EP0145628B1 - Roller shutter - Google Patents

Roller shutter Download PDF

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Publication number
EP0145628B1
EP0145628B1 EP84440053A EP84440053A EP0145628B1 EP 0145628 B1 EP0145628 B1 EP 0145628B1 EP 84440053 A EP84440053 A EP 84440053A EP 84440053 A EP84440053 A EP 84440053A EP 0145628 B1 EP0145628 B1 EP 0145628B1
Authority
EP
European Patent Office
Prior art keywords
shaft
roller shutter
hub
blind
drive means
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
Application number
EP84440053A
Other languages
German (de)
French (fr)
Other versions
EP0145628A2 (en
EP0145628A3 (en
Inventor
Richard Bubendorff
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.)
Cessione Bubendorff Ets
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR8318610A external-priority patent/FR2555244B1/en
Priority claimed from FR8403347A external-priority patent/FR2560630B2/en
Application filed by Individual filed Critical Individual
Priority to AT84440053T priority Critical patent/ATE47196T1/en
Publication of EP0145628A2 publication Critical patent/EP0145628A2/en
Publication of EP0145628A3 publication Critical patent/EP0145628A3/en
Application granted granted Critical
Publication of EP0145628B1 publication Critical patent/EP0145628B1/en
Expired legal-status Critical Current

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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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures

Definitions

  • the invention relates to a rolling shutter for door, window and other openings composed of a winding and / or unwinding shaft of an apron formed of blades provided with gripping means cooperating with drive means integral in rotation with 'a second shaft arranged downstream relative to the winding shaft maintained by lateral flanges of the box and of guide rails in which the lateral ends of the deck blades slide.
  • a roller shutter is used, the deck of which moves almost horizontally. Unlike the roller shutters arranged vertically, the deployment of the deck is no longer subject to the effect of gravity and it is necessary to provide means ensuring the movement of the deck in both directions.
  • the axis of the last stud of the blade upstream and the first stud of the blade downstream is identical to the center of the different - studs integral with the end piece .
  • this spacing of the last stud of the blade upstream and the first stud of the blade downstream is variable depending on the direction of movement of the deck.
  • the movement of the deck takes place by thrust transmitted from one blade to another.
  • the longitudinal edges of the two consecutive blades touch and the center distance between the last stud of the blade upstream and the first stud of the blade downstream has a minimum value.
  • the movement of the apron is effected by traction transmitted from one blade to the other by means of the “C” shaped profile. There is therefore a stretch and the distance between the last stud of the blade upstream and the first stud of the blade downstream has a maximum value.
  • the value of the center distance between the nipples of the nozzle can only correspond to either the minimum value or the maximum value, but in no case can it correspond to the two values at the same time.
  • the present invention aims to remedy these drawbacks.
  • the invention as characterized in the claims solves the problem of creating a rolling shutter consisting of a winding and / or unwinding shaft of an apron and a second shaft provided at each end of drive means having an idle stroke suitable for the variable pitch separating two means for gripping two consecutive blades, these drive means being urged by motor means ensuring the rotation of the winding shaft.
  • the drive means have a pitch which adapts to the variable pitch resulting from the displacement in opposite directions of the different blades, which allows horizontal displacement in both directions of the deck.
  • the roller shutter 1 essentially comprises an apron 2 composed of a plurality of blades 3, 4, 5 ... connected together by any means.
  • This deck 2 is held laterally by two guide rails 6 having a "U" shaped section.
  • the two parallel wings of the guide rails 6 cover the lateral ends 7, 8, 9 of the blades 3, 4, 5, the latter sliding between said parallel wings.
  • the two guide rails 6 are interconnected, at one of their ends 10, by a cross member 11 against which the last blade 12 of the deployed deck 2 will abut.
  • the other end 13 of the slides 6 is integral with flanges lateral bars serving as a support for a winding shaft 15 on which is wound and from which the deck 2 takes place, the first blade of which is fixed by an appropriate means 16 to said shaft 15.
  • the rolling shutter 1 comprises a second shaft 17 parallel to the winding shaft 15.
  • This shaft 17 is located downstream of the winding shaft 15 and it is also maintained by the side plates.
  • the second shaft 17 comprises drive means cooperating with gripping means integral with the different blades 3, 4, 5 of the deck 2.
  • drive means consisting of cam wheels 19 meshing with gripping means formed for each blade 3, 4, 5 of a single stud 22, 23, 24 protruding with respect to the two lateral edges 25, 26 of the blades 3, 4, 5.
  • These cam wheels 19, integral in rotation with the second shaft 17, have an idle stroke and, for this purpose, have a configuration of stars whose branches 20, 21 consist of an involute of a circle (see figure 4).
  • Said branches 20, 21 are interconnected by a curvilinear segment 27. Due to the particular shape of the branches 20, 21 the pins 22, 23, 24 can perform an idle stroke by sliding along the sides 28, 29 of these branches 20, 21 and position themselves according to the pitch 30 between two consecutive pins 22, 23. In fact, the pitch 30 is variable depending on the movement of the deck 2. When the deck 2 is in the unwinding phase, each blade 4 exerts a push on the previous 3. As a result, the longitudinal edges 31, 32 of the blades 3, 4 are joined and the step 30 has a minimum value. By cons, when the deck 2 is in the winding phase, there is traction and the different blades 3, 4 deviate from each other. Thus, step 30 has a maximum value. The difference between the maximum and minimum values of the pitch 30 is absorbed by the sliding of the pins 22, 23, 24 along the flanks 28, 29 of the branches 20, 21 of the cam wheel 19.
  • roller shutter 1 Due to the fact that there is a drive in both directions of the deck 2, it is possible to arrange the roller shutter 1 horizontally or to place the winding shaft 15 and drive shaft 17 assembly at the bottom of the shutter rolling vertical. It is obvious that the roller shutter can occupy an intermediate position between the horizontal position and the vertical position.
  • the motor means drive only the second shaft 17.
  • the latter passing through one of the flanges 14, is coupled to a manual or automatic control device.
  • This control device rotates the second shaft 17 which thus becomes the drive shaft while the winding shaft 15 of the deck 2 is a driven shaft.
  • the latter being free to rotate, the thrust exerted on the deck 2 by the second shaft 17 causes the rotation of the winding shaft 15.
  • a spring tensioned in the latter is incorporated in the latter while the deck 2 is unfolding and acting during winding. Therefore, it facilitates the rotation of the winding shaft 15 as and when the arrival of the blades 3, 4, 5 pushed by the branches 20, 21 of the cam wheels 19 of the second tree 17.
  • the invention provides a second embodiment according to which the motor means ensure the drive either of the winding shaft 15 or of the second shaft 17.
  • the shaft 15 has at one of its ends 33 a tip 34 provided with a hub 35 engaged in a bearing 36 with ball bearing 37.
  • This bearing 36 is integral with the internal face 38 of one of the lateral flanges 39 of the box.
  • the shaft 15 has a freewheel end piece 41 in which is threaded a hub 42 having a toothed pinion 43.
  • the rotation of the freewheel end piece 41 is integral with that of the shaft 15 but can be independent of that of the hub 42.
  • the hub 42 has on one of its ends 44 a bearing 45 engaged in a bearing 46 with ball bearing 47.
  • This bearing 46 is integral with the internal face 48 of the other lateral flange 49 from the housing.
  • This hub 42 has a bore 50 in which is engaged the control means such as the shaft of a winch (not shown).
  • the freewheel end piece 41 includes a locking lug 51 urged into the action position by an elastic element 52 held by a tightening element such as a screw 53.
  • the locking lug 51, the elastic element 52 and the clamping element 53 are housed in an orifice 54, the axis 55 of which is perpendicular to the longitudinal axis 56 of the winding shaft 15.
  • the lower end 57 of the locking pin 51, in position of action of the latter, protrudes relative to the periphery of the bore 58 produced in the freewheeling tip 41 in which the hub 42 is threaded.
  • the latter comprises on its outer periphery 59 a notch 60 whose width corresponds to that of the locking lug 51.
  • This notch 60 has an action face 61 against which the locking lug 51 abuts when the winding shaft 15 is driven by the winch to cause the winding of the deck 2. Perpendicular to this action face 61, the notch 60 has an erasure face 62.
  • the f ace of action 61 is parallel to the axis 55 of the orifice 54, therefore parallel to the direction of movement of the locking lug 51.
  • the toothed pinion 45 is connected by a chain 64 to a toothed pinion 65 secured to a hub 66 disposed at one end 18 of the second shaft 17 parallel to the winding shaft 15.
  • the hub 66 has a bearing 68 threaded into a bearing 69 with ball bearing 70 secured to the internal face 48 of the lateral flange 49.
  • On this hub 66 is threaded a freewheel end piece 71 engaged in the end 18 of the second shaft 17.
  • This freewheel end piece 71 is rotationally secured by a fastening element 72 of the cam wheel 19 meshing with the lateral pins 22, 23, 24 of the different blades 3, 4, 5 of the deck 2.
  • the freewheel end piece 71 is produced at least one orifice 73 in which are engaged a locking lug 74 and an elastic element 75 held under tension by a clamping element 76.
  • the lower end 77 of the locking lug 74 projects relative to the periphery of the bore 78 produced in the freewheeling tip 71 and engages in a notch 79 formed in the hub 66.
  • This notch 79 has the same configuration as the notch 60, that is to say comprises an action face 80 and an erasing face 81, perpendicular to the first 80.
  • the locking lug 74 is in the retracted position and the second shaft 17 can rotate freely relative to the toothed pinion 65.
  • the winch drives the toothed pinion 43, the chain 64 and the toothed pinion 65.
  • the locking pin 74 is in the projecting position and the hub 66 rotates the second shaft 17 as a result of the action of the locking lug 74 against the action face 80 of the notch 79, which causes the rotation of the freewheel end piece 71 and, consequently, the rotation of the cam wheel 19 and the second tree 17.
  • the latter has at its other end 82 a second cam wheel 83 made integral in rotation with the second shaft 17 by means of a fixing element 84 ensuring the connection between the wheel 83 and a nozzle 85 whose hub 86 is engaged in a bearing 87 with ball bearing 88, this bearing 87 being integral with the internal face 38 of the lateral flange 39 of the box.
  • the winding shaft 15 comprises an incorporated motor 89.
  • the shaft 90 of this incorporated motor 89 is connected by a coupling 91 to a driven shaft 92 made integral in rotation with the hub 42 and the 'freewheel end 41. All the other elements are identical to those described above.

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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)

Description

L'invention concerne un volet roulant pour porte, fenêtre et autres ouvertures composé d'un arbre d'enroulement et/ou de déroulement d'un tablier formé de lames pourvues de moyens de préhension coopérant avec des moyens d'entraînement solidaires en rotation d'un second arbre disposé en aval par rapport à l'arbre d'enroulement maintenu par des flasques latéraux du caisson et de rails de guidage dans lesquels glissent les extrémités latérales des lames du tablier.The invention relates to a rolling shutter for door, window and other openings composed of a winding and / or unwinding shaft of an apron formed of blades provided with gripping means cooperating with drive means integral in rotation with 'a second shaft arranged downstream relative to the winding shaft maintained by lateral flanges of the box and of guide rails in which the lateral ends of the deck blades slide.

Pour protéger les toits de vérandas en verre, les lucarnes des toitures contre le soleil, on utilise un volet roulant dont le tablier se déplace pratiquement horizontalement. Contrairement aux volets roulants disposés verticalement, le déploiement du tablier n'est plus soumis à l'effet de la pesanteur et il est nécessaire de prévoir des moyens assurant le déplacement du tablier dans les deux sens.To protect the roofs of glass verandas, the skylights of the roofs against the sun, a roller shutter is used, the deck of which moves almost horizontally. Unlike the roller shutters arranged vertically, the deployment of the deck is no longer subject to the effect of gravity and it is necessary to provide means ensuring the movement of the deck in both directions.

On connaît déjà, par le document DE-A-2 947 501, un volet roulant correspondant au préambule de la revendication 1. Les différentes lames du tablier sont reliées entre-elles par une articulation constituée par un profilé de section en « C » dont les deux extrémités recourbées coulissent à travers des fentes réalisées dans les chants longitudinaux des différentes lames. Ces extrémités recourbées coopèrent avec des bossages solidaires de l'une des parois desdites fentes. Les chants latéraux des lames sont pourvus d'embouts enfilés à l'intérieur des lames. Ces embouts comportent plusieurs tétons dont l'entr'axes correspond au pas des roues dentées d'entraînement..Already known, from document DE-A-2 947 501, a rolling shutter corresponding to the preamble of claim 1. The various blades of the deck are interconnected by an articulation constituted by a sectional section in "C" whose the two curved ends slide through slots made in the longitudinal edges of the different blades. These curved ends cooperate with bosses integral with one of the walls of said slots. The side edges of the blades are fitted with end caps threaded inside the blades. These tips have several pins whose spacing corresponds to the pitch of the toothed drive wheels.

Cependant, pour le bon fonctionnement, il est nécessaire que l'entr'axes du dernier téton de la lame en amont et le premier téton de la lame en aval soit identique à l'entr'axes des différents - tétons solidaires de l'embout. Toutefois, cet entr'axes du dernier téton de la lame en amont et du premier téton de la lame en aval est variable en fonction du sens de déplacement du tablier.However, for proper operation, it is necessary that the axis of the last stud of the blade upstream and the first stud of the blade downstream is identical to the center of the different - studs integral with the end piece . However, this spacing of the last stud of the blade upstream and the first stud of the blade downstream is variable depending on the direction of movement of the deck.

Dans un sens, le déplacement du tablier s'effectue par poussée transmise d'une lame à l'autre. A cet effet, les chants longitudinaux des deux lames consécutives se touchent et l'entr'axes entre le dernier téton de la lame en amont et le premier téton de la lame en aval a une valeur minimale.In one direction, the movement of the deck takes place by thrust transmitted from one blade to another. To this end, the longitudinal edges of the two consecutive blades touch and the center distance between the last stud of the blade upstream and the first stud of the blade downstream has a minimum value.

Par contre, dans l'autre sens, le déplacement du tablier s'effectue par traction transmise d'une lame à l'autre par l'intermédiaire du profilé en forme de « C ». Il y a donc étirement et l'entr'axes entre le dernier téton de la lame en amont et le premier téton de la lame en aval a une valeur maximale.On the other hand, in the other direction, the movement of the apron is effected by traction transmitted from one blade to the other by means of the “C” shaped profile. There is therefore a stretch and the distance between the last stud of the blade upstream and the first stud of the blade downstream has a maximum value.

La valeur de l'entr'axes entre les tétons de l'embout ne peut correspondre que soit à la valeur minimale, soit à la valeur maximale mais en aucun cas il ne peut correspondre aux deux valeurs à la fois. Ainsi, dans l'un des sens il y a obligatoirement une alternance entre l'entr'axes des tétons d'une même lame et l'entr'axes des tétons entre deux axes consécutifs. Cette alternance est incompatible avec le pas régulier des roues dentées.The value of the center distance between the nipples of the nozzle can only correspond to either the minimum value or the maximum value, but in no case can it correspond to the two values at the same time. Thus, in one of the directions there is necessarily an alternation between the axis of the nipples of the same blade and the axis of the nipples between two consecutive axes. This alternation is incompatible with the regular pitch of the toothed wheels.

La présente invention a pour but de remédier à ces inconvénients. L'invention telle qu'elle est caractérisée dans les revendications résout le problème consistant à créer un volet roulant se composant d'un arbre d'enroulement et/ou de déroulement d'un tablier et d'un second arbre pourvu à chaque extrémité de moyens d'entraînement présentant une course à vide appropriée au pas variable séparant deux moyens de préhension de deux lames consécutives, ces moyens d'entraînement étant sollicités par des moyens moteurs assurant la rotation de l'arbre d'enroulement.The present invention aims to remedy these drawbacks. The invention as characterized in the claims solves the problem of creating a rolling shutter consisting of a winding and / or unwinding shaft of an apron and a second shaft provided at each end of drive means having an idle stroke suitable for the variable pitch separating two means for gripping two consecutive blades, these drive means being urged by motor means ensuring the rotation of the winding shaft.

Les avantages obtenus grâce à cette invention consistent essentiellement en ceci que les moyens d'entraînement présentent un pas s'adaptant au pas variable résultant du déplacement de sens contraire des différentes lames, ce qui permet un déplacement horizontal dans les deux sens du tablier.The advantages obtained thanks to this invention consist essentially in that the drive means have a pitch which adapts to the variable pitch resulting from the displacement in opposite directions of the different blades, which allows horizontal displacement in both directions of the deck.

L'invention est exposée ci-après plus en détail à l'aide de dessins représentant seulement un mode d'exécution.

  • La figure 1 représente, en vue en élévation, un volet roulant conforme à l'invention.
  • La figure 2 représente une vue partielle en plan de ce volet roulant.
  • La figure 3 représente, en vue en plan et en coupe, les moyens d'entraînement du tablier du volet roulant.
  • La figure 4 représente, en vue latérale, le principe de fonctionnement des moyens d'entraînement.
  • La figure 5 représente, en vue en plan et en coupe, les moyens d'entraînement de l'arbre d'enroulement et de déroulement du tablier.
The invention is set out below in more detail with the aid of drawings representing only one embodiment.
  • Figure 1 shows, in elevational view, a roller shutter according to the invention.
  • Figure 2 shows a partial plan view of this shutter.
  • Figure 3 shows, in plan view and in section, the drive means of the roller shutter deck.
  • Figure 4 shows, in side view, the operating principle of the drive means.
  • Figure 5 shows, in plan view and in section, the drive means of the winding shaft and unwinding of the deck.

On se réfère aux figures 1 et 2.We refer to Figures 1 and 2.

Le volet roulant 1 comporte essentiellement un tablier 2 composé d'une pluralité de lames 3, 4, 5... reliées entre-elles par un moyen quelconque. Ce tablier 2 est maintenu latéralement par deux rails de guidage 6 ayant une section en forme de « U ». Les deux ailes parallèles des rails de guidage 6 coiffent les extrémités latérales 7, 8, 9 des lames 3, 4, 5, ces dernières coulissant entre lesdites ailes parallèles. Les deux rails de guidage 6 sont reliés entre-eux, à l'une de leur extrémité 10, par une traverse 11 contre laquelle viendra buter la dernière lame 12 du tablier déployé 2. L'autre extrémité 13 des glissières 6 est solidaire de flasques latéraux servant de support à un arbre d'enroulement 15 sur lequel s'enroule et duquel se déroule le tablier 2 dont la première lame est fixée par un moyen approprié 16 sur ledit arbre 15.The roller shutter 1 essentially comprises an apron 2 composed of a plurality of blades 3, 4, 5 ... connected together by any means. This deck 2 is held laterally by two guide rails 6 having a "U" shaped section. The two parallel wings of the guide rails 6 cover the lateral ends 7, 8, 9 of the blades 3, 4, 5, the latter sliding between said parallel wings. The two guide rails 6 are interconnected, at one of their ends 10, by a cross member 11 against which the last blade 12 of the deployed deck 2 will abut. The other end 13 of the slides 6 is integral with flanges lateral bars serving as a support for a winding shaft 15 on which is wound and from which the deck 2 takes place, the first blade of which is fixed by an appropriate means 16 to said shaft 15.

Selon l'invention, le volet roulant 1 comporte un second arbre 17 parallèle à l'arbre d'enroulement 15. Cet arbre 17 est situé en aval de l'arbre d'enroulement 15 et il est également maintenu par les flasques latéraux. Le second arbre 17 comporte des moyens d'entraînement coopérant avec des moyens de préhension solidaires des différentes lames 3, 4, 5 du tablier 2. A cet effet, on dispose sur les deux côtés 18 de l'arbre 17 des moyens d'entraînement constitués de roues à cames 19 s'engrenant avec des moyens de préhension formés pour chaque lame 3, 4, 5 d'un téton unique 22, 23, 24 faisant saillie par rapport aux deux chants latéraux 25, 26 des lames 3, 4, 5. Ces roues à cames 19, solidaires en rotation du second arbre 17, comportent une course à vide et, à cet effet, présentent une configuration d'étoiles dont les branches 20, 21 sont constituées d'une développante de cercle (voir figure 4). Lesdites branches 20, 21 sont reliées entre-elles par un segment curviligne 27. En raison de la forme particulière des branches 20, 21 les tétons 22, 23, 24 peuvent effectuer une course à vide en glissant le long des flancs 28, 29 de ces branches 20, 21 et se positionner en fonction du pas 30 entre deux tétons consécutifs 22, 23. En effet, le pas 30 est variable en fonction du mouvement du tablier 2. Lorsque le tablier 2 est en phase de déroulement, chaque lame 4 exerce une poussée sur la précédente 3. De ce fait, les chants longitudinaux 31, 32 des lames 3, 4 sont accolés et le pas 30 a une valeur minimale. Par contre, lorsque le tablier 2 est en phase d'enroulement, il y a traction et les différentes lames 3, 4 s'écartent les unes des autres. Ainsi, le pas 30 a une valeur maximale. La différence des valeurs maximales et minimales du pas 30 est absorbée par le coulissement des tétons 22, 23, 24 le long des flancs 28, 29 des branches 20, 21 de la roue à cames 19.According to the invention, the rolling shutter 1 comprises a second shaft 17 parallel to the winding shaft 15. This shaft 17 is located downstream of the winding shaft 15 and it is also maintained by the side plates. The second shaft 17 comprises drive means cooperating with gripping means integral with the different blades 3, 4, 5 of the deck 2. For this purpose, there are on the two sides 18 of the shaft 17 drive means consisting of cam wheels 19 meshing with gripping means formed for each blade 3, 4, 5 of a single stud 22, 23, 24 protruding with respect to the two lateral edges 25, 26 of the blades 3, 4, 5. These cam wheels 19, integral in rotation with the second shaft 17, have an idle stroke and, for this purpose, have a configuration of stars whose branches 20, 21 consist of an involute of a circle (see figure 4). Said branches 20, 21 are interconnected by a curvilinear segment 27. Due to the particular shape of the branches 20, 21 the pins 22, 23, 24 can perform an idle stroke by sliding along the sides 28, 29 of these branches 20, 21 and position themselves according to the pitch 30 between two consecutive pins 22, 23. In fact, the pitch 30 is variable depending on the movement of the deck 2. When the deck 2 is in the unwinding phase, each blade 4 exerts a push on the previous 3. As a result, the longitudinal edges 31, 32 of the blades 3, 4 are joined and the step 30 has a minimum value. By cons, when the deck 2 is in the winding phase, there is traction and the different blades 3, 4 deviate from each other. Thus, step 30 has a maximum value. The difference between the maximum and minimum values of the pitch 30 is absorbed by the sliding of the pins 22, 23, 24 along the flanks 28, 29 of the branches 20, 21 of the cam wheel 19.

Du fait que l'on exerce un entraînement dans les deux sens du tablier 2, il est possible de disposer horizontalement le volet roulant 1 ou de placer l'ensemble arbre d'enroulement 15 et arbre d'entraînement 17 à la partie inférieure du volet roulant vertical. Il est évident que le volet roulant peut occuper une position intermédiaire entre la position horizontale et la position verticale.Due to the fact that there is a drive in both directions of the deck 2, it is possible to arrange the roller shutter 1 horizontally or to place the winding shaft 15 and drive shaft 17 assembly at the bottom of the shutter rolling vertical. It is obvious that the roller shutter can occupy an intermediate position between the horizontal position and the vertical position.

Selon un premier mode de réalisation, les moyens moteurs entraînent uniquement le second arbre 17. Celui-ci, traversant un des flasques 14, est accouplé à un dispositif de commande manuel ou automatique. Ce dispositif de commande entraîne en rotation le second arbre 17 qui devient ainsi l'arbre moteur alors que l'arbre d'enroulement 15 du tablier 2 est un arbre mené. Ce dernier étant libre en rotation, la poussée exercée sur le tablier 2 par le second arbre 17 provoque la rotation de l'arbre d'enroulement 15. On incorpore dans ce dernier un ressort mis sous tension en phase de déroulement du tablier 2 et agissant lors de l'enroulement. De ce fait, il facilite la rotation de l'arbre d'enroulement 15 au-fur-et-à- mesure de l'arrivée des lames 3, 4, 5 poussées par les branches 20, 21 des roues à cames 19 du second arbre 17.According to a first embodiment, the motor means drive only the second shaft 17. The latter, passing through one of the flanges 14, is coupled to a manual or automatic control device. This control device rotates the second shaft 17 which thus becomes the drive shaft while the winding shaft 15 of the deck 2 is a driven shaft. The latter being free to rotate, the thrust exerted on the deck 2 by the second shaft 17 causes the rotation of the winding shaft 15. A spring tensioned in the latter is incorporated in the latter while the deck 2 is unfolding and acting during winding. Therefore, it facilitates the rotation of the winding shaft 15 as and when the arrival of the blades 3, 4, 5 pushed by the branches 20, 21 of the cam wheels 19 of the second tree 17.

Cependant, à la longue, le ressort risque d'être sujet à une fatigue. De ce fait, soit il doit être remplacé, soit il est nécessaire de prévoir des moyens de réglage pour modifier le ressort défectueux. A cet effet, l'invention prévoit un second mode de réalisation selon lequel les moyens moteurs assurent l'entraînement soit de l'arbre d'enroulement 15, soit du second arbre 17.However, over time, the spring may be subject to fatigue. Therefore, either it must be replaced, or it is necessary to provide adjustment means to modify the defective spring. To this end, the invention provides a second embodiment according to which the motor means ensure the drive either of the winding shaft 15 or of the second shaft 17.

On se réfère aux figures 3 et 4.We refer to Figures 3 and 4.

L'arbre 15 comporte à l'une de ses extrémités 33 un embout 34 pourvu d'un moyeu 35 engagé dans un palier 36 à roulement à billes 37. Ce palier 36 est solidaire de la face interne 38 d'un des flasques latéraux 39 du caisson.The shaft 15 has at one of its ends 33 a tip 34 provided with a hub 35 engaged in a bearing 36 with ball bearing 37. This bearing 36 is integral with the internal face 38 of one of the lateral flanges 39 of the box.

A l'autre extrémité 40, l'arbre 15 comporte un embout à roue libre 41 dans lequel est enfilé un moyeu 42 présentant un pignon denté 43. La rotation de l'embout à roue libre 41 est solidaire de celle de l'arbre 15 mais peut être indépendante de celle du moyeu 42. Le moyeu 42 présente sur une de ses extrémités 44 une portée 45 engagée dans un palier 46 à roulement à billes 47. Ce palier 46 est solidaire de la face interne 48 de l'autre flasque latéral 49 du caisson. Ce moyeu 42 comporte un alésage 50 dans lequel est engagé le moyen de commande tel que l'arbre d'un treuil (non représenté).At the other end 40, the shaft 15 has a freewheel end piece 41 in which is threaded a hub 42 having a toothed pinion 43. The rotation of the freewheel end piece 41 is integral with that of the shaft 15 but can be independent of that of the hub 42. The hub 42 has on one of its ends 44 a bearing 45 engaged in a bearing 46 with ball bearing 47. This bearing 46 is integral with the internal face 48 of the other lateral flange 49 from the housing. This hub 42 has a bore 50 in which is engaged the control means such as the shaft of a winch (not shown).

L'embout à roue libre 41 comporte un ergot de blocage 51 sollicité en position d'action par un élément élastique 52 maintenu par un élément de serrage tel qu'une vis 53. L'ergot de blocage 51, l'élément élastique 52 et l'élément de serrage 53 sont logés dans un orifice 54 dont l'axe 55 est- perpendiculaire à l'axe longitudinal 56 de l'arbre d'enroulement 15. L'extrémité inférieure 57 de l'ergot de blocage 51, en position d'action de ce dernier, fait saillie par rapport au pourtour de l'alésage 58 réalisé dans l'embout à roue libre 41 dans lequel est enfilé le moyeu 42. Ce dernier comporte sur son pourtour extérieur 59 une encoche 60 dont la largeur correspond à celle de l'ergot de blocage 51. Cette encoche 60 présente une face d'action 61 contre laquelle vient buter l'ergot de blocage 51 lorsque l'arbre d'enroulement 15 est entraîné par le treuil pour provoquer l'enroulement du tablier 2. Perpendiculairement à cette face d'action 61, l'encoche 60 comporte une face d'effacement 62. La face d'action 61 est parallèle à l'axe 55 de l'orifice 54, donc parallèle au sens de déplacement de l'ergot de blocage 51. Lorsque le moyeu 42 tourne dans l'autre sens pour obtenir le déroulement du tablier 2, la face d'effacement 62 provoque l'escamotage de l'ergot de blocage 51 de sorte que ce dernier prend appui sur le pourtour 63 du moyeu 42. De ce fait, il n'y a plus de liaison entre ce dernier et l'embout à roue libre 41 et la rotation de l'un 42 devient indépendante de la rotation de l'autre 41. Ainsi, en phase de déroulement du tablier 2, l'arbre d'enroulement 15 tourne sans être entraîné par le treuil.The freewheel end piece 41 includes a locking lug 51 urged into the action position by an elastic element 52 held by a tightening element such as a screw 53. The locking lug 51, the elastic element 52 and the clamping element 53 are housed in an orifice 54, the axis 55 of which is perpendicular to the longitudinal axis 56 of the winding shaft 15. The lower end 57 of the locking pin 51, in position of action of the latter, protrudes relative to the periphery of the bore 58 produced in the freewheeling tip 41 in which the hub 42 is threaded. The latter comprises on its outer periphery 59 a notch 60 whose width corresponds to that of the locking lug 51. This notch 60 has an action face 61 against which the locking lug 51 abuts when the winding shaft 15 is driven by the winch to cause the winding of the deck 2. Perpendicular to this action face 61, the notch 60 has an erasure face 62. The f ace of action 61 is parallel to the axis 55 of the orifice 54, therefore parallel to the direction of movement of the locking lug 51. When the hub 42 rotates in the other direction to obtain the unwinding of the deck 2, the erasing face 62 causes the locking pin 51 to retract so that the latter bears on the periphery 63 of the hub 42. As a result, there is no longer any connection between the latter and the freewheel end 41 and the rotation of one 42 becomes independent of the rotation of the other 41. Thus, during the unwinding phase of the deck 2, the winding shaft 15 rotates without being driven by the winch.

Le pignon denté 45 est relié par une chaîne 64 à un pignon denté 65 solidaire d'un moyeu 66 disposé à l'une des extrémités 18 du second arbre 17 parallèle à l'arbre d'enroulement 15. Le moyeu 66 comporte une portée 68 enfilée dans un palier 69 à roulement à billes 70 solidaire de la face interne 48 du flasque latéral 49. Sur ce moyeu 66 est enfilé un embout à roue libre 71 engagé dans l'extrémité 18 du second arbre 17. Cet embout à roue libre 71 est solidaire en rotation par un élément de fixation 72 de la roue à cames 19 s'engrenant avec les tétons latéraux 22, 23, 24 des différentes lames 3, 4, 5 du tablier 2. Dans l'embout à roue libre 71 est réalisé au moins un orifice 73 dans lequel sont engagés un ergot de blocage 74 et un élément élastique 75 maintenu sous tension par un élément de serrage 76. L'extrémité inférieure 77 de l'ergot de blocage 74 fait saillie par rapport au pourtour de l'alésage 78 réalisé dans l'embout à roue libre 71 et s'engage dans une encoche 79 pratiquée dans le moyeu 66. Cette encoche 79 comporte la même configuration que l'encoche 60, c'est-à-dire comporte une face d'action 80 et une face d'effacement 81, perpendiculaire à la première 80. Cependant, si dans le cas de l'encoche 60, la face d'effacement 62 est située à droite de la face d'action 61, dans le cas de l'encoche 79, la face d'effacement 81 est située à gauche de la face d'action 80. Ainsi, en phase d'enroulement, lorsque l'ergot de blocage 51 est saillant et transmet l'entraînement du treuil à l'arbre d'enroulement 15, l'ergot de blocage 74 est en position escamotée et le second arbre 17 peut tourner librement par rapport au pignon denté 65.The toothed pinion 45 is connected by a chain 64 to a toothed pinion 65 secured to a hub 66 disposed at one end 18 of the second shaft 17 parallel to the winding shaft 15. The hub 66 has a bearing 68 threaded into a bearing 69 with ball bearing 70 secured to the internal face 48 of the lateral flange 49. On this hub 66 is threaded a freewheel end piece 71 engaged in the end 18 of the second shaft 17. This freewheel end piece 71 is rotationally secured by a fastening element 72 of the cam wheel 19 meshing with the lateral pins 22, 23, 24 of the different blades 3, 4, 5 of the deck 2. In the freewheel end piece 71 is produced at least one orifice 73 in which are engaged a locking lug 74 and an elastic element 75 held under tension by a clamping element 76. The lower end 77 of the locking lug 74 projects relative to the periphery of the bore 78 produced in the freewheeling tip 71 and engages in a notch 79 formed in the hub 66. This notch 79 has the same configuration as the notch 60, that is to say comprises an action face 80 and an erasing face 81, perpendicular to the first 80. However, if in the case of notch 60, the erasing face 62 is located to the right of the action face 61, in the case of the notch 79, the erase face 81 is located to the left of the action face n 80. Thus, in the winding phase, when the locking lug 51 is protruding and transmits the winch drive to the winding shaft 15, the locking lug 74 is in the retracted position and the second shaft 17 can rotate freely relative to the toothed pinion 65.

En phase de déroulement du tablier 2, le treuil entraîne le pignon denté 43, la chaîne 64 et le pignon denté 65. L'ergot de blocage 74 est en position saillante et le moyeu 66 entraîne en rotation le second arbre 17 par suite de l'action de l'ergot de blocage 74 contre la face d'action 80 de l'encoche 79, ce qui provoque la rotation de l'embout à roue libre 71 et, par voie de conséquence, la rotation de la roue à cames 19 et du second arbre 17.When the deck 2 unfolds, the winch drives the toothed pinion 43, the chain 64 and the toothed pinion 65. The locking pin 74 is in the projecting position and the hub 66 rotates the second shaft 17 as a result of the action of the locking lug 74 against the action face 80 of the notch 79, which causes the rotation of the freewheel end piece 71 and, consequently, the rotation of the cam wheel 19 and the second tree 17.

Ce dernier présente à son autre extrémité 82 une seconde roue à cames 83 rendue solidaire en rotation du second arbre 17 par l'intermédiaire d'un élément de fixation 84 assurant la liaison entre la roue 83 et un embout 85 dont le moyeu 86 est engagé dans un palier 87 à roulement à billes 88, ce palier 87 étant solidaire de la face interne 38 du flasque latéral 39 du caisson.The latter has at its other end 82 a second cam wheel 83 made integral in rotation with the second shaft 17 by means of a fixing element 84 ensuring the connection between the wheel 83 and a nozzle 85 whose hub 86 is engaged in a bearing 87 with ball bearing 88, this bearing 87 being integral with the internal face 38 of the lateral flange 39 of the box.

On se réfère à la figure 5.We refer to figure 5.

Selon un autre mode de réalisation, l'arbre d'enroulement 15 comporte un moteur incorporé 89. L'arbre 90 de ce moteur incorporé 89 est relié par un accouplement 91 à un arbre mené 92 rendu solidaire en rotation du moyeu 42 et de l'embout à roue libre 41. Tous les autres éléments sont identiques à ceux décrits ci-dessus.According to another embodiment, the winding shaft 15 comprises an incorporated motor 89. The shaft 90 of this incorporated motor 89 is connected by a coupling 91 to a driven shaft 92 made integral in rotation with the hub 42 and the 'freewheel end 41. All the other elements are identical to those described above.

Claims (13)

1. Roller shutter for doors, windows and other openings composed of a shaft (15) for rolling up and/or unrolling a blind (2) formed of slats (3, 4, 5) provided with gripping means (22, 23, 24) which co-operate with drive means (19, 83) which are rotatably integral with a second shaft (17) arranged downstream with respect to the rolling shaft (15) held by sides (39, 49) of the box and guide rails (6) in which the lateral ends (7, 8, 9) of the slats (3, 4, 5) of the blind (2) slide, the second shaft (17) having at each end (18, 82) a sprocket wheel (19, 83) of star configuration in which the branches (20, 21) have flanks (28, 29) constituted by an involute curve, these sprocket wheels (19, 83) being acted upon by drive means (41, 43, 64, 65, 71) ensuring the rotation of the unrolling shaft (15), the shutter being characterised in that the gripping means are a single stud (22, 23, 24) arrange on each side (25, 26) of each slat (3, 4, 5) and projecting with respect to this side (25, 26), these gripping means (22, 23, 24) engaging with the driving means (19, 83) which are acted upon by the drive means (41, 43, 64, 65, 71) ensuring the rotation of at least one of the shafts (15, 17), these driving means (19, 83) having an idle stroke adapted to the variable pitch separating the single studs (22, 23, 24) of two consecutive slats (3, 4, 5), thus giving the blind the capacity to be displaced by the driving means (19, 83) in all positions between vertical and horizontal.
2. Roller shutter as claimed in claim 1, characterised in that the drive means acting upon the driving means (19, 83) engage with the single studs (22, 23, 24) of two consecutive slats (3, 4, 5) are a manual or automatic control device coupled to the second shaft (17) and driving only this second shaft (17) resulting in displacement of the blind causing the rotation of the rolling shaft (15), this rolling shaft (15) being freely rotating.
3. Roller shutter as claimed in claim 1, characterised in that the drive means acting upon the driving means (19, 83) engage with the single studs (22, 23, 24) of two consecutive siats (3, 4, 5) are disengageable drive means (41, 43, 64, 65, 71) which alternately drive one or other of the shafts (15, 17) as a function of the displacement of the blind (2).
4. Roller shutter as claimed in claim 1, characterised in that the disengageable drive means are a transmission (43, 64, 65) which alternately drives one or the other shaft (15, 17) by means of a freely rotating tip (41, 71) as a function of the displacement of the blind (2).
5. Roller shutter as claimed in claim 1, characterised in that the transmission has a chain (64) connecting together two pinions (43, 65) which rotate together with a hub (42, 66) having a boss (48, 68) inserted in a ball bearing (36, 69) with balls (32, 70) which is integral with the internal face (48) of the side (49) of the box.
6. Roller shutter as claimed in claim 1, characterised in that the freely rotating tip (41, 71) rotates integrally with the shaft (15, 17) and rotates freely with respect to the hub (42, 66).
7. Roller shutter as claimed in claim 1, characterised in that the freely rotating tip (41, 71) has a locking pin (51, 74) which in the active phase is acted upon by a resilient element (52, 75) held by a securing element (53, 76), and the locking pin (51, 74), the resilient element (52, 75) and the securing element (53, 76) are accommodated in a opening (54, 73) in the freely rotating tip (41, 71).
8. Roller shutter as claimed in claim 1, characterised in that in the active phase the locking pin (51, 74) has a lower end (57, 77) projecting with respect to the bore (58, 78) of the freely rotating tip (41, 71).
9. Roller shutter as claimed in claim 1, characterised in that the hub (42, 66) provided with the pinion (43, 65) has a groove (60, 79) co-operating with the lower end (57, 77) of the locking pin (51, 74).
10. Roller shutter as claimed in claim 1, characterised in that the groove (60, 79) has an active face (61, 80) parallel to the displacement of the locking pin (51, 74) and a set-back face (62, 81) perpendicular to the first and causing retraction of the lower end (57, 77) of the locking pin (51, 74).
11. Roller shutter as claimed in claim 1, characterised in that the set-back face (62) of the groove (60) is in the opposite direction to the set-back face (81) of the groove (79) with respect to the active face (61, 80).
12. Roller shutter as claimed in claim 1, characterised in that the rolling shaft (15) has a hub (42) which rotates integrally with an external control means.
13. Roller shutter as claimed in claim 1, characterised in that the rolling shaft (15) has a hub (42) which rotates integrally with a control means incorporated in the rolling shaft (15) and formed by an incorporated motor (89) the shaft (90) of which is connected by a coupling (91) to a driven shaft (92) which rotates integrally with the said hub (42).
EP84440053A 1983-11-21 1984-11-16 Roller shutter Expired EP0145628B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84440053T ATE47196T1 (en) 1983-11-21 1984-11-16 SHUTTERS.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8318610A FR2555244B1 (en) 1983-11-21 1983-11-21 ROLLING SHUTTER
FR8318610 1983-11-21
FR8403347A FR2560630B2 (en) 1984-03-01 1984-03-01 ROLLING SHUTTER
FR8403347 1984-03-01

Publications (3)

Publication Number Publication Date
EP0145628A2 EP0145628A2 (en) 1985-06-19
EP0145628A3 EP0145628A3 (en) 1985-12-18
EP0145628B1 true EP0145628B1 (en) 1989-10-11

Family

ID=26223697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84440053A Expired EP0145628B1 (en) 1983-11-21 1984-11-16 Roller shutter

Country Status (6)

Country Link
US (1) US4683932A (en)
EP (1) EP0145628B1 (en)
AU (1) AU550265B2 (en)
CA (1) CA1267073A (en)
DE (1) DE3480104D1 (en)
MA (1) MA20276A1 (en)

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Also Published As

Publication number Publication date
AU3574184A (en) 1985-05-30
EP0145628A2 (en) 1985-06-19
EP0145628A3 (en) 1985-12-18
CA1267073A (en) 1990-03-27
MA20276A1 (en) 1985-07-01
DE3480104D1 (en) 1989-11-16
US4683932A (en) 1987-08-04
AU550265B2 (en) 1986-03-13

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