EP2310607B1 - Curtain-type closure device for an opening in a building - Google Patents

Curtain-type closure device for an opening in a building Download PDF

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Publication number
EP2310607B1
EP2310607B1 EP09772508.9A EP09772508A EP2310607B1 EP 2310607 B1 EP2310607 B1 EP 2310607B1 EP 09772508 A EP09772508 A EP 09772508A EP 2310607 B1 EP2310607 B1 EP 2310607B1
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EP
European Patent Office
Prior art keywords
wall
closure
rigid
pair
flexible
Prior art date
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Application number
EP09772508.9A
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German (de)
French (fr)
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EP2310607A1 (en
Inventor
Ignace Bellota
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FTFM la Toulousaine
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FTFM la Toulousaine
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Publication of EP2310607A1 publication Critical patent/EP2310607A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/48—Wings connected at their edges, e.g. foldable wings
    • E06B3/481—Wings foldable in a zig-zag manner or bi-fold wings
    • E06B3/483—Wings foldable in a zig-zag manner or bi-fold wings folding upwardly
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0692—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising flexible sheets as closing screen

Definitions

  • the present invention is in the field of materials used to ensure the closure of building bays and relates more particularly to a movable flexible curtain closing device.
  • Known flexible curtain closing devices are known from the state of the art from the bottom upwards and vice versa, the advantage of which, because of their lightness, is to allow rapid opening and closing movements (speed of movement included). between one meter per second and 3 meters per second).
  • a closure device comprising a flexible curtain stiffened by a succession of regularly spaced horizontal stiffeners, engaged by its two lateral edges in two vertical boxes of a frame structure bordering the lateral edges of the bay and the edge superior of the latter.
  • the curtain By its upper part, the curtain is engaged in a horizontal upper box carried by the two side boxes.
  • the stiffeners are laterally juxtaposed at the top in the upper horizontal box of the frame structure and the curtain forms a succession of folds under these stiffeners in the width of the vertical boxes.
  • the disadvantage of such a solution is that it requires a box width and therefore a footprint all the more important that the curtain comprises stiffeners which in practice limits their number or size.
  • This folding door structure comprises a door leaf divided into a series of horizontal panels constituted by rigid panels alternated with flexible fabric panels, each of the rigid panels being mounted at its ends in a pair of guide rails of its own.
  • the pairs of guide rails are juxtaposed according to the depth of the opening and their number depends on the number of flexible panel.
  • the thickness of the door structure and therefore the footprint of the latter depends on the number of rigid panel.
  • This door structure comprises an opening and closing means of maneuver consisting of a winching device formed of a toothed belt or an endless chain stretched between an upper pulley and a lower pulley, the upper pulley being coupled to a shaft drive engaged with the output shaft of a drive member.
  • the lower rigid panel is attached to the endless belt.
  • Patent is known US 3,313,338 a door structure whose apron is formed of a succession of rigid panels each mounted sliding in a pair of dedicated guide rail.
  • the pairs of guide rails are arranged in a juxtaposed manner and their number, equal to the number of panels significantly increases the footprint.
  • the lower panel cooperates with an opening and closing actuation mechanism comprising traction cables and each panel has a driving nosepiece which acts in thrust on a nose of the next upper panel in order to drive the latter upwards to the top. during the opening movement. In fully open position the panels are in a juxtaposed state above the opening.
  • the object of the present invention is to solve the aforementioned problems by proposing a closure device implementing another folding mode of the flexible curtain leading to reducing the footprint of the framing structure, this footprint remaining independent of the number stiffeners and panels used.
  • Another object of the present invention is the implementation of a curtain closure device that can be used even with low lintel fallout and following crawling roofs.
  • Another object of the present invention is to provide a curtain closure device for easy assembly and operation.
  • the closure device for building bay comprising a guide structure formed of vertical guide rails at least partially or substantially vertically at least in part, fixed against the bay of the building and an apron in the form of flexible curtain movable in the guide structure between an open position and a closed position of the bay and vice versa and this by the action of a motorized traction cable drive means, the lower part of the apron being formed by a rigid closing wall to which the traction cables are attached, the upper part of the apron being formed of at least one flexible closing wall and being fixed by its lower horizontal border to the closure wall and by its horizontal upper edge to the lintel of the bay, is characterized in that each guide rail has a substantially vertical vertical rail segment and an upper rail segment, occupying a horizontal or substantially horizontal spatial position by being inclined upwards or a position inclined with respect to the vertical, this segment being provided to receive the deck in the open position of the bay, in this position the deck being folded on itself.
  • the rigid closing wall of the deck comes to bear on the threshold of the bay and the flexible shutter wall of the deck occupies a state of extension possibly slightly tension between the rigid shutter wall and the lintel from the bay.
  • the rigid shutter wall is driven upwards by the drive means and the flexible sealing wall, during this movement, under the influence of its weight comes to fall back on itself laterally to the rigid shutter wall.
  • the movement of the rigid closing wall along the guide structure continues, the lower horizontal edge of the lower part of the deck is made to occupy a level greater or identical to the level occupied by its border higher. This upper part of the deck then occupies an upper position above the bay.
  • the establishment of the closure device according to the invention can be carried out even with a low lintel fallout.
  • the upper part of the deck is formed by a flexible wall in one piece, but, according to an alternative embodiment, the upper part of the deck is formed by at least two closure walls flexible and at least one rigid closing wall interposed between the two flexible closure walls.
  • the rigid closing wall comprises an upper pair of guide rollers and a lower pair of guide rollers both engaged in the same pair of guide rails.
  • the upper part of the deck is formed by at least two flexible closing walls and at least one rigid closure wall interposed between the two flexible closure walls.
  • the or each rigid closure wall comprises a pair of upper guide rollers cooperating in guiding with the same first pair of guide rails and a pair of lower guide rollers cooperating with a second pair of rails. guide adjacent to the preceding and disposed between the bay and the first pair of guide rails.
  • the apron comprises a rigid shutter wall forming its lower part, and at least one other rigid closing wall distant from the previous one in the closed position of the bay, each rigid wall having at least least one abutment means and the abutment means of each closure wall cooperating in abutment with the abutment means of the immediately higher wall and / or of the closing wall immediately below so that each immediately lower wall leads during its upward movement towards the open position, the immediately higher wall.
  • the stop means that each rigid wall has, is carried by the upper edge of said wall and forms a lateral projection relative to the latter, the upper pair of rollers is offset laterally with respect to the upper edge of said rigid wall and on the same side as the projection formed by the abutment means and the normal distance between the upper edge of said rigid wall and the axis of rotation of the rollers of the upper pair of rollers has been increasing since the rigid lower shutter wall to the rigid upper wall shutter.
  • Such an arrangement is intended to facilitate the juxtaposition of rigid shutter walls during the opening movement.
  • the or each flexible closure wall comprises at least one horizontal stiffener to give said wall a certain rigidity in the direction of the width of the opening that determines the bay.
  • the stiffener projects laterally from the corresponding flexible wall and engages at its ends in a pair of dedicated rails.
  • each flexible closure wall at least one elastic cable, attached to the upper and lower horizontal edges of said wall, said cable being supported on one of the faces of said wall and on the associated stiffener, and at least in the extended position of said flexible wall, said cable being in extension between the upper and lower edges of said wall.
  • This arrangement is favorable, during opening, to favor the formation of the folds of the flexible wall on one side or the other and not randomly on both sides of the vertical plane that this wall determines in the closed position.
  • the elastic cable is also fixed to the stiffener.
  • the stiffener during the opening movement of the bay, under the effect of the tensile force applied to it by the elastic cable, is pulled upward in its lateral guide rails.
  • This characteristic combined with a divergent arrangement of the guide rails of the stiffener and the rigid frame makes it possible to spread laterally the stiffener of the trajectory of the rigid frame and during opening or closing, thus avoiding the friction of the part. apron developing under the stiffener.
  • the or each rigid closing wall is formed by a rigid frame comprising at least one horizontal spar occupying an upper position and two vertical lateral cross members attached to the spar and extending downwards. from the latter, this rigid frame receiving a filling wall.
  • the rigid frame comprises a rigid lower spar fixed at its ends to its two vertical crosspieces; but according to another embodiment, the rigid frame does not include a lower spar, but instead, a horizontal elastic link, mounted in tension between the two vertical cross members of the frame.
  • the frame in order to ensure its rigidity, will include an intermediate horizontal beam, fixed to the two horizontal crosspieces, at a distance from their lower end.
  • a rigid frame arrangement with elastic link in the lower part has the advantage of eliminating or greatly reduce the risk of serious injury to a person in the path of the deck during its closing movement.
  • Another advantage is to reduce the risk of damage to the rigid frame under the effect of a shock on the latter due for example to a mobile moving through the opening of the bay.
  • the rigid frame may be formed of two parts articulated to each other along a horizontal axis. This arrangement is conducive to facilitate the evolution of the lower part of the deck along a curved portion of rail.
  • the closure device 1 for the building bay 2 comprises a guiding structure 3 fixed to the jambs of the bay and laterally to the opening 20 that determines the latter and an apron 4 under flexible curtain shape, movable in the guide structure 3 between an open position and a closed position of the rack, this guide structure comprising a pair of guide rails 30.
  • Each guide rail 30 has a vertical lower rail segment 30a or substantially vertical running at least over the entire height of the bay 2 and an upper rail segment 30b, occupying a horizontal or substantially horizontal spatial position by being inclined upwards to to follow the slope of the roof structure, or a position inclined relative to the vertical, this segment being provided to receive the deck 4 in the open position of the bay 2.
  • the segment 30b of each rail 30 is located in part or entirely above the opening of the bay.
  • the apron 4 is movable between the two aforementioned positions under the effect of the action of a drive means 5 motorized.
  • the drive means 5 may consist of a horizontal winding bar 50 mounted above the opening of the bay, in two end bearings 51, and possibly in one or more intermediate stages. At this winding bar is coupled an electric motor 52. On this bar are fixed at a distance from each other at least two winding drums of two drive cables 54 of the apron 4.
  • each drive cable 54 may be housed in the guide structure and will be fixed at its lower end to the deck 4 via a suitable element such as tab and the like.
  • This element can also be the body of a collision protection mechanism integral with the deck 4.
  • the drive cable may be constituted by a strap.
  • the electric motor 52 may be wired, wireless or infrared.
  • the lower part 40 of the apron 4 is formed by a rigid closure wall in one or more parts hinged to each other.
  • This lower wall preferably consists of a rigid frame 40a defining a rectangular contour, to which the traction cables 54 are fixed, this rigid frame receiving a filling wall 41.
  • the two cables of FIG. traction are attached to the lower part of the rigid wall 40 by the means previously described.
  • the rigid frame 40a constituting the rigid wall 40, is formed of at least one upper horizontal spar and two vertical side rails attached to the upper spar and extending downwardly therefrom.
  • the or each beam and each cross member may be made of steel or plastic.
  • the filling wall 41 is preferentially flexible and consists preferentially of an impermeable sheet with air and water. This filling wall is sealingly attached to the longitudinal members and cross members of the rigid frame 40a.
  • the upper part 45 of the apron is formed of at least one flexible wall in the form of a canvas or tarpaulin, preferably impervious to water and air, and is sealingly attached by its lower horizontal border to the rigid wall of shutter 40 and still in a sealed manner, by its upper horizontal border, to the lintel 21 of the bay 2.
  • the height of the flexible wall 45 is equal to or greater than the height of the rigid wall 40.
  • the rigid closure wall 40 In the closed position of the opening 20 of the bay 2, the rigid closure wall 40, by its lower edge, bears against the threshold of the opening and by its two beams, sleepers and filling wall 41 comes resting against the jambs of the bay outside the opening 20.
  • the upper part 45 of the deck 4 In this position the upper part 45 of the deck 4 is vertically deployed and is stretched between the lintel and the frame 40a of the wall 40 and under the effect of this tension bears against the jambs of the bay and this outside the opening 20.
  • the apron 4 In the fully open position of the bay, the apron 4 is folded on itself and is located above the opening 20 of the bay 2.
  • the rigid closure wall 40 comprises lateral guiding means in the form of rollers 42, 43 with horizontal axes of rotation cooperating in guiding with the guide structure 3.
  • rollers 42 and 43 are arranged in two pairs of rollers. namely an upper pair of rollers 42 and a lower pair of rollers 43.
  • FIGS 1 to 4 there is shown a closure device according to a first embodiment. These figures show a device whose upper part of the apron 4 is integrally formed of a flexible wall 45 in one piece. It can be observed in these figures that the height of the rigid frame is slightly less than the height of the flexible wall 45.
  • FIG 3 there is shown a device according to the first embodiment, during opening movement.
  • the lower part of the apron that is to say the rigid shutter wall 40
  • the flexible wall 45 folds on itself under the effect of its weight, laterally to the rigid closure wall 40, between the latter and the opening 20 of the bay 2.
  • FIG 4 is shown a device according to the first embodiment, in the total position of opening of the bay. In this position, the apron is folded on itself in the rail portions 30b 30. It can be seen that the rigid closure wall 40 is arranged for the most part in the upper segment 30b of each guide rail 30 and that the flexible wall 45 is maintained in tension between the lintel of the bay 20 and the corresponding spar of said rigid wall 40.
  • FIG. 5 to 8 there is shown a device according to a second embodiment.
  • the upper part 45 of the deck 4 is formed by at least two flexible rectangular closure walls 45a and at least one rectangular rigid closure wall 45b interposed between the two flexible walls 45a.
  • the rigid closure wall 45b consists of a rigid frame receiving a filling wall 45c. This rigid frame being identical to the frame 40a it will not be described in detail.
  • the rigid closure wall 45b has an upper pair of guide rollers 42 and a lower pair of guide rollers 43.
  • the upper pairs of guide rollers 42 of the rigid closure walls 40 and 45b are engaged in one and the same first pair of guide rails 30 and the lower pairs of guide rollers 43 of the rigid walls of FIG. shutter 40 and 45b are engaged in one and the same second pair of guide rails 31 adjacent to the preceding one and disposed between the bay 2 and the first pair of rails 30.
  • each rigid closure wall 40, 45b comprises at least one stop means 44 and the abutment means of each wall 40, 45b cooperates in abutment with the abutment means of the immediately higher rigid wall and / or the rigid wall immediately below so that each wall, immediately below, causes during its upward movement to the open position, the rigid wall immediately higher.
  • the stop means 44 that each rigid wall 40, 45b has, is carried by the upper spar of the rigid frame of this wall and forms lateral projection relative to the latter.
  • the upper pair of rollers is offset laterally relative to the upper spar of the rigid frame of the corresponding wall and on the same side as the projection formed by the stop means 44.
  • the normal distance between the upper beam of the frame and the axis of rotation of the rollers of the upper pair of rollers is increasing from the lower rigid wall 40 to the upper rigid wall 45b.
  • the or each flexible wall comprises at least one horizontal stiffener 46 fixed to said wall in any known manner, at a distance from its upper and lower edges.
  • the stiffener occupies a median position between these two edges.
  • This stiffener 46 known per se, consists of a straight section of appropriate cross section.
  • each stiffener 46 protrudes laterally from the corresponding flexible sealing wall and engages in a pair of dedicated rails 32, common to all the stiffeners, adjacent to the previous pair (s) of rails 30, 31.
  • the stiffener 46 comprises at each end a guide roller 47 provided to be engaged in the corresponding rail 32.
  • the rail 32 does not need to occupy the full height of the bay, since the stiffener 46, in the fully closed position, is located at a distance from the ground.
  • each rail 32 has a substantially vertical lower segment of rail 32a extended by an upper segment of horizontal or substantially horizontal rail 32b adjacent to the rail segment 30b of rail 30.
  • the flexible wall 45 or 45a is associated with at least one elastic cable 60, attached to the upper and lower horizontal edges of this wall.
  • This elastic cable 60 grows vertically while being supported on one of the faces of said wall and on the associated stiffener 46.
  • the Elastic cable 60 is an extension between the upper and lower borders of said flexible wall 45.
  • the same stiffener 46 and elastic cable 60 may be applied to the flexible wall 45a of the embodiment corresponding to the Figures 5 to 8 .
  • the elastic cable 60 is fixed to the stiffener 46 by any means known to those skilled in the art.
  • the stiffener 46 during the opening movement of the bay, under the effect of the tensile force applied to it by the elastic cable 60, is pulled upwards in its lateral guide rails 32.
  • This characteristic combined with a divergent spatial arrangement of the guide rail segments 30a, 32a, in their upper part makes it possible to spread laterally the stiffener 46 of the trajectory of the rigid wall 40 and thus to avoid any friction of the part of the deck developing under the stiffener 46.
  • Another advantage of these provisions lies in the fact that when the apron 4 is in the fully open position of the bay and is supported by a horizontal or substantially horizontal portion of rail pair 30, the or each elastic cable 60 is extended and exerts on the lower part of the apron 4 a force urging said apron towards its closed position.
  • the movement of the apron or the beginning of the movement of the apron in its rails to the closing position of the bay will be facilitated.
  • the interest of causing this movement of the deck is to avoid the risk of unwinding cables while the deck is stopped in its rails.
  • each flexible wall 45 or 45a are attached to each flexible wall 45 or 45a, two elastic cables 60 laterally spaced apart from each other.
  • FIG 11 another embodiment of the device according to the invention is shown. It can be observed in this figure that the rigid frame 40a of the rigid wall 40 does not comprise a rigid lower spar but instead, a horizontal elastic link 49, mounted in tension between the two vertical cross members of the frame. Thus, the lower part of the rigid wall 40 is formed by this elastic link 49, the flexible filling wall then being fixed also to this elastic link 49.
  • the frame 40a of such a wall 40 will comprise an intermediate horizontal spar, fixed to the two horizontal crosspieces, to distance from their lower end.
  • the advantage of such an arrangement is multiple, in particular it makes it possible to avoid seriously injuring a person who is under the path of the apron during closing and it reduces the risk of damage to the rigid wall 40 under the effect a shock on its lower part, for example a mobile such as forklift, moving through the opening of the bay.
  • each rigid wall 40 and 45b may be constituted by at least two parts articulated to each other along a horizontal axis by a hinge system.
  • each vertical cross member of the frame of this wall will be divided into two cross sections joined together by a hinge.
  • the two hinges that the frame has will be axially aligned.
  • guide rollers In the axis of the hinge will be arranged guide rollers which will be engaged in the rail pair 30.
  • An apron 4 has previously been described, the lower part of which is formed of a rigid wall formed of a frame with a filling wall, but in a variant the lower part may be constituted by a solid rectangular or perforated rectangular wall filling at the same time the rigid frame function and filling wall, the rigid frame function being provided by its peripheral edge of this wall.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Extensible Doors And Revolving Doors (AREA)

Description

Domaine techniqueTechnical area

La présente invention est du domaine des matériels utilisés pour assurer la fermeture des baies de bâtiments et se rapporte plus particulièrement à un dispositif de fermeture rapide à rideau souple mobile.The present invention is in the field of materials used to ensure the closure of building bays and relates more particularly to a movable flexible curtain closing device.

Etat de la technique antérieureState of the art

On connaît de l'état de la technique des dispositifs de fermeture à rideau souple mobile de bas en haut et inversement dont l'avantage, en raison de leur légèreté, est de permettre des mouvements d'ouverture et fermeture rapides (vitesse de déplacement comprise entre un mètre par seconde et 3 mètres par seconde).Known flexible curtain closing devices are known from the state of the art from the bottom upwards and vice versa, the advantage of which, because of their lightness, is to allow rapid opening and closing movements (speed of movement included). between one meter per second and 3 meters per second).

Plus particulièrement on connaît un dispositif de fermeture comportant un rideau souple rigidifié par une succession de raidisseurs horizontaux régulièrement espacés, engagé par ses deux bordures latérales dans deux caissons verticaux d'une structure d'encadrement bordant les bords latéraux de la baie ainsi que le bord supérieur de cette dernière. Par sa partie supérieure, le rideau est engagé dans un caisson supérieur horizontal porté par les deux caissons latéraux. En position repliée du rideau, les raidisseurs sont latéralement juxtaposés en partie supérieure dans le caisson supérieur horizontal de la structure d'encadrement et le rideau forme une succession de replis sous ces raidisseurs dans la largeur des caissons verticaux.
L'inconvénient d'une telle solution est qu'elle exige une largeur de caisson et donc une emprise au sol d'autant plus importante que le rideau comporte de raidisseurs ce qui limite en pratique leur nombre ou leur dimension.More particularly, there is known a closure device comprising a flexible curtain stiffened by a succession of regularly spaced horizontal stiffeners, engaged by its two lateral edges in two vertical boxes of a frame structure bordering the lateral edges of the bay and the edge superior of the latter. By its upper part, the curtain is engaged in a horizontal upper box carried by the two side boxes. In the folded position of the curtain, the stiffeners are laterally juxtaposed at the top in the upper horizontal box of the frame structure and the curtain forms a succession of folds under these stiffeners in the width of the vertical boxes.
The disadvantage of such a solution is that it requires a box width and therefore a footprint all the more important that the curtain comprises stiffeners which in practice limits their number or size.

Un autre inconvénient de ce genre de dispositif tient au fait que son montage et sa mise en place sont des opérations longues et fastidieuses et particulièrement coûteuses.Another disadvantage of this type of device is that its assembly and implementation are long and tedious operations and particularly expensive.

On connaît également de la demande de brevet WO 88/03217 une structure de porte mobile dans le sens vertical. Cette structure de porte pliante comprend un vantail de porte divisé en une série de panneaux horizontaux constituée par des panneaux rigides alternés avec des panneaux souples en toile, chacun des panneaux rigides étant monté parses extrémités dans une paire de rail de guidage qui lui est propre. Les paires de rail de guidage sont juxtaposées selon la profondeur de l'ouverture et leur nombre dépend du nombre de panneau souple. Ainsi l'épaisseur de la structure de porte et donc l'emprise au sol de cette dernière dépend du nombre de panneau rigide.Also known from the patent application WO 88/03217 a movable door structure in the vertical direction. This folding door structure comprises a door leaf divided into a series of horizontal panels constituted by rigid panels alternated with flexible fabric panels, each of the rigid panels being mounted at its ends in a pair of guide rails of its own. The pairs of guide rails are juxtaposed according to the depth of the opening and their number depends on the number of flexible panel. Thus the thickness of the door structure and therefore the footprint of the latter depends on the number of rigid panel.

Cette structure de porte comporte un moyen de manoeuvre en ouverture et fermeture constitué par un dispositif de treuillage formé d'une courroie crantée ou d'une chaîne sans fin tendue entre une poulie supérieure et une poulie inférieure, la poulie supérieure étant accouplée à un arbre d'entraînement en prise avec l'arbre de sortie d'un organe moteur. Le panneau rigide inférieur est fixé à la courroie sans fin. L'inconvénient d'une telle disposition réside dans le risque de détérioration des panneaux souples en toile et notamment du panneau souple inférieur. En effet ce dernier lors de la manoeuvre en ouverture de la porte encaisse le poids des panneaux supérieurs.This door structure comprises an opening and closing means of maneuver consisting of a winching device formed of a toothed belt or an endless chain stretched between an upper pulley and a lower pulley, the upper pulley being coupled to a shaft drive engaged with the output shaft of a drive member. The lower rigid panel is attached to the endless belt. The disadvantage of such an arrangement lies in the risk of deterioration of the flexible panels in fabric and in particular the lower flexible panel. Indeed, the latter during the opening operation of the door cash the weight of the upper panels.

Enfin il y a lieu de noter qu'une telle structure de porte requiert une retombée de linteau égale au moins à la hauteur de chaque panneau ce qui limite son champ d'application, la retombée de linteau étant la distance normale entre le plafond et la face inférieure du linteau.Finally, it should be noted that such a door structure requires a drop of lintel equal to at least the height of each panel which limits its scope of application, the lintel fallout being the normal distance between the ceiling and the door. lower face of the lintel.

On connaît du brevet US 3 313 338 une structure de porte dont le tablier est formé d'une succession de panneaux rigides montés chacun coulissant dans une paire de rail de guidage dédiée. Les paires de rail de guidage sont disposées de manière juxtaposée et leur nombre, égal au nombre de panneau augmente de manière conséquente l'emprise au sol. Le panneau inférieur coopère avec un mécanisme d'actionnement en ouverture et fermeture comportant des câbles de traction et chaque panneau présente un bec d'entraînement assujetti à agir en poussée sur un bec du panneau immédiatement supérieur afin d'entraîner ce dernier vers le haut au cours du mouvement d'ouverture. En position de totale ouverture les panneaux se présentent dans un état juxtaposé au dessus de l'ouverture.Patent is known US 3,313,338 a door structure whose apron is formed of a succession of rigid panels each mounted sliding in a pair of dedicated guide rail. The pairs of guide rails are arranged in a juxtaposed manner and their number, equal to the number of panels significantly increases the footprint. The lower panel cooperates with an opening and closing actuation mechanism comprising traction cables and each panel has a driving nosepiece which acts in thrust on a nose of the next upper panel in order to drive the latter upwards to the top. during the opening movement. In fully open position the panels are in a juxtaposed state above the opening.

Exposé de l'inventionPresentation of the invention

Dans ce qui précède le terme « rigide » défini un élément ou un ensemble qui ne se déforme pas de manière significative sous l'effet de son poids et /ou des charges qui lui sont appliquées et qui conserve substantiellement sa géométrie et ce quelle que soit la position spatiale qu'il occupe et la direction et l'intensité des forces auquel il est soumis étant entendu que ces forces demeurent dans les limites imposées par un fonctionnement normal.In what precedes the term "rigid" defines an element or a set which does not deform significantly under the effect of its weight and / or loads applied to it and which retains substantially its geometry and whatever the spatial position it occupies and the direction and intensity of the forces to which it is subjected, it being understood that these forces remain within the limits imposed by normal operation.

La présente invention a pour objet de résoudre les problèmes sus évoqués en proposant un dispositif de fermeture mettant en oeuvre un autre mode de repliement du rideau souple conduisant à diminuer l'emprise au sol de la structure d'encadrement, cette emprise demeurant indépendante du nombre de raidisseurs et de panneaux utilisés.The object of the present invention is to solve the aforementioned problems by proposing a closure device implementing another folding mode of the flexible curtain leading to reducing the footprint of the framing structure, this footprint remaining independent of the number stiffeners and panels used.

Un autre but de la présente invention est la mise en oeuvre d'un dispositif de fermeture à rideau pouvant être utilisé même avec des retombées de linteau faible et suivant les rampants des toitures.Another object of the present invention is the implementation of a curtain closure device that can be used even with low lintel fallout and following crawling roofs.

Un autre but de la présente invention est de proposer un dispositif de fermeture à rideau d'un montage et d'une mise en oeuvre facilités.Another object of the present invention is to provide a curtain closure device for easy assembly and operation.

À cet effet le dispositif de fermeture selon l'invention, pour baie de bâtiment comportant une structure de guidage formée de rails de guidage verticaux au moins en partie ou substantiellement verticaux au moins en partie, fixée contre la baie du bâtiment et un tablier sous forme de rideau souple, mobile dans la structure de guidage entre une position de d'ouverture et une position de fermeture de la baie et inversement et ce par l'action d'un moyen d'entraînement motorisé à câbles de traction, la partie inférieure du tablier étant formée par une paroi d'obturation rigide à laquelle sont fixés les câbles de traction,
la partie su érieure du tablier étant formée d'au moins une paroi d'obturation souple et étant fixée par sa bordure inférieure horizontale à la paroi d'obturation et par sa bordure supérieure horizontale au linteau de la baie, se caratérise en ce que chaque rail de guidage présente un segment de rail vertical sensiblement vertical et un segment supérieur de rail, occupant une position spatiale horizontale ou sensiblement horizontale en étant incliné vers le haut ou une position inclinée par rapport à la verticale, ce segment étant prévu pour recevoir le tablier en position d'ouverture de la baie, dans cette position le tablier étant replié sur lui même.For this purpose the closure device according to the invention, for building bay comprising a guide structure formed of vertical guide rails at least partially or substantially vertically at least in part, fixed against the bay of the building and an apron in the form of flexible curtain movable in the guide structure between an open position and a closed position of the bay and vice versa and this by the action of a motorized traction cable drive means, the lower part of the apron being formed by a rigid closing wall to which the traction cables are attached,
the upper part of the apron being formed of at least one flexible closing wall and being fixed by its lower horizontal border to the closure wall and by its horizontal upper edge to the lintel of the bay, is characterized in that each guide rail has a substantially vertical vertical rail segment and an upper rail segment, occupying a horizontal or substantially horizontal spatial position by being inclined upwards or a position inclined with respect to the vertical, this segment being provided to receive the deck in the open position of the bay, in this position the deck being folded on itself.

En position de fermeture, la paroi d'obturation rigide du tablier vient porter sur le seuil de la baie et la paroi d'obturation souple du tablier occupe un état d'extension éventuellement en légère tension entre la paroi d'obturation rigide et le linteau de la baie. Pour l'ouverture de la baie, la paroi d'obturation rigide est entraînée vers le haut par le moyen d'entraînement et la paroi d'obturation souple, lors de ce mouvement, sous l'effet notamment de son poids vient se replier sur elle-même latéralement à la paroi d'obturation rigide. Le mouvement de la paroi d'obturation rigide le long de la structure de guidage se poursuivant, la bordure inférieure horizontale de la partie inférieure du tablier est amenée à occuper un niveau supérieur ou identique au niveau occupé par sa bordure supérieure. Cette partie supérieure du tablier occupe alors une position supérieure au-dessus de la baie.In the closed position, the rigid closing wall of the deck comes to bear on the threshold of the bay and the flexible shutter wall of the deck occupies a state of extension possibly slightly tension between the rigid shutter wall and the lintel from the bay. For the opening of the bay, the rigid shutter wall is driven upwards by the drive means and the flexible sealing wall, during this movement, under the influence of its weight comes to fall back on itself laterally to the rigid shutter wall. The movement of the rigid closing wall along the guide structure continues, the lower horizontal edge of the lower part of the deck is made to occupy a level greater or identical to the level occupied by its border higher. This upper part of the deck then occupies an upper position above the bay.

En raison de ces dispositions, la mise en place du dispositif de fermeture selon l'invention peut être effectuée même avec une retombée de linteau faible.Because of these arrangements, the establishment of the closure device according to the invention can be carried out even with a low lintel fallout.

Selon une autre caractéristique de l'invention, la partie supérieure du tablier est formée par une paroi souple d'un seul tenant, mais, selon une variante d'exécution, la partie supérieure du tablier est formée par au moins deux parois d'obturation souples et par au moins une paroi rigide d'obturation interposée entre les deux parois souples d'obturation.According to another characteristic of the invention, the upper part of the deck is formed by a flexible wall in one piece, but, according to an alternative embodiment, the upper part of the deck is formed by at least two closure walls flexible and at least one rigid closing wall interposed between the two flexible closure walls.

Selon une autre caractéristique de l'invention, la paroi rigide d'obturation comporte une paire supérieure de galets de guidage et une paire inférieure de galets de guidage engagées toutes deux dans une même paire de rails de guidage.According to another characteristic of the invention, the rigid closing wall comprises an upper pair of guide rollers and a lower pair of guide rollers both engaged in the same pair of guide rails.

Selon une variante de réalisation du dispositif selon l'invention, la partie supérieure du tablier est formée par au moins deux parois souples d'obturation et par au moins une paroi rigide d'obturation interposée entre les deux parois souples d'obturation.According to an alternative embodiment of the device according to the invention, the upper part of the deck is formed by at least two flexible closing walls and at least one rigid closure wall interposed between the two flexible closure walls.

Avec une telle forme de réalisation, la ou chaque paroi rigide d'obturation comporte une paire de galets de guidage supérieur coopérant en guidage avec une même première paire de rails de guidage et une paire de galets de guidage inférieur coopérant avec une seconde paire de rails de guidage attenante à la précédente et disposée entre la baie et la première paire de rails de guidage.With such an embodiment, the or each rigid closure wall comprises a pair of upper guide rollers cooperating in guiding with the same first pair of guide rails and a pair of lower guide rollers cooperating with a second pair of rails. guide adjacent to the preceding and disposed between the bay and the first pair of guide rails.

Selon une autre caractéristique de l'invention, le tablier comporte une paroi rigide d'obturation formant sa partie inférieure, et au moins une autre paroi rigide d'obturation distante de la précédente en position de fermeture de la baie, chaque paroi rigide comportant au moins un moyen de butée et le moyen de butée de chaque paroi d'obturation coopérant en butée avec le moyen de butée de la paroi immédiatement supérieure et/ou de la paroi d'obturation immédiatement inférieure afin que chaque paroi, immédiatement inférieure entraîne lors de son mouvement ascendant vers la position d'ouverture, la paroi immédiatement supérieure.According to another characteristic of the invention, the apron comprises a rigid shutter wall forming its lower part, and at least one other rigid closing wall distant from the previous one in the closed position of the bay, each rigid wall having at least least one abutment means and the abutment means of each closure wall cooperating in abutment with the abutment means of the immediately higher wall and / or of the closing wall immediately below so that each immediately lower wall leads during its upward movement towards the open position, the immediately higher wall.

Selon une autre caractéristique de l'invention, le moyen de butée que présente chaque paroi rigide, est porté par la bordure supérieure de ladite paroi et forme une saillie latérale par rapport à cette dernière, la paire supérieure de galets est déportée latéralement par rapport à la bordure supérieure de ladite paroi rigide et ce du même côté que la saillie que forme le moyen de butée et la distance normale entre la bordure supérieure de ladite paroi rigide et l'axe de rotation des galets de la paire supérieure de galets est croissante depuis la paroi rigide d'obturation inférieure vers la paroi supérieure rigide d'obturation.According to another characteristic of the invention, the stop means that each rigid wall has, is carried by the upper edge of said wall and forms a lateral projection relative to the latter, the upper pair of rollers is offset laterally with respect to the upper edge of said rigid wall and on the same side as the projection formed by the abutment means and the normal distance between the upper edge of said rigid wall and the axis of rotation of the rollers of the upper pair of rollers has been increasing since the rigid lower shutter wall to the rigid upper wall shutter.

Une telle disposition a pour but de faciliter la juxtaposition des parois d'obturation rigides lors du mouvement d'ouverture.Such an arrangement is intended to facilitate the juxtaposition of rigid shutter walls during the opening movement.

Selon une autre caractéristique de l'invention, la ou chaque paroi souple d'obturation comprend au moins un raidisseur horizontal pour conférer à la dite paroi une certaine rigidité dans le sens de la largeur de l'ouverture que détermine la baie. Une telle disposition s'applique notamment à des dispositifs d'obturation de baies de grande largeur.According to another characteristic of the invention, the or each flexible closure wall comprises at least one horizontal stiffener to give said wall a certain rigidity in the direction of the width of the opening that determines the bay. Such an arrangement applies in particular to devices for closing large bays.

Selon une autre caractéristique de l'invention, le raidisseur déborde latéralement de la paroi souple correspondante et s'engage par ses extrémités dans une paire de rails dédiée.According to another characteristic of the invention, the stiffener projects laterally from the corresponding flexible wall and engages at its ends in a pair of dedicated rails.

Selon une autre disposition de l'invention, est associé à chaque paroi souple d'obturation, au moins un câble élastique, fixé aux bordures supérieure et inférieure horizontale de ladite paroi, ledit câble étant en appui sur l'une des faces de ladite paroi et sur le raidisseur associé, et au moins en position d'extension de ladite paroi souple ledit câble étant en extension entre les bordures supérieure et inférieure de ladite paroi.According to another embodiment of the invention, is associated with each flexible closure wall, at least one elastic cable, attached to the upper and lower horizontal edges of said wall, said cable being supported on one of the faces of said wall and on the associated stiffener, and at least in the extended position of said flexible wall, said cable being in extension between the upper and lower edges of said wall.

Cette disposition est propice, lors de l'ouverture, à privilégier la formation des plis de la paroi souple d'un côté ou de l'autre et non aléatoirement des deux côtés du plan vertical que cette paroi détermine en position de fermeture.This arrangement is favorable, during opening, to favor the formation of the folds of the flexible wall on one side or the other and not randomly on both sides of the vertical plane that this wall determines in the closed position.

Par ailleurs cette disposition, en position de fermeture de la baie, assure le maintien du raidisseur appliqué contre la structure de guidage.Furthermore this arrangement, in the closed position of the bay, ensures the maintenance of the stiffener applied against the guide structure.

Selon une autre disposition de l'invention, le câble élastique est également fixé au raidisseur.According to another embodiment of the invention, the elastic cable is also fixed to the stiffener.

En raison de cette caractéristique, le raidisseur, lors du mouvement d'ouverture de la baie, sous l'effet de l'effort de traction que lui applique le câble élastique, se trouve tracté vers le haut dans ses rails de guidage latéraux. Cette caractéristique combinée avec une disposition divergente des rails de guidage du raidisseur et du cadre rigide permet d'écarter latéralement le raidisseur de la trajectoire du cadre rigide et lors de l'ouverture ou de la fermeture, d'éviter ainsi le frottement de la partie du tablier se développant sous le raidisseur.Due to this characteristic, the stiffener, during the opening movement of the bay, under the effect of the tensile force applied to it by the elastic cable, is pulled upward in its lateral guide rails. This characteristic combined with a divergent arrangement of the guide rails of the stiffener and the rigid frame makes it possible to spread laterally the stiffener of the trajectory of the rigid frame and during opening or closing, thus avoiding the friction of the part. apron developing under the stiffener.

Selon une autre caractéristique du dispositif selon l'invention, la ou chaque paroi rigide d'obturation est formée par un cadre rigide comprenant au moins un longeron horizontal occupant une position supérieure et deux traverses latérales verticales fixées au longeron et s'étendant vers le bas à partir de ce dernier, ce cadre rigide recevant une paroi de remplissage.According to another characteristic of the device according to the invention, the or each rigid closing wall is formed by a rigid frame comprising at least one horizontal spar occupying an upper position and two vertical lateral cross members attached to the spar and extending downwards. from the latter, this rigid frame receiving a filling wall.

Selon une autre caractéristique de l'invention, le cadre rigide comprend un longeron inférieur rigide fixé par ses extrémités à ses deux traverses verticales; mais selon une autre forme de réalisation, le cadre rigide ne comprend pas de longeron inférieur, mais en remplacement, un lien élastique horizontal, monté en tension entre les deux traverses verticales du cadre.According to another characteristic of the invention, the rigid frame comprises a rigid lower spar fixed at its ends to its two vertical crosspieces; but according to another embodiment, the rigid frame does not include a lower spar, but instead, a horizontal elastic link, mounted in tension between the two vertical cross members of the frame.

Pour une telle forme de réalisation, dans le but d'assurer sa rigidité, le cadre, comportera un longeron horizontal intermédiaire, fixé aux deux traverses horizontales, à distance de leur extrémité inférieure.For such an embodiment, in order to ensure its rigidity, the frame, will include an intermediate horizontal beam, fixed to the two horizontal crosspieces, at a distance from their lower end.

Une disposition de cadre rigide avec lien élastique en partie inférieure présente l'intérêt d'écarter ou de fortement réduire les risques de blessures graves d'une personne se trouvant sur la trajectoire du tablier lors de son mouvement de fermeture.A rigid frame arrangement with elastic link in the lower part has the advantage of eliminating or greatly reduce the risk of serious injury to a person in the path of the deck during its closing movement.

Un autre intérêt est de réduire les risques d'endommagement du cadre rigide sous l'effet d'un choc sur ce dernier du fait par exemple d'un mobile évoluant au travers de l'ouverture de la baie.Another advantage is to reduce the risk of damage to the rigid frame under the effect of a shock on the latter due for example to a mobile moving through the opening of the bay.

Enfin selon une autre caractéristique de l'invention, le cadre rigide pourra être formé de deux parties articulées l'une à l'autre selon un axe horizontal. Cette disposition est propice à faciliter l'évolution de la partie inférieure du tablier le long d'une partie courbe de rail.Finally according to another characteristic of the invention, the rigid frame may be formed of two parts articulated to each other along a horizontal axis. This arrangement is conducive to facilitate the evolution of the lower part of the deck along a curved portion of rail.

Description sommaire des figures et des dessins.Brief description of figures and drawings.

D'autres avantages buts et caractéristiques de l'invention apparaîtront à la lecture de la description d'une forme préférée de réalisation donnée à titre d'exemple non limitatif en se référant aux dessins annexés en lesquels :

  • la figure 1 est une vue de face, de manière schématique, d'une baie équipée d'un dispositif, en position de fermeture selon une première forme d'exécution,
  • la figure 1a est une vue de détail de la paroi rigide constituant la partie inférieure du tablier du dispositif selon l'invention,
  • la figure 2 est une vue de profil, de manière schématique, d'une baie équipée du dispositif selon la première forme d'exécution, en position de fermeture,
  • la figure 3 est une vue de profil, de manière schématique du dispositif selon la première forme d'exécution, en cours d'ouverture,
  • la figure 4 est une vue de profil, de manière schématique du dispositif selon la première forme d'exécution, en position d'ouverture totale,
  • la figure 5 est une vue de face, de manière schématique, d'une baie équipée d'un dispositif, en position de fermeture selon une seconde forme d'exécution,
  • la figure 6 est une vue de profil, de manière schématique, d'une baie équipée du dispositif selon la deuxième forme d'exécution, en position de fermeture,
  • la figure 7 est une vue de profil, de manière schématique du dispositif selon la deuxième forme d'exécution, en cours d'ouverture,
  • la figure 8 est une vue de profil, de manière schématique du dispositif selon la deuxième forme d'exécution, en position d'ouverture totale.
  • la figure 9 est une vue de face d'une autre forme de réalisation du dispositif selon l'invention,
  • la figure 10 est une vue de profil du dispositif selon la figure 9,
  • la figure 11 est une vue de face d'une autre forme de réalisation du dispositif selon l'invention,
  • la figure 12 est une vue en coupe transversale de la structure de guidage et du tablier.
Other advantages and features of the invention will appear on reading the description of a preferred embodiment given by way of non-limiting example with reference to the accompanying drawings, in which:
  • the figure 1 is a front view, schematically, of a bay equipped with a device, in the closed position according to a first embodiment,
  • the figure 1a is a detail view of the rigid wall constituting the lower part of the apron of the device according to the invention,
  • the figure 2 is a profile view, schematically, of a bay equipped with the device according to the first embodiment, in the closed position,
  • the figure 3 is a profile view, schematically of the device according to the first embodiment, being opened,
  • the figure 4 is a profile view, schematically of the device according to the first embodiment, in the fully open position,
  • the figure 5 is a front view, schematically, of a bay equipped with a device, in the closed position according to a second embodiment,
  • the figure 6 is a profile view, schematically, of a bay equipped with the device according to the second embodiment, in the closed position,
  • the figure 7 is a profile view, schematically of the device according to the second embodiment, being opened,
  • the figure 8 is a profile view, schematically of the device according to the second embodiment, in the fully open position.
  • the figure 9 is a front view of another embodiment of the device according to the invention,
  • the figure 10 is a profile view of the device according to the figure 9 ,
  • the figure 11 is a front view of another embodiment of the device according to the invention,
  • the figure 12 is a cross-sectional view of the guide structure and the deck.

Meilleure manière de réaliser l'inventionBest way to realize the invention

Tel que représenté, le dispositif 1, de fermeture pour baie 2 de bâtiment comporte une structure de guidage 3 fixée aux jambages de la baie et ce latéralement à l'ouverture 20 que détermine cette dernière et un tablier 4 sous forme de rideau souple, mobile dans la structure de guidage 3 entre une position d'ouverture et une position de fermeture de la baie, cette structure de guidage comportant une paire de rails de guidage 30.
Chaque rail de guidage 30 présente un segment de rail inférieur vertical 30a ou sensiblement vertical courant au moins sur toute la hauteur de la baie 2 et un segment supérieur de rail 30b, occupant une position spatiale horizontale ou sensiblement horizontale en étant incliné vers le haut afin de suivre la pente de la structure de toit, ou une position inclinée par rapport à la verticale, ce segment étant prévu pour recevoir le tablier 4 en position d'ouverture de la baie 2. Le segment 30b de chaque rail 30 se situe en partie ou en totalité au-dessus de l'ouverture de la baie.As shown, the closure device 1 for the building bay 2 comprises a guiding structure 3 fixed to the jambs of the bay and laterally to the opening 20 that determines the latter and an apron 4 under flexible curtain shape, movable in the guide structure 3 between an open position and a closed position of the rack, this guide structure comprising a pair of guide rails 30.
Each guide rail 30 has a vertical lower rail segment 30a or substantially vertical running at least over the entire height of the bay 2 and an upper rail segment 30b, occupying a horizontal or substantially horizontal spatial position by being inclined upwards to to follow the slope of the roof structure, or a position inclined relative to the vertical, this segment being provided to receive the deck 4 in the open position of the bay 2. The segment 30b of each rail 30 is located in part or entirely above the opening of the bay.

Le tablier 4 est mobile entre les deux positions précitées sous l'effet de l'action d'un moyen d'entraînement 5 motorisé.The apron 4 is movable between the two aforementioned positions under the effect of the action of a drive means 5 motorized.

Le moyen d'entraînement 5, sans que cela soit limitatif, pourra être constitué d'une barre d'enroulement 50, horizontale, montée au-dessus de l'ouverture de la baie, dans deux paliers d'extrémité 51, et éventuellement dans un ou plusieurs paliers intermédiaires. À cette barre d'enroulement est accouplé un moteur électrique 52. Sur cette barre sont fixés à distance l'un de l'autre au moins deux tambours d'enroulement de deux câbles d'entraînement 54 du tablier 4.The drive means 5, without being limiting, may consist of a horizontal winding bar 50 mounted above the opening of the bay, in two end bearings 51, and possibly in one or more intermediate stages. At this winding bar is coupled an electric motor 52. On this bar are fixed at a distance from each other at least two winding drums of two drive cables 54 of the apron 4.

Comme on peut le voir en figure 12, chaque câble d'entraînement 54 pourra être logé dans la structure de guidage et sera fixé par son extrémité inférieure au tablier 4 par l'intermédiaire d'un élément approprié tel que patte et autre. Cet élément peut être aussi le corps d'un mécanisme pare-chute solidaire du tablier 4.As we can see in figure 12 each drive cable 54 may be housed in the guide structure and will be fixed at its lower end to the deck 4 via a suitable element such as tab and the like. This element can also be the body of a collision protection mechanism integral with the deck 4.

En variante, le câble d'entraînement pourra être constitué par une sangle. Le moteur électrique 52 pourra être à commande filaire, hertzienne ou infrarouge.Alternatively, the drive cable may be constituted by a strap. The electric motor 52 may be wired, wireless or infrared.

Conformément à l'invention, la partie inférieure 40 du tablier 4 est formée par une paroi rigide d'obturation en une ou plusieurs parties articulées les unes aux autres. Cette paroi inférieure est constituée de préférence d'un cadre rigide 40a définissant un contour rectangulaire, auquel sont fixés les câbles de traction 54, ce cadre rigide recevant une paroi de remplissage 41. Les deux câbles de traction sont fixés à la partie inférieure de la paroi rigide 40 par les moyens précédemment décrits.According to the invention, the lower part 40 of the apron 4 is formed by a rigid closure wall in one or more parts hinged to each other. This lower wall preferably consists of a rigid frame 40a defining a rectangular contour, to which the traction cables 54 are fixed, this rigid frame receiving a filling wall 41. The two cables of FIG. traction are attached to the lower part of the rigid wall 40 by the means previously described.

Le cadre rigide 40a, constitutif de la paroi rigide 40, est formé d'au moins un longeron horizontal supérieur et par deux traverses latérales verticales fixées au longeron supérieur et s'étendant vers le bas à partir de ce dernier. Le ou chaque longeron ainsi que chaque traverse pourront être constitués en acier ou bien en matière synthétique. La paroi de remplissage 41 est préférentielle souple et est constituée préférentiellement, par une bâche imperméable à l'air et à l'eau. Cette paroi de remplissage est fixée de manière étanche aux longerons et traverses du cadre rigide 40a.The rigid frame 40a, constituting the rigid wall 40, is formed of at least one upper horizontal spar and two vertical side rails attached to the upper spar and extending downwardly therefrom. The or each beam and each cross member may be made of steel or plastic. The filling wall 41 is preferentially flexible and consists preferentially of an impermeable sheet with air and water. This filling wall is sealingly attached to the longitudinal members and cross members of the rigid frame 40a.

La partie supérieure 45 du tablier est formée d'au moins une paroi souple sous forme de toile ou bâche, préférentiellement imperméable à l'eau et à l'air et est fixée de manière étanche par sa bordure inférieure horizontale à la paroi rigide d'obturation 40 et toujours de manière étanche, par sa bordure supérieure horizontale, au linteau 21 de la baie 2. Avantageusement la hauteur de la paroi souple 45 est égale ou supérieure à la hauteur de la paroi rigide 40.The upper part 45 of the apron is formed of at least one flexible wall in the form of a canvas or tarpaulin, preferably impervious to water and air, and is sealingly attached by its lower horizontal border to the rigid wall of shutter 40 and still in a sealed manner, by its upper horizontal border, to the lintel 21 of the bay 2. Advantageously the height of the flexible wall 45 is equal to or greater than the height of the rigid wall 40.

En position d'obturation de l'ouverture 20 de la baie 2, la paroi rigide d'obturation 40, par sa bordure inférieure, vient porter contre le seuil de l'ouverture et par ses deux longerons, traverses et paroi de remplissage 41 vient en appui contre les jambages de la baie extérieurement à l'ouverture 20. Dans cette position la partie supérieure 45 du tablier 4 est verticalement déployée et est tendue entre le linteau et le cadre 40a de la paroi 40 et sous l'effet de cette tension vient en appui contre les jambages de la baie et ce extérieurement à l'ouverture 20. En position d'ouverture totale de la baie, le tablier 4 est replié sur lui-même et se situe au-dessus de l'ouverture 20 de la baie 2.In the closed position of the opening 20 of the bay 2, the rigid closure wall 40, by its lower edge, bears against the threshold of the opening and by its two beams, sleepers and filling wall 41 comes resting against the jambs of the bay outside the opening 20. In this position the upper part 45 of the deck 4 is vertically deployed and is stretched between the lintel and the frame 40a of the wall 40 and under the effect of this tension bears against the jambs of the bay and this outside the opening 20. In the fully open position of the bay, the apron 4 is folded on itself and is located above the opening 20 of the bay 2.

La paroi rigide d'obturation 40 comporte des moyens de guidage latéraux sous forme de galets 42, 43 à axes de rotation horizontaux, coopérant en guidage avec la structure de guidage 3. Préférentiellement les galets 42 et 43 sont agencés en deux paires de galets à savoir une paire supérieure de galets 42 et une paire inférieure de galets 43.The rigid closure wall 40 comprises lateral guiding means in the form of rollers 42, 43 with horizontal axes of rotation cooperating in guiding with the guide structure 3. Preferably the rollers 42 and 43 are arranged in two pairs of rollers. namely an upper pair of rollers 42 and a lower pair of rollers 43.

En figures 1 à 4 est représenté un dispositif de fermeture selon une première forme de réalisation. On observe sur ces figures un dispositif dont la partie supérieure du tablier 4 est intégralement formée d'une paroi souple 45 d'un seul tenant. On observe sur ces figures que la hauteur du cadre rigide est légèrement inférieure à la hauteur de la paroi souple 45.In Figures 1 to 4 there is shown a closure device according to a first embodiment. These figures show a device whose upper part of the apron 4 is integrally formed of a flexible wall 45 in one piece. It can be observed in these figures that the height of the rigid frame is slightly less than the height of the flexible wall 45.

En figure 3 est représenté un dispositif selon la première forme de réalisation, en cours de mouvement d'ouverture. Lors de ce mouvement, la partie inférieure du tablier, c'est-à-dire la paroi rigide d'obturation 40, se déplace dans la paire de rails 30 de guidage selon un mouvement ascendant généré par la traction exercée par les câbles 54 sous l'effet de leur enroulement sur les tambours 53 de la barre d'enroulement 50 actionnée en rotation à cette fin, par l'organe moteur 52. Sur cette figure, on remarque que la paroi souple 45 se replie sur elle-même sous l'effet de son poids, latéralement à la paroi rigide d'obturation 40, entre cette dernière et l'ouverture 20 de la baie 2.In figure 3 there is shown a device according to the first embodiment, during opening movement. During this movement, the lower part of the apron, that is to say the rigid shutter wall 40, moves in the pair of guide rails 30 in an upward movement generated by the traction exerted by the cables 54 under the effect of their winding on the drums 53 of the winding bar 50 actuated in rotation for this purpose, by the motor member 52. In this figure, it is noted that the flexible wall 45 folds on itself under the effect of its weight, laterally to the rigid closure wall 40, between the latter and the opening 20 of the bay 2.

En figure 4 est représenté un dispositif selon la première forme de réalisation, en position totale d'ouverture de la baie. Dans cette position, le tablier est replié sur lui même dans les parties 30b de rails 30. on observe que la paroi rigide d'obturation 40 est disposée en majeure partie dans le segment supérieur 30b de chaque rail de guidage 30 et que la paroi souple 45 est maintenue en tension entre le linteau de la baie 20 et le longeron correspondant de ladite paroi rigide 40.In figure 4 is shown a device according to the first embodiment, in the total position of opening of the bay. In this position, the apron is folded on itself in the rail portions 30b 30. It can be seen that the rigid closure wall 40 is arranged for the most part in the upper segment 30b of each guide rail 30 and that the flexible wall 45 is maintained in tension between the lintel of the bay 20 and the corresponding spar of said rigid wall 40.

En figures 5 à 8 est représenté un dispositif selon une seconde forme de réalisation. La partie supérieure 45 du tablier 4 est formée par au moins deux parois souples d'obturation 45a de forme rectangulaire et par au moins une paroi rigide d'obturation 45b, rectangulaire, interposée entre les deux parois souples 45a. La paroi rigide d'obturation 45b est constituée d'un cadre rigide recevant une paroi de remplissage 45c. Ce cadre rigide étant identique au cadre 40a il ne sera pas décrit en détail. Tout comme la paroi rigide d'obturation 40, la paroi rigide d'obturation 45b présente une paire supérieure de galets de guidage 42 et une paire inférieure de galets de guidage 43.In Figures 5 to 8 there is shown a device according to a second embodiment. The upper part 45 of the deck 4 is formed by at least two flexible rectangular closure walls 45a and at least one rectangular rigid closure wall 45b interposed between the two flexible walls 45a. The rigid closure wall 45b consists of a rigid frame receiving a filling wall 45c. This rigid frame being identical to the frame 40a it will not be described in detail. Like the rigid closure wall 40, the rigid closure wall 45b has an upper pair of guide rollers 42 and a lower pair of guide rollers 43.

Dans cette forme de réalisation, les paires supérieures de galets 42 de guidage des parois rigides d'obturation 40 et 45b sont engagées dans une même et unique première paire de rails de guidage 30 et les paires inférieures de galets de guidage 43 des parois rigides d'obturation 40 et 45b sont engagées dans une même et unique deuxième paire de rails de guidage 31 attenante à la précédente et disposée entre la baie 2 et la première paire de rails 30.In this embodiment, the upper pairs of guide rollers 42 of the rigid closure walls 40 and 45b are engaged in one and the same first pair of guide rails 30 and the lower pairs of guide rollers 43 of the rigid walls of FIG. shutter 40 and 45b are engaged in one and the same second pair of guide rails 31 adjacent to the preceding one and disposed between the bay 2 and the first pair of rails 30.

Par ailleurs, chaque paroi rigide d'obturation 40, 45b comporte au moins un moyen de butée 44 et le moyen de butée de chaque paroi 40, 45b coopère en butée avec le moyen de butée de la paroi rigide immédiatement supérieure et/ou de la paroi rigide immédiatement inférieure afin que chaque paroi, immédiatement inférieure, entraîne lors de son mouvement ascendant vers la position d'ouverture, la paroi rigide immédiatement supérieure.Furthermore, each rigid closure wall 40, 45b comprises at least one stop means 44 and the abutment means of each wall 40, 45b cooperates in abutment with the abutment means of the immediately higher rigid wall and / or the rigid wall immediately below so that each wall, immediately below, causes during its upward movement to the open position, the rigid wall immediately higher.

Selon la forme préférée de réalisation, le moyen de butée 44 que présente chaque paroi rigide 40, 45b, est porté par le longeron supérieur du cadre rigide de cette paroi et forme saillie latérale par rapport à ce dernier. Toujours selon cette forme de réalisation, la paire supérieure de galets est déportée latéralement par rapport au longeron supérieur du cadre rigide de la paroi correspondante et ce du même côté que la saillie que forme le moyen de butée 44. Enfin toujours selon cette forme de réalisation la distance normale entre le longeron supérieur du cadre et l'axe de rotation des galets de la paire supérieure de galets est croissante depuis la paroi rigide inférieure 40 vers la paroi rigide supérieure 45b.According to the preferred embodiment, the stop means 44 that each rigid wall 40, 45b has, is carried by the upper spar of the rigid frame of this wall and forms lateral projection relative to the latter. Still according to this embodiment, the upper pair of rollers is offset laterally relative to the upper spar of the rigid frame of the corresponding wall and on the same side as the projection formed by the stop means 44. Finally still according to this embodiment the normal distance between the upper beam of the frame and the axis of rotation of the rollers of the upper pair of rollers is increasing from the lower rigid wall 40 to the upper rigid wall 45b.

Ces dispositions, comme on peut le voir en figuré 7, font que lors de l'entraînement paroi rigide d'obturation 40 vers la position d'ouverture, le moyen de butée 44 de cette dernière vient coopérer avec le moyen de butée 44 de la paroi rigide 45b immédiatement supérieure en se positionnant latéralement par rapport à cette dernière et l'entraîner dans sa course ascendante. Cette paroi rigide 45b au cours de sa course ascendante pourra elle aussi par son moyen de butée 44 coopérer en butée avec la paroi rigide 45b immédiatement supérieure pour l'entraîner vers sa position d'ouverture en se positionnant toujours latéralement par rapport à cette dernière. Ainsi, en position de complète ouverture, comme on peut le voir en figure 8, les différentes parois 40, 45b sont positionnées de manière juxtaposée latéralement les unes par rapport aux autres au-dessus de l'ouverture de la baie, le tablier 4 occupant alors un état rétracté sur lui-même. Lors du mouvement de fermeture, les parois souples, se replient sur elles-mêmes de la même façon que décrit précédemment.These arrangements, as can be seen in FIG. 7, make it possible, when driving rigid closure wall 40 towards the open position, for the abutment means 44 of the latter to cooperate with the abutment means 44 of the rigid wall 45b immediately superior by positioning laterally with respect to the latter and drive it in its upward stroke. This rigid wall 45b during its upward stroke may also by its abutment means 44 cooperating in abutment with the rigid wall 45b immediately higher to drive it to its open position by always positioning laterally with respect thereto. Thus, in full opening position, as can be seen in figure 8 , the various walls 40, 45b are positioned laterally juxtaposed relative to each other above the opening of the bay, the deck 4 then occupying a retracted state on itself. During the closing movement, the flexible walls fold back on themselves in the same way as described above.

On conçoit qu'avec la disposition précédemment évoquée on peut utiliser autant de paroi rigide 45b que nécessaire sans pour autant augmenter le nombre de paire de rails de guidage 30, 31, ce nombre demeurant toujours égal à deux.It is conceivable that with the aforementioned arrangement can be used as much rigid wall 45b as necessary without increasing the number of pair of guide rails 30, 31, this number always remaining equal together.

Il est parfois nécessaire de raidir la paroi souple 45, 45a. À cet effet, la ou chaque paroi souple comprend au moins un raidisseur horizontal 46 fixé à ladite paroi de toute manière connue, à distance de ses bordures supérieure et inférieure. Préférentiellement, le raidisseur occupe une position médiane entre ces deux bordures. Ce raidisseur 46, connu en soi, est constitué par un profilé rectiligne de section droite appropriée.It is sometimes necessary to stiffen the flexible wall 45, 45a. For this purpose, the or each flexible wall comprises at least one horizontal stiffener 46 fixed to said wall in any known manner, at a distance from its upper and lower edges. Preferably, the stiffener occupies a median position between these two edges. This stiffener 46, known per se, consists of a straight section of appropriate cross section.

Selon cette forme de réalisation, la ou chaque raidisseur 46 déborde latéralement de la paroi souple d'obturation correspondante et s'engage dans une paire de rails 32 dédiée, commune à tous les raidisseurs, attenante à la ou aux précédentes paires de rails 30, 31. Une telle disposition est visible en figure 9. On peut voir sur cette figure que le raidisseur 46 comporte à chaque extrémité un galet de guidage 47 prévu pour être engagé dans le rail 32 correspondant. Il y a lieu de noter que le rail 32 n'a nul besoin d'occuper toute la hauteur de la baie, puisque le raidisseur 46, en position de fermeture totale, est situé à distance du sol. On observe sur cette figure que chaque rail 32 présente un segment inférieur de rail 32a, sensiblement vertical prolongé par un segment supérieur de rail 32b horizontal ou sensiblement horizontal attenant au segment de rail 30b du rail 30.According to this embodiment, the or each stiffener 46 protrudes laterally from the corresponding flexible sealing wall and engages in a pair of dedicated rails 32, common to all the stiffeners, adjacent to the previous pair (s) of rails 30, 31. Such a provision is visible in figure 9 . It can be seen in this figure that the stiffener 46 comprises at each end a guide roller 47 provided to be engaged in the corresponding rail 32. It should be noted that the rail 32 does not need to occupy the full height of the bay, since the stiffener 46, in the fully closed position, is located at a distance from the ground. It can be observed in this figure that each rail 32 has a substantially vertical lower segment of rail 32a extended by an upper segment of horizontal or substantially horizontal rail 32b adjacent to the rail segment 30b of rail 30.

On observe également en figure 9 qu'à la paroi souple 45 ou 45a, est associé au moins un câble élastique 60, fixé aux bordures supérieure et inférieure horizontale de cette paroi. Ce câble élastique 60 se développe verticalement en étant en appui sur l'une des faces de ladite paroi et sur le raidisseur associé 46. Au moins en position d'extension de la paroi souple 45, position correspondant à la fermeture de la baie, le câble élastique 60 est extension entre les bordures supérieure et inférieure de ladite paroi souple 45.We also observe figure 9 that the flexible wall 45 or 45a, is associated with at least one elastic cable 60, attached to the upper and lower horizontal edges of this wall. This elastic cable 60 grows vertically while being supported on one of the faces of said wall and on the associated stiffener 46. At least in the extended position of the flexible wall 45, position corresponding to the closing of the bay, the Elastic cable 60 is an extension between the upper and lower borders of said flexible wall 45.

Une même disposition de raidisseur 46 et de câble élastique 60 peut être appliqué à la paroi souple 45a de la forme de réalisation correspondant aux figures 5 à 8.The same stiffener 46 and elastic cable 60 may be applied to the flexible wall 45a of the embodiment corresponding to the Figures 5 to 8 .

Cette disposition lors de l'ouverture force la formation des plis de la ou de chaque paroi souple 45, 45a d'un côté ou de l'autre et non aléatoirement des deux côtés du plan vertical que cette paroi détermine en position de fermeture. Avantageusement, les plis seront formés du côté externe au bâtiment, le câble élastique 60 étant alors en appui contre la face interne au bâtiment de la ou de chaque paroi souple 45, 45a.This provision during opening forces the formation of the folds of the or each flexible wall 45, 45a on one side or the other and not randomly on both sides of the vertical plane that this wall determines in the closed position. Advantageously, the folds will be formed on the external side of the building, the cable elastic 60 then being in abutment against the inner face of the building of the or each flexible wall 45, 45a.

Il faut noter que cette disposition, en position de fermeture de la baie, assure le maintien du raidisseur 46 appliqué contre la structure de guidage.It should be noted that this arrangement, in the closed position of the bay, maintains the stiffener 46 applied against the guide structure.

Avantageusement, le câble élastique 60 est fixé au raidisseur 46 par tout moyen connu de l'homme de l'art. Ainsi, le raidisseur 46, lors du mouvement d'ouverture de la baie, sous l'effet de l'effort de traction que lui applique le câble élastique 60, se trouve tracté vers le haut dans ses rails de guidage latéraux 32. Cette caractéristique combinée avec une disposition spatiale divergente des segments de rails de guidage 30a, 32a, dans leur partie supérieure permet d'écarter latéralement le raidisseur 46 de la trajectoire de la paroi rigide 40 et d'éviter ainsi tout frottement de la partie du tablier se développant sous le raidisseur 46.Advantageously, the elastic cable 60 is fixed to the stiffener 46 by any means known to those skilled in the art. Thus, the stiffener 46, during the opening movement of the bay, under the effect of the tensile force applied to it by the elastic cable 60, is pulled upwards in its lateral guide rails 32. This characteristic combined with a divergent spatial arrangement of the guide rail segments 30a, 32a, in their upper part makes it possible to spread laterally the stiffener 46 of the trajectory of the rigid wall 40 and thus to avoid any friction of the part of the deck developing under the stiffener 46.

Un autre avantage de ces dispositions réside dans le fait que lorsque le tablier 4 est en position d'ouverture totale de la baie et est supporté par une partie horizontale ou sensiblement horizontale de paire de rail 30, le ou chaque câble élastique 60 est en extension et exerce sur la partie inférieure du tablier 4 un effort sollicitant ledit tablier vers sa position de fermeture. Ainsi, de cette façon, le mouvement du tablier ou l'amorce du mouvement du tablier dans ses rails, vers la position de fermeture de la baie en sera facilité. L'intérêt de provoquer ce mouvement du tablier est d'écarter le risque de dévidage des câbles alors que le tablier est à l'arrêt dans ses rails.Another advantage of these provisions lies in the fact that when the apron 4 is in the fully open position of the bay and is supported by a horizontal or substantially horizontal portion of rail pair 30, the or each elastic cable 60 is extended and exerts on the lower part of the apron 4 a force urging said apron towards its closed position. Thus, in this way, the movement of the apron or the beginning of the movement of the apron in its rails to the closing position of the bay will be facilitated. The interest of causing this movement of the deck is to avoid the risk of unwinding cables while the deck is stopped in its rails.

Selon la forme préférée de réalisation, sont adjoints à chaque paroi souple 45 ou 45a, deux câbles élastiques 60 latéralement écartés l'un de l'autre.According to the preferred embodiment, are attached to each flexible wall 45 or 45a, two elastic cables 60 laterally spaced apart from each other.

En figure 11 est représentée encore une autre forme de réalisation du dispositif selon l'invention. On observe sur cette figure que le cadre rigide 40a de la paroi rigide 40 ne comprend pas de longeron inférieur rigide mais en lieu et place, un lien élastique horizontal 49, monté en tension entre les deux traverses verticales du cadre. Ainsi la partie inférieure de la paroi rigide 40 est formée par ce lien élastique 49, la paroi de remplissage souple étant alors fixée également à ce lien élastique 49.In figure 11 another embodiment of the device according to the invention is shown. It can be observed in this figure that the rigid frame 40a of the rigid wall 40 does not comprise a rigid lower spar but instead, a horizontal elastic link 49, mounted in tension between the two vertical cross members of the frame. Thus, the lower part of the rigid wall 40 is formed by this elastic link 49, the flexible filling wall then being fixed also to this elastic link 49.

Pour assurer sa rigidité, te cadre 40a d'une telle paroi 40 comportera un longeron horizontal intermédiaire, fixé aux deux traverses horizontales, à distance de leur extrémité inférieure.To ensure its rigidity, the frame 40a of such a wall 40 will comprise an intermediate horizontal spar, fixed to the two horizontal crosspieces, to distance from their lower end.

L'avantage d'une telle disposition est multiple, il permet notamment d'éviter de blesser gravement une personne se trouvant sous la trajectoire du tablier lors de la fermeture et il réduit les risques d'endommagement de la paroi rigide 40 sous l'effet d'un choc sur sa partie inférieure, du fait par exemple d'un mobile tel que chariot élévateur, évoluant au travers de l'ouverture de la baie.The advantage of such an arrangement is multiple, in particular it makes it possible to avoid seriously injuring a person who is under the path of the apron during closing and it reduces the risk of damage to the rigid wall 40 under the effect a shock on its lower part, for example a mobile such as forklift, moving through the opening of the bay.

Enfin la ou chaque paroi rigide 40 et 45b pourra être constituée en au moins deux parties articulées l'une à l'autre selon un axe horizontal par un système de charnière. Ainsi chaque traverse verticale du cadre de cette paroi sera divisée en deux tronçons de traverse réunis l'un à l'autre par une charnière. Les deux charnières que possède le cadre seront axialement alignées. Dans l'axe de la charnière seront disposés des galets de guidage lesquels seront engagés dans la paire de rail 30.Finally the or each rigid wall 40 and 45b may be constituted by at least two parts articulated to each other along a horizontal axis by a hinge system. Thus each vertical cross member of the frame of this wall will be divided into two cross sections joined together by a hinge. The two hinges that the frame has will be axially aligned. In the axis of the hinge will be arranged guide rollers which will be engaged in the rail pair 30.

On a précédemment décrit un tablier 4 dont la partie inférieure est formée d'une paroi rigide formée d'un cadre avec paroi de remplissage, mais en variante la partie inférieure peut être constituée par une paroi rectangulaire rigide pleine ou ajourée remplissant à la fois la fonction de cadre rigide et de paroi de remplissage, la fonction de cadre rigide étant assurée par sa bordure périphérique de cette paroi.An apron 4 has previously been described, the lower part of which is formed of a rigid wall formed of a frame with a filling wall, but in a variant the lower part may be constituted by a solid rectangular or perforated rectangular wall filling at the same time the rigid frame function and filling wall, the rigid frame function being provided by its peripheral edge of this wall.

Il va de soi que la présente invention telle que définie dans les revendications peut recevoir tous aménagements et variantes du domaine des équivalents techniques sans pour autant sortir du cadre du présent brevet.It goes without saying that the present invention as defined in the claims may receive any arrangements and variants of the field of technical equivalents without departing from the scope of this patent.

Claims (14)

  1. A closure device (1) for a bay (2) of a building, including a guide structure (3) including at least one pair of vertical or substantially vertical guide rails (30), fixed against the building opening, and a panel (4) in the form of an at least partly flexible curtain, able to move in the guide structure (3) between a bay open position and a bay closed and vice-versa under the effect of the action of a motorised drive means (5) including traction cables (54),
    the lower part (40) of the panel (4) being formed by a rigid closure wall to which the traction cables (54) are fixed,
    the upper part (45) of the panel (4) being formed by at least one flexible closure wall and being fixed by its horizontal lower edge to the closure wall (40) and by its horizontal upper edge to the lintel of the opening (2),
    characterised in that each guide rail (30) has a vertical or substantially vertical rail segment (30a) and an upper rail segment (30b) occupying a horizontal or substantially horizontal spatial position while being inclined upwards or a position inclined with respect to the vertical, said segment being designed to receive the panel (4) in the open position of the bay (2), in said position the panel (1) being folded on itself.
  2. A closure device according to claim 1, characterised in that the upper part (45) of the panel (4) is formed by a flexible wall in a single piece.
  3. A closure device according to claim 2, characterised in that the rigid closure wall (40) comprises an upper pair of guide rollers (42) and a lower pair of guide rollers (43) both engaged in the same single pair (30) of guide rails.
  4. A closure device according to claim 1, characterised in that the upper part (40) of the panel (4) is formed by at least two flexible closure walls (45a) and by at least one rigid closure wall (45b) interposed between the two flexible closure walls (45a).
  5. A closure device according to claim 4, characterised in that the or each rigid closure wall (40, 45b) includes a pair of upper guide rollers (42) cooperating in guidance with the same and single first pair of guide rails (30) and a lower pair of guide rollers (43) cooperating with the same and single second pair (31) of guide rails adjacent to the preceding one and disposed between the opening and the first pair of guide rails (30).
  6. A closure device according to the preceding claim, characterised in that the panel (4) includes a rigid closure wall (40) forming its lower part, and at least one rigid closure wall (45b) distant from the preceding one in the position of closure of the bay, in that each rigid wall (40, 45b) includes at least one stop means (44) and in that the stop means of each closure wall cooperates in abutment with the stop means (44) of the immediately higher wall and/or of the immediately lower closure wall so that each immediately lower wall then drives the immediately higher wall in its ascending movement towards the open position.
  7. A closure device according to the preceding claim, characterised in that the stop means (44) of each rigid closure wall (40, 45b) is carried by the upper edge of said wall and forms a lateral projection with respect to the latter, in that the upper pair of rollers (42) is offset laterally with respect to the upper edge of said wall and on the same side as the projection formed by the stop means (44), and in that the normal distance between the upper edge of said wall and the rotation axis of the rollers in the upper pair of rollers (42) increases from the lower closure wall (40) towards the upper closure wall (45b).
  8. A closure device according to any one of the preceding claims, characterised in that the or each flexible wall (45, 45a) includes at least one horizontal stiffener (46).
  9. A closure device according to the preceding claim, characterised in that the or each stiffener (46) projects laterally from the corresponding flexible wall and engages in a dedicated pair of rails (32), common to all the stiffeners, each rail (32) including a substantially vertical bottom rail segment (32a) extended by a horizontal or substantially horizontal upper rail segment (32b).
  10. A closure device according to claim 7 or claim 8, characterised in that with each flexible closure wall (45, 45a) there is associated an elastic cable (60) fixed to the horizontal upper and lower edges of said wall, said elastic cable (60) being in abutment on one of the faces of said wall and on the associated stiffener (46), said cable, at least in the extension position of the flexible wall (45), the position corresponding to the closure of the bay, being in extension between the upper and lower edges of said flexible wall (45).
  11. A closure device according to claims 9 and 10 taken together, characterised in that the elastic cable (60) is fixed to the stiffener (46) and in that the guide rail segments (30a, 32a) adopt a divergent spatial arrangement.
  12. A device according to any one of the preceding claims, characterised in that the or each rigid closure wall (40, 45b) is formed by a rigid frame (40a, 45b) including at least one horizontal longitudinal member occupying an upper position and two vertical lateral cross-members fixed to the longitudinal member and extending downwards from the latter, said rigid frame (40a 45b) receiving a filling wall (41, 45c).
  13. A device according to the preceding claim, characterised in that the lower part of the rigid frame (40a) is formed by an elastic link, the filling wall (41) being flexible and being fixed to said elastic link (49).
  14. A device according to claim 1 or claim 4, characterised in that the or each rigid wall (40, 45b) is formed of at least two parts articulated on each other on a horizontal axis by means of a hinge system and in that the lateral guide rollers engaged in the pair of rails (30) are disposed on the axis of the hinge.
EP09772508.9A 2008-07-03 2009-07-02 Curtain-type closure device for an opening in a building Active EP2310607B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0803770A FR2933439B1 (en) 2008-07-03 2008-07-03 CURTAIN CLOSURE DEVICE FOR BUILDING BAY.
PCT/EP2009/058339 WO2010000808A1 (en) 2008-07-03 2009-07-02 Curtain-type closure device for an opening in a building

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EP2310607A1 EP2310607A1 (en) 2011-04-20
EP2310607B1 true EP2310607B1 (en) 2013-11-06

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US11156029B2 (en) * 2016-06-24 2021-10-26 Rolflex Exploitatie B.V. Sectional folding overhead door assembly
US11180949B2 (en) 2017-11-27 2021-11-23 Thermo Traks Inc Sealing system for overhead door

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DE29906136U1 (en) * 1999-04-09 2000-08-17 Lamsfuss, Norbert, 53604 Bad Honnef Lift gate with flexible door leaf
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US7832451B2 (en) * 2004-12-14 2010-11-16 Rite-Hite Holding Corporation Vertically movable door with safety barrier

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WO2010000808A1 (en) 2010-01-07
FR2933439B1 (en) 2015-10-02
FR2933439A1 (en) 2010-01-08
EP2310607A1 (en) 2011-04-20
US20110214352A1 (en) 2011-09-08

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