EP1026363A1 - Security device against the lifting of roller shutters - Google Patents

Security device against the lifting of roller shutters Download PDF

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Publication number
EP1026363A1
EP1026363A1 EP00390003A EP00390003A EP1026363A1 EP 1026363 A1 EP1026363 A1 EP 1026363A1 EP 00390003 A EP00390003 A EP 00390003A EP 00390003 A EP00390003 A EP 00390003A EP 1026363 A1 EP1026363 A1 EP 1026363A1
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EP
European Patent Office
Prior art keywords
link
flange
axis
deck
winding shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00390003A
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German (de)
French (fr)
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EP1026363B1 (en
Inventor
Michel Albignac
Philippe Dussoulier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Moulages Plastiques du Midi MPM SAS
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Moulages Plastiques du Midi MPM SAS
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Priority claimed from FR9901355A external-priority patent/FR2789436B1/en
Application filed by Moulages Plastiques du Midi MPM SAS filed Critical Moulages Plastiques du Midi MPM SAS
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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
    • 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
    • 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
    • E06B2009/801—Locking arrangements
    • E06B2009/802—Locking arrangements located in or close to shutter box

Definitions

  • the invention relates to a flap anti-lift device rolling, allowing to block said flap when it is deployed in the corresponding opening.
  • roller shutters The major drawback of such types of roller shutters is that they can be easily lifted from the outside, and that therefore they do not offer any guarantee against a possible breaking in.
  • a first type of locking device described in patents CH-A-645,340 and DE-U-9,303,720, includes a retaining member adapted to extend in the upper extension of a lateral slide, and designed so that when the curtain is raised, the blade upper blocking under this organ thus causing locking in deployed position of said deck.
  • the advantage of such a device is that it is simple design and therefore low cost.
  • locking devices are arranged in lateral overhang in relation to the deck, so that they cannot be fitted to the boxes of current monobloc rolling shutters pre-equipped in the factory.
  • Such monobloc safes are designed so as to have the smallest possible width, and therefore have a space between the cheeks and the ends of the rolled up apron, reduced so optimal, unsuitable for housing a locking device.
  • devices have been designed locking, as described in particular in German GM 91.01307 and in patent FR 2,696,779, in which the winding shaft is connected to the deck by a set of arched shells hinged relative to each other, designed to so as to form, in the deployed position of the apron, a lever coming under a fixed stop, adapted to prevent lifting from the outside of the deck.
  • a third type of locking device described in French patent FR-2 753 742 has made it possible to overcome several of the drawbacks of the locking devices described above.
  • the latter includes, at the level of each edge of the deck, a lateral attachment pin secured to the blade upper of said apron, adapted to be introduced into a recessed light in a flange integral with the winding shaft, said lumen having a guide profile of the latching pin during the maneuvers of the deck, and being provided with a locking section of said latching pin in the low position said apron.
  • such a locking device does not has no elements encroaching on the winding volume of the deck.
  • the only element arranged in lateral projection of the apron consists of a flange of thin, as conventionally used in one-piece cases for ensure, at the exit of the slides, the guiding of the deck including the blades, for reasons of gain in width, are devoid of connecting end pieces capable of avoiding their relative sliding.
  • This locking device can thus equip the current one-piece safes.
  • the present invention aims to overcome the drawbacks of this locking device, and aims to provide an anti-lift device roller shutter, on the one hand having the advantages of said device locking (no encroachment on the winding volume, possibility equip one-piece safes) and on the other hand, leading to displacement smooth smooth apron.
  • Another object of the invention is to provide a device anti-lift ensuring the guiding of the blades at the exit of the slides.
  • Another object of the invention is to provide a device anti-lift designed to allow the front apron to settle blocking of the latter.
  • Another object of the invention is to provide a device anti-lift that does not interfere at any time in the classic operation of the roller shutter.
  • Another object of the invention is to provide a device anti-lift, the settings of which are very easy when laying on site.
  • the upper blade of the deck is connected to at least one flange secured to the winding shaft by means of a link articulated on said flange and upper blade, so as to deploy radially at the end of the unwinding of said deck, and to retract against the shaft winding, at the start of winding said deck.
  • the means of automatic locking stop of each link allow, at the end of unwinding, to first obtain a settlement of the deck, then the blocking of the latter in its packed position.
  • the upper blade of the deck driven by the link is not required to follow an imposed trajectory by a cam profile, but moves, on the contrary, regularly and without shots along a natural spiral path (portion of a spiral) at the end of unwinding and beginning of winding, so that the operation of the shutter rolling is in no way affected by the presence of the anti-lift device.
  • this anti-lift device does not have any element encroaching on the volume of winding of the deck around the shaft winding, so that, for a given boot volume, there is a optimal winding capacity.
  • the flange / link assembly has a very low overall thickness allowing it to be integrated into roller shutter boxes without require a large space between the cheek of the chests and the end of the apron rolled up.
  • the movable axis of each link is caused to move in the guide light of the corresponding flange. According to this provision, the weight of the apron is therefore never supported by the rods, even in the phases of above operation where the latter and the attachment means follow different trajectories.
  • the device anti-lift ensures the only locking function of the bulkhead, in the position course of the latter, while the weight support function of said deck is conventionally and only ensured by means of fasteners connecting the blade higher than the winding shaft.
  • the movable axis comprises a head guiding and lateral retention of said axis in the guide lumen of said flange.
  • the guide light is then extended, at one of its ends, by an orifice of cross section conjugate with that of the head of the movable axis, of introduction of the latter, said orifice being adapted to be closed by a shutter, once the movable axis introduced into said guide lumen.
  • This guide light also forms advantageously, a circular sector with an apex angle of between 90 ° and 180 °.
  • the stop means include advantageously, for each link, a front face, called posterior, of said link extending opposite the axis integral with the upper blade, shape adapted to come and tangent and lock against the winding shaft, in the radially deployed position of said link.
  • abutment means can also advantageously understand, instead of or in addition to those mentioned above for security purposes, mounted on each flange, an integral blocking stop of said flange, positioned so as to form a toggle joint with the axes of articulation of the link and to ensure the locking of said toggle in the deployed position of said link.
  • the anti-lift device then comprises advantageously means for adjusting the position of the locking stop, able to adjust the locking position of said link.
  • Such adjustment means make it possible to refine easily on site the positioning of the locking stop so as to ensure that the deck is blocked after it has been compacted.
  • the link has a portion of convex outline relative to the movable axis, provided a notch capable of housing the locking stop.
  • the adjustment means of the position of said stopper are adapted to allow its position to be adjusted on along a circular path centered on the axis of rotation (x) and intersecting by relative to the notch in the deployed position of the link.
  • each the flange is advantageously arranged so as to substantially tangent the side lateral opposite the apron, said flange having a recess forming a notch of suitable shape to accommodate the rod during pivoting of this last between its deployed and retracted positions.
  • each flange presents preferably a combined depth of the thickness of the link.
  • the thickness overall of the flange / link assembly is equivalent to the thickness of the flange itself, the latter being, moreover, arranged so as to guide the blades of the deck at the exit of slides.
  • Such an anti-lift device can equip monobloc shutters for roller shutters fitted in particular with aprons with slats are devoid of connecting end pieces.
  • the recess of each flange and each link have oblique profile edges, of so as to guarantee a smooth sliding of the ends of the deck slats on said flange and rod.
  • the anti-lift device is notably intended to equip classic type aprons each blade of which has lower and upper articulation profiles on the juxtaposed blades.
  • the hinge axis of each link on the upper blade of said apron has a sleeve perpendicular to said link, of a shape adapted to snap onto the upper profile of said upper blade with freedom of rotation relative to the latter.
  • the device advantageously comprises a cylindrical intermediate sleeve of internal shape adapted to snap on the upper profile of the upper blade, the sleeve integral with the link having a cylindrical shape combined with that of said sheath.
  • each flange has an axial shaped sleeve adapted to be housed in the end section of the winding shaft and means for fixing said winding shaft to said sleeve.
  • each sleeve forms a bearing capable of accommodating a connecting axis of the winding shaft with the trunk roller shutter.
  • the anti-lift device shown in Figure 1 comprises, firstly, on either side of the deck 1, a circular flange 8 provided with an axial sleeve 30 of shape conjugate to that of the winding shaft 3, able to be housed in the latter so that said flange tangents the side lateral opposite the apron during its maneuvers, and guides the blades 2 behind the scenes 7.
  • connection between the sleeve 30 and the winding shaft 3 is ensured by any system known per se such as screws, clipping system or ergotage ...
  • the sleeve 30 forms a bearing inside which is housed an axis 31 connecting the winding shaft 3 with the cheeks 4 of the rolling shutter box, axis 31 around which said shaft therefore freely rotates winding.
  • this axis 31 can be linked in translation with the flange 8 or be telescopic like the different shaft ends of current roller shutters.
  • the sleeve 30 and the shaft winding 3 as shown have a cylindrical shape. However, they can have any other form known in the field of shutters rolling.
  • the flange 8 has, moreover, a recess 9 forming a circular shaped notch of dimensions adapted to extend over a portion of the surface of said flange substantially equal to one third of the total surface of this last.
  • this recess 9 is arranged so as to be oriented in direction of the slides 7 in the unrolled position of the deck 1.
  • this flange 8 includes a light called guide 21 extending completely into the recess 9 and having the shape of a circular sector centered on the axis of rotation (x), defining an angle at the top in the range of 90 to 180 degrees.
  • this guide light 21 is extended, at one of its ends, as shown in Figures 5 to 11, by a circular orifice 22 of diameter greater than the width of said lumen.
  • the anti-lift device also comprises, associated with each flange 8, a link 10 connecting said flange with the upper blade 2a of the deck 1, articulated on the one hand on the flange 8 around a pivot 11 extending in the guide light 21, and on the other hand, on said upper blade around a pivot 12 articulated on the latter.
  • each link 10 has the general shape of a truncated bean at its end opposite the pivot 12, so as to present a rear front face 10a substantially flat.
  • Each link 10 further comprises a notch 13 formed in the convex contour portion of said link.
  • each link 10 has a diameter adapted to, as mentioned above, extend through the guide light 21.
  • This pivot 11 is, moreover, provided with a circular head 14 of diameter suitable for be able to be inserted into the orifice 22, in order to subsequently maintain said pivot inside the guide light 21.
  • a shutter is positioned in the orifice 22 in order to avoid any subsequent withdrawal of said pivot.
  • each link 10 has meanwhile the shape of a cylindrical sleeve open longitudinally, suitable for snap onto a cylindrical intermediate sleeve 15 which is itself open longitudinally, and whose internal shape defines a range suitable for snap onto the upper profile 2b of the upper blade 2a of the deck 1.
  • this pivot 12 includes a skirt 32 of front support on the upper blade 2a of the deck 1, during locking, adapted to stiffen and prevent the flexing of said blade during this locking, and thus avoid fatigue ruptures.
  • Each link 10 comprises, finally, a gusset 23 of stiffening of the connection between said link and pivot 12.
  • the dimensions of the rod 10 relative to those of the recess 9, are adapted to allow said rod to retract entirely into said recess, and to fill a maximum percentage of the surface of the latter.
  • the anti-lift device finally comprises a stop blocking 16 consisting of a pin secured to each flange 8 by insertion of said pin in a bore such as 17 formed in said flange, so as to abut in the notch 13 of the link 10 in the lower unwound position of the deck 1.
  • each flange 8 has a plurality of bores 17 distributed along a circular curve centered on the axis of rotation (x) of so as to refine the locking position of the link 10. It should be noted that this adjustment can also be obtained by moving the stop 16 in a light with locking notches.
  • peripheral edges 8a, 9a, 10b of the flanges 8, of the recesses 9 and of the links 10 have a profile oblique, so as to facilitate the smooth sliding of the blades 2 during deck operations 1.
  • the link 10 is adapted to pivot to a deployed position in which the pivot 12 is radially further from the axis of the winding shaft 3 than the pivot 11, obtained at the end of unfolding of the deck 1 as shown in Figures 1 and 5, by blocking said link by the pin 16, or from the rear front face 10a of the link 10 against the winding shaft, according to the height adjustments of the deck 1.
  • the pivot 11 slides in the guide light 21 so that, at no time, the weight of the deck 1 is supported by the rods 10.
  • the length of the guide light 21 is adapted so that, when the flexible bands are fully tensioned, the pivot 11 is at a distance from the end of said guide light opposite the orifice 22. This provision makes it possible, in fact, to guarantee that at no time the deck 1 is not is supported by the links 10.

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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)
  • Metal Rolling (AREA)
  • Control And Safety Of Cranes (AREA)
  • Elevator Door Apparatuses (AREA)
  • Window Of Vehicle (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

Anti-winding safety device has cheek web (8) integral the shutter winding shaft (3) and positioned on edge of shutter (1). Connecting rod (10) articulated on cheek web and shutter upper slat (2) pivots between radially deployed position obtained in shutter bottom unwound opposition and retracted position against winding shaft during winding of shutter. Stop (13,16) automatically locks connecting rod relative to cheek web in its radially deployed position.

Description

L'invention concerne un dispositif anti-relevage de volet roulant, permettant de bloquer ledit volet lorsqu'il se trouve déployé dans l'ouverture correspondante.The invention relates to a flap anti-lift device rolling, allowing to block said flap when it is deployed in the corresponding opening.

Les volets roulants actuels comportent de façon classique:

  • un tablier constitué d'une pluralité de lames articulées les unes par rapport aux autres,
  • un arbre d'enroulement d'axe de rotation (x), relié par des moyens d'attache à une des lames, dite supérieure, du tablier, et généralement logé dans un coffre comportant une sous-face présentant une fente longitudinale apte à permettre le passage du tablier,
  • des moyens d'entraínement en rotation de l'arbre d'enroulement aptes à permettre de dérouler le tablier vers une position basse déployée où il obture l'ouverture correspondante, et d'enrouler ce tablier vers une position haute où ce dernier est enroulé sur sa plus grande longueur autour de l'arbre d'enroulement et dégage l'ouverture,
  • et des moyens de guidage du tablier, en particulier des glissières latérales disposées de part et d'autre de l'ouverture de façon à loger les extrémités latérales des lames lors des manoeuvres du tablier et à assurer le guidage de ces dernières.
Current roller shutters typically include:
  • an apron consisting of a plurality of blades hinged relative to each other,
  • a winding shaft with an axis of rotation (x), connected by means of attachment to one of the blades, called the upper one, of the deck, and generally housed in a trunk comprising an underside having a longitudinal slot capable of allowing the passage of the apron,
  • means for driving in rotation of the winding shaft capable of allowing the deck to be unwound towards a deployed low position where it closes the corresponding opening, and to wind this deck towards a high position where the latter is wound on its greatest length around the winding shaft and clears the opening,
  • and means for guiding the apron, in particular lateral slides arranged on either side of the opening so as to accommodate the lateral ends of the blades during the maneuvers of the apron and to guide the latter.

L'inconvénient majeur de tels types de volets roulants réside dans le fait qu'ils peuvent être facilement soulevés depuis l'extérieur, et que par conséquent, ils n'offrent aucune garantie contre une éventuelle effraction.The major drawback of such types of roller shutters is that they can be easily lifted from the outside, and that therefore they do not offer any guarantee against a possible breaking in.

Pour pallier cet inconvénient, il a été imaginé divers types de dispositifs de verrouillage destinés à empêcher de soulever le tablier depuis l'extérieur lorsque celui-ci obture l'ouverture correspondante, et à autoriser l'enroulement de ce tablier en utilisant les moyens d'entraínement en rotation de l'arbre d'enroulement, sans nécessiter de manoeuvre spécifique préalable en vue d'obtenir le déverrouillage. To overcome this drawback, various types have been devised locking devices to prevent lifting of the bulkhead from the outside when it closes the corresponding opening, and to authorize the winding of this deck using the rotational drive means of the winding shaft, without requiring any specific prior maneuver in order to get the unlock.

Un premier type de dispositif de verrouillage, décrit dans les brevets CH-A-645 340 et DE-U-9 303 720, comporte un organe de retenue adapté pour s'étendre dans le prolongement supérieur d'une coulisse latérale, et conçu de façon que, en cas de tentative de soulèvement du tablier, la lame supérieure vienne en blocage sous cet organe provoquant ainsi le verrouillage en position déployée dudit tablier. Un tel dispositif a pour avantage d'être d'une conception simple et donc d'un faible coût de revient.A first type of locking device, described in patents CH-A-645,340 and DE-U-9,303,720, includes a retaining member adapted to extend in the upper extension of a lateral slide, and designed so that when the curtain is raised, the blade upper blocking under this organ thus causing locking in deployed position of said deck. The advantage of such a device is that it is simple design and therefore low cost.

Par contre, l'inconvénient majeur de ce type de dispositif de verrouillage réside dans le fait qu'il impose d'autoriser un jeu entre le bas du tablier et le seuil de l'ouverture afin d'obtenir un positionnement correct de la lame supérieure garantissant sa coopération effective avec l'organe de retenue. De ce fait, il est donc aisé d'introduire un objet sous la lame inférieure du tablier et, par un effet de levier, d'exercer un effort permettant de soulever ledit tablier.However, the major drawback of this type of device of locking resides in the fact that it imposes to authorize a play between the bottom of the deck and the threshold of the opening in order to obtain a correct positioning of the upper blade guaranteeing its effective cooperation with the retaining member. Therefore, it is therefore easy to introduce an object under the lower blade of the deck and, by a leverage effect, to exert a force making it possible to lift said apron.

De plus, de tels dispositifs de verrouillage sont disposés en débord latéral par rapport au tablier, de sorte qu'ils ne peuvent équiper les coffres de volet roulant monoblocs actuels pré-équipés en usine.In addition, such locking devices are arranged in lateral overhang in relation to the deck, so that they cannot be fitted to the boxes of current monobloc rolling shutters pre-equipped in the factory.

En effet, de tels coffres monoblocs sont conçus de façon à présenter une largeur la plus faible possible, et par conséquent, comportent un espace entre les joues et les extrémités du tablier enroulé, réduit de façon optimale, inapte à loger un dispositif de verrouillage.Indeed, such monobloc safes are designed so as to have the smallest possible width, and therefore have a space between the cheeks and the ends of the rolled up apron, reduced so optimal, unsuitable for housing a locking device.

Pour pallier ces inconvénients, il a été conçu des dispositifs de verrouillage, tels que notamment décrits dans le GM allemand 91.01307 et dans le brevet FR 2.696.779, dans lequel l'arbre d'enroulement est relié au tablier par un jeu de coquilles cintrées articulées l'une par rapport à l'autre, conçues de façon à former, dans la position déployée du tablier, un levier venant sous une butée fixe, adapté pour empêcher tout soulèvement de l'extérieur du tablier.To overcome these drawbacks, devices have been designed locking, as described in particular in German GM 91.01307 and in patent FR 2,696,779, in which the winding shaft is connected to the deck by a set of arched shells hinged relative to each other, designed to so as to form, in the deployed position of the apron, a lever coming under a fixed stop, adapted to prevent lifting from the outside of the deck.

Toutefois, de tels dispositifs de verrouillage présentent plusieurs inconvénients. En effet, ils sont d'une relative complexité et leur installation augmente de façon notable le prix de revient total du volet roulant. De plus, lors de la mise en place sur chantier, tout réglage qu'imposent les variations fréquentes de hauteur entre l'axe d'enroulement et l'appui de l'ouverture, amène à démonter entièrement le volet roulant en vue d'adapter la position du dispositif de verrouillage, et l'installation de tels volets roulants s'avère donc longue et délicate. Enfin, il convient de noter que la conception de tels dispositifs de verrouillage qui consiste à relier l'arbre d'enroulement au tablier par un jeu de coquilles conduit à une augmentation du diamètre du tablier dans sa position enroulée et, pour un coffre de dimensions données, à une limitation du diamètre d'enroulement.However, such locking devices have several disadvantages. Indeed, they are relatively complex and their installation significantly increases the total cost of the shutter. In addition, when setting up on site, any adjustment imposed by the frequent variations in height between the winding axis and the support of opening, leads to the complete dismantling of the roller shutter in order to adapt the position of the locking device, and the installation of such roller shutters is therefore long and delicate. Finally, it should be noted that the design of such locking devices which consists in connecting the winding shaft to the deck by a set of shells leads to an increase in the diameter of the deck in its rolled up position and, for a trunk of given dimensions, at a limitation of the winding diameter.

Ce dernier inconvénient s'avère d'ailleurs quasiment commun à tous les dispositifs de verrouillage actuels de sorte que les dimensions des coffres de volets roulants doivent être adaptées à celles des volets roulants.This last drawback is also almost common to all current locking devices so that the dimensions roller shutter boxes must be adapted to those of the roller shutters.

Un troisième type de dispositif de verrouillage, décrit dans le brevet français FR-2 753 742, a permis de pallier plusieurs des inconvénients des dispositifs de verrouillage décrits ci-dessus. Ce dernier comporte, au niveau de chaque bordure du tablier, un pion latéral d'accrochage solidaire de la lame supérieure dudit tablier, adapté pour être introduit dans une lumière ménagée dans un flasque solidaire de l'arbre d'enroulement, ladite lumière présentant un profil de guidage du pion d'accrochage lors des manoeuvres du tablier, et étant dotée d'une section de verrouillage dudit pion d'accrochage dans la position basse dudit tablier.A third type of locking device, described in French patent FR-2 753 742 has made it possible to overcome several of the drawbacks of the locking devices described above. The latter includes, at the level of each edge of the deck, a lateral attachment pin secured to the blade upper of said apron, adapted to be introduced into a recessed light in a flange integral with the winding shaft, said lumen having a guide profile of the latching pin during the maneuvers of the deck, and being provided with a locking section of said latching pin in the low position said apron.

En premier lieu, un tel dispositif de verrouillage ne comporte aucun élément empiétant sur le volume d'enroulement du tablier. De plus, le seul élément disposé en débord latéral du tablier consiste en un flasque de faible épaisseur, tel que classiquement utilisé dans les coffres monoblocs pour assurer, en sortie des glissières, le guidage du tablier dont les lames, pour des raisons de gain de largeur, sont dépourvues d'embouts de liaison aptes à éviter leur coulissement relatif. Ce dispositif de verrouillage peut donc ainsi équiper les coffres monoblocs actuels.First, such a locking device does not has no elements encroaching on the winding volume of the deck. Of more, the only element arranged in lateral projection of the apron consists of a flange of thin, as conventionally used in one-piece cases for ensure, at the exit of the slides, the guiding of the deck including the blades, for reasons of gain in width, are devoid of connecting end pieces capable of avoiding their relative sliding. This locking device can thus equip the current one-piece safes.

Par contre, un tel dispositif de verrouillage présente également des inconvénients. En effet, et en premier lieu, le principe de ce dispositif de verrouillage qui consiste à guider le pion d'accrochage le long d'un profil de came, impose, tel que décrit page 9, lignes 16-29 du brevet, de prévoir une gamme de profils de cames et donc de flasques, chacun adapté au type de lames constituant le tablier. De plus, le pion d'accrochage est amené, non pas à glisser régulièrement dans la lumière, mais à se déplacer brutalement entre les extrémités des sections de lumière dans lesquelles il est situé, de sorte que le tablier se déplace de façon saccadée en fin de déroulement et en début d'enroulement, pouvant laisser croire à un dysfonctionnement peu rassurant pour l'utilisateur. Enfin, selon ce principe, le pion peut s'échapper de la lumière conduisant, si ce n'est à une chute du tablier, du moins à un blocage de ce dernier.By cons, such a locking device has also disadvantages. First of all, the principle of this locking device which consists in guiding the latching pin along a cam profile, requires, as described on page 9, lines 16-29 of the patent, to provide a range of cam profiles and therefore flanges, each adapted to the type of blades constituting the deck. In addition, the attachment pin is brought, not to slipping regularly in the light, but moving suddenly between the ends of the light sections in which it is located, so that the apron moves in a jerky fashion at the end of the course and at the start winding, which could lead to believe in a dysfunction that is not reassuring for the user. Finally, according to this principle, the pawn can escape from the light leading, if not to a fall of the apron, at least to a blockage of the latter.

La présente invention vise à pallier les inconvénients de ce dispositif de verrouillage, et a pour objectif de fournir un dispositif anti-relevage de volet roulant, d'une part présentant les avantages dudit dispositif de verrouillage (pas d'empiétement sur le volume d'enroulement, possibilité d'équiper des coffres monoblocs) et d'autre part, conduisant à un déplacement régulier sans heurt du tablier.The present invention aims to overcome the drawbacks of this locking device, and aims to provide an anti-lift device roller shutter, on the one hand having the advantages of said device locking (no encroachment on the winding volume, possibility equip one-piece safes) and on the other hand, leading to displacement smooth smooth apron.

Un autre objectif de l'invention est de fournir un dispositif anti-relevage assurant le guidage des lames en sortie des glissières.Another object of the invention is to provide a device anti-lift ensuring the guiding of the blades at the exit of the slides.

Un autre objectif de l'invention est de fournir un dispositif anti-relevage conçu pour permettre d'obtenir un tassement du tablier avant blocage de ce dernier.Another object of the invention is to provide a device anti-lift designed to allow the front apron to settle blocking of the latter.

Un autre objectif de l'invention est de fournir un dispositif anti-relevage n'interférant à aucun moment dans le fonctionnement classique du volet roulant.Another object of the invention is to provide a device anti-lift that does not interfere at any time in the classic operation of the roller shutter.

Un autre objectif de l'invention est de fournir un dispositif anti-relevage dont les réglages sont très aisés lors de la pose sur chantier.Another object of the invention is to provide a device anti-lift, the settings of which are very easy when laying on site.

A cet effet, l'invention vise un dispositif anti-relevage pour des volets roulants tels que décrits dans le préambule ci-dessus, se caractérisant en ce qu'il comporte:

  • au moins un flasque solidaire de l'arbre d'enroulement, positionné de façon à s'étendre en bordure d'un des côtés latéraux du tablier,
  • associé à chaque flasque, une biellette s'étendant latéralement en bordure du tablier, et articulée autour de deux axes solidaires respectivement de la lame supérieure dudit tablier et dudit flasque, lesdits axes étant ménagés de façon que la biellette pivote entre une position radialement déployée obtenue dans la position basse déroulée dudit tablier, dans laquelle la distance radiale entre l'axe solidaire de la lame supérieure et l'arbre d'enroulement est supérieure à celle entre l'axe solidaire du flasque et ledit arbre d'enroulement, et une position radialement escamotée contre l'arbre d'enroulement obtenue lors de l'enroulement dudit tablier,
  • des moyens de butée de blocage automatique de chaque biellette relativement au flasque correspondant dans la position radialement déployée de ladite biellette.
To this end, the invention relates to an anti-lift device for rolling shutters as described in the preamble above, characterized in that it comprises:
  • at least one flange secured to the winding shaft, positioned so as to extend at the edge of one of the lateral sides of the deck,
  • associated with each flange, a link extending laterally at the edge of the apron, and articulated around two axes secured respectively to the upper blade of said apron and said flange, said axes being arranged so that the link pivots between a radially deployed position obtained in the lower unwound position of said apron, in which the radial distance between the axis integral with the upper blade and the winding shaft is greater than that between the axis integral with the flange and said winding shaft, and a position radially retracted against the winding shaft obtained during the winding of said deck,
  • automatic locking stop means of each link relative to the corresponding flange in the radially deployed position of said link.

Selon l'invention, la lame supérieure du tablier est reliée à au moins un flasque solidaire de l'arbre d'enroulement au moyen d'une biellette articulée sur lesdits flasque et lame supérieure, de façon à se déployer radialement en fin de déroulement dudit tablier, et à s'escamoter contre l'arbre d'enroulement, en début d'enroulement dudit tablier. De plus, les moyens de butée de blocage automatique de chaque biellette permettent, en fin de déroulement, d'obtenir en premier lieu un tassement du tablier, puis le blocage de ce dernier dans sa position tassée.According to the invention, the upper blade of the deck is connected to at least one flange secured to the winding shaft by means of a link articulated on said flange and upper blade, so as to deploy radially at the end of the unwinding of said deck, and to retract against the shaft winding, at the start of winding said deck. In addition, the means of automatic locking stop of each link allow, at the end of unwinding, to first obtain a settlement of the deck, then the blocking of the latter in its packed position.

Selon ce principe, et en premier lieu, la lame supérieure du tablier entraínée par la biellette n'est pas amenée à suivre une trajectoire imposée par un profil de came, mais se déplace, au contraire, régulièrement et sans à coups selon une trajectoire naturelle en spirale (portion de spirale) en fin de déroulement et en début d'enroulement, de sorte que le fonctionnement du volet roulant n'est aucunement affecté par la présence du dispositif anti-relevage.According to this principle, and first of all, the upper blade of the deck driven by the link is not required to follow an imposed trajectory by a cam profile, but moves, on the contrary, regularly and without shots along a natural spiral path (portion of a spiral) at the end of unwinding and beginning of winding, so that the operation of the shutter rolling is in no way affected by the presence of the anti-lift device.

Par ailleurs, ce dispositif anti-relevage ne comporte aucun élément empiétant sur le volume d'enroulement du tablier autour de l'arbre d'enroulement, de sorte que, pour un volume de coffre donné, on bénéficie d'une capacité d'enroulement optimale.Furthermore, this anti-lift device does not have any element encroaching on the volume of winding of the deck around the shaft winding, so that, for a given boot volume, there is a optimal winding capacity.

De plus, l'ensemble flasque/biellette présente une très faible épaisseur globale permettant de l'intégrer dans des coffres de volet roulant sans nécessiter un espace important entre la joue des coffres et l'extrémité du tablier enroulé.In addition, the flange / link assembly has a very low overall thickness allowing it to be integrated into roller shutter boxes without require a large space between the cheek of the chests and the end of the apron rolled up.

Selon un mode de réalisation avantageux:

  • chaque flasque est percé d'une lumière, dite lumière de guidage, présentant la forme d'un secteur circulaire centré sur l'axe de rotation,
  • chaque biellette est articulée sur un flasque autour d'un axe, dit axe mobile, logé dans la lumière de guidage dudit flasque, lesdits axe mobile et lumière de guidage étant ménagés de façon que l'axe mobile soit en butée contre une des extrémités de la lumière de guidage dans la position radialement déployée de la biellette, et se déplace en direction de l'autre extrémité de ladite lumière de guidage en début d'enroulement du tablier.
According to an advantageous embodiment:
  • each flange is pierced with a light, known as a guide light, having the shape of a circular sector centered on the axis of rotation,
  • each link is articulated on a flange around an axis, called the mobile axis, housed in the guide light of said flange, said mobile axis and guide light being arranged so that the mobile axis is in abutment against one of the ends of the guide light in the radially deployed position of the rod, and moves in the direction of the other end of said guide light at the start of winding of the deck.

Selon ce principe, et en début d'enroulement et en fin d'enroulement, l'axe mobile de chaque biellette est amené à se déplacer dans la lumière de guidage du flasque correspondant. Selon cette disposition, le poids du tablier n'est donc jamais supporté par les biellettes, même dans les phases de fonctionnement précitées où ces dernières et les moyens d'attache suivent des trajectoires différentes.According to this principle, and at the start of winding and at the end winding, the movable axis of each link is caused to move in the guide light of the corresponding flange. According to this provision, the weight of the apron is therefore never supported by the rods, even in the phases of above operation where the latter and the attachment means follow different trajectories.

De la sorte, on évite que le tablier ne soit soutenu temporairement qu'au niveau de deux points de suspension éloignés, et on écarte donc tout risque de déformation dudit tablier notamment lorsque celui-ci présente une longueur relativement importante.In this way, we prevent the deck from being supported temporarily only at two distant ellipsis, and we rule out therefore any risk of deformation of said apron, in particular when it presents a relatively large length.

En résumé, donc, grâce à cette disposition, le dispositif anti-relevage assure la seule fonction de verrouillage du tablier, dans la position déroulée de ce dernier, tandis que la fonction de soutien du poids dudit tablier est classiquement et uniquement assurée par les moyens d'attaches reliant la lame supérieure à l'arbre d'enroulement.In summary, therefore, thanks to this arrangement, the device anti-lift ensures the only locking function of the bulkhead, in the position course of the latter, while the weight support function of said deck is conventionally and only ensured by means of fasteners connecting the blade higher than the winding shaft.

Selon un mode de réalisation avantageux visant à faciliter le montage de chaque biellette sur le flasque, l'axe mobile comporte une tête de guidage et de maintien latéral dudit axe dans la lumière de guidage dudit flasque. De plus, la lumière de guidage est alors prolongée, au niveau d'une de ses extrémités, par un orifice de section conjuguée de celle de la tête de l'axe mobile, d'introduction de cette dernière, ledit orifice étant adapté pour être obturé par un obturateur, une fois l'axe mobile introduit dans ladite lumière de guidage. According to an advantageous embodiment aimed at facilitating mounting each link on the flange, the movable axis comprises a head guiding and lateral retention of said axis in the guide lumen of said flange. In addition, the guide light is then extended, at one of its ends, by an orifice of cross section conjugate with that of the head of the movable axis, of introduction of the latter, said orifice being adapted to be closed by a shutter, once the movable axis introduced into said guide lumen.

Cette lumière de guidage forme, en outre, avantageusement, un secteur circulaire d'angle au sommet compris entre 90° et 180°.This guide light also forms advantageously, a circular sector with an apex angle of between 90 ° and 180 °.

Les moyens de butée comportent quant à eux avantageusement, pour chaque biellette, une face frontale, dite postérieure, de ladite biellette s'étendant à l'opposé de l'axe solidaire de la lame supérieure, de forme adaptée pour venir tangenter et se bloquer contre l'arbre d'enroulement, dans la position radialement déployée de ladite biellette.The stop means include advantageously, for each link, a front face, called posterior, of said link extending opposite the axis integral with the upper blade, shape adapted to come and tangent and lock against the winding shaft, in the radially deployed position of said link.

Ces moyens de butée peuvent également avantageusement comprendre, en lieu et place de ceux précités ou en complément de ces derniers à des fins de sécurité, montée sur chaque flasque, une butée de blocage solidaire dudit flasque, positionnée de façon à former une genouillère avec les axes d'articulation de la biellette et à assurer le verrouillage de ladite genouillère dans la position déployée de ladite biellette.These abutment means can also advantageously understand, instead of or in addition to those mentioned above for security purposes, mounted on each flange, an integral blocking stop of said flange, positioned so as to form a toggle joint with the axes of articulation of the link and to ensure the locking of said toggle in the deployed position of said link.

De plus, le dispositif anti-relevage comprend alors avantageusement des moyens de réglage de la position de la butée de blocage, aptes à permettre d'ajuster la position de blocage de ladite biellette.In addition, the anti-lift device then comprises advantageously means for adjusting the position of the locking stop, able to adjust the locking position of said link.

De tels moyens de réglage permettent en effet d'affiner aisément sur chantier le positionnement de la butée de blocage de façon à garantir l'obtention d'un blocage du tablier après tassement de ce dernier.Such adjustment means make it possible to refine easily on site the positioning of the locking stop so as to ensure that the deck is blocked after it has been compacted.

Selon un mode de réalisation avantageux, la biellette comporte une portion de contour convexe relativement à l'axe mobile, dotée d'une encoche apte à loger la butée de blocage. De plus, les moyens de réglage de la position de ladite butée sont adaptés pour permettre d'ajuster sa position le long d'une trajectoire circulaire centrée sur l'axe de rotation (x) et sécante par rapport à l'encoche dans la position déployée de la biellette.According to an advantageous embodiment, the link has a portion of convex outline relative to the movable axis, provided a notch capable of housing the locking stop. In addition, the adjustment means of the position of said stopper are adapted to allow its position to be adjusted on along a circular path centered on the axis of rotation (x) and intersecting by relative to the notch in the deployed position of the link.

Afin d'optimiser l'encombrement du dispositif anti-relevage et notamment permettre d'intégrer ce dernier dans des coffres monoblocs, chaque flasque est avantageusement disposé de façon à tangenter sensiblement le côté latéral en vis-à-vis du tablier, ledit flasque présentant un évidement formant une échancrure de forme adaptée pour loger la biellette lors des pivotements de cette dernière entre ses positions déployée et escamotée. To optimize the size of the anti-lift device and in particular allow the latter to be integrated into one-piece safes, each the flange is advantageously arranged so as to substantially tangent the side lateral opposite the apron, said flange having a recess forming a notch of suitable shape to accommodate the rod during pivoting of this last between its deployed and retracted positions.

De plus, l'évidement de chaque flasque présente préférentiellement une profondeur conjuguée de l'épaisseur de la biellette.In addition, the recess of each flange presents preferably a combined depth of the thickness of the link.

Selon ce mode de réalisation préférentiel, l'épaisseur globale de l'ensemble flasque/biellette équivaut à l'épaisseur du flasque luimême, ce dernier étant, en outre, disposé de façon à guider les lames du tablier en sortie de glissières.According to this preferred embodiment, the thickness overall of the flange / link assembly is equivalent to the thickness of the flange itself, the latter being, moreover, arranged so as to guide the blades of the deck at the exit of slides.

Ainsi, un tel dispositif anti-relevage peut équiper des coffres monoblocs de volets roulants dotés notamment de tabliers dont les lames sont dépourvues d'embouts de liaison.Thus, such an anti-lift device can equip monobloc shutters for roller shutters fitted in particular with aprons with slats are devoid of connecting end pieces.

Selon une autre caractéristique de l'invention, l'évidement de chaque flasque et chaque biellette comportent des bords à profil oblique, de façon à garantir un glissement sans heurt des extrémités des lames du tablier sur lesdits flasque et biellette.According to another characteristic of the invention, the recess of each flange and each link have oblique profile edges, of so as to guarantee a smooth sliding of the ends of the deck slats on said flange and rod.

Par ailleurs, le dispositif anti-relevage est notamment destiné à équiper des tabliers de type classique dont chaque lame comporte des profilés inférieur et supérieur d'articulation sur les lames juxtaposées. Dans ce cas, et de façon avantageuse, en vue de faciliter l'accrochage de la lame supérieure du tablier sur chaque biellette, l'axe d'articulation de chaque biellette sur la lame supérieure dudit tablier comporte un manchon perpendiculaire à ladite biellette, de forme adaptée pour s'encliqueter sur le profilé supérieur de ladite lame supérieure avec une liberté de rotation par rapport à ce dernier.In addition, the anti-lift device is notably intended to equip classic type aprons each blade of which has lower and upper articulation profiles on the juxtaposed blades. In this case, and advantageously, in order to facilitate the attachment of the blade upper of the apron on each link, the hinge axis of each link on the upper blade of said apron has a sleeve perpendicular to said link, of a shape adapted to snap onto the upper profile of said upper blade with freedom of rotation relative to the latter.

De plus, le dispositif comprend avantageusement un fourreau intermédiaire cylindrique de forme interne adaptée pour s'encliqueter sur le profilé supérieur de la lame supérieure, le manchon solidaire de la biellette présentant une forme cylindrique conjuguée de celle dudit fourreau.In addition, the device advantageously comprises a cylindrical intermediate sleeve of internal shape adapted to snap on the upper profile of the upper blade, the sleeve integral with the link having a cylindrical shape combined with that of said sheath.

Selon un mode réalisation avantageux visant à faciliter le montage du volet roulant, chaque flasque comporte un manchon axial de forme adaptée pour se loger dans le tronçon d'extrémité de l'arbre d'enroulement et des moyens de fixation dudit arbre d'enroulement audit manchon.According to an advantageous embodiment aimed at facilitating the mounting the roller shutter, each flange has an axial shaped sleeve adapted to be housed in the end section of the winding shaft and means for fixing said winding shaft to said sleeve.

De plus, de façon avantageuse, chaque manchon forme un palier apte à loger un axe de liaison de l'arbre d'enroulement avec le coffre de volet roulant. In addition, advantageously, each sleeve forms a bearing capable of accommodating a connecting axis of the winding shaft with the trunk roller shutter.

D'autres caractéristiques, buts et avantages de l'invention ressortiront de la description détaillée qui suit en référence aux dessins annexés qui en représentent à titre d'exemple non limitatif un mode de réalisation préférentiel. Sur ces dessins:

  • la figure 1 est une vue en perspective partielle d'un volet roulant représenté schématiquement dans la position déroulée du tablier, équipé d'un dispositif anti-relevage conforme à l'invention,
  • la figure 2 est une vue en perspective simplifiée de ce volet roulant avant assemblage de l'arbre d'enroulement et du flasque,
  • la figure 3 est une vue en perspective éclatée d'une biellette conforme à l'invention et de la lame supérieure du tablier de volet roulant,
  • la figure 4 est une vue frontale de cette biellette,
  • et les figures 5 à 11 sont des coupes schématiques par un plan vertical A représentant les positions successives de la biellette et du tablier de volet roulant, en début d'enroulement à partir d'une position déroulée dudit tablier représentée à la figure 5.
Other characteristics, objects and advantages of the invention will emerge from the detailed description which follows, with reference to the appended drawings which show by way of nonlimiting example a preferred embodiment. In these drawings:
  • FIG. 1 is a partial perspective view of a rolling shutter shown diagrammatically in the unrolled position of the deck, equipped with an anti-lifting device according to the invention,
  • FIG. 2 is a simplified perspective view of this rolling shutter before assembly of the winding shaft and the flange,
  • FIG. 3 is an exploded perspective view of a link according to the invention and of the upper blade of the roller shutter curtain,
  • FIG. 4 is a front view of this link,
  • and FIGS. 5 to 11 are diagrammatic sections through a vertical plane A representing the successive positions of the link and of the roller shutter curtain, at the start of winding from a position unwound from said curtain shown in FIG. 5.

Le dispositif anti-relevage représenté à la figure 1 est destiné à équiper un volet roulant de type classique comprenant principalement:

  • un tablier 1 constitué d'une pluralité de lames telles que 2, dont une lame supérieure 2a, articulées les unes par rapport aux autres,
  • un arbre d'enroulement 3 logé dans un coffre dont est représentée principalement une des joues 4,
  • des moyens d'attache telle que des bandes souples 20 reliant l'arbre d'enroulement 3 et la lame supérieure 2a du tablier 1, aptes à solliciter ladite lame supérieure dans la position déroulée dudit tablier de façon à amener l'ensemble des lames 2 dans un même plan vertical,
  • des moyens d'entraínement on rotation (non représentés) de l'arbre d'enroulement 3,
  • et deux coulisses latérales en forme de U, telles que 7, disposées de part et d'autre de l'ouverture de façon à loger les extrémités latérales des lames 2 lors des manoeuvres du tablier 1 et assura le guidage de ce dernier.
The anti-lift device shown in FIG. 1 is intended to equip a rolling shutter of the conventional type mainly comprising:
  • an apron 1 consisting of a plurality of blades such as 2, including an upper blade 2a, articulated with respect to each other,
  • a winding shaft 3 housed in a trunk of which one of the cheeks 4 is mainly represented,
  • attachment means such as flexible strips 20 connecting the winding shaft 3 and the upper blade 2a of the deck 1, adapted to urge said upper blade in the unrolled position of said deck so as to bring all the blades 2 in the same vertical plane,
  • rotation drive means (not shown) of the winding shaft 3,
  • and two U-shaped lateral slides, such as 7, arranged on either side of the opening so as to accommodate the lateral ends of the blades 2 during the operations of the deck 1 and provided the latter with guidance.

Le dispositif anti-relevage représenté à la figure 1 comporte, en premier lieu, de part et d'autre du tablier 1, un flasque circulaire 8 doté d'un manchon axial 30 de forme conjuguée de celle de l'arbre d'enroulement 3, apte à venir se loger dans ce dernier de façon que ledit flasque tangente le côté latéral en vis-à-vis du tablier lors des manoeuvres de ce dernier, et guide les lames 2 en sortie des coulisses 7.The anti-lift device shown in Figure 1 comprises, firstly, on either side of the deck 1, a circular flange 8 provided with an axial sleeve 30 of shape conjugate to that of the winding shaft 3, able to be housed in the latter so that said flange tangents the side lateral opposite the apron during its maneuvers, and guides the blades 2 behind the scenes 7.

La liaison entre le manchon 30 et l'arbre d'enroulement 3 est assurée par tout système connu en soi tel que vis, système de clipage ou d'ergotage ...The connection between the sleeve 30 and the winding shaft 3 is ensured by any system known per se such as screws, clipping system or ergotage ...

De plus, le manchon 30 forme un palier à l'intérieur duquel vient se loger un axe 31 de liaison de l'arbre d'enroulement 3 avec le joues 4 du coffre de volet roulant, axe 31 autour duquel tourne donc librement ledit arbre d'enroulement.In addition, the sleeve 30 forms a bearing inside which is housed an axis 31 connecting the winding shaft 3 with the cheeks 4 of the rolling shutter box, axis 31 around which said shaft therefore freely rotates winding.

De façon classique, cet axe 31 peut être lié en translation avec le flasque 8 ou bien être télescopique comme les différents embouts d'arbre de volet roulant actuels.Conventionally, this axis 31 can be linked in translation with the flange 8 or be telescopic like the different shaft ends of current roller shutters.

De plus, en lieu et place de cet axe 31, il peut être prévu le corps d'un moteur tubulaire sur lequel le manchon 30 est adapté.In addition, instead of this axis 31, it can be provided the body of a tubular motor on which the sleeve 30 is adapted.

Il est à noter également que le manchon 30 et l'arbre d'enroulement 3 tels que représentés présentent une forme cylindrique. Toutefois, ils peuvent présenter toute autre forme connue dans le domaine des volets roulants.It should also be noted that the sleeve 30 and the shaft winding 3 as shown have a cylindrical shape. However, they can have any other form known in the field of shutters rolling.

Le flasque 8 présente, par ailleurs, un évidement 9 formant une échancrure de forme circulaire de dimensions adaptées pour s'étendre sur une portion de surface dudit flasque sensiblement égale au tiers de la surface totale de ce dernier. De plus, cet évidement 9 est ménagé de façon à être orienté en direction des coulisses 7 dans la position déroulée du tablier 1.The flange 8 has, moreover, a recess 9 forming a circular shaped notch of dimensions adapted to extend over a portion of the surface of said flange substantially equal to one third of the total surface of this last. In addition, this recess 9 is arranged so as to be oriented in direction of the slides 7 in the unrolled position of the deck 1.

Par ailleurs, ce flasque 8 comporte une lumière dite de guidage 21 s'étendant totalement dans l'évidement 9 et présentant la forme d'un secteur circulaire centré sur l'axe de rotation (x), délimitant un angle au sommet de l'ordre de 90 à 180 degrés. De plus, cette lumière de guidage 21 est prolongée, au niveau d'une de ses extrémités, tels que représenté aux figures 5 à 11, par un orifice circulaire 22 de diamètre supérieur à la largeur de ladite lumière.Furthermore, this flange 8 includes a light called guide 21 extending completely into the recess 9 and having the shape of a circular sector centered on the axis of rotation (x), defining an angle at the top in the range of 90 to 180 degrees. In addition, this guide light 21 is extended, at one of its ends, as shown in Figures 5 to 11, by a circular orifice 22 of diameter greater than the width of said lumen.

Le dispositif anti-relevage comporte, en outre, associé à chaque flasque 8, une biellette 10 de liaison dudit flasque avec la lame supérieure 2a du tablier 1, articulée d'une part sur le flasque 8 autour d'un pivot 11 s'étendant dans la lumière de guidage 21, et d'autre part, sur ladite lame supérieure autour d'un pivot 12 articulé sur cette dernière.The anti-lift device also comprises, associated with each flange 8, a link 10 connecting said flange with the upper blade 2a of the deck 1, articulated on the one hand on the flange 8 around a pivot 11 extending in the guide light 21, and on the other hand, on said upper blade around a pivot 12 articulated on the latter.

Tel que représenté aux figures 3 et 4, chaque biellette 10 présente la forme générale d'un haricot tronqué au niveau de son extrémité opposée au pivot 12, de façon à présenter une face frontale arrière 10a sensiblement plane. Chaque biellette 10 comporte, en outre, une encoche 13 ménagée dans la portion de contour de forme convexe de ladite biellette.As shown in Figures 3 and 4, each link 10 has the general shape of a truncated bean at its end opposite the pivot 12, so as to present a rear front face 10a substantially flat. Each link 10 further comprises a notch 13 formed in the convex contour portion of said link.

Le pivot 11 de chaque biellette 10 présente un diamètre adapté pour, tel que précité, s'étendre au travers de la lumière de guidage 21. Ce pivot 11 est, en outre, doté d'une tête circulaire 14 de diamètre adapté pour pouvoir être introduite dans l'orifice 22, en vue d'assurer par la suite le maintien dudit pivot à l'intérieur de la lumière de guidage 21. A cet effet, une fois le pivot 11 mis en place dans la lumière de guidage 21, un obturateur est positionné dans l'orifice 22 afin d'éviter tout retrait ultérieur dudit pivot.The pivot 11 of each link 10 has a diameter adapted to, as mentioned above, extend through the guide light 21. This pivot 11 is, moreover, provided with a circular head 14 of diameter suitable for be able to be inserted into the orifice 22, in order to subsequently maintain said pivot inside the guide light 21. For this purpose, once the pivot 11 placed in the guide light 21, a shutter is positioned in the orifice 22 in order to avoid any subsequent withdrawal of said pivot.

Le pivot 12 de chaque biellette 10 présente quant à lui la forme d'un manchon cylindrique ouvert longitudinalement, adapté pour s'encliqueter sur un fourreau intermédiaire cylindrique 15 lui-même ouvert longitudinalement, et dont la forme interne définit une portée adaptée pour s'encliqueter sur le profilé supérieur 2b de la lame supérieure 2a du tablier 1.The pivot 12 of each link 10 has meanwhile the shape of a cylindrical sleeve open longitudinally, suitable for snap onto a cylindrical intermediate sleeve 15 which is itself open longitudinally, and whose internal shape defines a range suitable for snap onto the upper profile 2b of the upper blade 2a of the deck 1.

De plus, ce pivot 12 comporte une jupe 32 d'appui frontal sur la lame supérieure 2a du tablier 1, lors du verrouillage, adaptée pour rigidifier et empêcher la flexion de ladite lame lors de ce verrouillage, et ainsi éviter des ruptures par fatigue.In addition, this pivot 12 includes a skirt 32 of front support on the upper blade 2a of the deck 1, during locking, adapted to stiffen and prevent the flexing of said blade during this locking, and thus avoid fatigue ruptures.

Tel que représenté à la figure 3, l'assemblage biellette 10/lame supérieure 2a est réalisé selon les étapes suivantes:

  • encliquetage du fourreau intermédiaire 15 sur le profilé supérieur 2b de la lame supérieure 2a sur un tronçon de cette dernière éloigné de son extrémité,
  • encliquetage du manchon cylindrique 12 sur l'extrémité du profilé supérieur 2b de la lame supérieure 2a,
  • verrouillage de la liaison manchon 12/profilé supérieur 2b par coulissement du fourreau intermédiaire 15 à l'intérieur dudit manchon.
As shown in FIG. 3, the link 10 / upper blade 2a assembly is carried out according to the following steps:
  • snap-fastening of the intermediate sheath 15 on the upper section 2b of the upper strip 2a on a section of the latter away from its end,
  • snap-fitting of the cylindrical sleeve 12 onto the end of the upper profile 2b of the upper blade 2a,
  • locking of the sleeve 12 / upper section 2b link by sliding the intermediate sleeve 15 inside said sleeve.

Chaque biellette 10 comprend, enfin, un gousset 23 de rigidification de la liaison entre ladite biellette et le pivot 12.Each link 10 comprises, finally, a gusset 23 of stiffening of the connection between said link and pivot 12.

Tel que représenté aux figures, les dimensions de la biellette 10 relativement à celles de l'évidement 9, sont adaptées pour permettre à ladite biellette de s'escamoter entièrement dans ledit évidement, et de remplir un pourcentage maximal de la surface de ce dernier.As shown in the figures, the dimensions of the rod 10 relative to those of the recess 9, are adapted to allow said rod to retract entirely into said recess, and to fill a maximum percentage of the surface of the latter.

Le dispositif anti-relevage comprend, enfin, une butée de blocage 16 consistant en un pion solidarisé à chaque flasque 8 par insertion dudit pion dans un alésage tel que 17 ménagé dans ledit flasque, de façon à venir buter dans l'encoche 13 de la biellette 10 dans la position basse déroulée du tablier 1.The anti-lift device finally comprises a stop blocking 16 consisting of a pin secured to each flange 8 by insertion of said pin in a bore such as 17 formed in said flange, so as to abut in the notch 13 of the link 10 in the lower unwound position of the deck 1.

De plus, chaque flasque 8 présente une pluralité d'alésages 17 répartis le long d'une courbe circulaire centrée sur l'axe de rotation (x) de façon à permettre d'affiner la position de blocage de la biellette 10. Il est à noter que cet ajustage peut également être obtenu en déplaçant la butée 16 dans une lumière dotée de crans de blocage.In addition, each flange 8 has a plurality of bores 17 distributed along a circular curve centered on the axis of rotation (x) of so as to refine the locking position of the link 10. It should be noted that this adjustment can also be obtained by moving the stop 16 in a light with locking notches.

En dernier lieu, les bords périphériques respectifs 8a, 9a, 10b des flasques 8, des évidements 9 et des biellettes 10 présentent un profil oblique, de façon à faciliter le glissement sans heurt des lames 2 lors des manoeuvres du tablier 1.Finally, the respective peripheral edges 8a, 9a, 10b of the flanges 8, of the recesses 9 and of the links 10 have a profile oblique, so as to facilitate the smooth sliding of the blades 2 during deck operations 1.

Le fonctionnement du dispositif anti-relevage ci-dessus décrit est le suivant: lors du déroulement du tablier 1, la biellette 10 est adaptée pour pivoter vers une position déployée dans laquelle le pivot 12 est radialement plus éloigné de l'axe de l'arbre d'enroulement 3 que le pivot 11, obtenue en fin de déroulement du tablier 1 tel que représenté aux figures 1 et 5, par blocage de ladite biellette par le pion 16, ou de la face frontale arrière 10a de la biellette 10 contre l'arbre d'enroulement, suivant les réglages de la hauteur du tablier 1.The operation of the above anti-lift device described is as follows: during the course of the deck 1, the link 10 is adapted to pivot to a deployed position in which the pivot 12 is radially further from the axis of the winding shaft 3 than the pivot 11, obtained at the end of unfolding of the deck 1 as shown in Figures 1 and 5, by blocking said link by the pin 16, or from the rear front face 10a of the link 10 against the winding shaft, according to the height adjustments of the deck 1.

Dans cette position, en outre, le pivot 11 se trouve disposé en butée contre une des extrémités de la lumière de guidage 21.In this position, moreover, the pivot 11 is arranged in abutment against one of the ends of the guide light 21.

Par la suite, tel que représenté aux figures 5 à 11, lorsque le tablier 1 est enroulé par l'intermédiaire des moyens d'entraínement en rotation de l'arbre d'enroulement 3, la biellette 10 est amenée initialement à pivoter autour du pivot 11 de façon à s'escamoter dans l'évidement 9 du flasque 8, position escamotée dans laquelle elle se trouve maintenue lorsque l'enroulement est poursuivi.Thereafter, as shown in Figures 5 to 11, when the apron 1 is wound up by means of drive in rotation of the winding shaft 3, the rod 10 is initially made to pivot around the pivot 11 so as to retract into the recess 9 of the flange 8, position retracted in which it is held when the winding is for follow-up.

De plus, en début d'enroulement, le pivot 11 coulisse dans la lumière de guidage 21 de sorte, qu'à aucun moment, le poids du tablier 1 n'est supporté par les biellettes 10. Il est à noter, en outre, tel que représenté aux figures 6 à 11, que la longueur de la lumière de guidage 21 est adaptée pour que, lorsque les bandes souples se trouvent entièrement tendues, le pivot 11 se trouve à distance de l'extrémité de ladite lumière de guidage opposée à l'orifice 22. Cette disposition permet, en effet, de garantir qu'à aucun moment le tablier 1 ne se trouve soutenu par les biellettes 10.In addition, at the start of winding, the pivot 11 slides in the guide light 21 so that, at no time, the weight of the deck 1 is supported by the rods 10. It should be noted, moreover, as shown in FIGS. 6 to 11, that the length of the guide light 21 is adapted so that, when the flexible bands are fully tensioned, the pivot 11 is at a distance from the end of said guide light opposite the orifice 22. This provision makes it possible, in fact, to guarantee that at no time the deck 1 is not is supported by the links 10.

Claims (15)

Dispositif anti-relevage de sécurité pour des volets roulants comportant: un tablier (1) comprenant une pluralité de laines (2), dont une lame supérieure (2a), articulées les unes par rapport aux autres, un arbre d'enroulement (3) d'axe de rotation (x), relié à la lame supérieure (2a) du tablier (1) par des moyens d'attache (20) en vue de permettre l'enroulement et le déroulement dudit tablier autour dudit arbre, des moyens d'entraínement en rotation de l'arbre d'enroulement (3) aptes à permettre de dérouler le tablier (1) dans une position basse déroulée où il obture une ouverture, et d'enrouler le tablier (1) dans une position haute enroulée où ce dernier est enroulé sur sa plus grande longueur autour dudit arbre d'enroulement et où il dégage l'ouverture, et des moyens (7) de guidage du tablier (1) adaptés pour assurer le guidage et le maintien de ce dernier,
ledit dispositif anti-relevage étant caractérisé en ce qu'il comporte: . au moins un flasque (8) solidaire de l'arbre d'enroulement (3), positionné de façon à s'étendre en bordure d'un des côtés latéraux du tablier (1), . associée à chaque flasque (8), une biellette (10) s'étendant latéralement en bordure du tablier (1), et articulée autour de deux axes (11, 12) solidaires respectivement de la lame supérieure (2a) dudit tablier et dudit flasque, lesdits axes étant ménagés de façon que la biellette (10) pivote entre une position radialement déployée obtenue dans la position basse déroulée dudit tablier, dans laquelle la distance radiale entre l'axe (12) solidaire de la lame supérieure (2a) et l'arbre d'enroulement (3) est supérieure à celle entre l'axe (11) solidaire du flasque (8) et ledit arbre d'enroulement, et une position radialement escamotée contre l'arbre d'enroulement (3) obtenue lors de l'enroulement dudit tablier, . des moyens de butée (10a, 13, 16) de blocage automatique de chaque biellette (10) relativement au flasque (8) correspondant dans la position radialement déployée de ladite biellette. Safety anti-lift device for roller shutters comprising: an apron (1) comprising a plurality of wools (2), including an upper blade (2a), articulated with respect to each other, a winding shaft (3) of axis of rotation (x), connected to the upper blade (2a) of the deck (1) by attachment means (20) in order to allow the winding and unwinding of said apron around said tree, means for rotating the winding shaft (3) capable of allowing the deck (1) to be unwound in a low unwound position where it closes an opening, and to wind the deck (1) in a position high wound where the latter is wound over its greatest length around said winding shaft and where it clears the opening, and means (7) for guiding the deck (1) suitable for guiding and maintaining the latter,
said anti-lifting device being characterized in that it comprises: . at least one flange (8) integral with the winding shaft (3), positioned so as to extend at the edge of one of the lateral sides of the deck (1), . associated with each flange (8), a link (10) extending laterally at the edge of the apron (1), and articulated around two axes (11, 12) secured respectively to the upper blade (2a) of said apron and said flange , said axes being arranged so that the link (10) pivots between a radially deployed position obtained in the lower unwound position of said deck, in which the radial distance between the axis (12) secured to the upper blade (2a) and l 'winding shaft (3) is greater than that between the axis (11) integral with the flange (8) and said winding shaft, and a radially retracted position against the winding shaft (3) obtained during the winding of said apron, . stop means (10a, 13, 16) for automatically locking each link (10) relative to the corresponding flange (8) in the radially deployed position of said link. Dispositif anti-relevage selon la revendication 1, caractérisé en ce que: chaque flasque (8) est percé d'une lumière (21), dite lumière de guidage, présentant la forme d'un secteur circulaire centré sur l'axe de rotation (x), chaque biellette (10) est articulée sur un flasque (8) autour d'un axe (11), dit axe mobile, logé dans la lumière de guidage (21) dudit flasque, lesdits axe mobile et lumière de guidage étant ménagés de façon que l'axe mobile (11) soit en butée contre une des extrémités de la lumière de guidage (21) dans la position radialement déployée de la biellette (10), et se déplace en direction de l'autre extrémité de ladite lumière de guidage en début d'enroulement du tablier (1). Anti-lifting device according to claim 1, characterized in that: each flange (8) is pierced with a light (21), called guide light, having the shape of a circular sector centered on the axis of rotation (x), each link (10) is articulated on a flange (8) about an axis (11), said mobile axis, housed in the guide light (21) of said flange, said mobile axis and guide light being arranged so that the movable axis (11) is in abutment against one of the ends of the guide light (21) in the radially deployed position of the rod (10), and moves in the direction of the other end of said guide light in start of winding of the deck (1). Dispositif anti-relevage selon la revendication 2, caractérisé en ce que: l'axe mobile (11) comporte une tête (14) de guidage et de maintien latéral dudit axe dans la lumière de guidage (21), la lumière de guidage (21) est prolongée, au niveau d'une de ses extrémités, par un orifice (22) de section conjuguée de celle de la tête (14) de l'axe mobile (11), d'introduction de cette dernière, ledit orifice étant adapté pour être obturé par un obturateur, une fois l'axe mobile (11) introduit dans ladite lumière de guidage. Anti-lifting device according to claim 2, characterized in that: the movable axis (11) comprises a head (14) for guiding and lateral retention of said axis in the guide lumen (21), the guide lumen (21) is extended, at one of its ends, by an orifice (22) of cross section conjugate with that of the head (14) of the movable axis (11), for introducing this last, said orifice being adapted to be closed by a shutter, once the movable axis (11) introduced into said guide lumen. Dispositif anti-relevage selon l'une des revendications 2 ou 3, caractérisé en ce que la lumière de guidage (21) forme un secteur circulaire d'angle au sommet compris entre 90° et 180°.Anti-lifting device according to one of claims 2 or 3, characterized in that the guide light (21) forms a circular sector angle at the top between 90 ° and 180 °. Dispositif anti-relevage selon l'une des revendications 1 à 4, caractérisé en ce que les moyens de butée comportent, pour chaque biellette (10), une face frontale (10a), dite postérieure, de ladite biellette s'étendant à l'opposé de l'axe (12) solidaire de la lame supérieure (2a), de forme adaptée pour venir tangenter et se bloquer contre l'arbre d'enroulement (3), dans la position radialement déployée de ladite biellette.Anti-lifting device according to one of claims 1 to 4, characterized in that the stop means comprise, for each link (10), a front face (10a), called the rear face, of said link extending to the opposite of the axis (12) integral with the upper blade (2a), of a shape suitable for come to tangent and lock against the winding shaft (3), in the position radially deployed from said link. Dispositif anti-relevage selon l'une des revendications 1 à 5, caractérisé en ce que les moyens de butée comprennent, montée sur chaque flasque (8), une butée de blocage (16) solidaire dudit flasque, positionnée de façon à former une genouillère avec les axes d'articulation (11, 12) de la biellette (10) et à assurer le verrouillage de ladite genouillère dans la position déployée de ladite biellette.Anti-lifting device according to one of claims 1 to 5, characterized in that the stop means comprise, mounted on each flange (8), a locking stop (16) integral with said flange, positioned so as to form a toggle joint with the hinge pins (11, 12) of the link (10) and to ensure the locking of said toggle joint in the deployed position of said link. Dispositif anti-relevage selon la revendication 6, caractérisé en ce qu'il comprend des moyens de réglage (17) de la position de la butée de blocage (16), aptes à permettre d'ajuster la position de blocage de ladite biellette.Anti-lifting device according to claim 6, characterized in that it comprises means (17) for adjusting the position of the blocking stop (16), suitable for adjusting the blocking position of said block link. Dispositif anti-relevage selon la revendication 7, caractérisé en ce que: la biellette (10) comporte une portion de contour convexe relativement à l'axe mobile, dotée d'une encoche (13) apte à loger la butée de blocage (16), les moyens de réglage (17) de la position de ladite butée sont adaptés pour permettre d'ajuster sa position le long d'une trajectoire circulaire centrée sur l'axe de rotation (x) et sécante par rapport à l'encoche (13) dans la position déployée de la biellette. Anti-lifting device according to claim 7, characterized in that: the connecting rod (10) comprises a portion of convex contour relative to the movable axis, provided with a notch (13) capable of housing the locking stop (16), the means for adjusting (17) the position of said stopper are adapted to allow its position to be adjusted along a circular trajectory centered on the axis of rotation (x) and intersecting with respect to the notch (13) in the deployed position of the link. Dispositif anti-relevage selon l'une des revendications 1 à 8, caractérisé en ce que chaque flasque (8) est disposé de façon à tangenter sensiblement le côté latéral en vis-à-vis du tablier (1), ledit flasque présentant un évidement formant une échancrure (9) de forme adaptée pour loger la biellette (10) lors des pivotements de cette dernière entre ses positions déployée et escamotée.Anti-lifting device according to one of claims 1 to 8, characterized in that each flange (8) is arranged so as to tangent substantially the lateral side facing the apron (1), said flange having a recess forming a notch (9) of a shape adapted to accommodate the rod (10) during pivoting of the latter between its deployed positions and retracted. Dispositif anti-relevage selon la revendication 9, caractérisé en ce que l'évidement (9) de chaque flasque (8) présente une profondeur conjuguée de l'épaisseur de la biellette (10).Anti-lifting device according to claim 9, characterized in that the recess (9) of each flange (8) has a combined depth of the thickness of the link (10). Dispositif anti-relevage selon l'une des revendications 9 ou 10, caractérisé en ce que l'évidement (9) de chaque flasque (8) et chaque biellette (10) comportent des bords (9a, 10b) à profil oblique.Anti-lift device according to one of the claims 9 or 10, characterized in that the recess (9) of each flange (8) and each connecting rod (10) have edges (9a, 10b) with oblique profile. Dispositif anti-relevage selon l'une des revendications précédentes, dans lequel chaque lame (2) du tablier (1) comporte des profilés inférieur et supérieur (2b) d'articulation sur les lames juxtaposées, caractérisé en ce que l'axe d'articulation de chaque biellette (10) sur la lame supérieure (2a) dudit tablier comporte un manchon (12) perpendiculaire à ladite biellette, de forme adaptée pour s'encliqueter sur le profilé supérieur (2b) de ladite lame supérieure avec une liberté de rotation par rapport à ce dernier.Anti-lift device according to one of the claims previous, in which each blade (2) of the deck (1) comprises profiles lower and upper (2b) of articulation on the juxtaposed blades, characterized in what the hinge axis of each link (10) on the upper blade (2a) of said apron comprises a sleeve (12) perpendicular to said link, of shape adapted to snap onto the upper profile (2b) of said blade superior with a freedom of rotation compared to the latter. Dispositif anti-relevage selon la revendication 12, caractérisé en ce qu'il comprend un fourreau intermédiaire cylindrique (15) de forme interne adaptée pour s'encliqueter sur le profilé supérieur (2b) de la lame supérieure (2a), le manchon (12) solidaire de la biellette (10) présentant une forme cylindrique conjuguée de celle dudit fourreau.Anti-lifting device according to claim 12, characterized in that it comprises a cylindrical intermediate sheath (15) of internal shape adapted to snap onto the upper profile (2b) of the blade upper (2a), the sleeve (12) integral with the rod (10) having a cylindrical shape combined with that of said sheath. Dispositif anti-relevage selon l'une des revendications précédentes caractérisé en ce que chaque flasque (8) comporte un manchon axial (30) de forme adaptée pour se loger dans le tronçon d'extrémité de l'arbre d'enroulement (3), et des moyens de fixation dudit arbre d'enroulement audit manchon.Anti-lift device according to one of the claims previous characterized in that each flange (8) has an axial sleeve (30) of a shape adapted to be housed in the end section of the shaft winding (3), and means for fixing said winding shaft to said muff. Dispositif anti-relevage selon la revendication 14, caractérisé en ce que chaque manchon (30) forme un palier apte à loger un axe (31) de liaison de l'arbre d'enroulement (3) avec le coffre de volet roulant.Anti-lifting device according to claim 14, characterized in that each sleeve (30) forms a bearing capable of accommodating an axis (31) connecting the winding shaft (3) with the roller shutter box.
EP00390003A 1999-02-05 2000-01-24 Security device against the lifting of roller shutters Expired - Lifetime EP1026363B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9901355A FR2789436B1 (en) 1999-02-05 1999-02-05 ANTI-LIFTING DEVICE FOR ROLLING SHUTTER
FR9901355 1999-02-05
FR9907822A FR2789437B1 (en) 1999-02-05 1999-06-21 ANTI-LIFTING DEVICE FOR ROLLING SHUTTER
FR9907822 1999-06-21

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EP1026363A1 true EP1026363A1 (en) 2000-08-09
EP1026363B1 EP1026363B1 (en) 2002-04-24

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EP00390003A Expired - Lifetime EP1026363B1 (en) 1999-02-05 2000-01-24 Security device against the lifting of roller shutters

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EP (1) EP1026363B1 (en)
AT (1) ATE216752T1 (en)
DE (1) DE60000135T2 (en)
ES (1) ES2173847T3 (en)
FR (1) FR2789437B1 (en)
PT (1) PT1026363E (en)

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FR2835277B1 (en) 2002-01-29 2005-02-18 Midi Moulages Plast SHAFT WITH MANEUVER STRAP WITH ANTI-LIFTING DEVICE
FR2849893B1 (en) 2003-01-10 2005-09-09 Pierre Antoniucci DEVICE FOR AUTOMATICALLY LOCKING AND UNLOCKING THE LOW END BLADE OF A SHUTTER
FR2987393B1 (en) 2012-02-24 2014-02-21 Profilmar DEVICE FOR AUTOMATICALLY LOCKING AND UNLOCKING THE APRON OF A CURTAIN, SHUTTER OR SECTIONAL DOOR

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DE2825059A1 (en) * 1978-06-08 1979-12-13 Pade Guenter J A Automatic lock for closed roller shutter - locks automatically by eccentric lever on closing against unauthorised opening upwards
DE9101307U1 (en) * 1991-02-06 1991-04-25 Eckermann, Thomas, 6384 Schmitten Device for hanging a roller shutter curtain on a shaft mounted in the roller shutter box
FR2696779A1 (en) * 1992-10-12 1994-04-15 Peyrichou Fermetures Henri Automatic safety lock arrangement for slatted roll shutters - includes curved section which comes into contact with fixed end piece locking the shutter open
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2919335A1 (en) * 2007-07-25 2009-01-30 Midi Moulages Plast DEVICE FOR CONNECTING A ROTATING SHAFT TO A ROLLER SHUTTER ARTICULATED BLADES APRON ENABLING IN PARTICULAR A SAFETY ANTI-LIFTING FUNCTION.
EP2022927A1 (en) 2007-07-25 2009-02-11 Moulages Plastiques du Midi Connection device between a rotating shaft and an apron of interlocking slats of a roller shutter providing in particular an anti-raising security function

Also Published As

Publication number Publication date
DE60000135T2 (en) 2002-11-28
PT1026363E (en) 2002-09-30
ES2173847T3 (en) 2002-11-01
DE60000135D1 (en) 2002-05-29
EP1026363B1 (en) 2002-04-24
ATE216752T1 (en) 2002-05-15
FR2789437B1 (en) 2001-06-08
FR2789437A1 (en) 2000-08-11

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