EP1471207B1 - Fixation system for lamellae and facade comprising such a system - Google Patents

Fixation system for lamellae and facade comprising such a system Download PDF

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Publication number
EP1471207B1
EP1471207B1 EP04291017A EP04291017A EP1471207B1 EP 1471207 B1 EP1471207 B1 EP 1471207B1 EP 04291017 A EP04291017 A EP 04291017A EP 04291017 A EP04291017 A EP 04291017A EP 1471207 B1 EP1471207 B1 EP 1471207B1
Authority
EP
European Patent Office
Prior art keywords
bearing
shaft
fastener system
slat
blade
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 - Lifetime
Application number
EP04291017A
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German (de)
French (fr)
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EP1471207A1 (en
Inventor
Claude Gamain
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Autogyre
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Autogyre
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Publication of EP1471207A1 publication Critical patent/EP1471207A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/08—Louvre doors, windows or grilles
    • E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
    • E06B9/308—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape with coaxial tilting bar and raising shaft

Definitions

  • the present invention relates to a blade attachment system intended more particularly for the realization of facade cladding of a building or more generally of construction.
  • a fastening system can also be used for producing a grid or any device using blades arranged side by side in a perforated manner.
  • the blades are fixed with a certain degree of inclination relative to the vertical or horizontal.
  • the blades are arranged with a downward inclination, i.e., their trailing edge is located higher than their leading edge.
  • the rear edges facing the building facade are located higher than the front edges facing outward. This is explained by the fact that it is preferable that the rain does not run against the facade of the building.
  • the blades play in this case the role of "umbrella" for the facade of the construction. It is the same when such blades are used for the realization of grid to prevent water from flowing inside the building.
  • blade support elements as well as anchoring elements.
  • the blade support members comprise receiving means for receiving a blade, and a detent pin for cooperating with a detent housing formed by the anchor member.
  • the snap-on heel of the support member may be inserted into the snap-in housing of the anchor element upside down or upside down, thereby varying the degree of inclination of the blade received. on the support element.
  • the two degrees of inclination thus obtained are symmetrical with respect to a bisector.
  • the blade attachment system includes an anchor member for bolting to a wall, the anchor member forming a kind of bearing or inwardly serrated housing.
  • the system includes a blade support member into which the blade is received and forms a notched shaft for receiving in the bearing of the anchor member.
  • the corresponding notches of the bearing and the shaft make it possible to vary the orientation of the support element, and thus of the blade.
  • the notched shaft of the blade support member is inserted and snap-fitted within the bearing of the fastener.
  • the bearing undergoes an elastic deformation during the frontal or radial insertion of the shaft in the bearing. This deformation prevents a solid and reliable retention of the blade support member on the anchoring element.
  • the present invention aims to overcome the aforementioned drawbacks of the prior art by defining a blade attachment system ensuring a highly resistant attachment and while allowing to vary the degree of inclination of the blades at will in a field of extended inclination.
  • An easy implementation is another object of the present invention.
  • a low cost price is yet another object of the invention.
  • the present invention provides a blade attachment system according to the main claim.
  • the engagement of the shaft in the bearing does not imply any deformation of the anchoring element and / or the support element, which guarantees a very strong engagement and fastening of the support element on the bearing.
  • the anchor element The locking means do not intervene in the resistant fastening of the shaft in the bearing. They only guarantee a blockage of the angular orientation of the shaft in the bearing.
  • the locking means comprise indexing means for imposing a fixed angular step.
  • indexing means for imposing a fixed angular step.
  • the shaft is removably received in the bearing so as to be able to extract it and reintroduce it into the bearing with a different angular orientation.
  • the locking means fix the angular orientation of the shaft in the bearing during the engagement of the shaft in the bearing.
  • the relative angular orientation can no longer be varied.
  • the degree of inclination of the blade is then fixed.
  • the locking means are integrated in the engagement of the shaft in the bearing.
  • the bearing comprises at least one axial access passage through which the shaft is axially engageable in the bearing.
  • the bearing has a bearing axis which extends horizontally with respect to the vertical support structure.
  • the access passage or passages are provided at one or both axial ends of the bearing.
  • the bearing forms an internal bearing surface and the shaft forms an external bearing intended to engage with the internal bearing surface of the bearing, the locking means being provided at the respective bearing surfaces of the bearing and of the tree.
  • the bearing surfaces have respective sections in engagement able to ensure a locking in rotation between the shaft and the bearing.
  • the spans have complementary grooves.
  • the bearing forms a radial opening defining the angular displacement of the shaft in the bearing.
  • the bearing is then in the form of a claw open at both its axial ends as well as radially or laterally.
  • the internal bearing surface preferably extends over 180 degrees to form a housing at least slightly closed to accommodate the shaft of the support member.
  • the anchoring element comprises locking means capable of preventing a withdrawal of the shaft from the bearing. These locking means are used to fix the axial position of the shaft in the bearing. Thus, the shaft can not disengage axially from the bearing. These locking means have no influence on the locking means in rotation.
  • the anchoring element and / or the support element is made by metal extrusion.
  • the metal may be aluminum.
  • the invention also relates to a facade cladding comprising a blade attachment system as described above.
  • the blade attachment system comprises two constituent elements, namely an anchoring element 1 and a blade support member 2.
  • the fastening system is intended to be fixed on a support structure 4 which can be a facade of a building or an element reported or subject to the facade of the building.
  • the support structure can be in the form of profiles fixed to the facade of the building.
  • the support structure 4 may also be a constituent element of a ventilation grid frame. The nature of the support structure 4 thus determines the nature and use of the device including the blade attachment system according to the invention.
  • Blades are of course associated with the fastening system without being a constituent element of this fastening system.
  • the blades are generally in the form of a substantially flat elongated member.
  • the length of the blades can vary from a few tens of centimeters to several meters: blades of 6 meters long are possible.
  • the blades have a width that can vary from a few centimeters to a few tens of centimeters, for example 40 cm.
  • the thickness of the blades can vary from a few millimeters to a few centimeters.
  • the blades visible in Figure 1 in cross section, are made from aluminum profiles. For blades having a width of about 20 cm, they are made from a unitary unitary profile. For blades with an upper width of up to 40 cm, the blades can be made from 2 or 3 aluminum profiles assembled releasably.
  • the blades may include one or more internal stabilizing and reinforcing ribs (s) to increase the resistance of the blade to bending and twisting.
  • the blade 3 shown in Figure 1 is typically a blade 20 to 25 cm wide for a length of up to 6 m. Its thickness is of the order of 3 to 5 cm. Its interior is hollow.
  • the anchoring element 1 shown in FIGS. 1 and 2, comprises a bearing 11 mounted on a fixing plate 12.
  • the fixing plate comprises several through holes 126 intended to receive fastening screws 6 screwed into the structure of support 4 as can be seen in Figure 1.
  • the bearing 11, made in one piece with the fixing plate 12, comprises an inner bearing 111, which is here made with parallel grooves.
  • the internal surface 111 defines a fluted circular cylinder section open at its two axial ends.
  • the parallel splines extend from one axial end to the other axial end.
  • the grooved cylinder section formed by the internal surface 111 is not complete since it lacks a peripheral segment of a cylinder forming a radial or lateral opening 112.
  • the internal surface 111 thus defines an internal housing 110 accessible by the two axial ends of the and the radial or lateral opening 112.
  • the span 111 extends over more than 180 °, so that the opening 112 defines a narrowed passage within the housing 110.
  • the missing segment of the circular cylindrical section represents less than half of the periphery of the cylinder section forming the fluted inner surface 111.
  • the internal surface 111 is here made with splines: however, this internal surface 111 can also be made with another type of surface profiles, insofar as the surface 111 is not perfectly and completely defined by a circular cylindrical section. smooth. A polygonal internal span in cross section is quite conceivable instead of splines. More complex surface profiles combining circular smooth sections and profiled, fluted, toothed, flat or curved sections are also conceivable.
  • the inner housing 110 formed by the bearing 11 of Figures 1 and 2 is accessible by its two axial ends as mentioned above: however, it can be envisaged that the inner housing 110 is accessible only by a single axial end, the other end being partially or completely obstructed. However, in the case where the anchoring element is made from an aluminum profile, for example, it is simpler than the housing 110 is accessible by its two axial ends.
  • the radial or lateral opening 112 is delimited by two opposite edges 113 and 114, which advantageously extend in parallel. These two edges 113 and 114 also mark the angular ends of the internal bearing surface 111.
  • the grooves formed by the internal bearing 111 extend advantageously parallel to the edges 113 and 114.
  • the fictitious axis of the bearing 111 also extends horizontally.
  • the open axial ends of the bearing 11 are located on the horizontal axis, while the lateral or radial opening 112 is oriented slightly downwards as can be seen in FIG. 1.
  • the edge 113 is located higher than the edge 114.
  • the bearing 11 also forms a through channel 115 which extends parallel to the splines of the internal span 111.
  • This through channel 115 can be open along its entire length so as to communicate directly with the inner housing 110.
  • the channel 115 extends between the two open axial ends of the bearing 11.
  • the blade support element 2 shown in FIG. 1 and in FIG. 3 in an alternative embodiment, comprises a shaft 2 and blade receiving means 23.
  • These receiving means 23 may be in the form of A fork with two branches 231 and 232.
  • the two branches are identical and symmetrical by mirror symmetry, while in Figure 3, the upper branch 231 is larger than the lower branch 232. It is not There are only alternative embodiments without influence on the principle of the present invention.
  • the branches 231 and 232 form between them a receiving housing 230 intended to receive a blade 3 by one of its two longitudinal edges, as can be seen in FIG. 1.
  • At least one branch, and preferably the two branches, are provided with screw holes 236 for receiving screws 6 screwed into the blade 3, as can be seen in FIG. 1.
  • the internal profile of the receiving housing 230 is advantageously identical to the external profile of the blade 3.
  • the blade can adapt substantially without play between the two branches 231 and 232 in the receiving housing 230.
  • the receiving fork formed by the branches is connected to the shaft 21 by a connecting section 22.
  • This connecting section 22 s' extends in the extension of the junction of the two branches 231 and 232.
  • the shaft 21 connected to the section 22 has an outer surface 211 which is provided with parallel grooves of size and of complementary shape to the splines of the internal bearing surface 111 of the bearing 11 of the anchoring element 1.
  • the outer bearing surface 212 defines a fluted circular cylinder section except at the connection to the connecting section 22.
  • the diameter of the cylinder is slightly smaller than the diameter of the cylinder formed by the internal bearing 111 of the bearing 11, so that the shaft 21 can fit into the inner housing 110 of the bearing 11 substantially without play.
  • the shaft 21 internally defines a hollow volume 210.
  • the shaft 21 can be engaged by one of its two axial ends by a horizontal axial translational movement inside the bearing 11.
  • the insertion of the shaft 21 in the bearing 11 is however only possible if the grooves of the outer bearing 211 can be interlocked in the grooves of the internal bearing 111.
  • the shaft 21 can The internal housing 110 of the bearing 11 is open at its two axial ends, the shaft 21 can be engaged by one end and extracted by the other end. Therefore, each axial end defines an access or outlet passage for the shaft 21 of the blade support member 2.
  • the connecting section 22 of the blade support member 2 is arranged and oriented so that it can be housed in the radial opening 112 of the inner housing 110.
  • the blade support member must have an angular orientation such that the section of the connection 22 can be housed between the two opposite edges 113 and 114 defining the tapered passage opening within the inner housing 110.
  • the splined shaft 21 has been introduced into the splined bearing 11 with the connecting section 22 in contact with the upper edge 113.
  • the tree 21 can also be inserted into the bearing 11 with the connecting section 22 abutting against the lower edge 114.
  • the flutes are angularly spaced 15 °.
  • the connecting section 22 may be angularly disposed in the opening 112 in six different angular positions spaced 15 °, that is 0, 15, 30, 45, 60 and 75 °.
  • the width of the opening 112 between the edges 113 and 114 as well as the thickness of the connecting section 22 determine the amplitude of angular displacement of the connecting section 22, and thus of the blade receiving means 23.
  • the receiving means 23 in which the blade 3 is engaged can be arranged with a degree of inclination corresponding to an angular range of 75 ° in steps of 15 °. Since the blade 3 in Figure 1 extends substantially horizontally, and the connecting section 22 abuts against the upper edge 113, the other extreme opposite angular position corresponds to the abutment of the section of the link 22 against the lower edge 14. The blade 3 is then oriented strongly downward with an angle of 75 ° relative to the horizontal.
  • the complementary grooves of the bearings of the bearing and of the shaft thus constitute rotational locking means without deformation, neither of the bearing 11, nor of the shaft 21. Moreover, since the shaft 21 can be engaged in the Bearing 11 with one of six predetermined angular positions ranging from 0 to 75 ° with a pitch of 15 °, the complementary grooves also provide an indexing function in addition to that of rotational locking. It must again be pointed out that complementary splines are not the only means of making an indexed rotation lock. Polygonal complementary spans are conceivable. A regular 24-sided polygon also provides indexing with an angular pitch of 15 °.
  • the radial opening 112 provides reduced access to the interior of the housing 110 and the bearing 11 and the shaft 21 are dimensionally stable, it is impossible for the shaft 21 to disengage from the bearing 11 through the housing.
  • the nested complementary grooves further increase the consistency and resistance of the fixing of the shaft 21 inside the bearing 11.
  • the only possibility for the shaft 21 to disengage the bearing 11 is to slide axially in the bearing towards one of these two access or exit ends.
  • a screw head 5 can be screwed into the through channel 115 of the bearing 11 at each end of the access or exit openings of the bearing 11.
  • the head the screw 5 is positioned in overlapping of at least one of the splines of the shaft 21.
  • Locking of the support member with screws 5 for long blades subject to thermal expansion phenomena is preferably only performed at the center of the blades. Indeed, these large blades are held by several support elements, for example every meter or every two meters. In this case, only the element or the two central support elements will be locked, while the other support elements are free to slide with their shaft in their respective bearings. The blade can thus expand at both ends by being held in the middle. It should be noted that this locking is achieved by means of two simple screws mounted on support elements which are identical to those not locked.
  • the operator responsible for mounting first fixes all the anchoring element 1 on the support structure 4. Then, depending on the instructions as to the degree of inclination of the blades, the operator introduces into each bearing housing an associated blade support member shaft. It will be sufficient for the operator to count the number of grooves in the opening 112 of the housing 110 to accurately determine the desired degree of inclination. Once all the trees are engaged in the bearings, it is sufficient for the operator 5. The blades can then be inserted into the housings 230 of the receiving means 23 formed by the blade support elements. A last operation is to put in place the screws 6 to fix the blades in the housing 230.
  • the anchoring element is attached to the support structure with the radial opening facing the arm.
  • the blade attachment system it is possible to vary the degree of inclination of the blades relative to the support structure without performing any other mounting operation than that of fixing the support member of blades on the anchor element.
  • the attachment between the anchoring element and the blade support member is very strong and dimensionally stable.

Abstract

The system has an anchoring unit (1) fixed to a support structure (4), and a sheet support unit (2) with a sheet reception unit (23) to receive a sheet (3). A bearing (11) in the unit (23) has an axial access passage to engage a shaft (21) axially in the bearing. The unit (23) and the sheet have a predetermined degree of inclination with respect to the support structure according to angular orientation of the shaft. An independent claim is also included for a weatherboard comprising a sheet fixation system.

Description

La présente invention concerne un système de fixation de lames destiné plus particulièrement à la réalisation de parement de façade d'immeuble ou plus généralement de construction. Un tel système de fixation peut également être utilisé pour la réalisation de grille ou de tout dispositif mettant en oeuvre des lames disposées côte à côte de manière ajourée.The present invention relates to a blade attachment system intended more particularly for the realization of facade cladding of a building or more generally of construction. Such a fastening system can also be used for producing a grid or any device using blades arranged side by side in a perforated manner.

Que ce soit pour la réalisation de parement de façade ou de tout autre ouvrage, les lames sont fixées avec un certain degré d'inclinaison par rapport à la verticale ou à l'horizontale. En général, les lames sont disposées avec une inclinaison vers le bas, c'est-à-dire que leur bord arrière est situé plus haut que leur bord avant. Plus précisément, lorsque de telles lames sont utilisées pour réaliser un parement de façade, les bords arrière tournés vers la façade de l'immeuble sont situés plus haut que les bords avant tournés vers l'extérieur. Ceci s'explique entre autre par le fait qu'il est préférable que la pluie ne s'écoule pas contre la façade de l'immeuble. Les lames jouent dans ce cas le rôle de « parapluie » pour la façade de la construction. Il en est de même lorsque de telles lames sont utilisées pour la réalisation de grille afin d'éviter que l'eau ne s'écoule à l'intérieur de la construction.Whether for the realization of facade cladding or any other work, the blades are fixed with a certain degree of inclination relative to the vertical or horizontal. In general, the blades are arranged with a downward inclination, i.e., their trailing edge is located higher than their leading edge. Specifically, when such blades are used to make a facade cladding, the rear edges facing the building facade are located higher than the front edges facing outward. This is explained by the fact that it is preferable that the rain does not run against the facade of the building. The blades play in this case the role of "umbrella" for the facade of the construction. It is the same when such blades are used for the realization of grid to prevent water from flowing inside the building.

On connaît déjà des systèmes de fixation de lame permettant de fixer les lames avec deux degrés d'inclinaison différents. Ce type de système comprend des éléments de support de lame ainsi que des éléments d'ancrage. Les éléments de support de lames comprennent des moyens de réception destinés à recevoir une lame, ainsi qu'un talon d'encliquetage destiné à coopérer avec un logement d'encliquetage formé par l'élément d'ancrage. Le talon d'encliquetage de l'élément de support peut être inséré dans le logement d'encliquetage de l'élément d'ancrage à l'endroit ou à l'envers, ce qui fait varier le degré d'inclinaison de la lame reçue sur l'élément de support. Les deux degrés d'inclinaison ainsi obtenus sont symétriques par rapport à une bissectrice. Avec ce système de fixation de lames par encliquetage à deux positions, on utilise la déformation élastique du talon d'encliquetage et/ou du logement d'encliquetage. Par conséquent, la fixation du talon dans le logement ne peut pas être garantie dans toutes les éventualités, notamment en cas de tempête.Already known blade attachment systems for securing the blades with two different degrees of inclination. This type of system comprises blade support elements as well as anchoring elements. The blade support members comprise receiving means for receiving a blade, and a detent pin for cooperating with a detent housing formed by the anchor member. The snap-on heel of the support member may be inserted into the snap-in housing of the anchor element upside down or upside down, thereby varying the degree of inclination of the blade received. on the support element. The two degrees of inclination thus obtained are symmetrical with respect to a bisector. With this two-position snap-on blade attachment system, the elastic deformation of the snap-in bead and / or the ratchet housing is used. Therefore, the fixing of the heel in the housing can not be guaranteed in all eventualities, especially in case of storm.

C'est également le cas du système décrit dans le document EP-1 308 597, lequel bénéficie d'une date de priorité antérieure et fait ainsi partie de l'état de la technique selon l'Article 54(3) CBE. Ce système de fixation de lames comprend un élément d'ancrage destiné à être boulonné à un mur, cet élément d'ancrage formant une sorte de palier ou de logement cranté intérieurement. D'autre part, le système comprend un élément de support de lame dans lequel la lame est reçue et forme un arbre également cranté destiné à être reçu dans le palier de l'élément d'ancrage. Les crans correspondants du palier et de l'arbre permettent de faire varier l'orientation de l'élément de support, et de ce fait de la lame. Toutefois, dans ce document, l'arbre cranté de l'élément de support de lames est introduit et reçu par encliquetage à l'intérieur du palier de l'élément d'accrochage. Pour cela, le palier subit une déformation élastique lors de l'insertion frontale ou radiale de l'arbre dans le palier. Cette déformation empêche un maintien solide et fiable de l'élément de support de lames sur l'élément d'ancrage.This is also the case of the system described in EP-1 308 597, which has an earlier priority date and thus forms part of the state of the art under Article 54 (3) EPC. The blade attachment system includes an anchor member for bolting to a wall, the anchor member forming a kind of bearing or inwardly serrated housing. On the other hand, the system includes a blade support member into which the blade is received and forms a notched shaft for receiving in the bearing of the anchor member. The corresponding notches of the bearing and the shaft make it possible to vary the orientation of the support element, and thus of the blade. However, in this document, the notched shaft of the blade support member is inserted and snap-fitted within the bearing of the fastener. For this, the bearing undergoes an elastic deformation during the frontal or radial insertion of the shaft in the bearing. This deformation prevents a solid and reliable retention of the blade support member on the anchoring element.

La présente invention a pour but de remédier aux inconvénients précités de l'art antérieur en définissant un système de fixation de lame assurant une fixation hautement résistante et tout en permettant de faire varier le degré d'inclinaison des lames à volonté dans un domaine d'inclinaison étendu. Une mise en place aisée est un autre but de la présente invention. Un prix de revient faible constitue encore un autre but de l'invention.The present invention aims to overcome the aforementioned drawbacks of the prior art by defining a blade attachment system ensuring a highly resistant attachment and while allowing to vary the degree of inclination of the blades at will in a field of extended inclination. An easy implementation is another object of the present invention. A low cost price is yet another object of the invention.

Pour atteindre ces buts, la présente invention prévoit un système de fixation de lames selon la revendication principale. L'engagement de l'arbre dans le palier n'implique aucune déformation quelconque de l'élément d'ancrage et/ou de l'élément de support, ce qui garantit un engagement et une fixation très résistante de l'élément de support sur l'élément d'ancrage. Les moyens de blocage n'interviennent pas dans la fixation résistante de l'arbre dans le palier. Ils ne garantissent qu'un blocage de l'orientation angulaire de l'arbre dans le palier.To achieve these objects, the present invention provides a blade attachment system according to the main claim. The engagement of the shaft in the bearing does not imply any deformation of the anchoring element and / or the support element, which guarantees a very strong engagement and fastening of the support element on the bearing. the anchor element. The locking means do not intervene in the resistant fastening of the shaft in the bearing. They only guarantee a blockage of the angular orientation of the shaft in the bearing.

Le fait que le palier et l'arbre restent indéformés lors de l'engagement de l'arbre dans le palier est une caractéristique qui peut être protégée indépendamment de l'engagement axial de l'arbre dans le palier.The fact that the bearing and the shaft remain deformed during the engagement of the shaft in the bearing is a characteristic that can be protected independently of the axial engagement of the shaft in the bearing.

Avantageusement, les moyens de blocage comprennent des moyens d'indexation permettant d'imposer un pas angulaire fixe. Ainsi, tous les degrés d'inclinaison ne sont pas possibles, mais uniquement certains imposés par les moyens d'indication en respectant un pas angulaire fixe, par exemple de 15 degrés.Advantageously, the locking means comprise indexing means for imposing a fixed angular step. Thus, not all degrees of inclination are possible, but only some imposed by the indicating means in a fixed angular step, for example 15 degrees.

Selon un autre aspect additionnel ou alternatif, l'arbre est reçu de manière amovible dans le palier de manière à pouvoir l'extraire et le réintroduire dans le palier avec une orientation angulaire différente. Avantageusement, les moyens de blocage fixent l'orientation l'angulaire de l'arbre dans le palier lors de l'engagement de l'arbre dans le palier. Ainsi, une fois l'arbre engagé dans le palier, l'orientation angulaire relative ne peut plus être variée. Le degré d'inclinaison de la lame est alors fixé. Pour modifier l'orientation angulaire relative, il faut retirer l'arbre du palier et le réintroduire avec une orientation angulaire différente. De ce fait, les moyens de blocage sont intégrés à l'engagement de l'arbre dans le palier. De préférence, le palier comprend au moins un passage d'accès axial par lequel l'arbre est engageable axialement dans le palier. En général, le palier présente un axe de palier qui s'étend horizontalement par rapport à la structure de support vertical. Le ou les passages d'accès sont prévus à une ou aux deux extrémités axiales du palier. Ainsi, l'arbre peut être engagé axialement avec un déplacement translatif horizontal à l'intérieur du palier.According to another additional or alternative aspect, the shaft is removably received in the bearing so as to be able to extract it and reintroduce it into the bearing with a different angular orientation. Advantageously, the locking means fix the angular orientation of the shaft in the bearing during the engagement of the shaft in the bearing. Thus, once the shaft engaged in the bearing, the relative angular orientation can no longer be varied. The degree of inclination of the blade is then fixed. To change the relative angular orientation, remove the shaft from the bearing and reintroduce it with a different angular orientation. As a result, the locking means are integrated in the engagement of the shaft in the bearing. Preferably, the bearing comprises at least one axial access passage through which the shaft is axially engageable in the bearing. In general, the bearing has a bearing axis which extends horizontally with respect to the vertical support structure. The access passage or passages are provided at one or both axial ends of the bearing. Thus, the shaft can be engaged axially with a horizontal translational movement within the bearing.

Selon une autre caractéristique intéressante de l'invention, le palier forme une portée interne et l'arbre forme une portée externe destinée à venir en prise avec la portée interne du palier, les moyens de blocage étant prévus au niveau des portées respectives du palier et de l'arbre. Avantageusement, les portées présentent des sections respectives en prise aptes à assurer un blocage en rotation entre l'arbre et le palier. De préférence, les portées présentent des cannelures complémentaires. Lors de l'engagement de l'arbre dans le palier, les cannelures respectives de l'arbre et du palier vont s'imbriquer de manière complémentaire ce qui rend impossible toute rotation de l'arbre dans le palier. La fixation ainsi obtenue est très résistante et également bloquée en rotation.According to another advantageous characteristic of the invention, the bearing forms an internal bearing surface and the shaft forms an external bearing intended to engage with the internal bearing surface of the bearing, the locking means being provided at the respective bearing surfaces of the bearing and of the tree. Advantageously, the bearing surfaces have respective sections in engagement able to ensure a locking in rotation between the shaft and the bearing. Preferably, the spans have complementary grooves. When engaging the shaft in the bearing, the splines respective of the shaft and the bearing will interfit in a complementary manner which makes it impossible to rotate the shaft in the bearing. The fixing thus obtained is very strong and also locked in rotation.

Selon un autre aspect, le palier forme une ouverture radiale délimitant le débattement angulaire de l'arbre dans le palier. Le palier se présente alors sous la forme d'une griffe ouverte à ses deux extrémités axiale ainsi que radialement ou latéralement. Toutefois, la portée interne du palier s'étend de préférence sur plus de 180 degrés pour former un logement au moins légèrement refermé permettant d'accueillir l'arbre de l'élément de support.In another aspect, the bearing forms a radial opening defining the angular displacement of the shaft in the bearing. The bearing is then in the form of a claw open at both its axial ends as well as radially or laterally. However, the internal bearing surface preferably extends over 180 degrees to form a housing at least slightly closed to accommodate the shaft of the support member.

Selon une autre caractéristique de l'invention, l'élément d'ancrage comprend des moyens de verrouillage aptes à empêcher un retrait de l'arbre hors du palier. Ces moyens de verrouillage permettent de fixer la position axiale de l'arbre dans le palier. Ainsi, l'arbre ne peut plus se désengager axialement du palier. Ces moyens de verrouillage n'ont aucune influence sur les moyens de blocage en rotation.According to another characteristic of the invention, the anchoring element comprises locking means capable of preventing a withdrawal of the shaft from the bearing. These locking means are used to fix the axial position of the shaft in the bearing. Thus, the shaft can not disengage axially from the bearing. These locking means have no influence on the locking means in rotation.

Selon une forme de réalisation économique, l'élément d'ancrage et/ou l'élément de support est réalisé par extrusion de métal. De préférence, le métal peut être de l'aluminium.According to one economical embodiment, the anchoring element and / or the support element is made by metal extrusion. Preferably, the metal may be aluminum.

L'invention a également pour objet un parement de façade comprenant un système de fixation de lame tel que décrit ci-dessus.The invention also relates to a facade cladding comprising a blade attachment system as described above.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemple non limitatif un mode de réalisation de l'invention.The invention will now be more fully described with reference to the accompanying drawings giving by way of non-limiting example an embodiment of the invention.

Sur les figures :

  • la figure 1 est une vue en section transversale verticale à travers un système de fixation de lame supportant une lame et fixé à une structure de support,
  • la figure 2 est une vue agrandie en section transversale à travers un élément d'ancrage selon une forme de réalisation de l'invention, et
  • la figure 3 est une vue agrandie en section transversale à travers un élément de support de lame selon un mode de réalisation de l'invention.
In the figures:
  • FIG. 1 is a vertical cross-sectional view through a blade attachment system supporting a blade and attached to a support structure,
  • FIG. 2 is an enlarged cross-sectional view through an anchoring element according to one embodiment of the invention, and
  • Fig. 3 is an enlarged cross-sectional view through a blade support member according to an embodiment of the invention.

Le système de fixation de lame selon l'invention comprend deux éléments constitutifs, à savoir un élément d'ancrage 1 et un élément de support de lame 2. Le système de fixation est destiné à être fixé sur une structure de support 4 qui peut être une façade d'immeuble ou un élément rapporté ou assujetti à la façade de l'immeuble. La structure de support peut se présenter sous la forme de profilés fixés à la façade de l'immeuble. La structure de support 4 peut également être un élément constitutif d'un cadre de grille d'aération. La nature de la structure de support 4 détermine ainsi la nature et l'usage du dispositif incluant le système de fixation de lames selon l'invention. Des lames sont bien entendu associées au système de fixation sans pour autant être un élément constitutif de ce système de fixation. Les lames se présentent généralement sous la forme d'un élément allongé sensiblement plat. La longueur des lames peut varier de quelques dizaines de centimètres à plusieurs mètres : des lames de 6 mètres de long sont envisageables. Les lames présentent une largeur qui peut varier de quelques centimètres jusqu'à quelques dizaines de centimètres, par exemple 40 cm. L'épaisseur des lames peut varier de quelques millimètres à quelques centimètres. Dans l'exemple utilisé pour illustrer la présente invention, les lames, visibles sur la figure 1 en section transversale, sont réalisées à partir de profilés en aluminium. Pour les lames présentant une largeur de l'ordre de 20 cm, elles sont réalisées à partir d'un profilé unitaire monobloc. Pour les lames présentant une largeur supérieure allant jusqu'à 40 cm, les lames peuvent être réalisées à partir de 2 ou de 3 profilés en aluminium assemblés de manière indémontable. Les lames peuvent comprendre une ou plusieurs nervure(s) de stabilisation et de renforcement inteme(s) pour augmenter la résistance de la lame à la flexion et à la torsion. La lame 3 représentée sur la figure 1 est typiquement une lame de 20 à 25 cm de largeur pour une longueur pouvant aller jusqu'à 6 m. Son épaisseur est de l'ordre de 3 à 5 cm. Son intérieur est creux.The blade attachment system according to the invention comprises two constituent elements, namely an anchoring element 1 and a blade support member 2. The fastening system is intended to be fixed on a support structure 4 which can be a facade of a building or an element reported or subject to the facade of the building. The support structure can be in the form of profiles fixed to the facade of the building. The support structure 4 may also be a constituent element of a ventilation grid frame. The nature of the support structure 4 thus determines the nature and use of the device including the blade attachment system according to the invention. Blades are of course associated with the fastening system without being a constituent element of this fastening system. The blades are generally in the form of a substantially flat elongated member. The length of the blades can vary from a few tens of centimeters to several meters: blades of 6 meters long are possible. The blades have a width that can vary from a few centimeters to a few tens of centimeters, for example 40 cm. The thickness of the blades can vary from a few millimeters to a few centimeters. In the example used to illustrate the present invention, the blades, visible in Figure 1 in cross section, are made from aluminum profiles. For blades having a width of about 20 cm, they are made from a unitary unitary profile. For blades with an upper width of up to 40 cm, the blades can be made from 2 or 3 aluminum profiles assembled releasably. The blades may include one or more internal stabilizing and reinforcing ribs (s) to increase the resistance of the blade to bending and twisting. The blade 3 shown in Figure 1 is typically a blade 20 to 25 cm wide for a length of up to 6 m. Its thickness is of the order of 3 to 5 cm. Its interior is hollow.

L'élément d'ancrage 1, représenté sur les figures 1 et 2, comprend un palier 11 monté sur une platine de fixation 12. La platine de fixation comprend plusieurs trous traversants 126 destinés à recevoir des vis de fixation 6 vissées dans la structure de support 4 comme on peut le voir sur la figure 1. Le palier 11, réalisé de manière monobloc avec la platine de fixation 12, comprend une portée interne 111, qui est ici réalisée avec des cannelures parallèles. La portée interne 111 définit un tronçon de cylindre circulaire cannelé ouvert à ses deux extrémités axiales. Les cannelures parallèles s'étendent d'une extrémité axiale à l'autre extrémité axiale. Le tronçon de cylindre cannelé formé par la portée interne 111 n'est pas complet puisqu'il manque un segment périphérique de cylindre formant une ouverture radiale ou latérale 112. La portée interne 111 définit ainsi un logement interne 110 accessible par les deux extrémités axiales du palier ainsi que par l'ouverture radiale ou latérale 112. La portée 111 s'étend sur plus de 180°, de sorte que l'ouverture 112 définit un passage rétréci à l'intérieur du logement 110. En d'autres termes, le segment manquant du tronçon cylindrique circulaire représente moins de la moitié de la périphérie du tronçon de cylindre formant la portée interne cannelée 111.The anchoring element 1, shown in FIGS. 1 and 2, comprises a bearing 11 mounted on a fixing plate 12. The fixing plate comprises several through holes 126 intended to receive fastening screws 6 screwed into the structure of support 4 as can be seen in Figure 1. The bearing 11, made in one piece with the fixing plate 12, comprises an inner bearing 111, which is here made with parallel grooves. The internal surface 111 defines a fluted circular cylinder section open at its two axial ends. The parallel splines extend from one axial end to the other axial end. The grooved cylinder section formed by the internal surface 111 is not complete since it lacks a peripheral segment of a cylinder forming a radial or lateral opening 112. The internal surface 111 thus defines an internal housing 110 accessible by the two axial ends of the and the radial or lateral opening 112. The span 111 extends over more than 180 °, so that the opening 112 defines a narrowed passage within the housing 110. In other words, the missing segment of the circular cylindrical section represents less than half of the periphery of the cylinder section forming the fluted inner surface 111.

La portée interne 111 est ici réalisée avec des cannelures : cependant, cette portée interne 111 peut également être réalisée avec un autre type de profils de surface, dans la mesure où la portée 111 n'est pas parfaitement et entièrement définie par un tronçon cylindrique circulaire lisse. Une portée interne polygonale en section transversale est tout à fait envisageable à la place des cannelures. Des profils de surface plus complexes associant des sections lisses circulaires et des sections profilées, cannelées, dentées, planes ou courbes sont aussi envisageables.The internal surface 111 is here made with splines: however, this internal surface 111 can also be made with another type of surface profiles, insofar as the surface 111 is not perfectly and completely defined by a circular cylindrical section. smooth. A polygonal internal span in cross section is quite conceivable instead of splines. More complex surface profiles combining circular smooth sections and profiled, fluted, toothed, flat or curved sections are also conceivable.

Le logement interne 110 formé par le palier 11 des figures 1 et 2 est accessible par ses deux extrémités axiales comme susmentionné : cependant, on peut envisager que le logement interne 110 ne soit accessible que par une seule extrémité axiale, l'autre extrémité étant partiellement ou complètement obstruée. Toutefois, dans le cas où l'élément d'ancrage est réalisé à partir d'un profilé d'aluminium par exemple, il est plus simple que le logement 110 soit accessible par ses deux extrémités axiales.The inner housing 110 formed by the bearing 11 of Figures 1 and 2 is accessible by its two axial ends as mentioned above: however, it can be envisaged that the inner housing 110 is accessible only by a single axial end, the other end being partially or completely obstructed. However, in the case where the anchoring element is made from an aluminum profile, for example, it is simpler than the housing 110 is accessible by its two axial ends.

L'ouverture radiale ou latérale 112 est délimitée par deux bords opposés 113 et 114, qui s'étendent avantageusement parallèlement. Ces deux bords 113 et 114 marquent également les extrémités angulaires de la portée interne 111. Les cannelures formées par la portée interne 111 s'étendent avantageusement parallèlement aux bords 113 et 114. Lorsque l'élément d'accrochage est assujetti à la structure de support 4, les bords 113 et 114 ainsi que les cannelures de la portée interne 111 s'étendent horizontalement. L'axe fictif du palier 111 s'étend également horizontalement. Les extrémités axiales ouvertes du palier 11 sont situées sur l'axe horizontal, alors que l'ouverture latérale ou radiale 112 est orientée légèrement vers le bas comme on peut le voir sur la figure 1. Le bord 113 est situé plus haut que le bord 114.The radial or lateral opening 112 is delimited by two opposite edges 113 and 114, which advantageously extend in parallel. These two edges 113 and 114 also mark the angular ends of the internal bearing surface 111. The grooves formed by the internal bearing 111 extend advantageously parallel to the edges 113 and 114. When the fastening element is secured to the support structure 4, the edges 113 and 114 as well as the grooves of the inner surface 111 extend horizontally. The fictitious axis of the bearing 111 also extends horizontally. The open axial ends of the bearing 11 are located on the horizontal axis, while the lateral or radial opening 112 is oriented slightly downwards as can be seen in FIG. 1. The edge 113 is located higher than the edge 114.

Le palier 11 forme également un canal traversant 115 qui s'étend parallèlement aux cannelures de la portée interne 111. Ce canal traversant 115 peut être ouvert sur toute sa longueur de manière à communiquer directement avec le logement interne 110. Le canal 115 s'étend entre les deux extrémités axiales ouvertes du palier 11.The bearing 11 also forms a through channel 115 which extends parallel to the splines of the internal span 111. This through channel 115 can be open along its entire length so as to communicate directly with the inner housing 110. The channel 115 extends between the two open axial ends of the bearing 11.

L'élément de support de lames 2, représenté sur la figure 1 et sur la figure 3 dans une variante de réalisation, comprend un arbre 2 et des moyens de réception de lames 23. Ces moyens de réception 23 peuvent se présenter sous la forme d'une fourche à deux branches 231 et 232. Sur la figure 1, les deux branches sont identiques et symétriques par une symétrie miroir, alors que sur la figure 3, la branche supérieure 231 est plus grande que la branche inférieure 232. Il ne s'agit là que de variantes de réalisation sans influence sur le principe de la présente invention. Les branches 231 et 232 forment entre elles un logement de réception 230 destiné à recevoir une lame 3 par un de ses deux bords longitudinaux, comme on peut le voir sur la figure 1. Au moins une branche, et de préférence les deux branches, sont pourvues de trous de passage de vis 236 destinés à recevoir des vis 6 vissées dans la lame 3, comme visible sur la figure 1. Le profil interne du logement de réception 230 est avantageusement identique au profil externe de la lame 3. Ainsi, la lame peut s'adapter sensiblement sans jeu entre les deux branches 231 et 232 dans le logement de réception 230. La fourche de réception formée par les branches est reliée à l'arbre 21 par une section de liaison 22. Cette section de liaison 22 s'étend dans le prolongement de la jonction des deux branches 231 et 232. L'arbre 21 raccordé à la section 22 présente une portée externe 211 qui est pourvue de cannelures parallèles de taille et de forme complémentaires aux cannelures de la portée interne 111 du palier 11 de l'élément d'ancrage 1. La portée externe 212 définit un tronçon de cylindre circulaire cannelé hormis au niveau du raccordement à la section de liaison 22. Le diamètre du cylindre est légèrement inférieur au diamètre du cylindre formé par la portée interne 111 du palier 11, de sorte que l'arbre 21 peut s'adapter dans le logement interne 110 du palier 11 sensiblement sans jeu. Pour des questions de poids et de quantité de matière, l'arbre 21 définit intérieurement un volume creux 210.The blade support element 2, shown in FIG. 1 and in FIG. 3 in an alternative embodiment, comprises a shaft 2 and blade receiving means 23. These receiving means 23 may be in the form of A fork with two branches 231 and 232. In Figure 1, the two branches are identical and symmetrical by mirror symmetry, while in Figure 3, the upper branch 231 is larger than the lower branch 232. It is not There are only alternative embodiments without influence on the principle of the present invention. The branches 231 and 232 form between them a receiving housing 230 intended to receive a blade 3 by one of its two longitudinal edges, as can be seen in FIG. 1. At least one branch, and preferably the two branches, are provided with screw holes 236 for receiving screws 6 screwed into the blade 3, as can be seen in FIG. 1. The internal profile of the receiving housing 230 is advantageously identical to the external profile of the blade 3. Thus, the blade can adapt substantially without play between the two branches 231 and 232 in the receiving housing 230. The receiving fork formed by the branches is connected to the shaft 21 by a connecting section 22. This connecting section 22 s' extends in the extension of the junction of the two branches 231 and 232. The shaft 21 connected to the section 22 has an outer surface 211 which is provided with parallel grooves of size and of complementary shape to the splines of the internal bearing surface 111 of the bearing 11 of the anchoring element 1. The outer bearing surface 212 defines a fluted circular cylinder section except at the connection to the connecting section 22. The diameter of the cylinder is slightly smaller than the diameter of the cylinder formed by the internal bearing 111 of the bearing 11, so that the shaft 21 can fit into the inner housing 110 of the bearing 11 substantially without play. For questions of weight and quantity of material , the shaft 21 internally defines a hollow volume 210.

Etant donné que le logement interne 110 du palier 11 est accessible par ses deux extrémités axiales, l'arbre 21 peut être engagé par une de ses deux extrémités axiales par un mouvement translatif axial horizontal à l'intérieur du palier 11. L'insertion de l'arbre 21 dans le palier 11 n'est cependant possible que si les cannelures de la portée externe 211 peuvent s'imbriquer dans les cannelures de la portée interne 111. Dès que les cannelures sont alignées de manière imbriquable, l'arbre 21 peut être glissé axialement à l'intérieur du palier 11. Etant donné que le logement interne 110 du palier 11 est ouvert à ses deux extrémités axiales, l'arbre 21 peut être engagé par une extrémité et extrait par l'autre extrémité. De ce fait, chaque extrémité axiale définit un passage d'accès ou de sortie pour l'arbre 21 de l'élément de support de lames 2. Une autre condition à l'engagement de l'arbre 21 dans le palier 11 est que la section de liaison 22 de l'élément de support de lames 2 soit disposée et orientée de telle sorte qu'elle puisse venir se loger dans l'ouverture radiale 112 du logement interne 110. En d'autres termes, lors de l'engagement axial de l'arbre 21 dans le palier 11 par une de ses deux extrémités ouvertes d'accès, l'élément de support de lames doit présenter une orientation angulaire telle que la section de la liaison 22 puisse venir se loger entre les deux bords opposés 113 et 114 définissant l'ouverture de passage rétréci à l'intérieur du logement interne 110. Sur la figure 1, l'arbre cannelé 21 a été introduit dans le palier cannelé 11 avec la section de liaison 22 en contact du bord supérieur 113. On comprendra aisément à partir de la figure 1 que l'arbre 21 peut également être inséré dans le palier 11 avec la section de liaison 22 en butée contre le bord inférieur 114. Dans l'exemple utilisé pour illustrer la présente invention et représenté sur les dessins, les cannelures sont espacées angulairement de 15°. En se référant à la figure 1, on peut compter le nombre de cannelures disposées dans l'ouverture radiale 112, c'est-à-dire les cannelures formées par l'arbre 21 qui sont situées entre la section de liaison 22 et le bord inférieur 114. Ces cannelures sont au nombre de cinq. Par conséquent, la section de liaison 22 peut être disposée angulairement dans l'ouverture 112 dans six positions angulaires différentes espacées de 15°, soit 0, 15, 30, 45, 60 et 75°. Ainsi, la largeur de l'ouverture 112 entre les bords 113 et 114 ainsi que l'épaisseur de la section de liaison 22 déterminent l'amplitude de débattement angulaire de la section de liaison 22, et de ce fait des moyens de réception de lames 23. Dans le cas présent, les moyens de réception 23 dans lesquels est engagée la lame 3 peuvent être disposés avec un degré d'inclinaison correspondant à un domaine angulaire de 75° par pas de 15°. Etant donné que la lame 3 sur la figure 1 s'étend sensiblement horizontalement, et que la section de liaison 22 est en butée contre le bord supérieur 113, l'autre position angulaire opposée extrême correspond à la butée de la section de la liaison 22 contre le bord inférieur 14. La lame 3 est alors orientée fortement vers le bas avec un angle de 75° par rapport à l'horizontal.Since the inner housing 110 of the bearing 11 is accessible by its two axial ends, the shaft 21 can be engaged by one of its two axial ends by a horizontal axial translational movement inside the bearing 11. The insertion of the shaft 21 in the bearing 11 is however only possible if the grooves of the outer bearing 211 can be interlocked in the grooves of the internal bearing 111. As soon as the splines are nested in an interlocking manner, the shaft 21 can The internal housing 110 of the bearing 11 is open at its two axial ends, the shaft 21 can be engaged by one end and extracted by the other end. Therefore, each axial end defines an access or outlet passage for the shaft 21 of the blade support member 2. Another condition for the engagement of the shaft 21 in the bearing 11 is that the connecting section 22 of the blade support member 2 is arranged and oriented so that it can be housed in the radial opening 112 of the inner housing 110. In other words, during the axial engagement of the shaft 21 in the bearing 11 by one of its two open access ends, the blade support member must have an angular orientation such that the section of the connection 22 can be housed between the two opposite edges 113 and 114 defining the tapered passage opening within the inner housing 110. In Fig. 1, the splined shaft 21 has been introduced into the splined bearing 11 with the connecting section 22 in contact with the upper edge 113. On will understand easily from Figure 1 that the tree 21 can also be inserted into the bearing 11 with the connecting section 22 abutting against the lower edge 114. In the example used for illustrate the present invention and shown in the drawings, the flutes are angularly spaced 15 °. With reference to FIG. 1, it is possible to count the number of grooves disposed in the radial opening 112, that is to say the splines formed by the shaft 21 which are situated between the connecting section 22 and the edge 114. These flutes are five in number. Therefore, the connecting section 22 may be angularly disposed in the opening 112 in six different angular positions spaced 15 °, that is 0, 15, 30, 45, 60 and 75 °. Thus, the width of the opening 112 between the edges 113 and 114 as well as the thickness of the connecting section 22 determine the amplitude of angular displacement of the connecting section 22, and thus of the blade receiving means 23. In this case, the receiving means 23 in which the blade 3 is engaged can be arranged with a degree of inclination corresponding to an angular range of 75 ° in steps of 15 °. Since the blade 3 in Figure 1 extends substantially horizontally, and the connecting section 22 abuts against the upper edge 113, the other extreme opposite angular position corresponds to the abutment of the section of the link 22 against the lower edge 14. The blade 3 is then oriented strongly downward with an angle of 75 ° relative to the horizontal.

Les cannelures complémentaires des portées du palier et de l'arbre constituent ainsi des moyens de blocage en rotation sans déformation, ni du palier 11, ni de l'arbre 21. De plus, étant donné que l'arbre 21 peut être engagé dans le palier 11 avec une des six positions angulaires prédéterminées allant de 0 à 75° avec un pas de 15°, les cannelures complémentaires procurent également une fonction d'indexation en plus de celle de blocage en rotation. Il faut à nouveau préciser que des cannelures complémentaires ne sont pas les seuls moyens de réaliser un blocage en rotation indexé. Des portées complémentaires polygonales sont envisageables. Un polygone régulier à 24 faces permet également d'obtenir une indexation avec un pas angulaire de 15°.The complementary grooves of the bearings of the bearing and of the shaft thus constitute rotational locking means without deformation, neither of the bearing 11, nor of the shaft 21. Moreover, since the shaft 21 can be engaged in the Bearing 11 with one of six predetermined angular positions ranging from 0 to 75 ° with a pitch of 15 °, the complementary grooves also provide an indexing function in addition to that of rotational locking. It must again be pointed out that complementary splines are not the only means of making an indexed rotation lock. Polygonal complementary spans are conceivable. A regular 24-sided polygon also provides indexing with an angular pitch of 15 °.

Etant donné que l'ouverture radiale 112 offre un accès réduit à l'intérieur du logement 110 et que le palier 11 et l'arbre 21 sont indéformables, il est impossible que l'arbre 21 puisse se désengager du palier 11 à travers l'ouverture radiale 112. De plus, les cannelures complémentaires imbriquées augmentent encore davantage la cohérence et la résistance de la fixation de l'arbre 21 à l'intérieur du palier 11. La seule possibilité pour l'arbre 21 de se désengager du palier 11 est de coulisser axialement dans le palier vers une de ces deux extrémités d'accès ou de sortie. Pour empêcher toute extraction accidentelle ou involontaire de l'arbre 21 hors du palier 11, une vis à tête 5 peut être vissée dans le canal traversant 115 du palier 11 à chacune des extrémités ouvertures d'accès ou de sortie du palier 11. La tête de la vis 5 vient se positionner en recouvrement d'au moins une des cannelures de l'arbre 21. Avec une vis 5 au niveau de chaque extrémité ouverte d'accès du palier 11, l'arbre 21 est définitivement verrouillé en position à l'intérieur du palier 11. Par conséquent, la ou les vis 5 en association avec le canal traversant 115 forment des moyens de verrouillage pour l'arbre 21 à l'intérieur du palier 11.Since the radial opening 112 provides reduced access to the interior of the housing 110 and the bearing 11 and the shaft 21 are dimensionally stable, it is impossible for the shaft 21 to disengage from the bearing 11 through the housing. opening In addition, the nested complementary grooves further increase the consistency and resistance of the fixing of the shaft 21 inside the bearing 11. The only possibility for the shaft 21 to disengage the bearing 11 is to slide axially in the bearing towards one of these two access or exit ends. To prevent any accidental or unintentional extraction of the shaft 21 from the bearing 11, a screw head 5 can be screwed into the through channel 115 of the bearing 11 at each end of the access or exit openings of the bearing 11. The head the screw 5 is positioned in overlapping of at least one of the splines of the shaft 21. With a screw 5 at each open access end of the bearing 11, the shaft 21 is permanently locked in position at the Accordingly, the at least one screw 5 in association with the through channel 115 form locking means for the shaft 21 within the bearing 11.

Le verrouillage de l'élément de support à l'aide des vis 5 pour des lames de grande longueur sujettes à des phénomènes de dilatation thermique est de préférence uniquement effectué au niveau du milieu des lames. En effet, ces grandes lames sont maintenues par plusieurs éléments de support, par exemple tous les mètres ou tous les deux mètres. Dans ce cas, seul l'élément ou les deux éléments de support centraux seront verrouillés, alors que les autres éléments de support sont libres de coulisser avec leur arbre dans leurs paliers respectifs. La lame peut ainsi se dilater à ses deux extrémités en étant maintenue au milieu. Il faut noter que ce verrouillage est réalisé à l'aide de deux simples vis montées sur des éléments de support qui sont identiques à ceux non verrouillés.Locking of the support member with screws 5 for long blades subject to thermal expansion phenomena is preferably only performed at the center of the blades. Indeed, these large blades are held by several support elements, for example every meter or every two meters. In this case, only the element or the two central support elements will be locked, while the other support elements are free to slide with their shaft in their respective bearings. The blade can thus expand at both ends by being held in the middle. It should be noted that this locking is achieved by means of two simple screws mounted on support elements which are identical to those not locked.

Lors du montage d'un tel système de fixation de lames pour réaliser par exemple un parement de façade, l'opérateur chargé du montage fixe d'abord tous les élément d'ancrage 1 sur la structure de support 4. Ensuite, en fonction des instructions quant au degré d'inclinaison des lames, l'opérateur introduit dans chaque logement de palier un arbre d'élément de support de lames associé. Il suffira à l'opérateur de compter le nombre de cannelures situées dans l'ouverture 112 du logement 110 pour déterminer avec précision le degré d'inclinaison souhaité. Une fois tous les arbres engagés dans les paliers, il suffit à l'opérateur de mettre en place les vis de verrouillage 5. Ensuite, les lames peuvent être introduites dans les logements 230 des moyens de réception 23 formés par les éléments de support de lames. Une dernière opération consiste à mettre en place les vis 6 pour fixer les lames dans le logement 230.When mounting such a blade attachment system for example to make a facade facing, the operator responsible for mounting first fixes all the anchoring element 1 on the support structure 4. Then, depending on the instructions as to the degree of inclination of the blades, the operator introduces into each bearing housing an associated blade support member shaft. It will be sufficient for the operator to count the number of grooves in the opening 112 of the housing 110 to accurately determine the desired degree of inclination. Once all the trees are engaged in the bearings, it is sufficient for the operator 5. The blades can then be inserted into the housings 230 of the receiving means 23 formed by the blade support elements. A last operation is to put in place the screws 6 to fix the blades in the housing 230.

Sur la figure 1, l'élément d'ancrage est fixé à la structure de support avec l'ouverture radiale orientée vers le bras. Il est toutefois également possible de fixer l'élément d'ancrage avec l'ouverture orientée vers le haut, c'est-à-dire tourné de 180°.In Figure 1, the anchoring element is attached to the support structure with the radial opening facing the arm. However, it is also possible to fix the anchoring element with the opening oriented upwards, that is to say turned 180 °.

Grâce au système de fixation de lames selon l'invention, il est possible de faire varier le degré d'inclinaison des lames par rapport à la structure de support sans réaliser d'autre opération de montage que celle de fixation de l'élément de support de lames sur l'élément d'ancrage. De plus, la fixation entre l'élément d'ancrage et l'élément de support de lames est très résistante et indéformable.With the blade attachment system according to the invention, it is possible to vary the degree of inclination of the blades relative to the support structure without performing any other mounting operation than that of fixing the support member of blades on the anchor element. In addition, the attachment between the anchoring element and the blade support member is very strong and dimensionally stable.

Claims (12)

  1. A fastener system for fastening slats, the system comprising:
    · at least one anchor element (1) for fastening to a support structure (4), said element forming a bearing (11);
    · at least one slat support element (2) comprising slat-receiver means (23) for receiving a slat (3), said support element (2) forming a shaft (21) engaged in the bearing (11) of the anchor element (1), the receiver means (23), and consequently also the slat (3) received in said means, presenting a degree of inclination that is determined relative to the support structure (4) as a function of the angular orientation of the shaft (21) in the bearing (11); and
    · blocking means (111, 211) for blocking the angular orientation of the shaft (21) in the bearing (11) so as to set the degree of inclination of the slat (3) relative to the support structure (4);
    and in which the bearing (11) includes at least one axial access passage whereby the shaft (21) is axially engagable in the bearing.
  2. A fastener system according to claim 1, in which the bearing (11) has an axial access passage at each of its axial ends, such that the shaft is axially engagable via both ends of the bearing.
  3. A fastener system according to claim 1 or claim 2, in which the bearing and the shaft are not deformed by engaging the shaft in the bearing.
  4. A fastener system according to claim 1, 2, or 3, in which the shaft (21) is received removably in the bearing (11) so as to make it possible to extract it and reinsert it in the bearing at a different angular orientation.
  5. A fastener system according to claim 4, in which the blocking means (111, 211) set the angular orientation of the shaft (21) in the bearing (11) on engaging the shaft in the bearing.
  6. A fastener system according to any preceding claim, in which the bearing (11) forms an internal bearing surface (111) and the shaft (21) forms an external bearing surface (211) for engaging with the internal bearing surface of the bearing, the blocking means being provided in the respective bearing surfaces of the bearing and of the shaft.
  7. A fastener system according to claim 6, in which the bearing surfaces (111, 211) present respective engagement sections suitable for blocking rotation between the shaft and the bearing.
  8. A fastener system according to claim 6, in which the bearing surfaces (111, 211) present complementary fluting.
  9. A fastener system according to any preceding claim, in which the bearing (11) forms a radial opening (112) defining the angle over which the shaft (21) can be disposed in the bearing.
  10. A fastener system according to any preceding claim, in which the anchor element (1) includes locking means (115, 5) suitable for preventing the shaft (21) from being withdrawn from the bearing.
  11. A fastener system according to any preceding claim, in which the anchor element (1) and/or the support element (2) is made by extruding metal.
  12. Facade cladding including a slat fastener system according to any preceding claim.
EP04291017A 2003-04-23 2004-04-16 Fixation system for lamellae and facade comprising such a system Expired - Lifetime EP1471207B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0304948 2003-04-23
FR0304948A FR2854184B1 (en) 2003-04-23 2003-04-23 SYSTEM FOR FASTENING BLADES AND FACADE PARTS COMPRISING SUCH A SYSTEM

Publications (2)

Publication Number Publication Date
EP1471207A1 EP1471207A1 (en) 2004-10-27
EP1471207B1 true EP1471207B1 (en) 2006-11-22

Family

ID=32947358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04291017A Expired - Lifetime EP1471207B1 (en) 2003-04-23 2004-04-16 Fixation system for lamellae and facade comprising such a system

Country Status (6)

Country Link
EP (1) EP1471207B1 (en)
AT (1) ATE346216T1 (en)
DE (1) DE602004003281T2 (en)
ES (1) ES2275190T3 (en)
FR (1) FR2854184B1 (en)
PT (1) PT1471207E (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006005238A1 (en) * 2006-02-06 2007-08-16 Hydro Building Systems Gmbh Slat arrangement for building facades and the like
DE102006005239A1 (en) * 2006-02-06 2007-08-16 Hydro Building Systems Gmbh Slat arrangement for facades
CN104878886B (en) * 2015-05-28 2017-04-26 广州江河幕墙系统工程有限公司 Outer sunshade device of point-supported-type glass curtain wall and installation method thereof
CN104879053B (en) * 2015-06-05 2017-01-11 上海科胜幕墙有限公司 Decorative louver
CN112982767B (en) * 2021-03-04 2022-12-02 中国建筑第八工程局有限公司 Combined aluminum plate curtain wall system capable of rotating at multiple angles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10009565A1 (en) * 2000-02-29 2001-08-30 Colt Internat Holdings Ag Baar Sun protection device
BE1014457A5 (en) * 2001-11-05 2003-10-07 Renson N V Protection device.

Also Published As

Publication number Publication date
ATE346216T1 (en) 2006-12-15
ES2275190T3 (en) 2007-06-01
DE602004003281D1 (en) 2007-01-04
PT1471207E (en) 2007-02-28
FR2854184B1 (en) 2006-12-01
EP1471207A1 (en) 2004-10-27
DE602004003281T2 (en) 2007-05-24
FR2854184A1 (en) 2004-10-29

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