diameters of the opening of the upper bowl during the insertion process (D1 <D2 <D3).

Lorsque le bec 21 supérieur est complètement engagé à serrement dans la cuvette 13 de la collerette de support 10 supérieure, et également le bec inférieur dans la cuvette correspondante d'ailleurs (figure 4), la pièce de verrouillage 24 exerce sur la collerette 10 supéeieure une force de pression qui verrouille le bec 21 dans la cuvette de la collerette 10. Cela met l'assemblage en précontrainte élastique qui assure un noeud d'assemblage à encastrement élastique excellent, les flancs 22 et 23 des becks d'accrochage 21 étant parfaitement coincés élastiquement entre les anneaux 11, c'est-à-dire la colonne 1, et les rebords périphériques des collerettes du support 10. On remarque que tout le mouvement d'insertion et de serrement élastique se développe ain DPA N=6>par rapport à l'axe de la colonne verticale, ce qui assure un assemblage parfaitement d'équerre qui ajoute à la sécurité de l'échafaudage par un excellent équilibre des éléments assemblés.When the upper spout 21 is fully engaged tightly in the bowl 13 of the upper support flange 10, and also the lower spout in the corresponding bowl moreover (Figure 4), the locking piece 24 exerts on the upper flange 10 a pressing force which locks the spout 21 in the cup of the collar 10. This puts the assembly in elastic prestressing which provides an excellent elastic embedding assembly node, the flanks 22 and 23 of the hooking becks 21 being perfectly wedged elastically between the rings 11, that is to say the column 1, and the peripheral edges of the flanges of the support 10. It is noted that the entire movement of insertion and elastic tightening develops in a DPA N = 6> by relative to the axis of the vertical column, which ensures a perfectly square assembly which adds to the safety of the scaffolding by an excellent balance of the assembled elements.

Il est bien entendu que l'invention n'est nullement limitée au mode d'exécution illustré à titre d'exemple dans les dessins ci-annexés et décrit dans ce qui précède. Non seulement diverses variantes d'agencements à deux cuvettes superposées peuvent être réalisées conformément à l'invention, mais on peut également réaliser des noeuds de liaison à une seule cuvette, qui sont conformes à l'esprit de l'invention. It is understood that the invention is in no way limited to the embodiment illustrated by way of example in the accompanying drawings and described in the foregoing. Not only various variants of arrangements with two superimposed bowls can be produced in accordance with the invention, but it is also possible to produce connecting nodes with a single bowl, which conform to the spirit of the invention.

Claims (4)

1. Dispositif de liaison pour connecter une barre horizontale à une colonne verticale, comprenant une pièce d'accrochage fixée à une extrémité de la barre horizontale pour s'accoupler avec au moins un élément de support annulaire fixé sur la colonne verticale, et un dispositif de blocage,
caractérisé en ce que l'élément de support présente une collerette (10) ayant un rebord annulaire périphérique (12) incliné de manière à former une cuvette annulaire (13) dont la largeur radiale décroît progressivement depuis son bord supérieur (14) jusqu'au fond de la cuvette, et en ce que la pièce d'accrochage (20) présente au moins un bec (21) s'étendant vers le bas et profilé pour s'engager avec serrement à l'intérieur de la cuvette (13) d'une collerette (10) de telle manière que lorsqu'il se trouve introduit dans ladite cuvette, le bec (21) soit coincé entre la génératrice de la colonne verticale (1) et le rebord annulaire périphérique (12) de la cuvette (13).1. Connecting device for connecting a horizontal bar to a vertical column, comprising a hooking piece fixed to one end of the horizontal bar for coupling with at least one annular support element fixed to the vertical column, and a device blocking,
characterized in that the support element has a collar (10) having a peripheral annular rim (12) inclined so as to form an annular bowl (13) whose radial width decreases progressively from its upper edge (14) to bottom of the bowl, and in that the attachment piece (20) has at least one spout (21) extending downward and shaped to engage tightly inside the bowl (13) d '' a collar (10) so that when it is inserted into said bowl, the spout (21) is wedged between the generator of the vertical column (1) and the peripheral annular rim (12) of the bowl (13 ). 2. Dispositif selon la revendication 1, caractérisé en ce que deux collerettes (10) sont formées avec ou portées par un anneau unique (11) fixé sur la colonne verticale.2. Device according to claim 1, characterized in that two flanges (10) are formed with or carried by a single ring (11) fixed on the vertical column. 3. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de blocage (24) comprend une came (25) montée à pivotement sur la pièce d'accrochage (20) de manière que lorsque les becs (21) se trouvent en contact avec la partie supérieure des rebords périphériques (12) des collerettes (10), la came (25) se trouve contre la collerette (10) et de manière que, sous la pression exercée par l'action de la came (25), le bec (21) s'engage vers le fond de la cuvette (13) en sorte que la came (25) applique sur la collerette une force de précontrainte qui verrouille élastiquement le bec (21) dans la cuvette (13) de la collerette de support (10).3. Device according to claim 1, characterized in that the locking device (24) comprises a cam (25) pivotally mounted on the attachment piece (20) so that when the spouts (21) are in contact with the upper part of the peripheral edges (12) of the flanges (10), the cam (25) is located against the flange (10) and so that, under the pressure exerted by the action of the cam (25), the spout (21) engages towards the bottom of the bowl (13) so that the cam (25) applies a prestressing force on the flange which locks elastically the spout (21) in the bowl (13) of the support flange (10). 4. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de blocage (24) comprend une came (25) montée à pivotement sur la pièce d'accrochage (20) coportant deux becs (21) destinés à coopérer avec deux collerettes (10) écartées axialement le long d'une colonne verticale (1) de manière que lorsque becs (21) se trouvent en contact avec la partie supérieure des rebords périphériques (12) des collerettes (10), la came (25) se trouve contre la collerette (10) et de manière que, sous la pression exercée par l'action de la came (25), les becs (21) s'engagent vers le fond des cuvettes (13) en sorte que la came (25) applique sur la collerette supérieure une force de précontrainte qui verrouille élastiquement le bec (21) supérieur dans la cuvette (13) de la collerette de support correspondante.4. Device according to claim 1, characterized in that the locking device (24) comprises a cam (25) pivotally mounted on the attachment piece (20) co-bearing two spouts (21) intended to cooperate with two flanges ( 10) axially spaced along a vertical column (1) so that when the spouts (21) are in contact with the upper part of the peripheral flanges (12) of the flanges (10), the cam (25) is against the collar (10) and so that, under the pressure exerted by the action of the cam (25), the nozzles (21) engage towards the bottom of the bowls (13) so that the cam (25) applies on the upper flange a prestressing force which elastically locks the upper spout (21) in the bowl (13) of the corresponding support flange.
EP86870139A 1985-09-30 1986-09-30 Connecting device for scaffoldings Expired - Lifetime EP0217779B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86870139T ATE62047T1 (en) 1985-09-30 1986-09-30 CONNECTING PARTS FOR SCAFFOLDING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE0/215657A BE903345A (en) 1985-09-30 1985-09-30 Connection for scaffolding frame - has horizontal bar anchor wedged into profiled support cup on riser by cam
BE215657 1985-09-30

Publications (3)

Publication Number Publication Date
EP0217779A2 true EP0217779A2 (en) 1987-04-08
EP0217779A3 EP0217779A3 (en) 1988-03-23
EP0217779B1 EP0217779B1 (en) 1991-03-27

Family

ID=3843933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86870139A Expired - Lifetime EP0217779B1 (en) 1985-09-30 1986-09-30 Connecting device for scaffoldings

Country Status (3)

Country Link
EP (1) EP0217779B1 (en)
AT (1) ATE62047T1 (en)
DE (1) DE3678375D1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676786A1 (en) * 1991-05-22 1992-11-27 Seror Alain Assembly device for tubes
EP0605411A4 (en) * 1990-09-13 1993-08-20 Joe W Williams Improved scaffold connection.
WO2011034440A1 (en) * 2009-09-21 2011-03-24 Delta System As Coupling device for joining vertical and horizontal structural parts of building scaffolding, covering structures, tents, storage rooms etc.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001164A1 (en) * 1979-10-19 1981-04-30 Ringons Mek Verk Ab Device for coupling together laterally directed scaffold elements to uprights in a scaffold or the like
EP0032402A2 (en) * 1980-01-15 1981-07-22 SGB public limited company A scaffolding system
FR2496741A3 (en) * 1980-12-18 1982-06-25 Entrepose Connector for tubular scaffolding - uses annular link collars surrounding vertical tubes to receive ends of horizontal tubes
WO1982002733A1 (en) * 1981-02-02 1982-08-19 Udo Rose Steel tube scaffolding
EP0110027A1 (en) * 1982-11-08 1984-06-13 FIGGIE INTERNATIONAL INC. (Delaware Corporation) Scaffold joint for a scaffold structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001164A1 (en) * 1979-10-19 1981-04-30 Ringons Mek Verk Ab Device for coupling together laterally directed scaffold elements to uprights in a scaffold or the like
EP0032402A2 (en) * 1980-01-15 1981-07-22 SGB public limited company A scaffolding system
FR2496741A3 (en) * 1980-12-18 1982-06-25 Entrepose Connector for tubular scaffolding - uses annular link collars surrounding vertical tubes to receive ends of horizontal tubes
WO1982002733A1 (en) * 1981-02-02 1982-08-19 Udo Rose Steel tube scaffolding
EP0110027A1 (en) * 1982-11-08 1984-06-13 FIGGIE INTERNATIONAL INC. (Delaware Corporation) Scaffold joint for a scaffold structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0605411A4 (en) * 1990-09-13 1993-08-20 Joe W Williams Improved scaffold connection.
EP0605411A1 (en) * 1990-09-13 1994-07-13 WILLIAMS, Joe W. Improved scaffold connection
FR2676786A1 (en) * 1991-05-22 1992-11-27 Seror Alain Assembly device for tubes
WO2011034440A1 (en) * 2009-09-21 2011-03-24 Delta System As Coupling device for joining vertical and horizontal structural parts of building scaffolding, covering structures, tents, storage rooms etc.

Also Published As

Publication number Publication date
EP0217779A3 (en) 1988-03-23
DE3678375D1 (en) 1991-05-02
EP0217779B1 (en) 1991-03-27
ATE62047T1 (en) 1991-04-15

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