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EP1518036B1 - Device with shutter winding about a drum - Google Patents

Device with shutter winding about a drum Download PDF

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Publication number
EP1518036B1
EP1518036B1 EP03729737.1A EP03729737A EP1518036B1 EP 1518036 B1 EP1518036 B1 EP 1518036B1 EP 03729737 A EP03729737 A EP 03729737A EP 1518036 B1 EP1518036 B1 EP 1518036B1
Authority
EP
European Patent Office
Prior art keywords
shutter
drum
flap
roll
belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03729737.1A
Other languages
German (de)
French (fr)
Other versions
EP1518036A1 (en
Inventor
BenoƮt Coenraets
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.)
Entrematic Belgium NV
Original Assignee
Entrematic Belgium NV
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
Application filed by Entrematic Belgium NV filed Critical Entrematic Belgium NV
Publication of EP1518036A1 publication Critical patent/EP1518036A1/en
Application granted granted Critical
Publication of EP1518036B1 publication Critical patent/EP1518036B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B9/11—Roller shutters
    • 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
    • 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
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • 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
    • E06B2009/155—Slats connected by separate elements
    • E06B2009/1555—Flexible elements, e.g. tapes, strips, cords or chains
    • E06B2009/1561—Strips
    • 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
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/171—Rollers therefor; Fastening roller shutters to rollers
    • E06B2009/1716—Arrangements to improve rolling of the shutter on the roller

Definitions

  • the invention relates to a shutter device cooperating with drive means so as to allow the shutter to move between an open position and a closed position, this shutter being intended for closing a bay or another opening.
  • the device comprises a drum around which the flap is wound in its open position of the latter by forming a roller consisting of turns formed by successive superimposed layers of the flap, the latter can be unwound from the drum to its closed position.
  • the flap is unwound by rotating the drum about its axis, so that the flap goes down by closing the bay while the side edges of the latter are preferably guided in two guideways extending parallel to each other.
  • a thrust force is exerted on the lateral edges of the flap in their longitudinal direction.
  • gathers may be formed in the part of the flap located above the upper end of the guide tracks at the drum. This can seriously interfere with the normal operation of the device.
  • the object of the invention is to overcome these drawbacks by presenting a shutter device which is open and closed in a controlled manner by ensuring that a very regular roll is obtained during the opening of the shutter and that the shutter runs without that gathers are formed in the flap upstream of the paths of guide. More particularly, the invention aims to provide a device in which, during the winding of the flap around the drum it forms superimposed layers of very regular and uniform turns.
  • confinement means are provided which make it possible to prevent the turns from forming folds when the shutter is moved towards the closed position and / or when these turns slide relative to one another.
  • the confinement means comprise hooking means extending along the length of the flap on at least one of the faces of the latter, these attachment means fixing the successive turns to one another in order to prevent the successive layers of the rolled shutter slide relative to each other.
  • the attachment means comprise a strip, preferably of flexible material, extending over at least one of the two sides of the shutter along the length of the latter, this strip being provided with at least one projection which cooperates with the corresponding part of the other side of the flap so that said projection grips with this part when the flap is wound around the drum.
  • the attachment means comprise a ribbon provided with hooks extending on either side of the plane of the flap so that the hooks on one side of the flap can grip with the hooks. on the other side of the shutter when it is rolled up.
  • At least one pressure element is provided for exerting a substantially radial thrust force with respect to the drum on the hooking means in order to fix the successive turns of the roller. one to the other.
  • the confinement means comprise a belt at least partially surrounding the aforementioned roller and exerting a compressive force on the roller, means being provided to adapt the shape of this belt to the roll diameter during winding or unwinding of the shutter.
  • means are provided for exerting a traction force on one of the ends of the belt, so that at least a portion of the belt extends along the contour of the belt. roll by exerting a pressing force thereon during winding or unwinding of the shutter.
  • the aforesaid belt is closed on itself and is guided on cylinders extending substantially parallel to the axis of the drum, the aforesaid roller being at least partially surrounded by the belt which is in contact with the outer turn of the roll by exerting a compressive force on the latter.
  • At least one of the aforesaid cylinders is movably mounted relative to the drum in order to adapt the shape of the belt to the diameter of the roll during the winding or unwinding of the shutter.
  • the present invention relates to a flap device cooperating with drive means, such as a drum whose axis is connected to the shaft of an electric motor.
  • the flap moves in downward and upward movement between, respectively, a closed position and an open position, and is intended for closing a bay in a wall or passage, such as a corridor.
  • any planar element that is at least partially flexible or flexible such as tarpaulin, plastic tape, wire cloth, wire mesh, sheet metal, mosquito net, etc. It is more particularly a flap that can be wound around a drum whose axis is perpendicular to the direction of movement of the flap during opening of the latter.
  • the shutter device is shown schematically in the closed position.
  • This device comprises a shutter 1 with lateral edges 2 and 3 protruding from the plane of the flap 1 which are advantageously formed by a continuous bead or by a succession of small blocks articulated with respect to each other moving in guideways 4 and 5.
  • Guideways 4 and 5 are provided on either side of a bay 6 which is present in a wall 7.
  • a drum 8 on which the flap 1 can be wound.
  • an electric motor 9 which drives the drum 8 about its axis. This makes it possible to wind the shutter 1 on the drum 8 to bring it into the open position or to unwind the shutter 1 towards its closed position.
  • the lateral edges 2 and 3 thereof are guided by the guideways 4 and 5.
  • a transparent window 10 In the middle of the shutter 1 is provided a transparent window 10.
  • the shutter 1 When the shutter 1 is opened, it is wound around the drum 8 by forming a roll consisting of turns formed by successive superimposed layers of the shutter 1.
  • confinement means are provided, making it possible to obtain a very compact roll in which the successive turns are clamped against each other. These confinement means thus make it possible to prevent the turns of the roll from forming folds during the unwinding of the shutter 1 at the moment when its edges engage in the upper end of the guideways 4 and 5.
  • the confinement means comprise, in particular, fastening means, which extend along the length of the flap 1 on at least one of the faces thereof.
  • fastening means which extend along the length of the flap 1 on at least one of the faces thereof.
  • a first embodiment of the invention is shown schematically in the Figures 3 and 4 .
  • These figures show part of the shutter 1 at the location of one of the lateral edges 2 or 3 which are formed by a continuous bead.
  • the flap 1 has, in particular, close to the lateral edges 2 and 3, fastening means 11 which comprise projections 12 extending along the length of the flap 1 on one of the faces thereof. During the winding of the shutter 1, these projections grip in corresponding recesses 13 provided on the other face of the shutter 1. In this way, the successive turns of the shutter 1 which is wound around the drum 8 are fixed to the one compared to the other.
  • the different layers of the shutter 1, which form these turns can not slide relative to each other.
  • the projections 12 are, in particular, clamped in the corresponding recesses 13 in order to fix the successive turns to each other.
  • the area of the flap 1, which is provided with said projections 12 and corresponding recesses 13, is made of an elastomeric material, such as polyurethane.
  • an elastomeric material increases the attachment of the projections 12 in the recesses 13.
  • FIGS 5 and 6 represent a second embodiment of the flap 1 according to the invention, wherein the attachment means 11 comprise a ribbon 14 provided with hooks.
  • a ribbon 14 is, for example, formed by hooks VelcroĀ® type which is fixed to both sides of the flap 1 in such a way that, when the flap 1 is wound around the drum 8, the hooks of the ribbon 14 of one of the faces of the flap grip with the hooks of the ribbon 14 which is provided on the other side of the flap.
  • the strips extend in the longitudinal direction of the flap 1 near each of the lateral edges 2 and 3 of the latter.
  • the strips 14 are preferably substantially continuous, it is also possible that an interrupted succession of strips in the longitudinal direction of the flap 1 is provided.
  • FIGS 7 to 9 represent a third embodiment of the attachment means according to the invention, wherein a toothed belt 15 is fixed to the flap 1 and extends in the longitudinal direction of the latter.
  • a toothed belt 15 is fixed to the flap 1 and extends in the longitudinal direction of the latter.
  • one side of the flap 1 is provided with a succession of teeth 16, while the other side of the flap 1 has corresponding notches 17.
  • the teeth 16 of a side of the latter cling with the notches 17 on the other side of the shutter 1 by preventing the sliding of the successive layers of the shutter 1 in the roll thus formed.
  • the flap 1 is provided with a succession of teeth along the lateral edges of the flap on only one face of the latter.
  • the other face then has a continuous band of an elastically compressible material, such as an artificial foam, so that, during the winding of the flap, the teeth compress this strip locally by forming recesses in which the teeth 'grip. In this way, the successive turns of the wound shutter can not slide relative to each other.
  • the figure 10 shows a cross section of the successive layers of a flap 1 which is wound around a drum 8, according to a fourth embodiment of the attachment means according to the invention.
  • the attachment means comprise a projection 12 which is fixed to the flap 1 and which extends in the longitudinal direction of the flap 1 near its lateral edge 2 or 3.
  • the projection 12 extends from one side of the shutter 1, in particular, parallel to the side edges 2 and 3 of the shutter 1 and cooperates with a groove 18 which is delimited by two ribs 19 and 20 of circular section which are provided on the other side of the shutter 1 and which also extend in the longitudinal direction of the shutter 1 and parallel to the lateral edges 2 and 3.
  • the section of the base of the projection 12 near the surface of the flap 1 is smaller than the section of the upper part, so that this projection 12 can be clamped in the groove 18 between the ribs 19 and 20 during the winding flap 1.
  • the ribs 19 and 20 may deform elastically during the introduction of the projection 12 in the groove 18.
  • the projection 12 is gradually clamped in the groove 18 between the ribs 19 and 20.
  • these ribs 19 and 20 approach one another with respect to their base 48 and the upper portion of the projection 12 widens and is flattened somewhat as the curvature of the flap 1 increases. In this way, the projection 12 is wedged between the ribs 19 and 20 in the groove 18 thus fixing the successive turns of the flap 1 to one another.
  • the shutter 1 When the shutter 1 is moved to its closed position, the shutter 1 gradually extends to the place where it is unrolled from the drum 8. At this point, the ribs 19 and 20 and the projection 12 return to their original shape, from so that the projection 12 can disengage ribs 19 and 20.
  • the side edges 2 and 3 are part of a continuous band 49 extending along the flap 1 also having the ribs 19 and 20 and the projection 12.
  • This band 49 is preferably made of an elastomeric material, such as polyurethane.
  • a band 49 is fixed such a band 49 to constitute the flap 1.
  • the projection 12 is preferably provided with a succession of notches 51 extending transversely with respect to its longitudinal direction. These notches 51 are spaced at a regular distance and prevent cracks forming in this projection 51 during the winding of the shutter 1.
  • This projection 51 is preferably provided on the face of the flap 1 which corresponds to the face outer turns formed when the shutter 1 is wound.
  • pointed rods 52 extending transversely to the plane of the flap 1 are present in the projection 12. These rods 52 extend with their point in the groove 18 so that, when the projection 12 is engaged in this groove 18 when the shutter 1 is wound, the rods 52 penetrate into the upper part of the projection 12 of the previous turn. In this way, the successive turns of the wound shutter 1 are hooked firmly to one another and can not slide relative to each other. This makes it possible to unwind the shutter 1 from its open position by exerting a thrust force on the side edges 2 and 3 of the shutter 1 following their longitudinal direction in the guideways 4 and 5 to move the flap 1 to its closed position. In this embodiment of the invention, the flap 1 can be very large.
  • the figure 13 represents a fifth embodiment of the hooking means according to the invention. This figure shows a cross section of a part of the successive layers of the shutter 1 formed during the winding of the latter around the drum 8.
  • the shutter 1 has, near the side edges 2 and 3, a W-shaped section thus defining on one side of the shutter 1 three ribs 21, 22 and 23 extending parallel to each other in the direction Longitudinal flap 1. Between these ribs 21, 22 and 23 are formed grooves 24 and 25. The other side of the flap 1 has two ribs 26 and 27 which correspond to the grooves 24 and 25. Between the latter ribs 26 and 27 s extends a groove 28.
  • Teeth 29 are provided where the ribs 21, 22 and 23 and the grooves 24 and 25 on one side of the flap 1 are in contact with the groove 28 and the ribs 26 and 27, respectively. other side of the shutter 1, while the latter is rolled up.
  • the teeth 29 on one side of the flap 1 grip with the teeth 29 on the other side of the shutter 1.
  • These teeth 29 form, in particular, a barbed zone in said grooves and on said ribs.
  • the location of the flap 1 having the W-shaped section is preferably made of an elastomeric material, such as polyurethane, which is sufficiently rigid to maintain said ribs in the corresponding grooves.
  • a pressure element which makes it possible to exert a thrust force on the attachment means in order to fix the successive turns of the shutter to one another, when the winding of the latter around the drum 8.
  • FIGS. Figures 14 to 16 This is schematically shown in FIGS. Figures 14 to 16 .
  • the shutter 1 is sandwiched between the portion of the shutter 1 which is already wound on the drum 8, forming a roller 31, and the pressure element.
  • This pressure element comprises, in particular, a rotary cylinder 30 whose axis is substantially parallel to the axis of the drum 8.
  • This cylinder 30 is provided at the location where, during the winding of the shutter 1, the surface the part of the shutter 1 which is not yet wound comes into contact with the part of the shutter 1 which already forms turns around the drum 8. Therefore, also at this point, the turns of the roll 31 take place and the means latches are detached during the unwinding of the shutter 1 to its closed position.
  • the compressor element 30 and the drum 8 are mounted movably relative to each other.
  • means are provided for maintaining a pressure force between the roller 31 and the pressure roll 30.
  • the rotary pressure cylinder 30 is fixedly mounted to the wall 7 above the bay 6, while the shaft 32 of the drum 8 can move in a horizontal direction in a horizontal slide 33 provided in a housing 46 of the device at each end of the shaft 32.
  • the drum 8 cooperates with two helical pressure springs 34 and 35, one end of which is fixed to the drum 8 and whose other end is mounted to the aforesaid housing 46. These springs 34 and 35 extend substantially parallel to the slideway 33. From in this way, the drum 8 moves in the direction of this slide 33 during winding or unwinding of the shutter by ensuring that a pressure force is maintained between the drum 8, or the roller 31, on the one hand, and the pressure cylinder, on the other hand.
  • the figure 16 schematically represents the pressure cylinder 30 when the flap 1 is provided with hooking means similar to those shown in FIG. figure 13 .
  • the ribs are engaged in the corresponding grooves in order to fix the successive turns of the flap 1 to one another.
  • the attachment means 11 must be such that the superimposed turns of a flap 1 wound on a drum 8 are fixed to one another, but that these turns are detached automatically as one of the the other when the drum 8 is rotated in the opposite direction to the winding of the flap 1 on the drum 8.
  • FIGS 17 to 19 represent a particular embodiment of the device according to the invention, wherein the confinement means comprise a belt 36 which at least partially surrounds the roller 31 formed by the flap wound on the drum 8.
  • This belt 36 exerts a compressive force on the roller 31 during the winding or during the unwinding of the flap 1 and has means for continuously adapting the shape of the belt 36 to the diameter of the roller 31.
  • This belt 36 defines a guide surface that allows the roller 31 to rotate about its axis as the belt 36 abuts with the guide surface on the roller 31.
  • the guide surface is in particular formed by a succession of rollers 37 which are provided on the face of the belt 36 which is directed towards the roller 31. These rollers 37 allow the roller 31 to rotate about its axis while a pressure force is exerted on the roller 31.
  • One end of the belt 36 is attached to a rod 38 which is located near the roller 31, between the latter and the part of the flap 1 which is not wound.
  • This rod 38 can move in a slot 39 extending radially relative to the axis of the drum 8.
  • the belt 36 extends from this rod 38 around the roller 31 so that the part of the flap 1 which 'is not wound is between the rod 38 and the belt 36.
  • a pulling force is exerted on the other end of the belt 36.
  • a weight 47 is fixed at this other end which can move vertically along the guideways 2 and 3.
  • FIGS. 20 and 21 show, in a very schematic manner, another interesting embodiment of the device according to the invention, in which a belt 40 closed on itself cooperates with the roller 31.
  • This closed belt 40 is guided on cylinders 41 which are located around the roller 31 at a distance from the latter.
  • the axis of these cylinders extends substantially parallel to the axis of the drum 8.
  • the outer surface of the belt 40 surrounds the roller 31, preferably near the side edges 2 and 3, and encloses the roller 31 by exerting a pressing force thereon.
  • a free space 42 is provided through which the flap 1 can move towards the guideways 4 and 5 during its course.
  • the belt 40 which is in contact with the outer turn of the roller 31, is driven by the latter while moving on the cylinders 41.
  • the belt 40 may be made of an elastic material, such as rubber, so that it can lengthen when the diameter of the roller 31 increases during the winding of the flap 1, or can be shortened when this diameter decreases during the course of flap 1.
  • one of the cylinders 41, on which the belt 40 is guided can be mounted in a mobile manner and is, for example, connected to a spring thus ensuring that the belt 40 remains tense.
  • this movable cylinder is displaced as the diameter of the roll changes during winding or unwinding of the shutter 1.
  • the cylinder 41 which is located closest to the roller 31, in the space between the latter and the part of the uncoiled flap 1, can also be movable in order to maintain this cylinder near the roller 31 or in support thereof. latest.
  • the confinement means comprise a succession of suction cups 53 extending along the lateral edges 2 and 3 of the flap 1.
  • a pressure cylinder 30 is provided at the place where the unwound flap is transformed into a roller 31 consisting of successive turns during the winding of the flap 1. This cylinder 30 exerts a thrust force on the flap at the location of the suction cups 53 in order to adhere these latter to the outer face of the turn of the shutter 1 which has just formed.
  • the shutter device according to the invention may comprise a flap which consists of a succession of rigid lamellae 54 which are articulated with respect to each other.
  • a shutter device is shown schematically in the Figures 24 and 25 .
  • the flaps 54 of the flap extend parallel to the axis of the drum 8.
  • Each lamella 54 is provided at each of its ends with a tooth 55 which extends transversely with respect to the plane of the shutter 1 at one face of the latter.
  • each lamella 54 is provided with a notch 56 so that, during the winding of the shutter 1 around the drum 8, the teeth 55 are engaged in the notches 56 thus forming a roller 31 whose successive turns are fixed to one another and can not slide relative to each other.
  • a pressure element 57 is provided which makes it possible to exert a thrust force on the flap 1 at the place where the turns are formed during the opening of the flap 1 and the flap 1 is unwound during the closure of the latter.
  • This pressure element 57 comprises two cylinders 58 and 59 that can rotate freely about their axis 60 which is parallel to the axis of the drum 8.
  • a belt 61 closed on itself is guided on the cylinders 58 and 59 relying on a part of the periphery of the roller 31.
  • Said cylinders 58 and 59 are located at a distance from each other so that the belt 61 which is guided around the cylinders 58 and 59 bears against the roll 31.
  • the shaft 32 of the drum 8 moves in a slideway 33 extending in a direction perpendicular to the plane of the part of the unwound flap when opening or opening.
  • shutter closure 1 a spring, not shown in figure 24 , is provided which exerts a pressing force on the shaft 32 or on the cylinders 58 and 59 and which maintains a pressure force between the roller 31 and the belt 61.
  • the figure 26 represents a drum 8 on which is wound a shutter 1 formed by a flexible sheet 50 having side edges 2 and 3 which project relative to the plane of the flap 1 next to the latter which is directed towards the drum 8.
  • the drum 8 comprises a cylinder 62 whose ends 63 are flared thus having a substantially conical shape. These conical ends 63 are provided with a notch 64 extending in a spiral around their outer surface.
  • the flap 1 is preferably trapezoidal in shape so that the width of the flap 1 at the location of the lower edge 65 thereof is greater than the width of the upper part of the flap 1.
  • the distance between the flap 4 and 5 increases gradually from the upper end of the guide tracks 4 and 5 near the drum 8 to the lower end of these guideways 4 and 5.
  • the figure 27 represents a variant of this last embodiment in which the successive turns of the shutter 1, wound around the drum 8, are fixed to one another during the winding of the shutter 1.
  • the lateral edges 2 and 3 of the shutter 1 have a rib 66 extending transversely to the plane of the flap 1.
  • This rib is provided with a notch 67 and 68 to each of the lateral faces of the rib 66.
  • this rib 66 extends beyond the previous turn of the flap 1 and engages in the notch 67 of the rib of the previous turn. In this way, the successive turns of the shutter 1 are fixed to one another during the winding of the shutter 1.
  • a pressure element 57 is provided which is formed by a cylinder whose axis is preferably parallel to the axis of the drum 8. This cylinder bears on the side edge 2 or 3 of the portion of the flap 1 which turns into a turn so as to insert the rib 66 in the notch 67 of the previous turn.
  • FIGS. figures 30 and 32 represent yet another embodiment of the invention in which an elongated member 69 is provided extending along the lateral edge 2 or 3 of the flap 1.
  • This member 69 is incompressible in its longitudinal direction and is supported on a part protruding 70 provided at the side edge 2 or 3 of the flap 1.
  • this member 69 is wound together with the flap 1 by forming successive turns as shown in FIGS. figures 30 and 32 .
  • a pushing force is exerted on the member 69 along its longitudinal direction.
  • the lower end of the member 69 acts on said projecting portion 70 located near the lower edge 65 of the shutter 1.
  • the member 69 may be driven by the shaft 32 of the drum 8 or directly, for example, by an electric motor.
  • the incompressible member 69 When the flap 1 is in the open position, the incompressible member 69 is wound around the drum 8 forming superposed turns.
  • the member 69 is provided with hooking means for fixing the successive turns to one another so that, during the unwinding of the flap 1, for example, by the drive of the drum 8, a pushing force is exerted on the incompressible member 69 along its longitudinal direction.
  • the attachment means comprise, in particular a succession of teeth 71 provided on one side of the member 69, while corresponding notches 72 are provided on the opposite face of this member 69. In this way, during the winding of the shutter 1, the successive turns formed by the member 69 grip one into the other when the teeth 71 engage in the notches 72.
  • the incompressible member 69 is also moved in these guide paths when the flap 1 is opened or closed.
  • the flap 1 has a thickening 73 extending along the length of the shutter 1 whose thickness in a direction perpendicular to the plane of the flap 1 corresponds essentially to the thickness of the incompressible member 69 in this direction.
  • the roller formed by the flap 1 and the roll formed during the winding of the member 69 have the same diameter.
  • the incompressible member 69 may be constituted by a rod of a flexible material such as, for example, polyurethane reinforced with glass fibers, or may be formed by a Kevlar rod. It is also possible to use a metal chain or a synthetic material whose links are provided with means for gripping one into the other when the chain is wound.
  • a pressure cylinder 30 is provided at the place where the member 69 winds to form said turns when opening the flap 1. This cylinder 30 exerts a pressure force on the member 69 to engage the teeth 71 of the turn which is formed in the notches 72 of the previous turn.
  • the attachment means may for example comprise a succession of permanent magnets which extend in the longitudinal direction of the flap to one side of the latter.
  • the confinement means and the attachment means are located at or near the side edges 2 and 3 of the flap 1, it is also possible that these means are provided, for example, substantially in the middle between the side edges 2 and 3 or they extend over the entire width of the flap 1.
  • the shutter device according to the invention is not limited to doors with vertical guideways, but may also have horizontal guideways or extending in any direction when the shutter is, for example, used as sunscreen.
  • the ribs may be constituted by a succession of projections extending at a certain distance from one another.

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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)
  • Power-Operated Mechanisms For Wings (AREA)
  • Bay Windows, Entrances, And Structural Adjustments Related Thereto (AREA)

Description

L'invention est relative Ć  un dispositif Ć  volet coopĆ©rant avec des moyens d'entraĆ®nement de maniĆØre Ć  permettre de dĆ©placer le volet entre une position d'ouverture et une position de fermeture, ce volet Ć©tant destinĆ© Ć  la fermeture d'une baie ou d'une autre ouverture. Le dispositif comprend un tambour autour duquel le volet est enroulĆ© dans sa position d'ouverture de ce dernier en formant un rouleau constituĆ© de spires formĆ©es par des couches successives superposĆ©es du volet, ce dernier pouvant ĆŖtre dĆ©roulĆ© du tambour vers sa position de fermeture.The invention relates to a shutter device cooperating with drive means so as to allow the shutter to move between an open position and a closed position, this shutter being intended for closing a bay or another opening. The device comprises a drum around which the flap is wound in its open position of the latter by forming a roller consisting of turns formed by successive superimposed layers of the flap, the latter can be unwound from the drum to its closed position.

Dans de tels dispositifs, connus jusqu'Ć  prĆ©sent, le volet est dĆ©roulĆ© en faisant tourner le tambour autour de son axe, de sorte que le volet descend en fermant la baie pendant que les bords latĆ©raux de ce dernier sont, de prĆ©fĆ©rence, guidĆ©s dans deux chemins de guidage s'Ć©tendant parallĆØlement l'un Ć  l'autre. Par la rotation du tambour une force de poussĆ©e est exercĆ©e sur les bords latĆ©raux du volet suivant leur direction longitudinale.In such devices, known hitherto, the flap is unwound by rotating the drum about its axis, so that the flap goes down by closing the bay while the side edges of the latter are preferably guided in two guideways extending parallel to each other. By the rotation of the drum a thrust force is exerted on the lateral edges of the flap in their longitudinal direction.

Le document US 4 921 033 dƩcrit un volet mƩtallique avec un tambour autour duquel ce volet mƩtallique est enroulƩ dans sa position d'ouverture. Sur une des faces du volet sont fixƩs des rubans flexibles afin d'Ʃviter l'usure de la surface des spires successives du volet lorsque celui-ci est enroulƩ ou dƩroulƩ du tambour.The document US 4,921,033 discloses a metal flap with a drum around which this metal flap is wound in its open position. On one side of the flap are attached flexible tapes to prevent wear of the surface of the successive turns of the flap when it is wound or unwound from the drum.

Cet Ć©tat de la technique prĆ©sente plusieurs inconvĆ©nients. PremiĆØrement, l'on constate que le rouleau formĆ© pendant l'ouverture du volet est trĆØs volumineux et est souvent trĆØs irrĆ©gulier.This state of the art has several disadvantages. First, it is found that the roll formed during the opening of the shutter is very bulky and is often very irregular.

DeuxiĆØmement, pendant la fermeture du volet, des fronces peuvent ĆŖtre formĆ©es dans la partie du volet situĆ©e au-dessus de l'extrĆ©mitĆ© supĆ©rieure des chemins de guidage Ć  l'endroit du tambour. Ceci peut sĆ©rieusement gĆŖner le fonctionnement normal du dispositif.Secondly, during shutter closure, gathers may be formed in the part of the flap located above the upper end of the guide tracks at the drum. This can seriously interfere with the normal operation of the device.

TroisiĆØmement, l'on constate que la surface du volet devient griffĆ©e aprĆØs un certain nombre d'ouvertures et de fermetures du volet. Ceci est, en particulier, un dĆ©savantage lorsque le volet prĆ©sente une ou plusieurs fenĆŖtres qui perdent leur transparence aprĆØs un certain temps.Third, it is found that the surface of the flap becomes scratched after a number of openings and closures of the shutter. This is, in particular, a disadvantage when the shutter has one or more windows that lose their transparency after a certain time.

L'invention a pour but de remĆ©dier Ć  ces inconvĆ©nients en prĆ©sentant un dispositif Ć  volet qui est ouvert et fermĆ© d'une maniĆØre contrĆ“lĆ©e en garantissant qu'un rouleau trĆØs rĆ©gulier est obtenu pendant l'ouverture du volet et que ce dernier se dĆ©roule sans que des fronces soient formĆ©es dans le volet en amont des chemins de guidage. Plus particuliĆØrement, l'invention vise Ć  proposer un dispositif dans lequel, lors de l'enroulement du volet autour du tambour celui-ci forme des couches superposĆ©es de spires trĆØs rĆ©guliĆØres et uniformes.The object of the invention is to overcome these drawbacks by presenting a shutter device which is open and closed in a controlled manner by ensuring that a very regular roll is obtained during the opening of the shutter and that the shutter runs without that gathers are formed in the flap upstream of the paths of guide. More particularly, the invention aims to provide a device in which, during the winding of the flap around the drum it forms superimposed layers of very regular and uniform turns.

A cet effet, des moyens de confinement sont prƩvus qui permettent d'Ʃviter que les spires forment des fronces lors du dƩplacement du volet vers la position de fermeture et/ou que ces spires glissent l'une par rapport Ơ l'autre.For this purpose, confinement means are provided which make it possible to prevent the turns from forming folds when the shutter is moved towards the closed position and / or when these turns slide relative to one another.

Les moyens de confinement comprennent des moyens d'accrochage s'Ʃtendant suivant la longueur du volet sur au moins une des faces de ce dernier, ces moyens d'accrochage fixant les spires successives l'une Ơ l'autre afin d'Ʃviter que les couches successives du volet enroulƩ glissent l'une par rapport Ơ l'autre.The confinement means comprise hooking means extending along the length of the flap on at least one of the faces of the latter, these attachment means fixing the successive turns to one another in order to prevent the successive layers of the rolled shutter slide relative to each other.

Avantageusement, les moyens d'accrochage comprennent une bande , de prĆ©fĆ©rence de matiĆØre souple, s'Ć©tendant sur au moins une des deux faces du volet suivant la longueur de ce dernier, cette bande Ć©tant pourvue d'au moins une saillie qui coopĆØre avec la partie correspondante de l'autre face du volet de sorte que ladite saillie s'agrippe avec cette partie lorsque le volet est enroulĆ© autour du tambour.Advantageously, the attachment means comprise a strip, preferably of flexible material, extending over at least one of the two sides of the shutter along the length of the latter, this strip being provided with at least one projection which cooperates with the corresponding part of the other side of the flap so that said projection grips with this part when the flap is wound around the drum.

D'une faƧon intĆ©ressante, les moyens d'accrochage comprennent un ruban pourvu de crochets s'Ć©tendant de part et d'autre du plan du volet de maniĆØre Ć  ce que les crochets d'un cĆ“tĆ© du volet puissent s'agripper avec les crochets de l'autre cĆ“tĆ© du volet lorsque celui-ci est enroulĆ©.In an interesting way, the attachment means comprise a ribbon provided with hooks extending on either side of the plane of the flap so that the hooks on one side of the flap can grip with the hooks. on the other side of the shutter when it is rolled up.

Suivant une forme de rƩalisation avantageuse du dispositif, suivant l'invention, au moins un ƩlƩment de pression est prƩvu permettant d'exercer une force de poussƩe sensiblement radiale par rapport au tambour sur les moyens d'accrochage afin de fixer les spires successives du rouleau l'une Ơ l'autre.According to an advantageous embodiment of the device, according to the invention, at least one pressure element is provided for exerting a substantially radial thrust force with respect to the drum on the hooking means in order to fix the successive turns of the roller. one to the other.

Suivant une forme de rĆ©alisation particuliĆØre du dispositif, suivant l'invention, les moyens de confinement comprennent une courroie entourant au moins partiellement le rouleau susmentionnĆ© et exerƧant une force de compression sur le rouleau, des moyens Ć©tant prĆ©vus pour adapter la forme de cette courroie au diamĆØtre du rouleau lors de l'enroulement ou du dĆ©roulement du volet.According to a particular embodiment of the device, according to the invention, the confinement means comprise a belt at least partially surrounding the aforementioned roller and exerting a compressive force on the roller, means being provided to adapt the shape of this belt to the roll diameter during winding or unwinding of the shutter.

Suivant une forme de rĆ©alisation spĆ©cifique de l'invention, des moyens sont prĆ©vus pour exercer une force de traction sur l'une des extrĆ©mitĆ©s de la courroie, de sorte qu'au moins une partie de cette derniĆØre s'Ć©tend suivant le contour du rouleau en exerƧant une force de pression sur celui-ci pendant l'enroulement ou le dĆ©roulement du volet.According to a specific embodiment of the invention, means are provided for exerting a traction force on one of the ends of the belt, so that at least a portion of the belt extends along the contour of the belt. roll by exerting a pressing force thereon during winding or unwinding of the shutter.

Suivant une forme de rĆ©alisation particuliĆØre du dispositif, suivant l'invention, la courroie susdite est fermĆ©e sur elle-mĆŖme et est guidĆ©e sur des cylindres s'Ć©tendant sensiblement parallĆØlement Ć  l'axe du tambour, le rouleau susdit Ć©tant au moins partiellement entourĆ© par la courroie qui est en contact avec la spire extĆ©rieure du rouleau en exerƧant une force de compression sur ce dernier.According to a particular embodiment of the device, according to the invention, the aforesaid belt is closed on itself and is guided on cylinders extending substantially parallel to the axis of the drum, the aforesaid roller being at least partially surrounded by the belt which is in contact with the outer turn of the roll by exerting a compressive force on the latter.

Avantageusement, au moins un des cylindres susdits est montĆ© de maniĆØre mobile par rapport au tambour afin d'adapter la forme de la courroie au diamĆØtre du rouleau pendant l'enroulement ou le dĆ©roulement du volet.Advantageously, at least one of the aforesaid cylinders is movably mounted relative to the drum in order to adapt the shape of the belt to the diameter of the roll during the winding or unwinding of the shutter.

D'autres dĆ©tails et particularitĆ©s de l'invention ressortiront de la description donnĆ©e, ci-aprĆØs, Ć  titre d'exemple non limitatif, de quelques formes de rĆ©alisation particuliĆØres d'un dispositif Ć  volet, suivant l'invention, avec rĆ©fĆ©rence aux dessins annexĆ©s.

  • La figure 1 est une vue schĆ©matique de face d'un dispositif Ć  volet dans la position de fermeture du volet.
  • La figure 2 est une vue latĆ©rale du dispositif Ć  volet de la figure 1.
  • La figure 3 est une vue de face d'un bord latĆ©ral d'un volet suivant une premiĆØre forme de rĆ©alisation du dispositif Ć  volet, suivant l'invention.
  • La figure 4 est une coupe transversale du bord latĆ©ral du volet suivant la ligne IV-IV de la figure 3.
  • La figure 5 est une vue de face d'un bord latĆ©ral d'un volet suivant une deuxiĆØme forme de rĆ©alisation du dispositif Ć  volet, suivant l'invention.
  • La figure 6 est une coupe transversale du bord latĆ©ral du volet suivant la ligne VI-VI de la figure 5.
  • La figure 7 est une vue de face d'un bord latĆ©ral d'un volet suivant une troisiĆØme forme de rĆ©alisation du dispositif Ć  volet, suivant l'invention.
  • La figure 8 est une coupe transversale du bord latĆ©ral du volet suivant la ligne VIII-VIII de la figure 7.
  • La figure 9 est une coupe transversale du bord latĆ©ral du volet suivant la ligne IX-IX de la figure 7.
  • La figure 10 est, Ć  une plus grande Ć©chelle, une section schĆ©matique de quelques couches superposĆ©es d'un rouleau du volet enroulĆ©, suivant une quatriĆØme forme de rĆ©alisation du dispositif Ć  volet, suivant l'invention.
  • La figure 11 est une vue en perspective d'une partie du bord latĆ©ral du volet de la figure 10.
  • La figure 12 est une vue analogue Ć  celle de la figure 10 d'une variante de la forme de rĆ©alisation de l'invention des figures 10 et 11.
  • La figure 13 est, Ć  une plus grande Ć©chelle, une section schĆ©matique de quelques couches d'un rouleau du volet enroulĆ©, suivant une cinquiĆØme forme de rĆ©alisation du dispositif Ć  volet, suivant l'invention.
  • La figure 14 est une coupe schĆ©matique transversale d'un tambour avec un Ć©lĆ©ment compresseur dans la position de fermeture du volet, suivant une forme de rĆ©alisation particuliĆØre l'invention.
  • La figure 15 est une coupe correspondant Ć  celle de la figure 14 avec le volet dans la position d'ouverture.
  • La figure 16 est une coupe horizontale trĆØs schĆ©matique suivant la ligne XV-XV de la figure 15.
  • La figure 17 est une vue latĆ©rale schĆ©matique d'une forme de rĆ©alisation particuliĆØre du dispositif, suivant l'invention, lorsque le volet est dans la position d'ouverture.
  • La figure 18 est une vue analogue Ć  celle de la figure 17 lors de la fermeture du volet.
  • La figure 19 est une vue analogue Ć  celle de la figure 17 lorsque le volet est dans la position de fermeture.
  • La figure 20 est une vue latĆ©rale schĆ©matique d'une forme de rĆ©alisation intĆ©ressante du dispositif, suivant l'invention, lorsque le volet est dans la position d'ouverture.
  • La figure 21 est une vue analogue Ć  celle de la figure 20 lorsque le volet est dans la position de fermeture.
  • La figure 22 est une vue latĆ©rale schĆ©matique d'une autre forme de rĆ©alisation d'un tambour autour duquel est enroulĆ© un volet, suivant l'invention, lorsque le volet est dans la position d'ouverture.
  • La figure 23 est une coupe suivant la ligne XXIII-XXIII de la figure 22.
  • La figure 24 est une section transversale d'un rouleau formĆ© par des spires successives d'un volet prĆ©sentant des lamelles rigides articulĆ©es l'une par rapport Ć  l'autre.
  • La figure 25 est une section suivant la ligne XXV-XXV de la figure 24.
  • La figure 26 est une coupe longitudinale d'un tambour autour duquel un volet est enroulĆ©.
  • La figure 27 est une coupe longitudinale d'un tambour autour duquel un volet est enroulĆ© suivant une variante du dispositif Ć  volet de la figure 26.
  • La figure 28 est une vue schĆ©matique d'une partie d'un volet avec un organe incompressible, suivant une forme de rĆ©alisation de l'invention.
  • La figure 29 est une coupe schĆ©matique suivant la ligne IXXX-IXXX de la figure 28.
  • La figure 30 est une vue en perspective du volet enroulĆ© suivant la forme de rĆ©alisation des figures 28 et 29.
  • La figure 31 est une section horizontale du tambour duquel le volet est dĆ©roulĆ©.
  • La figure 32 est une section analogue Ć  celle de la figure 31 lorsque le volet est enroulĆ©.
Other details and particularities of the invention will emerge from the description given below, by way of nonlimiting example, of some particular embodiments of a shutter device, according to the invention, with reference to the drawings. attached.
  • The figure 1 is a schematic front view of a shutter device in the closed position of the shutter.
  • The figure 2 is a side view of the shutter device of the figure 1 .
  • The figure 3 is a front view of a side edge of a flap according to a first embodiment of the shutter device according to the invention.
  • The figure 4 is a cross-section of the lateral edge of the shutter along line IV-IV of the figure 3 .
  • The figure 5 is a front view of a side edge of a shutter according to a second embodiment of the shutter device according to the invention.
  • The figure 6 is a transverse section of the lateral edge of the shutter along the line VI-VI of the figure 5 .
  • The figure 7 is a front view of a side edge of a shutter according to a third embodiment of the shutter device according to the invention.
  • The figure 8 is a cross-section of the lateral edge of the flap along line VIII-VIII of the figure 7 .
  • The figure 9 is a cross-section of the lateral edge of the shutter along line IX-IX of the figure 7 .
  • The figure 10 is, on a larger scale, a schematic section of a few superposed layers of a roll of the wound shutter, according to a fourth embodiment of the shutter device according to the invention.
  • The figure 11 is a perspective view of a portion of the side edge of the shutter of the figure 10 .
  • The figure 12 is a view similar to that of the figure 10 of a variant of the embodiment of the invention of the Figures 10 and 11 .
  • The figure 13 is, on a larger scale, a schematic section of a few layers of a roll of the rolled shutter, according to a fifth embodiment of the shutter device according to the invention.
  • The figure 14 is a schematic cross section of a drum with a compressor element in the closed position of the flap, according to a particular embodiment of the invention.
  • The figure 15 is a section corresponding to that of the figure 14 with the flap in the open position.
  • The figure 16 is a very schematic horizontal section along line XV-XV of the figure 15 .
  • The figure 17 is a schematic side view of a particular embodiment of the device according to the invention, when the flap is in the open position.
  • The figure 18 is a view similar to that of the figure 17 when closing the shutter.
  • The figure 19 is a view similar to that of the figure 17 when the flap is in the closed position.
  • The figure 20 is a schematic side view of an interesting embodiment of the device according to the invention, when the flap is in the open position.
  • The figure 21 is a view similar to that of the figure 20 when the flap is in the closed position.
  • The figure 22 is a schematic side view of another embodiment of a drum around which is wound a flap, according to the invention, when the flap is in the open position.
  • The figure 23 is a section along line XXIII-XXIII of the figure 22 .
  • The figure 24 is a cross section of a roller formed by successive turns of a flap having rigid lamellae articulated with respect to each other.
  • The figure 25 is a section following line XXV-XXV of the figure 24 .
  • The figure 26 is a longitudinal section of a drum around which a flap is wound.
  • The figure 27 is a longitudinal section of a drum around which a flap is wound according to a variant of the flap device of the figure 26 .
  • The figure 28 is a schematic view of a portion of a flap with an incompressible member, according to one embodiment of the invention.
  • The figure 29 is a schematic section along line IXXX-IXXX of the figure 28 .
  • The figure 30 is a perspective view of the rolled shutter according to the embodiment of Figures 28 and 29 .
  • The figure 31 is a horizontal section of the drum from which the shutter is unwound.
  • The figure 32 is a section similar to that of the figure 31 when the shutter is rolled up.

Dans les diffĆ©rentes figures les mĆŖmes chiffres de rĆ©fĆ©rence se rapportent aux mĆŖmes Ć©lĆ©ments ou Ć  des Ć©lĆ©ments analogues.In the different figures, the same reference numerals refer to the same elements or to similar elements.

D'une faƧon gƩnƩrale, la prƩsente invention est relative Ơ un dispositif Ơ volet coopƩrant avec des moyens d'entraƮnement, tel qu'un tambour dont l'axe est branchƩ sur l'arbre d'un moteur Ʃlectrique. Le volet se dƩplace suivant un mouvement descendant et ascendant entre, respectivement, une position de fermeture et une position d'ouverture, et est destinƩ Ơ la fermeture d'une baie dans une paroi ou d'un passage, tel qu'un couloir.In general, the present invention relates to a flap device cooperating with drive means, such as a drum whose axis is connected to the shaft of an electric motor. The flap moves in downward and upward movement between, respectively, a closed position and an open position, and is intended for closing a bay in a wall or passage, such as a corridor.

Par le mot "volet", il y a lieu de comprendre, dans le cadre de la prĆ©sente invention, tout Ć©lĆ©ment plan au moins partiellement souple ou flexible, tel qu'une bĆ¢che, une bande en une matiĆØre plastique, une toile mĆ©tallique, un treillis, une tĆ“le mĆ©tallique, un moustiquaire, etc. Il s'agit plus particuliĆØrement d'un volet qui peut ĆŖtre enroulĆ© autour d'un tambour dont l'axe est perpendiculaire Ć  la direction de dĆ©placement du volet lors de l'ouverture de ce dernier.By the word "component", it is appropriate to understand, in the context of the present invention, any planar element that is at least partially flexible or flexible, such as tarpaulin, plastic tape, wire cloth, wire mesh, sheet metal, mosquito net, etc. It is more particularly a flap that can be wound around a drum whose axis is perpendicular to the direction of movement of the flap during opening of the latter.

Il y a, toutefois, lieu de noter qu'une prĆ©fĆ©rence prononcĆ©e est donnĆ©e aux volets souples formĆ©s, par exemple, par une bĆ¢che. Les figures annexĆ©es se rapportent, par consĆ©quent, plus particuliĆØrement Ć  une telle bĆ¢che.It should be noted, however, that a pronounced preference is given to flexible flaps formed, for example, by a tarpaulin. The appended figures therefore relate more particularly to such a tarpaulin.

Dans la figure 1, le dispositif Ơ volet est reprƩsentƩ schƩmatiquement dans la position de fermeture. Ce dispositif comprend un volet 1 avec des bords latƩraux 2 et 3 saillant par rapport au plan du volet 1 qui sont avantageusement formƩs par un bourrelet continu ou par une succession de petits blocs articulƩs l'un par rapport Ơ l'autre se dƩplaƧant dans des chemins de guidage 4 et 5. Les chemins de guidage 4 et 5 sont prƩvus de part et d'autre d'une baie 6 qui est prƩsente dans une paroi 7.In the figure 1 , the shutter device is shown schematically in the closed position. This device comprises a shutter 1 with lateral edges 2 and 3 protruding from the plane of the flap 1 which are advantageously formed by a continuous bead or by a succession of small blocks articulated with respect to each other moving in guideways 4 and 5. Guideways 4 and 5 are provided on either side of a bay 6 which is present in a wall 7.

Au-dessus de la baie 6 est prĆ©vu un tambour 8 sur lequel le volet 1 peut ĆŖtre enroulĆ©. A l'intĆ©rieur du tambour 8 est agencĆ© un moteur Ć©lectrique 9 qui permet d'entraĆ®ner le tambour 8 autour de son axe. Ceci permet d'enrouler le volet 1 sur le tambour 8 pour l'amener dans la position d'ouverture ou de dĆ©rouler le volet 1 vers sa position de fermeture. Lors du dĆ©placement du volet 1 vers la position de fermeture, les bords latĆ©raux 2 et 3 de celui-ci sont guidĆ©s par les chemins de guidage 4 et 5.Above the bay 6 is provided a drum 8 on which the flap 1 can be wound. Inside the drum 8 is arranged an electric motor 9 which drives the drum 8 about its axis. This makes it possible to wind the shutter 1 on the drum 8 to bring it into the open position or to unwind the shutter 1 towards its closed position. When moving the shutter 1 to the closed position, the lateral edges 2 and 3 thereof are guided by the guideways 4 and 5.

Au milieu du volet 1 est prĆ©vue une fenĆŖtre transparente 10.In the middle of the shutter 1 is provided a transparent window 10.

Lors de l'ouverture du volet 1, celui-ci est enroulƩ autour du tambour 8 en formant un rouleau constituƩ de spires formƩes par des couches superposƩes successives du volet 1.When the shutter 1 is opened, it is wound around the drum 8 by forming a roll consisting of turns formed by successive superimposed layers of the shutter 1.

Suivant l'invention, des moyens de confinement sont prĆ©vus, permettant d'obtenir un rouleau trĆØs compact dans lequel les spires successives sont serrĆ©es l'une contre l'autre. Ces moyens de confinement permettent ainsi d'Ć©viter que les spires du rouleau forment des fronces lors du dĆ©roulement du volet 1 au moment oĆ¹ ses bords s'engagent dans l'extrĆ©mitĆ© supĆ©rieure des chemins de guidage 4 et 5.According to the invention, confinement means are provided, making it possible to obtain a very compact roll in which the successive turns are clamped against each other. These confinement means thus make it possible to prevent the turns of the roll from forming folds during the unwinding of the shutter 1 at the moment when its edges engage in the upper end of the guideways 4 and 5.

Les moyens de confinement comprennent, en particulier, des moyens d'accrochage, qui s'Ʃtendent suivant la longueur du volet 1 sur au moins une des faces de ce dernier. Lorsque le volet 1 est enroulƩ autour du tambour 8, ces moyens d'accrochage permettent de fixer les spires successives de celui-ci, l'une Ơ l'autre afin d'Ʃviter que les couches successives du volet 1 glissent l'une par rapport Ơ l'autre.The confinement means comprise, in particular, fastening means, which extend along the length of the flap 1 on at least one of the faces thereof. When the shutter 1 is wrapped around the drum 8, these means hooking allow to fix the successive turns thereof, to each other to prevent the successive layers of the flap 1 slide relative to each other.

Une premiĆØre forme de rĆ©alisation de l'invention est reprĆ©sentĆ©e schĆ©matiquement dans les figures 3 et 4. Ces figures montrent une partie du volet 1 Ć  l'endroit d'un des bords latĆ©raux 2 ou 3 qui sont formĆ©s par un bourrelet continu. Le volet 1 prĆ©sente, en particulier, Ć  proximitĆ© des bords latĆ©raux 2 et 3, des moyens d'accrochage 11 qui comprennent des saillies 12 s'Ć©tendant suivant la longueur du volet 1 sur une des faces de ce dernier. Lors de l'enroulement du volet 1, ces saillies s'agrippent dans des Ć©videments 13 correspondants prĆ©vus Ć  l'autre face du volet 1. De cette faƧon, les spires successives du volet 1 qui est enroulĆ© autour du tambour 8 sont fixĆ©es l'une par rapport Ć  l'autre.A first embodiment of the invention is shown schematically in the Figures 3 and 4 . These figures show part of the shutter 1 at the location of one of the lateral edges 2 or 3 which are formed by a continuous bead. The flap 1 has, in particular, close to the lateral edges 2 and 3, fastening means 11 which comprise projections 12 extending along the length of the flap 1 on one of the faces thereof. During the winding of the shutter 1, these projections grip in corresponding recesses 13 provided on the other face of the shutter 1. In this way, the successive turns of the shutter 1 which is wound around the drum 8 are fixed to the one compared to the other.

Par la prƩsence d'un certain frottement ou d'une certaine adhƩrence entre les saillies 12 et les Ʃvidements 13 correspondants, les diffƩrentes couches du volet 1, qui forment ces spires, ne peuvent pas glisser l'une par rapport Ơ l'autre. Les saillies 12 sont, en particulier, serrƩes dans les Ʃvidements correspondants 13 afin de fixer les spires successives l'une Ơ l'autre.By the presence of a certain friction or a certain adhesion between the projections 12 and the recesses 13 corresponding, the different layers of the shutter 1, which form these turns, can not slide relative to each other. The projections 12 are, in particular, clamped in the corresponding recesses 13 in order to fix the successive turns to each other.

De prĆ©fĆ©rence, la zone du volet 1, qui est pourvue desdites saillies 12 et des Ć©videments 13 correspondants, est constituĆ©e d'une matiĆØre Ć©lastomĆØre, comme par exemple du polyurĆ©thanne. En particulier, le choix d'une matiĆØre Ć©lastomĆØre augmente l'accrochage des saillies 12 dans les Ć©videments 13.Preferably, the area of the flap 1, which is provided with said projections 12 and corresponding recesses 13, is made of an elastomeric material, such as polyurethane. In particular, the choice of an elastomeric material increases the attachment of the projections 12 in the recesses 13.

Lors de la fermeture du volet 1 par la rotation du tambour 8, les saillies 12 se dƩgagent automatiquement des Ʃvidements 13 correspondants au fur et Ơ mesure que le volet 1 est dƩroulƩ.When closing the shutter 1 by the rotation of the drum 8, the projections 12 are automatically released from the corresponding recesses 13 as the flap 1 is unwound.

Les figures 5 et 6 reprĆ©sentent une deuxiĆØme forme de rĆ©alisation du volet 1 suivant l'invention, dans laquelle les moyens d'accrochage 11 comprennent un ruban 14 pourvu de crochets. Un tel ruban 14 est, par exemple, formĆ© par les crochets du type VelcroĀ® qui est fixĆ© aux deux faces du volet 1 d'une maniĆØre telle que, lorsque le volet 1 est enroulĆ© autour du tambour 8, les crochets du ruban 14 de l'une des faces du volet s'agrippent avec les crochets du ruban 14 qui est prĆ©vu Ć  l'autre face du volet. Les rubans s'Ć©tendent suivant la direction longitudinale du volet 1 Ć  proximitĆ© de chacun des bords latĆ©raux 2 et 3 de ce dernier.The Figures 5 and 6 represent a second embodiment of the flap 1 according to the invention, wherein the attachment means 11 comprise a ribbon 14 provided with hooks. Such a ribbon 14 is, for example, formed by hooks VelcroĀ® type which is fixed to both sides of the flap 1 in such a way that, when the flap 1 is wound around the drum 8, the hooks of the ribbon 14 of one of the faces of the flap grip with the hooks of the ribbon 14 which is provided on the other side of the flap. The strips extend in the longitudinal direction of the flap 1 near each of the lateral edges 2 and 3 of the latter.

Quoique les rubans 14 soient de prƩfƩrence sensiblement continus, il est Ʃgalement possible qu'une succession interrompue de rubans suivant la direction longitudinale du volet 1 est prƩvue.Although the strips 14 are preferably substantially continuous, it is also possible that an interrupted succession of strips in the longitudinal direction of the flap 1 is provided.

Les figures 7 Ć  9 reprĆ©sentent une troisiĆØme forme de rĆ©alisation des moyens d'accrochage suivant l'invention, dans laquelle une courroie crantĆ©e 15 est fixĆ©e au volet 1 et s'Ć©tend suivant la direction longitudinale de ce dernier. Ainsi, l'un des cĆ“tĆ©s du volet 1 est pourvu d'une succession de dents 16, tandis que l'autre cĆ“tĆ© du volet 1 prĆ©sente des entailles correspondantes 17. Lors de l'enroulement du volet 1, les dents 16 d'un cĆ“tĆ© de ce dernier s'agrippent avec les entailles 17 de l'autre cĆ“tĆ© du volet 1 en empĆŖchant le glissement des couches successives du volet 1 dans le rouleau ainsi formĆ©.The Figures 7 to 9 represent a third embodiment of the attachment means according to the invention, wherein a toothed belt 15 is fixed to the flap 1 and extends in the longitudinal direction of the latter. Thus, one side of the flap 1 is provided with a succession of teeth 16, while the other side of the flap 1 has corresponding notches 17. When winding the flap 1, the teeth 16 of a side of the latter cling with the notches 17 on the other side of the shutter 1 by preventing the sliding of the successive layers of the shutter 1 in the roll thus formed.

Dans une variante de cette forme de rĆ©alisation de l'invention, le volet 1 est pourvu d'une succession de dents le long des bords latĆ©raux du volet sur seulement une face de ce dernier. L'autre face prĆ©sent alors une bande continue d'une matiĆØre Ć©lastiquement compressible, comme par exemple une mousse artificielle, de sorte que, lors de l'enroulement du volet, les dents compriment cette bande localement en formant des creux dans lesquelles les dents s'agrippent. De cette faƧon, les spires successives du volet enroulĆ© ne peuvent pas glisser l'une par rapport Ć  l'autre.In a variant of this embodiment of the invention, the flap 1 is provided with a succession of teeth along the lateral edges of the flap on only one face of the latter. The other face then has a continuous band of an elastically compressible material, such as an artificial foam, so that, during the winding of the flap, the teeth compress this strip locally by forming recesses in which the teeth 'grip. In this way, the successive turns of the wound shutter can not slide relative to each other.

La figure 10 montre une section transversale des couches successives d'un volet 1 qui est enroulĆ© autour d'un tambour 8, suivant une quatriĆØme forme de rĆ©alisation des moyens d'accrochage suivant l'invention. Dans cette forme de rĆ©alisation, les moyens d'accrochage comprennent une saillie 12 qui est fixĆ©e au volet 1 et qui s'Ć©tend suivant la direction longitudinale du volet 1 Ć  proximitĆ© de son bord latĆ©ral 2 ou 3. La saillie 12 s'Ć©tend d'un cĆ“tĆ© du volet 1, en particulier, parallĆØlement aux bords latĆ©raux 2 et 3 du volet 1 et coopĆØre avec une rainure 18 qui est dĆ©limitĆ©e par deux nervures 19 et 20 de section circulaire qui sont prĆ©vues de l'autre cĆ“tĆ© du volet 1 et qui s'Ć©tendent Ć©galement suivant la direction longitudinale du volet 1 et parallĆØlement aux bords latĆ©raux 2 et 3.The figure 10 shows a cross section of the successive layers of a flap 1 which is wound around a drum 8, according to a fourth embodiment of the attachment means according to the invention. In this embodiment, the attachment means comprise a projection 12 which is fixed to the flap 1 and which extends in the longitudinal direction of the flap 1 near its lateral edge 2 or 3. The projection 12 extends from one side of the shutter 1, in particular, parallel to the side edges 2 and 3 of the shutter 1 and cooperates with a groove 18 which is delimited by two ribs 19 and 20 of circular section which are provided on the other side of the shutter 1 and which also extend in the longitudinal direction of the shutter 1 and parallel to the lateral edges 2 and 3.

La section de la base de la saillie 12 Ć  proximitĆ© de la surface du volet 1 est infĆ©rieure Ć  la section de la partie supĆ©rieure, de sorte que cette saillie 12 puisse ĆŖtre enserrĆ©e dans la rainure 18 entre les nervures 19 et 20 lors de l'enroulement du volet 1. A cet effet, les nervures 19 et 20 peuvent se dĆ©former Ć©lastiquement lors de l'introduction de la saillie 12 dans la rainure 18.The section of the base of the projection 12 near the surface of the flap 1 is smaller than the section of the upper part, so that this projection 12 can be clamped in the groove 18 between the ribs 19 and 20 during the winding flap 1. For this purpose, the ribs 19 and 20 may deform elastically during the introduction of the projection 12 in the groove 18.

En particulier, lors de l'enroulement de volet 1, la saillie 12 est graduellement enserrƩe dans la rainure 18 entre les nervures 19 et 20. SimultanƩment, ces nervures 19 et 20 s'approchent l'une de l'autre par rapport Ơ leur base 48 et la partie supƩrieure de la saillie 12 s'Ʃlargit et est aplatie quelque peu pendant que la courbure du volet 1 augmente. De cette faƧon, la saillie 12 est coincƩe entre les nervures 19 et 20 dans la rainure 18 en fixant ainsi les spires successives du volet 1 l'une Ơ l'autre.In particular, during the winding of shutter 1, the projection 12 is gradually clamped in the groove 18 between the ribs 19 and 20. At the same time, these ribs 19 and 20 approach one another with respect to their base 48 and the upper portion of the projection 12 widens and is flattened somewhat as the curvature of the flap 1 increases. In this way, the projection 12 is wedged between the ribs 19 and 20 in the groove 18 thus fixing the successive turns of the flap 1 to one another.

Lorsque le volet 1 est dĆ©placĆ© vers sa position de fermeture, le volet 1 s'allonge graduellement Ć  l'endroit oĆ¹ il est dĆ©roulĆ© du tambour 8. A cet endroit, les nervures 19 et 20 et la saillie 12 reprennent leur forme originale, de sorte que la saillie 12 peut se dĆ©gager des nervures 19 et 20.When the shutter 1 is moved to its closed position, the shutter 1 gradually extends to the place where it is unrolled from the drum 8. At this point, the ribs 19 and 20 and the projection 12 return to their original shape, from so that the projection 12 can disengage ribs 19 and 20.

Dans cette forme de rĆ©alisation de l'invention, les bords latĆ©raux 2 et 3 font parti d'une bande continue 49 s'Ć©tendant le long du volet 1 prĆ©sentant Ć©galement les nervures 19 et 20 et la saillie 12. Cette bande 49 est de prĆ©fĆ©rence constituĆ©e d'une matiĆØre Ć©lastomĆØre, comme par exemple du polyurĆ©thanne. A chacun des cĆ“tĆ©s latĆ©raux d'une bĆ¢che souple 50 est fixĆ©e une telle bande 49 afin de constituer le volet 1.In this embodiment of the invention, the side edges 2 and 3 are part of a continuous band 49 extending along the flap 1 also having the ribs 19 and 20 and the projection 12. This band 49 is preferably made of an elastomeric material, such as polyurethane. At each of the lateral sides of a flexible sheet 50 is fixed such a band 49 to constitute the flap 1.

Comme montrĆ© Ć  la figure 11 la saillie 12 est, de prĆ©fĆ©rence, pourvue d'une succession d'entailles 51 s'Ć©tendant transversalement par rapport Ć  sa direction longitudinale. Ces entailles 51 sont espacĆ©es d'une distance rĆ©guliĆØre et Ć©vitent que des fissures se forment dans cette saillie 51 lors de l'enroulement du volet 1. Cette saillie 51 est, de prĆ©fĆ©rence, pourvue Ć  la face du volet 1 qui correspond Ć  la face extĆ©rieure des spires formĆ©es lorsque le volet 1 est enroulĆ©.As shown in figure 11 the projection 12 is preferably provided with a succession of notches 51 extending transversely with respect to its longitudinal direction. These notches 51 are spaced at a regular distance and prevent cracks forming in this projection 51 during the winding of the shutter 1. This projection 51 is preferably provided on the face of the flap 1 which corresponds to the face outer turns formed when the shutter 1 is wound.

Dans une variante de cette forme de rĆ©alisation de l'invention, comme reprĆ©sentĆ© dans la figure 12, des tiges pointues 52 s'Ć©tendant transversalement par rapport au plan du volet 1 sont prĆ©sents dans la saillie 12. Ces tiges 52 s'Ć©tendent avec leur pointe dans la rainure 18 de sorte que, lors de l'engagement de la saillie 12 dans cette rainure 18 lorsque le volet 1 est enroulĆ©, les tiges 52 pĆ©nĆØtrent dans la partie supĆ©rieure de la saillie 12 de la spire prĆ©cĆ©dente. De cette faƧon, les spires successives du volet 1 enroulĆ© sont accrochĆ©es fermement l'une Ć  l'autre et ne peuvent pas glisser l'une par rapport Ć  l'autre. Ceci permet de dĆ©rouler le volet 1 Ć  partir de sa position d'ouverture en exerƧant une force de poussĆ©e sur les bords latĆ©raux 2 et 3 du volet 1 suivant leur direction longitudinale dans les chemins de guidage 4 et 5 pour dĆ©placer le volet 1 vers sa position de fermeture. Dans cette forme de rĆ©alisation de l'invention, le volet 1 peut ĆŖtre de trĆØs grande dimension.In a variant of this embodiment of the invention, as shown in FIG. figure 12 , pointed rods 52 extending transversely to the plane of the flap 1 are present in the projection 12. These rods 52 extend with their point in the groove 18 so that, when the projection 12 is engaged in this groove 18 when the shutter 1 is wound, the rods 52 penetrate into the upper part of the projection 12 of the previous turn. In this way, the successive turns of the wound shutter 1 are hooked firmly to one another and can not slide relative to each other. This makes it possible to unwind the shutter 1 from its open position by exerting a thrust force on the side edges 2 and 3 of the shutter 1 following their longitudinal direction in the guideways 4 and 5 to move the flap 1 to its closed position. In this embodiment of the invention, the flap 1 can be very large.

Il est Ć©vident qu'il est Ć©galement possible de prĆ©voir plusieurs saillies 12 s'Ć©tendant l'une Ć  cĆ“tĆ© de l'autre sur une face du volet 1 qui coopĆØrent avec un nombre correspondant de rainures 18 formĆ©s entre des nervures 19 et 20 pourvues sur l'autre face du volet 1.It is obvious that it is also possible to provide several projections 12 extending next to one another on one side of the flap 1 which cooperate with a corresponding number of grooves 18 formed between ribs 19 and 20 provided on the other side of the shutter 1.

La figure 13 reprĆ©sente une cinquiĆØme forme de rĆ©alisation des moyens d'accrochage, suivant l'invention. Cette figure montre une section transversale d'une partie des couches successives du volet 1 formĆ©es lors de l'enroulement de ce dernier autour du tambour 8.The figure 13 represents a fifth embodiment of the hooking means according to the invention. This figure shows a cross section of a part of the successive layers of the shutter 1 formed during the winding of the latter around the drum 8.

Le volet 1 prĆ©sente, Ć  proximitĆ© des bords latĆ©raux 2 et 3, une section en forme de W en dĆ©finissant ainsi sur un cotĆ© du volet 1 trois nervures 21, 22 et 23 s'Ć©tendant parallĆØlement l'une Ć  l'autre suivant la direction longitudinale du volet 1. Entre ces nervures 21, 22 et 23 sont formĆ©s des rainures 24 et 25. L'autre cĆ“tĆ© du volet 1 prĆ©sente deux nervures 26 et 27 qui correspondent aux rainures 24 et 25. Entre ces derniĆØres nervures 26 et 27 s'Ć©tend une rainure 28.The shutter 1 has, near the side edges 2 and 3, a W-shaped section thus defining on one side of the shutter 1 three ribs 21, 22 and 23 extending parallel to each other in the direction Longitudinal flap 1. Between these ribs 21, 22 and 23 are formed grooves 24 and 25. The other side of the flap 1 has two ribs 26 and 27 which correspond to the grooves 24 and 25. Between the latter ribs 26 and 27 s extends a groove 28.

Lors de l'enroulement du volet 1, les nervures 21, 22 et 23 et les rainures 24 et 25 d'un cĆ“tĆ© du volet 1 s'engagent avec, respectivement, la rainure 28 et les nervures 26 et 27 de l'autre cĆ“tĆ© du volet 1. De cette faƧon, l'on assure qu'un rouleau trĆØs compact est obtenu dans lequel les spires successives du volet 1 ne peuvent pas glisser l'une par rapport Ć  l'autre.When winding the shutter 1, the ribs 21, 22 and 23 and the grooves 24 and 25 on one side of the flap 1 engage with, respectively, the groove 28 and the ribs 26 and 27 on the other side In this way, it is ensured that a very compact roll is obtained in which the successive turns of the shutter 1 can not slide relative to each other.

Des dents 29 sont prĆ©vues, Ć  l'endroit oĆ¹ les nervures 21, 22 et 23 et les rainures 24 et 25 d'un cĆ“tĆ© du volet 1 sont en contact avec, respectivement, la rainure 28 et les nervures 26 et 27 de l'autre cĆ“tĆ© du volet 1, pendant que ce dernier est enroulĆ©. Ainsi, lors de l'enroulement du volet 1, les dents 29 d'un cĆ“tĆ© du volet 1 s'agrippent avec les dents 29 de l'autre cĆ“tĆ© du volet 1. Ces dents 29 forment, en particulier, une zone barbelĆ©e dans lesdites rainures et sur lesdites nervures.Teeth 29 are provided where the ribs 21, 22 and 23 and the grooves 24 and 25 on one side of the flap 1 are in contact with the groove 28 and the ribs 26 and 27, respectively. other side of the shutter 1, while the latter is rolled up. Thus, during the winding of the flap 1, the teeth 29 on one side of the flap 1 grip with the teeth 29 on the other side of the shutter 1. These teeth 29 form, in particular, a barbed zone in said grooves and on said ribs.

L'endroit du volet 1 prĆ©sentant la section en forme de W est, de prĆ©fĆ©rence, constituĆ©e d'une matiĆØre Ć©lastomĆØre, comme par exemple du polyurĆ©thanne, qui est suffisamment rigide pour pouvoir maintenir lesdites nervures dans les rainures correspondantes.The location of the flap 1 having the W-shaped section is preferably made of an elastomeric material, such as polyurethane, which is sufficiently rigid to maintain said ribs in the corresponding grooves.

Suivant une forme de rĆ©alisation particuliĆØre de l'invention, un Ć©lĆ©ment de pression est prĆ©vu qui permet d'exercer une force de poussĆ©e sur les moyens d'accrochage afin de fixer les spires successives du volet l'une Ć  l'autre, lors de l'enroulement de ce dernier autour du tambour 8. Ceci est montrĆ© schĆ©matiquement aux figures 14 Ć  16. Le volet 1 est enserrĆ© entre la partie du volet 1 qui est dĆ©jĆ  enroulĆ©e sur ce tambour 8, en constituant un rouleau 31, et l'Ć©lĆ©ment de pression.According to a particular embodiment of the invention, a pressure element is provided which makes it possible to exert a thrust force on the attachment means in order to fix the successive turns of the shutter to one another, when the winding of the latter around the drum 8. This is schematically shown in FIGS. Figures 14 to 16 . The shutter 1 is sandwiched between the portion of the shutter 1 which is already wound on the drum 8, forming a roller 31, and the pressure element.

Cet Ć©lĆ©ment de pression comprend, en particulier, un cylindre rotatif 30 dont l'axe est sensiblement parallĆØle Ć  l'axe du tambour 8. Ce cylindre 30 est prĆ©vu Ć  l'endroit oĆ¹, lors de l'enroulement du volet 1, la surface de la partie du volet 1 qui n'est pas encore enroulĆ©e vient en contact avec la partie du volet 1 qui forme dĆ©jĆ  des spires autour du tambour 8. Par consĆ©quent, Ć©galement Ć  cet endroit, les spires du rouleau 31 se dĆ©roulent et les moyens d'accrochage se dĆ©tachent lors du dĆ©roulement du volet 1 vers sa position de fermeture.This pressure element comprises, in particular, a rotary cylinder 30 whose axis is substantially parallel to the axis of the drum 8. This cylinder 30 is provided at the location where, during the winding of the shutter 1, the surface the part of the shutter 1 which is not yet wound comes into contact with the part of the shutter 1 which already forms turns around the drum 8. Therefore, also at this point, the turns of the roll 31 take place and the means latches are detached during the unwinding of the shutter 1 to its closed position.

Etant donnĆ© que pendant l'enroulement ou le dĆ©roulement du volet 1, le diamĆØtre du rouleau 31 varie, l'Ć©lĆ©ment compresseur 30 et le tambour 8 sont montĆ©s de maniĆØre mobile l'un par rapport Ć  l'autre. En particulier, des moyens sont prĆ©vus pour maintenir une force de pression entre le rouleau 31 et le cylindre de pression 30.Since during the winding or unwinding of the flap 1, the diameter of the roller 31 varies, the compressor element 30 and the drum 8 are mounted movably relative to each other. In particular, means are provided for maintaining a pressure force between the roller 31 and the pressure roll 30.

Comme reprĆ©sentĆ© dans les figures 14 et 15, le cylindre de pression rotatif 30 est montĆ© de maniĆØre fixe Ć  la paroi 7 au-dessus de la baie 6, tandis que l'arbre 32 du tambour 8 peut se dĆ©placer suivant une direction horizontale dans une glissiĆØre horizontale 33 prĆ©vue dans un boĆ®tier 46 du dispositif Ć  chacune des extrĆ©mitĆ©s de l'arbre 32.As shown in Figures 14 and 15 , the rotary pressure cylinder 30 is fixedly mounted to the wall 7 above the bay 6, while the shaft 32 of the drum 8 can move in a horizontal direction in a horizontal slide 33 provided in a housing 46 of the device at each end of the shaft 32.

Le tambour 8 coopĆØre avec deux ressorts hĆ©licoĆÆdaux de pression 34 et 35 dont une extrĆ©mitĆ© est fixĆ©e au tambour 8 et dont l'autre extrĆ©mitĆ© est montĆ©e au boĆ®tier susdit 46. Ces ressorts 34 et 35 s'Ć©tendent sensiblement parallĆØlement Ć  la glissiĆØre 33. De cette faƧon, le tambour 8 se dĆ©place suivant la direction de cette glissiĆØre 33 lors de l'enroulement ou le dĆ©roulement du volet en assurant qu'une force de pression est maintenue entre le tambour 8, ou le rouleau 31, d'une part, et le cylindre de pression, d'autre part.The drum 8 cooperates with two helical pressure springs 34 and 35, one end of which is fixed to the drum 8 and whose other end is mounted to the aforesaid housing 46. These springs 34 and 35 extend substantially parallel to the slideway 33. From in this way, the drum 8 moves in the direction of this slide 33 during winding or unwinding of the shutter by ensuring that a pressure force is maintained between the drum 8, or the roller 31, on the one hand, and the pressure cylinder, on the other hand.

La figure 16 reprƩsente schƩmatiquement le cylindre de pression 30 lorsque le volet 1 est pourvu de moyens d'accrochage similaires Ơ ceux reprƩsentƩs dans la figure 13. Par la force de poussƩe qui est exercƩe par le cylindre 30 sur le volet 1, les nervures sont engagƩes dans les rainures correspondantes afin de fixer les spires successives du volet 1 l'une Ơ l'autre.The figure 16 schematically represents the pressure cylinder 30 when the flap 1 is provided with hooking means similar to those shown in FIG. figure 13 . By the thrust force which is exerted by the cylinder 30 on the shutter 1, the ribs are engaged in the corresponding grooves in order to fix the successive turns of the flap 1 to one another.

Les moyens d'accrochage 11 doivent ĆŖtre tels que les spires superposĆ©es d'un volet 1 enroulĆ© sur un tambour 8 sont fixĆ©es l'une Ć  l'autre, mais que ces spires se dĆ©tachent automatiquement au fur et Ć  mesure l'une de l'autre lorsque le tambour 8 est soumis Ć  une rotation dans le sens opposĆ© Ć  celui pour l'enroulement du volet 1 sur le tambour 8.The attachment means 11 must be such that the superimposed turns of a flap 1 wound on a drum 8 are fixed to one another, but that these turns are detached automatically as one of the the other when the drum 8 is rotated in the opposite direction to the winding of the flap 1 on the drum 8.

Les figures 17 Ć  19 reprĆ©sentent une forme de rĆ©alisation particuliĆØre du dispositif, suivant l'invention, dans laquelle les moyens de confinement comprennent une courroie 36 qui entoure au moins partiellement le rouleau 31 formĆ© par le volet enroulĆ© sur le tambour 8. Cette courroie 36 exerce une force de compression sur le rouleau 31 lors de l'enroulement ou lors du dĆ©roulement du volet 1 et prĆ©sente des moyens pour adapter continuellement la forme de la courroie 36 au diamĆØtre du rouleau 31.The Figures 17 to 19 represent a particular embodiment of the device according to the invention, wherein the confinement means comprise a belt 36 which at least partially surrounds the roller 31 formed by the flap wound on the drum 8. This belt 36 exerts a compressive force on the roller 31 during the winding or during the unwinding of the flap 1 and has means for continuously adapting the shape of the belt 36 to the diameter of the roller 31.

Cette courroie 36 dƩfinit une surface de guidage qui permet que le rouleau 31 tourne autour de son axe pendant que la courroie 36 s'appui avec la surface de guidage sur le rouleau 31.This belt 36 defines a guide surface that allows the roller 31 to rotate about its axis as the belt 36 abuts with the guide surface on the roller 31.

La surface de guidage est, en particulier formƩe par une succession de galets 37 qui sont prƩvus sur la face de la courroie 36 qui est dirigƩe vers le rouleau 31. Ces galets 37 permettent que le rouleau 31 tourne autour de son axe pendant qu'une force de pression est exercƩe sur le rouleau 31.The guide surface is in particular formed by a succession of rollers 37 which are provided on the face of the belt 36 which is directed towards the roller 31. These rollers 37 allow the roller 31 to rotate about its axis while a pressure force is exerted on the roller 31.

Suite Ć  cette force de pression et le frottement qui existe entre les spires successives du rouleau 31, ces derniĆØres ne peuvent pas glisser l'une par rapport Ć  l'autre. De plus, la formation de fronces lors du dĆ©roulement du volet 1 est empĆŖchĆ©e.Due to this pressing force and the friction that exists between the successive turns of the roller 31, the latter can not slide relative to each other. In addition, the formation of gathers during the unwinding of the flap 1 is prevented.

Une des extrƩmitƩs de la courroie 36 est fixƩe Ơ une tige 38 qui est situƩe Ơ proximitƩ du rouleau 31, entre ce dernier et la partie du volet 1 qui n'est pas enroulƩe. Cette tige 38 peut se dƩplacer dans une fente 39 s'Ʃtendant radialement par rapport Ơ l'axe du tambour 8. La courroie 36 s'Ʃtend Ơ partir de cette tige 38 autour du rouleau 31 de sorte que la partie du volet 1 qui n'est pas enroulƩe se trouve entre la tige 38 et la courroie 36.One end of the belt 36 is attached to a rod 38 which is located near the roller 31, between the latter and the part of the flap 1 which is not wound. This rod 38 can move in a slot 39 extending radially relative to the axis of the drum 8. The belt 36 extends from this rod 38 around the roller 31 so that the part of the flap 1 which 'is not wound is between the rod 38 and the belt 36.

Une force de traction est exercƩe sur l'autre extrƩmitƩ de la courroie 36. A cet effet, un poids 47 est fixƩ Ơ cette autre extrƩmitƩ qui peut se dƩplacer verticalement le long des chemins de guidage 2 et 3.A pulling force is exerted on the other end of the belt 36. For this purpose, a weight 47 is fixed at this other end which can move vertically along the guideways 2 and 3.

Lors du dĆ©roulement du volet 1, le diamĆØtre du rouleau 31, et donc la pĆ©riphĆ©rie de ce dernier, diminue. Ceci a comme consĆ©quence que ledit poids 47 descend sur une distance correspondante le long des chemins de guidage 2 et 3. Par l'action de ce poids 47, la courroie 36 reste tendue et maintient une force de pression sur le rouleau 31. En mĆŖme temps, la tige 38 glisse dans ladite fente 39 et est maintenue contre le rouleau 31 par la force de traction qui est exercĆ©e sur l'autre extrĆ©mitĆ© de la courroie 36.During the unwinding of the flap 1, the diameter of the roller 31, and therefore the periphery of the latter, decreases. This results in said weight 47 descending a corresponding distance along the guideways 2 and 3. By the action of this weight 47, the belt 36 remains taut and maintains a pressing force on the roller 31. At the same time time, the rod 38 slides in said slot 39 and is held against the roller 31 by the pulling force which is exerted on the other end of the belt 36.

Les figures 20 et 21 montrent, d'une maniĆØre trĆØs schĆ©matique, une autre forme de rĆ©alisation intĆ©ressante du dispositif, suivant l'invention, dans laquelle une courroie 40 fermĆ©e sur elle-mĆŖme coopĆØre avec le rouleau 31.The Figures 20 and 21 show, in a very schematic manner, another interesting embodiment of the device according to the invention, in which a belt 40 closed on itself cooperates with the roller 31.

La surface intĆ©rieure de cette courroie fermĆ©e 40 est guidĆ©e sur des cylindres 41 qui se situent autour du rouleau 31 Ć  une certaine distance de ce dernier. L'axe de ces cylindres s'Ć©tend sensiblement parallĆØlement Ć  l'axe du tambour 8.The inner surface of this closed belt 40 is guided on cylinders 41 which are located around the roller 31 at a distance from the latter. The axis of these cylinders extends substantially parallel to the axis of the drum 8.

La surface extƩrieure de la courroie 40 entoure le rouleau 31, de prƩfƩrence Ơ proximitƩ des bords latƩraux 2 et 3, et enserre le rouleau 31 en exerƧant une force de pression sur celui-ci. Un espace libre 42 est prƩvu Ơ travers lequel le volet 1 peut se dƩplacer vers les chemins de guidage 4 et 5 lors de son dƩroulement.The outer surface of the belt 40 surrounds the roller 31, preferably near the side edges 2 and 3, and encloses the roller 31 by exerting a pressing force thereon. A free space 42 is provided through which the flap 1 can move towards the guideways 4 and 5 during its course.

Lorsque le volet 1 est enroulƩ, ou lorsque celui-ci est dƩroulƩ, par la rotation du tambour 8 autour de son axe, la courroie 40, qui est en contact avec la spire extƩrieure du rouleau 31, est entraƮnƩe par ce dernier en se dƩplaƧant sur les cylindres 41.When the shutter 1 is wound, or when the latter is unrolled, by the rotation of the drum 8 about its axis, the belt 40, which is in contact with the outer turn of the roller 31, is driven by the latter while moving on the cylinders 41.

La courroie 40 peut ĆŖtre constituĆ©e d'une matiĆØre Ć©lastique, comme par exemple du caoutchouc, de sorte qu'elle peut s'allonger lorsque le diamĆØtre du rouleau 31 s'accroĆ®t pendant l'enroulement du volet 1, ou peut se raccourcir lorsque ce diamĆØtre diminue lors du dĆ©roulement du volet 1.The belt 40 may be made of an elastic material, such as rubber, so that it can lengthen when the diameter of the roller 31 increases during the winding of the flap 1, or can be shortened when this diameter decreases during the course of flap 1.

Dans une autre variante de cette forme de rĆ©alisation de l'invention, l'un des cylindres 41, sur lequel la courroie 40 est guidĆ©e, peut ĆŖtre montĆ© d'une maniĆØre mobile et est, par exemple, reliĆ© Ć  un ressort en assurant ainsi que la courroie 40 reste toujours tendue. Ainsi ce cylindre mobile est dĆ©placĆ© au fur et Ć  mesure que le diamĆØtre du rouleau change pendant l'enroulement ou le dĆ©roulement du volet 1.In another variant of this embodiment of the invention, one of the cylinders 41, on which the belt 40 is guided, can be mounted in a mobile manner and is, for example, connected to a spring thus ensuring that the belt 40 remains tense. Thus, this movable cylinder is displaced as the diameter of the roll changes during winding or unwinding of the shutter 1.

Avantageusement, le cylindre 41 qui est situĆ© le plus prĆØs du rouleau 31, dans l'espace entre ce dernier et la partie du volet 1 non enroulĆ©e, peut Ć©galement ĆŖtre mobile afin de maintenir ce cylindre Ć  proximitĆ© du rouleau 31 ou en appui contre ce dernier.Advantageously, the cylinder 41 which is located closest to the roller 31, in the space between the latter and the part of the uncoiled flap 1, can also be movable in order to maintain this cylinder near the roller 31 or in support thereof. latest.

Dans les figures 22 et 23, est reprĆ©sentĆ©e une forme de rĆ©alisation du dispositif Ć  volet, suivant l'invention, dans laquelle les moyens de confinement comprennent une succession de ventouses 53 s'Ć©tendant le long des bords latĆ©raux 2 et 3 du volet 1. Un cylindre de pression 30 est pourvu Ć  l'endroit oĆ¹ le volet dĆ©roulĆ© est transformĆ© en un rouleau 31 constituĆ© de spires successives lors de l'enroulement du volet 1. Ce cylindre 30 exerce une force de poussĆ©e sur le volet Ć  l'endroit des ventouses 53 afin de faire adhĆ©rer ces derniĆØres Ć  la face extĆ©rieure de la spire du volet 1 qui vient de se former.In the Figures 22 and 23 , there is shown an embodiment of the shutter device, according to the invention, in which the confinement means comprise a succession of suction cups 53 extending along the lateral edges 2 and 3 of the flap 1. A pressure cylinder 30 is provided at the place where the unwound flap is transformed into a roller 31 consisting of successive turns during the winding of the flap 1. This cylinder 30 exerts a thrust force on the flap at the location of the suction cups 53 in order to adhere these latter to the outer face of the turn of the shutter 1 which has just formed.

Le dispositif Ć  volet, suivant l'invention, peut comprendre un volet qui est constituĆ© d'une succession de lamelles rigides 54 qui sont articulĆ©es l'une par rapport Ć  l'autre. Un tel dispositif Ć  volet est reprĆ©sentĆ© schĆ©matiquement dans les figures 24 et 25. Pour dĆ©placer le volet 1 vers sa position d'ouverture ce dernier est enroulĆ© autour d'un tambour 8. Les lamelles 54 du volet s'Ć©tendent parallĆØlement Ć  l'axe du tambour 8.The shutter device according to the invention may comprise a flap which consists of a succession of rigid lamellae 54 which are articulated with respect to each other. Such a shutter device is shown schematically in the Figures 24 and 25 . To move the flap 1 to its open position, the latter is wound around a drum 8. The flaps 54 of the flap extend parallel to the axis of the drum 8.

Chaque lamelle 54 est pourvue Ơ chacune de ses extrƩmitƩs d'une dent 55 qui s'Ʃtend transversalement par rapport au plan du volet 1 Ơ une face de ce dernier. A l'autre face du volet 1 chaque lamelle 54 est pourvu d'une entaille 56 de sorte que, lors de l'enroulement du volet 1 autour du tambour 8, les dents 55 sont engagƩes dans les entailles 56 en formant ainsi un rouleau 31 dont les spires successives sont fixƩes l'une Ơ l'autre et ne peuvent pas glisser l'une par rapport Ơ l'autre.Each lamella 54 is provided at each of its ends with a tooth 55 which extends transversely with respect to the plane of the shutter 1 at one face of the latter. At the other side of the shutter 1 each lamella 54 is provided with a notch 56 so that, during the winding of the shutter 1 around the drum 8, the teeth 55 are engaged in the notches 56 thus forming a roller 31 whose successive turns are fixed to one another and can not slide relative to each other.

Un Ć©lĆ©ment de pression 57 est prĆ©vu qui permet d'exercer une force de poussĆ©e sur le volet 1 Ć  l'endroit oĆ¹ les spires se forment lors de l'ouverture du volet 1 et le volet 1 est dĆ©roulĆ© lors de la fermeture de ce dernier.A pressure element 57 is provided which makes it possible to exert a thrust force on the flap 1 at the place where the turns are formed during the opening of the flap 1 and the flap 1 is unwound during the closure of the latter. .

Il est possible d'exercer une force de poussƩe sur les lamelles 54 au moyen de l'ƩlƩment compresseur 57, lors de l'enroulement du volet 1, sur la partie du volet 1 enroulƩ autour du rouleau 31 lors de l'ouverture du volet 1 afin d'insƩrer les dents 55 d'une spire qui se forme dans les entailles 56 correspondantes de la spire prƩcƩdemment formƩe.It is possible to exert a thrust force on the slats 54 by means of the compressor element 57, during the winding of the shutter 1, on the part of the shutter 1 wound around the roller 31 during the opening of the shutter 1 to insert the teeth 55 of a turn which is formed in the corresponding notches 56 of the previously formed coil.

Cet Ć©lĆ©ment de pression 57 comprend deux cylindres 58 et 59 pouvant tourner librement autour de leur axe 60 qui est parallĆØle Ć  l'axe du tambour 8. Une courroie 61 fermĆ©e sur elle-mĆŖme est guidĆ©e sur les cylindres 58 et 59 en s'appuyant sur une partie de la pĆ©riphĆ©rie du rouleau 31. Lesdits cylindres 58 et 59 sont situĆ©s Ć  une certaine distance l'un de l'autre de maniĆØre Ć  ce que la courroie 61 qui est guidĆ©e autour des cylindres 58 et 59 s'appui contre le rouleau 31.This pressure element 57 comprises two cylinders 58 and 59 that can rotate freely about their axis 60 which is parallel to the axis of the drum 8. A belt 61 closed on itself is guided on the cylinders 58 and 59 relying on a part of the periphery of the roller 31. Said cylinders 58 and 59 are located at a distance from each other so that the belt 61 which is guided around the cylinders 58 and 59 bears against the roll 31.

Comme il est illustrƩ par la figure 25, les dents 55 et, par consƩquent, les entailles 56, situƩes dans la partie du volet 1 qui n'est pas enroulƩe se dƩplacent dans le chemin de guidage correspondant 4 ou 5.As illustrated by the figure 25 , the teeth 55 and, consequently, the notches 56, located in the part of the flap 1 which is not wound up, move in the corresponding guiding path 4 or 5.

Afin de maintenir un contact entre le rouleau 31 et la courroie 61, l'arbre 32 du tambour 8 se dĆ©place dans une glissiĆØre 33 s'Ć©tendant suivant une direction perpendiculaire au plan de la partie du volet non enroulĆ©e lors de l'ouverture ou la fermeture du volet 1. En particulier, un ressort, non reprĆ©sentĆ© Ć  la figure 24, est prĆ©vu qui excerce une force de pression sur l'arbre 32 ou sur le cylindres 58 et 59 et qui permet de maintenir une force de pression entre le rouleau 31 et la courroie 61.In order to maintain contact between the roller 31 and the belt 61, the shaft 32 of the drum 8 moves in a slideway 33 extending in a direction perpendicular to the plane of the part of the unwound flap when opening or opening. shutter closure 1. In particular, a spring, not shown in figure 24 , is provided which exerts a pressing force on the shaft 32 or on the cylinders 58 and 59 and which maintains a pressure force between the roller 31 and the belt 61.

La figure 26 reprĆ©sente un tambour 8 sur lequel est enroulĆ© un volet 1 formĆ© par une bĆ¢che souple 50 prĆ©sentant des bords latĆ©raux 2 et 3 qui font saillie par rapport au plan du volet 1 au cotĆ© de ce dernier qui est dirigĆ© vers le tambour 8.The figure 26 represents a drum 8 on which is wound a shutter 1 formed by a flexible sheet 50 having side edges 2 and 3 which project relative to the plane of the flap 1 next to the latter which is directed towards the drum 8.

Le tambour 8 comprend un cylindre 62 dont les extrƩmitƩs 63 sont ƩvasƩes en prƩsentant ainsi une forme essentiellement conique. Ces extrƩmitƩs coniques 63 sont pourvues d'une entaille 64 s'Ʃtendant suivant une spirale autour de leur surface extƩrieure.The drum 8 comprises a cylinder 62 whose ends 63 are flared thus having a substantially conical shape. These conical ends 63 are provided with a notch 64 extending in a spiral around their outer surface.

Le volet 1 est de prĆ©fĆ©rence de forme trapĆ©zoĆÆdale de sorte que la largeur du volet 1 Ć  l'endroit du bord infĆ©rieur 65 de celui-ci est plus grande que la largeur de la partie supĆ©rieure du volet 1. Ainsi la distance entre les chemins de guidage 4 et 5 augmente graduellement de l'extrĆ©mitĆ© supĆ©rieure des chemins de guidage 4 et 5 Ć  proximitĆ© du tambour 8 jusqu'Ć  l'extrĆ©mitĆ© infĆ©rieure de ces chemins de guidage 4 et 5.The flap 1 is preferably trapezoidal in shape so that the width of the flap 1 at the location of the lower edge 65 thereof is greater than the width of the upper part of the flap 1. Thus the distance between the flap 4 and 5 increases gradually from the upper end of the guide tracks 4 and 5 near the drum 8 to the lower end of these guideways 4 and 5.

Ceci assure que, lorsque le volet 1 est dans sa position de fermeture, il est presque parfaitement tendu entre les chemins de guidage. De plus, lors de l'enroulement du volet 1, les spires successives formĆ©es autour du tambour 8 sont Ć©galement tendues de sorte que le volet est enroulĆ© d'une maniĆØre trĆØs compacte.This ensures that when the shutter 1 is in its closed position, it is almost perfectly stretched between the guideways. In addition, when the winding of the flap 1, the successive turns formed around the drum 8 are also stretched so that the flap is wound in a very compact manner.

La figure 27 reprĆ©sente une variante de cette derniĆØre forme de rĆ©alisation dans laquelle les spires successives du volet 1, enroulĆ© autour du tambour 8, sont fixĆ©es l'une Ć  l'autre pendant l'enroulement du volet 1. A cet effet, les bords latĆ©raux 2 et 3 du volet 1 prĆ©sentent une nervure 66 s'Ć©tendant transversalement par rapport au plan du volet 1. Cette nervure est pourvue d'une entaille 67 et 68 Ć  chacun des faces latĆ©rales de la nervure 66. Ainsi, lors de l'enroulement du volet 1 autour du tambour 8, cette nervure 66 s'Ć©tend au delĆ  de la spire prĆ©cĆ©dente du volet 1 et s'agrippe dans l'entaille 67 de la nervure de cette spire prĆ©cĆ©dente. De cette faƧon, les spires successives du volet 1 sont fixĆ©es l'une Ć  l'autre lors de l'enroulement du volet 1.The figure 27 represents a variant of this last embodiment in which the successive turns of the shutter 1, wound around the drum 8, are fixed to one another during the winding of the shutter 1. For this purpose, the lateral edges 2 and 3 of the shutter 1 have a rib 66 extending transversely to the plane of the flap 1. This rib is provided with a notch 67 and 68 to each of the lateral faces of the rib 66. Thus, during the winding of the flap 1 around the drum 8, this rib 66 extends beyond the previous turn of the flap 1 and engages in the notch 67 of the rib of the previous turn. In this way, the successive turns of the shutter 1 are fixed to one another during the winding of the shutter 1.

Afin d'introduire cette nervure 66 dans l'entaille 67 de la nervure de la spire prĆ©cĆ©dente, un Ć©lĆ©ment de pression 57 est prĆ©vu qui est formĆ© par un cylindre dont l'axe est de prĆ©fĆ©rence parallĆØle Ć  l'axe du tambour 8. Ce cylindre appui sur le bord latĆ©ral 2 ou 3 de la partie du volet 1 qui se transforme en spire de maniĆØre Ć  insĆ©rer la nervure 66 dans l'entaille 67 de la spire prĆ©cĆ©dente.In order to introduce this rib 66 into the notch 67 of the rib of the preceding turn, a pressure element 57 is provided which is formed by a cylinder whose axis is preferably parallel to the axis of the drum 8. This cylinder bears on the side edge 2 or 3 of the portion of the flap 1 which turns into a turn so as to insert the rib 66 in the notch 67 of the previous turn.

Les figures 28 Ơ 32 reprƩsentent encore une autre forme de rƩalisation de l'invention dans laquelle un organe oblong 69 est prƩvu s'Ʃtendant le long du bord latƩral 2 ou 3 du volet 1. Cet organe 69 est incompressible dans sa direction longitudinale est s'appuie sur une partie saillante 70 prƩvue au bord latƩral 2 ou 3 du volet 1.Lors de l'ouverture du volet 1, cet organe 69 est enroulƩ ensemble avec le volet 1 en formant des spires successives comme montrƩ dans les figures 30 et 32. Pour dƩplacer le volet 1 vers sa position de fermeture, une force de poussƩ est exercƩe sur cet organe 69 suivant sa direction longitudinale. L'extrƩmitƩ infƩrieure de l'organe 69 agit sur ladite partie saillante 70 situƩe Ơ proximitƩ du bord infƩrieur 65 du volet 1.The Figures 28 to 32 represent yet another embodiment of the invention in which an elongated member 69 is provided extending along the lateral edge 2 or 3 of the flap 1. This member 69 is incompressible in its longitudinal direction and is supported on a part protruding 70 provided at the side edge 2 or 3 of the flap 1.When the flap 1 is opened, this member 69 is wound together with the flap 1 by forming successive turns as shown in FIGS. figures 30 and 32 . To move the shutter 1 to its closed position, a pushing force is exerted on the member 69 along its longitudinal direction. The lower end of the member 69 acts on said projecting portion 70 located near the lower edge 65 of the shutter 1.

Le organe 69 peut ĆŖtre entraĆ®nĆ© par l'arbre 32 du tambour 8 ou directement, par exemple, par un moteur Ć©lectrique.The member 69 may be driven by the shaft 32 of the drum 8 or directly, for example, by an electric motor.

Lorsque le volet 1 est dans la position d'ouverture, l'organe incompressible 69 est enroulƩ autour du tambour 8 en formant des spires superposƩes. L'organe 69 est pourvu de moyens d'accrochage pour fixer les spires successives l'une Ơ l'autre de sorte que, lors du dƩroulement du volet 1, par exemple, par l'entraƮnement du tambour 8, une force de pousse est exercƩe sur l'organe incompressible 69 suivant sa direction longitudinale.When the flap 1 is in the open position, the incompressible member 69 is wound around the drum 8 forming superposed turns. The member 69 is provided with hooking means for fixing the successive turns to one another so that, during the unwinding of the flap 1, for example, by the drive of the drum 8, a pushing force is exerted on the incompressible member 69 along its longitudinal direction.

Les moyens d'accrochage comprennent, en particulier une succession de dents 71 prƩvues Ơ une face de l'organe 69, tandis que des encoches 72 correspondantes sont prƩvues Ơ la face opposƩe de cet organe 69. De cet faƧon, lors de l'enroulement du volet 1, les spires successives formƩes par l'organe 69 s'agrippent l'une dans l'autre lorsque les dents 71 s'engagent dans les encoches 72.The attachment means comprise, in particular a succession of teeth 71 provided on one side of the member 69, while corresponding notches 72 are provided on the opposite face of this member 69. In this way, during the winding of the shutter 1, the successive turns formed by the member 69 grip one into the other when the teeth 71 engage in the notches 72.

Lorsqu'un chemin de guidage est prƩvu pour guider les bords latƩraux 2 et 3 du volet 1, l'organe incompressible 69 est Ʃgalement dƩplacƩ dans ces chemins de guidage lors de l'ouverture ou de la fermeture du volet 1.When a guide path is provided to guide the side edges 2 and 3 of the flap 1, the incompressible member 69 is also moved in these guide paths when the flap 1 is opened or closed.

Ceci permet que les bords latĆ©raux 2 et 3 se dĆ©gagent des chemins de guidage comme, par exemple, dĆ©crit dans le document EP 0272733 lorsqu'une force est exercĆ©e sur le volet dans une direction transversale au chemin de guidage. En mĆŖme temps, ladite partie saillante 70 se dĆ©gage de l'organe 69.This allows the side edges 2 and 3 to emerge from the guideways as, for example, described in the document EP 0272733 when a force is exerted on the flap in a direction transverse to the guide path. At the same time, said protruding portion 70 disengages from the member 69.

Le volet 1 prĆ©sente un Ć©paississement 73 s'Ć©tendant suivant la longueur du volet 1 dont l'Ć©paisseur dans une direction perpendiculaire au plan du volet 1 correspond essentiellement Ć  l'Ć©paisseur de l'organe incompressible 69 dans cette direction. Ainsi, lors de l'ouverture du volet 1, le rouleau formĆ© par le volet 1 et le rouleau formĆ© lors de l'enroulement de l'organe 69 prĆ©sentent le mĆŖme diamĆØtre.The flap 1 has a thickening 73 extending along the length of the shutter 1 whose thickness in a direction perpendicular to the plane of the flap 1 corresponds essentially to the thickness of the incompressible member 69 in this direction. Thus, when opening the shutter 1, the roller formed by the flap 1 and the roll formed during the winding of the member 69 have the same diameter.

L'organe incompressible 69 peut ĆŖtre constituĆ© par une tige d'une matiĆØre flexible comme, par exemple, du polyurĆ©thanne renforcĆ© par des fibres de verres, ou peut ĆŖtre formĆ© par une tige de Kevlar. Il est Ć©galement possible d'utiliser une chaĆ®ne mĆ©tallique ou d'une matiĆØre synthĆ©tique dont les maillons sont pourvus des moyens pour s'agripper l'une dans l'autre lorsque la chaĆ®ne est enroulĆ©.The incompressible member 69 may be constituted by a rod of a flexible material such as, for example, polyurethane reinforced with glass fibers, or may be formed by a Kevlar rod. It is also possible to use a metal chain or a synthetic material whose links are provided with means for gripping one into the other when the chain is wound.

Un cylindre de pression 30 est prƩvu Ơ l'endroit ou l'organe 69 s'enroule pour former lesdites spires lors de l'ouverture du volet 1. Ce cylindre 30 exerce une force de pression sur l'organe 69 afin d'engager les dents 71 de la spire qui se forme dans les encoches 72 de la spire prƩcƩdente.A pressure cylinder 30 is provided at the place where the member 69 winds to form said turns when opening the flap 1. This cylinder 30 exerts a pressure force on the member 69 to engage the teeth 71 of the turn which is formed in the notches 72 of the previous turn.

Le tambour 8 suspendu Ơ une extrƩmitƩ d'un bras pivotant 74 qui est fixƩ avec l'autre extrƩmitƩ Ơ la paroi au-dessus du cylindre 30. Ainsi, sous l'action de la gravitƩ, une force de pression est toujours prƩsent entre le cylindre de pression 30 et l'organe 69.The drum 8 suspended at one end of a pivoting arm 74 which is fixed with the other end to the wall above the cylinder 30. Thus, under the action of gravity, a pressing force is always present between the pressure cylinder 30 and the member 69.

Il est clair, que dans d'autre formes de rƩalisation de l'invention, l'on peut prƩvoir les moyens d'accrochage qui sont dƩcrits plus haut sur l'organe incompressible au lieu de fixer ces moyens d'accrochage sur le plan du volet.It is clear that in other embodiments of the invention, it is possible to provide the attachment means which are described above on the incompressible member instead of fixing these attachment means on the plane of the shutter.

Il est bien entendu que l'invention n'est pas limitĆ©e aux formes de rĆ©alisation dĆ©crites ci-dessus et reprĆ©sentĆ©es dans les dessins annexĆ©s mais que bien d'autres variantes peuvent ĆŖtre envisagĆ©es sans sortir du cadre de la prĆ©sente invention.It is understood that the invention is not limited to the embodiments described above and shown in the accompanying drawings, but that many other variants can be envisaged without departing from the scope of the present invention.

Les moyens d'accrochage peuvent par exemple comprendre une succession d'aimants permanents qui s'Ʃtendent suivant la direction longitudinale du volet Ơ un cƓtƩ de ce dernier.The attachment means may for example comprise a succession of permanent magnets which extend in the longitudinal direction of the flap to one side of the latter.

Quoique dans les diffƩrentes formes de rƩalisation du dispositif, suivant l'invention, les moyens de confinement et les moyens d'accrochage sont situƩs Ơ l'endroit ou Ơ proximitƩ des bords latƩraux 2 et 3 du volet 1, il est Ʃgalement possible que ces moyens soient prƩvus, par exemple, sensiblement au milieu entre les bords latƩraux 2 et 3 ou qu'ils s'Ʃtendent sur toute la largeur du volet 1.Although in the various embodiments of the device according to the invention, the confinement means and the attachment means are located at or near the side edges 2 and 3 of the flap 1, it is also possible that these means are provided, for example, substantially in the middle between the side edges 2 and 3 or they extend over the entire width of the flap 1.

De plus, le dispositif Ơ volet, suivant l'invention, n'est pas limitƩ Ơ des portes avec des chemins de guidage verticaux, mais peut Ʃgalement prƩsenter des chemins de guidage horizontaux ou s'Ʃtendant dans n'importe quelle direction, lorsque le volet est, par exemple, utilisƩ comme Ʃcran solaire. Dans d'autres cas encore, il est possible de prƩvoir seulement un chemin de guidage horizontal au cƓtƩ supƩrieur d'une baie, de sorte que le volet est suspendu Ơ ce chemin de guidage ou de ne prƩvoir aucun chemin de guidage.In addition, the shutter device according to the invention is not limited to doors with vertical guideways, but may also have horizontal guideways or extending in any direction when the shutter is, for example, used as sunscreen. In still other cases, it is possible to provide only a horizontal guide path to the upper side of a bay, so that the flap is suspended from this guide path or to provide no guide path.

Enfin, les nervures peuvent ĆŖtre constituĆ©es par une succession de saillies s'Ć©tendant Ć  une certaine distance l'une de l'autre.Finally, the ribs may be constituted by a succession of projections extending at a certain distance from one another.

Claims (22)

  1. Shutter device designed to close off a bay (6) or other opening cooperating with driving means enabling the shutter (1) to be displaced between an open position and a closed position and comprising a drum (8) about which the shutter (1) is wound into its open position forming a roll (31) made up of turns formed by successive layers of the shutter (1), and from which the shutter (1) can be unwound into its closed position, confining means (11) being provided permitting to prevent the turns from forming wrinkles as the shutter (1) is displaced into its closed position and/or to prevent these turns from slipping relative to one another, characterised in that the confining means comprise hooking means (11) extending along the length of the shutter (1) on at least one of the faces thereof, which fix the successive turns relative to one another in order to prevent the successive turns of the shutter (1) from slipping relative to one another.
  2. Device as claimed in claim 1, characterised in that the hooking means (11) comprise a strip extending on one of the faces of the shutter (1) in the direction of its length and having at least one projection (12, 16, 21, 22, 23, 26, 27) which co-operates with the matching part on the other face of the shutter (1) such that said projection (12, 16, 21, 22, 23, 26, 27) grips with this part as the shutter (1) is being wound around the drum (8).
  3. Device as claimed in claim 2, characterised in that said strip has at least one projection (12, 16, 21, 22, 23, 26, 27) extending on one of the faces of the shutter (1) which is provided with one or more teeth (29) capable of engaging in a corresponding recess (13, 17, 18, 24, 25, 28) provided on the other face of the shutter (1) as the latter is being wound around the drum (8).
  4. Device as claimed in any one of claims 1 to 3, characterised in that the hooking means (11) comprise a ribbon (14) provided with hooks extending on either side of the plane of the shutter (1) so that the hooks on one side of the shutter (1) are able to grip onto hooks on the other side of the shutter (1) as the latter is wound.
  5. Device as claimed in any one of claims 1 to 4, characterised in that the hooking means (11) comprise a notched belt (15) extending along the shutter (1), one of the sides of which is provided with a succession of teeth (16) and the other side of which has corresponding notches (17) which are such that, as the shutter (1) is being wound, the teeth (16) engage with the notches (17), preventing the successive layers of the shutter (1) thus formed in the roll (31) from slipping relative to one another.
  6. Device as claimed in claim 5, characterised in that the distance between said teeth (16) and/or the dimensions thereof vary along the length of the shutter (1) in order to make allowance for the thickness of the shutter (1) and/or the increase in the diameter of the successive turns formed as the shutter (1) is wound.
  7. Device as claimed in any one of claims 1 to 6, characterised in that at least one pressing element is provided, which enables a thrust force to be applied to the hooking means (11) substantially radially to the drum (8) in order to fix the successive turns of the roll (31) one to the other.
  8. Device as claimed in claim 7, characterised in that the pressing element and the drum (8) are mounted so as to be movable relative to one another, means being provided to maintain a pressing force between the roll (31) and this pressing element.
  9. Device as claimed in claim 7 or 8, characterised in that the pressing element has a rotating cylinder (30), the axis of which is substantially parallel with the axis of the drum (8).
  10. Device as claimed in any one of claims 1 to 9, characterised in that the confining means consist of a belt (36, 40) at least partially enclosing said roll (31), this belt (36, 40) exerting a pressing force on the roll (31), means being provided to adapt the shape of this belt (36, 40) to the diameter of the roll (31) as the shutter (1) is wound or unwound.
  11. Device as claimed in claim 10, characterised in that said belt (36) defines a guide surface bearing on the roll (31) and enabling the roll (31) to move relative to the belt (36).
  12. Device as claimed in claim 11, characterised in that said guide surface is provided in the form of a succession of rollers (37) fixed to the belt (36) and bearing on the outermost turn of the roll (31), these rollers rotating, preferably each about an axis parallel with that of the drum (8).
  13. Device as claimed in any one of claims 10 to 12, characterised in that means (47) are provided to exert a traction force on one of the ends of the belt (36) so that at least a part of the latter extends along the contour of the roll (31) exerting a pressing force thereon as the shutter (1) is wound or unwound.
  14. Device as claimed in any one of claims 10 to 12, characterised in that said belt (40) loops back on itself and is guided on cylinders (41) extending substantially parallel with the axis of the drum (8), said roll (31) being at least partially enclosed by the belt (40) which is in contact with the outermost turn of the roll (31) applying a pressing force thereto.
  15. Device as claimed in claim 14, characterised in that at least one of said cylinders (41) is mounted so as to move relative to the drum (8) in order to adapt the shape of the belt (40) to the diameter of the roll (31) as the shutter (1) is being wound or unwound.
  16. Device as claimed in claim 14 or 15, characterised in that said belt (40) is made from an elastic material.
  17. Device as claimed in any one of claims 1 to 16, characterised in that the shutter (1) cooperates with an incompressible oblong component cooperating directly or indirectly with the driving means of the shutter and extending along the side edge of the latter in the longitudinal direction of the shutter, this component, as the shutter is being closed, acting on a projecting part provided at this side edge.
  18. Device as claimed in claim 17, characterised in that the incompressible component is wound around the drum when the shutter is in its open position forming superposed turns, the incompressible component being provided with hooking means to fix the successive turns one to the other such that a thrust force is applied on the incompressible component along its longitudinal direction as the shutter is unwound by driving the drum.
  19. Device as claimed in claim 17 or 18, characterised in that said projecting part is provided at the lower end of the shutter.
  20. Device as claimed in any one of claims 17 to 19, characterised in that a guide track is provided relative to which the incompressible component is displaced as the shutter is opened or closed.
  21. Device as claimed in claim 20, characterised in that the incompressible component and the corresponding side edge of the shutter are guided in said guide track, so that, when a force is exerted on the shutter in a direction transversally to the guide track, the side edge of the shutter is released from the corresponding guide track and from the corresponding incompressible component.
  22. Device as claimed in any one of claims 17 to 21, characterised in that the shutter has a thickening extending along the length of the shutter, the thickness of which in a direction perpendicular to the plane of the shutter essentially corresponds to the thickness of the incompressible component in that direction.
EP03729737.1A 2002-06-13 2003-06-13 Device with shutter winding about a drum Expired - Lifetime EP1518036B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE200200387 2002-06-13
BE2002/0387A BE1016275A3 (en) 2002-06-13 2002-06-13 Dipositif a component of a drum roll around.
PCT/BE2003/000106 WO2003106801A1 (en) 2002-06-13 2003-06-13 Device with shutter winding about a drum

Publications (2)

Publication Number Publication Date
EP1518036A1 EP1518036A1 (en) 2005-03-30
EP1518036B1 true EP1518036B1 (en) 2016-07-27

Family

ID=29721153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03729737.1A Expired - Lifetime EP1518036B1 (en) 2002-06-13 2003-06-13 Device with shutter winding about a drum

Country Status (21)

Country Link
US (1) US7275581B2 (en)
EP (1) EP1518036B1 (en)
JP (2) JP4806186B2 (en)
KR (1) KR101059049B1 (en)
CN (1) CN100449106C (en)
AU (1) AU2003242062B2 (en)
BE (1) BE1016275A3 (en)
BR (1) BR0305067B1 (en)
CA (1) CA2487812C (en)
DK (1) DK1518036T3 (en)
ES (1) ES2593004T3 (en)
IL (1) IL165733A0 (en)
MX (1) MXPA04012385A (en)
NO (1) NO20040628L (en)
NZ (1) NZ536843A (en)
PL (1) PL212432B1 (en)
PT (1) PT1518036T (en)
RU (1) RU2326225C2 (en)
UA (1) UA82844C2 (en)
WO (1) WO2003106801A1 (en)
ZA (1) ZA200409818B (en)

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Also Published As

Publication number Publication date
EP1518036A1 (en) 2005-03-30
KR101059049B1 (en) 2011-08-24
BE1016275A3 (en) 2006-07-04
DK1518036T3 (en) 2016-11-07
JP4806186B2 (en) 2011-11-02
CN1659356A (en) 2005-08-24
PL212432B1 (en) 2012-09-28
PL373138A1 (en) 2005-08-22
RU2326225C2 (en) 2008-06-10
CA2487812C (en) 2011-01-11
WO2003106801A1 (en) 2003-12-24
US20060037718A1 (en) 2006-02-23
NO20040628L (en) 2004-03-25
KR20050010852A (en) 2005-01-28
BR0305067B1 (en) 2012-10-02
ZA200409818B (en) 2006-07-26
IL165733A0 (en) 2006-01-15
ES2593004T3 (en) 2016-12-05
JP2011144630A (en) 2011-07-28
CA2487812A1 (en) 2003-12-24
BR0305067A (en) 2004-11-09
AU2003242062A1 (en) 2003-12-31
NZ536843A (en) 2007-09-28
PT1518036T (en) 2016-10-04
JP2005529262A (en) 2005-09-29
UA82844C2 (en) 2008-05-26
CN100449106C (en) 2009-01-07
US7275581B2 (en) 2007-10-02
RU2005100506A (en) 2005-11-10
AU2003242062B2 (en) 2008-10-02
MXPA04012385A (en) 2005-02-25

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