EP0501841A1 - Anti-jamming device for industrial door, which consists of a flexible screen reinforced with bars - Google Patents

Anti-jamming device for industrial door, which consists of a flexible screen reinforced with bars Download PDF

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Publication number
EP0501841A1
EP0501841A1 EP92400108A EP92400108A EP0501841A1 EP 0501841 A1 EP0501841 A1 EP 0501841A1 EP 92400108 A EP92400108 A EP 92400108A EP 92400108 A EP92400108 A EP 92400108A EP 0501841 A1 EP0501841 A1 EP 0501841A1
Authority
EP
European Patent Office
Prior art keywords
slide
wall
towards
guide
curtain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92400108A
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German (de)
French (fr)
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EP0501841B1 (en
Inventor
Bernard Kraeutler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nergeco SA
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Nergeco SA
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Publication date
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Publication of EP0501841A1 publication Critical patent/EP0501841A1/en
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Publication of EP0501841B1 publication Critical patent/EP0501841B1/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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices

Definitions

  • the present invention relates to vertical lift handling doors for industrial use, to isolate drafts and protect the thermal and sound environment of workshops, stores, etc., vis-à-vis other workshops, stores, etc. , or from the outside and more particularly the so-called curtain doors, which comprise as a main element for closing a bay, a curtain, which can be flexible, and be raised, to fold up at the top of the door, or which may consist of rigid panels which are mounted above the bay to clear the passage.
  • the edges of such a curtain, or at least the ends of reinforcing bars or reinforcements, which can form hinges, of such a curtain are guided in lateral guides, housed in, or formed by, vertical lateral uprights. of a frame surrounding the door, and forming, with an upper cross member, an assembly having sufficient mechanical rigidity.
  • the upper cross member can house mechanical elements such as motor, limit switch, winding shaft, electrical equipment, etc.
  • the slides During the upward and downward movements of the door, the slides must be wide enough, at least from a certain height to allow unrestricted movement of the curtain. But in the lowered state of closing the door, the curtain must as far as possible remain stationary in a vertical plane, preferably against one of the edges of each slide, that against which the pressure of the wind requests it most often, to remove unpleasant noises and vibrations harmful to the equipment. This is why the lateral slides for the edges of the curtains and the ends of the reinforcement bars have, at the lower part, a narrower section corresponding to the thickness of the curtain or to those of the reinforcement bars.
  • the object of the invention is to provide a device which allows good placement of the curtain in the lowered position, while preventing jamming.
  • the subject of the invention is a vertical lift handling door, for industrial use, of the curtain door type comprising, for closing a bay, a curtain which may be flexible or made up of rigid panels hinged together, reinforced by reinforcing bars, the ends of which are guided in slides formed by a bottom and two guide walls, a first wall against which the curtain is applied in the lowered position, and a second wall, said slides being constituted by, or formed in lateral uprights forming part of a frame surrounding the opening, the width of each slide being reduced to its lower part, by means of a filling element housed inside the slide, against the bottom of the slide and against said second guide wall, said element having a placement surface facing said first guide wall of the slide inclined from the bottom towards said second guide wall, to delimit with said first wall a narrowed downward placement volume, and a clearance surface, opposite the bottom of the slide, characterized in that the clearance surface is inclined from the bottom towards the bottom of the slide, at an angle of between about 1 and 10 °, preferably between 2 and 5, so that the
  • the release surface is advantageous for the release surface to be inclined horizontally from the edge in contact with the second wall of the slide towards the bottom of the slide.
  • the placement surface of each filling element can advantageously be deviated horizontally, starting from the bottom of the slide, towards said second guide wall, so that said placement volume is flared horizontally from the bottom of the slide.
  • the filling element houses a cell for controlling the space between the slides, for possibly controlling the stopping of the descent of the curtain and / or its ascent, in case presence of an obstacle in the curtain descent plane - a hole being made for this purpose in said clearance surface.
  • FIG. 1 there is shown the left half of a door to which the invention can be applied. It has two lateral uprights, 1 and 2, joined at their upper parts by a cross member 3.
  • the assembly forms a gantry which is placed around a bay formed in a wall.
  • the opening can be closed by a curtain 4 reinforced by reinforcing bars 5.
  • One end of the curtain is fixed at the top of the door, in the span 3.
  • the curtain is reinforced by reinforcing bars 5 whose ends slide in slides formed in the side uprights.
  • straps 6 are fixed to the lower bar, and can be wrapped around a shaft arranged in the upper crossmember, with the mechanical and electrical actuation and control means.
  • each slide has a bottom, a first guigade wall 8 and a second guide wall 9.
  • the free edges of the guide walls can have single or multiple folds, towards the inside of the slide, to stiffen it or improve sliding by eliminating a cutting edge. For the sake of clarity, these folds do not interfere with the present invention, have not been shown in the drawings.
  • the slide must be wide enough, at least at the top, and up to a certain height from the bottom, to allow during the lifting of the curtain, the accumulation of the folded edges of the curtain and the ends of the reinforcing bars . But when the curtain is down, it should be held as best as possible possible to avoid beating. In the lower part, corresponding to the two or three lower bars, when the curtain is lowered, the slide is therefore made more narrowly.
  • a filling element 10 comprising a guide ramp having a guide surface 11A and a placement surface 11B, opposite of the first guide wall 8 of the slide, to define therewith, a placement volume 12 narrowed downwards, to receive the curtain with the lower bar (s) with reduced play.
  • the lower part of the curtain is therefore pressed towards the first guide wall of the slide. It will therefore be necessary to place the guide ramp, depending on the conditions, in particular the wind, which apply the curtain on one side more than the other.
  • the guide ramp forms an angle between the guide surface and the placement surface. It can also be curved, or polygonal.
  • the surface 11A, 11B can be produced by a strip of welded sheet metal. If an unforeseen, accidental push, or under the effect of a draft, gust, etc., the lower bar bends and its end comes under the sheet metal strip 11, during the next raising of the curtain, the bar will be torn off, and the curtain destroyed. If the guide ramp is completed towards the outside of the slide by a solid surface 13, which will be designated below as the clearance surface, the same risk remains. Indeed, under the effect of an abnormal push, the lower bar can come out of the placement volume 12 and come to coincide in bracing against the surface 13 and on the next ascent, the curtain will tear.
  • the invention aims to eliminate this risk.
  • the invention is shown in detail in Figure 2 which shows on a larger scale the bottom of a slide, with the bottom 7, the first guide wall 8 and the second guide wall 9.
  • a filling element 20 according to l The invention has been arranged in place of the conventional element 10 of FIG. 1.
  • the filling element 20 has a clearance surface 23 which is inclined upwards towards the bottom of the slide.
  • the angle of inclination, which appears at A on the right side of the figure is advantageously between approximately 1 and 10 degrees, preferably between 2 and 4 degrees, exceptionally more for very large doors. A too weak, insensitive inclination would be ineffective, and an too strong inclination would excessively reduce the width L of the ramp at its upper part.
  • the clearance surface 23 is also inclined horizontally from the edge of the element in contact with the second guide wall 9, towards the bottom of the slide, at a similar angle B, which appears at the bottom of the figure.
  • the purpose of this inclination is to allow the loosening in case of wind pushing the curtain towards the first wall 8.
  • the release surface can be flat, or curved, that is to say have variable angles of inclination.
  • the placement surface 24 is deviated horizontally by an angle C, from the bottom of the slide, towards the second guide wall, so that the placement volume 22 is flared horizontally from the bottom of the slide.
  • the upper guide surface 27 is also advantageously inclined downwards by an angle D which can be of the same order of magnitude.
  • guide surface 21 and the placement surface 24 may form a dihedral angle, as shown in Figure 2, or be connected by a polygonal or rounded outline.
  • the set of surfaces 21, 23 and 24 consists of a single piece, preferably made of molded plastic, which allows simple and safe installation and easy storage by nesting. , which is allowed by the flared shapes of this guide ramp.
  • the presence of the filling element is used to place inside a security device, such as an emitting or receiving cell of an appropriate radius, (infrared, laser , etc) one of the elements carrying the transmitter, the other the receiver.
  • a security device such as an emitting or receiving cell of an appropriate radius, (infrared, laser , etc) one of the elements carrying the transmitter, the other the receiver.
  • a hole 25 is provided in the clearance surface 23.
  • FIGS. 3 and 4 show an alternative application. Doors of this type can be used in food or pharmaceutical warehouses. In such applications, dead or inaccessible volumes should be removed as much as possible. Dirt can lodge there and bacteria can grow.
  • the presence of the guide ramp according to the invention defines a closed volume at the bottom of the upright. This volume is not accessible for cleaning (water jet).
  • the part of the bottom of the upright, delimited by the guide ramp is cut out, to produce an opening 7A having the same profile as the guide ramp. It is thus possible to jet clean the interior of this cavity and ensure a cleanliness preventing the development of bacteria.
  • This quality can be further improved by providing a window 26 at the lower part of the clearance surface 23, which further facilitates the evacuation of the washing water to avoid stagnation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Tents Or Canopies (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Elevator Door Apparatuses (AREA)
  • Wing Frames And Configurations (AREA)
  • Special Wing (AREA)

Abstract

Handling door which can be raised vertically, for industrial purposes, of the shutter door type, comprising, for the closing of an opening, a shutter which may be flexible or consist of rigid panels articulated to one another, reinforced by reinforcement bars whose ends are guided in slideways formed by a bottom (7) and two guiding walls, a first wall (8) against which the shutter is applied in the lowered position, and a second wall (9), the said slideways consisting of, or being formed by, lateral struts belonging to a frame surrounding the opening, the width of each slideway being reduced at its lower part, by means of a filling element (10, 20) accommodated inside the slideway, against the bottom of the slideway and against the said second guiding wall, the said element having a guiding incline comprising a guiding surface (21) and a positioning surface (24) opposite the said first guiding wall of the slideway, sloping from the lower part towards the said second guiding wall, to delimit with the said first wall a positioning volume narrowed towards the lower part, and a clearance surface (23), opposed to the bottom of the slideway, characterised in that the clearance surface slopes from the lower part towards the bottom of the slideway, by an angle lying between approximately 1 and 10 DEG , preferably between 2 and 5 DEG , so that the horizontal spacing between the clearance surfaces of the two slideways of the two vertical lateral struts opposite each other increases towards the top. <IMAGE>

Description

La présente invention concerne les portes de manutention à relevage vertical à usage industriel, pour isoler des courants d'air et protéger l'ambiance thermique et sonore des ateliers, magasins, etc, vis-à-vis d'autres ateliers, magasins, etc, ou de l'extérieur et plus particulièrement les portes dites à rideau, qui comportent comme élément principal de l'obturation d'une baie, un rideau, qui peut être souple, et être relevé, pour se replier à la partie supérieure de la porte, ou qui peut être constitué de panneaux rigides qui se montent au-dessus de la baie pour en dégager le passage. Les bords d'un tel rideau, ou tout au moins les extrémités de barres de renforcement ou d'armatures, pouvant former charnières, d'un tel rideau sont guidés dans des glissières latérales, logées dans, ou formées par, des montants latéraux verticaux d'un cadre entourant la porte, et formant, avec une traverse supérieure, un ensemble présentant une rigidité mécanique suffisante. La traverse supérieure pouvant abriter des éléments mécaniques tels que moteur, fin de course, arbre d'enroulement, appareillage électrique, etc...The present invention relates to vertical lift handling doors for industrial use, to isolate drafts and protect the thermal and sound environment of workshops, stores, etc., vis-à-vis other workshops, stores, etc. , or from the outside and more particularly the so-called curtain doors, which comprise as a main element for closing a bay, a curtain, which can be flexible, and be raised, to fold up at the top of the door, or which may consist of rigid panels which are mounted above the bay to clear the passage. The edges of such a curtain, or at least the ends of reinforcing bars or reinforcements, which can form hinges, of such a curtain are guided in lateral guides, housed in, or formed by, vertical lateral uprights. of a frame surrounding the door, and forming, with an upper cross member, an assembly having sufficient mechanical rigidity. The upper cross member can house mechanical elements such as motor, limit switch, winding shaft, electrical equipment, etc.

Pendant les mouvements de montée et de descente de la porte, les glissières doivent être assez larges, au moins à partir d'une certaine hauteur pour permettre un mouvement sans restriction du rideau. Mais à l'état descendu de fermeture de la porte, le rideau doit autant que possible rester immobile dans un plan vertical, de préférence contre un des bords de chaque glissière, celui contre lequel la pression du vent le sollicite le plus souvent, pour supprimer les bruits désagréables et les vibrations nuisibles au matériel. C'est pourquoi, les glissières latérales pour les bords des rideaux et les extrémités des barres de renforcement présentent, à la partie inférieure une section plus étroite correspondant à l'épaisseur du rideau ou à celles des barres de renforcement.During the upward and downward movements of the door, the slides must be wide enough, at least from a certain height to allow unrestricted movement of the curtain. But in the lowered state of closing the door, the curtain must as far as possible remain stationary in a vertical plane, preferably against one of the edges of each slide, that against which the pressure of the wind requests it most often, to remove unpleasant noises and vibrations harmful to the equipment. This is why the lateral slides for the edges of the curtains and the ends of the reinforcement bars have, at the lower part, a narrower section corresponding to the thickness of the curtain or to those of the reinforcement bars.

Comme il est économiquement non souhaitable de réaliser des glissières dont la largeur se rétrécit, ceci conduit à placer à la partie inférieure des glissières à l'intérieur de celles-ci des éléments de remplissage qui en réduisent progressivement la largeur intérieure libre, soit en tôle soudée, en plastique moulé, soit sous forme d'un élément volumineux, en bois, métal, plastique, etc... Il s'est avéré que souvent, le remède est pire que le mal. Alors que l'on combat des vibrations ou bruits gênants, il se produit, sous l'effet de causes diverses, tels que coups de vents, ou imprécision du montage ou de réalisation de la structure de la porte, des coincements, qui, lors de la remontée du rideau provoquent son arrachement et sa destruction.As it is economically undesirable to produce slides whose width narrows, this leads to placing at the lower part of the slides inside thereof filling elements which progressively reduce the free internal width, ie sheet welded, molded plastic, either as a bulky item, wood, metal, plastic, etc. It turned out that often the remedy was worse than the disease. While combating annoying vibrations or noises, it occurs, under the effect of various causes, such as gusts of wind, or inaccuracy of the assembly or realization of the structure of the door, jamming, which, during of the curtain going up cause it to be torn off and destroyed.

L'invention a pour but un dispositif qui permet un bon placement du rideau en position abaissée, tout en évitant les coincements.The object of the invention is to provide a device which allows good placement of the curtain in the lowered position, while preventing jamming.

L'invention a pour objet une porte de manutention à relevage vertical, à usage industriel, du genre porte à rideau comportant pour l'obturation d'une baie, un rideau qui peut être souple ou constitué de panneaux rigides articulés les uns aux autres, renforcé par des barres d'armature dont les extrémités sont guidées dans des glissières fomées par un fond et deux parois de guidage, une première paroi contre laquelle le rideau est appliqué en position descendue, et une seconde paroi, lesdites glissières étant constituées par, ou formées dans des montants latéraux faisant partie d'un cadre entourant la baie, la largeur de chaque glissière étant réduite à sa partie inférieure, au moyen d'un élément de remplissage logé à l'intérieur de la glissière, contre le fond de la glissière et contre ladite seconde paroi de guidage, ledit élément présentant une surface de placement en regard de ladite première paroi de guidage de la glissière inclinée depuis le bas vers ladite seconde paroi de guidage, pour délimiter avec ladite première paroi un volume de placement rétréci vers le bas, et une surface de dégagement, opposée au fond de la glissière, caractérisée en ce que la surface de dégagement est inclinée à partir du bas vers le fond de la glissière, d'un angle compris entre environ 1 et 10°, de préférence entre 2 et 5, de sorte que l'écart horizontal entre les surfaces de dégagement des deux glissières en vis-à-vis va en croissant vers le haut.The subject of the invention is a vertical lift handling door, for industrial use, of the curtain door type comprising, for closing a bay, a curtain which may be flexible or made up of rigid panels hinged together, reinforced by reinforcing bars, the ends of which are guided in slides formed by a bottom and two guide walls, a first wall against which the curtain is applied in the lowered position, and a second wall, said slides being constituted by, or formed in lateral uprights forming part of a frame surrounding the opening, the width of each slide being reduced to its lower part, by means of a filling element housed inside the slide, against the bottom of the slide and against said second guide wall, said element having a placement surface facing said first guide wall of the slide inclined from the bottom towards said second guide wall, to delimit with said first wall a narrowed downward placement volume, and a clearance surface, opposite the bottom of the slide, characterized in that the clearance surface is inclined from the bottom towards the bottom of the slide, at an angle of between about 1 and 10 °, preferably between 2 and 5, so that the horizontal gap between the clearance surfaces of the two facing slides goes increasing towards the top.

On comprend qu'ainsi, si pour une raison quelconque, une barre de renforcement se place en tavers, avec une extrémité en arc boutement contre une surface de dégagement présentant une telle inclinaison, un effort de relevage aura pour effet immédiat d'amorcer un décoincement.It is understood that thus, if for any reason, a reinforcing bar is placed in tavers, with an arched end against a clearance surface having such an inclination, a lifting effort will have the immediate effect of initiating a loosening .

En outre, pour améliorer cette tendance au décoincement, il est avantageux que la surface de dégagement soit inclinée horizontalement depuis le bord au contact de la deuxième paroi de la glissière vers le fond de la glissière. De plus, la surface de placement de chaque élément de remplissage peut avantageusement être déviée horizontalement, en partant du fond de la glissière, vers ladite seconde paroi de guidage, de sorte que ledit volume de placement est évasé horizontalement à partir du fond de la glissière.In addition, to improve this tendency to loosen, it is advantageous for the release surface to be inclined horizontally from the edge in contact with the second wall of the slide towards the bottom of the slide. In addition, the placement surface of each filling element can advantageously be deviated horizontally, starting from the bottom of the slide, towards said second guide wall, so that said placement volume is flared horizontally from the bottom of the slide. .

Selon une autre caractéristique avantageuse de la présente invention, l'élément de remplissage abrite une cellule de contrôle de l'espace entre les glissières, pour commander éventuellement l'arrêt de la descente du rideau et/ou sa remontée, en cas de présence d'un obstacle dans le plan de descente du rideau - un trou étant pratiqué à cette fin dans ladite surface de dégagement.According to another advantageous characteristic of the present invention, the filling element houses a cell for controlling the space between the slides, for possibly controlling the stopping of the descent of the curtain and / or its ascent, in case presence of an obstacle in the curtain descent plane - a hole being made for this purpose in said clearance surface.

D'autres caractéristiques at avantages de l'invention apparaîtront au cours de la description qui va suivre, donnée à titre d'exemple non limitatif, en regard des dessins joints, et qui fera bien comprendre comment l'invention peut être réalisée.Other characteristics and advantages of the invention will appear during the description which follows, given by way of nonlimiting example, with reference to the accompanying drawings, and which will make it clear how the invention can be implemented.

Sur les dessins,

  • la figure 1 est une vue en prespective d'une porte, selon l'art antérieur, d'un type auquel peut s'appliquer la présente invention,
  • la figure 2 est une vue à plus grande échelle d'une partie de la porte de la figure 1, modifiée conformément à la présente invention,
  • la figure 3 est une vue en élévation d'une variante, et
  • la figure 4 est une vue en coupe par un plan horizontal suivant la ligne IV-IV de la figure 3.
In the drawings,
  • FIG. 1 is a perspective view of a door, according to the prior art, of a type to which the present invention can be applied,
  • FIG. 2 is an enlarged view of part of the door of FIG. 1, modified in accordance with the present invention,
  • FIG. 3 is an elevation view of a variant, and
  • FIG. 4 is a sectional view through a horizontal plane along the line IV-IV of FIG. 3.

Sur la figure 1, on a représenté la moitié gauche d'une porte à laquelle peut s'appliquer l'invention. Elle comporte deux montants latéraux, 1 et 2, réunis à leurs parties supérieures par une traverse 3. L'ensemble forme un portique que l'on dispose autour d'une baie pratiquée dans un mur. La baie peut être obturée par un rideau 4 renforcé par des barres d'armature 5. Une extrémité du rideau est fixée en haut de la porte, dans la travere 3. Le rideau est renforcé par des barres d'armature 5 dont les extrémités coulissent dans des glissières formées dans les montants latéraux. Pour relever ou abaisser le rideau, des sangles 6 sont fixées à la barre inférieure, et peuvent être enroulées autour d'un arbre disposé dans la traverse supérieure, avec les moyens mécaniques et électriques d'actionnement et de commande.In Figure 1, there is shown the left half of a door to which the invention can be applied. It has two lateral uprights, 1 and 2, joined at their upper parts by a cross member 3. The assembly forms a gantry which is placed around a bay formed in a wall. The opening can be closed by a curtain 4 reinforced by reinforcing bars 5. One end of the curtain is fixed at the top of the door, in the span 3. The curtain is reinforced by reinforcing bars 5 whose ends slide in slides formed in the side uprights. To raise or lower the curtain, straps 6 are fixed to the lower bar, and can be wrapped around a shaft arranged in the upper crossmember, with the mechanical and electrical actuation and control means.

Les glissières sont ici formées directement par les montants : chaque glissière comporte un fond, une première paroi de guigade 8 et une seconde paroi de guidage 9. Les bords libres des parois de guidage peuvent comporter des plis simples ou multiples, vers l'intérieur de la glissière, pour rigidifier celle-ci ou améliorer le glissement en supprimant une arête coupante. Pour la clarté de l'exposé, ces plis n'interférant pas dans la présente invention, n'ont pas été représentés sur les dessins.The slides are here formed directly by the uprights: each slide has a bottom, a first guigade wall 8 and a second guide wall 9. The free edges of the guide walls can have single or multiple folds, towards the inside of the slide, to stiffen it or improve sliding by eliminating a cutting edge. For the sake of clarity, these folds do not interfere with the present invention, have not been shown in the drawings.

La glissière doit être assez large, tout au moins dans la partie supérieure, et jusqu'à une certaine hauteur à partir du bas, pour permettre pendant le relevage du rideau, l'accumulation des bords repliés du rideau et des extrémités des barres de renforcement. Mais quand le rideau est descendu, il doit être maintenu le mieux possible pour éviter les battements. Dans la partie inférieure, correspondant aux deux ou trois barres inférieures, quand le rideau est descendu, on réalise donc la glissière de façon plus étroite. Pour la facilité de fabrication, et pour ne pas affaiblir les montants, ce rétrécissement est réalisé en plaçant dans la glissière, un élément de remplissage 10, comportant une rampe de guidage ayant une surface de guidage 11A et une surface de placement 11B, en regard de la première paroi de guidage 8 de la glissière, pour définir avec celle-ci, un volume de placement 12 rétréci vers le bas, pour recevoir le rideau avec la (ou les) barre inférieure avec un jeu réduit. En position descendue, la partie inférieure du rideau est donc plaquée vers la première paroi de guidage de la glissière. Il conviendra donc de placer la rampe de guidage, en fonction des conditions, notamment le vent, qui appliquent le rideau d'un côté plus que de l'autre. Sur la figure 1, la rampe de guidage forme un angle entre la surface de guidage et la surface de placement. Elle peut aussi bien être courbe, ou polygonale.The slide must be wide enough, at least at the top, and up to a certain height from the bottom, to allow during the lifting of the curtain, the accumulation of the folded edges of the curtain and the ends of the reinforcing bars . But when the curtain is down, it should be held as best as possible possible to avoid beating. In the lower part, corresponding to the two or three lower bars, when the curtain is lowered, the slide is therefore made more narrowly. For ease of manufacture, and in order not to weaken the uprights, this narrowing is carried out by placing in the slide, a filling element 10, comprising a guide ramp having a guide surface 11A and a placement surface 11B, opposite of the first guide wall 8 of the slide, to define therewith, a placement volume 12 narrowed downwards, to receive the curtain with the lower bar (s) with reduced play. In the lowered position, the lower part of the curtain is therefore pressed towards the first guide wall of the slide. It will therefore be necessary to place the guide ramp, depending on the conditions, in particular the wind, which apply the curtain on one side more than the other. In FIG. 1, the guide ramp forms an angle between the guide surface and the placement surface. It can also be curved, or polygonal.

La surface 11A, 11B peut être réalisée par une bande de tôle soudée. Si une poussée imprévue, accidentelle, ou sous l'effet d'un appel d'air, bourrasque, etc, la barre inférieure fléchit et son extrémité vient se mettre sous la bande de tôle 11, lors de la remontée suivante du rideau, la barre sera arrachée, et le rideau détruit. Si la rampe de guidage est complétée vers l'extérieur de la glissière par une surface pleine 13, qui sera désigné ci-après surface de dégagement, le même risque subsiste. En effet, sous l'effet d'une poussée anormale, la barre inférieure peut sortir du volume 12 de placement et venir se coïncer en arc-boutement contre la surface 13 et à la remontée suivante, le rideau se déchirera.The surface 11A, 11B can be produced by a strip of welded sheet metal. If an unforeseen, accidental push, or under the effect of a draft, gust, etc., the lower bar bends and its end comes under the sheet metal strip 11, during the next raising of the curtain, the bar will be torn off, and the curtain destroyed. If the guide ramp is completed towards the outside of the slide by a solid surface 13, which will be designated below as the clearance surface, the same risk remains. Indeed, under the effect of an abnormal push, the lower bar can come out of the placement volume 12 and come to coincide in bracing against the surface 13 and on the next ascent, the curtain will tear.

L'invention a pour but de supprimer ce risque. L'invention est représentée en détail sur la figure 2 qui montre à plus grande échelle le bas d'une glissière, avec le fond 7, la première paroi de guidage 8 et la seconde paroi de guidage 9. Un élément de remplissage 20 selon l'invention a été disposé à la place de l'élément classique 10 de la figure 1.The invention aims to eliminate this risk. The invention is shown in detail in Figure 2 which shows on a larger scale the bottom of a slide, with the bottom 7, the first guide wall 8 and the second guide wall 9. A filling element 20 according to l The invention has been arranged in place of the conventional element 10 of FIG. 1.

Conformément à l'invention, l'élément de remplissage 20 comporte une surface de dégagement 23 qui est inclinée vers le haut, vers le fond de la glissière. L'angle d'inclinaison, qui apparaît en A sur le côté droit de la figure est avantageusement compris entre environ 1 et 10 degrés, de préférence entre 2 et 4 degrés, exceptionnellement davantage pour de très grandes portes. Une inclinaison trop faible, insensible serait inefficace, et une inclinaison trop forte réduirait excessivement la largeur L de la rampe à sa partie supérieure.According to the invention, the filling element 20 has a clearance surface 23 which is inclined upwards towards the bottom of the slide. The angle of inclination, which appears at A on the right side of the figure is advantageously between approximately 1 and 10 degrees, preferably between 2 and 4 degrees, exceptionally more for very large doors. A too weak, insensitive inclination would be ineffective, and an too strong inclination would excessively reduce the width L of the ramp at its upper part.

Avantageusement, la surface de dégagement 23 est aussi inclinée horizontalement depuis le bord de l'élément au contact de la seconde paroi de guidage 9, vers le fond de la glissière, d'un angle analogue B, qui apparaît au bas de la figure. Cette inclinaison a pour but de permettre le décoincement en cas de vent poussant le rideau vers la première paroi 8. Il est rappelé que le volume de placement 22 est prévu le long de la paroi de la glissière, contre laquelle le vent, ou la pression différentielle entre les deux côtés de la porte, pousse le rideau le plus souvent. La surface de dégagement peut être plane, ou incurvée, c'est-à-dire présenter des angles d'inclinaison variables.Advantageously, the clearance surface 23 is also inclined horizontally from the edge of the element in contact with the second guide wall 9, towards the bottom of the slide, at a similar angle B, which appears at the bottom of the figure. The purpose of this inclination is to allow the loosening in case of wind pushing the curtain towards the first wall 8. It is recalled that the placement volume 22 is provided along the wall of the slide, against which the wind, or the pressure differential between the two sides of the door, pushes the curtain more often. The release surface can be flat, or curved, that is to say have variable angles of inclination.

En outre, selon une autre caractéristique avantageuse de l'invention, la surface de placement 24 est déviée horizontalement d'un angle C, depuis le fond de la glissière, vers la seconde paroi de guidage, de sorte que le volume de placement 22 est évasé horizontalement à partir du fond de la glissière. La surface supérieue de guidage 27 est aussi avantageusement inclinée vers le bas d'un angle D qui peut être du même ordre de grandeur.In addition, according to another advantageous characteristic of the invention, the placement surface 24 is deviated horizontally by an angle C, from the bottom of the slide, towards the second guide wall, so that the placement volume 22 is flared horizontally from the bottom of the slide. The upper guide surface 27 is also advantageously inclined downwards by an angle D which can be of the same order of magnitude.

Bien entendu, la surface de guidage 21 et la surface de placement 24 peuvent former un angle dièdre, comme représenté sur la figure 2, ou être raccordées par un contour polygonal ou arrondi.Of course, the guide surface 21 and the placement surface 24 may form a dihedral angle, as shown in Figure 2, or be connected by a polygonal or rounded outline.

Dans ces conditions, il n'est pas possible que l'extrémité d'une barre de renforcement vienne se placer sous la surface de guidage 21, puisque le volume délimité sous cette surface est fermé par la surface de dégagement 23. Egalement, si l'extrémité d'une barre vient se coïncer en arc boutement contre la surface de dégagement 23, la traction exercée pour relever le rideau ne pourra accentuer le coincement, au contraire, c'est le décoincement et le dégagement qui se produiront. Ces modifications de réalisation simple apportent une sécurité, qui supprime une cause de panne grave et contribue à la fiabilité de la porte.Under these conditions, it is not possible for the end of a reinforcing bar to be placed under the guide surface 21, since the volume delimited under this surface is closed by the clearance surface 23. Also, if the 'end of a bar is coincident in a buttress arc against the clearance surface 23, the traction exerted to raise the curtain can not accentuate the jamming, on the contrary, it is the loosening and the clearance which will occur. These simple construction modifications provide security, which eliminates a cause of serious failure and contributes to the reliability of the door.

Selon une caractéristique avantageuse de l'invention, l'ensemble des surfaces 21, 23 et 24 est constitué d'une seule pièce de préférence en matière plastique moulée, ce qui permet une mise en place simple et sûre, et un stockage facilité par emboîtement, ce qui est permis par les formes évasées de cette rampe de guidage.According to an advantageous characteristic of the invention, the set of surfaces 21, 23 and 24 consists of a single piece, preferably made of molded plastic, which allows simple and safe installation and easy storage by nesting. , which is allowed by the flared shapes of this guide ramp.

Selon une caractéristique additionnelle de l'invention, la présence de l'élement de remplissage est mise à profit pour placer à l'intérieur un dispositif de sécurité, tel qu'une cellule émettrice ou réceptrice d'un rayon approprié, (infrarouge, laser, etc) un des éléments portant l'émetteur, l'autre le récepteur. A cette fin, un trou 25 est prévu dans la surface de dégagement 23.According to an additional characteristic of the invention, the presence of the filling element is used to place inside a security device, such as an emitting or receiving cell of an appropriate radius, (infrared, laser , etc) one of the elements carrying the transmitter, the other the receiver. To this end, a hole 25 is provided in the clearance surface 23.

Les figures 3 et 4 représentent une variante d'application. Les portes de ce type peuvent être utilisées dans des entrepôts alimentaires, ou pharmaceutiques. Dans de telles applications, il faut supprimer le plus possible les volumes morts ou inaccessibles au lavage. Des saletés peuvent s'y loger et les bactéries se développer. La présence de la rampe de guidage selon l'invention délimite un volume fermé dans le bas du montant. Ce volume n'est pas accessible au nettoyage (jet d'eau). Selon une forme de réalisation de l'invention, représentée sur les figures 3 et 4, la partie du fond du montant, délimitée par la rampe de guidage est découpée, pour réaliser une ouverture 7A ayant le même profil que la rampe de guidage. Il est ainsi possible de nettoyer au jet l'intérieur de cette cavité et d'assurer une propreté interdisant le développement des bactéries.Figures 3 and 4 show an alternative application. Doors of this type can be used in food or pharmaceutical warehouses. In such applications, dead or inaccessible volumes should be removed as much as possible. Dirt can lodge there and bacteria can grow. The presence of the guide ramp according to the invention defines a closed volume at the bottom of the upright. This volume is not accessible for cleaning (water jet). According to one embodiment of the invention, shown in FIGS. 3 and 4, the part of the bottom of the upright, delimited by the guide ramp is cut out, to produce an opening 7A having the same profile as the guide ramp. It is thus possible to jet clean the interior of this cavity and ensure a cleanliness preventing the development of bacteria.

Cette qualité peut encore être améliorée en prévoyant à la partie inférieure de la surface de dégagement 23 une fenêtre 26, facilitant davantage l'évacuation de l'eau de lavage pour éviter la stagnation.This quality can be further improved by providing a window 26 at the lower part of the clearance surface 23, which further facilitates the evacuation of the washing water to avoid stagnation.

Claims (7)

1. - Porte de manutention à relevage vertical, à usage industriel, du genre porte à rideau comportant pour l'obturation d'une baie, un rideau qui peut être souple ou constitué de panneaux rigides articulés les uns aux autres, renforcé par des barres d'armature dont les extrémités sont guidées dans des glissières fomées par un fond (7) et deux parois de guidage, une première paroi (8) contre laquelle le rideau est appliqué en position descendue, et une seconde paroi (9), lesdites glissières étant constituées par, ou formées dans des montants latéraux faisant partie d'un cadre entourant la baie, la largeur de chaque glissière étant réduite à sa partie inférieure, au moyen d'un élément de remplissage (10, 20) logé à l'intérieur de la glissière, contre le fond de la glisière et contre ladite seconde paroi de guidage, ledit élément présentant une rampe de guidage comportant une surface de guidage (21) et une surface de placement (24) en regard de ladite première paroi de guidage de la glissière, inclinée depuis le bas vers ladite seconde paroi de guidage, pour délimiter avec ladite première paroi un volume de placement rétréci vers le bas, et une surface de dégagement (23), opposée au fond de la glissière, caractérisée en ce que la surface de dégagement est inclinée à partir du bas vers le fond de la glissière, d'un angle compris entre environ 1 et 10°, de préférence entre 2 et 5, de sorte que l'écart horizontal entre les surfaces de dégagement des deux glissières des deux montants latéraux verticaux en vis-à-vis va en croissant vers le haut. 1. - Handling door with vertical lift, for industrial use, of the curtain door type comprising, for closing a window, a curtain which can be flexible or made up of rigid panels hinged together, reinforced by bars of reinforcement, the ends of which are guided in guides formed by a bottom (7) and two guide walls, a first wall (8) against which the curtain is applied in the lowered position, and a second wall (9), said guides being formed by, or formed in lateral uprights forming part of a frame surrounding the opening, the width of each slide being reduced to its lower part, by means of a filling element (10, 20) housed inside of the slide, against the bottom of the slide and against said second guide wall, said element having a guide ramp comprising a guide surface (21) and a placement surface (24) opposite said pre first guide wall of the slide, inclined from the bottom towards said second guide wall, to delimit with said first wall a placement volume narrowed down, and a release surface (23), opposite the bottom of the slide, characterized in that the clearance surface is inclined from the bottom towards the bottom of the slide, by an angle of between approximately 1 and 10 °, preferably between 2 and 5, so that the horizontal distance between the surfaces of clearance of the two slides of the two vertical lateral uprights facing each other increases in an upward direction. 2. - Porte selon la revendication 1, dans laquelle la surface de dégagement (23) est en outre inclinée horizontalement depuis le bord au contact de la deuxième paroi (9) de la glissière vers le fond (7) de la glissière. 2. - Door according to claim 1, wherein the release surface (23) is further inclined horizontally from the edge in contact with the second wall (9) of the slide towards the bottom (7) of the slide. 3. - Porte selon une des revendications 1 ou 2, dans laquelle la surface de placement (24) de chaque élément de remplissage (20) est déviée horizontalement, en partant du fond (7) de la glissière, vers ladite seconde paroi de guidage (9), de sorte que ledit volume de placement (22) est évasé horizontalement à partir du fond de la glissière. 3. - Door according to one of claims 1 or 2, wherein the placement surface (24) of each filling element (20) is deflected horizontally, starting from the bottom (7) of the slide, towards said second guide wall (9), so that said placement volume (22) is flared horizontally from the bottom of the slide. 4. - Porte selon une des revendications 1 à 3, dans laquelle une cellule de détection de présence et logée à l'intérieur de l'élément de remplissage (20), et un orifice (25) est pratiqué dans la surface de dégagement pour laisser passer les rayonnements de la cellule de détection. 4. - Door according to one of claims 1 to 3, wherein a presence detection cell and housed inside the filling element (20), and an orifice (25) is formed in the clearance surface for let the radiation from the detection cell pass. 5.- Porte selon l'une des revendications précédentes, dans laquelle la partie du fond du montant, délimitée par la rampe de guidage est découpée pour réaliser une ouverture (7A) ayant le même profil que la rampe de guidage. 5. Door according to one of the preceding claims, in which the part of the bottom of the upright, delimited by the guide ramp is cut out to produce an opening (7A) having the same profile as the guide ramp. 6.- Porte selon la revendication 5, dans laquelle une fenêtre (26) est prévue à la partie inférieure de la surface de dégagement (23), pour faciliter l'écoulement d'eau de lavage. 6. A door according to claim 5, in which a window (26) is provided at the lower part of the release surface (23), to facilitate the flow of washing water. 7.- Porte selon l'une des revendications précédentes, dans laquelle l'élément de remplissage est réalisé en matière plastique moulée. 7.- Door according to one of the preceding claims, wherein the filling element is made of molded plastic.
EP92400108A 1991-02-27 1992-01-15 Anti-jamming device for industrial door, which consists of a flexible screen reinforced with bars Expired - Lifetime EP0501841B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9102346 1991-02-27
FR9102346A FR2673235B1 (en) 1991-02-27 1991-02-27 SECURITY DEVICE AGAINST CRUNCHES FOR A CURTAIN TYPE HANDLING DOOR WITH REINFORCEMENT BARS.

Publications (2)

Publication Number Publication Date
EP0501841A1 true EP0501841A1 (en) 1992-09-02
EP0501841B1 EP0501841B1 (en) 1995-04-19

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EP92400108A Expired - Lifetime EP0501841B1 (en) 1991-02-27 1992-01-15 Anti-jamming device for industrial door, which consists of a flexible screen reinforced with bars

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US (1) US5209281A (en)
EP (1) EP0501841B1 (en)
JP (1) JPH0579262A (en)
AT (1) ATE121495T1 (en)
AU (1) AU1109692A (en)
CA (1) CA2061503A1 (en)
CZ (1) CZ58392A3 (en)
DE (1) DE69202082T2 (en)
FR (1) FR2673235B1 (en)
HU (1) HUT60837A (en)

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WO1997028346A1 (en) * 1996-02-02 1997-08-07 Nergeco Industrial door having enhanced sealing properties

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US5575322A (en) * 1995-09-15 1996-11-19 Miller; James V. Rolling protective shutters
US6085822A (en) 1997-02-20 2000-07-11 Miller; James V. Deployment control for rolling protective shutters
US5850862A (en) * 1997-02-20 1998-12-22 Miller; James V. Rolling protective shutters
GB2348233B (en) * 1999-03-24 2001-07-18 Waivis Ltd Shutter centre stop
US7100665B2 (en) * 2004-03-17 2006-09-05 Miller James V Dual boss shutter slat with retention plate
US7784522B2 (en) * 2004-03-17 2010-08-31 Qualitas Manufacturing Incorporated Locator and shutter slat
US7357171B2 (en) 2004-03-17 2008-04-15 Qmi Security Solutions Low-clearance shutter slat
US10465440B2 (en) 2012-02-20 2019-11-05 Qualitas Manufacturing Incorporated Shutter slat
RU2636924C2 (en) 2012-02-20 2017-11-28 НАУТИЛУС ШАТТЕР ЭлЭлСи Improved shutter lamella and compact shutter unit
WO2013126453A2 (en) 2012-02-20 2013-08-29 Qualitas Manufacturing Incorporated Improved shutter slat
US9945178B2 (en) * 2015-06-26 2018-04-17 Performax Global Flexible door assembly
JP6517646B2 (en) * 2015-09-24 2019-05-22 アイシン精機株式会社 Shade equipment

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DE1709192A1 (en) * 1962-08-25 1970-07-23 Dieter Rau Roller shutter curtain
DE2206789A1 (en) * 1972-02-12 1973-08-23 Pade Guenter J A NON-ROLLING METAL SHUTTERS
AT315450B (en) * 1971-07-22 1974-05-27 Aeberli Kurt Shutters
FR2369408A1 (en) * 1976-11-02 1978-05-26 Frohlich Richard ROLLER SHUTTER LOCKING DEVICE

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FR2488646A1 (en) * 1980-08-12 1982-02-19 Kraeutler Bernard DOOR FILLING PANEL DESIGNED AS ACCORDION

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DE1709192A1 (en) * 1962-08-25 1970-07-23 Dieter Rau Roller shutter curtain
AT315450B (en) * 1971-07-22 1974-05-27 Aeberli Kurt Shutters
DE2206789A1 (en) * 1972-02-12 1973-08-23 Pade Guenter J A NON-ROLLING METAL SHUTTERS
FR2369408A1 (en) * 1976-11-02 1978-05-26 Frohlich Richard ROLLER SHUTTER LOCKING DEVICE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028346A1 (en) * 1996-02-02 1997-08-07 Nergeco Industrial door having enhanced sealing properties
FR2744485A1 (en) * 1996-02-02 1997-08-08 Nergeco Sa REINFORCED SEALING HANDLING DOOR

Also Published As

Publication number Publication date
JPH0579262A (en) 1993-03-30
HUT60837A (en) 1992-10-28
US5209281A (en) 1993-05-11
CZ58392A3 (en) 1993-05-12
CA2061503A1 (en) 1992-08-28
FR2673235B1 (en) 1994-01-28
ATE121495T1 (en) 1995-05-15
HU9200533D0 (en) 1992-05-28
DE69202082T2 (en) 1995-09-28
DE69202082D1 (en) 1995-05-24
EP0501841B1 (en) 1995-04-19
AU1109692A (en) 1992-09-03
FR2673235A1 (en) 1992-08-28

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