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EP2686489A2 - Assembly comprising a supporting frame and a reversible anti-fall safety grid - Google Patents

Assembly comprising a supporting frame and a reversible anti-fall safety grid

Info

Publication number
EP2686489A2
EP2686489A2 EP12714765.0A EP12714765A EP2686489A2 EP 2686489 A2 EP2686489 A2 EP 2686489A2 EP 12714765 A EP12714765 A EP 12714765A EP 2686489 A2 EP2686489 A2 EP 2686489A2
Authority
EP
European Patent Office
Prior art keywords
frame
grid
opening
folded
hinge means
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
EP12714765.0A
Other languages
German (de)
French (fr)
Other versions
EP2686489B1 (en
Inventor
Benoît André Daniel DEDUIT
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.)
EJ Emea SAS
Original Assignee
EJ Emea SAS
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 EJ Emea SAS filed Critical EJ Emea SAS
Publication of EP2686489A2 publication Critical patent/EP2686489A2/en
Application granted granted Critical
Publication of EP2686489B1 publication Critical patent/EP2686489B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/127—Manhole shafts; Other inspection or access chambers; Accessories therefor with devices for impeding fall or injuries of persons
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1481—Security devices, e.g. indicating unauthorised opening
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/04—Shutters, movable grilles, or other safety closing devices, e.g. against burglary of wing type, e.g. revolving or sliding
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/01—Trap-doors

Definitions

  • the present invention relates to a support frame and safety fall arrester assembly hinged to one side of the support frame.
  • a road system comprising a solidary frame of the ground or a roadway and the opening of which provides access to a chimney inspection or inspection of a underground network, a crown member pivotally mounted relative to one side of the frame between a folded position closing the opening of the frame and a standing position of clearance of the opening of this frame.
  • this road device also comprises a safety fall arrester mounted hinged to one of the sides of the frame perpendicular to the side to which is articulated the cap element, so that the grid can be brought to a position folded closing the opening of the frame when the cap member occupies its standing position of release of this opening.
  • the permanent joint location to the side of the frame of the fall protection grid may be such that the grid, when it is standing, causes discomfort during an intervention in the underground network, especially during the passage of cables in this network through the opening of this frame.
  • the present invention aims to overcome the above disadvantage of known road devices.
  • the support frame assembly and single fall protection safety grid mounted articulated to one side of the support frame so as to occupy a standing position of clearance of the opening frame or folded position closing the opening of the frame is characterized in that the grid can be mounted hinged to the opposite side of the frame.
  • the frame comprises at each of its two opposite sides a hinge means and the grid has on one of its sides a hinge means that can be removably attached to one or other of the means of articulation of the frame.
  • the hinge means on each side of the frame comprises two spaced spaced clevises on the side of the frame along the latter and the articulation means of the grid comprises two integral tabs on the side of the grid perpendicular to it. and removably secured by bolts respectively to the yokes of the frame.
  • the grid comprises two lugs integral with its side opposite to that comprising the hinge means and being able to bear, in the folded position of the grid, on the side of the frame opposite to that to which the grid is articulated.
  • the grid may be self-locking in its upright position.
  • each tab located between two branches of a yoke comprises an oblong slot through which a bolt integral with these branches and which allows the grate to descend by gravity to its upright position until the upper end of the oblong slot comes to bear on the bolt and the lower end of the tab is supported against a back wall of the yoke so as to self-lock the tab in the yoke.
  • the grid is held in its upright position by supporting the hinge lugs on the inner face of the corresponding side of the frame.
  • the means of articulation of the sides of the frame are secured respectively to two internal walls perpendicular to the sides of the frame and its folded position, the grid is housed in the frame.
  • the invention also relates to a road device comprising a frame secured to the ground, a covering element, such as a hatch or a buffer, mounted hinged to one side of the frame between a folded position of closing the opening of the frame and a standing position of clearance of the opening of the frame, and a safety fall arrester mounted hinged to one side of the frame perpendicular to the side of this frame which is articulated the cap element so as to occupy a standing position of release of the opening of the frame or a folded position closing the opening of the frame when the cap member occupies its upright position, and which is characterized in that the grid can be mounted hinged to the opposite side of the frame as described above.
  • a covering element such as a hatch or a buffer
  • the cap element In the folded position of the grid in the frame, the cap element can be folded into the frame by covering the grid.
  • the frame is rectangular.
  • Figure 1 is a perspective view of a road device according to the invention.
  • FIG. 2 is a top view of the road device of Figure 1 and showing the fall arrest safety grid in its folded position closing the frame of this device;
  • - Figure 3 is an enlarged perspective view of a hinge of the grid frame to a standing position of the grid before being locked to the frame; and - Figure 4 is an enlarged sectional view in a vertical plane passing through a hinge tab of the grid.
  • the reference numeral 1 denotes a road device, which comprises a frame 2 integral with the ground or a roadway being buried flush with it and a covering element 3, such as a hatch or a buffer.
  • the frame 2 is of rectangular shape and the covering element 3, also of rectangular shape, is hingedly mounted along one of the sides 2a of the frame 2 about a pivot axis XI, X2 to allow at the covering element 3 to pivot between a closed position of closing the opening 0 of the frame 2 to which the covering element 3 fits or fits in the frame 2, and a standing or standing position of opening to clear the opening 0 of the frame 2 to access a chimney inspection or inspection of an underground network.
  • the covering element comprises a relatively thin upper rigid plate 3a and four lateral walls 3b integral with the internal face of the plate 3a perpendicularly thereto, stiffening ribs 3c of the plate 3a being provided. perpendicular to the inner face of this plate.
  • the covering element 3 and the frame 2 may be made of metal, such as for example steel.
  • a crutch 4 has one end hingedly mounted to one of the sides 2b of the frame 2 perpendicular to the side 2a through a yoke 5 pivot axis perpendicular to the side 2b.
  • This crutch makes it possible to retain the covering element 3 in its upright position from the opening 0 shown in FIG. 1.
  • the end of the stand 4 opposite to the hinge clevis 5 abuts in two ends of two parallel lights 6a made respectively in two parallel plates 6 integral with the corresponding inner side wall 3b of the covering element 3.
  • the covering element 3 When the covering element 3 is folded towards its closed position 6 of the opening 0 of the frame 2, the end of the stand 4 slides along the lights 6a to come close to the opposite ends of the lights 6a in the folded position of the cover element so that the stand is in a folded position in the frame 2 along the side 2b .
  • the road device 1 further comprises a single fall arrest safety gate 7 mounted articulated by one of its edges 7a relative to the side 2c of the frame 2 opposite and parallel to the side 2b of this frame.
  • the grid 7 comprises a plurality of cylindrical parallel bars 7b fixed at their ends respectively by two parallel flat bars 7a, 7c constituting the two sides of the grid 7.
  • the grid 7 is articulated relative to the side 2c of the frame 2 along an axis Y1, Y2 parallel to the side 2c and consequently perpendicular to the pivot axis XI, X2 of the covering element 3.
  • the grid 7 can pivot between a standing position of the opening shown in FIG. 1 to which it is substantially perpendicular to the plane frame 2 and a folded position closing this opening shown in Figure 2, called fall arrest.
  • the grid 7 can also be mounted articulated by its side 7a to the side 2b of the frame 2 opposite the side 2c along an axis Y3, Y4 parallel to the side 2b and, therefore, perpendicular to the pivot axis XI , X2 of the covering element 3.
  • the means of articulation of the side 7a of the grid 7 to one or the other of the two sides 2b, 2c of the frame 2 comprise two parallel legs 8 secured to the side 7a substantially perpendicular to the latter being disposed outside the gate.
  • the two lugs 8 are respectively fixed in the vicinity of the two ends of the side 7a of this grid.
  • the tabs 8 may be attached to the side 7a by welding.
  • Each hinge lug 8 has a slot 9 extending longitudinally to the lug 8.
  • each lug 8 is in the form of a rigid plate bent substantially at right angles
  • one of the branches 8a is integral with a corresponding end of the side 7a of the gate 7 and the other leg 8b comprises the slot 9 extending longitudinally to the branch 8b.
  • the articulation means of the grid 7 to the frame 2 also comprise, associated with each side 2b, 2c, two clevises 10 integral with an inner wall 11 of the frame 2 extending in the opening 0 perpendicular to the corresponding side 2b, 2c of the frame 2.
  • Each pair of clevises 10 is fixed, for example by welding, perpendicularly to the corresponding inner wall 11 above it.
  • the two lugs 8 of the grid 7 are mounted detachably articulated respectively in the two clevises 10 of the wall 11 associated with the side 2c of the frame 2 by means of fixing bolts 12 extending along the axis of pivot Y1, Y2 of the grid 7 relative to the side 2c.
  • Each fixing bolt 12 has its threaded rod 12a passing through the two parallel branches 10a of the corresponding yoke 10 perpendicular thereto.
  • the diameter of the threaded rod 12a of the bolt 12 is slightly less than the diameter of two coaxial bores 10b formed through respectively the two branches 10a of the corresponding yoke 10.
  • the threaded rod 12a of each bolt 12 also passes through the lumen.
  • Each clevis 10 also comprises a dorsal wall 10c secured, for example by welding, the two vertical edges located on the same side of the legs 10a of the yoke 10 facing the vertical side 2c of the frame 2, the dorsal wall 10c thus being spaced from this side 2c.
  • the gate 7 has at its side 7c opposite the hinge side 7a two brackets 13 fixed, for example by welding by one of their branches to the side 7c outside the gate 7 so that the other branch of each lug 13 extends in a plane parallel to the plane of the grid 7 above the side 7c.
  • Each bracket 13 comprises integral with the upper face of the free leg of this tab an external grip 14 and the side 7c of the grid 7 is also provided with an external grip 15 located substantially in the middle of this side .
  • the position of the pivot axis Y1, Y2 of the grid 7 relative to the side 2c of the frame 2 and the relative positions of the support lugs 13 relative to the side 7c of the grid 7 are such that in the folded position of this grid, the latter is housed in the sides 2a to 2d of the frame 2 substantially halfway up these sides.
  • the tilting of the grid 7 between its folded and standing positions is facilitated by the lights 9 of the lugs 8 through which the fixing bolts 12 engage.
  • the hinge means of the grid 7 relative to the corresponding sides 2b, 2c of the frame 2 constituted by the pairs of clevis 10, the bolts 12 and the lights 9 are designed to self-lock the grid to its standing position. Indeed, when the gate 7 switches from its horizontal folded position to its substantially vertical standing position shown in Figure 3, the operator releases the gate 7 which descends by gravity from its position in Figure 3 to its position shown in Figure 4 by sliding of the slots 9 of the two tabs 8 relative to the threaded rods 12a of the two bolts 12. In the position shown in FIG.
  • each tab 8 bears against the corresponding threaded rod 12a of the bolt 12 and the lower end of the leg 8b of the tab 8 is supported by its rear edge on the inner face of the back wall 10c of the yoke 10 so that the leg 8b of each lug 8 is self-locking in the yoke 10 to prevent the gate 7 from swinging to its folded position closing the opening 0 of the frame 2.
  • the hinge lugs 8 can pivot freely on the bolts 12 and be brought in support on the inner face of the corresponding side 2b or 2c of the frame 2 to maintain the grid at this position slightly inclined beyond its position perpendicular to the plane of the frame 2.
  • the grid can be mounted articulated reversibly to the sides 2b, 2c of the frame 2 allows to position it when it is in its upright position without causing any inconvenience during a particular operation to be carried out in the underground network through the opening 0, for example by introducing cables through this opening.
  • FIG. 2 shows the grid in its folded safety position in the frame 2 preventing anyone from accidentally falling through the opening 0 of the frame 2.
  • the grid 7 may be made of steel, stainless steel, composite material and may have a structure not only in bars as described above, but also in lattice, mesh or grating.
  • the grid 7 can withstand a range of efforts that can be between about 1500 and 3000 Newtons.
  • the grid can be locked at about 90 ° relative to the support frame prevents it from tilting to its horizontal position in the frame even in case of wind or mishandling, thus ensuring an operator entry into the room or lift of it in complete safety;
  • the grid is reversible makes it possible to position it on one or the other of the two opposite sides of the support frame, so as not to cause any discomfort when it occupies its upright position, in particular during a intervention in the underground network;
  • the opening of the frame is completely clear without the risk of injury to an operator returning to the underground network or coming up from this network through an opening because the means of articulation of the grid are fixed on the horizontal wall, perpendicular to the corresponding vertical side of the frame outside this opening;

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Emergency Lowering Means (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Handcart (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention relates to an assembly comprising a supporting frame and a reversible anti-fall safety grid that can be mounted on either of the two opposing sides of the frame in an articulated manner. According to the invention, the safety grid (7) is characterised in that it can be mounted on either of the two opposing sides (2b, 2c) of the frame (2). The invention is applicable in the field of transport infrastructure.

Description

"Ensemble à cadre de support et grille de sécurité antichute réversible pouvant être montée articulée à l'un ou l'autre des deux côtés opposés du cadre"  "Support frame assembly and reversible fall arrest safety grid that can be hinged to one or the other of two opposite sides of the frame"
La présente invention concerne un ensemble à cadre de support et grille de sécurité antichute montée articulée à un côté du cadre de support. The present invention relates to a support frame and safety fall arrester assembly hinged to one side of the support frame.
Elle s'applique en particulier, mais de manière non limitative, à un dispositif de voirie comprenant un cadre solidaire du sol ou d'une chaussée et dont l'ouverture permet d'accéder à une cheminée de visite ou d'inspection d'un réseau souterrain, un élément de couronnement monté pivotant relativement à un côté du cadre entre une position rabattue de fermeture de l'ouverture du cadre et une position debout de dégagement de l'ouverture de ce cadre .  It applies in particular, but without limitation, to a road system comprising a solidary frame of the ground or a roadway and the opening of which provides access to a chimney inspection or inspection of a underground network, a crown member pivotally mounted relative to one side of the frame between a folded position closing the opening of the frame and a standing position of clearance of the opening of this frame.
Pour des raisons de sécurité, ce dispositif de voirie comprend également une grille de sécurité antichute montée articulée à l'un des côtés du cadre perpendiculaire au côté auquel est articulé l'élément de couronnement, de manière que la grille puisse être amenée à une position rabattue de fermeture de l'ouverture du cadre lorsque l'élément de couronnement occupe sa position debout de dégagement de cette ouverture.  For safety reasons, this road device also comprises a safety fall arrester mounted hinged to one of the sides of the frame perpendicular to the side to which is articulated the cap element, so that the grid can be brought to a position folded closing the opening of the frame when the cap member occupies its standing position of release of this opening.
Cependant, l'emplacement permanent d'articulation au côté du cadre de la grille de sécurité antichute peut être tel que la grille, lorsqu'elle occupe sa position debout, occasionne une gêne lors d'une intervention dans le réseau souterrain, notamment lors du passage de câbles dans ce réseau au travers de l'ouverture de ce cadre.  However, the permanent joint location to the side of the frame of the fall protection grid may be such that the grid, when it is standing, causes discomfort during an intervention in the underground network, especially during the passage of cables in this network through the opening of this frame.
La présente invention a pour but de palier 1 ' inconvénient ci-dessus des dispositifs de voirie connus .  The present invention aims to overcome the above disadvantage of known road devices.
A cet effet, selon l'invention, l'ensemble à cadre de support et grille unique de sécurité antichute montée articulée à un côté du cadre de support de manière à occuper une position debout de dégagement de l'ouverture du cadre ou une position rabattue de fermeture de l'ouverture du cadre, est caractérisé en ce que la grille peut être montée articulée au côté opposé du cadre. For this purpose, according to the invention, the support frame assembly and single fall protection safety grid mounted articulated to one side of the support frame so as to occupy a standing position of clearance of the opening frame or folded position closing the opening of the frame, is characterized in that the grid can be mounted hinged to the opposite side of the frame.
De préférence, le cadre comporte à chacun de deux de ses côtés opposés un moyen d'articulation et la grille comporte sur un seul de ses côtés un moyen d'articulation pouvant être amoviblement fixé à l'un ou l'autre des moyens d'articulation du cadre.  Preferably, the frame comprises at each of its two opposite sides a hinge means and the grid has on one of its sides a hinge means that can be removably attached to one or other of the means of articulation of the frame.
Avantageusement, le moyen d'articulation à chaque côté du cadre comprend deux chapes espacées solidaires du côté du cadre le long de celui-ci et le moyen d'articulation de la grille comprend deux pattes solidaires du côté de la grille perpendiculairement à celui-ci et amoviblement fixées par des boulons respectivement aux chapes du cadre.  Advantageously, the hinge means on each side of the frame comprises two spaced spaced clevises on the side of the frame along the latter and the articulation means of the grid comprises two integral tabs on the side of the grid perpendicular to it. and removably secured by bolts respectively to the yokes of the frame.
Avantageusement, la grille comprend deux pattes solidaires de son côté opposé à celui comportant le moyen d'articulation et pouvant venir en appui, en position rabattue de la grille, sur le côté du cadre opposé à celui auquel est articulée la grille.  Advantageously, the grid comprises two lugs integral with its side opposite to that comprising the hinge means and being able to bear, in the folded position of the grid, on the side of the frame opposite to that to which the grid is articulated.
Selon une variante de réalisation, la grille peut être autobloquée à sa position debout.  According to an alternative embodiment, the grid may be self-locking in its upright position.
A cet effet, chaque patte située entre deux branches d'une chape comprend une lumière oblongue traversée par un boulon solidaire de ces branches et qui permet à la grille de descendre par gravité à sa position debout jusqu'à ce que l'extrémité supérieure de la lumière oblongue vienne en appui sur le boulon et l'extrémité inférieure de la patte soit en appui contre une paroi dorsale de la chape de manière à autobloquer la patte dans la chape.  For this purpose, each tab located between two branches of a yoke comprises an oblong slot through which a bolt integral with these branches and which allows the grate to descend by gravity to its upright position until the upper end of the oblong slot comes to bear on the bolt and the lower end of the tab is supported against a back wall of the yoke so as to self-lock the tab in the yoke.
Selon une autre variante de réalisation, la grille est maintenue à sa position debout par appui des pattes d'articulation sur la face interne du côté correspondant du cadre .  According to another embodiment, the grid is held in its upright position by supporting the hinge lugs on the inner face of the corresponding side of the frame.
Les moyens d'articulation des côtés du cadre sont solidaires respectivement de deux parois internes perpendiculaires aux côtés du cadre et à sa position rabattue, la grille est logée dans le cadre. The means of articulation of the sides of the frame are secured respectively to two internal walls perpendicular to the sides of the frame and its folded position, the grid is housed in the frame.
L'invention vise également un dispositif de voirie comprenant un cadre solidaire du sol, un élément de recouvrement, tel qu'une trappe ou un tampon, monté articulé à un côté du cadre entre une position rabattue de fermeture de l'ouverture du cadre et une position debout de dégagement de l'ouverture du cadre, et une grille de sécurité antichute montée articulée à un côté du cadre perpendiculaire au côté de ce cadre auquel est articulé l'élément de couronnement de manière à occuper une position debout de dégagement de l'ouverture du cadre ou une position rabattue de fermeture de l'ouverture du cadre lorsque l'élément de couronnement occupe sa position debout, et qui est caractérisé en ce que la grille peut être montée articulée au côté opposé du cadre comme décrit précédemment.  The invention also relates to a road device comprising a frame secured to the ground, a covering element, such as a hatch or a buffer, mounted hinged to one side of the frame between a folded position of closing the opening of the frame and a standing position of clearance of the opening of the frame, and a safety fall arrester mounted hinged to one side of the frame perpendicular to the side of this frame which is articulated the cap element so as to occupy a standing position of release of the opening of the frame or a folded position closing the opening of the frame when the cap member occupies its upright position, and which is characterized in that the grid can be mounted hinged to the opposite side of the frame as described above.
En position rabattue de la grille dans le cadre, l'élément de couronnement peut être rabattu dans le cadre en recouvrant la grille.  In the folded position of the grid in the frame, the cap element can be folded into the frame by covering the grid.
Le cadre est rectangulaire.  The frame is rectangular.
L'invention sera mieux comprise, et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement dans la description explicative qui va suivre faite en référence aux dessins annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels :  The invention will be better understood, and other objects, characteristics, details and advantages thereof will appear more clearly in the explanatory description which will follow with reference to the accompanying drawings given solely by way of example illustrating an embodiment. of the invention and in which:
la figure 1 est une vue en perspective d'un dispositif de voirie conforme à l'invention ;  Figure 1 is a perspective view of a road device according to the invention;
- la figure 2 est une vue de dessus du dispositif de voirie de la figure 1 et montrant la grille de sécurité antichute à sa position rabattue de fermeture du cadre de ce dispositif ;  - Figure 2 is a top view of the road device of Figure 1 and showing the fall arrest safety grid in its folded position closing the frame of this device;
- la figure 3 est une vue en perspective agrandie d'une articulation de la grille au cadre à une position debout de la grille avant d'être autobloquée au cadre ; et - la figure 4 est une vue en coupe agrandie dans un plan vertical passant par une patte d'articulation de la grille . - Figure 3 is an enlarged perspective view of a hinge of the grid frame to a standing position of the grid before being locked to the frame; and - Figure 4 is an enlarged sectional view in a vertical plane passing through a hinge tab of the grid.
En se reportant aux figures 1 à 4, la référence 1 désigne un dispositif de voirie, qui comprend un cadre 2 solidaire du sol ou d'une chaussée en étant enfoui en affleurement dans celui-ci et un élément de recouvrement 3, tel qu'une trappe ou un tampon.  With reference to FIGS. 1 to 4, the reference numeral 1 denotes a road device, which comprises a frame 2 integral with the ground or a roadway being buried flush with it and a covering element 3, such as a hatch or a buffer.
Dans le cas présent, le cadre 2 est de forme rectangulaire et l'élément de recouvrement 3, également de forme rectangulaire, est monté articulé suivant l'un 2a des côtés du cadre 2 autour d'un axe de pivotement XI, X2 pour permettre à l'élément de recouvrement 3 de pivoter entre une position rabattue de fermeture de l'ouverture 0 du cadre 2 à laquelle l'élément de recouvrement 3 s'inscrit ou se loge dans le cadre 2, et une position dressée ou debout d'ouverture permettant de dégager 1 ' ouverture 0 du cadre 2 pour accéder à une cheminée de visite ou d'inspection d'un réseau souterrain .  In this case, the frame 2 is of rectangular shape and the covering element 3, also of rectangular shape, is hingedly mounted along one of the sides 2a of the frame 2 about a pivot axis XI, X2 to allow at the covering element 3 to pivot between a closed position of closing the opening 0 of the frame 2 to which the covering element 3 fits or fits in the frame 2, and a standing or standing position of opening to clear the opening 0 of the frame 2 to access a chimney inspection or inspection of an underground network.
A titre d'exemple, l'élément de recouvrement comporte une plaque rigide supérieure relativement mince 3a et quatre parois latérales 3b solidaires de la face interne de la plaque 3a perpendiculairement à celle-ci, des nervures de rigidification 3c de la plaque 3a étant prévues perpendiculairement à la face interne de cette plaque. L'élément de recouvrement 3 et le cadre 2 peuvent être réalisés en métal, tel que par exemple de l'acier.  By way of example, the covering element comprises a relatively thin upper rigid plate 3a and four lateral walls 3b integral with the internal face of the plate 3a perpendicularly thereto, stiffening ribs 3c of the plate 3a being provided. perpendicular to the inner face of this plate. The covering element 3 and the frame 2 may be made of metal, such as for example steel.
Une béquille 4 a l'une de ses extrémités montée articulée à l'un des côtés 2b du cadre 2 perpendiculaire au côté 2a par l'intermédiaire d'une chape 5 d'axe de pivotement perpendiculaire au côté 2b. Cette béquille permet de retenir l'élément de recouvrement 3 à sa position debout de dégagement de l'ouverture 0 représentée en figure 1. A cet effet, l'extrémité de la béquille 4 opposée à la chape d'articulation 5 est en butée dans deux extrémités de deux lumières parallèles 6a réalisées respectivement dans deux plaques parallèles 6 solidaires de la paroi latérale interne correspondante 3b de l'élément de recouvrement 3. Lorsque l'élément de recouvrement 3 est rabattu vers sa position d'obturation 6 de l'ouverture 0 du cadre 2, l'extrémité de la béquille 4 coulisse le long des lumières 6a jusqu'à venir à proximité des extrémités opposées des lumières 6a en position rabattue de l'élément de recouvrement de manière que la béquille occupe une position repliée dans le cadre 2 le long du côté 2b. A crutch 4 has one end hingedly mounted to one of the sides 2b of the frame 2 perpendicular to the side 2a through a yoke 5 pivot axis perpendicular to the side 2b. This crutch makes it possible to retain the covering element 3 in its upright position from the opening 0 shown in FIG. 1. For this purpose, the end of the stand 4 opposite to the hinge clevis 5 abuts in two ends of two parallel lights 6a made respectively in two parallel plates 6 integral with the corresponding inner side wall 3b of the covering element 3. When the covering element 3 is folded towards its closed position 6 of the opening 0 of the frame 2, the end of the stand 4 slides along the lights 6a to come close to the opposite ends of the lights 6a in the folded position of the cover element so that the stand is in a folded position in the frame 2 along the side 2b .
Le dispositif de voirie 1 comprend en outre une grille unique de sécurité antichute 7 montée articulée par l'un de ses bords 7a relativement au côté 2c du cadre 2 opposé et parallèle au côté 2b de ce cadre.  The road device 1 further comprises a single fall arrest safety gate 7 mounted articulated by one of its edges 7a relative to the side 2c of the frame 2 opposite and parallel to the side 2b of this frame.
La grille 7 comporte plusieurs barreaux parallèles cylindriques 7b fixés à leurs extrémités respectivement par deux barres planes parallèles 7a, 7c constituant les deux côtés de la grille 7.  The grid 7 comprises a plurality of cylindrical parallel bars 7b fixed at their ends respectively by two parallel flat bars 7a, 7c constituting the two sides of the grid 7.
La grille 7 est montée articulée relativement au côté 2c du cadre 2 suivant un axe Yl, Y2 parallèle au côté 2c et, par conséquent, perpendiculaire à l'axe de pivotement XI, X2 de l'élément de recouvrement 3.  The grid 7 is articulated relative to the side 2c of the frame 2 along an axis Y1, Y2 parallel to the side 2c and consequently perpendicular to the pivot axis XI, X2 of the covering element 3.
Ainsi, lorsque l'élément de recouvrement 3 occupe sa position dressée de dégagement de l'ouverture 0 du cadre 2, la grille 7 peut pivoter entre une position debout de dégagement de cette ouverture représentée en figure 1 à laquelle elle est sensiblement perpendiculaire au plan du cadre 2 et une position rabattue de fermeture de cette ouverture représentée en figure 2, dite de sécurité antichute.  Thus, when the covering element 3 occupies its erected position of the opening 0 of the frame 2, the grid 7 can pivot between a standing position of the opening shown in FIG. 1 to which it is substantially perpendicular to the plane frame 2 and a folded position closing this opening shown in Figure 2, called fall arrest.
Selon l'invention, la grille 7 peut également être montée articulée par son côté 7a au côté 2b du cadre 2 opposé au côté 2c suivant un axe Y3, Y4 parallèle au côté 2b et, par conséquent, perpendiculaire à l'axe de pivotement XI, X2 de l'élément de recouvrement 3.  According to the invention, the grid 7 can also be mounted articulated by its side 7a to the side 2b of the frame 2 opposite the side 2c along an axis Y3, Y4 parallel to the side 2b and, therefore, perpendicular to the pivot axis XI , X2 of the covering element 3.
Les moyens d'articulation du côté 7a de la grille 7 à l'un ou l'autre des deux côtés 2b, 2c du cadre 2 comprennent deux pattes parallèles 8 solidaires du côté 7a sensiblement perpendiculairement à ce dernier en étant disposées à l'extérieur de la grille. De préférence, les deux pattes 8 sont fixées respectivement au voisinage des deux extrémités du côté 7a de cette grille. Les pattes 8 peuvent être fixées au côté 7a par soudage. Chaque patte d'articulation 8 comporte une lumière 9 s'étendant longitudinalement à la patte 8. Plus précisément, chaque patte 8 se présente sous la forme d'une plaque rigide coudée sensiblement à angle droit dont l'une des branches 8a est solidaire d'une extrémité correspondante du côté 7a de la grille 7 et l'autre branche 8b comporte la lumière 9 s'étendant longitudinalement à la branche 8b. The means of articulation of the side 7a of the grid 7 to one or the other of the two sides 2b, 2c of the frame 2 comprise two parallel legs 8 secured to the side 7a substantially perpendicular to the latter being disposed outside the gate. Preferably, the two lugs 8 are respectively fixed in the vicinity of the two ends of the side 7a of this grid. The tabs 8 may be attached to the side 7a by welding. Each hinge lug 8 has a slot 9 extending longitudinally to the lug 8. Specifically, each lug 8 is in the form of a rigid plate bent substantially at right angles, one of the branches 8a is integral with a corresponding end of the side 7a of the gate 7 and the other leg 8b comprises the slot 9 extending longitudinally to the branch 8b.
Les moyens d'articulation de la grille 7 au cadre 2 comprennent également, associées à chaque côté 2b, 2c, deux chapes 10 solidaires d'une paroi interne 11 du cadre 2 s'étendant dans l'ouverture 0 perpendiculairement au côté correspondant 2b, 2c du cadre 2. Chaque paire de chapes 10 est fixée, par exemple par soudage, perpendiculairement à la paroi interne correspondante 11 au-dessus de celle-ci.  The articulation means of the grid 7 to the frame 2 also comprise, associated with each side 2b, 2c, two clevises 10 integral with an inner wall 11 of the frame 2 extending in the opening 0 perpendicular to the corresponding side 2b, 2c of the frame 2. Each pair of clevises 10 is fixed, for example by welding, perpendicularly to the corresponding inner wall 11 above it.
Les deux pattes 8 de la grille 7 sont montées articulées de façon amovible respectivement dans les deux chapes 10 de la paroi 11 associée au côté 2c du cadre 2 par l'intermédiaire de boulons de fixation 12 s'étendant le long de l'axe de pivotement Yl, Y2 de la grille 7 relativement au côté 2c. Chaque boulon de fixation 12 a sa tige filetée 12a traversant les deux branches parallèles 10a de la chape correspondante 10 perpendiculairement à celles-ci. Le diamètre de la tige filetée 12a du boulon 12 est légèrement inférieure au diamètre de deux perçages coaxiaux 10b réalisé au travers respectivement des deux branches 10a de la chape correspondante 10. En outre, la tige filetée 12a de chaque boulon 12 traverse également la lumière en forme de trou oblong 9 de la branche 8b de la patte 8 associée à la chape 10. Chaque chape 10 comprend également une paroi dorsale 10c solidaire, par exemple par soudage, des deux bords verticaux situés d'une même côté des branches 10a de la chape 10 en regard du côté vertical 2c du cadre 2, la paroi dorsale 10c étant ainsi espacée de ce côté 2c . The two lugs 8 of the grid 7 are mounted detachably articulated respectively in the two clevises 10 of the wall 11 associated with the side 2c of the frame 2 by means of fixing bolts 12 extending along the axis of pivot Y1, Y2 of the grid 7 relative to the side 2c. Each fixing bolt 12 has its threaded rod 12a passing through the two parallel branches 10a of the corresponding yoke 10 perpendicular thereto. The diameter of the threaded rod 12a of the bolt 12 is slightly less than the diameter of two coaxial bores 10b formed through respectively the two branches 10a of the corresponding yoke 10. In addition, the threaded rod 12a of each bolt 12 also passes through the lumen. oblong hole form 9 of the branch 8b of the tab 8 associated with the clevis 10. Each clevis 10 also comprises a dorsal wall 10c secured, for example by welding, the two vertical edges located on the same side of the legs 10a of the yoke 10 facing the vertical side 2c of the frame 2, the dorsal wall 10c thus being spaced from this side 2c.
La grille 7 comporte à son côté 7c opposé au côté d'articulation 7a deux pattes en équerre 13 fixées, par exemple par soudage par l'une de leurs branches au côté 7c à l'extérieur de la grille 7 de façon que l'autre branche de chaque patte 13 s'étende dans un plan parallèle au plan de la grille 7 au-dessus du côté 7c.  The gate 7 has at its side 7c opposite the hinge side 7a two brackets 13 fixed, for example by welding by one of their branches to the side 7c outside the gate 7 so that the other branch of each lug 13 extends in a plane parallel to the plane of the grid 7 above the side 7c.
Chaque patte en équerre 13 comporte solidaire de la face supérieure de la branche libre de cette patte une poignée externe de préhension 14 et le côté 7c de la grille 7 est également pourvu d'une poignée de préhension externe 15 située sensiblement au milieu de ce côté.  Each bracket 13 comprises integral with the upper face of the free leg of this tab an external grip 14 and the side 7c of the grid 7 is also provided with an external grip 15 located substantially in the middle of this side .
En position rabattue de la grille 7 représentée en figure 2, les deux pattes 13 viennent en appui sur la paroi interne 11 associée au côté 2b du cadre 2.  In the folded position of the grid 7 shown in FIG. 2, the two lugs 13 bear against the inner wall 11 associated with the side 2b of the frame 2.
En outre, la position de l'axe de pivotement Yl, Y2 de la grille 7 relativement au côté 2c du cadre 2 et les positions relatives des pattes d'appui 13 relativement au côté 7c de la grille 7 sont telles qu'en position rabattue de cette grille, cette dernière est logée dans les côtés 2a à 2d du cadre 2 sensiblement à mi- hauteur de ces côtés.  In addition, the position of the pivot axis Y1, Y2 of the grid 7 relative to the side 2c of the frame 2 and the relative positions of the support lugs 13 relative to the side 7c of the grid 7 are such that in the folded position of this grid, the latter is housed in the sides 2a to 2d of the frame 2 substantially halfway up these sides.
Lorsqu'un opérateur souhaite effectuer le pivotement de la grille 7 aux chapes 10 suivant l'axe de pivotement Y3, Y4 parallèle au côté 2b du cadre 2, il retire les boulons 12 des chapes 10 de la paroi interne 11 associée au côté 2c de ce cadre pour lui permettre de retirer la grille 7 de ces chapes.  When an operator wishes to pivot the gate 7 to the yokes 10 along the pivot axis Y3, Y4 parallel to the side 2b of the frame 2, he removes the bolts 12 from the yokes 10 of the inner wall 11 associated with the side 2c of this frame to allow it to remove the grid 7 of these screeds.
Ensuite, par pivotement de la grille sur elle même de 180° suivant l'axe du barreau central 7b de la grille 7, l'opérateur engage les deux pattes d'articulation 8 de cette grille respectivement dans les deux autres chapes 10 situées à proximité du côté 2b du cadre 2 et fixe les pattes 8 aux chapes 10 par les boulons de fixation 12 qui s'étendent ainsi le long de l'axe de pivotement Y3, Y4 de la grille 7. De la sorte, une fois la grille 7 fixée aux deux autres chapes 10, elle peut pivoter autour de l'axe Y3, Y4 entre une position debout sensiblement perpendiculaire au plan du cadre 2 et une position rabattue de fermeture de 1 ' ouverture 0 du cadre 2 à laquelle les pattes 13 sont en appui sur la paroi interne 11 associée au côté 2c du cadre 2. Then, by pivoting the grid on itself 180 ° along the axis of the central bar 7b of the grid 7, the operator engages the two hinge lugs 8 of this grid respectively in the other two yokes 10 located nearby side 2b of the frame 2 and fixes the tabs 8 to the yokes 10 by the fastening bolts 12 which thus extend along the pivot axis Y3, Y4 of the grid 7. In this way, once the grid 7 is attached to the other two yokes 10, it can pivot about the axis Y3, Y4 between a standing position substantially perpendicular to the plane of the frame 2 and a closed position of closure of the opening 0 of the frame 2 to which the lugs 13 bear on the inner wall 11 associated with the side 2c of the frame 2.
Il est à noter que le basculement de la grille 7 entre ses positions rabattue et debout est facilité par les lumières 9 des pattes 8 au travers desquelles s'engagent les boulons de fixation 12. En outre, les moyens d'articulation de la grille 7 relativement aux côtés correspondants 2b, 2c du cadre 2 constitués par les paires de chape 10, les boulons 12 et les lumières 9 sont conçus pour autobloquer la grille à sa position debout. EN effet, lorsque la grille 7 bascule de sa position rabattue horizontale à sa position debout sensiblement verticale représentée en figure 3, l'opérateur relâche la grille 7 qui descend par gravité de sa position de la figure 3 à sa position représentée en figure 4 par glissement des lumières 9 des deux pattes 8 relativement aux tiges filetées 12a des deux boulons 12. A la position représentée en figure 4, l'extrémité supérieure de la lumière 9 de chaque patte 8 est en appui sur la tige filetée correspondante 12a du boulon 12 et l'extrémité inférieure de la branche 8b de la patte 8 est en appui par son bord arrière sur la face interne de la paroi dorsale 10c de la chape 10 de sorte que la branche 8b de chaque patte 8 est autobloquée dans la chape 10 pour empêcher la grille 7 de basculer vers sa position rabattue de fermeture de l'ouverture 0 du cadre 2. Pour amener la grille 7 de sa position debout autobloquée relativement au cadre 2 à sa position rabattue dans le cadre, il suffit tout simplement de soulever la grille 7 pour libérer chaque branche 8b des deux pattes 8 de la grille de leur position de blocage dans la chape 10 jusqu'à ce que l'extrémité inférieure de la lumière 9 vienne en appui sur la tige filetée correspondante 12a du boulon 12, autorisant alors le libre basculement de la grille 7 vers sa position rabattue. It should be noted that the tilting of the grid 7 between its folded and standing positions is facilitated by the lights 9 of the lugs 8 through which the fixing bolts 12 engage. In addition, the hinge means of the grid 7 relative to the corresponding sides 2b, 2c of the frame 2 constituted by the pairs of clevis 10, the bolts 12 and the lights 9 are designed to self-lock the grid to its standing position. Indeed, when the gate 7 switches from its horizontal folded position to its substantially vertical standing position shown in Figure 3, the operator releases the gate 7 which descends by gravity from its position in Figure 3 to its position shown in Figure 4 by sliding of the slots 9 of the two tabs 8 relative to the threaded rods 12a of the two bolts 12. In the position shown in FIG. 4, the upper end of the slot 9 of each tab 8 bears against the corresponding threaded rod 12a of the bolt 12 and the lower end of the leg 8b of the tab 8 is supported by its rear edge on the inner face of the back wall 10c of the yoke 10 so that the leg 8b of each lug 8 is self-locking in the yoke 10 to prevent the gate 7 from swinging to its folded position closing the opening 0 of the frame 2. To bring the gate 7 from its self-locking standing position relative to the frame 2 to its folded position da in the frame, simply lift the grid 7 to release each branch 8b of the two legs 8 of the gate of their blocking position in the yoke 10 until the lower end of the light 9 bears on the corresponding threaded rod 12a of the bolt 12, then allowing the free swing of the gate 7 to its folded position.
Selon une variante non représentée, à la position debout de la grille 7, les pattes d'articulation 8 peuvent pivoter librement sur les boulons 12 et être amenées en appui sur la face interne du côté correspondant 2b ou 2c du cadre 2 pour maintenir la grille à cette position légèrement inclinée au-delà de sa position perpendiculaire au plan du cadre 2.  According to a variant not shown, in the standing position of the grid 7, the hinge lugs 8 can pivot freely on the bolts 12 and be brought in support on the inner face of the corresponding side 2b or 2c of the frame 2 to maintain the grid at this position slightly inclined beyond its position perpendicular to the plane of the frame 2.
Le fait que la grille puisse être montée articulée de manière réversible aux côtés 2b, 2c du cadre 2 permet de la positionner lorsqu'elle occupe sa position debout sans occasionner de gêne lors d'opération particulière à effectuer dans le réseau souterrain au travers de l'ouverture 0, par exemple en introduisant des câbles au travers de cette ouverture.  The fact that the grid can be mounted articulated reversibly to the sides 2b, 2c of the frame 2 allows to position it when it is in its upright position without causing any inconvenience during a particular operation to be carried out in the underground network through the opening 0, for example by introducing cables through this opening.
Lorsqu'un opérateur souhaite fermer le dispositif de voirie de la position représentée en figure 1 à la position représentée en figure 2, il fait pivoter la grille 7 de sa position debout autour de l'axe Yl, Y2 vers sa position rabattue de fermeture.  When an operator wishes to close the road device of the position shown in Figure 1 in the position shown in Figure 2, it rotates the grid 7 from its standing position about the axis Y1, Y2 to its folded closed position.
La figure 2 représente la grille à sa position rabattue de sécurité dans le cadre 2 empêchant toute personne de chuter accidentellement au travers de 1 ' ouverture 0 du cadre 2.  FIG. 2 shows the grid in its folded safety position in the frame 2 preventing anyone from accidentally falling through the opening 0 of the frame 2.
Lorsque l'opérateur, une fois les travaux de réfection ou d'aménagement effectués, souhaite fermer le dispositif de voirie, il lui suffit tout simplement, après avoir rabattu la grille 7 à sa position de fermeture à la figure 2, de rabattre ensuite l'élément de recouvrement 3 dans le cadre 2 de façon que cet élément, lorsqu'il occupe sa position d'obturation de l'ouverture 0 du cadre 2, recouvre complètement la grille 7 sans que cette dernière occasionne de gêne pour la fermeture de l'élément de recouvrement 3. A sa position de fermeture, l'élément de recouvrement 3 repose à l'opposé de l'axe de pivotement XI, X2 sur deux blocs d'appui 16 solidaires de la face interne du côté 2d du cadre 2. A cette position de fermeture, l'élément de recouvrement 3 peut être verrouillé au côté 2d du cadre 2 par des moyens de verrouillage habituels 17, 18 qui n'ont pas à être décrits car ne faisant pas partie de l'invention. When the operator, once the repair or development work is done, wants to close the road device, it suffices for him simply, after folding the grid 7 to its closed position in Figure 2, then fold down the l covering element 3 in the frame 2 so that this element, when it occupies its closed position of the opening 0 of the frame 2, completely covers the grid 7 without the latter causing any inconvenience to the closure of the cover member 3. In its closed position, the cover member 3 rests opposite the pivot axis XI, X2 on two support blocks 16 integral with the inner face of the side 2d of the frame 2. At this closed position, the cover member 3 can be locked to the side 2d of the frame 2 by conventional locking means 17, 18 which do not have to be described as not part of the invention.
La grille 7 peut être réalisée en acier, en acier inoxydable, en matériau composite et peut avoir une structure non seulement en barreaux comme décrit précédemment, mais également en treillis, en grillage ou en caillebotis. La grille 7 peut résister à une gamme d'efforts pouvant être compris entre environ 1500 et 3000 Newtons .  The grid 7 may be made of steel, stainless steel, composite material and may have a structure not only in bars as described above, but also in lattice, mesh or grating. The grid 7 can withstand a range of efforts that can be between about 1500 and 3000 Newtons.
Les avantages de l'invention sont les suivants : The advantages of the invention are as follows:
- le fait que la grille puisse être autobloquée à environ 90° relativement au cadre de support l'empêche de basculer à sa position horizontale dans le cadre même en cas de vent ou de mauvaises manipulations, assurant ainsi à un opérateur l'entrée dans la chambre ou de remontée de celle-ci en tout sécurité ; - The fact that the grid can be locked at about 90 ° relative to the support frame prevents it from tilting to its horizontal position in the frame even in case of wind or mishandling, thus ensuring an operator entry into the room or lift of it in complete safety;
- le fait que la grille soit réversible permet de la positionner à l'un ou l'autre des deux côtés opposés du cadre de support, de manière à ne pas occasionner de gêne lorsqu'elle occupe sa position debout, notamment lors d'une intervention dans le réseau souterrain ;  the fact that the grid is reversible makes it possible to position it on one or the other of the two opposite sides of the support frame, so as not to cause any discomfort when it occupies its upright position, in particular during a intervention in the underground network;
en position debout de la grille de sécurité, l'ouverture du cadre est totalement dégagée sans risque de blessure d'un opérateur rentrant dans le réseau souterrain ou remontant de ce réseau au travers d' ouverture du fait que les moyens d' articulation de la grille sont fixé sur la paroi horizontale, perpendiculaire au côté vertical correspondant du cadre en dehors de cette ouverture ; et  in the standing position of the safety grille, the opening of the frame is completely clear without the risk of injury to an operator returning to the underground network or coming up from this network through an opening because the means of articulation of the grid are fixed on the horizontal wall, perpendicular to the corresponding vertical side of the frame outside this opening; and
le démontage des boulons d' articulation de la grille au cadre est facilité du fait que les boulons d'articulation sont situés au-dessus de la paroi interne horizontale délimitant l'ouverture du cadre de sorte que l'opérateur n'a pas besoin de se pencher énormément pour accéder au boulon d'articulation. disassembly of the hinge bolts from the grid to the frame is facilitated by the fact that the bolts hinge are located above the horizontal inner wall defining the opening of the frame so that the operator does not need to bend heavily to access the hinge bolt.

Claims

R E V E N D I C A T I O N S
1. Ensemble comprenant un cadre de support (2) et une seule grille de sécurité antichute (7) montée articulée à un côté (2b ; 2c) du cadre de support (2) de manière à occuper une position debout de dégagement de l'ouverture (0) du cadre (2) ou une position rabattue de fermeture de l'ouverture (0) du cadre (2), caractérisé en ce que la grille (7) peut être montée articulée au côté opposé (2c ; 2b) du cadre (2) . 1. An assembly comprising a support frame (2) and a single fall-arresting safety grid (7) mounted hinged on one side (2b; 2c) of the support frame (2) so as to occupy an upright position of disengagement opening (0) of the frame (2) or a folded position for closing the opening (0) of the frame (2), characterized in that the grid (7) can be articulated to the opposite side (2c; 2b) of the frame (2).
2. Ensemble selon la revendication 1, caractérisé en ce que le cadre (2) comporte à chacun de deux de ses côtés opposés (2b, 2c) un moyen d'articulation (10) et la grille (7) comporte sur un seul (7a) de ses côtés un moyen d'articulation (8) pouvant être amoviblement fixé à l'un ou l'autre des moyens d'articulation (10) du cadre (2) .  2. An assembly according to claim 1, characterized in that the frame (2) comprises at each of two of its opposite sides (2b, 2c) a hinge means (10) and the gate (7) comprises on one ( 7a) on its sides a hinge means (8) can be removably attached to one or other of the hinge means (10) of the frame (2).
3. Ensemble selon la revendication 2, caractérisé en ce que le moyen d' articulation à chaque côté du cadre comprend deux chapes (10) espacées solidaires du côté (2b ; 2c) du cadre (2) le long de celui-ci et le moyen d'articulation de la grille (7) comprend deux pattes (8) solidaires du côté (7a) de la grille (7) perpendiculairement à celui-ci et amoviblement fixées par des boulons (12) respectivement aux chapes (10) du cadre (2) .  3. An assembly according to claim 2, characterized in that the hinge means on each side of the frame comprises two spaced spaced clevises (10) on the side (2b; 2c) of the frame (2) along the latter and the means for articulating the grid (7) comprises two tabs (8) secured to the side (7a) of the grid (7) perpendicular thereto and removably fixed by bolts (12) respectively to the clevises (10) of the frame (2).
4. Ensemble selon la revendication 2 ou 3, caractérisé en ce qu'elle comprend deux pattes (13) solidaires de son côté (7c) opposé à celui comportant le moyen d'articulation (8) et pouvant venir en appui, en position rabattue de la grille (7), sur le côté (2c ; 2b) du cadre (2) opposé à celui (2b ; 2c) auquel est articulée la grille (7) .  4. An assembly according to claim 2 or 3, characterized in that it comprises two lugs (13) integral with its side (7c) opposite to that comprising the hinge means (8) and can bear, in the folded position of the grid (7), on the side (2c; 2b) of the frame (2) opposite to that (2b; 2c) to which the grid (7) is articulated.
5. Ensemble selon l'une des revendications précédentes, caractérisé en ce qu'elle est autobloquée à sa position debout. 5. Assembly according to one of the preceding claims, characterized in that it is self-locking in its standing position.
6. Ensemble selon la revendication 3 lorsque considérée en combinaison avec la revendication 5, caractérisé en ce que chaque patte (8) située entre deux branches (10a) d'une chape (10) comprend une lumière oblongue traversée par un boulon (12) solidaire de ces branches (10a) et qui permet à la grille (7) de descendre par gravité à sa position debout jusqu'à ce que l'extrémité supérieure de la lumière oblongue (9) vienne en appui sur le boulon (12) et l'extrémité inférieure de la patte (8) soit en appui contre une paroi dorsale (10c) de la chape (10) de manière à autobloquer la patte (8) dans la chape (10) . 6. The assembly of claim 3 when considered in combination with claim 5, characterized in that each tab (8) between two legs (10a) of a yoke (10) comprises an oblong slot through which a bolt (12) secured to these branches (10a) and which allows the grid (7) to descend by gravity to its upright position until the upper end of the oblong slot (9) bears on the bolt (12) and the lower end of the lug (8) bears against a back wall (10c) of the yoke (10) so as to lock the lug (8) in the yoke (10).
7. Ensemble selon l'une des revendications 3 à 5, caractérisé en ce qu'elle est maintenue à sa position debout par appui des pattes d'articulation (8) sur la face interne du côté correspondant du cadre (2) .  7. Assembly according to one of claims 3 to 5, characterized in that it is maintained in its upright position by support of the hinge lugs (8) on the inner face of the corresponding side of the frame (2).
8. Ensemble selon l'une des revendications 2 à 7, caractérisé en ce que les moyens d'articulation (10) des côtés (2b ; 2c) du cadre (2) sont solidaires respectivement de deux parois internes (11) perpendiculaires aux côtés (2b ; 2c) du cadre (2) et en ce qu'en sa position rabattue, la grille (7) est logée dans le cadre (2) .  8. Assembly according to one of claims 2 to 7, characterized in that the hinge means (10) of the sides (2b; 2c) of the frame (2) are secured respectively to two inner walls (11) perpendicular to the sides (2b, 2c) of the frame (2) and in that in its folded position, the grid (7) is housed in the frame (2).
9. Dispositif de voirie comprenant un cadre (2) solidaire du sol, un élément de recouvrement (3) , tel qu'une trappe ou un tampon, monté articulé à un côté du cadre (2) entre une position rabattue de fermeture de l'ouverture (0) du cadre (2) et une position debout de dégagement de l'ouverture (0) du cadre (2), et une grille de sécurité antichute (7) montée articulée à un côté (2b ; 2c) du cadre (2) perpendiculaire au côté (2a) de ce cadre auquel est articulé l'élément de couronnement (3) de manière à occuper une position debout de dégagement de l'ouverture (0) du cadre (2) ou une position rabattue de fermeture de l'ouverture (0) du cadre (2) lorsque l'élément de couronnement (3) occupe sa position debout, caractérisé en ce que la grille (7) peut être montée articulée au côté opposé (2c ; 2b) du cadre (2) conformément à l'une quelconque des revendications 1 à 8. 9. Road device comprising a frame (2) secured to the ground, a cover member (3), such as a hatch or a buffer, mounted hinged to one side of the frame (2) between a folded position of closure of the opening (0) of the frame (2) and a standing position for disengaging the opening (0) from the frame (2), and a safety fall-arresting grid (7) mounted hinged to one side (2b; 2c) of the frame (2) perpendicular to the side (2a) of this frame to which is articulated the cap element (3) so as to occupy a standing position of clearance of the opening (0) of the frame (2) or a folded closed position the opening (0) of the frame (2) when the cap element (3) is in its upright position, characterized in that the grid (7) can be mounted hinged to the opposite side (2c; 2b) of the frame (2) according to any one of claims 1 to 8.
1 0. Dispositif de voirie selon la revendication 9, caractérisé en ce qu'en position rabattue de la grille (7) dans le cadre, l'élément de couronnement (3) peut être rabattu dans le cadre (2) en recouvrant la grille (7) .  1 0. A road device according to claim 9, characterized in that in the folded position of the grid (7) in the frame, the cap element (3) can be folded into the frame (2) covering the grid (7).
1 1. Dispositif de voirie selon la revendication 9 ou 10, caractérisé en ce le cadre (2) est rectangulaire.  1 1. Road device according to claim 9 or 10, characterized in that the frame (2) is rectangular.
EP12714765.0A 2011-03-17 2012-03-13 Assembly comprising a supporting frame and a reversible anti-fall safety grid Active EP2686489B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1152214A FR2972735B1 (en) 2011-03-17 2011-03-17 REVERSIBLE ANCHORING SAFETY GRID THAT CAN BE MOUNTED TO EITHER OF THE TWO OPPOSED SIDES OF A SUPPORT FRAME
PCT/FR2012/050517 WO2012123672A2 (en) 2011-03-17 2012-03-13 Assembly comprising a supporting frame and a reversible anti-fall safety grid that can be mounted on either of the two opposing sides of the frame in an articulated manner

Publications (2)

Publication Number Publication Date
EP2686489A2 true EP2686489A2 (en) 2014-01-22
EP2686489B1 EP2686489B1 (en) 2017-11-01

Family

ID=45974390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12714765.0A Active EP2686489B1 (en) 2011-03-17 2012-03-13 Assembly comprising a supporting frame and a reversible anti-fall safety grid

Country Status (3)

Country Link
EP (1) EP2686489B1 (en)
FR (1) FR2972735B1 (en)
WO (1) WO2012123672A2 (en)

Cited By (1)

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US11697941B2 (en) 2020-06-05 2023-07-11 Michael Barta Handrail system and methods of use

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9303441B2 (en) * 2014-01-31 2016-04-05 U.S.F. Fabrication, Inc. Access door with lift assist
US11466462B2 (en) * 2018-09-12 2022-10-11 The Boeing Company Rotating mount folding guardrail
US11466461B1 (en) * 2019-04-27 2022-10-11 Luis Jones Actuatable assemblies

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
FR2115757A5 (en) * 1970-11-27 1972-07-07 Caviglia Serge
US6640495B1 (en) * 1999-01-21 2003-11-04 Syracuse Castings Sales Corp. Safety hatch for preventing fall-through and unauthorized entry
FR2897624B1 (en) * 2006-02-23 2008-05-02 Five Services Sarl AUTOMATED ACCESS TRAPPER SYSTEM WITH RETRACTABLE BACKHOE
FR2937061B1 (en) * 2008-10-10 2010-09-24 La Rouere Richard De ARTICULATED BARRIER RETRACTABLE IN THE WORK INTENDED FOR THE SAFETY OF ACCESS TO UNDERGROUND ROOMS AFTER OPENING CLOSURE PADS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11697941B2 (en) 2020-06-05 2023-07-11 Michael Barta Handrail system and methods of use

Also Published As

Publication number Publication date
WO2012123672A3 (en) 2013-07-18
FR2972735A1 (en) 2012-09-21
FR2972735B1 (en) 2013-11-08
EP2686489B1 (en) 2017-11-01
WO2012123672A2 (en) 2012-09-20

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