EP1619346A1 - Set of interconnected lamellae and roller shutter made thereof - Google Patents
Set of interconnected lamellae and roller shutter made thereof Download PDFInfo
- Publication number
- EP1619346A1 EP1619346A1 EP05370018A EP05370018A EP1619346A1 EP 1619346 A1 EP1619346 A1 EP 1619346A1 EP 05370018 A EP05370018 A EP 05370018A EP 05370018 A EP05370018 A EP 05370018A EP 1619346 A1 EP1619346 A1 EP 1619346A1
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- EP
- European Patent Office
- Prior art keywords
- blades
- apron
- blade
- deck
- groove
- 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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/06—Safety devices; Coverings for baths
- E04H4/08—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements
- E04H4/082—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements composed of flexibly or hingedly-connected slat-like elements, which may or may not be wound-up on a fixed axis
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
Definitions
- the invention relates to the locking means of a rolling shutter apron in the deployed position.
- Roller shutter here designates the aprons that can be unwound and wound, of the type of those formed by articulated blades, or even type metal grids or equivalent.
- these aprons are vertically erased by winding around a tree contained in a box disposed above a bay, under or behind the lintel.
- the erasing of the apron may be substantially horizontal.
- these aprons When these aprons are formed by the assembly of articulated blades, these blades are usually made of wood, metal alloy, or polymer material such as PVC, optionally with internal insulation, thermal and sound, foam.
- PVC polymer material
- the most current model is formed of self-supporting laminated aluminum alloy thin blades stabilized by foam filling foam and hardened at the end of profiling (see for example US-4,723,588).
- Such aprons can have various functions such as including sealing, partial occlusion, decoration, protection of the doors against the weather or break-ins.
- Such aprons can also be used for the creation of temporary partitions.
- the invention relates in particular, but not exclusively, to the technical field of motorized roller shutters.
- motorized roller shutter means here facilities comprising a housing called box, trunk or housing, defining a space in which the shutter is wound or unwind around an axis driven by an electrically controlled motor.
- the shutter boxes known in the prior art are essentially of two types.
- the box is a tubular body made by assembling longitudinal profiles of wood, polymeric material or metal alloy, the ends of this tubular body being closed by end caps or axle and mechanism support and aesthetic covers.
- These boxes are most often square or rectangular section.
- the box is a generally gutter-shaped piece made mostly of terracotta, extruded hollow brick, concrete, expanded polystyrene or other polymeric material, made of wood fiber and cement material or else in the form of an extruded profile or a section obtained by molding.
- the final volume of the box is then delimited by the establishment on the gutter-shaped piece, a possible underside and side parts called cheeks, or even shutter caps, protective covers, end caps, covers, consoles, flanges, these side parts having a closing function and optionally winding drum shaft support.
- the channel has a symmetrical U shape (FR 2 773 584, FR 2 736 677, FR 2 760 486, EP 670 411).
- Such boxes may be at least partly placed in a reservation in the lintel of the bay to be provided with a shutter. The weight of the box can then be returned to the jambs or piers. In renovation, such boxes can be installed outdoor or indoor.
- Coatings internal to the box can limit heat exchange or noise.
- roller shutter apron blocking means in the deployed position have the function of preventing the return to the apron casing, under the action of a thrust exerted directly on this apron, for example for an attempted burglary, the normal rise of this apron remaining of course possible, by actuating an operating device such as winch, strap, or electric motor.
- the articulated deck blades are simply guided by U-shaped lateral slides fixed on the carpenter's taps or on the sides of the masonry structure. end of the slides that can be equipped with a guide added blades (often called "tulip") forming a kind of guide funnel.
- tulip guide added blades
- said means of self-locking or anti-raising or sometimes still lock, anti-lifting it is possible to move the blades in the wings and tulips, lifting by hand or using a tool the apron that then enters the box. The break-in is then facilitated.
- the rolling shutter apron locking devices comprise fasteners of the deck to the winding shaft, fasteners which deploy when the deck has completed its descent, and then form rigid levers which are bridged between the tube winding and the top of the deck which is then at a lower level than that of the winding tube. These fasteners can then also serve as end of stroke, the blocking effect affecting the motor control.
- the fastener comprises a plate, possibly in the form of a spring steel blade, or else in the form of a bent steel shell, this plate being mounted on the winding shaft, in particular mounted on rotation, this plate being furthermore fixed, in particular mounted in rotation, on the extreme high blade of the rolling shutter apron.
- EP-1 336 717 EP-1 267 031, EP-1 267 030, EP-1 213 436, EP-1 167 680, EP-1 111 185, EP-0 743 420, EP-0 684 362, EP-0 158 268, FR-2 816 299, FR-2 816 349, FR-2 609 095, FR-2 585 758, FR-2 565 285; , FR-2,487,422, US-5,613,539, US-5,443,107, US-5,070,925.
- the fastener comprises two elements, one attached to the winding drum and the other articulated on the upper blade of the deck, the two elements themselves being hinged together in the manner of a hinge, a spring being optionally provided between these two elements.
- the device comprises more than two blades articulated to each other, so as to form an assembly whose one end is fixed to the upper blade of the deck, the other end being fixed to the winding shaft .
- the invention relates, in a first aspect, to a set of two articulated rolling shutter apron blades, one of the blades comprising a groove in which the second blade is articulated, this assembly comprising elastic means opposing the movement of articulation of the blades beyond a position in which the two blades are substantially coplanar.
- the invention relates, in a second aspect, to a rolling shutter apron, comprising at least one assembly as presented above.
- the elastic means are placed in the central part of the deck, particularly at a distance from the side edges of the deck.
- the invention relates, in a third aspect, to a roller shutter comprising an apron as shown above, or comprising a set of blades as presented above.
- the height of its blades is of the order of a few centimeters
- the elastic means being formed by strips of spring steel housed in the upper blade plate joints, these spring steel strips being in look at a main wall of the deck, a few millimeters high.
- At least a portion of its blades, in particular its upper blades, are formed by extrusion or folding edge to edge on a metal alloy sheet, or else insertion, co-extrusion, overmolding.
- At least a portion of its blades, including its upper blades, are filled with a sound and / or thermal insulation, and / or mechanical reinforcement.
- blades 1.2 shutter apron are shown. These blades 1,2 are of known structure and therefore will not be described in detail here. These are blades comprising a thin wall 3 of aluminum alloy, an extreme edge 4 of this wall being folded so as to pinch the other extreme edge 5 of this wall 3.
- the blades 1.2 are each provided with a hook 6 coming to be housed in a complementary groove 7, the hook being formed by the fold edge to edge of the wall 3, the bottom wall of the groove 7 being defined by a substantially U-shaped curvature of the wall 3.
- the inner space 8 of each blade is filled, conventionally, with a foam providing thermal and / or sound protection and reinforcing the rigidity of the blades 1,2.
- the thickness of the wall 3 is for example of the order of half a millimeter.
- a band of elastic material 9 is housed in the groove 7 of a first blade 1 of the rolling shutter apron, this band 9 protruding beyond said groove 7 to face the wall 3 of a second blade 2, the first and second blade being hinged to each other by the hook / groove of type known per se.
- this strip 9 is pressed against the bottom wall 10 of the groove 7 of the first blade 1 and is pressed, out of this groove 7, against the wall 3 of the second blade 2.
- the band 9 is provided with a hemmed or blunt edge 9a, to avoid injuries to the operator during installation (the edge of the band 9 is not sharp) and promoting the sliding of the band 9 against the wall 3 of the shutter blade.
- first blade and second blade are not used here with reference to the two upper blades of the shutter apron.
- the Applicant has found that an anti-raising effect of the apron in extreme deployed position is obtained when bands such as references 9 are placed in at least one of the joints of the upper blades of the deck, but that anti-lift effect is increased when strips 9 are placed in two or more joints, typically in the first three upper joints of the deck, that is to say in the joints of the first four upper deck blades upstream of the entrance of the slides.
- the strips block the bending movement of the apron blades, during an attempt to lift the apron, for example for burglary. Indeed, the bending forces of the articulation of the blades according to the arrows F of FIG. 1 are absorbed by the elastic deformation of the strips 9.
- the strips 9 are made of spring steel, and of thickness of the order of a few tenths of a millimeter.
- the strips extend over part or all of the width of the deck. In an advantageous embodiment, these strips extend over a portion of the width of the apron, substantially midway from its lateral edges. It is thus possible to cut the deck, in its box, to adapt to the width of the opening to be equipped.
- the upper blades of the deck are provided with a spout or an elastic projection functionally fulfilling the role of the band 9 previously described. This embodiment avoids the introduction of elastic parts 9 in the joints of the shutter blades.
- FIG 3 is shown in section an apron provided with blades according to the invention.
- a slide 11 and the winding drum 12 are schematized.
- the curve that takes the upper part 13 of the apron, between the drum 12 and the slides 11, is regular, without breaking the radius of curvature, thus ensuring a regular distribution of mechanical forces.
- the three upper joints 14a, 14b, 14c, between the four upper blades of the deck, are provided with elastic means such as those described with reference to Figures 1 and 2.
- These four blades are those which extend, without lateral guidance, between the top of the slides 11 (for example beyond the tulips) and the winding drum 12.
- the hooking means of the deck on the drum 12 are not shown: as has been said previously, the implementation of the invention does not imply to modify the fastening of the deck to the drum 12 , which can remain conventional.
- the device that has just been presented offers many advantages over existing ones.
- the device according to the invention makes it possible to dispense with these fasteners, the anti-raising function being somehow integrated into apron.
- the device also allows a limit stop stop.
- the motor by unwinding the deck, pushes the apron blades which, at the end of the race, are braced and then self-lock thanks to the elastic means such as for example spring steel blade or pins of the blades of the apron.
- the device does not require modifying the structure of the deck.
- the device according to the invention is kept invisible from the outside, when the elastic bands are placed in the joints of the upper blades of the deck, which remain in the casing of the shutter, especially when the deck is fixed directly on the winding shaft, without intermediate locking fastener.
- the device according to the invention is inexpensive in terms of material cost and does not require a complete change in the manufacturing mode of the apron blades.
- the device is robust, and in particular insensitive to fatigue, especially when the elastic bands are made of spring steel.
- the Applicant has also found that the curvature of the upper part of the shutter apron, especially when the apron is in its extreme deployed position approached an ideal curve: the curvature of the deck is regular, in the space where the apron is no longer guided by the backstage or the tulips.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Description
L'invention se rapporte aux moyens de blocage d'un tablier de volet roulant en position déployée.The invention relates to the locking means of a rolling shutter apron in the deployed position.
Par « volet roulant », on désigne ici les tabliers pouvant être déroulés et enroulés, du type de ceux formés par des lames articulées, ou bien encore de type grilles métalliques ou équivalents."Roller shutter" here designates the aprons that can be unwound and wound, of the type of those formed by articulated blades, or even type metal grids or equivalent.
Le plus souvent, ces tabliers sont à effacement vertical par enroulement autour d'un arbre contenu dans un caisson disposé au dessus d'une baie, sous ou derrière le linteau.Most often, these aprons are vertically erased by winding around a tree contained in a box disposed above a bay, under or behind the lintel.
Dans certaines applications, par exemple les rideaux de piscines, l'effacement du tablier peut être sensiblement horizontal.In some applications, for example pool curtains, the erasing of the apron may be substantially horizontal.
Lorsque ces tabliers sont formés par l'assemblage de lames articulées, ces lames sont le plus souvent en bois, en alliage métallique, ou en matériau polymère tel que PVC, le cas échéant à isolant interne, thermique et phonique, en mousse. Le modèle le plus courant actuellement est formé de lames auto porteuse en alliage d'aluminium laminé de faible épaisseur stabilisées par remplissage de mousse expansée et durcie en fin de profilage (voir par exemple US-4 723 588).When these aprons are formed by the assembly of articulated blades, these blades are usually made of wood, metal alloy, or polymer material such as PVC, optionally with internal insulation, thermal and sound, foam. The most current model is formed of self-supporting laminated aluminum alloy thin blades stabilized by foam filling foam and hardened at the end of profiling (see for example US-4,723,588).
De tels tabliers peuvent avoir diverses fonctions telles que notamment l'obturation, l'occultation partielle, la décoration, la protection des ouvrants contre les intempéries ou les effractions.Such aprons can have various functions such as including sealing, partial occlusion, decoration, protection of the doors against the weather or break-ins.
De tels tabliers peuvent également être employés pour la création de cloisons temporaires.Such aprons can also be used for the creation of temporary partitions.
L'invention concerne notamment, mais non exclusivement, le domaine technique des volets roulants motorisés.The invention relates in particular, but not exclusively, to the technical field of motorized roller shutters.
Par « volet roulant motorisé » on désigne ici des installations comprenant un logement appelé caisson, coffre ou carter, délimitant un espace dans lequel le volet vient s'enrouler ou se dérouler autour d'un axe entraîné par un moteur à commande électrique.By "motorized roller shutter" means here facilities comprising a housing called box, trunk or housing, defining a space in which the shutter is wound or unwind around an axis driven by an electrically controlled motor.
Les caissons de volets roulants connus dans l'art antérieur sont essentiellement de deux types.The shutter boxes known in the prior art are essentially of two types.
Dans un premier type, le caisson est un corps tubulaire réalisé par assemblage de profilés longitudinaux en bois, matériau polymère ou alliage métallique, les extrémités de ce corps tubulaire étant fermées par des embouts ou couvercles support d'axe et de mécanisme et esthétiques. Ces caissons sont le plus souvent de section carrée ou rectangulaire. Positionnés au dessus de la menuiserie d'une baie, entre le niveau de la traverse supérieure du dormant de l'huisserie et le niveau du plafond, ces caissons sont le plus souvent destinés à un enroulement du tablier vers l'intérieur.In a first type, the box is a tubular body made by assembling longitudinal profiles of wood, polymeric material or metal alloy, the ends of this tubular body being closed by end caps or axle and mechanism support and aesthetic covers. These boxes are most often square or rectangular section. Positioned above the joinery of a bay, between the level of the upper cross member of the frame frame and the level of the ceiling, these boxes are most often intended for a winding of the deck inwards.
Dans un deuxième type, le caisson est une pièce en forme générale de gouttière réalisée le plus souvent en terre cuite, en brique creuse extrudée, en béton, en polystyrène expansé ou autre matériau polymère, en matériau à base de fibres de bois et de ciment ou bien encore en forme d'un profilé extrudé ou d'un profilé obtenu par moulage. Le volume final du caisson est alors délimité par la mise en place sur la pièce en forme de gouttière, d'une sous face éventuelle et de pièces latérales dénommées joues, ou bien encore capots obturateurs, caches de protection, embouts, couvercles, consoles, flasques, ces pièces latérales ayant une fonction de fermeture et la cas échéant de support d'axe de tambour d'enroulement. Le plus souvent, la gouttière présente une forme de U symétrique (FR 2 773 584, FR 2 736 677, FR 2 760 486, EP 670 411). De tels caissons peuvent être au moins en partie placés dans une réservation ménagée dans le linteau de la baie devant être pourvue d'un volet roulant. Le poids du caisson peut alors être renvoyé vers les jambages ou les trumeaux. En rénovation, de tels caissons peuvent être posés en applique extérieure ou intérieure.In a second type, the box is a generally gutter-shaped piece made mostly of terracotta, extruded hollow brick, concrete, expanded polystyrene or other polymeric material, made of wood fiber and cement material or else in the form of an extruded profile or a section obtained by molding. The final volume of the box is then delimited by the establishment on the gutter-shaped piece, a possible underside and side parts called cheeks, or even shutter caps, protective covers, end caps, covers, consoles, flanges, these side parts having a closing function and optionally winding drum shaft support. Most often, the channel has a symmetrical U shape (
Des revêtements internes au caisson permettent de limiter les échanges thermiques ou les nuisances sonores.Coatings internal to the box can limit heat exchange or noise.
Les moyens de blocage de tablier de volet roulant en position déployée ont pour fonction d'empêcher la remontée dans le caisson du tablier, sous l'action d'une poussée exercée directement sur ce tablier, par exemple pour une tentative d'effraction, la remontée normale de ce tablier restant bien entendu possible, par actionnement d'un dispositif de manoeuvre tel que treuil, sangle, ou moteur électrique.The roller shutter apron blocking means in the deployed position have the function of preventing the return to the apron casing, under the action of a thrust exerted directly on this apron, for example for an attempted burglary, the normal rise of this apron remaining of course possible, by actuating an operating device such as winch, strap, or electric motor.
En effet, pour les volets roulants de baies (portes, fenêtres), les lames articulées du tablier sont simplement guidées par des coulisses latérales en forme de U fixées sur les tapées de la menuiserie ou sur les flancs de la structure de maçonnerie, l'extrémité des coulisses pouvant être équipée d'un guide lames rapporté (souvent dénommé « tulipe ») formant une sorte d'entonnoir de guidage. A défaut de dispositif de verrouillage ou de blocage du tablier en position déployée, dit moyen d'auto- blocage ou anti-relevage ou parfois encore verrou, anti-soulèvement, il est possible de déplacer les lames dans les coulisses et tulipes, en soulevant à la main ou à l'aide d'un outil le tablier qui rentre alors dans le caisson. L'effraction est alors facilitée.In fact, for roller blinds (doors, windows), the articulated deck blades are simply guided by U-shaped lateral slides fixed on the carpenter's taps or on the sides of the masonry structure. end of the slides that can be equipped with a guide added blades (often called "tulip") forming a kind of guide funnel. In the absence of locking or locking device of the apron in the deployed position, said means of self-locking or anti-raising or sometimes still lock, anti-lifting, it is possible to move the blades in the wings and tulips, lifting by hand or using a tool the apron that then enters the box. The break-in is then facilitated.
De même, pour les volets roulants de piscine, à défaut d'un dispositif de verrouillage, il est possible d'accéder au bassin, avec tous les risques qui en découlent.Similarly, for swimming pool shutters, in the absence of a locking device, it is possible to access the pool, with all the risks that ensue.
Conventionnellement, les dispositifs de blocage de tablier de volet roulant comportent des attaches du tablier à l'arbre d'enroulement, attaches qui se déploient lorsque le tablier a achevé sa descente, et forment alors leviers rigides qui s'arc-boutent entre le tube d'enroulement et le sommet du tablier qui se trouve alors à un niveau inférieur à celui du tube d'enroulement. Ces attaches peuvent alors servir aussi de fin de course, l'effet de blocage se répercutant sur la commande du moteur.Conventionally, the rolling shutter apron locking devices comprise fasteners of the deck to the winding shaft, fasteners which deploy when the deck has completed its descent, and then form rigid levers which are bridged between the tube winding and the top of the deck which is then at a lower level than that of the winding tube. These fasteners can then also serve as end of stroke, the blocking effect affecting the motor control.
On connaît déjà, dans l'art antérieur, une grande variété de ces attaches.Already known in the prior art, a wide variety of these fasteners.
Selon une première conception, l'attache comprend une plaque, le cas échéant en forme de lame en acier à ressort, ou bien encore en forme de coquille cintrée en acier, cette plaque étant montée sur l'arbre d'enroulement, notamment montée en rotation, cette plaque étant par ailleurs fixée, notamment montée en rotation, sur la lame extrême haute du tablier de volet roulant.According to a first design, the fastener comprises a plate, possibly in the form of a spring steel blade, or else in the form of a bent steel shell, this plate being mounted on the winding shaft, in particular mounted on rotation, this plate being furthermore fixed, in particular mounted in rotation, on the extreme high blade of the rolling shutter apron.
Pour cette première conception, on peut se référer, par exemple, aux documents suivants : EP-1 336 717, EP-1 267 031, EP-1 267 030, EP-1 213 436, EP-1 167 680, EP-1 111 185, EP-0 743 420, EP-0 684 362, EP-0 158 268, FR-2 816 299, FR-2 816 349, FR-2 609 095, FR-2 585 758, FR-2 565 285, FR-2 487 422, US-5 613 539, US-5 443 107, US-5 070 925.For this first design, reference may be made, for example, to the following documents: EP-1 336 717, EP-1 267 031, EP-1 267 030, EP-1 213 436, EP-1 167 680, EP-1 111 185, EP-0 743 420, EP-0 684 362, EP-0 158 268, FR-2 816 299, FR-2 816 349, FR-2 609 095, FR-2 585 758, FR-2 565 285; , FR-2,487,422, US-5,613,539, US-5,443,107, US-5,070,925.
Selon une deuxième conception, l'attache comprend deux éléments, l'un fixé au tambour d'enroulement et l'autre articulé sur la lame supérieure du tablier, les deux éléments étant eux-mêmes articulés entre eux à la manière d'une charnière, un ressort étant éventuellement prévu entre ces deux éléments.According to a second design, the fastener comprises two elements, one attached to the winding drum and the other articulated on the upper blade of the deck, the two elements themselves being hinged together in the manner of a hinge, a spring being optionally provided between these two elements.
Pour cette deuxième conception, on peut se reporter, par exemple, aux documents suivants : EP-0 869 255, FR-2 696 779, FR-2 487 422, FR-2 428 137, FR-2 420 640, GB-2 390 634.For this second design, reference may be made, for example, to the following documents: EP-0 869 255, FR-2 696 779, FR-2 487 422, FR-2 428 137, FR-2 420 640, GB-2 390,634.
Selon une troisième conception, le dispositif comprend plus de deux lames articulées les unes aux autres, de sorte à former un ensemble dont une première extrémité est fixée à la lame supérieure du tablier, l'autre extrémité étant fixée à l'arbre d'enroulement.According to a third design, the device comprises more than two blades articulated to each other, so as to form an assembly whose one end is fixed to the upper blade of the deck, the other end being fixed to the winding shaft .
Pour cette troisième conception, l'on peut se reporter, par exemple, aux documents suivants : EP-0 937 859, EP-0 889 194, EP-0 507 136, FR-2 831 596, FR-2 815 072, FR-2 808 556, FR-2 808 555, FR-2 778 692, FR-2 775 314, FR-2 720 100, FR-2 584 130, FR-2 375 426, US-4 217 945, DE-2 008 969.For this third design, reference may be made, for example, to the following documents: EP-0 937 859, EP-0 889 194, EP-0 507 136, FR-2 831 596, FR-2 815 072, FR -2,808,556, FR-2,808,555, FR-2,778,692, FR-2,775,314, FR-2,720,100, FR-2,584,130, FR-2,375,426, US-4,217,945, DE-2; 008 969.
On peut se référer également aux documents EP-1 028 224, EP-1 235 141, EP-0 716 213, FR-2 821 113.It is also possible to refer to the documents EP-1 028 224, EP-1 235 141, EP-0 716 213 and FR-2 821 113.
Les dispositifs d'attaches présentent de nombreux inconvénients :
- ils sont encombrants sur l'arbre d'enroulement, sauf à prévoir des réservations sur cet arbre. Or, en rénovation, le coffre vient souvent empiéter sur le clair de vitrage, et les lames de tablier ont déjà une hauteur de l'ordre de quatre à cinq centimètres, imposant déjà un diamètre de tube d'enroulement du même ordre ;
- ils comportent souvent un grand nombre de pièces et sont donc difficiles à assembler et coûteux à réaliser ;
- ils ne sont guère adaptables aux configurations exactes du volet roulant : il est courant que, lors du montage du caisson de volet roulant, l'utilisateur soit obligé d'enlever ou d'ajouter une lame du tablier afin d'ajuster sa hauteur en fonction de la distance réelle entre le linteau et la tablette de la fenêtre, de sorte que la distance entre la première lame du tablier et le tube d'enroulement n'est plus celle de l'optimum de fonctionnement de l'attache. Il est alors également possible que les lames supérieures du tablier soient placées dans le caisson, au-delà des glissières et tulipes, et qu'une poussée montante sur le tablier les fassent s'articuler entre elles fléchir, permettant de relever le tablier. Pour éviter ce bourrage par ondulation des lames, le document FR-2 765 911 mentionne l'utilisation de lames supérieures de tablier pourvues de crochets résistants, ce qui est coûteux. Le document FR-2 778 692 mentionne l'utilisation de lames supérieures de tablier de type métallique rigide, avec articulation résistant à la contre flexion, la variété des pas, épaisseurs, formes de crochets des lames de tabliers compliquant toutefois la mise en place de telles lames supérieures rigides, qui ne peuvent être standard ;
- l'arc-boutement de l'attache contre la paroi interne du caisson risque d'endommager les revêtements internes d'isolation thermique et/ou phonique, voire même le matériau du caisson lui-même ;
- chaque fabricant de volet roulant propose ses tubes d'enroulement, ses attaches et ses lames de tabliers, et les modèles de tubes, d'attaches et lames ne sont pas nécessairement compatibles entre eux.
- they are bulky on the winding shaft, except to provide reservations on this tree. Now, in renovation, the trunk often encroaches on the clear glazing, and apron blades already have a height of the order of four to five centimeters, already imposing a winding tube diameter of the same order;
- they often have a large number of parts and are therefore difficult to assemble and expensive to produce;
- they are hardly adaptable to the exact configurations of the shutter: it is common that, when mounting the roller shutter box, the user is obliged to remove or add a deck blade to adjust its height based the actual distance between the lintel and the shelf of the window, so that the distance between the first deck blade and the winding tube is no longer that of the optimum operation of the fastener. It is then also possible that the upper blades of the deck are placed in the box, beyond the slides and tulips, and a rising thrust on the deck make them articulate between them flex, allowing to lift the apron. In order to avoid this corrugation of the blades, the document FR-2 765 911 mentions the use of upper apron blades provided with resistant hooks, which is expensive. Document FR-2 778 692 mentions the use of upper deck blades of the rigid metal type, with hinge resistant to counter bending, the variety of steps, thicknesses, hook shapes of apron blades complicating however the establishment of such rigid upper blades, which can not be standard;
- the bracing of the fastener against the inner wall of the box may damage the internal insulation and / or sound insulation, or even the material of the box itself;
- each roller shutter manufacturer offers its roll tubes, fasteners and apron blades, and tube, fastener and blade designs are not necessarily compatible with each other.
Le besoin ressentit depuis longtemps d'un dispositif de verrouillage efficace, simple à mettre en place, peu coûteux s'illustre par la grande variété des solutions proposées, aucune de ces solutions n'ayant donné pleine satisfaction à ce jour. En plus des solutions mentionnées auparavant, on peut citer encore, à titre d'exemple : les sangles reliant l'arbre d'enroulement et la première lame du tablier (FR-2 704 272), le galbe interne au caisson sur lequel le haut de tablier vient en appui (US-3 970 134), les systèmes d'échappements à rochet (FR-2 754 010).The need has long felt an effective locking device, easy to implement, inexpensive is illustrated by the wide variety of proposed solutions, none of these solutions has given full satisfaction to date. In addition to the solutions mentioned above, mention may also be made, for example: the straps connecting the winding shaft and the first deck blade (FR-2704272), the inner curve to the box on which the top apron comes support (US-3,970,134), the ratchet escapement systems (FR-2,754,010).
La demanderesse s'est attachée à apporter une solution nouvelle aux problèmes qui viennent d'être exposés.The plaintiff has endeavored to bring a new solution to the problems which have just been exposed.
A cette fin, l'invention se rapporte, selon un premier aspect, à un ensemble de deux lames articulées de tablier de volet roulant, une des lames comprenant une gorge dans laquelle vient s'articuler la deuxième lame, cet ensemble comprenant des moyens élastiques venant s'opposer au mouvement d'articulation des lames au-delà d'une position dans laquelle les deux lames sont sensiblement coplanaires.To this end, the invention relates, in a first aspect, to a set of two articulated rolling shutter apron blades, one of the blades comprising a groove in which the second blade is articulated, this assembly comprising elastic means opposing the movement of articulation of the blades beyond a position in which the two blades are substantially coplanar.
Selon diverses réalisations, cet ensemble présente les caractères suivants, le cas échéant combinés :
- les moyens_élastiques comprennent une bande élastique en partie logée dans la gorge de la première lame et venant en regard d'une paroi principale de la deuxième lame, au-delà de ladite gorge ;
- la bande élastique est plaquée contre la paroi interne de ladite gorge ;
- ladite bande élastique est en acier à ressort ou en matériau composite.
- the resilient means comprise an elastic band partly housed in the groove of the first blade and facing a main wall of the second blade, beyond said groove;
- the elastic band is pressed against the inner wall of said groove;
- said elastic band is made of spring steel or composite material.
L'invention se rapporte, selon un deuxième aspect, à un tablier de volet roulant, comprenant au moins un ensemble tel que présenté ci-dessus.The invention relates, in a second aspect, to a rolling shutter apron, comprising at least one assembly as presented above.
Dans une réalisation, les moyens élastiques sont placés en partie centrale du tablier, notamment à mi distance des bords latéraux du tablier.In one embodiment, the elastic means are placed in the central part of the deck, particularly at a distance from the side edges of the deck.
L'invention se rapporte, selon un troisième aspect, à un volet roulant comprenant un tablier tel que présenté ci dessus, ou comprenant un ensemble de lames tel que présenté ci dessus.The invention relates, in a third aspect, to a roller shutter comprising an apron as shown above, or comprising a set of blades as presented above.
Dans une réalisation, la hauteur de ses lames est de l'ordre de quelques centimètres, les moyens élastiques étant formés par des bandes d'acier à ressort logées dans les articulations de lames supérieures du tablier, ces bandes d'acier à ressort étant en regard d'une paroi principale du tablier, sur quelques millimètres de hauteur.In one embodiment, the height of its blades is of the order of a few centimeters, the elastic means being formed by strips of spring steel housed in the upper blade plate joints, these spring steel strips being in look at a main wall of the deck, a few millimeters high.
Dans une réalisation particulière, au moins une partie de ses lames, notamment ses lames supérieures, sont formées par extrusion ou repli bord à bord à bord d'une feuille d'alliage métallique, ou bien encore insertion, co-extrusion, surmoulage.In a particular embodiment, at least a portion of its blades, in particular its upper blades, are formed by extrusion or folding edge to edge on a metal alloy sheet, or else insertion, co-extrusion, overmolding.
Dans une autre réalisation particulière, au moins une partie de ses lames, notamment ses lames supérieures, sont remplies d'un isolant phonique et/ou thermique, et/ou d'un renfort mécanique.In another particular embodiment, at least a portion of its blades, including its upper blades, are filled with a sound and / or thermal insulation, and / or mechanical reinforcement.
D'autres objets et avantages de l'invention apparaîtront au cours de la description suivante de modes de réalisation, description qui va être effectuée en se référant aux dessins annexés dans lesquels :
- la figure 1 est une vue latérale ou en coupe transversale partielle de deux lames de tablier de volet roulant selon un mode de réalisation de l'invention;
- la figure 2 est une vue de détail de la figure ;
- la figure 3 est une vue schématique en coupe d'un tablier en position extrême déployée, l'emplacement des coulisses et du tambour d'enroulement étant schématisé.
- Figure 1 is a side view or partial cross section of two shutter deck blades according to one embodiment of the invention;
- Figure 2 is a detail view of the figure;
- Figure 3 is a schematic sectional view of an apron deployed extreme position, the location of the slides and the winding drum being schematized.
Sur les figures 1 et 2, deux lames 1,2 de tablier de volet roulant sont représentées. Ces lames 1,2 sont de structure connue en soi et ne seront donc pas décrites en détail ici. Il s'agit de lames comprenant une paroi 3 mince en alliage d'aluminium, un bord extrême 4 de cette paroi étant repliée de sorte à venir pincer l'autre bord extrême 5 de cette paroi 3. De manière connue en soi, les lames 1,2 sont ainsi pourvues chacune d'un crochet 6 venant apte à venir se loger dans une gorge 7 complémentaire, le crochet étant formée par le repli bord à bord de la paroi 3, la paroi de fond de la gorge 7 étant définie par une courbure sensiblement en U de la paroi 3. L'espace interne 8 de chaque lame est rempli, conventionnellement, d'une mousse assurant une protection thermique et/ou phonique et renforçant la rigidité des lames 1,2.In Figures 1 and 2, two blades 1.2 shutter apron are shown. These
L'épaisseur de la paroi 3 est par exemple de l'ordre de un demi millimètre.The thickness of the
Sur les figures, une bande en matériau élastique 9 est logée dans la gorge 7 d'une première lame 1 du tablier de volet roulant, cette bande 9 saillant au-delà de ladite gorge 7 pour venir en regard de la paroi 3 d'une deuxième lame 2, les première et deuxième lame étant articulées l'une à l'autre par le montant crochet/gorge de type connu en soi.In the figures, a band of
Plus précisément, dans la réalisation représentée, cette bande 9 vient se plaquer contre la paroi de fond 10 de la gorge 7 de la première lame 1 et vient se plaquer, hors de cette gorge 7, contre la paroi 3 de la deuxième lame 2.More specifically, in the embodiment shown, this
La bande 9 est pourvue d'un bord ourlé ou émoussé 9a, permettant d'éviter les blessures de l'opérateur lors de la pose (le bord de la bande 9 n'est pas tranchant) et favorisant le glissement de la bande 9 contre la paroi 3 de la lame de volet roulant.The
Les expressions « première lame », « deuxième lame » ne sont pas employées ici en référence aux deux lames supérieures du tablier de volet roulant. La demanderesse a constaté qu'un effet anti-relevage du tablier en position extrême déployée est obtenu dès lors que des bandes telles que références 9 sont placées dans au moins une des articulations des lames supérieures du tablier, mais que cet effet anti-relevage est accru lorsque des bandes 9 sont placées dans deux ou plus de deux articulations, typiquement dans les trois premières articulations hautes du tablier, c'est-à-dire dans les articulations des quatre premières lames supérieures du tablier en amont de l'entrée des glissières.The terms "first blade", "second blade" are not used here with reference to the two upper blades of the shutter apron. The Applicant has found that an anti-raising effect of the apron in extreme deployed position is obtained when bands such as
Les bandes viennent bloquer le mouvement de flexion des lames du tablier, lors d'une tentative de soulèvement du tablier, par exemple pour effraction. En effet, les efforts de flexion de l'articulation des lames selon les flèches F de la figure 1 sont absorbés par la déformation élastique des bandes 9.The strips block the bending movement of the apron blades, during an attempt to lift the apron, for example for burglary. Indeed, the bending forces of the articulation of the blades according to the arrows F of FIG. 1 are absorbed by the elastic deformation of the
Dans une réalisation, les bandes 9 sont en acier à ressort, et d'épaisseur de l'ordre de quelques dixièmes de millimètres.In one embodiment, the
Les bandes s'étendent sur une partie ou la totalité de la largeur du tablier. Dans une réalisation avantageuse, ces bandes s'étendent sur une partie de la largeur du tablier, sensiblement à mi distance de ses bords latéraux. Il est ainsi possible de découper le tablier, dans son caisson, pour l'adapter à la largeur de l'ouverture à équiper.The strips extend over part or all of the width of the deck. In an advantageous embodiment, these strips extend over a portion of the width of the apron, substantially midway from its lateral edges. It is thus possible to cut the deck, in its box, to adapt to the width of the opening to be equipped.
Dans une réalisation, non représentée, les lames supérieures du tablier sont pourvues d'un bec ou d'une saillie élastique remplissant fonctionnellement le rôle de la bande 9 décrite auparavant. Cette réalisation permet d'éviter la mise en place de pièces 9 élastiques dans les articulations des lames de volet.In one embodiment, not shown, the upper blades of the deck are provided with a spout or an elastic projection functionally fulfilling the role of the
Sur la figure 3, est représenté en coupe un tablier pourvu de lames selon l'invention. Sur cette figure 3, une coulisse 11 et le tambour d'enroulement 12 sont schématisés.In Figure 3, is shown in section an apron provided with blades according to the invention. In this Figure 3, a
Le galbe que prend la partie supérieure 13 du tablier, entre ce tambour 12 et les coulisses 11, est régulier, sans rupture du rayon de courbure, assurant ainsi une répartition régulière des efforts mécaniques.The curve that takes the
Les trois articulations supérieures 14a, 14b, 14c, entre les quatre lames supérieures du tablier, sont pourvues de moyens élastiques tels que ceux décrits en référence aux figures 1 et 2.The three
Ces quatre lames sont celles qui s'étendent, sans guidage latéral, entre le haut 15 des coulisses 11 (par exemple au-delà des tulipes) et le tambour d'enroulement 12.These four blades are those which extend, without lateral guidance, between the top of the slides 11 (for example beyond the tulips) and the winding
En figure 3, les moyens d'accrochage du tablier sur le tambour 12 ne sont pas représentés : ainsi qu'il a été dit précédemment, la mise en oeuvre de l'invention n'implique pas de modifier la fixation du tablier au tambour 12, qui peut rester de type conventionnel.In FIG. 3, the hooking means of the deck on the
Le dispositif qui vient d'être présenté offre de nombreux avantages par rapport à ceux existants.The device that has just been presented offers many advantages over existing ones.
En premier lieu, tout en étant compatible avec les attaches de verrouillages du commerce et avec les lames standard de tablier du commerce, le dispositif selon l'invention permet de se passer de ces attaches, la fonction anti-relevage étant en quelque sorte intégrée dans le tablier. Le dispositif permet également une butée de blocage fin de course. Le moteur, en déroulant le tablier, pousse les lames du tablier qui, en fin de course, s'arc-boutent puis s'auto-bloquent grâce aux moyens élastiques tels que par exemple lame d'acier à ressort ou ergots des lames du tablier.In the first place, while being compatible with the commercial lock fasteners and with the standard deck boards of the trade, the device according to the invention makes it possible to dispense with these fasteners, the anti-raising function being somehow integrated into apron. The device also allows a limit stop stop. The motor, by unwinding the deck, pushes the apron blades which, at the end of the race, are braced and then self-lock thanks to the elastic means such as for example spring steel blade or pins of the blades of the apron.
En deuxième lieu, lorsque les bandes élastiques 9 sont de faible épaisseur, le dispositif ne nécessite pas de modifier la structure du tablier.Secondly, when the
En troisième lieu, le dispositif selon l'invention est maintenu invisible depuis l'extérieur, lorsque les bandes élastiques sont placées dans les articulations des lames supérieures du tablier, qui restent dans le caisson du volet roulant, notamment lorsque le tablier est fixé directement sur l'arbre d'enroulement, sans attache de verrouillage intermédiaire.Third, the device according to the invention is kept invisible from the outside, when the elastic bands are placed in the joints of the upper blades of the deck, which remain in the casing of the shutter, especially when the deck is fixed directly on the winding shaft, without intermediate locking fastener.
En quatrième lieu, le dispositif selon l'invention est peu onéreux, pour ce qui est du coût matière et ne nécessite pas de changer complètement le mode fabrication des lames de tablier.Fourthly, the device according to the invention is inexpensive in terms of material cost and does not require a complete change in the manufacturing mode of the apron blades.
En cinquième lieu, la mise en place de bandes élastiques 9 en partie centrale du tablier, par exemple à mi largeur, permet de conserver le principe d'un volet roulant que l'on peut découper suivant ses besoins.Fifth, the establishment of
Enfin, le dispositif est robuste, et en particulier peu sensible à la fatigue, notamment lorsque les bandes élastiques sont en acier à ressort.Finally, the device is robust, and in particular insensitive to fatigue, especially when the elastic bands are made of spring steel.
La demanderesse a par ailleurs constaté que le galbe de la partie supérieure du tablier de volet roulant, notamment lorsque ce tablier est dans sa position extrême déployé s'approchait d'un galbe idéal : la courbure du tablier est régulière, dans l'espace où le tablier n'est plus guidé par les coulisses ou les tulipes.The Applicant has also found that the curvature of the upper part of the shutter apron, especially when the apron is in its extreme deployed position approached an ideal curve: the curvature of the deck is regular, in the space where the apron is no longer guided by the backstage or the tulips.
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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FR0408126A FR2873400B1 (en) | 2004-07-22 | 2004-07-22 | ASSEMBLY OF ARTICULATED BLADES, APRON OF SHUTTER ROLLING AND SHUTTER SO FORMED |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1619346A1 true EP1619346A1 (en) | 2006-01-25 |
Family
ID=34947237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP05370018A Withdrawn EP1619346A1 (en) | 2004-07-22 | 2005-07-18 | Set of interconnected lamellae and roller shutter made thereof |
Country Status (2)
Country | Link |
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EP (1) | EP1619346A1 (en) |
FR (1) | FR2873400B1 (en) |
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WO2012156622A1 (en) * | 2011-05-17 | 2012-11-22 | R-Pi | Device for at least partially closing off a cavity that is open at the top |
WO2014190399A1 (en) * | 2013-05-31 | 2014-12-04 | Technics And Applications, Afgekort T&A, Besloten Vennootschap Met Beperkte Aansprakelijkheid | Cover for a swimming pool or whirlpool, slat therefor and slat profile therefor |
FR3033823A1 (en) * | 2015-03-16 | 2016-09-23 | Mg Int | ROLLING SHADE BLADE WITH PARTIALLY FITTED SHUTTER PROFILES, SHUTTER, PARTICULARLY OF POOL COVERING, AND METHOD FOR ASSEMBLING THE SAME |
FR3043705A1 (en) * | 2015-11-12 | 2017-05-19 | Abrisud | COVER SHEET FOR ACCREDITATION BASIN |
DE102018003137A1 (en) * | 2018-04-06 | 2019-10-10 | Siegfried Binder | REFILLABLE SWIMMING POOL COVER WITH A VARIETY OF PARALLEL TO OWN LAMP LEAVES |
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EP2177708A3 (en) * | 2008-10-20 | 2010-12-15 | Croci S.P.A. | Security device, particularly for doors or window closure elements |
WO2012156622A1 (en) * | 2011-05-17 | 2012-11-22 | R-Pi | Device for at least partially closing off a cavity that is open at the top |
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US9249610B2 (en) | 2011-05-17 | 2016-02-02 | R-Pi | Device for at least partially closing off a cavity that is open at the top |
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BE1023928B1 (en) * | 2015-03-16 | 2017-09-14 | Mg International S.A. | Roller shutter blade with partial stop fastening profiles, roller shutter, in particular pool cover, and corresponding assembly method |
FR3043705A1 (en) * | 2015-11-12 | 2017-05-19 | Abrisud | COVER SHEET FOR ACCREDITATION BASIN |
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Also Published As
Publication number | Publication date |
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FR2873400A1 (en) | 2006-01-27 |
FR2873400B1 (en) | 2006-11-10 |
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