EP2003268B1 - Tie for supporting and attaching a structure to a wall, associated structure and corresponding structure assembly - Google Patents
Tie for supporting and attaching a structure to a wall, associated structure and corresponding structure assembly Download PDFInfo
- Publication number
- EP2003268B1 EP2003268B1 EP08104412.5A EP08104412A EP2003268B1 EP 2003268 B1 EP2003268 B1 EP 2003268B1 EP 08104412 A EP08104412 A EP 08104412A EP 2003268 B1 EP2003268 B1 EP 2003268B1
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- EP
- European Patent Office
- Prior art keywords
- clip
- tab
- finger
- wall
- drawer
- 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.)
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Classifications
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
Definitions
- fasteners for supporting and fixing on a wall, a corbelled work platform. Each fastener forms a seat for supporting and securing the platform to the outside of the wall.
- the fastener has a bearing surface on the outer face of the wall and a threaded rod protruding from the bearing surface and passing through the wall towards the interior of the building.
- the fastener On the inside of the wall, the fastener is fixed by screwing a nut on the rod and tightening this nut against the inner face of the wall.
- the patent application FR2604469 presents a coupling device for a gangway which comprises a central body which is introduced from the outside into a facade wall.
- An object of the invention is to allow the insertion and removal of the entirety of the fastener on one and the same side of the wall.
- the subject of the invention is a fastener according to claim 1.
- the invention also relates to a corbelled working structure, characterized in that it comprises a locking element adapted to cooperate with a fastening fastener as described above.
- the invention further relates to a corbelled working structure assembly, characterized in that it comprises a corbelled working structure and at least one fastening fastener as described above.
- the figure 1 illustrates a set 2 of corbelled working structure comprising a structure 4 forming a corbelled working platform, adapted to be suspended outside a wall 6, here a wall of a building, and support fasteners 8 and fixing the structure 4 on the wall 6.
- each fastener 8 is adapted to be received in a respective conical bore 10 of the wall 6, and to cross the wall 6 from one side to the other (see in particular figure 13 ).
- the folded configuration is adapted for insertion and removal of the fastener 8 through the wall 6, while the unfolded configuration is adapted for the support and locking of the structure 4 on the fastener 8.
- the length of the proximal section 16 is sufficient for the fastener 8 to be adapted to different wall thicknesses 6.
- the outer diameter of the distal section 22 substantially corresponds to the minimum diameter of the bore 10, i.e. the diameter of the bore 10 at its distal end.
- the section 22 is thus adapted to provide radial support at the distal end of the bore 10.
- the protrusion 18 As for the protrusion 18, its positioning is intended to bear on the bore 10, about one-third of the length of the bore 10 in the direction of insertion.
- the protrusion 18 ensures the centering of the body 14 in the bore 10.
- the length of the bore 10, that is to say the thickness of the wall 6, is between 150 mm and 400 mm.
- the section 22 has respective openings 52 allowing the release of the latch 30, the tab 36 and the finger 44.
- the latch 30 is rotatably mounted on the section 22 between its deployed and retracted positions, and has a toothed bearing surface 56 adapted to bear on the outer face 32 of the wall 6 safely. In the deployed position, this surface 56 extends substantially radially to the axis A, the serration preventing rotation of the body 14 with respect to the wall 6.
- the latch 30 is biased towards and to its extended position by means of a torsion spring 58 mounted on the axis of rotation of the latch 30 between the body 14 and the latch 30 (see FIG. figure 9 ).
- An abutment surface 60 delimited by the opening 52 limits the movement of the latch 30 towards its extended position, against the spring 58.
- the displacement mechanism 50 comprises a cylindrical actuating rod 64 slidably received in the body 14 and passing through the proximal section 16 from one side to project outside the body 14 and thus extend by an actuating handle 66 outside the body 14.
- the mechanism 50 further comprises a return spring 67 bearing on the body 14 and pushing the rod 64 towards the distal end of the body 14.
- the mechanism 50 also comprises a slide 68 slidably mounted in the distal section 22 and integrally connected to the distal end of the rod 64 by means of a pin.
- the sliding guide of the slide 68 is illustrated by the Figures 5, 6 , 8 and 9 . It is in particular realized by means of two opposite internal longitudinal grooves 71 provided in the body 14.
- the slide 68 is divided into a proximal portion 72 receiving the end of the rod 64, an intermediate portion 74 defining a housing space 76 of the latch 30, and a distal portion 78 having in particular a cam surface 80 projecting towards the latch 30.
- the surface 80 is adapted to cooperate with a cam follower surface 84 provided on the latch 30 ( figure 2 ), and to move it thus from its deployed position to its retracted position during the movement of the slide 68 towards the proximal end of the body 14, that is to say to the left on the figure 2 .
- the tab 36 is rotatably mounted on the section 22 between its retracted and deployed positions.
- the tab 36 substantially forms a fork comprising a base 85 dividing into two half-legs 86 parallel between which is housed, in the retracted position, the slide 68.
- the receiving housing 38 is formed by the two half-legs 86. It has on each half-tab 86 a concave locking surface 91 adapted to cooperate with a convex surface 92 provided on a protrusion 94 of the lever 40 of the structure 4 ( figure 13 ).
- the protuberance 94 is thus adapted to penetrate into the housing 38 and provide a vertical anti-lift of the structure 4, with a slight deflection (see figure 13 ).
- the tab 36 also has at its base an abutment surface 95 adapted to receive and retain a beam 97 of square section provided on the structure 4.
- the surface 95 extends, in the deployed position of the tab 36, substantially radially to the A axis. It ensures a horizontal retention of the beam 97, with a slight deflection.
- the abutment surface 95 and the locking surface 91 are provided on opposite sides of the tab 36.
- the junction between the base 85 and the half-legs 86 is provided by two diverging surfaces 100.
- a proximal surface 102 of the base 85 joins the diverging surfaces 100 and the abutment surface 95, and the surfaces 100 and 102 constitute a cam follower adapted to cooperate with a cam surface 104 provided on the distal end of the slide 68.
- the slide 68 is thus adapted to move the tab 36 from its retracted position to its deployed position during the displacement of the slide 68 towards the distal end of the body 14.
- the lug 36 has, at its base 85, a locking notch 106 in which the surface 104 of the slide 68 engages to block the lug 36 in its extended position.
- the displacement mechanism 50 also comprises a torsion spring 107 mounted around the axis of rotation of the tab 36 and biasing the tab 36 towards and to its retracted position. The displacement and the blocking of the tab 36 by the slide 68 take place against the torsion spring 107.
- the retaining finger 44 is rotatably mounted inside the slide 68 between its retracted and deployed positions. Indeed, as illustrated on the figure 8 , the drawer 68 divides in two, so that it thus provides an internal space for housing the finger 44.
- the displacement mechanism 50 comprises a torsion spring 108 mounted around the axis of rotation of the finger 44 so as to urge it towards and to its deployed position.
- the finger 44 has a proximal cam follower surface 112 adapted to cooperate with a cam surface 114 delimited by the opening 52 of movement of the finger 44 and the tab 36.
- the cam / follower cam assembly thus constituted displaces the finger 44 from its deployed position to its retracted position during sliding of the slide 68 towards the distal end of the body 14.
- the abutment surface 46 extends, in the deployed position of the finger 44, substantially radially to the axis A. It is opposite and parallel to the abutment surface 95 present on the tab 36. The two surfaces 46 and 95 are thus arranged on either side of the beam 97, once the structure 4 is approached.
- the distance between the two abutment surfaces 46, 95 is slightly greater than the width of the beam 97, so that the docking of the structure 4 is easy, and the horizontal retention of the beam 97 by the surfaces 46 , 95 is performed with a slight horizontal movement.
- the bore 10 is for example obtained by molding the concrete by means of a magnetic cone disposed on the formwork used for casting the wall 6.
- the structure 4 illustrated on the figure 1 comprises a tray 124 forming a floor, a foldable awning 126 extending the tray 124, and a safety barrier 128.
- the structure 4 also has two lateral support devices each formed by a bearing heel 130.
- the heel 130 is attached to the lower end of a substantially vertical upright 132 integral with the floor 124 and extending thereupon .
- the position of the upright 132 is provided by a foldable bracon 134 positioned obliquely between the plate 124 and the upright 132.
- the support provided by the heel 130 provides a counter-torque to the rotation of the structure 4 around the fastener 8.
- the locking lever 40 is formed by a rotatably mounted beam and extending along the plate 124.
- the operator pulls the handle 66 to the bottom, so that the rod 64 moves towards the proximal end of the fastener 8 and the slide 68 abuts on an internal shoulder 120 of the body 14.
- the tab 36 is brought to its retracted position under the action of the spring of The latch 30 rotates under the action of the cam surface 80 of the slide 68 cooperating with the cam follower surface 84 of the latch 30 to its retracted position.
- the finger 44 it is brought to its retracted position by sliding under the body 14 by means of the cam follower / cam follower 114, 112.
- the latch 30, the tab 36 and the finger 44 are then in their respective retracted position and do not protrude outside the body 14.
- the outer diameter of the distal section 22, that is to say the penetrating section 22 the first in the bore 10, is substantially equal to or very slightly less than the minimum diameter of the bore 10.
- the advance of the fastener 8 is blocked.
- the fastener 8 is, in this position, slightly more advanced to the right than on the figure 12 , so as to allow the deployment of the latch 30.
- the rod 64 then moves the slide 68 towards the distal end of the body 14, that is to say to the right on the Figures 11 to 13 .
- the cam surface 104 cooperates with the surfaces 100 and 102 of the tab 36 to rotate it towards and to its extended position, in which the tab 36 extends substantially radially relative to the axis A.
- This displacement of the lug 36 takes place against the torsion spring 107, and until the lug 36 abuts the surface 105 of the body 14.
- the operator also ensures that the handle 66 remains downwardly oriented so that the finger 44 and the tab 36 are oriented upwardly. Indeed, the rod 64 and the handle 66 are fixed in rotation in the body 14, and the handle 66 thus makes it possible to rotate the body 14 and to control its orientation.
- the structure 4 is then deposited on the fastener 8 by means of slings, so that the beam 97 is housed in the seat formed by the surface 46, the surface 95, and the upper surfaces of the drawer 68 and the body 14.
- the locking lever 40 is then in a raised position (see figure 12 ).
- the rotary lever 40 is brought to its lowered position so that the convex surface 92 cooperates with the concave surface 91 of the housing 38 (see FIG. figure 13 ).
- the lever 40 is returned to its raised position, and the structure 4 raised.
- the fastener 8 then returns to its folded configuration, as explained above, and the operator can remove the fastener 8 from the wall 6.
- the invention ensures a gain in speed as well as a gain in safety, the fastening operation of the fastener 8 on the structure 4, to prevent it from falling during the withdrawal, being dangerous.
- the wall 6 is not a wall of a building but a wall 6 of any known type adapted.
- the structure 4 is a suspended structure of any known type suitable.
- the body 14 has no protrusion 18.
Description
La présente invention concerne une attache de support et de fixation sur une paroi, d'une structure, notamment une structure de travail en encorbellement, du type comportant :
- un corps adapté pour traverser la paroi de part en part, entre une première face et une deuxième face opposée de cette paroi;
- un premier organe de serrage adapté pour prendre appui sur ladite première face ; et
- un deuxième organe complémentaire de serrage adapté pour prendre appui sur ladite deuxième face, ledit premier organe et ledit deuxième organe étant adaptés pour coopérer entre eux, serrer la paroi, et ainsi fixer le corps sur la paroi.
- a body adapted to cross the wall from one side to another, between a first face and a second opposite face of this wall;
- a first clamping member adapted to bear on said first face; and
- a second complementary clamping member adapted to bear on said second face, said first member and said second member being adapted to cooperate with each other, tighten the wall, and thus fix the body on the wall.
On connaît des attaches de support et de fixation sur un mur, d'une plateforme de travail en encorbellement. Chaque attache forme un siège de support et de fixation de la plateforme à l'extérieur du mur.There are known fasteners for supporting and fixing on a wall, a corbelled work platform. Each fastener forms a seat for supporting and securing the platform to the outside of the wall.
L'attache présente une surface d'appui sur la face extérieure du mur ainsi qu'une tige filetée faisant saillie à partir de la surface d'appui et traversant le mur vers l'intérieur du bâtiment.The fastener has a bearing surface on the outer face of the wall and a threaded rod protruding from the bearing surface and passing through the wall towards the interior of the building.
Du côté intérieur du mur, l'attache est fixée par vissage d'un écrou sur la tige et serrage de cet écrou contre la face intérieure du mur.On the inside of the wall, the fastener is fixed by screwing a nut on the rod and tightening this nut against the inner face of the wall.
Néanmoins, la fixation de l'attache requiert la présence de deux opérateurs de part et d'autre du mur. L'un tient la partie externe de l'attache tandis que l'autre visse et serre l'écrou.Nevertheless, fixing the fastener requires the presence of two operators on either side of the wall. One holds the outer part of the fastener while the other screws and tightens the nut.
En outre, lors du démontage de l'attache par desserrage et retrait de l'écrou, il est nécessaire d'accrocher la partie externe à la plateforme pour éviter sa chute, ou de prévoir la présence d'un opérateur à l'extérieur pour récupérer l'attache, ce qui est dangereux. Une autre solution possible consiste à laisser tomber l'attache à l'extérieur du mur, en prévoyant des mesures de protection adaptées pour le personnel de chantier.In addition, when removing the fastener by loosening and removing the nut, it is necessary to hang the outer portion to the platform to prevent it from falling, or to provide the presence of an operator outside for recover the fastener, which is dangerous. Another possible solution is to drop the fastener on the outside of the wall, providing adequate protective measures for site personnel.
La demande de brevet
Un but de l'invention est de permettre l'insertion et le retrait de l'intégralité de l'attache par un même et unique côté de la paroi.An object of the invention is to allow the insertion and removal of the entirety of the fastener on one and the same side of the wall.
A cet effet, l'invention a pour objet une attache selon la revendication 1.For this purpose, the subject of the invention is a fastener according to claim 1.
Suivant des modes particuliers de réalisation, l'attache comporte une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou suivant toutes les combinaisons techniquement possibles :
- les moyens de déplacement dudit deuxième organe sont actionnables depuis l'extrémité de l'attache située du côté dudit premier organe,
- les moyens de déplacement dudit deuxième organe comprennent un tiroir monté coulissant par rapport au corps de l'attache, et présentant une surface de came adaptée pour coopérer avec une surface de suiveur de came prévue sur ledit deuxième organe pour déplacer ledit deuxième organe entre sa position déployée et sa position escamotée lors du déplacement du tiroir,
- les moyens de déplacement comprennent un ressort de rappel adapté pour solliciter ledit deuxième organe à l'encontre du tiroir,
- la patte présente une première surface de butée adaptée pour retenir la structure, la surface de butée s'étendant, en position déployée de la patte, radialement à l'axe du corps de l'attache,
- la patte présente en outre une surface de verrouillage de la structure adaptée pour recevoir et coopérer avec un élément associé de verrouillage de la structure, pour verrouiller la structure en position.
- les moyens de déplacement de la patte comprennent ledit tiroir, ledit tiroir présentant une surface de came adaptée pour coopérer avec au moins une surface de suiveur de came prévue sur ladite patte pour déplacer ladite patte entre sa position déployée et sa position escamotée,
- les moyens de déplacement comprennent un ressort de rappel adapté pour solliciter ladite patte à l'encontre du tiroir,
- l'attache comporte en outre un doigt de retenue de la structure, le doigt étant mobile entre une position déployée dans laquelle il fait saillie à l'extérieur du corps de l'attache, et une position escamotée d'insertion et de retrait de l'attache, et en ce que l'attache comporte des moyens de déplacement du doigt entre sa position déployée et sa position escamotée, le doigt de retenue étant adapté pour coopérer avec la patte de retenue en vue de la retenue de la structure,
- le doigt présente une seconde surface de butée adaptée pour retenir ladite structure, et opposée à la première surface de butée de ladite patte,
- les moyens de déplacement du doigt comprennent ledit tiroir, le doigt étant monté rotatif sur ledit tiroir et le corps de l'attache présentant une surface de came adaptée pour coopérer avec une surface de suiveur de came prévue sur ledit doigt pour déplacer le doigt entre sa position déployée et sa position escamotée,
- les moyens de déplacement comprennent un ressort de rappel monté entre le doigt et le tiroir pour solliciter le doigt à l'encontre de ladite surface de came du corps de l'attache.
- the displacement means of said second member are actuable from the end of the fastener located on the side of said first member,
- the displacement means of said second member comprise a slide slidably mounted relative to the body of the fastener, and having a cam surface adapted to cooperate with a cam follower surface provided on said second member for moving said second member between its position deployed and its retracted position when moving the drawer,
- the displacement means comprise a return spring adapted to urge said second member against the drawer,
- the tab has a first abutment surface adapted to retain the structure, the abutment surface extending, in the deployed position of the tab, radially to the axis of the body of the clip,
- the tab further has a locking surface of the structure adapted to receive and cooperate with an associated locking element of the structure, to lock the structure in position.
- the means for moving the tab comprise said slide, said slide having a cam surface adapted to cooperate with at least one cam follower surface provided on said tab to move said tab between its deployed position and its retracted position,
- the displacement means comprise a return spring adapted to urge said tab against the drawer,
- the clip further comprises a retaining finger of the structure, the finger being movable between an extended position in which it projects outside the body of the clip, and a retracted position of insertion and withdrawal of the clip. attachment, and in that the fastener comprises means for moving the finger between its deployed position and its retracted position, the retaining finger being adapted to cooperate with the retaining tab in order to retain the structure,
- the finger has a second abutment surface adapted to retain said structure, and opposed to the first abutment surface of said tab,
- the finger moving means comprise said slide, the finger being rotatably mounted on said slide and the body of the clip having a cam surface adapted to cooperate with a cam follower surface provided on said finger to move the finger between its deployed position and its retracted position,
- the displacement means comprise a return spring mounted between the finger and the slide for biasing the finger against said cam surface of the body of the fastener.
L'invention a également pour objet une structure de travail en encorbellement, caractérisée en ce qu'elle comporte un élément de verrouillage adapté pour coopérer avec une attache de fixation telle que décrite ci-dessus.The invention also relates to a corbelled working structure, characterized in that it comprises a locking element adapted to cooperate with a fastening fastener as described above.
L'invention a encore pour objet un ensemble de structure de travail en encorbellement, caractérisé en ce qu'il comporte une structure de travail en encorbellement et au moins une attache de fixation telle que décrite ci-dessus.The invention further relates to a corbelled working structure assembly, characterized in that it comprises a corbelled working structure and at least one fastening fastener as described above.
L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple, et se référant aux dessins annexés, sur lesquels :
- la
figure 1 est une vue latérale schématique d'un ensemble de structure de travail en encorbellement selon l'invention et d'une paroi le supportant ; - la
figure 2 est une vue schématique en coupe axiale d'une attache de fixation selon l'invention, dans une configuration dépliée ; - la
figure 3 est une vue schématique d'un tiroir coulissant monté à l'intérieur de l'attache de lafigure 2 ; - les
figures 4 à 10 sont des vues en coupe respectivement selon les lignes IV à X de lafigure 2 ; - la
figure 11 est une vue schématique illustrant l'attache de lafigure 2 dans une configuration repliée pour son insertion ou son retrait à travers la paroi de lafigure 1 ; - la
figure 12 est une vue analogue à lafigure 11 illustrant l'attache fixée sur la paroi, en configuration dépliée, et l'accostage d'une structure de l'ensemble de structure de lafigure 1 sur l'attache ; et - la
figure 13 est une vue analogue auxfigures 11 et12 illustrant l'attache dans une configuration identique à lafigure 12 , la structure étant verrouillée sur l'attache.
- the
figure 1 is a schematic side view of a corbelled work structure assembly according to the invention and a wall supporting it; - the
figure 2 is a schematic view in axial section of a fastening fastener according to the invention, in an unfolded configuration; - the
figure 3 is a schematic view of a sliding drawer mounted inside the clip of thefigure 2 ; - the
Figures 4 to 10 are sectional views respectively along the lines IV to X of thefigure 2 ; - the
figure 11 is a schematic view illustrating the attachment of thefigure 2 in a folded configuration for insertion or removal through the wall of thefigure 1 ; - the
figure 12 is a view similar to thefigure 11 illustrating the fastening fixed on the wall, in unfolded configuration, and the docking of a structure of the structure assembly of thefigure 1 on the fastener; and - the
figure 13 is a view similar tofigures 11 and12 illustrating the fastener in a configuration identical to thefigure 12 , the structure being locked on the fastener.
La
A cet effet, chaque attache 8 est adaptée pour être reçue dans un alésage conique 10 respectif de la paroi 6, et pour traverser la paroi 6 de part en part (voir notamment
On décrira maintenant une attache 8 et sa coopération avec la structure 4.We will now describe a
L'attache 8 s'étend longitudinalement selon un axe A et comprend, en référence à la
- un
corps 14 sensiblement tubulaire divisé, de gauche à droite sur lafigure 2 , en un tronçon proximal fileté 16 tubulaire, uneexcroissance 18 présentant une portée conique d'appui 20 adaptée pour coopérer avec l'alésage 10, et un tronçon distal 22 formant un tube ouvert latéralement suivant sa longueur; - un écrou de
serrage 24 constituant un premier organe de serrage et possédant une rondelle folle 26 adaptée pour prendre appui sur une face intérieure 28 de la paroi 6 (voirfigure 13 ) ; - un
loquet 30 constituant un deuxième organe complémentaire de serrage opposé à l'écrou 24 et adapté pour prendre appui sur une face extérieure 32 de la paroi 6, l'écrou 24 et leloquet 30 étant adaptés pour coopérer entre eux, serrer la paroi 6, et ainsi fixer lecorps 14 sur la paroi 6 ; une patte 36 de retenue de lastructure 4 sur l'attache 8 possédant notamment un logement de réception 38 d'un levier de verrouillage rotatif 40 prévu sur la structure 4 (voirfigures 12 et13 ) ;un doigt 44 de retenue de lastructure 4 adapté pour coopérer avec la patte 36 et présentant une surface de butée 46 adaptée pour réaliser une retenue complémentaire de la retenue assurée par la patte 36 ;- et un mécanisme de déplacement 50 constituant des moyens respectifs de déplacement du loquet 30, de la patte 36 et du doigt 44 entre des positions respectives déployées à l'extérieur du corps 14, correspondant à une configuration dite "dépliée" de l'attache 8, et des positions respectives escamotées dans lesquelles le loquet 30, la patte 36 et le doigt 44 ne font pas saillie à l'extérieur du corps 14, et correspondant à une configuration dite "repliée" de l'attache 8.
- a substantially
tubular body 14 divided from left to right on thefigure 2 , in a tubular threadedproximal section 16, anoutgrowth 18 having aconical bearing surface 20 adapted to cooperate with thebore 10, and adistal section 22 forming a tube open laterally along its length; - a clamping
nut 24 constituting a first clamping member and having anidler washer 26 adapted to bear on aninner face 28 of the wall 6 (see FIG.figure 13 ); - a
latch 30 constituting a second complementary clamping member opposite thenut 24 and adapted to bear on anouter face 32 of the wall 6, thenut 24 and thelatch 30 being adapted to cooperate with each other, tighten the wall 6 , and thus fix thebody 14 on the wall 6; - a
tab 36 for retaining thestructure 4 on thefastener 8 having in particular a receivinghousing 38 of arotary locking lever 40 provided on the structure 4 (seefigures 12 and13 ); - a retaining
finger 44 of thestructure 4 adapted to cooperate with thelug 36 and having anabutment surface 46 adapted to achieve a complementary retention of the retaining provided by thelug 36; - and a
displacement mechanism 50 constituting respective means for moving thelatch 30, thetab 36 and thefinger 44 between respective positions deployed outside thebody 14, corresponding to a so-called "unfolded" configuration of thefastener 8 , and respective retracted positions in which thelatch 30, thetab 36 and thefinger 44 do not protrude outside thebody 14, and corresponding to a so-called "folded" configuration of thefastener 8.
La configuration repliée est adaptée pour l'insertion et le retrait de l'attache 8 à travers la paroi 6, tandis que la configuration dépliée est adaptée pour le support et le verrouillage de la structure 4 sur l'attache 8.The folded configuration is adapted for insertion and removal of the
La longueur du tronçon proximal 16 est suffisante pour que l'attache 8 soit adaptée à différentes épaisseurs de paroi 6.The length of the
Le diamètre externe du tronçon distal 22 correspond sensiblement au diamètre minimal de l'alésage 10, c'est-à-dire au diamètre de l'alésage 10 au niveau de son extrémité distale. Le tronçon 22 est ainsi adapté pour fournir un appui radial au niveau de l'extrémité distale de l'alésage 10.The outer diameter of the
Quant à l'excroissance 18, son positionnement est prévu pour prendre appui sur l'alésage 10, environ au tiers de la longueur de l'alésage 10 dans le sens d'insertion. L'excroissance 18 assure le centrage du corps 14 dans l'alésage 10. La longueur de l'alésage 10, c'est-à-dire l'épaisseur de la paroi 6, est comprise entre 150 mm et 400 mm.As for the
Le tronçon 22 présente des ouvertures respectives 52 permettant le débattement du loquet 30, de la patte 36 et du doigt 44.The
Le loquet 30 est monté rotatif sur le tronçon 22 entre ses positions déployée et escamotée, et présente une surface d'appui dentée 56 adaptée pour prendre appui sur la face extérieure 32 de la paroi 6 de manière sûre. En position déployée, cette surface 56 s'étend sensiblement radialement à l'axe A, la dentelure empêchant la rotation du corps 14 par rapport à la paroi 6.The
Le loquet 30 est sollicité vers et jusqu'à sa position déployée au moyen d'un ressort de torsion 58 monté sur l'axe de rotation du loquet 30, entre le corps 14 et le loquet 30 (voir
Une surface de butée 60 délimitée par l'ouverture 52 limite le débattement du loquet 30 vers sa position déployée, à l'encontre du ressort 58.An
Le mécanisme de déplacement 50 comprend une tige cylindrique d'actionnement 64 reçue coulissante dans le corps 14 et traversant le tronçon proximal 16 de part en part pour faire saillie à l'extérieur du corps 14 et se prolonger ainsi par une poignée d'actionnement 66 située à l'extérieur du corps 14. Le mécanisme 50 comprend en outre un ressort de rappel 67 prenant appui sur le corps 14 et poussant la tige 64 vers l'extrémité distale du corps 14.The
Le mécanisme 50 comprend également un tiroir 68 monté coulissant dans le tronçon distal 22 et relié de manière solidaire à l'extrémité distale de la tige 64 au moyen d'une goupille.The
Le guidage en coulissement du tiroir 68 est illustré par les
Comme illustré plus en détail sur la
La patte 36 est montée rotative sur le tronçon 22 entre ses positions escamotée et déployée. La patte 36 forme sensiblement une fourche comprenant une base 85 se divisant en deux demi-pattes 86 parallèles entre lesquelles est logé, en position escamotée, le tiroir 68.The
Le logement de réception 38 est formé par les deux demi-pattes 86. II présente sur chaque demi-patte 86 une surface concave de verrouillage 91 adaptée pour coopérer avec une surface convexe 92 prévue sur une protubérance 94 du levier 40 de la structure 4 (
La patte 36 présente également à sa base une surface de butée 95 adaptée pour recevoir et retenir une poutre 97 de section carrée prévue sur la structure 4. La surface 95 s'étend, en position déployée de la patte 36, sensiblement radialement à l'axe A. Elle assure une retenue horizontale de la poutre 97, avec un léger débattement.The
La surface de butée 95 et la surface de verrouillage 91 sont ménagées sur des côtés opposés de la patte 36.The
La jonction entre la base 85 et les demi-pattes 86 est assurée par deux surfaces divergentes 100.The junction between the base 85 and the half-
Une surface proximale 102 de la base 85 joint les surfaces divergentes 100 et la surface de butée 95, et les surfaces 100 et 102 constituent un suiveur de came adapté pour coopérer avec une surface de came 104 prévue sur l'extrémité distale du tiroir 68.A
Le tiroir 68 est ainsi adapté pour déplacer la patte 36 de sa position escamotée jusqu'à sa position déployée lors du déplacement du tiroir 68 vers l'extrémité distale du corps 14.The
Une surface de butée 105 délimitée par l'ouverture 52 de débattement de la patte 36, limite le débattement de la patte 36 vers sa position déployée, et assure ainsi une retenue sûre de la poutre 97 par la patte 36.An
En outre, la patte 36 possède, à sa base 85, une encoche 106 de verrouillage dans laquelle pénètre la surface 104 du tiroir 68 pour bloquer la patte 36 dans sa position déployée.In addition, the
Le mécanisme de déplacement 50 comprend également un ressort de torsion 107 monté autour de l'axe de rotation de la patte 36 et sollicitant la patte 36 vers et jusqu'à sa position escamotée. Le déplacement et le blocage de la patte 36 par le tiroir 68 s'effectuent à l'encontre du ressort de torsion 107.The
Le doigt de retenue 44 est monté rotatif à l'intérieur du tiroir 68 entre ses positions escamotée et déployée. En effet, comme illustré sur la
Le mécanisme de déplacement 50 comprend un ressort de torsion 108 monté autour de l'axe de rotation du doigt 44 de façon à le solliciter vers et jusqu'à sa position déployée.The
Le doigt 44 présente une surface proximale de suiveur de came 112 adaptée pour coopérer avec une surface de came 114 délimitée par l'ouverture 52 de débattement du doigt 44 et de la patte 36. L'ensemble came/suiveur de came ainsi constitué déplace le doigt 44 de sa position déployée jusqu'à sa position escamotée lors du coulissement du tiroir 68 vers l'extrémité distale du corps 14.The
La surface de butée 46 s'étend, en position déployée du doigt 44, sensiblement radialement à l'axe A. Elle est opposée et parallèle à la surface de butée 95 présente sur la patte 36. Les deux surfaces 46 et 95 sont ainsi disposées de part et d'autre de la poutre 97, une fois la structure 4 accostée.The
La distance entre les deux surfaces de butée 46, 95 est légèrement supérieure à la largeur de la poutre 97, de telle sorte que l'accostage de la structure 4 se fait facilement, et que la retenue horizontale de la poutre 97 par les surfaces 46, 95 est effectuée avec un léger débattement horizontal.The distance between the two
L'alésage 10 est par exemple obtenu par moulage du béton grâce à un cône magnétique disposé sur la banche utilisée pour le coulage de la paroi 6.The
La structure 4 illustrée sur la
La structure 4 possède également deux dispositifs d'appui latéral formés chacun par un talon d'appui 130. Le talon 130 est fixé à l'extrémité inférieure d'un montant sensiblement vertical 132 solidaire du plancher 124 et s'étendant sous celui-ci. La position du montant 132 est assurée par un bracon pliable 134 positionné de manière oblique entre le plateau 124 et le montant 132.The
L'appui assuré par le talon 130 assure un contre-couple à la rotation de la structure 4 autour de l'attache 8.The support provided by the
Le levier de verrouillage 40 est formé par une poutre montée rotative et s'étendant le long du plateau 124.The locking
Le fonctionnement de l'attache 8 est illustré par les
Pour l'insertion de l'attache 8 à travers la paroi 6, depuis l'intérieur du bâtiment, l'opérateur tire à fond la poignée 66, de telle sorte que la tige 64 se déplace vers l'extrémité proximale de l'attache 8 et que le tiroir 68 vient en butée sur un épaulement interne 120 du corps 14. Lors de ce déplacement, la patte 36 est amenée jusqu'à sa position escamotée sous l'action du ressort de torsion 107. Le loquet 30 tourne sous l'action de la surface de came 80 du tiroir 68 coopérant avec la surface de suiveur de came 84 du loquet 30, et ce jusqu'à sa position escamotée. Quant au doigt 44, il est amené jusqu'à sa position escamotée en glissant sous le corps 14 au moyen de l'ensemble came/suiveur de came 114, 112.For the insertion of the
Le loquet 30, la patte 36 et le doigt 44 sont alors dans leur position escamotée respective et ne font pas saillie à l'extérieur du corps 14.The
Cette configuration repliée permet la pénétration de l'attache 8 à travers l'alésage 10 de la paroi 6. En effet, comme expliqué ci-dessus, le diamètre externe du tronçon distal 22, c'est-à-dire du tronçon 22 pénétrant le premier dans l'alésage 10, est sensiblement égal ou très légèrement inférieur au diamètre minimum de l'alésage 10.This folded configuration allows the penetration of the
Lorsque l'excroissance 18 vient en appui contre l'alésage 10, l'avancement de l'attache 8 est bloqué. L'attache 8 est, dans cette position, légèrement plus avancée vers la droite que sur la
L'opérateur relâche ensuite la poignée 66 et ainsi la tige 64 qui, sous l'action du ressort de rappel 67, est poussée vers l'extrémité distale du corps 14.The operator then releases the
La tige 64 déplace alors le tiroir 68 vers l'extrémité distale du corps 14, c'est-à-dire vers la droite sur les
Lors de son déplacement, le tiroir 68 libère le loquet 30, qui vient dans sa position déployée sous l'action du ressort de torsion 58. Le même déplacement du tiroir 68 libère du corps 14 le doigt 44 qui, sollicité par le ressort de torsion 108, vient dans sa position déployée.During its movement, the
Lors du même déplacement du tiroir 68, la surface de came 104 coopère avec les surfaces 100 et 102 de la patte 36 pour la faire tourner vers et jusqu'à sa position déployée, dans laquelle la patte 36 s'étend sensiblement radialement par rapport à l'axe A. Ce déplacement de la patte 36 s'effectue à l'encontre du ressort de torsion 107, et jusqu'à ce que la patte 36 vienne en butée sur la surface 105 du corps 14.During the same displacement of the
L'opérateur s'assure également que la poignée 66 reste orientée vers le bas de telle sorte que le doigt 44 et la patte 36 sont orientés vers le haut. En effet, la tige 64 et la poignée 66 sont fixes en rotation dans le corps 14, et la poignée 66 permet ainsi de faire tourner le corps 14 et de contrôler son orientation.The operator also ensures that the
Tout en maintenant la poignée 66 vers le bas, l'opérateur visse l'écrou de serrage 24 jusqu'à ce que l'écrou 24 et le loquet 30 assurent un maintien et un serrage sûr du corps 14 sur la paroi 6.While keeping the
La structure 4 est alors déposée sur l'attache 8 au moyen d'élingues, de telle sorte que la poutre 97 vient se loger dans le siège constitué par la surface 46, la surface 95, et les surfaces supérieures du tiroir 68 et du corps 14. Le levier de verrouillage 40 est alors dans une position relevée (voir
Pour le verrouillage de la structure 4 sur l'attache 8, le levier rotatif 40 est amené vers sa position abaissée de telle sorte que la surface convexe 92 coopère avec la surface concave 91 du logement 38 (voir
Pour le retrait de l'attache 8, le levier 40 est ramené vers sa position relevée, et la structure 4 soulevée.For the removal of the
Une fois la structure 4 retirée de l'attache 8, un opérateur présent à l'intérieur du bâtiment desserre l'écrou 24, enfonce le corps 14 pour dégager le loquet 30 de la face extérieure 32 de la paroi 6 puis, tout en appuyant sur le corps 14, tire la poignée 66 de manière à déplacer la tige 64 et le tiroir 68 vers l'extrémité proximale de l'attache 8, c'est-à-dire vers la gauche sur les
Avec l'invention, il est ainsi possible d'insérer, de fixer, et de retirer l'attache 8 à partir d'un unique côté de la paroi 6, à savoir le côté opposé à la structure 4 et dans l'exemple illustré, le côté intérieur du bâtiment.With the invention, it is thus possible to insert, fix, and remove the
L'invention assure un gain en rapidité ainsi qu'un gain en sécurité, l'opération d'accrochage de l'attache 8 sur la structure 4, pour éviter sa chute lors du retrait, étant dangereuse.The invention ensures a gain in speed as well as a gain in safety, the fastening operation of the
En variante, la paroi 6 n'est pas un mur d'un bâtiment mais une paroi 6 de tout type connu adapté.Alternatively, the wall 6 is not a wall of a building but a wall 6 of any known type adapted.
En variante, la structure 4 est une structure suspendue de tout type connu adapté.Alternatively, the
En variante encore, le corps 14 ne présente pas d'excroissance 18.In another variant, the
Claims (14)
- A support and retaining clip (8) for a structure (4), in particular a cantilevered working structure, on a wall (6), of the type including:- a body (14) suitable for crossing all the way through the wall (6), between a first face (28) and a second face (32) opposite that wall (6);- a first gripping member (24) suitable for bearing on said first face (28); and- a second complementary gripping member (30) suitable for bearing on said second face (32), said first member (24) and said second member (30) being suitable for cooperating with one another, gripping the wall (6), and thus retaining the body (14) on the wall (6),
said second member (30) is movable between a deployed position in which it protrudes outside the body (14) of the clip (8) and in which it is designed to bear in said second face (32), and a retracted position for insertion and removal of the clip (8) through the wall (6), the clip (8) comprising means (50) for moving said second member (30) between its deployed position and its retracted position,
characterized in that the clip further includes a retaining tab (36) of the structure (4), the tab (36) being movable relative to the body (14) between the deployed position in which it protrudes outside the body (14) of the fastener (8), and a retracted position for insertion and removal of the clip (8), and in that the clip (8) comprises means (50) for moving the tab (36) between its deployed position and its retracted position. - The clip (8) according to claim 1, characterized in that the movement means (50) of said second member (30) can be actuated from the end fastener (8) situated on the side of the first member (24).
- The clip (8) according to claim 1 or 2, characterized in that the movement means (50) of said second member (30) comprise a drawer (68) mounted sliding relative to the body (14) of the clip (8), and having a cam surface (80) suitable for cooperating with a cam follower surface (84) provided on said second member (30) to move said second member (30) between its deployed position and its retracted position during the movement of the drawer (68).
- The clip (8) according to claim 3, characterized in that the movement means (50) comprise a return spring (58) suitable for biasing said second member (30) against the drawer (68).
- The clip (8) according to any one of the preceding claims, characterized in that the tab (36) has a first stop surface (95) suitable for retaining the structure (4), the stop surface (95) extending, in the deployed position of the tab (36), radially to the axis (A) of the body (14) of the clip (8).
- The clip (8) according to any one of the preceding claims, characterized in that tab (36) further has a locking surface (91) of the structure (4) suitable for receiving and cooperating with an associated locking element (40) of the structure (4), to lock the structure (4) in position.
- The clip (8) according to one of claims 1 and 6 combined with claim 3, characterized in that the movement means (50) of the tab (36) comprise said drawer (68), said drawer (68) having a cam surface (104) suitable for cooperating with at least one cam follower surface (100, 102) provided on said tab (36) to move said tab (36) between its deployed position and its retracted position.
- The clip (8) according to claim 7, characterized in that the drawer (68) is suitable for moving said second gripping member (30) from its deployed position to its retracted position, while the drawer (68) is suitable for moving the retaining tab (36) from its retracted position to its deployed position.
- The clip (8) according to claim 7 or 8, characterized in that the movement means (50) comprise a return spring (107) suitable for biasing said part (36) against the drawer (68).
- The clip (8) according to any one of claims 1 to 9, characterized in that the clip (8) further includes a retaining finger (44) of the structure (4), the finger (44) being movable between a deployed position in which it protrudes outside the body (14) of the clip (8), and a retracted position for insertion and removal of the clip (8), and in that the clip (8) includes means (50) for moving the finger (44) between its deployed position and its retracted position, the retaining finger (44) being suitable for cooperating with the retaining tab (36) for retention of the structure (4).
- The clip (8) according to claim 10, considered together with claim 5, characterized in that the finger (44) has a second stop surface (46) suitable for retaining said structure (4), and opposite the first stop surface (95) of said tab (36).
- The clip (8) according to claim 10 or 11 considered together with claim 7, characterized in that the movement means (50) of the finger (44) comprise said drawer (68), the finger (44) being rotatable on said drawer (68) and the body (14) of the clip (8) having a cam surface (114) suitable for cooperating with a cam follower surface (112) provided on said finger (44) to move said finger (44) between its deployed position and its retracted position.
- The clip (8) according to claim 12, characterized in that the movement means (50) comprise a return spring (108) mounted between the finger (44) and the drawer (68) to bias the finger (44) against said cam surface (114) of the body (14) of the clip (8).
- A cantilevered working structure assembly (2), characterized in that it includes a cantilevered working structure (4) and at least one retaining clip (8) according to any one of claims 1 to 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0755785A FR2917471B1 (en) | 2007-06-15 | 2007-06-15 | ATTACHMENT FOR SUPPORTING AND FIXING A STRUCTURE ON A WALL, ASSOCIATED STRUCTURE, AND CORRESPONDING STRUCTURE ASSEMBLY |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2003268A2 EP2003268A2 (en) | 2008-12-17 |
EP2003268A3 EP2003268A3 (en) | 2009-06-24 |
EP2003268B1 true EP2003268B1 (en) | 2016-01-06 |
Family
ID=38924645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08104412.5A Active EP2003268B1 (en) | 2007-06-15 | 2008-06-13 | Tie for supporting and attaching a structure to a wall, associated structure and corresponding structure assembly |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2003268B1 (en) |
FR (1) | FR2917471B1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2944538B1 (en) * | 2009-04-17 | 2013-06-28 | Sateco Sa | FLYING ATTACHMENT FOR SUPPORTING AND FIXING STRUCTURE ON A WALL COMPRISING AN AXIAL SUPPORT PAD. |
FR2944540B1 (en) * | 2009-04-17 | 2013-06-28 | Sateco Sa | SECURE FASTENING ATTACHMENT FOR SUPPORTING AND FIXING STRUCTURE ON A WALL. |
FR2944539B1 (en) * | 2009-04-17 | 2013-06-28 | Sateco Sa | FLYING ATTACHMENT FOR SUPPORTING AND FIXING STRUCTURE ON A WALL, PROVIDED WITH A CONNECTING ROD. |
FR2960927B1 (en) | 2010-06-07 | 2012-07-13 | Sateco Sa | FLAP ATTACHMENT FOR SUPPORTING AND FIXING A STRUCTURE ON A WALL, WITH AN ADAPTER |
FR2972016B1 (en) * | 2011-02-28 | 2013-03-15 | Bouygues Batiment Internat | ATTACHMENT SYSTEM FOR SUPPORTING AND FASTENING A WORKING PLATFORM ON A WALL SUCH AS A FACADE SAIL |
FR2973820B1 (en) * | 2011-04-07 | 2013-04-19 | Sateco Sa | FLYING ATTACHMENT FOR SUPPORTING AND FIXING A STRUCTURE ON A WALL |
FR2979651B1 (en) * | 2011-09-06 | 2013-09-27 | Outinord St Amand | ATTACHMENT FOR SUPPORTING AND FIXING A WORKING STRUCTURE INTO A WALL ENCORBELLEMENT WITH A MOBILE ORGAN. |
EP2978911B1 (en) * | 2013-03-27 | 2021-06-16 | WE Group GmbH & Co. KG | Device, assembly and method for fixing a scaffold to a façade and method for manufacturing the device |
CN109779380A (en) * | 2019-01-23 | 2019-05-21 | 浙江省送变电工程有限公司 | Laterally docking assembles the quick tightening device of angle steel tower and group tower method to helicopter |
FR3100554B1 (en) | 2019-09-08 | 2021-08-20 | Sateco Sa | Folding cantilever work structure comprising an interface member configured to fill a horizontal gap |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2265928A1 (en) * | 1974-03-28 | 1975-10-24 | Loeb | Securing device for shelves or racks - has upper support channel clamped against wall by fasteners passing through wall |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2604469B1 (en) * | 1986-09-29 | 1989-01-06 | Batiment Tech Services | HANGING DEVICE FOR FOOTWALKING OR SCAFFOLDING |
FR2678016B1 (en) * | 1991-06-18 | 1995-12-08 | Daniel Roussel | INTERLOCKING SHOE FOR SUPPORTS OF WORKING PLATFORMS IN THE CONSTRUCTION OF VARIOUS BUILDINGS. |
-
2007
- 2007-06-15 FR FR0755785A patent/FR2917471B1/en active Active
-
2008
- 2008-06-13 EP EP08104412.5A patent/EP2003268B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2265928A1 (en) * | 1974-03-28 | 1975-10-24 | Loeb | Securing device for shelves or racks - has upper support channel clamped against wall by fasteners passing through wall |
Also Published As
Publication number | Publication date |
---|---|
EP2003268A2 (en) | 2008-12-17 |
FR2917471A1 (en) | 2008-12-19 |
EP2003268A3 (en) | 2009-06-24 |
FR2917471B1 (en) | 2012-12-28 |
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