EP3227511A1 - Device for at least partially plugging a cavity that is open at the top, and installation comprising such a device - Google Patents

Device for at least partially plugging a cavity that is open at the top, and installation comprising such a device

Info

Publication number
EP3227511A1
EP3227511A1 EP15817963.0A EP15817963A EP3227511A1 EP 3227511 A1 EP3227511 A1 EP 3227511A1 EP 15817963 A EP15817963 A EP 15817963A EP 3227511 A1 EP3227511 A1 EP 3227511A1
Authority
EP
European Patent Office
Prior art keywords
opening
rails
frame
frames
along
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
EP15817963.0A
Other languages
German (de)
French (fr)
Other versions
EP3227511B1 (en
Inventor
Pierre Reus
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.)
Dalis Pit Covers
Original Assignee
Dalis Pit Covers
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalis Pit Covers filed Critical Dalis Pit Covers
Priority to PL15817963T priority Critical patent/PL3227511T3/en
Publication of EP3227511A1 publication Critical patent/EP3227511A1/en
Application granted granted Critical
Publication of EP3227511B1 publication Critical patent/EP3227511B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • E04H5/06—Pits or building structures for inspection or services
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/08—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements
    • E04H4/082—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements composed of flexibly or hingedly-connected slat-like elements, which may or may not be wound-up on a fixed axis
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/08—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements
    • E04H4/086—Sliding covers

Definitions

  • the present invention relates to a device for at least partial closure of a cavity open from above, and an installation comprising such a device.
  • a closure device comprising a foldable opening and a frame, said frame comprising two guide rails positionable along two opposite edges of the cavity, and means for delimiting a storage space of the opening , this storage space extending at one end of said guide rails and at least partially under the plane formed by the guide rails in the configuration of use of the device to allow the passage of the sliding displaceable opening along the frame a folded position inside the storage space in which it releases at least partially the inter-rail space, at an unfolded position of at least partial closure of the inter-rail space, and vice versa.
  • the cavity sealing such as pit, basin or other
  • the cavity sealing is a real necessity to avoid the risk of a person falling inside said cavity.
  • a closure device must, to allow its use in a systematic manner by the user, be easy to handle for rapid passage from the closed position to the open position of the cavity, and vice versa.
  • such a closure device must be light, compact and inexpensive.
  • An object of the present invention is therefore to provide a closure device of the aforementioned type whose design allows a saving in weight and reduced cost, without impairing the ease of use of the device.
  • the subject of the invention is an at least partial closure device a cavity open from above, said device comprising a foldable opening and a frame, said frame comprising two guide rails positionable along two opposite edges of the cavity, and means for delimiting a storage space of the 'opening, this storage space extending at one end of said guide rails and at least partially under the plane formed by the guide rails in the use configuration of the device to allow the passage of the opening, slidably movable the along the frame, from a folded position inside the storage space, in which it releases at least partially the inter-rail space, to an unfolded position of at least partial closure of the inter-rail space, and conversely, characterized in that the opening comprises a so-called header cross member, a collapsible concertina structure, and a flexible cover tarpaulin type couplable to the foldable structure and the transom of head, said foldable structure comprising parallel crosspieces called hoops extending between the guide rails and movably mounted sliding along said rail
  • the crosshead extends overlapping the frame above the stack of frames in the folded position of the opening.
  • the means for delimiting a storage space of the opening comprise means for delimiting a first guide path extending substantially at right angles to the guide rails and along which the foldable structure is adapted to slide for the passage of the opening from the folded position to the unfolded position and vice versa, and delimiting means of a second guide path along which the head rail is slidable for the passage of the opening of the folded position to the unfolded position and vice versa, this second guide path being arranged in the extension of the guide path formed by the guide rails and separated from said rails by an interruption zone, the distance between rail and second guide path being at least less than the distance between two of the points of support of the head beam disposed at the same end of said head beam.
  • the interruption zone allows the spacers to fill their office during the folding phase of the foldable structure, for an accordion folding of the cover inside the storage space. Thanks to the design of its points of support, the crosshead passes through this interrupt zone without falling or tilting at this zone.
  • the device comprises, under the interruption zone, each associated with a rail, two inclined ramps for guiding the foldable structure between the zone extending vertically and under the second guide path and the rails , each ramp associated with a rail being downwardly sloping from the rail with which it is associated to the area extending plumb and under the second guide path in the configuration of use of the device.
  • the foldable structure is guided during all its movement.
  • each bearing point of the head beam is formed by a rotating rolling member.
  • the hoops are, for their mobile assembly to sliding along the guide rails in the unfolded position of the opening, provided at each of their ends with a rotary rolling member and the spacers are, in the unfolded position of the opening, movably mounted to slide along the rails guidance via rotating rolling members.
  • the rails comprise means of imprisonment from above of said rotating rolling bodies and the interruption zone is free from said means of imprisonment.
  • At least two of the rotating rolling members of the head beam have non-parallel axes of rotation for guiding along at least two directions of said head beam along the rails.
  • the axis of rotation of the rotary rolling member of each arch is at said hoop, arranged parallel, and preferably coincidental, with the longitudinal axis of said hoop.
  • the device comprises elastically deformable connection means between the opening and the frame, these elastically deformable connecting means being configured for holding, in the storage space, the top of the foldable structure of the opening frame. a substantially constant height both in the folded position of the opening in the stacked state of all the frames in unfolded position of the opening, when the weight of at least a portion of the frames is taken up by the rails guidance. This results in ease of folding and deployment of the foldable structure of the opening.
  • the elastically deformable connecting means comprise at least one pulley secured to the frame, a pulley coupled to the frame by a spring, a connecting cable between the frame and the door, which is slid on each of the pulleys.
  • the foldable structure of the opening comprises, arranged inside the storage space, a support of the portion of the foldable structure formed of the stack of frames, and the connecting cable is, at the level of the opening, coupled to the support of the stack of frames of the opening.
  • at least the spacers and the arches of the so-called intermediate frames, arranged between the so-called end frames forming the ends of the stack of frames are each in the form of a bar provided at or near each of its ends of a spacer washer, each spacer washer of a frame being in bearing contact with the spacer washer of a superposed adjacent frame in the folded position of the opening. The presence of these spacers washers allows maintenance in substantially horizontal position frames of the stack of frames in the folded position of the opening.
  • the tarpaulin-type flexible cover which couples the most stacked frame above the pile in the stacked state of all the frames and the head beam, forms a bridge-type connection between said frame. and the crosshead.
  • the invention also relates to an installation comprising a cavity open from above and a device for closing said cavity, characterized in that the closure device is of the aforementioned type.
  • FIG. 1 shows a perspective view of a closure device according to the invention in the configuration of use, in unfolded position of closing the inter-rail space of the opening.
  • FIG. 2 shows a perspective view of a closure device according to the invention in the folded position of the opening.
  • FIG. 3 shows a partial perspective view of a closure device taken at the storage space, in the folded position of the opening.
  • FIG. 4 shows a partial perspective view of a closure device taken at the storage space in the opening position of the deployment of the opening.
  • FIG. 5 shows a partial perspective view of a closure device taken at the storage space in the end position of deployment of the opening.
  • - Figure 6 shows a perspective view of the crosshead.
  • FIG. 7 shows a perspective view of two adjacent frames of the foldable structure of the opening.
  • FIG. 8 shows a perspective view of the closure lid of the top of the storage space.
  • FIG. 9 shows a perspective view of the foldable structure of the opening in the folded position.
  • FIG. 10 shows a perspective view in elevation of the foldable structure of the opening, in the deployed position.
  • the invention relates to a device for at least partial closure of a cavity 30 open from above.
  • said cavity is formed by a workshop pit in the form of a buried cavity of parallelepipedal general shape delimited by two lateral edges and two end edges, the lateral edges and respective end edges respectively to the free edges of the side walls and end walls of the cavity.
  • the end edges are usually provided with stairs to allow access to the inside of the pit.
  • the device could have similarly applied to a pool such as a pool or other pool.
  • the closure device 1 comprises a foldable opening 2 and a frame 3.
  • the frame 3 comprises two parallel guide rails 4, positionable along two opposite edges, in this case the lateral edges of the cavity 30 and means 5 of delimitation of a storage space 6 of the opening 2.
  • This storage space 6 extends at one end of the guide rails and at least partially under the plane passing through the guide rails in the configuration of use of the device, to allow the passage of the opening 2 slidingly movable along the frame 3, a folded position inside the storage space 6 in which it releases at least partially the inter-rail space 4 to an unfolded position of at least partial closure of the inter-rail space 4 and vice versa.
  • This storage space 6 is therefore disposed at an end wall of the cavity.
  • the opening 2 comprises a crossbar 7 said head, a foldable structure 8 accordion and a cover 9 flexible tarpaulin type couplable to the foldable structure 8 and the crosshead 7 head.
  • the foldable structure 8 comprises crosspieces called hoops 10 extending between the guide rails 4 and movably mounted to slide along said rails 4 in the unfolded position of the opening 2 and the spacers 1 1 of the cover 9 of the sliding plane. 10.
  • the retractors 1 1 active during the folding of the opening 2 extend parallel to the arches and are coupled to the arches 10 by means of two rods 12. Links 12, arches 10 and spacers 1 1 each form a frame.
  • the frames 13 are, in the configuration of use of the device 1, arranged in stacked state superimposed in the folded position of the opening 2 and in the extension of one of the other bearing on the rails 4 in position unfolded from the opening 2, to form a line of frames.
  • the frame 13 at the top of the pile in the stacked state of the set of frames 13 is coupled by the cover 9 to the crosshead 7 head.
  • This crosshead 7 mounted by each of its movable ends sliding along the guide rails 4 in the unfolded position of the opening 2 is provided at each of its ends with at least three points 14 for support for a guide. at least three points along each of said rails.
  • This cross head 7 extends overlapping frame 13 at the top of the stack of frames, in the folded position of the opening and at the end of the rails farthest from the storage space 6 in the unfolded position of the opening in which it closes the inter-rail space as shown in FIG.
  • the storage space 6 which is surmounted by a cover 29 may be masked by said cover, which occupies a closed position.
  • This cover 29 is equipped with a torsion spring for assisting the passage of the lid from the closed position to the open position of the storage space 6.
  • This open position of the cover 29 corresponds to the position occupied by the cover during the maneuvering phases of the opening.
  • the crosshead 7 is provided with locking means, not shown, adapted to cooperate with complementary locking means carried by the end face of the cavity that the cross adjoins the unfolded position of the opening to allow maintenance of the crossbar in said position.
  • each point 14 of support of the crossbar 7 head is formed by a rotary rolling member 17 of the roller type.
  • At least two of the rotating rolling members 17 of the crosshead 7 have non-parallel axes of rotation, for a guide along at least two directions of said crosshead 7 along the guide rails 4.
  • the crosshead 7 comprises, at each of its ends, in the example shown in Figure 6, two rolling members 17 positionable bearing on the bottom of the guide rail 4 which has the shape of a U lying open in the direction of the other rail and three 17 rolling members positionable bearing on the lower branch of the said U rail.
  • the arches 10 and spacers 1 1 are each in the form of a bar.
  • hoops 10 and spacers 1 1 are, for their movable mounting sliding along the guide rails 4 in the unfolded position of the opening, provided at each of their ends with a rotary rolling member, this rotating rolling member being shown in FIG. 18 for the hoops 10 and 19 for the spreaders 1 1.
  • the axis of rotation of the rotating rotating member 18 of each arch 10 is, at said hoop 10, disposed parallel and here coincides with the longitudinal axis of the hoop 10. It is the same with the axis of rotation of the rotating rolling member 19 of each spacer U, disposed coincident with the longitudinal axis of said spacer.
  • each spacer or arch is provided at or near each of its ends with a washer 26 spacer.
  • the spacers washers of said spacers are in abutment on one another.
  • the arches 10 extend in the superimposed state with the washers 26 spacers of said arches resting on one another.
  • These spacers 26 washers allow maintenance of the frames 13 in a substantially horizontal plane.
  • the spacers 26 washers are arranged on the spacer, or respectively on the hoop, inside of the interval delimited by the rolling members of the spacer, or respectively of the arch.
  • Each frame 13 is therefore, as illustrated in FIG. 7, formed of two substantially parallel links 12, a hoop 10 and a spacer 1 1 parallel to the hoop 10, hoop 10 and spacer 1 1 being interconnected. by the links 12 pivotally coupled to the arch and the spacer.
  • Each intermediate frame between the end frames therefore shares a spacer or hoop with the adjacent frame.
  • the series of adjacent frames therefore forms an accordion folding stack of frames inside the storage space 6, as shown in FIG. 4.
  • the foldable structure of the opening further comprises, arranged inside the storage space. 6 storage space, a support 20 of the stack of frames 13. This support 20 is here in the form of a sliding plate.
  • the means 5 for delimiting a storage space 6 of the opening 2 comprise delimiting means of a first guide path 51 extending substantially at right angles to the guide rails 4 and along which the structured e foldable is slidable, for the passage of the opening 2 from the folded position to the unfolded position and vice versa, and delimiting means of a second guide path 52 along which the crossbar 7 head is apt to slide for the passage of the opening 2 from the folded position to the unfolded position and vice versa.
  • This second guide path 52 is arranged in the extension of the guide path formed by the guide rails 4 and separated from said rails 4 by an interruption zone 15.
  • the distance between rails 4 and second guide path 52 is less than the distance between two of the points of support of the crosshead 7 arranged at the same end of said crosshead 7.
  • first guide path extends substantially at right angles to the guide rails, it should be understood that the first guide path forms, with the guide rails, an equal angle at 90 ° plus or minus 10 °.
  • the support 20 of the stack of frames of the opening is thus displaceable in sliding along amounts forming the first guide path 51.
  • the second guide path 52 is, for its part, formed of two U-shaped rails opposite, intended to slidably receive the head beam 7 in the folded position of the opening to allow said crosshead 7 to extend in said position above the stack of frames.
  • the device comprises, under the interruption zone, each associated with a rail, two inclined ramps 16 for guiding the foldable structure 8 between the zone extending to the plumb. and under the second guide path 52 and the rails 4.
  • Each ramp 16 associated with a rail 4 is downwardly sloping from the rail with which it is associated to the zone extending vertically and under the second guide path 52 , in the configuration of use of the device 1. Said ramps 16 extend substantially parallel to each other.
  • the rolling members 18 equipping the hoops 10 of the frames 13 thus tend, during the passage from the unfolded position to the folded position of the opening or vice versa, to roll along these guide ramps 16.
  • the device further comprises elastically deformable connecting means 21 between the opening 2 and the frame 3.
  • These elastically deformable connecting means 21 are configured to hold, in the storage space 6, the top of the foldable structure 8 of the opening 2, at a substantially constant height, both in the folded position of the opening 2 in the stacked state of all the frames 13 in the unfolded position of the opening 2, when the weight of the at least part of the frames 13 is taken up by the guide rails 4.
  • These means 21 of elastically deformable connection here comprise two pulleys 22 integral with the frame 3, a pulley 23 coupled to the frame 3 by a spring 24 and a connecting cable 25 between the frame 3 and 2 opening on each of the pulleys 22, 23.
  • connection cable is, at the opening 2, coupled to the support 20 of the stack of frames 13 of the opening 2.
  • This cable then wraps around the two pulleys 22 arranged in the upper part of space 6 storage.
  • This cable then wraps around the pulley 23 loaded by spring 24 before being fixed to the frame in the upper part of the storage space 6.
  • the pulley 23 loaded by spring 24 is, in turn, returned by the spring 24 to the lower part of the storage space 6.
  • the helical spring 24 extends vertically inside the storage space 6 and relaxes, that is to say, elongates, as the stack of frames is lowered. inside the 6 storage space. Conversely, this coil spring 24 compresses, that is to say narrows, as and when the support 20 and the stack of frames are raised inside the space 6 of storage.
  • the top of the foldable structure corresponds to the upper frame of the stack of frames 13 which is transferred from the stack of frames to the rails 4 during the deployment of the opening to seal at least partially the top of the cavity 30 or conversely to the support 20 or to the frame on which the other frames must be stacked to at least partially release the top of the cavity during the folding of the opening.
  • the support 20 When the support 20 is lightened by a frame, since the weight of a frame is taken up by the rails 4, by balancing the elastic force of the spring 24 and the remaining weight of the stack of frames on said support 20, the support 20 is raised a height corresponding to the thickness of the frame removed from the stack. Conversely, when the support 20 is increased by a frame 13, the spring 24 relaxes and the support 20 is lowered by a height corresponding to the thickness of the frame added to the stack of frames.
  • the stiffness of the spring is chosen proportional to the weight of the foldable structure that the spring supports.
  • the interruption zone 15 is free from means of imprisonment above the rotating rolling members 17, 18, 19 fitted to the frame, these means of imprisonment being formed by the upper branch of the lying U. forming the guide rail 4.
  • the flexible cover 9 which is here a tarpaulin-type cover, couples the most stacked frame above the pile to the stacked state of all of the frames and the head crossbar 7, forming a bridge type connection between said frame and the crosshead 7 head.
  • This cover 9 is, for its coupling to the cross member and the frame, provided for example with sheaths within which a hoop of the frame and, for example a bar associated with the crosshead 7 head, are adapted to be inserted.
  • the other frames can also be coupled to the cover by cooperation of a hoop of each frame with a sheath of the blanket. This cover comes, unfolded position of the opening, covering the row of frames which is thus completely hidden.
  • the passage from the folded position to the unfolded position of the opening, and vice versa, can be carried out manually or automatically when at least the rotating rolling members of the head beam are motorized.
  • the head crossbar 7 may be equipped with a strap on which the operator acts to move the crossbar 7 head.
  • a closure device as described above is therefore as follows: it is assumed that the folding structure of the opening is in the folded position inside the storage space 6, with the head crossbar 7 housed in the second guide path, above the stack of frames folded accordion with the hoops of the frames extending on one side of the folds of the accordion and the spacers on the other side folds, as shown.
  • the support 20 of the stack of frames is thus in the lowered position and the spring 24 elongated to the maximum.
  • the lid 29 is closed.
  • the operator opens the lid 29, grasps the strap connected to the head crossbar 7 and slidably drives the crosshead 7 head for its passage from the second guide path to the guide rails 4.
  • Continued sliding movement of the head beam 7 along the guide rails via the cover connecting the leading beam 7 to the frame above the stack of frames, causes the sliding movement of the hoop of the first frame along the inclined ramp to the rails and, in parallel, by pulling the links on the spreader, raising the spacer of said frame by pivoting around the hoop of the frame immediately below, called frame lower, then lifting said lower frame whose bow moves slidably along the inclined ramps, before causing the displacement of the frames below.

Abstract

Device (1) for plugging the top of a cavity comprising a folding opening leaf (2) and a fixed frame (3), said fixed frame (3) comprising two guide rails (4) that can be positioned along two opposite edges of the cavity, and means (5) of delimiting space (6) in which to store the opening leaf (2) extending at one end of said guide rails (4) so as to allow the opening leaf (2) to move from a position folded up inside the storage space (6) into an unfolded position of at least partial closure of the space between the rails (4). The opening leaf (2) comprises a top-rail (7), a concertina-folding structure (8), and a flexible cover that can be coupled to the folding structure (8) and to the top-rail (7), said folding structure (8) comprising parallel hoops (10) mounted with the ability to slide along said rails (4) when the opening leaf (2) is in the unfolded position, and spacers (11) spacing the cover from the plane of sliding of the loops (10), said spacers (11), which are active when the opening leaf (2) is folded, being coupled to the hoops (10) via link rods (12).

Description

Dispositif d'obturation au moins partielle d'une cavité ouverte par le dessus, et installation comprenant un tel dispositif  Device for closing at least partially an open cavity from above, and an installation comprising such a device
La présente invention concerne un dispositif d'obturation au moins partielle d'une cavité ouverte par le dessus, ainsi qu'une installation comprenant un tel dispositif. The present invention relates to a device for at least partial closure of a cavity open from above, and an installation comprising such a device.
Elle concerne plus particulièrement un dispositif d'obturation comprenant un ouvrant pliable et un dormant, ledit dormant comprenant deux rails de guidage positionnables le long de deux bords opposés de la cavité, et des moyens de délimitation d'un espace de rangement de l'ouvrant, cet espace de rangement s'étendant à une extrémité desdits rails de guidage et au moins partiellement sous le plan formé par les rails de guidage en configuration d'utilisation du dispositif pour permettre le passage de l'ouvrant déplaçable à coulissement le long du dormant d'une position repliée à l'intérieur de l'espace de rangement dans laquelle il libère au moins partiellement l'espace inter rails, à une position dépliée de fermeture au moins partielle de l'espace inter rails, et inversement. It relates more particularly to a closure device comprising a foldable opening and a frame, said frame comprising two guide rails positionable along two opposite edges of the cavity, and means for delimiting a storage space of the opening , this storage space extending at one end of said guide rails and at least partially under the plane formed by the guide rails in the configuration of use of the device to allow the passage of the sliding displaceable opening along the frame a folded position inside the storage space in which it releases at least partially the inter-rail space, at an unfolded position of at least partial closure of the inter-rail space, and vice versa.
L'obturation de cavité, telle que fosse, bassin ou autre, est une véritable nécessité pour éviter les risques de chute d'une personne à l'intérieur de ladite cavité. Toutefois, un tel dispositif d'obturation doit, pour permettre son utilisation de manière systématique par l'utilisateur, être facile à manier pour un passage rapide de la position fermée à la position ouverte de la cavité, et inversement. En outre, un tel dispositif d'obturation doit être léger, peu encombrant et peu onéreux. The cavity sealing, such as pit, basin or other, is a real necessity to avoid the risk of a person falling inside said cavity. However, such a closure device must, to allow its use in a systematic manner by the user, be easy to handle for rapid passage from the closed position to the open position of the cavity, and vice versa. In addition, such a closure device must be light, compact and inexpensive.
Un but de la présente invention est donc de proposer un dispositif d'obturation du type précité dont la conception permet un gain de poids et un coût réduit, sans nuire à la facilité d'utilisation du dispositif. An object of the present invention is therefore to provide a closure device of the aforementioned type whose design allows a saving in weight and reduced cost, without impairing the ease of use of the device.
À cet effet, l'invention a pour objet un dispositif d'obturation au moins partielle d'une cavité ouverte par le dessus, ledit dispositif comprenant un ouvrant pliable et un dormant, ledit dormant comprenant deux rails de guidage positionnables le long de deux bords opposés de la cavité, et des moyens de délimitation d'un espace de rangement de l'ouvrant, cet espace de rangement s'étendant à une extrémité desdits rails de guidage et au moins partiellement sous le plan formé par les rails de guidage en configuration d'utilisation du dispositif pour permettre le passage de l'ouvrant, déplaçable à coulissement le long du dormant, d'une position repliée à l'intérieur de l'espace de rangement, dans laquelle il libère au moins partiellement l'espace inter rails, à une position dépliée de fermeture au moins partielle de l'espace inter rails, et inversement, caractérisé en ce que l'ouvrant comprend une traverse dite de tête, une structure pliable en accordéon, et une couverture souple de type bâche couplable à la structure pliable et à la traverse de tête, ladite structure pliable comprenant des traverses parallèles appelées arceaux s'étendant entre les rails de guidage et montées mobiles à coulissement le long desdits rails en position dépliée de l'ouvrant, des écarteurs de la couverture du plan de coulissement des arceaux, lesdits écarteurs, actifs lors du repli de l'ouvrant, étant couplés aux arceaux par l'intermédiaire de biellettes, biellettes, arceau et écarteur formant à chaque fois un cadre, lesdits cadres étant, en configuration d'utilisation du dispositif, disposés, à l'état empilé de manière superposée en position repliée de l'ouvrant, et dans le prolongement l'un de l'autre en appui sur les rails en position dépliée de l'ouvrant pour former une file de cadres, le cadre le plus au-dessus de la pile à l'état empilé de l'ensemble des cadres étant couplé par la couverture à la traverse de tête, cette traverse de tête, montée par chacune de ses extrémités mobile à coulissement le long des rails de guidage en position dépliée de l'ouvrant, étant munie, à chacune de ses extrémités, d'au moins trois points d'appui pour un guidage en au moins trois points le long de chacun desdits rails. For this purpose, the subject of the invention is an at least partial closure device a cavity open from above, said device comprising a foldable opening and a frame, said frame comprising two guide rails positionable along two opposite edges of the cavity, and means for delimiting a storage space of the 'opening, this storage space extending at one end of said guide rails and at least partially under the plane formed by the guide rails in the use configuration of the device to allow the passage of the opening, slidably movable the along the frame, from a folded position inside the storage space, in which it releases at least partially the inter-rail space, to an unfolded position of at least partial closure of the inter-rail space, and conversely, characterized in that the opening comprises a so-called header cross member, a collapsible concertina structure, and a flexible cover tarpaulin type couplable to the foldable structure and the transom of head, said foldable structure comprising parallel crosspieces called hoops extending between the guide rails and movably mounted sliding along said rails in the open position of the opening, spacers of the cover of the sliding plane of the hoops, said spacers , active during the folding of the opening, being coupled to the arches by means of rods, rods, hoop and spacer forming each time a frame, said frames being, in the configuration of use of the device, arranged at the stacked state superimposed in the folded position of the opening, and in the extension of one another supported on the rails in the unfolded position of the opening to form a row of frames, the frame above the of the pile in the stacked state of all the frames being coupled by the cover to the head beam, this head beam, mounted by each of its sliding ends sliding along the guide rails in the unfolded position of the opening, being provided at each of its ends with at least three support points for guidance in at least three points along each of said rails.
Grâce à la conception de l'ouvrant, il en résulte, en dépit d'une conception légère dudit ouvrant, un parfait guidage de l'ouvrant lors de son passage de la position repliée à la position dépliée et inversement. De préférence, la traverse de tête s'étend à recouvrement du cadre le plus au- dessus de la pile de cadres en position repliée de l'ouvrant. Thanks to the design of the opening, it results, despite a light design of said opening, a perfect guidance of the opening during its passage from the folded position to the unfolded position and vice versa. Preferably, the crosshead extends overlapping the frame above the stack of frames in the folded position of the opening.
De préférence, les moyens de délimitation d'un espace de rangement de l'ouvrant comprennent des moyens de délimitation d'un premier chemin de guidage s'étendant sensiblement à angle droit des rails de guidage et le long duquel la structure pliable est apte à coulisser pour le passage de l'ouvrant de la position repliée à la position dépliée et inversement, et des moyens de délimitation d'un deuxième chemin de guidage le long duquel la traverse de tête est apte à coulisser pour le passage de l'ouvrant de la position repliée à la position dépliée et inversement, ce deuxième chemin de guidage étant disposé dans le prolongement du chemin de guidage formé par les rails de guidage et séparé desdits rails par une zone d'interruption, la distance entre rail et deuxième chemin de guidage étant inférieure au moins à la distance entre deux des points d'appui de la traverse de tête disposés au niveau d'une même extrémité de ladite traverse de tête. Preferably, the means for delimiting a storage space of the opening comprise means for delimiting a first guide path extending substantially at right angles to the guide rails and along which the foldable structure is adapted to slide for the passage of the opening from the folded position to the unfolded position and vice versa, and delimiting means of a second guide path along which the head rail is slidable for the passage of the opening of the folded position to the unfolded position and vice versa, this second guide path being arranged in the extension of the guide path formed by the guide rails and separated from said rails by an interruption zone, the distance between rail and second guide path being at least less than the distance between two of the points of support of the head beam disposed at the same end of said head beam.
La zone d'interruption permet aux écarteurs de remplir leur office pendant la phase de repli de la structure pliable, pour un pliage en accordéon de la couverture à l'intérieur de l'espace de rangement. Grâce à la conception de ses points d'appui, la traverse de tête passe dans cette zone d'interruption sans tomber ou basculer au niveau de cette zone. The interruption zone allows the spacers to fill their office during the folding phase of the foldable structure, for an accordion folding of the cover inside the storage space. Thanks to the design of its points of support, the crosshead passes through this interrupt zone without falling or tilting at this zone.
De préférence, le dispositif comprend, sous la zone d'interruption, associées chacune à un rail, deux rampes inclinées pour le guidage de la structure pliable entre la zone s'étendant à l'aplomb et sous le deuxième chemin de guidage et les rails, chaque rampe associée à un rail étant à pente descendante depuis le rail auquel elle est associée vers la zone s'étendant à l'aplomb et sous le deuxième chemin de guidage en configuration d'utilisation du dispositif. Ainsi, la structure pliable est guidée pendant tout son déplacement. Preferably, the device comprises, under the interruption zone, each associated with a rail, two inclined ramps for guiding the foldable structure between the zone extending vertically and under the second guide path and the rails , each ramp associated with a rail being downwardly sloping from the rail with which it is associated to the area extending plumb and under the second guide path in the configuration of use of the device. Thus, the foldable structure is guided during all its movement.
De préférence, chaque point d'appui de la traverse de tête est formé par un organe roulant rotatif. De même, les arceaux sont, pour leur montage mobile à coulissement le long des rails de guidage en position dépliée de l'ouvrant, munis, à chacune de leurs extrémités, d'un organe roulant rotatif et les écarteurs sont, en position dépliée de l'ouvrant, montés mobiles à coulissement le long des rails de guidage par l'intermédiaire d'organes roulants rotatifs. Enfin, les rails comprennent des moyens d'emprisonnement par le dessus desdits organes roulants rotatifs et la zone d'interruption est exempte desdits moyens d'emprisonnement. Preferably, each bearing point of the head beam is formed by a rotating rolling member. Likewise, the hoops are, for their mobile assembly to sliding along the guide rails in the unfolded position of the opening, provided at each of their ends with a rotary rolling member and the spacers are, in the unfolded position of the opening, movably mounted to slide along the rails guidance via rotating rolling members. Finally, the rails comprise means of imprisonment from above of said rotating rolling bodies and the interruption zone is free from said means of imprisonment.
De préférence, au moins deux des organes roulants rotatifs de la traverse de tête présentent des axes de rotation non parallèles pour un guidage suivant au moins deux directions de ladite traverse de tête le long des rails. Preferably, at least two of the rotating rolling members of the head beam have non-parallel axes of rotation for guiding along at least two directions of said head beam along the rails.
De préférence, l'axe de rotation de l'organe roulant rotatif de chaque arceau est au niveau dudit arceau, disposé parallèle, et de préférence confondu, avec l'axe longitudinal dudit arceau. Il en résulte un pivotement plus aisé des cadres au niveau de la zone d'interruption. De préférence, le dispositif comprend des moyens élastiquement déformables de liaison entre l'ouvrant et le dormant, ces moyens de liaison élastiquement déformables étant configurés pour un maintien, dans l'espace de rangement, du dessus de la structure pliable de l'ouvrant à une hauteur sensiblement constante aussi bien en position repliée de l'ouvrant à l'état empilé de l'ensemble des cadres qu'en position dépliée de l'ouvrant, lorsque le poids d'au moins une partie des cadres est repris par les rails de guidage. Il en résulte une facilité de repli et de déploiement de la structure pliable de l'ouvrant. Preferably, the axis of rotation of the rotary rolling member of each arch is at said hoop, arranged parallel, and preferably coincidental, with the longitudinal axis of said hoop. This results in easier pivoting of the frames in the area of interruption. Preferably, the device comprises elastically deformable connection means between the opening and the frame, these elastically deformable connecting means being configured for holding, in the storage space, the top of the foldable structure of the opening frame. a substantially constant height both in the folded position of the opening in the stacked state of all the frames in unfolded position of the opening, when the weight of at least a portion of the frames is taken up by the rails guidance. This results in ease of folding and deployment of the foldable structure of the opening.
De préférence, les moyens de liaison élastiquement déformables comprennent au moins une poulie solidaire du dormant, une poulie couplée au dormant par un ressort, un câble de liaison entre dormant et ouvrant, mouflé sur chacune des poulies. Preferably, the elastically deformable connecting means comprise at least one pulley secured to the frame, a pulley coupled to the frame by a spring, a connecting cable between the frame and the door, which is slid on each of the pulleys.
Ce montage permet de réduire l'effort physique à produire pour le repli ou le déploiement de la structure pliable et limite l'encombrement du ressort. De préférence, la structure pliable de l'ouvrant comprend, disposé à l'intérieur de l'espace de rangement, un support de la partie de la structure pliable formée de la pile de cadres, et le câble de liaison est, au niveau de l'ouvrant, couplé au support de la pile de cadres de l'ouvrant. Selon une caractéristique avantageuse, au moins les écarteurs et les arceaux des cadres dits intermédiaires, disposés entre les cadres dits d'extrémité formant les extrémités de la pile de cadres, se présentent chacun sous forme d'une barre munie à ou au voisinage de chacune de ses extrémités d'une rondelle entretoise, chaque rondelle entretoise d'un cadre étant en contact d'appui avec la rondelle entretoise d'un cadre adjacent superposé en position repliée de l'ouvrant. La présence de ces rondelles entretoises permet un maintien en position sensiblement horizontale des cadres de la pile de cadres en position repliée de l'ouvrant. This arrangement reduces the physical effort to produce for folding or deployment of the foldable structure and limits the size of the spring. Preferably, the foldable structure of the opening comprises, arranged inside the storage space, a support of the portion of the foldable structure formed of the stack of frames, and the connecting cable is, at the level of the opening, coupled to the support of the stack of frames of the opening. According to an advantageous characteristic, at least the spacers and the arches of the so-called intermediate frames, arranged between the so-called end frames forming the ends of the stack of frames, are each in the form of a bar provided at or near each of its ends of a spacer washer, each spacer washer of a frame being in bearing contact with the spacer washer of a superposed adjacent frame in the folded position of the opening. The presence of these spacers washers allows maintenance in substantially horizontal position frames of the stack of frames in the folded position of the opening.
Selon une autre disposition avantageuse, la couverture souple de type bâche qui couple le cadre le plus au-dessus de la pile à l'état empilé de l'ensemble des cadres et la traverse de tête, forme une liaison de type pont entre ledit cadre et la traverse de tête. According to another advantageous arrangement, the tarpaulin-type flexible cover which couples the most stacked frame above the pile in the stacked state of all the frames and the head beam, forms a bridge-type connection between said frame. and the crosshead.
L'invention a encore pour objet une installation comprenant une cavité ouverte par le dessus et un dispositif d'obturation de ladite cavité, caractérisée en ce que le dispositif d'obturation est du type précité. The invention also relates to an installation comprising a cavity open from above and a device for closing said cavity, characterized in that the closure device is of the aforementioned type.
L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels : The invention will be better understood on reading the following description of exemplary embodiments, with reference to the appended drawings in which:
- La figure 1 représente une vue en perspective d'un dispositif d'obturation conforme à l'invention en configuration d'utilisation, en position dépliée de fermeture de l'espace inter rails de l'ouvrant. - Figure 1 shows a perspective view of a closure device according to the invention in the configuration of use, in unfolded position of closing the inter-rail space of the opening.
- La figure 2 représente une vue en perspective d'un dispositif d'obturation conforme à l'invention en position repliée de l'ouvrant. - La figure 3 représente une vue partielle en perspective d'un dispositif d'obturation prise au niveau de l'espace de rangement, en position repliée de l'ouvrant. - Figure 2 shows a perspective view of a closure device according to the invention in the folded position of the opening. - Figure 3 shows a partial perspective view of a closure device taken at the storage space, in the folded position of the opening.
- La figure 4 représente une vue partielle en perspective d'un dispositif d'obturation prise au niveau de l'espace de rangement, en position d'initiation du déploiement de l'ouvrant. - Figure 4 shows a partial perspective view of a closure device taken at the storage space in the opening position of the deployment of the opening.
- La figure 5 représente une vue partielle en perspective d'un dispositif d'obturation prise au niveau de l'espace de rangement, en position de fin de déploiement de l'ouvrant. - La figure 6 représente une vue en perspective de la traverse de tête. - Figure 5 shows a partial perspective view of a closure device taken at the storage space in the end position of deployment of the opening. - Figure 6 shows a perspective view of the crosshead.
- La figure 7 représente une vue en perspective de deux cadres adjacents de la structure pliable de l'ouvrant. - Figure 7 shows a perspective view of two adjacent frames of the foldable structure of the opening.
- La figure 8 représente une vue en perspective du couvercle de fermeture du dessus de l'espace de rangement. - La figure 9 représente une vue en perspective de la structure pliable de l'ouvrant en position repliée. - Figure 8 shows a perspective view of the closure lid of the top of the storage space. - Figure 9 shows a perspective view of the foldable structure of the opening in the folded position.
- La figure 10 représente une vue en perspective en élévation de la structure pliable de l'ouvrant, en position déployée. - Figure 10 shows a perspective view in elevation of the foldable structure of the opening, in the deployed position.
Comme mentionné ci-dessus, l'invention concerne un dispositif d'obturation au moins partielle d'une cavité 30 ouverte par le dessus. As mentioned above, the invention relates to a device for at least partial closure of a cavity 30 open from above.
Dans les exemples représentés, ladite cavité est formée par une fosse d'atelier se présentant sous forme d'une cavité enterrée de forme générale parallélépipédique délimitée par deux bords latéraux et deux bords d'extrémité, les bords latéraux et bords d'extrémité correspondant respectivement aux bords libres des parois latérales et des parois d'extrémité de la cavité. Les bords d'extrémité sont généralement munis d'escaliers pour permettre l'accès à l'intérieur de la fosse. In the examples shown, said cavity is formed by a workshop pit in the form of a buried cavity of parallelepipedal general shape delimited by two lateral edges and two end edges, the lateral edges and respective end edges respectively to the free edges of the side walls and end walls of the cavity. The end edges are usually provided with stairs to allow access to the inside of the pit.
Le dispositif aurait pu, de manière équivalente, s'appliquer à un bassin tel qu'un bassin de piscine ou autres. The device could have similarly applied to a pool such as a pool or other pool.
Le dispositif 1 d'obturation comprend un ouvrant 2 pliable et un dormant 3. Le dormant 3 comprend deux rails 4 de guidage parallèles, positionnables le long de deux bords opposés, en l'occurrence ici les bords latéraux de la cavité 30 et des moyens 5 de délimitation d'un espace 6 de rangement de l'ouvrant 2. Cet espace 6 de rangement s'étend à une extrémité des rails de guidage et au moins partiellement sous le plan passant par les rails de guidage en configuration d'utilisation du dispositif, pour permettre le passage de l'ouvrant 2 déplaçable à coulissement le long du dormant 3, d'une position repliée à l'intérieur de l'espace 6 de rangement dans laquelle il libère au moins partiellement l'espace inter rails 4 à une position dépliée de fermeture au moins partielle de l'espace inter rails 4 et inversement. The closure device 1 comprises a foldable opening 2 and a frame 3. The frame 3 comprises two parallel guide rails 4, positionable along two opposite edges, in this case the lateral edges of the cavity 30 and means 5 of delimitation of a storage space 6 of the opening 2. This storage space 6 extends at one end of the guide rails and at least partially under the plane passing through the guide rails in the configuration of use of the device, to allow the passage of the opening 2 slidingly movable along the frame 3, a folded position inside the storage space 6 in which it releases at least partially the inter-rail space 4 to an unfolded position of at least partial closure of the inter-rail space 4 and vice versa.
Cet espace 6 de rangement est donc disposé au niveau d'une paroi d'extrémité de la cavité. This storage space 6 is therefore disposed at an end wall of the cavity.
L'ouvrant 2 comprend quant à lui une traverse 7 dite de tête, une structure 8 pliable en accordéon et une couverture 9 souple de type bâche couplable à la structure 8 pliable et à la traverse 7 de tête. The opening 2 comprises a crossbar 7 said head, a foldable structure 8 accordion and a cover 9 flexible tarpaulin type couplable to the foldable structure 8 and the crosshead 7 head.
La structure 8 pliable comprend des traverses appelées arceaux 10 s'étendant entre les rails 4 de guidage et montées mobiles à coulissement le long desdits rails 4 en position dépliée de l'ouvrant 2 et des écarteurs 1 1 de la couverture 9 du plan de coulissement des arceaux 10. Les écarteurs 1 1 , actifs lors du repli de l'ouvrant 2 s'étendent parallèlement aux arceaux et sont couplés aux arceaux 10 par l'intermédiaire de deux biellettes 12. Biellettes 12, arceaux 10 et écarteurs 1 1 forment à chaque fois un cadre. The foldable structure 8 comprises crosspieces called hoops 10 extending between the guide rails 4 and movably mounted to slide along said rails 4 in the unfolded position of the opening 2 and the spacers 1 1 of the cover 9 of the sliding plane. 10. The retractors 1 1 active during the folding of the opening 2 extend parallel to the arches and are coupled to the arches 10 by means of two rods 12. Links 12, arches 10 and spacers 1 1 each form a frame.
Les cadres 13 sont, en configuration d'utilisation du dispositif 1 , disposés à l'état empilé de manière superposée en position repliée de l'ouvrant 2 et dans le prolongement l'un de l'autre en appui sur les rails 4 en position dépliée de l'ouvrant 2, pour former une file de cadres. The frames 13 are, in the configuration of use of the device 1, arranged in stacked state superimposed in the folded position of the opening 2 and in the extension of one of the other bearing on the rails 4 in position unfolded from the opening 2, to form a line of frames.
Le cadre 13 le plus au-dessus de la pile à l'état empilé de l'ensemble des cadres 13 est couplé par la couverture 9 à la traverse 7 de tête. Cette traverse 7 de tête montée par chacune de ses extrémités mobile à coulissement le long des rails 4 de guidage en position dépliée de l'ouvrant 2 est munie à chacune de ses extrémités d'au moins trois points 14 d'appui pour un guidage en au moins trois points le long de chacun desdits rails. The frame 13 at the top of the pile in the stacked state of the set of frames 13 is coupled by the cover 9 to the crosshead 7 head. This crosshead 7 mounted by each of its movable ends sliding along the guide rails 4 in the unfolded position of the opening 2 is provided at each of its ends with at least three points 14 for support for a guide. at least three points along each of said rails.
Cette traverse 7 de tête s'étend à recouvrement du cadre 13 le plus au-dessus de la pile de cadres, en position repliée de l'ouvrant et au niveau de l'extrémité des rails la plus éloignée de l'espace 6 de rangement en position dépliée de l'ouvrant dans laquelle elle ferme l'espace inter rails comme illustré à la figure 2. This cross head 7 extends overlapping frame 13 at the top of the stack of frames, in the folded position of the opening and at the end of the rails farthest from the storage space 6 in the unfolded position of the opening in which it closes the inter-rail space as shown in FIG.
Dans cette position de déploiement extrême de l'ouvrant, l'espace 6 de rangement qui est surmonté d'un couvercle 29 peut être masqué par ledit couvercle, qui occupe une position fermée. Ce couvercle 29 est équipé d'un ressort de torsion d'aide au passage du couvercle de la position fermée à la position ouverte de l'espace 6 de rangement. Cette position ouverte du couvercle 29 correspond à la position occupée par le couvercle pendant les phases de manœuvre de l'ouvrant. La traverse 7 de tête est munie de moyens de verrouillage, non représentés, aptes à coopérer avec des moyens de verrouillage complémentaires portés par la face d'extrémité de la cavité que la traverse jouxte en position dépliée de l'ouvrant pour permettre un maintien de la traverse dans ladite position. In this position of extreme deployment of the opening, the storage space 6 which is surmounted by a cover 29 may be masked by said cover, which occupies a closed position. This cover 29 is equipped with a torsion spring for assisting the passage of the lid from the closed position to the open position of the storage space 6. This open position of the cover 29 corresponds to the position occupied by the cover during the maneuvering phases of the opening. The crosshead 7 is provided with locking means, not shown, adapted to cooperate with complementary locking means carried by the end face of the cavity that the cross adjoins the unfolded position of the opening to allow maintenance of the crossbar in said position.
Dans l'exemple représenté, chaque point 14 d'appui de la traverse 7 de tête est formé par un organe 17 roulant rotatif du genre galet. Au moins deux des organes 17 roulants rotatifs de la traverse 7 de tête présentent des axes de rotation non parallèles, pour un guidage suivant au moins deux directions de ladite traverse 7 de tête le long des rails 4 de guidage. Ainsi, la traverse 7 de tête comprend, à chacune de ses extrémités, dans l'exemple représenté à la figure 6, deux organes 17 roulants positionnables en appui sur le fond du rail 4 de guidage qui affecte la forme d'un U couché ouvert en direction de l'autre rail et trois organes 17 roulants positionnables en appui sur la branche inférieure du U dudit rail. Les arceaux 10 et les écarteurs 1 1 se présentent quant à eux chacun sous forme d'une barre. Ces arceaux 10 et écarteurs 1 1 sont, pour leur montage mobile à coulissement le long des rails 4 de guidage en position dépliée de l'ouvrant, munis à chacune de leurs extrémités d'un organe roulant rotatif, cet organe roulant rotatif étant représenté en 18 pour les arceaux 10 et en 19 pour les écarteurs 1 1 . In the example shown, each point 14 of support of the crossbar 7 head is formed by a rotary rolling member 17 of the roller type. At least two of the rotating rolling members 17 of the crosshead 7 have non-parallel axes of rotation, for a guide along at least two directions of said crosshead 7 along the guide rails 4. Thus, the crosshead 7 comprises, at each of its ends, in the example shown in Figure 6, two rolling members 17 positionable bearing on the bottom of the guide rail 4 which has the shape of a U lying open in the direction of the other rail and three 17 rolling members positionable bearing on the lower branch of the said U rail. The arches 10 and spacers 1 1 are each in the form of a bar. These hoops 10 and spacers 1 1 are, for their movable mounting sliding along the guide rails 4 in the unfolded position of the opening, provided at each of their ends with a rotary rolling member, this rotating rolling member being shown in FIG. 18 for the hoops 10 and 19 for the spreaders 1 1.
L'axe de rotation de l'organe 18 roulant rotatif de chaque arceau 10 est, au niveau dudit arceau 10, disposé parallèle et ici confondu avec l'axe longitudinal de l'arceau 10. Il en est de même de l'axe de rotation de l'organe 19 roulant rotatif de chaque écarteur U , disposé confondu avec l'axe longitudinal dudit écarteur. The axis of rotation of the rotating rotating member 18 of each arch 10 is, at said hoop 10, disposed parallel and here coincides with the longitudinal axis of the hoop 10. It is the same with the axis of rotation of the rotating rolling member 19 of each spacer U, disposed coincident with the longitudinal axis of said spacer.
En outre, chaque écarteur ou arceau est muni à ou au voisinage de chacune de ses extrémités d'une rondelle 26 entretoise. Ainsi, en position repliée de l'ouvrant dans laquelle les écarteurs 1 1 s'étendent à l'état superposé comme illustré à la figure 4, les rondelles entretoises desdits écarteurs sont en appui l'une sur l'autre. De même, les arceaux 10 s'étendent à l'état superposé avec les rondelles 26 entretoises desdits arceaux en appui l'une sur l'autre. Ces rondelles 26 entretoises permettent un maintien des cadres 13 dans un plan sensiblement horizontal. On note que les rondelles 26 entretoises sont disposées sur l'écarteur, ou respectivement sur l'arceau, à l'intérieur de l'intervalle délimité par les organes de roulement de l'écarteur, ou respectivement de l'arceau. Chaque cadre 13 est donc, comme illustré à la figure 7, formé de deux biellettes 12 sensiblement parallèles, d'un arceau 10 et d'un écarteur 1 1 parallèle à l'arceau 10, arceau 10 et écarteur 1 1 étant reliés entre eux par les biellettes 12 couplées à pivotement à l'arceau et à l'écarteur. In addition, each spacer or arch is provided at or near each of its ends with a washer 26 spacer. Thus, in the folded position of the opening in which the spacers 1 1 extend to the superimposed state as shown in Figure 4, the spacers washers of said spacers are in abutment on one another. Similarly, the arches 10 extend in the superimposed state with the washers 26 spacers of said arches resting on one another. These spacers 26 washers allow maintenance of the frames 13 in a substantially horizontal plane. Note that the spacers 26 washers are arranged on the spacer, or respectively on the hoop, inside of the interval delimited by the rolling members of the spacer, or respectively of the arch. Each frame 13 is therefore, as illustrated in FIG. 7, formed of two substantially parallel links 12, a hoop 10 and a spacer 1 1 parallel to the hoop 10, hoop 10 and spacer 1 1 being interconnected. by the links 12 pivotally coupled to the arch and the spacer.
Chaque cadre intermédiaire entre les cadres d'extrémité partage donc un écarteur ou un arceau avec le cadre adjacent. La série de cadres adjacents forme donc une pile de cadres repliable en accordéon à l'intérieur de l'espace 6 de rangement, comme illustré à la figure 4. La structure pliable de l'ouvrant comprend encore, disposé à l'intérieur de l'espace 6 de rangement, un support 20 de la pile de cadres 13. Ce support 20 se présente ici sous forme d'un plateau coulissant. En effet, les moyens 5 de délimitation d'un espace 6 de rangement de l'ouvrant 2 comprennent des moyens de délimitation d'un premier chemin 51 de guidage s'étendant sensiblement à angle droit des rails 4 de guidage et le long duquel la structuré e pliable est apte à coulisser, pour le passage de l'ouvrant 2 de la position repliée à la position dépliée et inversement, et des moyens de délimitation d'un deuxième chemin 52 de guidage le long duquel la traverse 7 de tête est apte à coulisser pour le passage de l'ouvrant 2 de la position repliée à la position dépliée et inversement. Ce deuxième chemin 52 de guidage est disposé dans le prolongement du chemin de guidage formé par les rails 4 de guidage et séparé desdits rails 4 par une zone 15 d'interruption. La distance entre rails 4 et deuxième chemin 52 de guidage est inférieure à la distance entre deux des points d'appui de la traverse 7 de tête disposés au niveau d'une même extrémité de ladite traverse 7 de tête. Il est à noter que dans l'expression le premier chemin de guidage s'étend sensiblement à angle droit des rails de guidage, il convient d'entendre le fait que le premier chemin de guidage forme, avec les rails de guidage, un angle égal à 90° plus ou moins 10°. Le support 20 de la pile de cadres de l'ouvrant est donc déplaçable à coulissement le long de montants formant le premier chemin 51 de guidage. Le deuxième chemin 52 de guidage est, quant à lui, formé de deux rails en U en regard, destinés à recevoir à coulissement la traverse 7 de tête en position repliée de l'ouvrant pour permettre à ladite traverse 7 de tête de s'étendre dans ladite position au-dessus de la pile de cadres. Each intermediate frame between the end frames therefore shares a spacer or hoop with the adjacent frame. The series of adjacent frames therefore forms an accordion folding stack of frames inside the storage space 6, as shown in FIG. 4. The foldable structure of the opening further comprises, arranged inside the storage space. 6 storage space, a support 20 of the stack of frames 13. This support 20 is here in the form of a sliding plate. Indeed, the means 5 for delimiting a storage space 6 of the opening 2 comprise delimiting means of a first guide path 51 extending substantially at right angles to the guide rails 4 and along which the structured e foldable is slidable, for the passage of the opening 2 from the folded position to the unfolded position and vice versa, and delimiting means of a second guide path 52 along which the crossbar 7 head is apt to slide for the passage of the opening 2 from the folded position to the unfolded position and vice versa. This second guide path 52 is arranged in the extension of the guide path formed by the guide rails 4 and separated from said rails 4 by an interruption zone 15. The distance between rails 4 and second guide path 52 is less than the distance between two of the points of support of the crosshead 7 arranged at the same end of said crosshead 7. It should be noted that in the expression the first guide path extends substantially at right angles to the guide rails, it should be understood that the first guide path forms, with the guide rails, an equal angle at 90 ° plus or minus 10 °. The support 20 of the stack of frames of the opening is thus displaceable in sliding along amounts forming the first guide path 51. The second guide path 52 is, for its part, formed of two U-shaped rails opposite, intended to slidably receive the head beam 7 in the folded position of the opening to allow said crosshead 7 to extend in said position above the stack of frames.
L'ensemble formé par le support 20, la pile de cadres 13 et la traverse 7 de tête en position à l'intérieur du deuxième chemin de guidage est surmonté et masqué par le couvercle 29 décrit ci-dessus en position fermée du couvercle. Pour parfaire le guidage de la succession de cadres, le dispositif comprend, sous la zone 15 d'interruption, associées chacune à un rail, deux rampes 16 inclinées pour le guidage de la structure 8 pliable entre la zone s'étendant à l'aplomb et sous le deuxième chemin 52 de guidage et les rails 4. Chaque rampe 16 associée à un rail 4 est à pente descendante depuis le rail auquel elle est associée vers la zone s'étendant à l'aplomb et sous le deuxième chemin 52 de guidage, en configuration d'utilisation du dispositif 1 . Lesdites rampes 16 s'étendent de manière sensiblement parallèle entre elles. The assembly formed by the support 20, the stack of frames 13 and the crossbar 7 head in position within the second guide path is surmounted and masked by the cover 29 described above in the closed position of the cover. To complete the guidance of the succession of frames, the device comprises, under the interruption zone, each associated with a rail, two inclined ramps 16 for guiding the foldable structure 8 between the zone extending to the plumb. and under the second guide path 52 and the rails 4. Each ramp 16 associated with a rail 4 is downwardly sloping from the rail with which it is associated to the zone extending vertically and under the second guide path 52 , in the configuration of use of the device 1. Said ramps 16 extend substantially parallel to each other.
Les organes 18 de roulement équipant les arceaux 10 des cadres 13 tendent donc, au cours du passage de la position dépliée à la position repliée de l'ouvrant ou inversement, à rouler le long de ces rampes 16 de guidage. The rolling members 18 equipping the hoops 10 of the frames 13 thus tend, during the passage from the unfolded position to the folded position of the opening or vice versa, to roll along these guide ramps 16.
Le dispositif comprend encore des moyens 21 élastiquement déformables de liaison entre l'ouvrant 2 et le dormant 3. Ces moyens 21 de liaison élastiquement déformables sont configurés pour un maintien, dans l'espace 6 de rangement, du dessus de la structure 8 pliable de l'ouvrant 2, à une hauteur sensiblement constante, aussi bien en position repliée de l'ouvrant 2 à l'état empilé de l'ensemble des cadres 13 qu'en position dépliée de l'ouvrant 2, lorsque le poids d'au moins une partie des cadres 13 est repris par les rails 4 de guidage. Ces moyens 21 de liaison élastiquement déformables comprennent ici deux poulies 22 solidaires du dormant 3, une poulie 23 couplée au dormant 3 par un ressort 24 et un câble 25 de liaison entre dormant 3 et ouvrant 2 mouflé sur chacune des poulies 22, 23. Ce câble 25 de liaison est, au niveau de l'ouvrant 2, couplé au support 20 de la pile de cadres 13 de l'ouvrant 2. Ce câble s'enroule ensuite autour des deux poulies 22 disposées dans la partie haute de l'espace 6 de rangement. Ce câble s'enroule ensuite autour de la poulie 23 chargée par ressort 24 avant d'être fixée au dormant dans la partie supérieure de l'espace 6 de rangement. La poulie 23 chargée par ressort 24 est, quant à elle, rappelée par le ressort 24 vers la partie inférieure de l'espace 6 de rangement. Le ressort 24 hélicoïdal s'étend verticalement à l'intérieur de l'espace 6 de rangement et se détend, c'est-à-dire s'allonge, au fur et à mesure de l'abaissement de la pile de cadres à l'intérieur de l'espace 6 de rangement. À l'inverse, ce ressort 24 hélicoïdal se comprime, c'est-à-dire se rétrécit, au fur et à mesure de l'élévation du support 20 et de la pile de cadres à l'intérieur de l'espace 6 de rangement. The device further comprises elastically deformable connecting means 21 between the opening 2 and the frame 3. These elastically deformable connecting means 21 are configured to hold, in the storage space 6, the top of the foldable structure 8 of the opening 2, at a substantially constant height, both in the folded position of the opening 2 in the stacked state of all the frames 13 in the unfolded position of the opening 2, when the weight of the at least part of the frames 13 is taken up by the guide rails 4. These means 21 of elastically deformable connection here comprise two pulleys 22 integral with the frame 3, a pulley 23 coupled to the frame 3 by a spring 24 and a connecting cable 25 between the frame 3 and 2 opening on each of the pulleys 22, 23. 25 connecting cable is, at the opening 2, coupled to the support 20 of the stack of frames 13 of the opening 2. This cable then wraps around the two pulleys 22 arranged in the upper part of space 6 storage. This cable then wraps around the pulley 23 loaded by spring 24 before being fixed to the frame in the upper part of the storage space 6. The pulley 23 loaded by spring 24 is, in turn, returned by the spring 24 to the lower part of the storage space 6. The helical spring 24 extends vertically inside the storage space 6 and relaxes, that is to say, elongates, as the stack of frames is lowered. inside the 6 storage space. Conversely, this coil spring 24 compresses, that is to say narrows, as and when the support 20 and the stack of frames are raised inside the space 6 of storage.
Ces moyens 21 élastiquement déformables permettent ainsi de maintenir le dessus de la structure pliable à un niveau sensiblement constant, ce qui facilite les opérations d'obturation et de libération de l'ouverture de la cavité pour l'opérateur. These elastically deformable means 21 thus make it possible to maintain the top of the foldable structure at a substantially constant level, which facilitates the shutter and release operations of the opening of the cavity for the operator.
Le dessus de la structure pliable correspond au cadre supérieur de la pile de cadres 13 qui est transféré de la pile de cadres vers les rails 4 lors du déploiement de l'ouvrant en vue d'obturer au moins partiellement le dessus de la cavité 30 ou inversement au support 20 ou au cadre sur lequel les autres cadres doivent être empilés pour libérer au moins partiellement le dessus de la cavité lors du repli de l'ouvrant. The top of the foldable structure corresponds to the upper frame of the stack of frames 13 which is transferred from the stack of frames to the rails 4 during the deployment of the opening to seal at least partially the top of the cavity 30 or conversely to the support 20 or to the frame on which the other frames must be stacked to at least partially release the top of the cavity during the folding of the opening.
Lorsque le support 20 est allégé d'un cadre, du fait que le poids d'un cadre est repris par les rails 4, par équilibre de la force élastique du ressort 24 et du poids restant de la pile de cadres sur ledit support 20, le support 20 est relevé d'une hauteur correspondant à l'épaisseur du cadre retiré de la pile. À l'inverse, lorsque le support 20 est alourdi d'un cadre 13, le ressort 24 se détend et le support 20 s'abaisse d'une hauteur correspondant à l'épaisseur du cadre ajouté à la pile de cadres. La raideur du ressort est donc choisie proportionnelle au poids de la structure pliable que le ressort soutient. When the support 20 is lightened by a frame, since the weight of a frame is taken up by the rails 4, by balancing the elastic force of the spring 24 and the remaining weight of the stack of frames on said support 20, the support 20 is raised a height corresponding to the thickness of the frame removed from the stack. Conversely, when the support 20 is increased by a frame 13, the spring 24 relaxes and the support 20 is lowered by a height corresponding to the thickness of the frame added to the stack of frames. The stiffness of the spring is chosen proportional to the weight of the foldable structure that the spring supports.
Pour permettre le repli d'un cadre 13 et le transfert dudit cadre 13 des rails 4 vers l'espace de rangement, il est nécessaire de libérer le guidage des organes de roulement du cadre opéré au niveau des rails. Pour cette raison, la zone 15 d'interruption est exempte de moyens 27 d'emprisonnement par le dessus des organes 17, 18, 19 roulants rotatifs équipant le cadre, ces moyens 27 d'emprisonnement étant formés par la branche du dessus du U couché formant le rail 4 de guidage. To allow the folding of a frame 13 and the transfer of said frame 13 of the rails 4 to the storage space, it is necessary to release the guiding of the running members of the frame operated at the rails. For this reason, the interruption zone 15 is free from means of imprisonment above the rotating rolling members 17, 18, 19 fitted to the frame, these means of imprisonment being formed by the upper branch of the lying U. forming the guide rail 4.
Ainsi, dans cette zone 15 d'interruption, les organes 18 roulants rotatifs de deux arceaux 10 de deux cadres successifs roulant le long des rampes inclinées ont tendance à se rapprocher l'un de l'autre au cours du transfert de la paire de cadres des rails vers l'espace 6 de rangement, tandis que l'écarteur commun aux deux cadres successifs s'écarte de la rampe inclinée par pivotement autour de l'arceau pénétrant le premier dans l'espace 6 de rangement. Pour le transfert de la paire de cadres de l'espace 6 de rangement vers les rails, le déplacement inverse s'opère. Thus, in this interruption zone, the rotating rolling members 18 of two arches 10 of two successive frames rolling along the inclined ramps tend to come closer to each other during the transfer of the pair of frames. rails to the storage space 6, while the spacer common to the two successive frames deviates from the inclined ramp by pivoting around the arch penetrating first in the storage space 6. For the transfer of the pair of frames from the storage space 6 to the rails, the reverse movement takes place.
La couverture 9 souple qui est ici une couverture de type bâche, couple le cadre le plus au-dessus de la pile à l'état empilé de l'ensemble des cadres et la traverse 7 de tête, en formant une liaison de type pont entre ledit cadre et la traverse 7 de tête. Cette couverture 9 est, pour son couplage à la traverse et au cadre, munie par exemple de fourreaux à l'intérieur desquels un arceau du cadre et, par exemple une barre associée à la traverse 7 de tête, sont aptes à s'insérer. Les autres cadres peuvent également être couplés à la couverture par coopération d'un arceau de chaque cadre avec un fourreau de la couverture. Cette couverture vient, en position dépliée de l'ouvrant, à recouvrement de la file de cadres qui est ainsi entièrement masquée. The flexible cover 9 which is here a tarpaulin-type cover, couples the most stacked frame above the pile to the stacked state of all of the frames and the head crossbar 7, forming a bridge type connection between said frame and the crosshead 7 head. This cover 9 is, for its coupling to the cross member and the frame, provided for example with sheaths within which a hoop of the frame and, for example a bar associated with the crosshead 7 head, are adapted to be inserted. The other frames can also be coupled to the cover by cooperation of a hoop of each frame with a sheath of the blanket. This cover comes, unfolded position of the opening, covering the row of frames which is thus completely hidden.
Le passage de la position pliée à la position dépliée de l'ouvrant, et inversement, peut s'opérer manuellement ou de manière automatique lorsqu'au moins les organes roulants rotatifs de la traverse de tête sont motorisés. En cas d'actionnement manuel, la traverse 7 de tête peut être équipée d'une sangle sur laquelle l'opérateur agit pour déplacer la traverse 7 de tête. The passage from the folded position to the unfolded position of the opening, and vice versa, can be carried out manually or automatically when at least the rotating rolling members of the head beam are motorized. In the case of manual actuation, the head crossbar 7 may be equipped with a strap on which the operator acts to move the crossbar 7 head.
Le fonctionnement d'un dispositif d'obturation tel que décrit ci-dessus s'opère donc comme suit : on suppose que la structure pliable de l'ouvrant est en position repliée à l'intérieur de l'espace 6 de rangement, avec la traverse 7 de tête logée dans le deuxième chemin de guidage, au-dessus de la pile de cadres repliés en accordéon avec les arceaux des cadres s'étendant d'un même côté des plis de l'accordéon et les écarteurs de l'autre côté des plis, comme illustré. Le support 20 de la pile de cadres est donc en position abaissée et le ressort 24 allongé au maximum. Le couvercle 29 est fermé. The operation of a closure device as described above is therefore as follows: it is assumed that the folding structure of the opening is in the folded position inside the storage space 6, with the head crossbar 7 housed in the second guide path, above the stack of frames folded accordion with the hoops of the frames extending on one side of the folds of the accordion and the spacers on the other side folds, as shown. The support 20 of the stack of frames is thus in the lowered position and the spring 24 elongated to the maximum. The lid 29 is closed.
L'opérateur ouvre le couvercle 29, saisit la sangle reliée à la traverse 7 de tête et entraîne en déplacement à coulissement la traverse 7 de tête pour son passage du deuxième chemin de guidage aux rails 4 de guidage. La poursuite du déplacement à coulissement de la traverse 7 de tête le long des rails de guidage entraîne, via la couverture qui relie la traverse 7 de tête au cadre le plus au-dessus de la pile de cadres, le déplacement à coulissement de l'arceau du premier cadre le long de la rampe inclinée jusqu'aux rails et, parallèlement, par traction des biellettes sur l'écarteur, le soulèvement de l'écarteur dudit cadre par pivotement autour de l'arceau du cadre immédiatement en dessous, appelé cadre inférieur, puis soulèvement dudit cadre inférieur dont l'arceau se déplace à coulissement le long des rampes inclinées, avant de provoquer le déplacement des cadres au-dessous. The operator opens the lid 29, grasps the strap connected to the head crossbar 7 and slidably drives the crosshead 7 head for its passage from the second guide path to the guide rails 4. Continued sliding movement of the head beam 7 along the guide rails, via the cover connecting the leading beam 7 to the frame above the stack of frames, causes the sliding movement of the hoop of the first frame along the inclined ramp to the rails and, in parallel, by pulling the links on the spreader, raising the spacer of said frame by pivoting around the hoop of the frame immediately below, called frame lower, then lifting said lower frame whose bow moves slidably along the inclined ramps, before causing the displacement of the frames below.
Le déplacement de la traverse 7 de tête avec, en parallèle, le dépilement des cadres est poursuivi jusqu'au degré de fermeture souhaité. Au cours de ce dépilement des cadres, le support 20 se soulève pour que le dessus de la structure pliable de l'ouvrant reste dans l'espace de rangement sensiblement au niveau du point bas des rampes inclinées. Lorsque la traverse 7 de tête atteint l'extrémité libre des rails, le déploiement de l'ouvrant est achevé et la traverse 7 de tête peut être immobilisée dans sa position finale. The displacement of the crosshead 7 with, in parallel, unstacking frames is continued to the desired degree of closure. During this unstacking of the frames, the support 20 is raised so that the top of the foldable structure of the opening remains in the storage space substantially at the low point of the inclined ramps. When the crosshead 7 reaches the free end of the rails, the deployment of the opening is completed and the crosshead 7 can be immobilized in its final position.
Pour le repli de l'ouvrant, on procède de manière inverse, en entraînant la traverse le long des rails, jusqu'au deuxième chemin de guidage. For the folding of the opening, it proceeds in the opposite way, driving the cross member along the rails to the second guide path.

Claims

REVENDICATIONS
1 . Dispositif (1 ) d'obturation au moins partielle d'une cavité (30) ouverte par le dessus, ledit dispositif (1 ) comprenant un ouvrant (2) pliable et un dormant (3), ledit dormant (3) comprenant deux rails (4) de guidage positionnables le long de deux bords opposés de la cavité (30), et des moyens (5) de délimitation d'un espace (6) de rangement de l'ouvrant (2), cet espace (6) de rangement s'étendant à une extrémité desdits rails (4) de guidage et au moins partiellement sous le plan formé par les rails de guidage en configuration d'utilisation du dispositif pour permettre le passage de l'ouvrant (2), déplaçable à coulissement le long du dormant (3), d'une position repliée à l'intérieur de l'espace (6) de rangement, dans laquelle il libère au moins partiellement l'espace inter rails (4) à une position dépliée de fermeture au moins partielle de l'espace inter rails (4), et inversement, 1. Device (1) at least partially closing a cavity (30) open from above, said device (1) comprising a foldable opening (2) and a frame (3), said frame (3) comprising two rails ( 4) positionable along two opposite edges of the cavity (30), and means (5) for delimiting a space (6) for storing the opening (2), this space (6) storage extending at one end of said guide rails (4) and at least partially under the plane formed by the guide rails in the configuration of use of the device to allow the passage of the opening (2), slidingly movable along of the frame (3), a position folded inside the storage space (6), in which it releases at least partially the inter-rail space (4) to an unfolded position of at least partial closure of the inter-rail space (4), and conversely,
caractérisé en ce que l'ouvrant (2) comprend une traverse (7) dite de tête, une structure (8) pliable en accordéon, et une couverture (9) souple de type bâche couplable à la structure (8) pliable et à la traverse (7) de tête, ladite structure (8) pliable comprenant des traverses parallèles appelées arceaux (10) s'étendant entre les rails (4) de guidage et montées mobiles à coulissement le long desdits rails (4) en position dépliée de l'ouvrant (2), des écarteurs (1 1 ) de la couverture (9) du plan de coulissement des arceaux (10), lesdits écarteurs (1 1 ), actifs lors du repli de l'ouvrant (2), étant couplés aux arceaux (10) par l'intermédiaire de biellettes (12), biellettes (12), arceau (10) et écarteur (1 1 ) formant à chaque fois un cadre (13), lesdits cadres (13) étant, en configuration d'utilisation du dispositif (1 ), disposés, à l'état empilé de manière superposée en position repliée de l'ouvrant (2), et dans le prolongement l'un de l'autre en appui sur les rails (4) en position dépliée de l'ouvrant (2) pour former une file de cadres (13), le cadre (13) le plus au-dessus de la pile à l'état empilé de l'ensemble des cadres (13) étant couplé par la couverture (9) à la traverse (7) de tête, cette traverse (7) de tête, montée par chacune de ses extrémités mobile à coulissement le long des rails (4) de guidage en position dépliée de l'ouvrant (2), étant munie, à chacune de ses extrémités, d'au moins trois points (14) d'appui pour un guidage en au moins trois points le long de chacun desdits rails (4). characterized in that the opening (2) comprises a crossbar (7) said head, a structure (8) foldable accordion, and a cover (9) flexible tarpaulin type couplable to the structure (8) foldable and to the head crossbar (7), said foldable structure (8) comprising parallel crosspieces called hoops (10) extending between the guide rails (4) and movably mounted to slide along said rails (4) in the extended position of the opening (2) spacers (1 1) of the cover (9) of the sliding plane of the hoops (10), said spacers (1 1), active during the folding of the opening (2), being coupled to hoops (10) by means of rods (12), rods (12), hoop (10) and spacer (1 1) each forming a frame (13), said frames (13) being in the configuration of use of the device (1), arranged, in stacked state superimposed in the folded position of the opening (2), and in the extension of one another in support on the rails (4) in the unfolded position of the opening (2) to form a row of frames (13), the frame (13) the most above the pile in the stacked state of the set of frames (13) being coupled by the cover (9) to the crosshead (7) head, the crosshead (7) head mounted by each of its sliding ends along the rails (4) of the guide in the unfolded position of the opening (2) being provided at each of its ends with at least three points (14) of support for guidance at least three points along each of said rails (4).
2. Dispositif (1 ) d'obturation selon la revendication 1 , 2. Device (1) shutter according to claim 1,
caractérisé en ce que la traverse (7) de tête s'étend à recouvrement du cadre (13) le plus au-dessus de la pile de cadres en position repliée de l'ouvrant (2). characterized in that the head beam (7) extends overlapping the frame (13) above the stack of frames in the folded position of the opening (2).
3. Dispositif (1 ) d'obturation selon l'une des revendications précédentes, caractérisé en ce que les moyens (5) de délimitation d'un espace (6) de rangement de l'ouvrant (2) comprennent des moyens de délimitation d'un premier chemin (51 ) de guidage s'étendant sensiblement à angle droit des rails (4) de guidage et le long duquel la structure (8) pliable est apte à coulisser pour le passage de l'ouvrant (2) de la position repliée à la position dépliée et inversement, et des moyens de délimitation d'un deuxième chemin (52) de guidage le long duquel la traverse (7) de tête est apte à coulisser pour le passage de l'ouvrant (2) de la position repliée à la position dépliée et inversement, ce deuxième chemin (52) de guidage étant disposé dans le prolongement du chemin de guidage formé par les rails (4) de guidage et séparé desdits rails (4) par une zone (15) d'interruption, la distance entre rail (4) et deuxième chemin (52) de guidage étant inférieure au moins à la distance entre deux des points d'appui de la traverse (7) de tête disposés au niveau d'une même extrémité de ladite traverse (7) de tête. 3. Device (1) shutter according to one of the preceding claims, characterized in that the means (5) for delimiting a space (6) for storage of the opening (2) comprise delimiting means d a first guide path (51) extending substantially at right angles to the guide rails (4) and along which the foldable structure (8) is slidable for the passage of the opening (2) from the position folded to the unfolded position and vice versa, and delimiting means of a second guide path (52) along which the head beam (7) is slidable for the passage of the opening (2) of the position folded to the unfolded position and vice versa, this second guide path (52) being arranged in the extension of the guide path formed by the guide rails (4) and separated from said rails (4) by an interruption zone (15) , the distance between rail (4) and second guiding path (52) being less than at least the distance between two points of support of the sleeper (7) head disposed at one end of said cross member (7) head.
4. Dispositif (1 ) d'obturation selon la revendication 3, 4. Device (1) shutter according to claim 3,
caractérisé en ce que le dispositif (1 ) comprend, sous la zone (15) d'interruption, associées chacune à un rail (4), deux rampes (16) inclinées pour le guidage de la structure (8) pliable entre la zone s'étendant à l'aplomb et sous le deuxième chemin (52) de guidage et les rails (4), chaque rampe (16) associée à un rail (4) étant à pente descendante depuis le rail (4) auquel elle est associée vers la zone s'étendant à l'aplomb et sous le deuxième chemin (52) de guidage en configuration d'utilisation du dispositif (1 ). characterized in that the device (1) comprises, under the interruption zone (15), each associated with a rail (4), two ramps (16) inclined for guiding the structure (8) foldable between the zone s extending vertically and under the second guide path (52) and the rails (4), each ramp (16) associated with a rail (4) being downwardly sloping from the rail (4) with which it is associated towards the zone extending vertically and under the second guide path (52) in the configuration of use of the device (1).
5. Dispositif (1 ) d'obturation selon l'une quelconque des revendications 3 ou 4, caractérisé en ce que chaque point (14) d'appui de la traverse (7) de tête est formé par un organe (17) roulant rotatif, 5. Device (1) shutter according to any one of claims 3 or 4, characterized in that each point (14) of support of the crosshead (7) head is formed by a member (17) rotating rolling ,
en ce que les arceaux (10) sont, pour leur montage mobile à coulissement le long des rails (4) de guidage en position dépliée de l'ouvrant (2), munis, à chacune de leurs extrémités, d'un organe (18) roulant rotatif, in that the hoops (10) are, for their slidingly movable mounting along the guide rails (4) in the unfolded position of the opening (2), provided at each of their ends with a member (18). ) rotary rolling,
en ce que les écarteurs (1 1 ) sont, en position dépliée de l'ouvrant (2), montés mobiles à coulissement le long des rails (4) de guidage par l'intermédiaire d'organes (19) roulants rotatifs, in that the spacers (1 1) are, in the unfolded position of the leaf (2), slidably mounted movably along the guide rails (4) by means of rotating rolling members (19),
en ce que les rails (4) comprennent des moyens (27) d'emprisonnement par le dessus desdits organes (17, 18, 19) roulants rotatifs, in that the rails (4) comprise means (27) for imprisoning from above said rotary rolling members (17, 18, 19),
et en ce que la zone (15) d'interruption est exempte desdits moyens (27) d'emprisonnement. and in that the interruption zone (15) is free from said imprisonment means (27).
6. Dispositif (1 ) d'obturation selon la revendication 5, 6. Device (1) shutter according to claim 5,
caractérisé en ce qu'au moins deux des organes (17) roulants rotatifs de la traverse (7) de tête présentent des axes de rotation non parallèles pour un guidage suivant au moins deux directions de ladite traverse (7) de tête le long des rails (4). characterized in that at least two of the rotatable rolling members (17) of the head beam (7) have non-parallel axes of rotation for guiding along at least two directions of said head beam (7) along the rails. (4).
7. Dispositif (1 ) d'obturation selon l'une quelconque des revendications 5 ou 6, caractérisé en ce que l'axe de rotation de l'organe (18) roulant rotatif de chaque arceau (10) est au niveau dudit arceau (10) disposé parallèle, et de préférence confondu, avec l'axe longitudinal dudit arceau (10). 7. Device (1) shutter according to any one of claims 5 or 6, characterized in that the axis of rotation of the member (18) rotatable rolling each arch (10) is at said hoop ( 10) arranged parallel, and preferably coincident, with the longitudinal axis of said arch (10).
8. Dispositif (1 ) d'obturation selon l'une des revendications précédentes, caractérisé en ce que le dispositif (1 ) comprend des moyens (21 ) élastiquement déformables de liaison entre l'ouvrant (2) et le dormant (3), ces moyens (21 ) de liaison élastiquement déformables étant configurés pour un maintien, dans l'espace (6) de rangement, du dessus de la structure (8) pliable de l'ouvrant (2) à une hauteur sensiblement constante aussi bien en position repliée de l'ouvrant (2) à l'état empilé de l'ensemble des cadres (13) qu'en position dépliée de l'ouvrant (2), lorsque le poids d'au moins une partie des cadres (13) est repris par les rails (4) de guidage. 8. Device (1) shutter according to one of the preceding claims, characterized in that the device (1) comprises means (21) elastically deformable connection between the leaf (2) and the frame (3), these means (21) for elastically deformable connection being configured for holding, in the space (6) of storage, the top of the structure (8) foldable opening (2) at a substantially constant height both in position folded of the opening (2) in the stacked state of all the frames (13) in unfolded position of the opening (2), when the weight of at least a portion of the frames (13) is taken up by the guide rails (4).
9. Dispositif (1 ) d'obturation selon la revendication 8, 9. Device (1) shutter according to claim 8,
caractérisé en ce que les moyens (21 ) de liaison élastiquement déformables comprennent au moins une poulie (22) solidaire du dormant (3), une poulie (23) couplée au dormant (3) par un ressort (24), un câble (25) de liaison entre dormant (3) et ouvrant (2), mouflé sur chacune des poulies (22, 23). characterized in that the elastically deformable connecting means (21) comprise at least one pulley (22) secured to the frame (3), a pulley (23) coupled to the frame (3) by a spring (24), a cable (25) ) link between the frame (3) and opening (2), slid on each of the pulleys (22, 23).
10. Dispositif (1 ) d'obturation selon la revendication 9, 10. Device (1) shutter according to claim 9,
caractérisé en ce que la structure (8) pliable de l'ouvrant (2) comprend, disposé à l'intérieur de l'espace (6) de rangement, un support (20) de la partie de la structure pliable formée de la pile de cadres (13) et en ce que le câble (25) de liaison est, au niveau de l'ouvrant (2), couplé au support (20) de la pile de cadres (13) de l'ouvrant (2). characterized in that the foldable structure (8) of the opening (2) comprises, disposed within the space (6) of storage, a support (20) of the portion of the foldable structure formed of the stack frames (13) and in that the connecting cable (25) is, at the opening (2), coupled to the support (20) of the stack of frames (13) of the opening (2).
1 1 . Installation comprenant une cavité (30) ouverte par le dessus et un dispositif (1 1 ) d'obturation de ladite cavité (30), 1 1. Installation comprising a cavity (30) open from above and a device (1 1) for closing said cavity (30),
caractérisée en ce que le dispositif (1 ) d'obturation est conforme à l'une des revendications 1 à 10. characterized in that the closure device (1) is in accordance with one of claims 1 to 10.
EP15817963.0A 2014-12-03 2015-12-03 Device for at least partially plugging a cavity that is open at the top, and installation comprising such a device Active EP3227511B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15817963T PL3227511T3 (en) 2014-12-03 2015-12-03 Device for at least partially plugging a cavity that is open at the top, and installation comprising such a device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1461841A FR3029552B1 (en) 2014-12-03 2014-12-03 DEVICE FOR AT LEAST PARTIAL CLOSING OF A CAVITY OPENED THROUGH THE TOP, AND INSTALLATION COMPRISING SUCH A DEVICE
PCT/FR2015/053308 WO2016087787A1 (en) 2014-12-03 2015-12-03 Device for at least partially plugging a cavity that is open at the top, and installation comprising such a device

Publications (2)

Publication Number Publication Date
EP3227511A1 true EP3227511A1 (en) 2017-10-11
EP3227511B1 EP3227511B1 (en) 2018-09-12

Family

ID=52589558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15817963.0A Active EP3227511B1 (en) 2014-12-03 2015-12-03 Device for at least partially plugging a cavity that is open at the top, and installation comprising such a device

Country Status (4)

Country Link
EP (1) EP3227511B1 (en)
FR (1) FR3029552B1 (en)
PL (1) PL3227511T3 (en)
WO (1) WO2016087787A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941755C2 (en) * 1979-10-16 1983-01-20 Rhein-Bayern Fahrzeugbau GmbH & Co KG, 8950 Kaufbeuren Cover for assembly pits
US6321819B1 (en) * 2000-02-23 2001-11-27 Heath R. Copp Retractable cover system
FR2975420B1 (en) * 2011-05-17 2014-07-18 R Pi DEVICE FOR AT LEAST PARTIAL SHUTTERING OF A CAVITY OPENED BY THE TOP

Also Published As

Publication number Publication date
FR3029552A1 (en) 2016-06-10
WO2016087787A1 (en) 2016-06-09
PL3227511T3 (en) 2019-03-29
EP3227511B1 (en) 2018-09-12
FR3029552B1 (en) 2017-01-20

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