EP0391820B1 - Operating device for roller blinds - Google Patents
Operating device for roller blinds Download PDFInfo
- Publication number
- EP0391820B1 EP0391820B1 EP90440016A EP90440016A EP0391820B1 EP 0391820 B1 EP0391820 B1 EP 0391820B1 EP 90440016 A EP90440016 A EP 90440016A EP 90440016 A EP90440016 A EP 90440016A EP 0391820 B1 EP0391820 B1 EP 0391820B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- double
- rod
- walled
- insert
- operating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
- E06B9/60—Spring drums operated only by closure members
-
- 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
- E06B9/02—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
- E06B2009/1533—Slat connections
- E06B2009/1572—Locking means to prevent slat disengagement
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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
- E06B2009/1577—Slat end pieces used for guiding shutter
- E06B2009/1583—Slat end pieces used for guiding shutter inserted in slat cavity
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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
- E06B2009/1577—Slat end pieces used for guiding shutter
- E06B2009/1588—Slat end pieces used for guiding shutter inserted in engaging section of adjacent slats
Definitions
- the invention relates to a device for driving a rolling shutter, the deck of which moves at a slight inclination and comprising a shaft for winding and / or unwinding the deck formed from thin double-walled blades provided at each of their ends.
- lateral of gripping means formed by slots made in said lateral ends and provided with reinforcements constituted by an insert inserted laterally into the edge of the thin double-walled blade and also having a lumen situated in line with the lumens of the thin double-walled blades wall, these gripping means cooperating with cam wheels having an idle stroke between each tooth and placed at each of the lateral ends of a second drive shaft disposed downstream relative to the winding shaft and / or unwinding, these shafts being held by lateral flanges of a box on which abut the guide rails in which They slide the lateral ends of the thin double-walled slats of the deck.
- EP-A-0317461 already discloses a device for driving a roller shutter corresponding to the preamble of claim 1.
- the various blades of the deck are connected together by telescopic joints to, on the one hand, ensure a certain rotation of a blade relative to its neighbor to allow winding (or unwinding of the deck) on (de ) the winding and / or unwinding shaft and, on the other hand, facilitate a certain displacement of the blades relative to their longitudinal axis to free the days made in the head of the blade.
- the latter has a hook-shaped folded lip which is threaded laterally into the heel of the next blade, this heel having a gutter open downwards and integral with the front wall of the thin double-walled blade and an oriented hook towards the internal space of the gutter and integral with the rear wall of the thin double-walled blade.
- document EP-A-0145628 discloses a device for driving a rolling shutter for glass verandah roofs, roof dormers and the like, the deck of which moves at a slight inclination.
- This device comprises a winding and / or unwinding shaft for said deck.
- the latter is formed of blades threaded laterally and connected together by a joint.
- Each blade is provided, at each of its ends, with gripping means constituted by a single stud projecting from the lateral edges of the blades.
- These gripping means cooperate with cam wheels whose teeth have flanks made up of an involute of a circle. These cam wheels have, between each tooth, an idle stroke to absorb the variation in the distance between two consecutive pins according to the movement of the deck.
- cam wheels are arranged at each end of a second drive shaft and are integral in rotation with the latter, this second drive shaft being arranged downstream relative to the winding shaft and / or unfolding.
- These shafts are held by lateral flanges of a box in which the apron is wound and from which the deck takes place, the lateral ends of the blades of which slide in guide rails integral with the box.
- this known device has a certain number of drawbacks, in particular it cannot be used for roller shutters whose deck is formed from thin double-walled blades. Indeed, it is necessary that the gripping pins have a resistance greater than the torque of the electric motor actuating the drive shaft to transmit any blocking of the deck to the cam wheels and, consequently, to the shaft of drive to cause the latter to disengage from the electric motor. This resistance can only be obtained by giving the nipples a relatively large diameter, which would automatically increase the winding diameter of the deck and would lose the advantage of using thin double-walled blades.
- the object of the present invention is to remedy these drawbacks and proposes to provide a device for driving a roller shutter curtain made up of thin double-walled blades, the displacement of a thin double-walled blade relative to its neighbor is condemned.
- the invention as characterized in the claims solves the problem of creating a drive device for a roller shutter, the deck of which moves at a slight inclination and comprising a winding and / or unwinding shaft.
- apron formed of thin double-walled blades provided at each of their lateral ends with gripping means formed by the openings made in said lateral ends and provided with reinforcements constituted by an insert inserted laterally into the edge of the thin double-walled blade and also having a lumen located in line with the lumens of the thin double-walled blades, these gripping means cooperating with cam wheels having a vacuum course between each tooth and placed at each of the lateral ends of a second drive shaft disposed downstream with respect to the winding and / or unwinding shaft, these shafts being held pa r side flanges of a box on which abut the guide rails in which the lateral ends of the thin double-walled blades of the apron slide, the insert of which, on the side of its edge directed towards the heel
- FIG. 1 represents a perspective view of one of the lateral ends of the upper end of a rolling shutter comprising an apron formed from thin double-walled blades provided with an insert in accordance with the invention.
- Figure 2 shows an elevational view of an apron according to the invention.
- FIG. 3 represents an exploded view of the end of a thin double-walled blade and of an insert according to the invention.
- the roller shutter 1 comprises an apron 2 moving at a slight inclination and winding or unwinding from a winding and / or unwinding shaft 3.
- This apron 2 consists of thin double-walled blades 4, 5, 6 interconnected by telescopic joints 7, 8, 9. These thin double-walled blades 4, 5, 6 are formed by a front wall 10 and a rear wall 11. The front walls 10 and rear 11 are connected between them by a head 12 comprising a lip 13 folded in the form of a hook.
- the thin double-walled blade 4, 5, 6 has a heel 15.
- This heel 15 has a gutter 16 open downward and integral with the front wall 10 and a hook 17 oriented towards the internal space 18 of the gutter 16 and integral with the rear wall 11 of the thin double-walled blade 4, 5, 6.
- the head 12 of the thin downstream double-walled blade 6 is laterally threaded into the heel 15 of the upstream double-walled thin blade 5, so that the active face 19 of the lip 13 of the thin double-walled blade downstream 6 is hooked to the active face 20 of the hook 17 of the heel 15 of the double-walled thin blade 5, 6, constitutes the articulation 7, 8, 9 allowing one of the thin double-walled blades 5 to pivot relative to the neighboring thin double-walled blade 6 to allow winding of the deck 2 on the winding and / or unwinding shaft 3.
- the telescopic travel of the articulation 7, 8, 9 is a function of the height 21 of the head 12 and the depth 22 of the gutter 16.
- Each thin double-walled blade 4, 5, 6 is provided at each of its lateral ends 23, 24, 25 with gripping means constituted by slots 26, 27, 28 produced in said lateral ends 23, 24, 25 and passing through right through, the thin double-walled blade 4, 5, 6. Because of their small thickness, reinforcement formed by inserts 29, 30, 31 is introduced laterally into the thin double-walled blades 4, 5, 6 In these inserts 29, 30, 31 are made of the lights 32, 33, 34 which, after placement of these inserts 29, 30, 31 in the thin double-walled blades 4, 5, 6, are in the same alignment as the lights 26, 27, 28 of the latter.
- the upper edge 35 of the inserts 29, 30, 31 abuts against the head 12 while the lower edge 36 abuts against the bottom 37 of the gutter 16.
- the slots 26, 27, 28 and 32, 33, 34 cooperate with teeth 38, 39 of a cam wheel 40 placed at each of the ends 41 of a drive shaft 42 disposed downstream relative to the shaft winding and / or unwinding 3.
- This drive shaft 42 exerts a thrust on the deck 2 for the deployment of the latter.
- winding and / or unwinding shaft 3 and the drive shaft 42 are held by lateral flanges 43 of a box 44 on which abut guide rails 45 in which the lateral ends 23, 24 slide, 25 thin double-walled blades 4, 5, 6.
- the inserts 29, 30, 31 are provided with means 46 preventing any movement of the thin double-walled blades 4, 5, 6 relative to their longitudinal axis 47.
- These means 46 are located on the side of the bottom edge 36 of the inserts 29, 30, 31 and come to engage in the gutter 16, therefore said means 46 are located on the side of the heel 15 of thin double-walled blades 4, 5, 6.
- these means 46 are a rod, one of the ends 48 of which is integral with the external lateral edge 49 of the insert 29, 30, 31.
- This rod 46 has a longitudinal axis 50 parallel to the longitudinal axis 47 thin double-walled blades 4, 5, 6.
- the free end 51 of this rod 46 is located on the side of the median axis of the deck 2.
- the inserts 29, 30, 31 are molded plastic parts and the rods 46 form a block with the bodies 52 of said inserts 29, 30, 31.
- the external lateral edge 49 has an extension in which is inserted one of the ends of an attached rod which may be a metal rod.
- the length 53 of the rod 46 is equal to the length 54 of the inserts 29, 30, 31.
- the length 53 of the rod 46 is greater than the length 54 of the inserts 29, 30, 31.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Blinds (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Surgical Instruments (AREA)
- Handcart (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Feeding And Guiding Record Carriers (AREA)
- Support Devices For Sliding Doors (AREA)
Abstract
Description
L'invention concerne un dispositif d'entraînement d'un volet roulant dont le tablier se déplace selon une faible inclinaison et comprenant un arbre d'enroulement et/ou de déroulement du tablier formé de lames fines à double paroi pourvues à chacune de leurs extrémités latérales de moyens de préhension formés par des lumières réalisées dans lesdites extrémités latérales et pourvues de renforts constitués d'un insert introduit latéralement dans le chant de la lame fine à double paroi et présentant également une lumière située au droit des lumières des lames fines à double paroi, ces moyens de préhension coopérant avec des roues à came présentant une course à vide entre chaque dent et placées à chacune des extrémités latérales d'un second arbre d'entraînement disposé en aval par rapport à l'arbre d'enroulement et/ou de déroulement, ces arbres étant maintenus par des flasques latéraux d'un caisson sur lequel aboutent le rails de guidage dans lesquels glissent les extrémités latérales des lames fine à double paroi du tablier.The invention relates to a device for driving a rolling shutter, the deck of which moves at a slight inclination and comprising a shaft for winding and / or unwinding the deck formed from thin double-walled blades provided at each of their ends. lateral of gripping means formed by slots made in said lateral ends and provided with reinforcements constituted by an insert inserted laterally into the edge of the thin double-walled blade and also having a lumen situated in line with the lumens of the thin double-walled blades wall, these gripping means cooperating with cam wheels having an idle stroke between each tooth and placed at each of the lateral ends of a second drive shaft disposed downstream relative to the winding shaft and / or unwinding, these shafts being held by lateral flanges of a box on which abut the guide rails in which They slide the lateral ends of the thin double-walled slats of the deck.
On connaît déjà, par le document EP-A-0317461 un dispositif d'entraînement d'un volet roulant correspondant au préambule de la revendication 1.EP-A-0317461 already discloses a device for driving a roller shutter corresponding to the preamble of claim 1.
Toutefois, les différentes lames du tablier sont reliées entre elles par des articulations télescopiques pour, d'une part, assurer une certaine rotation d'une lame par rapport à sa voisine pour permettre l'enroulement (ou le déroulement du tablier) sur (de) l'arbre d'enroulement et/ou de déroulement et, d'autre part, faciliter un certain déplacement des lames par rapport à leur axe longitudinal pour libérer les jours réalisés dans la tête de la lame. Cette dernière comporte une lèvre repliée en forme de crochet que l'on enfile latéralement dans le talon de la lame suivante, ce talon présentant une gouttière ouverte vers le bas et solidaire de la paroi avant de la lame fine à double paroi et un crochet orienté vers l'espace interne de la gouttière et solidaire de la paroi arrière de la lame fine à double paroi.However, the various blades of the deck are connected together by telescopic joints to, on the one hand, ensure a certain rotation of a blade relative to its neighbor to allow winding (or unwinding of the deck) on (de ) the winding and / or unwinding shaft and, on the other hand, facilitate a certain displacement of the blades relative to their longitudinal axis to free the days made in the head of the blade. The latter has a hook-shaped folded lip which is threaded laterally into the heel of the next blade, this heel having a gutter open downwards and integral with the front wall of the thin double-walled blade and an oriented hook towards the internal space of the gutter and integral with the rear wall of the thin double-walled blade.
En position ajourée, la pluie et la neige pénètre à travers ces jours dans les articulations distendues et, en cas de gel, les articulations sont bloquées par la glace. Sachant que la glace permet, malgré sa présence, le pivotement d'une lame par rapport à l'autre et qu'elle empêche tout rapprochement ou écartement de deux lames consécutives, il s'avère souhaitable de diminuer, au point de rotation, le volume de glace.In the open position, rain and snow penetrate through these days into the distended joints and, in the event of frost, the joints are blocked by ice. Knowing that ice allows, despite its presence, the pivoting of one blade relative to the other and that it prevents any bringing together or separation of two consecutive blades, it turns out to be desirable to reduce, at the point of rotation, the volume of ice.
Par ailleurs, on connaît, par le document EP-A-0145628, un dispositif d'entraînement d'un volet roulant pour toits de vérandas en verre, lucarnes de toiture et autres dont le tablier se déplace selon une faible inclinaison. Ce dispositif comprend un arbre d'enroulement et/ou de déroulement dudit tablier. Ce dernier est formé de lames enfilées latéralement et reliées entre elles par une articulation. Chaque lame est pourvue, à chacune de ses extrémités, de moyens de préhension constitués d'un téton unique faisant saillie par rapport aux chants latéraux des lames. Ces moyens de préhension coopèrent avec des roues à came dont les dents présentent des flancs constitués d'une développante de cercle. Ces roues à came comportent, entre chaque dent, une course à vide pour absorber la variation de la distance entre deux tétons consécutifs en fonction du mouvement du tablier. Ces roues à cames sont disposées à chacune des extrémités d'un second arbre d'entraînement et sont solidaires en rotation de ce dernier, ce second arbre d'entraînement étant disposé en aval par rapport à l'arbre d'enroulement et/ou de déroulement. Ces arbre sont maintenus par des flasques latéraux d'un caisson dans lequel s'enroule et duquel se déroule le tablier dont les extrémités latérales des lames coulissent dans des rails de guidage solidaires du caisson.Furthermore, document EP-A-0145628 discloses a device for driving a rolling shutter for glass verandah roofs, roof dormers and the like, the deck of which moves at a slight inclination. This device comprises a winding and / or unwinding shaft for said deck. The latter is formed of blades threaded laterally and connected together by a joint. Each blade is provided, at each of its ends, with gripping means constituted by a single stud projecting from the lateral edges of the blades. These gripping means cooperate with cam wheels whose teeth have flanks made up of an involute of a circle. These cam wheels have, between each tooth, an idle stroke to absorb the variation in the distance between two consecutive pins according to the movement of the deck. These cam wheels are arranged at each end of a second drive shaft and are integral in rotation with the latter, this second drive shaft being arranged downstream relative to the winding shaft and / or unfolding. These shafts are held by lateral flanges of a box in which the apron is wound and from which the deck takes place, the lateral ends of the blades of which slide in guide rails integral with the box.
Toutefois, ce dispositif connu présente un certain nombre d'inconvénients, notamment il ne peut être utilisé pour des volets roulants dont le tablier est formé de lames fines à double paroi. En effet, il est nécessaire que les tétons de préhension comportent une résistance supérieure au couple du moteur électrique actionnant l'arbre d'entraînement pour transmettre tout blocage du tablier aux roues à came et, par voie de conséquence, à l'arbre d'entraînement pour provoquer le débrayage de ce dernier par rapport au moteur électrique. Cette résistance ne peut être obtenue qu'en conférant aux tétons un diamètre relativement important, ce qui augmenterait automatiquement le diamètre d'enroulement du tablier et ferait perdre l'avantage de l'utilisation de lames fines à double paroi.However, this known device has a certain number of drawbacks, in particular it cannot be used for roller shutters whose deck is formed from thin double-walled blades. Indeed, it is necessary that the gripping pins have a resistance greater than the torque of the electric motor actuating the drive shaft to transmit any blocking of the deck to the cam wheels and, consequently, to the shaft of drive to cause the latter to disengage from the electric motor. This resistance can only be obtained by giving the nipples a relatively large diameter, which would automatically increase the winding diameter of the deck and would lose the advantage of using thin double-walled blades.
La présente invention a pour but de remédier à ces inconvénients et se propose de fournir un dispositif d'entraînement d'un tablier de volet roulant constitué de lames fines à double paroi dont le déplacement d'une lame fine à double paroi par rapport à sa voisine est condamné.The object of the present invention is to remedy these drawbacks and proposes to provide a device for driving a roller shutter curtain made up of thin double-walled blades, the displacement of a thin double-walled blade relative to its neighbor is condemned.
L'invention telle qu'elle est caractérisée dans les revendications résout le problème consistant à créer un dispositif d'entraînement d'un volet roulant dont le tablier se déplace selon une faible inclinaison et comprenant un arbre d'enroulement et/ou de déroulement du tablier formé de lames fines à double paroi pourvues à chacune de leurs extrémités latérales de moyens de préhension formés par les lumières réalisées dans lesdites extrémités latérales et pourvues de renforts constitués d'un insert introduit latéralement dans le chant de la lame fine à double paroi et présentant également une lumière située au droit des lumières des lames fines à double paroi, ces moyens de préhension coopérant avec des roues à came présentant une coure à vide entre chaque dent et placées à chacune des extrémités latérales d'un second arbre d'entraînement disposé en aval par rapport à l'arbre d'enroulement et/ou de déroulement, ces arbres étant maintenus par des flasques latéraux d'un caisson sur lequel aboutent les rails de guidage dans lesquels glissent les extrémités latérales des lames fines à double paroi du tablier dont l'insert comporte, du côté de son chant dirigé vers le talon de la lame fine à double paroi, une tige dont l'axe longitudinal est parallèle à l'axe longitudinal des lames fines à double paroi, et, en s'engageant dans la gouttière de ladite lame fine à double paroi, condamne tout déplacement des lames fines à double paroi par rapport à leur axe longitudinal.The invention as characterized in the claims solves the problem of creating a drive device for a roller shutter, the deck of which moves at a slight inclination and comprising a winding and / or unwinding shaft. apron formed of thin double-walled blades provided at each of their lateral ends with gripping means formed by the openings made in said lateral ends and provided with reinforcements constituted by an insert inserted laterally into the edge of the thin double-walled blade and also having a lumen located in line with the lumens of the thin double-walled blades, these gripping means cooperating with cam wheels having a vacuum course between each tooth and placed at each of the lateral ends of a second drive shaft disposed downstream with respect to the winding and / or unwinding shaft, these shafts being held pa r side flanges of a box on which abut the guide rails in which the lateral ends of the thin double-walled blades of the apron slide, the insert of which, on the side of its edge directed towards the heel of the thin double-blade wall, a rod whose longitudinal axis is parallel to the longitudinal axis of the thin double-walled blades, and, by engaging in the gutter of said thin double-walled blade, prevents any movement of the thin double-walled blades by relative to their longitudinal axis.
Les avantages obtenus grâce à cette invention consistent essentiellement en ce que, grâce aux moyens de condamnation conférés à l'insert, on maintient un contact constant entre la face active du crochet orienté vers l'espace interne de la gouttière du talon de la lame en amont avec la face active de la lèvre en forme de crochet de la tête de la lame en aval. De ce fait, la rotation d'une lame fine à double paroi par rapport à sa voisine permet, en temps de gel, d'assurer l'enroulement et/ou le déroulement du tablier sur l'arbre d'enroulement et/ou de déroulement et ainsi de pouvoir utiliser en hiver le volet roulant pour obturer les fenêtres de toits, toits de vérandas et analogues.The advantages obtained thanks to this invention essentially consist in that, thanks to the locking means imparted to the insert, a constant contact is maintained between the active face of the hook oriented towards the internal space of the gutter of the heel of the blade. upstream with the active face of the hook-shaped lip of the head of the blade downstream. Therefore, the rotation of a thin double-walled blade relative to its neighbor allows, in frost, to ensure the winding and / or unwinding of the deck on the winding shaft and / or and thus to be able to use the roller shutter in winter to close the roof windows, verandah roofs and the like.
L'invention est exposée ci-après plus en détail à l'aide de dessins représentant seulement un mode d'exécution.The invention is set out below in more detail with the aid of drawings representing only one embodiment.
La figure 1 représente une vue en perspective de l''une des extrémités latérales de l'extrémité supérieure d'un volet roulant comportant un tablier formé de lames fines à double paroi pourvues d'insert conformes à l'invention.FIG. 1 represents a perspective view of one of the lateral ends of the upper end of a rolling shutter comprising an apron formed from thin double-walled blades provided with an insert in accordance with the invention.
La figure 2 représente une vue en élévation d'un tablier conforme à l'invention.Figure 2 shows an elevational view of an apron according to the invention.
La figure 3 représente une vue éclatée de l'extrémité d'une lame fine à double paroi et d'un insert conforme à l'invention.FIG. 3 represents an exploded view of the end of a thin double-walled blade and of an insert according to the invention.
On se réfère aux différentes figures.We refer to the different figures.
Le volet roulant 1 comporte un tablier 2 se déplaçant selon une faible inclinaison et s'enroulant ou se déroulant d'un arbre d'enroulement et/ou de déroulement 3. Ce tablier 2 est constitué de lames fines à double paroi 4, 5, 6 reliées entre elles par des articulations télescopiques 7, 8, 9. Ces lames fines à double paroi 4, 5, 6 sont formées d'une paroi avant 10 et d'une paroi arrière 11. Les parois avant 10 et arrière 11 sont reliées entre elles par une tête 12 comportant une lèvre 13 repliée en forme de crochet. A sa partie inférieure, la lame fine à double paroi 4, 5, 6 comporte un talon 15. Ce talon 15 présente une gouttière 16 ouverte vers le bas et solidaire de la paroi avant 10 et un crochet 17 orienté vers l'espace interne 18 de la gouttière 16 et solidaire de la paroi arrière 11 de la lame fine à double paroi 4, 5, 6.The roller shutter 1 comprises an
Pour la réalisation du tablier 2, on enfile latéralement la tête 12 de la lame fine à double paroi en aval 6 dans le talon 15 de la lame fine à double paroi en amont 5, de sorte que la face active 19 de la lèvre 13 de la lame fine à double paroi en aval 6 vient s'accrocher à la face active 20 du crochet 17 du talon 15 de la lame fine à double paroi 5, 6, constitue l'articulation 7, 8, 9 permettant à l'une des lames fines à double paroi 5 de pivoter par rapport à la lame fine à double paroi voisine 6 pour permettre l'enroulement du tablier 2 sur l'arbre d'enroulement et/ou de déroulement 3. La course télescopique des articulation 7, 8, 9 est fonction de la hauteur 21 de la tête 12 et de la profondeur 22 de la gouttière 16.For the production of the
Chaque lame fine à double paroi 4, 5, 6 est pourvue à chacune de ses extrémités latérales 23, 24, 25 de moyens de préhension constitués par des lumières 26, 27, 28 réalisées dans lesdites extrémités latérales 23, 24, 25 et traversant de part en part, la lame fine à double paroi 4, 5, 6. En raison de leur faible épaisseur, on introduit latéralement dans les lames fines à double paroi 4, 5, 6, des renforts formés d'inserts 29, 30, 31. Dans ces inserts 29, 30, 31 sont pratiquées des lumières 32, 33, 34 qui, après mise en place de ces inserts 29, 30, 31 dans les lames fines à double paroi 4, 5, 6, sont dans le même alignement que les lumière 26, 27, 28 de ces dernières.Each thin double-
Le chant supérieur 35 des inserts 29, 30, 31 vient en butée contre la tête 12 alors que le chant inférieur 36 vient en butée contre le fond 37 de la gouttière 16.The
Les lumières 26, 27, 28 et 32, 33, 34 coopèrent avec des dents 38, 39 d'une roue à came 40 placée à chacune des extrémités 41 d'un arbre d'entraînement 42 disposé en aval par rapport à l'arbre d'enroulement et/ou de déroulement 3. Cet arbre d'entraînement 42 exerce une poussée sur le tablier 2 pour le déploiement de ce dernier.The
L'arbre d'enroulement et/ou de déroulement 3 et l'arbre d'entraînement 42 sont maintenus par des flasques latéraux 43 d'un caisson 44 sur lequel aboutent des rails de guidage 45 dans lesquels glissent les extrémités latérales 23, 24, 25 des lames fines à double paroi 4, 5, 6.The winding and / or unwinding shaft 3 and the
Selon l'invention, on veut obtenir un contact constant entre la face active 19 de la lèvre 13 de la tête 12 de la lame fine à double paroi en val 4, 5, 6 avec la face active 20 du crochet 17 du talon 15 de la lame fine à double paroi en amont 4, 5, 6 pour permettre la rotation d'une lame fine à double paroi 4, 5, 6 par rapport à sa voisine, malgré la présence de glace dans les articulations 7, 8, 9. Il y a donc lieu de condamner la course télescopique desdites articulations 7, 8, 9.According to the invention, it is desired to obtain constant contact between the
A cet effet, on pourvoit les inserts 29, 30, 31 de moyens 46 condamnant tout déplacement des lames fines à double paroi 4, 5, 6 par rapport à leur axe longitudinal 47. Ces moyens 46 sont situés du côté du chant inférieur 36 des inserts 29, 30, 31 et viennent s'engager dans la gouttière 16, donc lesdits moyens 46 sont situés du côté du talon 15 des lames fines à double paroi 4, 5, 6. Avantageusement, ces moyens 46 sont une tige dont une des extrémités 48 est solidaire du chant latéral externe 49 de l'insert 29, 30, 31. Cette tige 46 comporte un axe longitudinal 50 parallèle à l'axe longitudinal 47 des lames fines à double paroi 4, 5, 6. L'extrémité libre 51 de cette tige 46 est située du côté de l'axe médian du tablier 2.To this end, the
Avantageusement, les insert 29, 30, 31 sont des pièces moulées en matière plastique et les tiges 46 forment bloc avec les corps 52 desdits inserts 29, 30, 31.Advantageously, the
Selon un autre mode de réalisation, le chant latéral externe 49 comporte un prolongement dans lequel est insérée une des extrémités d'une tige rapportée pouvant être une tige métallique.According to another embodiment, the external
Selon un mode d'exécution, la longueur 53 de la tige 46 est égale à la longueur 54 des inserts 29, 30, 31.According to one embodiment, the
Selon un autre mode d'exécution, la longueur 53 de la tige 46 est supérieure à la longueur 54 des inserts 29, 30, 31.According to another embodiment, the
Claims (6)
- Operating device for roller blinds (1) the apron (2) of which moves with a slight slant and comprising a shaft (3) for rolling-up and/or unrolling the apron (2) formed of double-walled thin slats (4, 5, 6) provided at each of their side ends (23, 24, 25) with gripping means formed of slots (26, 27, 28) made in said side ends (23, 24, 25) and provided with reinforcements consisting of an insert (29, 30, 31) sidely engaged into the edge of the double-walled thin slat (4, 5, 6) and also having a slot (32, 33, 34) located in front of the slots (26, 27, 28) of the double-walled thin slats (4, 5, 6), these gripping means co-operating with sprocket wheels (40) having an idle stroke between each tooth (38, 39) and located at each side end (41) of a second driving shaft (42) arranged downstream with respect to the rolling-up and/or unrolling shaft (3), these shafts (3), (42) being held by side plates (43) of a box (44) onto which join guiding rails (45) in which slide the side ends (23, 24, 25) of the double-walled thin slats (4, 5, 6), characterized in that the insert (29, 30, 31) includes, on the side of its edge (36) oriented towards the heel (15) of the double-walled thin slat (4, 5, 6), a rod (46) the longitudinal axis (50) of which is parallel to the longitudinal axis (47) of the double-walled thin slats (4, 5, 6) and, by engaging into the groove (16) of said double-walled thin slat (4, 5, 6), impedes any movement of the double-walled thin slats (4, 5, 6) with respect to their longitudinal axis (47).
- Operating device according to claim 1, characterized in that the rod (46) includes an end (48) integral with the side edge (49) of the insert (29, 30, 31).
- Operating device according to claim 1, characterized in that the rod (46) includes a free end (51) located on the side of the median axis of the apron (2).
- Operating device according to claim 1, characterized in that the rod (46) is integral with the body (52) of the insert (29, 30, 31) made of plastic.
- Operating device according to claim 1, characterized in that the rod (46) is an inserted-on rod the end (48) of which is inserted into an extension of the outer side face (49) of the insert (29, 30, 31).
- Operating device according to claim 5, characterized in that the inserted-on rod is a metal rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8903882 | 1989-03-21 | ||
| FR8903882A FR2644841B2 (en) | 1987-11-16 | 1989-03-21 | DEVICE FOR DRIVING A ROLLING SHUTTER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0391820A1 EP0391820A1 (en) | 1990-10-10 |
| EP0391820B1 true EP0391820B1 (en) | 1992-11-11 |
Family
ID=9380023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90440016A Expired - Lifetime EP0391820B1 (en) | 1989-03-21 | 1990-02-23 | Operating device for roller blinds |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0391820B1 (en) |
| AT (1) | ATE82361T1 (en) |
| DE (1) | DE69000447T2 (en) |
| DK (1) | DK0391820T3 (en) |
| ES (1) | ES2036104T3 (en) |
| GR (1) | GR3006797T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH688521A5 (en) * | 1994-07-27 | 1997-10-31 | Rufalex Rolladen Systeme Ag | Slide inserted in profiled roller-shutter component |
| DE19600951C5 (en) * | 1996-01-12 | 2010-12-16 | Roto Frank Ag | Drive device for a roller shutter |
| DE29601053U1 (en) * | 1996-01-23 | 1996-03-07 | Alulux Beckhoff GmbH & Co., 33415 Verl | Articulated roller shutters |
| FR2847299B1 (en) | 2002-11-19 | 2007-10-26 | Fpp Fermetures Pour Profession | SHUTTER COMPRISING A SPIRAL GUIDE FOR ITS APRON |
| RU2752887C1 (en) * | 2020-12-08 | 2021-08-11 | Акционерное общество "Научно-производственное объединение специальных материалов" (АО "НПО Спецматериалов") | Burglar-proof roller shutters |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2183495A (en) * | 1937-01-06 | 1939-12-12 | Gen Door Company | Flexible rolling curtain |
| BE758204A (en) * | 1970-10-29 | 1971-04-01 | Robert Tavernier S A Nv | CLOSING PIECE FOR ROLLER SHUTTER SLATS. |
| FR2614929B1 (en) * | 1987-05-06 | 1992-01-10 | Bubendorff Richard | SHUTTER APRON |
-
1990
- 1990-02-23 EP EP90440016A patent/EP0391820B1/en not_active Expired - Lifetime
- 1990-02-23 DK DK90440016.5T patent/DK0391820T3/en active
- 1990-02-23 ES ES199090440016T patent/ES2036104T3/en not_active Expired - Lifetime
- 1990-02-23 DE DE9090440016T patent/DE69000447T2/en not_active Expired - Fee Related
- 1990-02-23 AT AT90440016T patent/ATE82361T1/en not_active IP Right Cessation
-
1993
- 1993-01-14 GR GR930400052T patent/GR3006797T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0391820A1 (en) | 1990-10-10 |
| DE69000447D1 (en) | 1992-12-17 |
| GR3006797T3 (en) | 1993-06-30 |
| ATE82361T1 (en) | 1992-11-15 |
| DE69000447T2 (en) | 1993-04-08 |
| DK0391820T3 (en) | 1993-02-08 |
| ES2036104T3 (en) | 1993-05-01 |
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