EP2165037A1 - Device with shutter and element for the reinsertion of a shutter into a guide slide - Google Patents

Device with shutter and element for the reinsertion of a shutter into a guide slide

Info

Publication number
EP2165037A1
EP2165037A1 EP08760991A EP08760991A EP2165037A1 EP 2165037 A1 EP2165037 A1 EP 2165037A1 EP 08760991 A EP08760991 A EP 08760991A EP 08760991 A EP08760991 A EP 08760991A EP 2165037 A1 EP2165037 A1 EP 2165037A1
Authority
EP
European Patent Office
Prior art keywords
slide
flap
rollers
bead
shutter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08760991A
Other languages
German (de)
French (fr)
Other versions
EP2165037B1 (en
Inventor
Frédéric Bostyn
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
Dynaco International SA
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 Dynaco International SA filed Critical Dynaco International SA
Priority to EP08760991.3A priority Critical patent/EP2165037B1/en
Priority to SI200831255T priority patent/SI2165037T1/en
Priority to PL08760991T priority patent/PL2165037T3/en
Publication of EP2165037A1 publication Critical patent/EP2165037A1/en
Application granted granted Critical
Publication of EP2165037B1 publication Critical patent/EP2165037B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E06B9/581—Means to prevent or induce disengagement of shutter from side rails
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E06B2009/585—Emergency release to prevent damage of shutter or guiding device

Definitions

  • the present invention relates to flexible shutters for shuttering berries.
  • the invention more particularly relates to a shutter device for closing a bay, comprising - at least one slide; a deformable flap, capable of being moved facing the bay, in one direction to cover said bay or in the opposite direction to discover it, said flap comprising at least one side bead which is slidably mounted in the slide and of which it can be extracted under the action of a defined traction force, directed transversely to the slide; and means for reintroducing into the slide the bead extracted therefrom, said means comprising a guide member which is arranged facing the slide and which is designed so that while moving the shutter in the opposite direction above, it deviates towards the slide, the bead that has been extracted from this slide.
  • the deformable flaps are commonly used for filling berries, especially for isolating warehouses or industrial halls. These flaps are often made of large flexible sheets whose side edges comprise beads that slide in slides located on either side of the bay to be closed. Fixing the flap side bolsters in the slides is retractable, so that they can leave the slides if they are subjected to a tensile force exceeding a defined critical value transversely to the slide.
  • the objective is to avoid damaging the flap in the event of an accidental impact, which may for example occur when a vehicle accidentally hits the flap in the closed or insufficiently open position. This type of component involves reintroducing into the slides, the side bolsters that would have come out accidentally, to put the shutter in operation.
  • EP-A 0 272 733 discloses a shutter device of the type described above, in which means are provided for the reintroduction of the side flanges of the flap in the slides is done automatically. This means consists in making a longitudinal opening in the top of the slideways, so that up the flap, the lateral beads thereof, which would come out of the slides return when they arrive in front of the opening.
  • the reintroduction means of the document EP-A 0 272 733 are improved.
  • the means for reintroducing the lateral beads of the flap in the slideways comprises, in more than the aforementioned opening, a pair of guide blocks which are arranged on either side of the flap, in front of the opening.
  • the blocks are positioned on either side of the shutter and they are spaced from each other by a distance that is intermediate between the thickness of the shutter and that of the beads.
  • the blocks are positioned facing the opening of the slide, so that during the upward movement of the flap, the bead (which is out of its slide) slides against the two guiding blocks which guide it by pushing it thus in the opening of the slide.
  • the object of the invention is to provide an improved shutter device which avoids the drawbacks associated with the friction of the shutter on guide blocks during its reinsertion in the slideways.
  • the guide member comprises at least one pair of rollers which are respectively disposed on either side of the shutter so that, while the shutter is moved in the opposite direction above, they roll on the bead that has been extracted from the slide, pushing it into the slide.
  • the term "bay” refers to an opening in a wall or partition of a building or across the floor.
  • the bay may be a vertical bay (for example a door or window through a vertical wall of a building), a horizontal bay (for example an opening through the ground or a horizontal roof of a building to give access to a chamber or cavity), or a bay oriented obliquely (as it may be the case of an opening made through an inclined roof).
  • the invention is especially applicable to vertical bays.
  • the shape of the bay is not critical. In practice, the bay is generally square or rectangular. The dimensions of the bay are not critical either.
  • the invention is particularly applicable to vertical bays whose dimensions allow the passage of a land vehicle (for example a car, a truck, a semi-trailer or a trailer at the entrance of a warehouse of goods, an industrial workshop or an exhibition hall), an air vehicle (for example an airplane in a ground maintenance workshop) or a river vehicle (for example a houseboat, at the entrance of an 'an unloading warehouse) [illustrative, non-exhaustive list].
  • the invention also applies to horizontal bays made across the ground and delimiting for example a swimming pool, a pond or a pond for the storage and / or treatment of industrial materials (illustrative list, not exhaustive).
  • the term "shutter” designates, in the broad sense, a removable partition, which is at least partially flexible or flexible.
  • the shutter can for example comprise a set of articulated slats, a tarpaulin, a canvas or a fence (illustrative list, not exhaustive). It can be totally or partially opaque, transparent or translucent. It may be metal or a (co) polymer obtained by chemical synthesis, for example polyvinyl chloride, optionally reinforced with a mineral material (for example glass fibers). Soft tarpaulins are preferred.
  • the shutter is designed, in a manner known per se, to cover the bay or discover it at will.
  • the flap may be subject to displacements in opposite directions facing the bay, namely in one direction to cover the bay and in the opposite direction to discover it.
  • opposite direction designates the direction of movement of the flap, for which the flap gradually discovers the bay.
  • the slide serves to guide the shutter during its movements in the two opposite directions above. It can be substantially rectilinear and is arranged along the bay.
  • the guiding of the flap is provided by at least one lateral bead of the flap, which is slidably mounted in the slideway. In cross section, the shape of the bead must be adapted to that of the slide, so that it is retained therein and can slide during the aforementioned displacements of the flap in front of the bay.
  • the bead may for example have a circular or polygonal cross section, for example square, rectangular or hexagonal.
  • the circular cross section is preferred.
  • the bead can be an integral part of the shutter. Alternatively it can be attached to a flap edge and fixed thereto by any suitable means, for example by gluing, welding or riveting.
  • the bead can be continuous or notched, and extend over the entire length of the side edge of the flap.
  • the flap may comprise a row of several beads spaced along the side edge of the flap.
  • the term "bead” denotes indistinctly a continuous lateral bead or serrated, or a lateral row of several beads.
  • the slide generally comprises a profile whose cross section is adapted to that of the bead and which is pierced with a longitudinal slot for the passage of the flap. It may be made of any material adapted to its technical function, for example metal or (co) polymer obtained by chemical synthesis, for example high density polyethylene, optionally reinforced with a mineral material (for example glass fibers) .
  • the position of the slide in the vicinity of the bay will depend on various parameters, including the orientation of the bay (horizontal orientation, oblique or vertical) and the direction of movement of the shutter to cover or discover the bay.
  • the slide In the case of a horizontal bay, the slide is usually horizontal. In the case of an oblique bay, the slide is usually oblique.
  • the slide In the case of a vertical rack, the slide can be vertical or horizontal depending on the direction chosen for the movement of the flap.
  • the slide is vertical in the case where the shutter is moved vertically to open or close the bay.
  • the slide is horizontal, in the case where the shutter is moved horizontally to open or close the bay.
  • the position of the lateral bead on the flap is conditioned by the position of the slide with which the bead cooperates to guide the flap.
  • the bead and the slide are furthermore designed and profiled so as to allow the bead to be torn off the slide, as soon as it is subjected to a defined tensile force (greater than a set value), directed in the plane of the flap and transversely to the slide.
  • a defined tensile force greater than a set value
  • the term "shutter plane” denotes a fictitious geometric plane, defined by the shutter when it covers the bay. The pulling of the bead of its slide under the action of the aforementioned force must be done without damaging the flap, the bead or the slide.
  • the profile and the dimensions of the slide and the bead and their deformation capacities must therefore be adapted so that the tensile force required to tear the bead of the slide is less than a critical value likely to tear the shutter or deteriorate the slide or bead.
  • the traction force must however be substantial and sufficient to prevent the bead unexpectedly coming out of the slide during normal operation of the shutter.
  • the shutter device according to the invention is further provided with a means designed so that, in the case where the bead has been torn off its slide, it is reintroduced automatically while the flap undergoes a displacement in the direction to discover the bay ("opposite direction" defined above).
  • this means comprises at least one pair of rollers which are arranged on either side of the shutter, so that that during a displacement of the flap in the opposite direction aforesaid (for which it clears the bay), these rollers roll on the bead that has been torn off its slide and pushes it back into the slide.
  • the position of the rollers facing the slide is of great importance.
  • the rollers turn on the bead (which has been torn from the slide) and force it to cross the aforementioned longitudinal slot of the slide to penetrate in this one.
  • the surface of the rollers is ribbed. In this way, a better adhesion of the bead to the rollers is achieved.
  • the distance between the two rollers must be greater than the thickness of the flap (so as not to hinder its movement in front of the bay) and less than the thickness of the flange (so that they take support on this one). A substantial gap is normally provided between the rollers and the slide.
  • this gap must be small enough that the force exerted by the rollers on the bead is sufficient to reinsert it into the slide.
  • the optimum distance must therefore be determined in each particular case by those skilled in the art.
  • the difference between the rollers is adjustable.
  • This embodiment is adapted to the use of shutters of different thicknesses.
  • an opening is made in the slide opposite the rollers.
  • the function of the opening is to reduce the force exerted on the bead during its reinsertion in the slide.
  • the rollers may be partially engaged in the opening of the slide, so as to roll permanently on the bead, even when it is normally in place in its slide.
  • the rollers can have any shape compatible with their technical function.
  • the rollers are opposed to each other with respect to the median plane of the shutter (the median plane of the shutter has been defined above).
  • the rollers are arranged symmetrically on either side of the median plane of the shutter.
  • the rollers comprise axes of rotation which are opposed to each other with respect to the median plane of the shutter.
  • the fixed axes of rotation of the rollers are located symmetrically on either side of the median plane of the shutter.
  • the two axes of rotation of the two rollers are preferably situated substantially in the same geometrical plane and this is preferably substantially perpendicular to the median plane of the shutter.
  • the two rollers converge towards the slideway.
  • the optimum angle of convergence of the two rollers is the result of a compromise between the search for a maximum value of the force exerted by the rollers to force the bead to enter the slide of which it was torn off and the search for a minimum wear of the rollers, the bead and the slide.
  • the optimum convergence angle must therefore be determined in each particular case by those skilled in the art, depending on the circumstances.
  • the rollers are advantageously rotatably mounted on ball bearings or other similar bearings.
  • the rollers In the shutter device according to the invention, the rollers must be sufficiently strong mechanically to withstand the mechanical forces exerted on them by the shutter. Notwithstanding this condition, the dimensions of the rollers and the material in which they are made are not critical to the definition of the invention.
  • the rollers may for example be metal (for example steel) or a (co) polymer obtained by chemical synthesis (for example polyester, or polyamide or elastomer).
  • the slides are provided with a reinforcing means in their area adjacent to the rollers.
  • the area adjacent the rollers is an area which is normally located in the immediate vicinity of the rollers, downstream thereof relative to the movement of the shutter in the opposite direction defined above.
  • This reinforcing means may advantageously comprise a U-shaped section in which the slide is embedded.
  • the U-shaped section may be made of metal (for example steel) or a
  • high-strength (co) polymer such as a polyamide, for example.
  • the rollers are fixed to a frame comprising the U-shaped section.
  • This variant of the invention makes it possible to move the rollers at will along the slideway. . It also facilitates the replacement of the rollers, for example in case of wear or deterioration of them.
  • the frame and the slideway are fixed on a fixed support, for example a metal frame disposed along the bay and sealed in a suitable structure, for example a masonry.
  • the frame comprises an axial channel and at least a portion of the U-shaped section is constituted by this axial channel.
  • the frame is advantageously obtained by molding.
  • the flap may comprise a single slide and a single bead cooperating with said slide to guide the flap.
  • the flap comprises a second bead side which is slidably mounted in a second slide from which it can be extracted under the action of a defined traction force, directed transversely to the slide and a second pair of rollers which are arranged respectively on either side of the shutter so that, while moving the flap in the opposite direction, the rollers of said second pair roll on said second bead which has been extracted from said second slide, pushing it into this slide.
  • the use of rollers to automatically reintroduce the or each bead of the flap in its slide has the advantage of considerably reducing the mechanical stresses exerted on the flap and the or each bead.
  • the invention substantially increases the life of the shutters.
  • the invention also relates to an element for the reintroduction of a lateral bead of a flap in a slide from which said bead has been extracted, this reintroduction element comprising a frame designed to be mounted on a support of the slide, the frame comprising, on the one hand, a U-shaped axial channel into which the slide can be embedded and, on the other hand, at least one pair of rollers which are located beyond one end of said channel and which are positioned so that when the slide is embedded in the channel of the frame, the rollers roll on the bead that has been extracted from the channel and forces it to enter when the flap is moved in a defined direction.
  • the terms “shutter”, “slide”, “bead”, “guide member” and “roller” have been defined above, as well as their respective functions.
  • the rollers have fixed axes of rotation and the two axes of rotation of the two rollers are situated symmetrically on either side of a median plane of the channel.
  • U-shaped chassis These two axes are preferably located in the same plane which is substantially perpendicular to said median plane of the channel and they are advantageously oriented obliquely so that the rollers converge towards the bottom of the channel.
  • the reintroduction element according to the invention can be easily adapted to shutter devices according to the invention.
  • the frame of the reintroduction element When mounting the reintroduction element according to the invention on an existing flap, the frame of the reintroduction element must be oriented so that the rollers are located downstream of the aforementioned channel, relative to the opposite direction defined more high.
  • the invention finds many applications, in particular for shutting large vertical bays giving access to sheds or warehouses, or for covering basins filled with water (such as industrial pools for water treatment or swimming pools ) or to cover horizontal openings giving access to silos or other storage enclosures for goods or industrial products.
  • Figure 1 is a schematic front view of a shutter device according to the invention, in the closed position
  • Figure 2 shows the shutter device of Figure 1, in vertical cross section along the plane II-II of Figure 1;
  • FIG. 3 is a large scale view of a detail of Figure 1, showing the reintroduction element according to the invention;
  • FIG. 4 shows the shutter of FIGS. 1 to 3, in horizontal cross-section along plane IV-IV of FIG. 2;
  • Figure 5 is a view similar to that of Figure 4, in which a bead of the flap has been torn from its slide;
  • Figure 6 shows in perspective the reintroduction element equipping the device of Figures 1 to 3;
  • Figure 7 is a front view of the reintroduction element of Figure 6;
  • Figure 8 is a plan view of the reintroduction element of Figures 6 and 7;
  • Figure 9 shows, on a large scale, a detail of Figure 8.
  • Figure 10 shows another detail of Figure 8, on a large scale
  • FIG. 11 shows, in axial vertical section along the plane XI-XI of FIG. 7, the element of reintroduction of Figures 6 to 10, associated with a slide of a flap;
  • Figure 12 shows, on a large scale, a detail of Figure 11;
  • Figure 13 is a view similar to that of Figure 11, schematizing the operation of the reintroduction element of Figures 6 to 10;
  • FIG. 14 shows, on a large scale, a detail of Figure 13;
  • FIG. 15 is a perspective representation of the lower part of the reintroduction element according to the invention.
  • Figure 16 shows a variant of the reintroduction element according to the invention. The figures are not drawn to scale.
  • Figures 1 to 3 show a vertical rack 1, pierced through a vertical partition 2 of a building, for example an industrial or commercial warehouse.
  • the dimensions of the bay 1 allow the passage of a truck (not shown).
  • the partition 2 is equipped with a shutter device according to the invention.
  • This shutter device comprises a shutter 3, formed of a flexible sheet, for example polyvinyl chloride reinforced with glass fibers.
  • the shutter 3 is fixed, at its upper part, to a horizontal drum 4 situated above the bay 1.
  • the drum 4 is coupled to an electric motor 5, the actuation of which enables the shutter 3 to be lowered to cover bay 1 and close the building or go up to discover bay 1 and allow the passage of a truck.
  • a pair of vertical slides 7 and 8 are respectively disposed along the vertical edges of the bay 1.
  • the slides 7, 8 are attached to a metal frame 9 which is sealed in the ground 6.
  • the slides 7, 8 serve to guide the component 3 during its ascending and descending movements.
  • the flap 3 is provided with two lateral beads 10 and 11, which are engaged in the slides 7 and 8.
  • the beads 10 and 11 have a circular profile and their thickness is greater than that of the flap.
  • the slides 7 and 8 are profiles of circular section, extended by two wings 12 and 13 which delimit between them a vertical longitudinal slot 16. The width of the slot 16 is intermediate between the thickness of the tarp of the shutter 3 and the thickness of the beads 10 and 11.
  • the beads 10 and 11 slide in the slides 7 and 8 during the lowering or raising of the flap 3.
  • Each of the slides 7 and 8 is embedded in a frame 14 which will be explained further.
  • the slides 7 and 8, particularly their wings 12 and 13, are designed so that the beads 10 and 11 can be released from the slideways through the slot 16, as soon as traction forces X and Y ( Figure 4) are exerted on the bead, in the plane of the shutter and transversely to the slides. The case may for example occur when, the shutter is lowered or insufficiently raised, it is struck violently by a vehicle entering or exiting the warehouse.
  • FIG. 5 shows the shutter 3, the bead 10 of which has been torn from its slide 7.
  • the slides 7 and 8 are for example high density polyethylene.
  • the shutter device shown in the figures is equipped with an element according to the invention for the reintroduction of the bead 10 (or the bead 11) in its slide 7 (or 8), after it has been torn off.
  • This device best shown in Figures 6 to 10 comprises a frame 14 which is fixed to the frame 9 ( Figures 1 and 3) in the upper part of the slide.
  • the frame 14 is pierced with a straight axial channel 15 whose U-shaped profile allows to embed the slide 7, 8.
  • the frame 14 is preferably a molded body of high-strength plastic material, for example a polyamide.
  • the slide 7 is embedded in the channel 15 of the frame 14.
  • the chassis 14 has the function of reinforcing the rigidity of the slide 7 which is embedded therein.
  • the frame 14 has two longitudinal wings 21 which bear respectively on the wings 12 and 13 of the slide 7.
  • the frame 14 and its wings 21 must have sufficient rigidity to prevent deformation of the slide 7 in the frame 14 during reintroduction of the bead in the slide in the manner to be explained later.
  • a sufficient gap must be provided between the two wings 21, to allow the passage of the flap 3.
  • the frame 14 is equipped with a pair of rollers 17, mounted on ball bearings 18 set on fixed shafts 19.
  • the shafts 19 are oriented so that the two rollers 17 are located symmetrically on either side of the axial plane of the slideway 7 and in the immediate vicinity of the slot 16 of the slideway 7.
  • the rollers 17 are located near the lower end of the frame 14.
  • Figure 9 shows in detail the position of the rollers 17 on the frame 14 , in relation with the slide 7 which is embedded therein and with a bead 10 sliding in the slide 7.
  • the two rollers 17 face the slot 16 of the slide 7 and they converge towards the slot 16.
  • the gap between the two rollers 17 is chosen from man to maintain between each roller 17 and the flap 3 a distance A which is sufficient not to impede the normal operation of the flap, while preventing the bead 10 of the flap can pass between the rollers 17.
  • the rollers 17 are positioned to maintain a substantial distance B between them and the bead 10, when it normally slides in its slide 7.
  • Figure 10 shows an advantageous embodiment of the invention, wherein the rollers 17 are ribbed to their periphery.
  • the ribs 22 of the rollers 17 serve to enhance the adhesion of the rollers on the bead while that is reintroduced into its slide in the way that will be exposed further.
  • FIG. 11 it can be seen that the bead 10 of the flap 3 is normally engaged in its slideway 7.
  • the bead 10 therefore slides normally in its slideway 7, to guide the flap while it is subjected to upward movements or descendants in the direction of arrows ZZ '.
  • FIG. 12 shows a substantial distance B between the rollers 17 and the bead 10 This is therefore not solicited by rollers 17 during normal operation of shutter 3.
  • FIGS. 13 and 14 the bead 10 of the shutter has been torn off its slide 7.
  • the bead 10 is pulled upwards in the direction of the arrow Z and it rolls on the rollers 17 which, turning in the direction of the arrow C, push the bead 10 through the opening 23 into the slide 7.
  • Figure 14 shows the forces D exerted by the rollers 17 on the bead 10.
  • FIG. 15 shows a bead 27 of the flap 3, said bead 27 having a notched shape on either side of the median plane of the flap 3.
  • the notched bead 27 is provided with a continuous shoulder 28 which provides the rollers 17 with a contact zone and continuous support.
  • the slide 7 is not shown.
  • the reintroduction element is integrated into a flap device comprising on each side a toothed return pulley 24 making it possible to give a change of direction to the flap 3, the return pulleys 24 being rotatably mounted and secured for example by an axis not shown.
  • the return pulleys 24 may optionally drive the flap 3.
  • the reintroduction element has a curvilinear portion 26 provided with a guide roller 25 which is intended to hold the serrated bead 27 in engagement with the deflection pulley 24 and to maintain it, whatever the direction of sliding, inside the channel 15, or the slide 7.
  • the bay 1 is vertical and the flap is suspended from a drum 4 disposed above the bay.
  • the flap is subjected to an upward movement to discover the bay.
  • the invention also applies to the case where the drum 4 is located in the bottom of the bay 1.
  • the drum may for example be housed in a gutter below the level of the ground.
  • the shutter is downwardly moved to discover the bay and upwardly to cover it.
  • the slide 7 is horizontal and disposed along the upper horizontal edge of the bay 1, while the slide 8 is disposed along the edge lower horizontal of the bay.
  • the beads 10 and 11 of the flap 3 are horizontal and the drum 4 is vertical and disposed along one of the vertical edges of the bay 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Blinds (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

Device with a shutter and element for the reinsertion of a shutter into a guide slide. Device with a shutter for the closing-off of a bay (1), comprising a slide (7, 8); a deformable shutter (3) comprising a lateral flange (10, 11, 27) which is mounted slidingly in the slide; and a means for reinserting the flange into the slide, after it has been pulled out of the slide, this means comprising at least one pair of rollers (17) which are placed on either side of the shutter and which, while the shutter is moved opposite the bay in order to uncover the latter, roll on the flange which has come out of the slide and push it back into the latter. Figure 6.

Description

Dispositif à volet et élément de réintroduction d'un volet dans une glissière de guidage Shutter device and element for reintroducing a shutter into a guide rail
Domaine de l' invention La présente invention concerne des volets souples pour l'obturation de baies.Field of the Invention The present invention relates to flexible shutters for shuttering berries.
L' invention concerne plus particulièrement un dispositif à volet pour l'obturation d'une baie, comprenant - au moins une glissière ; un volet déformable, susceptible d'être déplacé en regard de la baie, dans un sens pour recouvrir ladite baie ou dans le sens inverse pour la découvrir, ledit volet comprenant au moins un bourrelet latéral qui est monté à coulissement dans la glissière et dont il peut être extrait sous l'action d'une force de traction définie, dirigée transversalement à la glissière ; et un moyen pour réintroduire dans la glissière le bourrelet extrait de celle-ci, ce moyen comprenant un organe de guidage qui est disposé en regard de la glissière et qui est conçu pour que, pendant que l'on déplace le volet dans le sens inverse précité, il dévie vers la glissière, le bourrelet qui a été extrait de cette glissière.The invention more particularly relates to a shutter device for closing a bay, comprising - at least one slide; a deformable flap, capable of being moved facing the bay, in one direction to cover said bay or in the opposite direction to discover it, said flap comprising at least one side bead which is slidably mounted in the slide and of which it can be extracted under the action of a defined traction force, directed transversely to the slide; and means for reintroducing into the slide the bead extracted therefrom, said means comprising a guide member which is arranged facing the slide and which is designed so that while moving the shutter in the opposite direction above, it deviates towards the slide, the bead that has been extracted from this slide.
Etat de la techniqueState of the art
Les volets déformables sont communément utilisés pour l'obturation de baies, notamment pour isoler des entrepôts ou des halls industriels. Ces volets sont fréquemment constitués de grandes bâches souples dont les bords latéraux comprennent des bourrelets qui coulissent dans des glissières situées de part et d'autre de la baie à obturer. La fixation des bourrelets latéraux du volet dans les glissières est escamotable, de telle sorte qu'ils puissent sortir des glissières s'ils sont soumis à un effort de traction dépassant une valeur critique définie, transversalement à la glissière. L'objectif est d'éviter une détérioration du volet en cas d'impact accidentel, ce qui peut par exemple se présenter lorsqu'un véhicule heurte accidentellement le volet en position fermée ou insuffisamment ouverte. Ce type de volet implique de réintroduire dans les glissières, les bourrelets latéraux qui en seraient sortis accidentellement, pour remettre le volet en activité.The deformable flaps are commonly used for filling berries, especially for isolating warehouses or industrial halls. These flaps are often made of large flexible sheets whose side edges comprise beads that slide in slides located on either side of the bay to be closed. Fixing the flap side bolsters in the slides is retractable, so that they can leave the slides if they are subjected to a tensile force exceeding a defined critical value transversely to the slide. The objective is to avoid damaging the flap in the event of an accidental impact, which may for example occur when a vehicle accidentally hits the flap in the closed or insufficiently open position. This type of component involves reintroducing into the slides, the side bolsters that would have come out accidentally, to put the shutter in operation.
Dans le document EP-A 0 272 733, on décrit un dispositif à volet du type de celui décrit ci-dessus, dans lequel un moyen est prévu pour que la réintroduction des bourrelets latéraux du volet dans les glissières se fasse automatiquement. Ce moyen consiste à pratiquer une ouverture longitudinale dans le haut des glissières, de sorte qu'en remontant le volet, les bourrelets latéraux de celui-ci, qui seraient sortis des glissières y retournent lorsqu'ils arrivent en face de l'ouverture.EP-A 0 272 733 discloses a shutter device of the type described above, in which means are provided for the reintroduction of the side flanges of the flap in the slides is done automatically. This means consists in making a longitudinal opening in the top of the slideways, so that up the flap, the lateral beads thereof, which would come out of the slides return when they arrive in front of the opening.
Dans le document WO 03/048498, on perfectionne le moyen de réintroduction du document EP-A 0 272 733. Dans le dispositif à volet du document WO 03/048498, le moyen de réintroduction des bourrelets latéraux du volet dans les glissières comprend, en plus de l'ouverture précitée, une paire de blocs de guidage qui sont disposés de part et d'autre du volet, en face de l'ouverture. Les blocs sont positionnés de part et d'autre du volet et ils sont écartés l'un de l'autre d'une distance qui est intermédiaire entre l'épaisseur du volet et celle des bourrelets. Les blocs sont positionnés en regard de l'ouverture de la glissière, de telle sorte que, pendant le mouvement ascendant du volet, le bourrelet (qui est sorti de sa glissière) glisse contre les deux blocs de guidage qui le guident en le repoussant ainsi dans l'ouverture de la glissière.In the document WO 03/048498, the reintroduction means of the document EP-A 0 272 733 are improved. In the shutter device of the document WO 03/048498, the means for reintroducing the lateral beads of the flap in the slideways comprises, in more than the aforementioned opening, a pair of guide blocks which are arranged on either side of the flap, in front of the opening. The blocks are positioned on either side of the shutter and they are spaced from each other by a distance that is intermediate between the thickness of the shutter and that of the beads. The blocks are positioned facing the opening of the slide, so that during the upward movement of the flap, the bead (which is out of its slide) slides against the two guiding blocks which guide it by pushing it thus in the opening of the slide.
Dans ce dispositif à volet connu, le glissement du bourrelet du volet sur les deux blocs engendre un effort de frottement qui sollicite le volet et entrave son mouvement ascendant.In this known shutter device, the sliding of the flap of the shutter on the two blocks generates a frictional force which urges the shutter and hinders its upward movement.
Dans les dispositifs des documents EP-A 0 272 733 et WO 03/048498 qui viennent d'être décrits, il est nécessaire de pratiquer une ouverture dans la glissière, dont la largeur est suffisante pour permettre le passage du bourrelet à y réintroduire. Résumé de l'inventionIn the devices of documents EP-A 0 272 733 and WO 03/048498 which have just been described, it is necessary to make an opening in the slideway, whose width is sufficient to allow the passage of the bead to reintroduce it. Summary of the invention
L' invention vise à fournir un dispositif à volet perfectionné, qui évite les inconvénients liés au frottement du volet sur des blocs de guidage au cours de sa réinsertion dans les glissières.The object of the invention is to provide an improved shutter device which avoids the drawbacks associated with the friction of the shutter on guide blocks during its reinsertion in the slideways.
A cet effet, selon l'invention, l'organe de guidage comprend au moins une paire de galets qui sont disposés respectivement de part et d'autre du volet de telle sorte que, pendant que l'on déplace le volet dans le sens inverse précité, ils roulent sur le bourrelet qui a été extrait de la glissière, en le poussant dans la glissière . Dans le présent mémoire, le vocable « baie » désigne une ouverture pratiquée dans une paroi ou une cloison d'un bâtiment ou à travers le sol. La baie peut être une baie verticale (par exemple une porte ou une fenêtre pratiquée à travers une paroi verticale d'un bâtiment), une baie horizontale (par exemple une ouverture pratiquée à travers le sol ou une toiture horizontale d'un bâtiment pour donner accès à une chambre ou à une cavité) , ou encore une baie orientée obliquement (comme ce peut être le cas d'une ouverture pratiquée à travers un pan de toit incliné) . L'invention s'applique spécialement bien aux baies verticales . La forme de la baie n'est pas critique. En pratique, la baie est généralement carrée ou rectangulaire. Les dimensions de la baie ne sont pas critiques non plus. L'invention s'applique tout spécialement aux baies verticales dont les dimensions permettent le passage d'un véhicule terrestre (par exemple une voiture automobile, un camion, un semi-remorque ou une remorque à l'entrée d'un entrepôt de marchandises, d'un atelier industriel ou d'un hall d'exposition), d'un véhicule aérien (par exemple un avion dans un atelier de maintenance au sol) ou d'un véhicule fluvial (par exemple une péniche, à l'entrée d'un entrepôt de déchargement) [liste exemplative, non exhaustive] . L'invention s'applique aussi aux baies horizontales pratiquées à travers le sol et délimitant par exemple une piscine, un étang ou un bassin pour le stockage et/ou le traitement de matières industrielles (liste exemplative, non exhaustive) .For this purpose, according to the invention, the guide member comprises at least one pair of rollers which are respectively disposed on either side of the shutter so that, while the shutter is moved in the opposite direction above, they roll on the bead that has been extracted from the slide, pushing it into the slide. As used herein, the term "bay" refers to an opening in a wall or partition of a building or across the floor. The bay may be a vertical bay (for example a door or window through a vertical wall of a building), a horizontal bay (for example an opening through the ground or a horizontal roof of a building to give access to a chamber or cavity), or a bay oriented obliquely (as it may be the case of an opening made through an inclined roof). The invention is especially applicable to vertical bays. The shape of the bay is not critical. In practice, the bay is generally square or rectangular. The dimensions of the bay are not critical either. The invention is particularly applicable to vertical bays whose dimensions allow the passage of a land vehicle (for example a car, a truck, a semi-trailer or a trailer at the entrance of a warehouse of goods, an industrial workshop or an exhibition hall), an air vehicle (for example an airplane in a ground maintenance workshop) or a river vehicle (for example a houseboat, at the entrance of an 'an unloading warehouse) [illustrative, non-exhaustive list]. The invention also applies to horizontal bays made across the ground and delimiting for example a swimming pool, a pond or a pond for the storage and / or treatment of industrial materials (illustrative list, not exhaustive).
Le vocable « volet » désigne, au sens large, une cloison amovible, qui est au moins partiellement souple ou flexible. Le volet peut par exemple comprendre un ensemble de lamelles articulées, une bâche, une toile ou un grillage (liste exemplative, non exhaustive) . Il peut être totalement ou partiellement opaque, transparent ou translucide. Il peut être en métal ou en un (co) polymère obtenu par synthèse chimique, par exemple en polychlorure de vinyle, éventuellement renforcé d'une matière minérale (par exemple des fibres de verre) . On préfère les bâches souples. Dans le dispositif selon l'invention, le volet est conçu, de manière connue en soi, pour recouvrir la baie ou la découvrir à volonté. A cet effet, le volet peut être soumis à des déplacements en sens opposés en regard de la baie, à savoir dans un sens pour recouvrir la baie et dans le sens inverse pour la découvrir. Dans la suite du présent mémoire, l'expression « sens inverse » désigne le sens du déplacement du volet, pour lequel le volet découvre progressivement la baie. La glissière sert à guider le volet pendant ses déplacements dans les deux sens opposés susdits. Elle peut être sensiblement rectiligne et est disposée le long de la baie. Le guidage du volet est assuré par au moins un bourrelet latéral du volet, qui est monté à coulissement dans la glissière. En section transversale, la forme du bourrelet doit être adaptée à celle de la glissière, de manière qu'il soit retenu dans celle-ci et puisse y coulisser pendant les déplacements précités du volet en face de la baie. Nonobstant cette condition générale, la forme du bourrelet n'est pas critique pour la définition de l'invention. Le bourrelet peut par exemple avoir une section transversale circulaire ou polygonale, par exemple carrée, rectangulaire ou hexagonale. La section transversale circulaire est préférée. Le bourrelet peut faire partie intégrante du volet. En variante il peut être rapporté sur une bordure du volet et fixé à celle- ci par tout moyen approprié, par exemple par collage, soudage ou rivetage. Le bourrelet peut être continu ou cranté, et s'étendre sur toute la longueur du bord latéral du volet. En variante, le volet peut comprendre une rangée de plusieurs bourrelets espacés le long de la bordure latérale du volet. Dans la suite du présent mémoire et à défaut d' information contraire, le vocable « bourrelet » désignera indistinctement un bourrelet latéral continu ou cranté, ou une rangée latérale de plusieurs bourrelets. La glissière comprend généralement un profilé dont la section transversale est adaptée à celle du bourrelet et qui est percé d'une fente longitudinale pour le passage du volet. Elle peut être réalisée en toute matière adaptée à sa fonction technique, par exemple en métal ou en (co) polymère obtenu par synthèse chimique, par exemple en polyéthylène haute densité, éventuellement renforcé d'une matière minérale (par exemple des fibres de verre) . La position de la glissière au voisinage de la baie va dépendre de divers paramètres, notamment de l'orientation de la baie (orientation horizontale, oblique ou verticale) et de la direction des mouvements du volet pour couvrir ou découvrir la baie. Dans le cas d'une baie horizontale, la glissière est habituellement horizontale. Dans le cas d'une baie oblique, la glissière est habituellement oblique. Dans le cas d'une baie verticale, la glissière peut être verticale ou horizontale selon la direction choisie pour le mouvement du volet. La glissière est verticale dans le cas où le volet est déplacé verticalement pour ouvrir ou fermer la baie. La glissière est horizontale, dans le cas où le volet est déplacé horizontalement pour ouvrir ou fermer la baie. La position du bourrelet latéral sur le volet est conditionnée par la position de la glissière avec laquelle le bourrelet coopère pour guider le volet. Le bourrelet et la glissière sont en outre conçus et profilés de manière à permettre que le bourrelet soit arraché de la glissière, dès qu'il est soumis à un effort de traction défini (supérieur à une valeur de consigne) , dirigé dans le plan du volet et transversalement à la glissière. Dans cette définition de l'invention, on entend désigner par l'expression « plan du volet » un plan géométrique fictif, défini par le volet lorsqu' il recouvre la baie. L'arrachement du bourrelet de sa glissière sous l'action de la force précitée doit se faire sans détériorer le volet, ni le bourrelet, ni la glissière. Le profil et les dimensions de la glissière et du bourrelet et leurs capacités à la déformation doivent dès lors être adaptés pour que l'effort de traction nécessaire pour arracher le bourrelet de la glissière soit inférieur à une valeur critique susceptible de déchirer le volet ou de détériorer la glissière ou le bourrelet. L'effort de traction doit toutefois être substantiel et suffisant pour éviter que le bourrelet sorte inopinément de la glissière pendant une manœuvre normale du volet.The term "shutter" designates, in the broad sense, a removable partition, which is at least partially flexible or flexible. The shutter can for example comprise a set of articulated slats, a tarpaulin, a canvas or a fence (illustrative list, not exhaustive). It can be totally or partially opaque, transparent or translucent. It may be metal or a (co) polymer obtained by chemical synthesis, for example polyvinyl chloride, optionally reinforced with a mineral material (for example glass fibers). Soft tarpaulins are preferred. In the device according to the invention, the shutter is designed, in a manner known per se, to cover the bay or discover it at will. For this purpose, the flap may be subject to displacements in opposite directions facing the bay, namely in one direction to cover the bay and in the opposite direction to discover it. In the remainder of this memoir, the expression "opposite direction" designates the direction of movement of the flap, for which the flap gradually discovers the bay. The slide serves to guide the shutter during its movements in the two opposite directions above. It can be substantially rectilinear and is arranged along the bay. The guiding of the flap is provided by at least one lateral bead of the flap, which is slidably mounted in the slideway. In cross section, the shape of the bead must be adapted to that of the slide, so that it is retained therein and can slide during the aforementioned displacements of the flap in front of the bay. Notwithstanding this general condition, the shape of the bead is not critical for the definition of the invention. The bead may for example have a circular or polygonal cross section, for example square, rectangular or hexagonal. The circular cross section is preferred. The bead can be an integral part of the shutter. Alternatively it can be attached to a flap edge and fixed thereto by any suitable means, for example by gluing, welding or riveting. The bead can be continuous or notched, and extend over the entire length of the side edge of the flap. Alternatively, the flap may comprise a row of several beads spaced along the side edge of the flap. In the continuation of this memory and in the absence of information to the contrary, the term "bead" denotes indistinctly a continuous lateral bead or serrated, or a lateral row of several beads. The slide generally comprises a profile whose cross section is adapted to that of the bead and which is pierced with a longitudinal slot for the passage of the flap. It may be made of any material adapted to its technical function, for example metal or (co) polymer obtained by chemical synthesis, for example high density polyethylene, optionally reinforced with a mineral material (for example glass fibers) . The position of the slide in the vicinity of the bay will depend on various parameters, including the orientation of the bay (horizontal orientation, oblique or vertical) and the direction of movement of the shutter to cover or discover the bay. In the case of a horizontal bay, the slide is usually horizontal. In the case of an oblique bay, the slide is usually oblique. In the case of a vertical rack, the slide can be vertical or horizontal depending on the direction chosen for the movement of the flap. The slide is vertical in the case where the shutter is moved vertically to open or close the bay. The slide is horizontal, in the case where the shutter is moved horizontally to open or close the bay. The position of the lateral bead on the flap is conditioned by the position of the slide with which the bead cooperates to guide the flap. The bead and the slide are furthermore designed and profiled so as to allow the bead to be torn off the slide, as soon as it is subjected to a defined tensile force (greater than a set value), directed in the plane of the flap and transversely to the slide. In this definition of the invention, the term "shutter plane" denotes a fictitious geometric plane, defined by the shutter when it covers the bay. The pulling of the bead of its slide under the action of the aforementioned force must be done without damaging the flap, the bead or the slide. The profile and the dimensions of the slide and the bead and their deformation capacities must therefore be adapted so that the tensile force required to tear the bead of the slide is less than a critical value likely to tear the shutter or deteriorate the slide or bead. The traction force must however be substantial and sufficient to prevent the bead unexpectedly coming out of the slide during normal operation of the shutter.
Des informations complémentaires au sujet du volet, de la glissière et du bourrelet sont accessibles dans les documents EP-A 0 272 733 et WO 03/048498 (tous les deux au nom de Dynaco international) .Additional information about the flap, slide and bead can be found in EP-A 0 272 733 and WO 03/048498 (both in the name of Dynaco International).
Le dispositif à volet selon l'invention est en outre muni d'un moyen conçu pour que, dans le cas où le bourrelet a été arraché de sa glissière, il y soit réintroduit automatiquement pendant que le volet subit un déplacement dans le sens pour découvrir la baie (« sens inverse » défini plus haut). Selon l'invention, ce moyen comprend au moins une paire de galets qui sont disposés de part et d'autre du volet, de telle sorte que, pendant un déplacement du volet dans le sens inverse susdit (pour lequel il dégage la baie) , ces galets roulent sur le bourrelet qui a été arraché de sa glissière et le repousse dans la glissière. Dans le dispositif à volet selon l'invention, la position des galets en regard de la glissière a une grande importance. Elle doit être choisie de telle sorte que pendant le déplacement du volet dans le sens inverse précité, les galets tournent sur le bourrelet (qui a été arraché de la glissière) et force celui-ci à traverser la fente longitudinale susdite de la glissière pour pénétrer dans celle-ci. Pour renforcer cette action des galets, on recommande, dans une forme de réalisation avantageuse de l'invention, que la surface des galets soit nervurée. On réalise de la sorte une meilleure adhérence du bourrelet sur les galets. Dans le dispositif selon l'invention, l'écart entre les deux galets doit être supérieur à l'épaisseur du volet (pour ne pas entraver ses déplacements devant la baie) et inférieur à l'épaisseur du bourrelet (de manière qu'ils prennent appui sur celui-ci). Un écart substantiel est normalement ménagé entre les galets et la glissière. Idéalement, cet écart doit être suffisamment petit pour que l'effort exercé par les galets sur le bourrelet soit suffisant pour réinsérer celui-ci dans la glissière. Il faut toutefois éviter un écart trop faible, pour éviter que les galets, le bourrelet et la glissière soient soumis à des efforts mécaniques exagérés. L'écart optimum doit dès lors être déterminé dans chaque cas particulier par l'homme du métier .The shutter device according to the invention is further provided with a means designed so that, in the case where the bead has been torn off its slide, it is reintroduced automatically while the flap undergoes a displacement in the direction to discover the bay ("opposite direction" defined above). According to the invention, this means comprises at least one pair of rollers which are arranged on either side of the shutter, so that that during a displacement of the flap in the opposite direction aforesaid (for which it clears the bay), these rollers roll on the bead that has been torn off its slide and pushes it back into the slide. In the shutter device according to the invention, the position of the rollers facing the slide is of great importance. It must be chosen so that during the movement of the flap in the opposite direction, the rollers turn on the bead (which has been torn from the slide) and force it to cross the aforementioned longitudinal slot of the slide to penetrate in this one. To enhance this action of the rollers, it is recommended in an advantageous embodiment of the invention that the surface of the rollers is ribbed. In this way, a better adhesion of the bead to the rollers is achieved. In the device according to the invention, the distance between the two rollers must be greater than the thickness of the flap (so as not to hinder its movement in front of the bay) and less than the thickness of the flange (so that they take support on this one). A substantial gap is normally provided between the rollers and the slide. Ideally, this gap must be small enough that the force exerted by the rollers on the bead is sufficient to reinsert it into the slide. However, avoid a gap too small, to prevent the rollers, the bead and the slide are subjected to excessive mechanical forces. The optimum distance must therefore be determined in each particular case by those skilled in the art.
Dans une forme de réalisation particulière du dispositif à volet selon l'invention, l'écart entre les galets est réglable. Cette forme de réalisation est adaptée à l'utilisation de volets d'épaisseurs différentes .In a particular embodiment of the shutter device according to the invention, the difference between the rollers is adjustable. This embodiment is adapted to the use of shutters of different thicknesses.
Dans une autre forme de réalisation particulière de l'invention, une ouverture est pratiquée dans la glissière en regard des galets. Dans cette forme de réalisation de l'invention, l'ouverture a pour fonction de réduire l'effort exercé sur le bourrelet pendant sa réinsertion dans la glissière. Dans cette forme de réalisation de l'invention, les galets peuvent être engagés partiellement dans l'ouverture de la glissière, de manière à rouler en permanence sur le bourrelet, même lorsque celui-ci est normalement en place dans sa glissière. On préfère toutefois maintenir un écart substantiel entre les galets et le bourrelet, pour les raisons exposées plus haut.In another particular embodiment of the invention, an opening is made in the slide opposite the rollers. In this embodiment of the invention, the function of the opening is to reduce the force exerted on the bead during its reinsertion in the slide. In this embodiment of the invention, the rollers may be partially engaged in the opening of the slide, so as to roll permanently on the bead, even when it is normally in place in its slide. However, it is preferred to maintain a substantial gap between the rollers and the bead, for the reasons explained above.
Dans le dispositif à volet selon l'invention, les galets peuvent avoir toute forme compatible avec leur fonction technique. Dans le dispositif à volet selon l'invention, les galets sont opposés l'un à l'autre par rapport au plan médian du volet (le plan médian du volet a été défini plus haut) . De préférence, les galets sont disposés symétriquement de part et d'autre du plan médian du volet.In the shutter device according to the invention, the rollers can have any shape compatible with their technical function. In the shutter device according to the invention, the rollers are opposed to each other with respect to the median plane of the shutter (the median plane of the shutter has been defined above). Preferably, the rollers are arranged symmetrically on either side of the median plane of the shutter.
Dans le dispositif à volet selon l'invention, les galets comprennent des axes de rotation qui sont opposés l'un à l'autre par rapport au plan médian du volet . Dans une forme de réalisation préférée de l'invention, les axes fixes de rotation des galets sont situés symétriquement de part et d' autre du plan médian du volet . Dans cette forme de réalisation de l'invention, les deux axes de rotation des deux galets sont de préférence situés sensiblement dans un même plan géométrique et celui-ci est de préférence sensiblement perpendiculaire au plan médian du volet.In the shutter device according to the invention, the rollers comprise axes of rotation which are opposed to each other with respect to the median plane of the shutter. In a preferred embodiment of the invention, the fixed axes of rotation of the rollers are located symmetrically on either side of the median plane of the shutter. In this embodiment of the invention, the two axes of rotation of the two rollers are preferably situated substantially in the same geometrical plane and this is preferably substantially perpendicular to the median plane of the shutter.
Dans une autre forme de réalisation préférée de l'invention, les deux galets convergent vers la glissière. Toutes autres choses étant égales par ailleurs, l'angle de convergence optimum des deux galets est le résultat d'un compromis entre la recherche d'une valeur maximum de l'effort exercé par les galets pour forcer le bourrelet à rentrer dans la glissière dont il a été arraché et la recherche d'une usure minimum des galets, du bourrelet et de la glissière. L'angle de convergence optimum doit dès lors être déterminé dans chaque cas particulier par l'homme du métier, en fonction des circonstances. Les galets sont avantageusement montés à rotation sur des roulements à billes ou d'autres roulements similaires .In another preferred embodiment of the invention, the two rollers converge towards the slideway. All other things being equal, the optimum angle of convergence of the two rollers is the result of a compromise between the search for a maximum value of the force exerted by the rollers to force the bead to enter the slide of which it was torn off and the search for a minimum wear of the rollers, the bead and the slide. The optimum convergence angle must therefore be determined in each particular case by those skilled in the art, depending on the circumstances. The rollers are advantageously rotatably mounted on ball bearings or other similar bearings.
Dans le dispositif à volet selon l'invention, les galets doivent être suffisamment résistant mécaniquement pour résister aux efforts mécaniques exercés sur eux par le volet. Nonobstant cette condition, les dimensions des galets et la matière dans laquelle ils sont faits ne sont pas critiques pour la définition de l'invention. Les galets peuvent par exemple être en métal (par exemple en acier) ou en un (co) polymère obtenu par synthèse chimique (par exemple en polyester, ou en polyamide ou en élastomère) .In the shutter device according to the invention, the rollers must be sufficiently strong mechanically to withstand the mechanical forces exerted on them by the shutter. Notwithstanding this condition, the dimensions of the rollers and the material in which they are made are not critical to the definition of the invention. The rollers may for example be metal (for example steel) or a (co) polymer obtained by chemical synthesis (for example polyester, or polyamide or elastomer).
Dans une forme de réalisation particulière de l'invention, les glissières sont pourvues d'un moyen de renforcement, dans leur zone jouxtant les galets. Dans cette forme de réalisation de l'invention, la zone jouxtant les galets est une zone qui est normalement située à proximité immédiate des galets, en aval de ceux-ci par rapport au déplacement du volet dans le sens inverse défini plus haut. Ce moyen de renforcement peut, avec avantage, comprendre un profilé en U, dans lequel la glissière est enchâssée. Le profilé en U peut être en métal (par exemple en acier) ou en unIn a particular embodiment of the invention, the slides are provided with a reinforcing means in their area adjacent to the rollers. In this embodiment of the invention, the area adjacent the rollers is an area which is normally located in the immediate vicinity of the rollers, downstream thereof relative to the movement of the shutter in the opposite direction defined above. This reinforcing means may advantageously comprise a U-shaped section in which the slide is embedded. The U-shaped section may be made of metal (for example steel) or a
(co) polymère à haute résistance mécanique tel qu'une polyamide, par exemple.high-strength (co) polymer such as a polyamide, for example.
Dans une variante d'exécution avantageuse de la forme de réalisation qui vient d'être décrite, les galets sont fixés à un châssis comprenant le profilé en U. Cette variante de l'invention permet de déplacer les galets à volonté le long de la glissière. Elle facilite en outre le remplacement des galets, par exemple en cas d'usure ou d'une détérioration de ceux-ci. A cet effet, dans cette variante de l'invention, il est avantageux que le châssis et la glissière soient fixés sur un support fixe, par exemple une ossature métallique disposée le long de la baie et scellée dans une structure adéquate, par exemple une maçonnerie. Dans une mode particulier de réalisation de cette variante de l'invention, le châssis comprend un canal axial et une partie au moins du profilé en U est constituée par ce canal axial. Dans ce mode de réalisation de l'invention, le châssis est avantageusement obtenu par moulage. Dans le dispositif selon l'invention, le volet peut comprendre une seule glissière et un seul bourrelet coopérant avec ladite glissière pour guider le volet. Dans une forme de réalisation particulière de l'invention, le volet comprend un deuxième bourrelet latéral qui est monté à coulissement dans une deuxième glissière dont il peut être extrait sous l'action d'une force de traction définie, dirigée transversalement à la glissière et une seconde paire de galets qui sont disposés respectivement de part et d'autre du volet de telle sorte que, pendant que l'on déplace le volet dans le sens inverse précité, les galets de ladite seconde paire roulent sur ledit second bourrelet qui a été extrait de ladite deuxième glissière, en le poussant dans cette glissière.In an advantageous embodiment variant of the embodiment which has just been described, the rollers are fixed to a frame comprising the U-shaped section. This variant of the invention makes it possible to move the rollers at will along the slideway. . It also facilitates the replacement of the rollers, for example in case of wear or deterioration of them. For this purpose, in this variant of the invention, it is advantageous that the frame and the slideway are fixed on a fixed support, for example a metal frame disposed along the bay and sealed in a suitable structure, for example a masonry. . In a particular embodiment of this variant of the invention, the frame comprises an axial channel and at least a portion of the U-shaped section is constituted by this axial channel. In this embodiment of the invention, the frame is advantageously obtained by molding. In the device according to the invention, the flap may comprise a single slide and a single bead cooperating with said slide to guide the flap. In a particular embodiment of the invention, the flap comprises a second bead side which is slidably mounted in a second slide from which it can be extracted under the action of a defined traction force, directed transversely to the slide and a second pair of rollers which are arranged respectively on either side of the shutter so that, while moving the flap in the opposite direction, the rollers of said second pair roll on said second bead which has been extracted from said second slide, pushing it into this slide.
Dans le dispositif à volet selon l'invention, l'utilisation de galets pour réintroduire automatiquement le ou chaque bourrelet du volet dans sa glissière présente l'avantage de réduire considérablement les sollicitations mécaniques exercées sur le volet et sur le ou chaque bourrelet. Par voie de conséquence, l'invention augmente de manière substantielle la durée de vie des volets. L' invention concerne également un élément pour la réintroduction d'un bourrelet latéral d'un volet dans une glissière de laquelle ledit bourrelet a été extrait, cet élément de réintroduction comprenant un châssis conçu pour être monté sur un support de la glissière, le châssis comprenant, d'une part, un canal axial profilé en U dans lequel la glissière peut être enchâssée et, d'autre part, au moins une paire de galets qui sont situés au-delà d'une extrémité du canal susdit et qui sont positionnés de telle sorte que, lorsque la glissière est enchâssée dans le canal du châssis, les galets roulent sur le bourrelet qui a été extrait de la gouttière et le force à y rentrer lorsque le volet est déplacé dans un sens défini. Dans l'élément de réintroduction selon l'invention, les vocables « volet », « glissière », « bourrelet », « organe de guidage » et « galet » ont été définis plus haut, ainsi que leurs fonctions respectives. Dans une forme de réalisation préférée de l'élément de réintroduction selon l'invention, les galets présentent des axes fixes de rotation et les deux axes de rotation des deux galets sont situés symétriquement de part et d'autre d'un plan médian du canal en U du châssis. Ces deux axes sont de préférence situés dans un même plan qui est sensiblement perpendiculaire audit plan médian du canal et ils sont avantageusement orientés obliquement de manière que les galets convergent vers le fond du canal . L'élément de réintroduction selon l'invention peut être adapté aisément à des dispositifs à volets conformes à l'invention. Il peut être adapté à des volets existants comprenant un bourrelet latéral qui coulisse dans une glissière de guidage. Lors du montage de l'élément de réintroduction selon l'invention sur un volet existant, le châssis de l'élément de réintroduction doit être orienté de telle sorte que les galets soient situés en aval du canal précité, par rapport au sens inverse défini plus haut. L'invention trouve de multiples applications, notamment pour l'obturation de grandes baies verticales donnant accès à des hangars ou des entrepôts, ou pour recouvrir des bassins remplis d'eau (tels que des bassins industriels de traitement de l'eau ou des piscines) ou encore pour recouvrir des ouvertures horizontales donnant accès à des silos ou autres enceintes de stockage de marchandises ou de produits industriels. Brève description des figuresIn the shutter device according to the invention, the use of rollers to automatically reintroduce the or each bead of the flap in its slide has the advantage of considerably reducing the mechanical stresses exerted on the flap and the or each bead. As a result, the invention substantially increases the life of the shutters. The invention also relates to an element for the reintroduction of a lateral bead of a flap in a slide from which said bead has been extracted, this reintroduction element comprising a frame designed to be mounted on a support of the slide, the frame comprising, on the one hand, a U-shaped axial channel into which the slide can be embedded and, on the other hand, at least one pair of rollers which are located beyond one end of said channel and which are positioned so that when the slide is embedded in the channel of the frame, the rollers roll on the bead that has been extracted from the channel and forces it to enter when the flap is moved in a defined direction. In the reintroduction element according to the invention, the terms "shutter", "slide", "bead", "guide member" and "roller" have been defined above, as well as their respective functions. In a preferred embodiment of the reintroduction element according to the invention, the rollers have fixed axes of rotation and the two axes of rotation of the two rollers are situated symmetrically on either side of a median plane of the channel. U-shaped chassis. These two axes are preferably located in the same plane which is substantially perpendicular to said median plane of the channel and they are advantageously oriented obliquely so that the rollers converge towards the bottom of the channel. The reintroduction element according to the invention can be easily adapted to shutter devices according to the invention. It can be adapted to existing flaps comprising a lateral bead which slides in a guide rail. When mounting the reintroduction element according to the invention on an existing flap, the frame of the reintroduction element must be oriented so that the rollers are located downstream of the aforementioned channel, relative to the opposite direction defined more high. The invention finds many applications, in particular for shutting large vertical bays giving access to sheds or warehouses, or for covering basins filled with water (such as industrial pools for water treatment or swimming pools ) or to cover horizontal openings giving access to silos or other storage enclosures for goods or industrial products. Brief description of the figures
Des particularités et détails de l'invention vont apparaître au cours de la description suivante des figures annexées, qui représentent une forme de réalisation particulière de l'invention.Features and details of the invention will become apparent from the following description of the accompanying figures, which show a particular embodiment of the invention.
La figure 1 est une vue schématique de face d'un dispositif à volet conforme à l'invention, en position de fermeture ;Figure 1 is a schematic front view of a shutter device according to the invention, in the closed position;
La figure 2 montre le dispositif à volet de la figure 1, en section transversale verticale selon le plan II-II de la figure 1 ;Figure 2 shows the shutter device of Figure 1, in vertical cross section along the plane II-II of Figure 1;
La figure 3 est une vue à grande échelle, d'un détail de la figure 1, montrant l'élément de réintroduction selon l'invention ; La figure 4 montre le volet des figures 1 à 3, en section transversale horizontale selon le plan IV-IV de la figure 2 ;Figure 3 is a large scale view of a detail of Figure 1, showing the reintroduction element according to the invention; FIG. 4 shows the shutter of FIGS. 1 to 3, in horizontal cross-section along plane IV-IV of FIG. 2;
La figure 5 est une vue similaire à celle de la figure 4, dans laquelle un bourrelet du volet a été arraché de sa glissière ;Figure 5 is a view similar to that of Figure 4, in which a bead of the flap has been torn from its slide;
La figure 6 montre en perspective l'élément de réintroduction équipant le dispositif des figures 1 à 3 ;Figure 6 shows in perspective the reintroduction element equipping the device of Figures 1 to 3;
La figure 7 est une vue de face de l'élément de réintroduction de la figure 6 ; La figure 8 est une vue en plan, de l'élément de réintroduction des figures 6 et 7 ;Figure 7 is a front view of the reintroduction element of Figure 6; Figure 8 is a plan view of the reintroduction element of Figures 6 and 7;
La figure 9 montre, à grande échelle, un détail de la figure 8 ;Figure 9 shows, on a large scale, a detail of Figure 8;
La figure 10 montre un autre détail de la figure 8, à grande échelle ;Figure 10 shows another detail of Figure 8, on a large scale;
La figure 11 montre, en section verticale axiale selon le plan XI-XI de la figure 7, l'élément de réintroduction des figures 6 à 10, associé à une glissière d'un volet ;FIG. 11 shows, in axial vertical section along the plane XI-XI of FIG. 7, the element of reintroduction of Figures 6 to 10, associated with a slide of a flap;
La figure 12 montre, à grande échelle, un détail de la figure 11 ; La figure 13 est une vue analogue celle de la figure 11, schématisant le fonctionnement de l'élément de réintroduction des figures 6 à 10 ;Figure 12 shows, on a large scale, a detail of Figure 11; Figure 13 is a view similar to that of Figure 11, schematizing the operation of the reintroduction element of Figures 6 to 10;
La figure 14 montre, à grande échelle, un détail de la figure 13 ; La figure 15 est une représentation en perspective de la partie inférieure de l'élément de réintroduction selon l'invention ; etFigure 14 shows, on a large scale, a detail of Figure 13; FIG. 15 is a perspective representation of the lower part of the reintroduction element according to the invention; and
La figure 16 montre une variante de l'élément de réintroduction selon l'invention. Les figures ne sont pas dessinées à l'échelle.Figure 16 shows a variant of the reintroduction element according to the invention. The figures are not drawn to scale.
Généralement, les mêmes numéros de référence désignent les mêmes éléments ou des éléments analogues.Generally, the same reference numbers denote the same or similar elements.
Description détaillée de modes de réalisation particuliersDetailed description of particular embodiments
Les figures 1 à 3 montrent une baie verticale 1, percée à travers une cloison verticale 2 d'un bâtiment, par exemple un entrepôt industriel ou commercial. Les dimensions de la baie 1 permettent le passage d'un camion (non représenté) .Figures 1 to 3 show a vertical rack 1, pierced through a vertical partition 2 of a building, for example an industrial or commercial warehouse. The dimensions of the bay 1 allow the passage of a truck (not shown).
La cloison 2 est équipée d'un dispositif à volet conforme à l'invention. Ce dispositif à volet comprend un volet 3, formé d'une bâche souple, par exemple en polychlorure de vinyle renforcé de fibres de verre. Le volet 3 est fixé, à sa partie supérieure, à un tambour horizontal 4 situé au-dessus de la baie 1. Le tambour 4 est couplé à un moteur électrique 5, dont l' actionnement permet de descendre le volet 3 pour recouvrir la baie 1 et fermer le bâtiment ou de le remonter pour découvrir la baie 1 et permettre le passage d'un camion.The partition 2 is equipped with a shutter device according to the invention. This shutter device comprises a shutter 3, formed of a flexible sheet, for example polyvinyl chloride reinforced with glass fibers. The shutter 3 is fixed, at its upper part, to a horizontal drum 4 situated above the bay 1. The drum 4 is coupled to an electric motor 5, the actuation of which enables the shutter 3 to be lowered to cover bay 1 and close the building or go up to discover bay 1 and allow the passage of a truck.
Une paire de glissières verticales 7 et 8 sont disposées respectivement le long des bords verticaux de la baie 1. Les glissières 7, 8 sont fixées à une ossature métallique 9 qui est scellée dans le sol 6. Les glissières 7, 8 servent à guider le volet 3 au cours de ses mouvements ascendants et descendants. A cet effet, le volet 3 est muni de deux bourrelets latéraux 10 et 11, qui sont engagés dans les glissières 7 et 8. A la figure 4, les bourrelets 10 et 11 présentent un profil circulaire et leur épaisseur est supérieure à celle du volet 3. Les glissières 7 et 8 sont des profilés de section circulaire, prolongés par deux ailes 12 et 13 qui délimitent entre-elles une fente longitudinale verticale 16. La largeur de la fente 16 est intermédiaire entre l'épaisseur de la bâche du volet 3 et l'épaisseur des bourrelets 10 et 11. De la sorte, les bourrelets 10 et 11 coulissent dans les glissières 7 et 8 pendant la descente ou la remontée du volet 3. Chacune des glissières 7 et 8 est enchâssée dans un châssis 14 qui sera explicité plus loin . Les glissières 7 et 8, particulièrement leurs ailes 12 et 13, sont conçues pour que les bourrelets 10 et 11 puissent se dégager des glissières en traversant la fente 16, dès que des forces de traction X et Y (figure 4) sont exercées sur les bourrelets, dans le plan du volet et transversalement aux glissières. Le cas peut par exemple se présenter lorsque, le volet étant baissé ou insuffisamment relevé, il est heurté violemment par un véhicule qui entre dans l'entrepôt ou qui en sort. On a intérêt à ce que la force de traction X, Y nécessaire pour arracher les bourrelets 10, 11 de leurs glissières respectives 7 et 8 soit la plus grande possible, pour éviter que les bourrelets 10 et 11 sortent inopinément de leurs glissières 7 et 8 pendant la manœuvre du volet 3. Cette force de traction doit toutefois rester inférieure à une valeur critique, de manière à éviter que la bâche du volet 3 se déchire. La figure 5 montre le volet 3 dont le bourrelet 10 a été arraché de sa glissière 7.A pair of vertical slides 7 and 8 are respectively disposed along the vertical edges of the bay 1. The slides 7, 8 are attached to a metal frame 9 which is sealed in the ground 6. The slides 7, 8 serve to guide the component 3 during its ascending and descending movements. For this purpose, the flap 3 is provided with two lateral beads 10 and 11, which are engaged in the slides 7 and 8. In FIG. 4, the beads 10 and 11 have a circular profile and their thickness is greater than that of the flap. 3. The slides 7 and 8 are profiles of circular section, extended by two wings 12 and 13 which delimit between them a vertical longitudinal slot 16. The width of the slot 16 is intermediate between the thickness of the tarp of the shutter 3 and the thickness of the beads 10 and 11. In this way, the beads 10 and 11 slide in the slides 7 and 8 during the lowering or raising of the flap 3. Each of the slides 7 and 8 is embedded in a frame 14 which will be explained further. The slides 7 and 8, particularly their wings 12 and 13, are designed so that the beads 10 and 11 can be released from the slideways through the slot 16, as soon as traction forces X and Y (Figure 4) are exerted on the bead, in the plane of the shutter and transversely to the slides. The case may for example occur when, the shutter is lowered or insufficiently raised, it is struck violently by a vehicle entering or exiting the warehouse. It is advantageous that the pulling force X, Y necessary to tear the beads 10, 11 of their respective slides 7 and 8 is as large as possible, to prevent the beads 10 and 11 from unexpectedly coming out of their slides 7 and 8 during the operation of the shutter 3. This pulling force must however remain below a critical value, so as to prevent the cover of the shutter 3 tears. FIG. 5 shows the shutter 3, the bead 10 of which has been torn from its slide 7.
Les glissières 7 et 8 sont par exemple en polyéthylène haute densité.The slides 7 and 8 are for example high density polyethylene.
Le dispositif à volet représenté aux figures est équipé d'un élément conforme à l'invention, pour la réintroduction du bourrelet 10 (ou du bourrelet 11) dans sa glissière 7 (ou 8), après qu'il en ait été arraché. Ce dispositif, mieux représenté aux figures 6 à 10 comprend un châssis 14 qui est fixé à l'ossature 9 (figures 1 et 3) , dans la partie supérieure de la glissière. Le châssis 14 est percé d'un canal axial rectiligne 15 dont le profil en U permet d'y enchâsser la glissière 7, 8. Le Châssis 14 est avantageusement un corps moulé en matière plastique à haute résistance, par exemple une polyamide. Aux figures 6 à 10, la glissière 7 est enchâssée dans le canal 15 du châssis 14. Le châssis 14 a pour fonction de renforcer la rigidité de la glissière 7 qui s'y trouve enchâssée. A cet effet, le châssis 14 présente deux ailes longitudinales 21 qui prennent appui respectivement sur les ailes 12 et 13 de la glissière 7. Le châssis 14 et ses ailes 21 doivent posséder une rigidité suffisante pour éviter une déformation de la glissière 7 dans le châssis 14, pendant la réintroduction du bourrelet dans la glissière de la manière qui sera exposée plus loin. Un écart suffisant doit être ménagé entre les deux ailes 21, pour permettre le passage du volet 3. Dans sa partie inférieure, le châssis 14 est équipé d'une paire de galets 17, montés sur des roulements à billes 18 calés sur des arbres fixes 19. Les arbres 19 sont orientés de telle sorte que les deux galets 17 soient situés symétriquement de part et d'autre du plan axial de la glissière 7 et à proximité immédiate de la fente 16 de la glissière 7. En outre, les galets 17 sont disposés prés de l'extrémité inférieure du châssis 14. Celui-ci est ainsi situé en aval des galets 17, par rapport au sens de la remontée du volet 3. La figure 9 montre en détail la position des galets 17 sur le châssis 14, en relation avec la glissière 7 qui s'y trouve enchâssée et avec un bourrelet 10 coulissant dans la glissière 7. Les deux galets 17 font face à la fente 16 de la glissière 7 et ils convergent vers la fente 16. L'écart entre les deux galets 17 est choisi de manière à maintenir entre chaque galet 17 et le volet 3 une distance A qui soit suffisante pour ne pas entraver le fonctionnement normal du volet, tout en empêchant que le bourrelet 10 du volet puisse passer entre les galets 17. Par ailleurs, les galets 17 sont positionnés de manière à maintenir un écart substantiel B entre eux et le bourrelet 10, lorsque celui-ci coulisse normalement dans sa glissière 7. La figure 10 montre une forme de réalisation avantageuse de l'invention, dans laquelle les galets 17 sont nervures à leur périphérie. Les nervures 22 des galets 17 servent à renforcer l'adhérence des galets sur le bourrelet pendant que celui est réintroduit dans sa glissière de la manière qui va être exposée plus loin .The shutter device shown in the figures is equipped with an element according to the invention for the reintroduction of the bead 10 (or the bead 11) in its slide 7 (or 8), after it has been torn off. This device, best shown in Figures 6 to 10 comprises a frame 14 which is fixed to the frame 9 (Figures 1 and 3) in the upper part of the slide. The frame 14 is pierced with a straight axial channel 15 whose U-shaped profile allows to embed the slide 7, 8. The frame 14 is preferably a molded body of high-strength plastic material, for example a polyamide. In Figures 6 to 10, the slide 7 is embedded in the channel 15 of the frame 14. The chassis 14 has the function of reinforcing the rigidity of the slide 7 which is embedded therein. For this purpose, the frame 14 has two longitudinal wings 21 which bear respectively on the wings 12 and 13 of the slide 7. The frame 14 and its wings 21 must have sufficient rigidity to prevent deformation of the slide 7 in the frame 14 during reintroduction of the bead in the slide in the manner to be explained later. A sufficient gap must be provided between the two wings 21, to allow the passage of the flap 3. In its lower part, the frame 14 is equipped with a pair of rollers 17, mounted on ball bearings 18 set on fixed shafts 19. The shafts 19 are oriented so that the two rollers 17 are located symmetrically on either side of the axial plane of the slideway 7 and in the immediate vicinity of the slot 16 of the slideway 7. In addition, the rollers 17 are located near the lower end of the frame 14. This is thus located downstream of the rollers 17, relative to the direction of the raising of the flap 3. Figure 9 shows in detail the position of the rollers 17 on the frame 14 , in relation with the slide 7 which is embedded therein and with a bead 10 sliding in the slide 7. The two rollers 17 face the slot 16 of the slide 7 and they converge towards the slot 16. The gap between the two rollers 17 is chosen from man to maintain between each roller 17 and the flap 3 a distance A which is sufficient not to impede the normal operation of the flap, while preventing the bead 10 of the flap can pass between the rollers 17. Moreover, the rollers 17 are positioned to maintain a substantial distance B between them and the bead 10, when it normally slides in its slide 7. Figure 10 shows an advantageous embodiment of the invention, wherein the rollers 17 are ribbed to their periphery. The ribs 22 of the rollers 17 serve to enhance the adhesion of the rollers on the bead while that is reintroduced into its slide in the way that will be exposed further.
Le fonctionnement du dispositif de réintroduction selon l'invention va maintenant être explicité, en référence notamment aux figures 11 à 14.The operation of the reintroduction device according to the invention will now be explained, with particular reference to FIGS. 11 to 14.
A la figure 11, on voit que le bourrelet 10 du volet 3 est normalement engagé dans sa glissière 7. Le bourrelet 10 coulisse dès lors normalement dans sa glissière 7, pour guider le volet pendant que celui-ci est soumis à des déplacements ascendants ou descendants dans le sens des flèches Z-Z' .In FIG. 11, it can be seen that the bead 10 of the flap 3 is normally engaged in its slideway 7. The bead 10 therefore slides normally in its slideway 7, to guide the flap while it is subjected to upward movements or descendants in the direction of arrows ZZ '.
Une ouverture 23 a été découpée dans la glissière 7 en face des galets 17. L'ouverture 23 a été découpée dans les ailes 12 et 13 de la glissière 7. La figure 12 montre un écart substantiel B entre les galets 17 et le bourrelet 10. Celui-ci n'est par conséquent pas sollicité par les galets 17, pendant un fonctionnement normal du volet3.An opening 23 has been cut in the slide 7 in front of the rollers 17. The opening 23 has been cut in the wings 12 and 13 of the slide 7. FIG. 12 shows a substantial distance B between the rollers 17 and the bead 10 This is therefore not solicited by rollers 17 during normal operation of shutter 3.
Aux figures 13 et 14, le bourrelet 10 du volet a été arraché de sa glissière 7. En soumettant le volet à un déplacement ascendant dans le sens de la flèche Z, le bourrelet 10 est tiré vers le haut dans le sens de la flèche Z et il roule sur les galets 17 qui, en tournant dans le sens de la flèche C, poussent le bourrelet 10 à travers l'ouverture 23 jusque dans la glissière 7. La figure 14 montre les efforts D exercés par les galets 17 sur le bourrelet 10.In FIGS. 13 and 14, the bead 10 of the shutter has been torn off its slide 7. By subjecting the shutter to an upward movement in the direction of the arrow Z, the bead 10 is pulled upwards in the direction of the arrow Z and it rolls on the rollers 17 which, turning in the direction of the arrow C, push the bead 10 through the opening 23 into the slide 7. Figure 14 shows the forces D exerted by the rollers 17 on the bead 10.
La figure 15 montre un bourrelet 27 du volet 3, ledit bourrelet 27 présentant une forme crantée de part et d'autre de du plan médian du volet 3. Avantageusement, le bourrelet cranté 27 est pourvu d'un épaulement continu 28 offrant aux galets 17 une zone de contact et d'appui continue. Pour des raisons de clarté du dessin, la glissière 7 n'est pas représentée.FIG. 15 shows a bead 27 of the flap 3, said bead 27 having a notched shape on either side of the median plane of the flap 3. Advantageously, the notched bead 27 is provided with a continuous shoulder 28 which provides the rollers 17 with a contact zone and continuous support. For the sake of clarity of the drawing, the slide 7 is not shown.
A la figure 16, on voit que l'élément de réintroduction selon l'invention est intégré dans un dispositif à volet comprenant de chaque côté une poulie de renvoi 24 crantée permettant de donner un changement de direction au volet 3, les poulies de renvoi 24 étant montées à rotation et solidarisées par exemple par un axe non représenté. Les poulies de renvoi 24 peuvent le cas échéant entraîner le volet 3. L'élément de réintroduction présente une partie curviligne 26 pourvue d'un galet de guidage 25 qui est destiné à maintenir le bourrelet cranté 27 en prise avec la poulie de renvoi 24 et à le maintenir, quelque soit le sens de coulissement, à l'intérieur du canal 15, ou de la glissière 7.In FIG. 16, it can be seen that the reintroduction element according to the invention is integrated into a flap device comprising on each side a toothed return pulley 24 making it possible to give a change of direction to the flap 3, the return pulleys 24 being rotatably mounted and secured for example by an axis not shown. The return pulleys 24 may optionally drive the flap 3. The reintroduction element has a curvilinear portion 26 provided with a guide roller 25 which is intended to hold the serrated bead 27 in engagement with the deflection pulley 24 and to maintain it, whatever the direction of sliding, inside the channel 15, or the slide 7.
Dans la description des figures, on a considéré que la baie 1 est verticale et que le volet est suspendu à un tambour 4 disposé au-dessus de la baie. Dans cette forme de réalisation, le volet est soumis à un déplacement ascendant pour découvrir la baie. L'invention s'applique toutefois également au cas où le tambour 4 est situé dans le bas de la baie 1. Dans cette forme de réalisation modifiée de l'invention, le tambour peut par exemple être logé dans un caniveau situé sous le niveau du sol. Dans cette forme de réalisation, le volet est soumis à un déplacement descendant pour découvrir la baie et à un déplacement ascendant pour la couvrir. Dans une autre forme de réalisation modifiée de l'invention, la glissière 7 est horizontale et disposée le long du bord horizontal supérieur de la baie 1, tandis que la glissière 8 est disposée le long du bord horizontal inférieur de la baie. Dans cette forme de réalisation de l'invention, les bourrelets 10 et 11 du volet 3 sont horizontaux et le tambour 4 est vertical et disposé le long d'un des bords verticaux de la baie 1. In the description of the figures, it was considered that the bay 1 is vertical and the flap is suspended from a drum 4 disposed above the bay. In this embodiment, the flap is subjected to an upward movement to discover the bay. However, the invention also applies to the case where the drum 4 is located in the bottom of the bay 1. In this modified embodiment of the invention, the drum may for example be housed in a gutter below the level of the ground. In this embodiment, the shutter is downwardly moved to discover the bay and upwardly to cover it. In another modified embodiment of the invention, the slide 7 is horizontal and disposed along the upper horizontal edge of the bay 1, while the slide 8 is disposed along the edge lower horizontal of the bay. In this embodiment of the invention, the beads 10 and 11 of the flap 3 are horizontal and the drum 4 is vertical and disposed along one of the vertical edges of the bay 1.

Claims

REVENDICATIONS
1. Dispositif à volet pour l'obturation d'une baie, comprenant au moins une glissière (7, 8) ; - un volet déformable (3), susceptible d'être déplacé en regard de la baie, dans un sens pour recouvrir ladite baie ou dans le sens inverse pour la découvrir, ledit volet comprenant au moins un bord latéral muni d'un bourrelet latéral (10, 11, 27) qui est monté à coulissement dans la glissière et dont il peut être extrait sous l'action d'une force de traction définie (X, Y), dirigée transversalement à la glissière ; un moyen pour réintroduire dans la glissière le bourrelet extrait de celle-ci, ce moyen comprenant un organe de guidage qui est disposé en regard de la glissière et qui est conçu pour que, pendant que l'on déplace le volet dans le sens inverse précité, il dévie vers la glissière, le bourrelet qui a été extrait de cette glissière ; caractérisé en ce que l'organe de guidage comprend au moins une paire de galets (17) qui sont disposés respectivement de part et d'autre du volet (3) de telle sorte que, pendant que l'on déplace le volet dans le sens inverse précité, ils roulent sur le bourrelet (10, 11, 27) qui a été extrait de la glissière, en le poussant dans la glissière.1. shutter device for closing a bay, comprising at least one slide (7, 8); a deformable flap (3) capable of being moved facing the bay in one direction to cover said bay or in the opposite direction to discover it, said flap comprising at least one lateral edge provided with a lateral bead ( 10, 11, 27) which is slidably mounted in the slideway and from which it can be extracted under the action of a defined pulling force (X, Y) directed transversely to the slideway; means for reintroducing into the slide the bead extracted from the latter, this means comprising a guiding member which is arranged opposite the slide and which is designed so that, while the shutter is moved in the opposite direction mentioned above, it deviates towards the slide, the bead which has been extracted from this slide; characterized in that the guide member comprises at least one pair of rollers (17) which are respectively disposed on either side of the flap (3) so that, while the flap is moved in the direction reverse aforementioned, they roll on the bead (10, 11, 27) which was extracted from the slide, pushing it into the slide.
2. Dispositif à volet pour l'obturation d'une baie, comprenant - au moins une glissière (7, 8) ; un volet déformable (3), susceptible d'être déplacé en regard de la baie, dans un sens pour recouvrir ladite baie ou dans le sens inverse pour la découvrir, ledit volet comprenant au moins un bord latéral comprenant un bourrelet latéral (10, 11, 27) qui est monté à coulissement dans la glissière et dont il peut être extrait sous l'action d'une force de traction définie (X, Y), dirigée transversalement à la glissière ; un moyen pour réintroduire dans la glissière le bourrelet extrait de celle-ci, caractérisé en ce que ce moyen comprend un organe de guidage qui comporte des galets disposés en regard de la glissière et qui est conçu pour que, pendant que l'on déplace le volet dans le sens inverse précité, les galets soient aptes à être entraînés en rotation par le bord latéral du volet en cours de réinsertion. 2. Shutter device for closing a bay, comprising - at least one slide (7, 8); a deformable flap (3), which can be moved facing the bay, in one direction to cover said bay or in the opposite direction for discovering it, said flap comprising at least one lateral edge comprising a lateral bead (10, 11, 27) which is slidably mounted in the slideway and from which it can be extracted under the action of a defined pulling force (X, Y), directed transversely to the slide; means for reintroducing into the slide the bead extracted from it, characterized in that said means comprises a guide member which comprises rollers arranged opposite the slide and which is designed so that, while the flap in the opposite direction above, the rollers are adapted to be rotated by the side edge of the flap being re-inserted.
3. Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé en ce que la au moins une glissière (7,8) est rectiligne.3. Device according to any one of claims 1 and 2, characterized in that the at least one slide (7,8) is rectilinear.
4. Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé en ce que la au moins une glissière (7,8) présente une partie rectiligne et une partie comprenant au moins une branche curviligne.4. Device according to any one of claims 1 and 2, characterized in that the at least one slide (7,8) has a rectilinear portion and a portion comprising at least one curvilinear branch.
5. Dispositif selon la revendication 4, caractérisé en ce qu' il présente en outre au moins un organe de renvoi5. Device according to claim 4, characterized in that it further has at least one return member
(24) éventuellement d'entraînement, monté à rotation en regard de la branche curviligne de la au moins une glissière (7,8) et apte à se mettre en prise avec le bourrelet latéral (10,11,27) du volet (3).(24) optionally drive, rotatably mounted facing the curvilinear branch of the at least one slide (7,8) and adapted to engage with the lateral bead (10,11,27) of the flap (3 ).
6. Dispositif selon la revendication 5, caractérisé en ce qu' il présente en plus au moins un galet de guidage (25) apte à maintenir le bourrelet (10,11,27) en prise avec l'au moins un organe de renvoi (24) éventuellement d' entraînement . 6. Device according to claim 5, characterized in that it has in addition at least one guide roller (25) adapted to maintain the bead (10,11,27) engaged with the at least one return member ( 24) possibly drive.
7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les galets (17) présentent des axes fixes de rotation, qui sont situés symétriquement de part et d'autre d'un plan médian du volet (3) et dans un même plan sensiblement perpendiculaire au plan médian du volet (3) .7. Device according to any one of the preceding claims, characterized in that the rollers (17) have fixed axes of rotation, which are located symmetrically on either side of a median plane of the flap (3) and in a plane substantially perpendicular to the median plane of the flap (3).
8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux galets (17) convergent vers la glissière (7) . 8. Device according to any one of the preceding claims, characterized in that the two rollers (17) converge towards the slide (7).
9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une ouverture (16) est pratiquée dans la glissière (7, 8), en regard des galets (17) .9. Device according to any one of the preceding claims, characterized in that an opening (16) is formed in the slide (7, 8), facing the rollers (17).
10. Dispositif selon la revendication 9, caractérisé en ce que les deux galets (17) sont partiellement engagés dans l'ouverture (16) précitée.10. Device according to claim 9, characterized in that the two rollers (17) are partially engaged in the opening (16) above.
11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les galets (17) sont nervures . 11. Device according to any one of the preceding claims, characterized in that the rollers (17) are ribbed.
12. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans sa zone jouxtant les galets (17), la glissière (7, 8) est enchâssée dans un canal axial (15) d'un châssis de renforcement (14) . 12. Device according to any one of the preceding claims, characterized in that, in its zone adjacent the rollers (17), the slide (7, 8) is embedded in an axial channel (15) of a reinforcing frame ( 14).
13. Dispositif selon la revendication 12, caractérisé en ce que les galets (17) sont fixés au châssis (14) . 13. Device according to claim 12, characterized in that the rollers (17) are fixed to the frame (14).
14. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le volet comprend un deuxième bourrelet latéral (11,27) qui est monté à coulissement dans une deuxième glissière (8), dont il peut être extrait sous l'action d'une force de traction définie (Y) , dirigée transversalement à la glissière et en ce qu'une seconde paire de galets (17) sont disposés respectivement de part et d'autre du volet (3) de telle sorte que, pendant que l'on déplace le volet dans le sens inverse précité, les galets de ladite seconde paire roulent sur ledit second bourrelet (11,27) qui a été extrait de ladite deuxième glissière, en le poussant dans cette glissière.14. Device according to any one of the preceding claims, characterized in that the flap comprises a second lateral bead (11,27) which is slidably mounted in a second slide (8), from which it can be extracted under the action a defined traction force (Y), directed transversely to the slideway and in that a second pair of rollers (17) are arranged respectively on both sides of the flap (3) so that, while the flap is moved in the opposite direction, the rollers of said second pair roll on said second bead (11,27) which has been extracted from said second slide, pushing it into this slide.
15. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la baie (1) est sensiblement verticale. 15. Device according to any one of the preceding claims, characterized in that the bay (1) is substantially vertical.
16. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le volet (3) comprend une bâche souple.16. Device according to any one of the preceding claims, characterized in that the flap (3) comprises a flexible sheet.
17. Elément pour la réintroduction d'un bourrelet latéral (10, 11, 27) d'un volet souple (3) dans une glissière (7, 8) de laquelle ledit bourrelet a été extrait, comprenant un châssis (14) conçu pour être monté sur un support (9) de la glissière (7, 8), le châssis comprenant, d'une part, un canal axial (15) profilé en U dans lequel la glissière peut être enchâssée et, d'autre part, au moins une paire de galets (17) qui sont situés au-delà d'une extrémité du canal susdit et qui sont positionnés de telle sorte que, lorsque la glissière est enchâssée dans le canal du châssis, les galets roulent sur le bourrelet qui a été extrait de la gouttière et le force à y rentrer lorsque le volet est déplacé dans un sens défini.17. Element for the reintroduction of a lateral bead (10, 11, 27) of a flexible flap (3) in a slide (7, 8) from which said bead has been extracted, comprising a frame (14) designed to mounted on a support (9) of the slide (7, 8), the chassis comprising, on the one hand, a U-shaped axial channel (15) in which the slide can be embedded and, on the other hand, minus a pair of rollers (17) which are located beyond one end of the aforesaid channel and which are positioned such that, when the slide is embedded in the chassis channel, the rollers roll on the bead which has been extracted from the gutter and forces it to enter when the flap is moved in a defined direction.
18. Elément selon la revendication 17, caractérisé en ce que les galets (17) présentent des axes fixes de rotation qui sont situés symétriquement de part et d'autre d'un plan médian du canal (15) du châssis (14) et dans un même plan sensiblement perpendiculaire audit plan médian du canal. 18. Element according to claim 17, characterized in that the rollers (17) have fixed axes of rotation which are located symmetrically on either side of a median plane of the channel (15) of the frame (14) and in a plane substantially perpendicular to said median plane of the channel.
19. Elément selon la revendication 18, caractérisé en ce que les deux axes sont orientés obliquement par rapport au plan médian susdit du canal (15) du châssis (14), de telle sorte que les galets (17) convergent vers le fond du canal (15) .19. Element according to claim 18, characterized in that the two axes are oriented obliquely with respect to the aforesaid median plane of the channel (15) of the frame (14), so that the rollers (17) converge towards the bottom of the channel (15).
20. Elément selon l'une quelconque des revendications 17 à 19, caractérisé en ce que le châssis (14) présente une partie curviligne (26).20. Element according to any one of claims 17 to 19, characterized in that the frame (14) has a curvilinear portion (26).
21. Elément selon la revendication 20, caractérisé en ce que la partie curviligne (26) du châssis (14) est pourvue à une de ses extrémités d'un galet de guidage (25) . 21. Element according to claim 20, characterized in that the curvilinear portion (26) of the frame (14) is provided at one of its ends with a guide roller (25).
EP08760991.3A 2007-06-13 2008-06-13 Device with a shutter and element for reinserting a shutter in a guide rail Active EP2165037B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08760991.3A EP2165037B1 (en) 2007-06-13 2008-06-13 Device with a shutter and element for reinserting a shutter in a guide rail
SI200831255T SI2165037T1 (en) 2007-06-13 2008-06-13 Device with a shutter and element for reinserting a shutter in a guide rail
PL08760991T PL2165037T3 (en) 2007-06-13 2008-06-13 Device with a shutter and element for reinserting a shutter in a guide rail

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07110219A EP2003284A1 (en) 2007-06-13 2007-06-13 Device with a shutter and element for reinserting a shutter in a guide rail
EP08760991.3A EP2165037B1 (en) 2007-06-13 2008-06-13 Device with a shutter and element for reinserting a shutter in a guide rail
PCT/EP2008/057461 WO2008155292A1 (en) 2007-06-13 2008-06-13 Device with shutter and element for the reinsertion of a shutter into a guide slide

Publications (2)

Publication Number Publication Date
EP2165037A1 true EP2165037A1 (en) 2010-03-24
EP2165037B1 EP2165037B1 (en) 2014-07-30

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP07110219A Withdrawn EP2003284A1 (en) 2007-06-13 2007-06-13 Device with a shutter and element for reinserting a shutter in a guide rail
EP08760991.3A Active EP2165037B1 (en) 2007-06-13 2008-06-13 Device with a shutter and element for reinserting a shutter in a guide rail

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07110219A Withdrawn EP2003284A1 (en) 2007-06-13 2007-06-13 Device with a shutter and element for reinserting a shutter in a guide rail

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US (1) US8109317B2 (en)
EP (2) EP2003284A1 (en)
JP (1) JP5608077B2 (en)
KR (1) KR101547364B1 (en)
CN (2) CN104695845A (en)
AU (1) AU2008265219B2 (en)
BE (1) BE1017205A6 (en)
BR (1) BRPI0813817B1 (en)
CA (1) CA2685155C (en)
DK (1) DK2165037T3 (en)
ES (1) ES2493636T3 (en)
HK (1) HK1141067A1 (en)
MX (1) MX2009013425A (en)
PL (1) PL2165037T3 (en)
PT (1) PT2165037E (en)
RU (1) RU2472911C2 (en)
SI (1) SI2165037T1 (en)
WO (1) WO2008155292A1 (en)

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Also Published As

Publication number Publication date
BRPI0813817A2 (en) 2014-12-30
MX2009013425A (en) 2010-03-30
DK2165037T3 (en) 2014-09-01
HK1141067A1 (en) 2010-10-29
RU2472911C2 (en) 2013-01-20
JP5608077B2 (en) 2014-10-15
ES2493636T3 (en) 2014-09-12
EP2003284A1 (en) 2008-12-17
KR20100033478A (en) 2010-03-30
PT2165037E (en) 2014-09-03
AU2008265219A1 (en) 2008-12-24
CN101730781A (en) 2010-06-09
CA2685155C (en) 2015-11-03
CN104695845A (en) 2015-06-10
PL2165037T3 (en) 2014-11-28
JP2010529337A (en) 2010-08-26
KR101547364B1 (en) 2015-08-25
BRPI0813817B1 (en) 2018-06-26
WO2008155292A1 (en) 2008-12-24
BRPI0813817A8 (en) 2017-02-21
US20100181033A1 (en) 2010-07-22
US8109317B2 (en) 2012-02-07
EP2165037B1 (en) 2014-07-30
AU2008265219B2 (en) 2013-10-17
SI2165037T1 (en) 2014-10-30
CA2685155A1 (en) 2008-12-24
RU2010100892A (en) 2011-07-20
BE1017205A6 (en) 2008-04-01

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