EP0681066A1 - Articulation device for a cover on a frame, in particular for closing an opening in a roadway - Google Patents

Articulation device for a cover on a frame, in particular for closing an opening in a roadway Download PDF

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Publication number
EP0681066A1
EP0681066A1 EP95401041A EP95401041A EP0681066A1 EP 0681066 A1 EP0681066 A1 EP 0681066A1 EP 95401041 A EP95401041 A EP 95401041A EP 95401041 A EP95401041 A EP 95401041A EP 0681066 A1 EP0681066 A1 EP 0681066A1
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EP
European Patent Office
Prior art keywords
frame
tongue
notch
ears
wall
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
EP95401041A
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German (de)
French (fr)
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EP0681066B1 (en
Inventor
Bruno Raymond Victor Tourte
Jean-Jacques Maurice Monneret
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.)
Norinco SA
Original Assignee
Norinco SA
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Filing date
Publication date
Application filed by Norinco SA filed Critical Norinco SA
Publication of EP0681066A1 publication Critical patent/EP0681066A1/en
Application granted granted Critical
Publication of EP0681066B1 publication Critical patent/EP0681066B1/en
Anticipated expiration legal-status Critical
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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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1463—Hinged connection of cover to frame
    • 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

Definitions

  • the present invention relates to a device for articulating a tampon on a frame.
  • each buffer does not always position themselves correctly on the frame when they are brought to their closed position.
  • the articulation of each buffer is generally located outside the frame, thus leading to an attachment and a cantilevered articulation of each buffer.
  • the object of the present invention is to eliminate the above drawbacks of known articulation devices.
  • the invention provides a device for articulating a tampon on a frame by means of articulation axes of the tampon to the frame and which is characterized in that it comprises at least two ears provided under the tampon. one of which is provided with a lug, a tongue vertically integral with a wall of the frame and held between the two ears by a removable hinge pin passing through the ears and the tongue, the wall of the frame comprising a notch cooperating with the lug so that in the high opening position of the tampon the lug falls into the notch and locks the tampon in this position and that by lifting the tampon from its high opening position, the lug is released from the notch to allow the pad to be brought to its closed position.
  • the two ears each comprise a rounded angular part bearing on the aforementioned wall of the frame, in particular during the pivoting of the pad to its open position.
  • the notch is made both on an upper part for supporting the tongue and a part of the side wall of the aforementioned wall of the frame.
  • the frame includes a housing located behind the notch and constituting a clearance space for the lug.
  • the device comprises a second notch made on the top of the tongue and cooperating with a part of the tampon to participate with the first notch in locking the tampon in its high open position.
  • the aforementioned locking portion of the tampon comprises a substantially U-shaped opening in which the tongue engages so that the bottom edge of the opening rests in the notch of the tongue in the high opening position of the tampon.
  • the tongue has a hole for passing the hinge pin greater than the diameter of the latter and the two ears have holes for passing the hinge pin which are oblong and deformed.
  • the holes in the ears and the tongue cooperate so as to allow the tampon, when brought to its closed position, to always be plumb with the frame which receives it.
  • the upper and lateral parts of the aforementioned wall of the frame are integral with the peripheral side wall of the frame and have in cross section substantially the shape of an isosceles trapezoid with the upper part of the support wall of the tongue forming the small base of the trapezium. horizontal.
  • the ears also bear by their rounded angular parts on the support wall of the tongue during the pivoting of the tampon to its closed position to allow support elements of the tampon to come to be placed just above the edges. corresponding lower support of the frame.
  • the abovementioned support elements hold the tampon in its closed position so that the two ears are slightly spaced from the support wall of the tongue.
  • Figure 1 is a top view of two closure pads of an opening in a roadway and provided with articulation devices according to the invention.
  • FIG. 2 is an enlarged exploded view of a hinge device of the invention according to arrow II in FIG. 1.
  • Figure 3 is an enlarged sectional view along line III-III of Figure 1.
  • Figures 4 and 5 are sectional views of part of Figure 3 and showing the device of the invention respectively at a position for blocking a tampon in its high open position and an intermediate position for the front tampon bring it to the closed position.
  • Figure 6 shows the pad in its frame in an intermediate position at 45 ° to the opening or closing.
  • the device for closing an opening made for example in a roadway comprises a rectangular metal frame 1 fixed in the opening (not shown) of conjugate shape of the roadway and two buffers or lids 2 of complementary shapes , in this case triangular, connected to the frame 1 by a number of hinge pins 3 so as to occupy a folded position closing the opening or a high opening position thereof.
  • the invention is not limited to the rectangular shape of the frame 1 as well as that of each pad and the two articulated pads can be replaced by a single articulated pad of shape conjugated to the frame 1.
  • Each pad 2 comprises, integral with it, a certain number of holding feet 4 bearing on horizontal lower edges 5 integral with the peripheral side wall 6 of the frame 1 when the pad 2 occupies its closed position.
  • Each pad 2 can also include reinforcing ribs 2a, only one of which is shown.
  • the articulation device comprises a number of pairs of parallel ears 7 fixed under the pad 2 perpendicularly thereto, one of the ears 7 of each pair comprising a lug 8 secured to one side of the ear 7 by projecting from the pad 2 below the latter and situated substantially in the same plane as the ear 7.
  • the ears 7 comprising rounded angular parts 7a situated at their lower corners on the same side as the lug 8.
  • the device also comprises as many tongues 9 as there are pairs of ears 7.
  • Each tongue 9 is vertically integral both with the peripheral side wall 6 of the frame 1 and with a horizontal upper wall part 10 itself even integral with the side wall 6 perpendicular to the latter.
  • Each tongue 9 is housed between two corresponding ears 7 and fixed between them by the corresponding articulation axis 3 passing through two holes 11 respectively of the two ears 7 and a hole 12 drilled through the tongue 9.
  • Each axis d hinge 3 has a bent end and its opposite end comprising a bore 3a in which engages a cylindrical pin 13 so as to immobilize in translation the hinge pin 3 relative to the ears 7 while being removable by simple manual removal of the pin 13.
  • the hole 12 of the tongue 9 has a diameter greater than the diameter of the hinge pin 3 and the two holes 11 ears 7 each have a deformed oblong shape. The role of these holes will be explained later.
  • the upper wall part 10 is connected on each side to a side wall 14 which is itself connected to a lower edge 5 of the leg support 4. As shown, the upper walls 10 and side 14 have in cross section the shape of an isosceles trapezium whose small base is formed by the upper wall 10.
  • the device further comprises a notch 15 made both on the upper wall 10 and one of the side walls 14 and of sufficient size to allow passage of the lug 8 through it.
  • the tongue 9 also includes a notch 16 made on top of it.
  • the side wall 6 of the frame 1 comprises a certain number of housings 17 each located behind the notches 15 and 16 and allowing the movement of the corresponding lug 8 during the pivoting of the pad 2.
  • the pad 2 comprises several slots 18 substantially in the shape of a U of a number equal to the number of tabs 9 and cut through the wall of the pad 2 by opening at an edge thereof on the same side as the lug 8.
  • Each light 18 is located between two ears 7 above these and receives a tongue 9 so that in the high open position of the pad 2 the bottom edge 18a of the tongue 18 (base of the U thereof ) rests at this position in the notch 16.
  • FIG. 3 represents the pad 2 in the closed position of the opening delimited by the frame 1.
  • the pad 2 rests on the frame 1 by its feet 4 bearing on the lower edges 5 of the frame 1 so that the lower edges of the ears 7 are slightly spaced above the upper wall 10 extending on either side of the tongue 9.
  • Each lug 8 is partly housed in the housing 17.
  • the angular parts 7a rounded ears 7 come to bear on the upper wall 10 and each lug 8 can move freely relative to the frame 1 through the housing 17.
  • each lug 8 falls freely in its corresponding notch 15 and the bottom edge 18a of a lumen 18 abuts in the corresponding notch 16 of the tongue 9 so as to lock or block the buffer 2 in this position.
  • This is made possible by the deformed oblong shape of the holes 11 of each pair of ears 7 which allow the pad 2 to move downwards relative to the frame 1 at its position shown in FIG. 4.
  • holes 11 of the ears 7 and the hole 12 of each tongue 9 cooperate so as to allow the pad 2, when it is brought to its closed position, to always be in line with the frame 1 which receives it. These holes at the same time prevent any jamming of the buffer 2 during its movements.
  • FIG. 6 highlights the effect of the tilting ramp of the ears 7.
  • the device according to the invention is therefore arranged to prevent any untimely closing of open buffers, thus helping to effectively ensure the safety of users.
  • the articulated pads are always positioned correctly on the frame and, because the joints are inside the frame, it avoids a fixing and a cantilever joint of these pads.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Superstructure Of Vehicle (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Tents Or Canopies (AREA)
  • Sewage (AREA)

Abstract

The hinge connects a manhole cover (2) to a frame (1) set in a road surface, and consists of at least two lugs (7) on the underside of the cover, one of which has a projection (8), and a vertical tongue (9) fixed to the frame. The tongue is inserted between the two lugs and held in place by a detachable hinge pin (3), while the frame has a notch (15) in it to receive the projection when the cover is raised, holding the cover in the open position. The cover is released again by lifting it before closing. Each of the lugs has a rounded corner (7a) which presses against the wall (10) of the frame as the cover is opened, and the frame has a recess (17) situated to the rear of the notch and providing room for the notch to move as the cover is opened and closed. The top of the tongue has a second notch (16) to engage with a U-shaped recess (18) in the cover when the latter is open. <IMAGE>

Description

La présente invention concerne un dispositif d'articulation d'un tampon sur un cadre.The present invention relates to a device for articulating a tampon on a frame.

On connaît de tels dispositifs utilisés pour obturer des ouvertures dans des chaussées et se composant ainsi d'un cadre sur lequel est articulé, par des axes d'articulation, un tampon ou couvercle ou plusieurs couvercles complémentaires, par exemple triangulaires.There are known such devices used to close openings in roadways and thus consisting of a frame on which is articulated, by hinge pins, a pad or cover or several complementary covers, for example triangular.

Cependant, ces dispositifs connus ont pour inconvénient que lorsque le ou les tampons sont ouverts, ils peuvent se fermer intempestivement, à moins de prévoir des jambes de maintien du ou des tampons à leur position d'ouverture, ce qui complique davantage la structure de ces dispositifs.However, these known devices have the drawback that when the pad (s) are open, they can close unexpectedly, unless there are legs to hold the pad (s) in their open position, which further complicates the structure of these pads. devices.

De plus, les tampons articulés connus ne se positionnent pas toujours correctement sur le cadre lorsqu'on les amène à leur position de fermeture. En outre, l'articulation de chaque tampon se trouve généralement en dehors du cadre conduisant ainsi à une fixation et une articulation en porte-à-faux de chaque tampon.In addition, the known articulated pads do not always position themselves correctly on the frame when they are brought to their closed position. In addition, the articulation of each buffer is generally located outside the frame, thus leading to an attachment and a cantilevered articulation of each buffer.

La présente invention a pour but d'éliminer les inconvénients ci-dessus des dispositifs d'articulation connus.The object of the present invention is to eliminate the above drawbacks of known articulation devices.

A cet effet, l'invention propose un dispositif d'articulation d'un tampon sur un cadre au moyen d'axes d'articulation du tampon au cadre et qui est caractérisé en ce qu'il comprend au moins deux oreilles prévues sous le tampon dont l'une est munie d'un ergot, une languette verticalement solidaire d'une paroi du cadre et maintenue entre les deux oreilles par un axe d'articulation amovible traversant les oreilles et la languette, la paroi du cadre comprenant une encoche coopérant avec l'ergot de façon qu'en position haute d'ouverture du tampon l'ergot tombe dans l'encoche et verrouille le tampon à cette position et que par soulèvement du tampon à partir de sa position haute d'ouverture, l'ergot soit dégagé de l'encoche pour permettre d'amener le tampon à sa position de fermeture.To this end, the invention provides a device for articulating a tampon on a frame by means of articulation axes of the tampon to the frame and which is characterized in that it comprises at least two ears provided under the tampon. one of which is provided with a lug, a tongue vertically integral with a wall of the frame and held between the two ears by a removable hinge pin passing through the ears and the tongue, the wall of the frame comprising a notch cooperating with the lug so that in the high opening position of the tampon the lug falls into the notch and locks the tampon in this position and that by lifting the tampon from its high opening position, the lug is released from the notch to allow the pad to be brought to its closed position.

Avantageusement, les deux oreilles comprennent chacune une partie angulaire arrondie prenant appui la paroi précitée du cadre, notamment lors du pivotement du tampon à sa position d'ouverture.Advantageously, the two ears each comprise a rounded angular part bearing on the aforementioned wall of the frame, in particular during the pivoting of the pad to its open position.

L'encoche est réalisée à la fois sur une partie supérieure de support de la languette et une partie de paroi latérale de la paroi précitée du cadre.The notch is made both on an upper part for supporting the tongue and a part of the side wall of the aforementioned wall of the frame.

Le cadre comprend un logement situé derrière l'encoche et constituant un espace de débattement pour l'ergot.The frame includes a housing located behind the notch and constituting a clearance space for the lug.

Le dispositif comprend une deuxième encoche réalisée sur le dessus de la languette et coopérant avec une partie du tampon pour participer avec la première encoche au verrouillage du tampon à sa position haute d'ouverture.The device comprises a second notch made on the top of the tongue and cooperating with a part of the tampon to participate with the first notch in locking the tampon in its high open position.

La partie de verrouillage précitée du tampon comprend une lumière sensiblement en forme de U dans laquelle s'engage la languette de façon que le bord de fond de la lumière repose dans l'encoche de la languette en position haute d'ouverture du tampon.The aforementioned locking portion of the tampon comprises a substantially U-shaped opening in which the tongue engages so that the bottom edge of the opening rests in the notch of the tongue in the high opening position of the tampon.

De préférence, la languette a un trou de passage de l'axe d'articulation supérieur au diamètre de ce dernier et les deux oreilles ont des trous de passage de l'axe d'articulation qui sont oblongs et déformés.Preferably, the tongue has a hole for passing the hinge pin greater than the diameter of the latter and the two ears have holes for passing the hinge pin which are oblong and deformed.

Les trous dans les oreilles et la languette coopèrent de façon à permettre au tampon, lorsqu'on l'amène à sa position de fermeture, de toujours se trouver à l'aplomb du cadre qui le reçoit.The holes in the ears and the tongue cooperate so as to allow the tampon, when brought to its closed position, to always be plumb with the frame which receives it.

Les parties supérieure et latérales de la paroi précitée du cadre sont solidaires de la paroi latérale périphérique du cadre et présentent en section transversale sensiblement la forme d'un trapèze isocèle avec la partie supérieure de paroi de support de la languette formant la petite base du trapèze horizontale.The upper and lateral parts of the aforementioned wall of the frame are integral with the peripheral side wall of the frame and have in cross section substantially the shape of an isosceles trapezoid with the upper part of the support wall of the tongue forming the small base of the trapezium. horizontal.

Avantageusement, les oreilles prennent également appui par leurs parties angulaires arrondies sur la paroi de support de la languette lors du pivotement du tampon à sa position de fermeture pour permettre à des éléments d'appui du tampon de venir se placer juste au-dessus de bords inférieurs d'appui correspondants du cadre.Advantageously, the ears also bear by their rounded angular parts on the support wall of the tongue during the pivoting of the tampon to its closed position to allow support elements of the tampon to come to be placed just above the edges. corresponding lower support of the frame.

Les éléments d'appui précités maintiennent le tampon à sa position de fermeture de façon que les deux oreilles soient légèrement espacées de la paroi de support de la languette.The abovementioned support elements hold the tampon in its closed position so that the two ears are slightly spaced from the support wall of the tongue.

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 schématiques 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 follows, made with reference to the appended schematic drawings given solely by way of example illustrating an embodiment. of the invention and in which:

La figure 1 est une vue de dessus de deux tampons de fermeture d'une ouverture dans une chaussée et munis de dispositifs d'articulation suivant l'invention.Figure 1 is a top view of two closure pads of an opening in a roadway and provided with articulation devices according to the invention.

La figure 2 est une vue éclatée agrandie d'un dispositif d'articulation de l'invention suivant la flèche II de la figure 1.FIG. 2 is an enlarged exploded view of a hinge device of the invention according to arrow II in FIG. 1.

La figure 3 est une vue agrandie en coupe suivant la ligne III-III de la figure 1.Figure 3 is an enlarged sectional view along line III-III of Figure 1.

Les figures 4 et 5 sont des vues en coupe d'une partie de la figure 3 et représentant le dispositif de l'invention respectivement à une position de blocage d'un tampon à sa position haute d'ouverture et une position intermédiaire du tampon avant de l'amener en position de fermeture.Figures 4 and 5 are sectional views of part of Figure 3 and showing the device of the invention respectively at a position for blocking a tampon in its high open position and an intermediate position for the front tampon bring it to the closed position.

La figure 6 représente le tampon dans son cadre en position intermédiaire à 45° vers l'ouverture ou sa fermeture.Figure 6 shows the pad in its frame in an intermediate position at 45 ° to the opening or closing.

En se reportant aux figures, le dispositif permettant d'obturer une ouverture réalisée par exemple dans une chaussée comprend un cadre métallique rectangulaire 1 fixé dans l'ouverture (non représentée) de forme conjuguée de la chaussée et deux tampons ou couvercles 2 de formes complémentaires, dans le cas présent triangulaires, reliés au cadre 1 par un certain nombre d'axes d'articulation 3 de façon à occuper une position rabattue d'obturation de l'ouverture ou une position haute d'ouverture de celle-ci. Cependant, l'invention n'est pas limitée à la forme rectangulaire du cadre 1 ainsi qu'à celle de chaque tampon et les deux tampons articulés peuvent être remplacés par un tampon unique articulé de forme conjuguée au cadre 1.Referring to the figures, the device for closing an opening made for example in a roadway comprises a rectangular metal frame 1 fixed in the opening (not shown) of conjugate shape of the roadway and two buffers or lids 2 of complementary shapes , in this case triangular, connected to the frame 1 by a number of hinge pins 3 so as to occupy a folded position closing the opening or a high opening position thereof. However, the invention is not limited to the rectangular shape of the frame 1 as well as that of each pad and the two articulated pads can be replaced by a single articulated pad of shape conjugated to the frame 1.

Chaque tampon 2 comprend, solidaires sous celui-ci, un certain nombre de pieds de maintien 4 en appui sur des bords inférieurs horizontaux 5 solidaires de la paroi latérale périphérique 6 du cadre 1 lorsque le tampon 2 occupe sa position de fermeture. Chaque tampon 2 peut également comporter des nervures de renforcement 2a, dont une seule est représentée.Each pad 2 comprises, integral with it, a certain number of holding feet 4 bearing on horizontal lower edges 5 integral with the peripheral side wall 6 of the frame 1 when the pad 2 occupies its closed position. Each pad 2 can also include reinforcing ribs 2a, only one of which is shown.

Le dispositif d'articulation conforme à l'invention comprend un certain nombre de paires d'oreilles parallèles 7 fixées sous le tampon 2 perpendiculairement à celui-ci, l'une des oreilles 7 de chaque paire comportant un ergot 8 solidaire d'un côté de l'oreille 7 en faisant saillie du tampon 2 en dessous de celui-ci et situé sensiblement dans le même plan que l'oreille 7. Les oreilles 7 comportant des parties angulaires arrondies 7a situées à leurs coins inférieurs du même côté que l'ergot 8.The articulation device according to the invention comprises a number of pairs of parallel ears 7 fixed under the pad 2 perpendicularly thereto, one of the ears 7 of each pair comprising a lug 8 secured to one side of the ear 7 by projecting from the pad 2 below the latter and situated substantially in the same plane as the ear 7. The ears 7 comprising rounded angular parts 7a situated at their lower corners on the same side as the lug 8.

Le dispositif comprend également autant de languettes 9 qu'il y a de paires d'oreilles 7. Chaque languette 9 est solidaire verticalement à la fois de la paroi latérale périphérique 6 du cadre 1 et d'une partie de paroi supérieure horizontale 10 elle-même solidaire de la paroi latérale 6 perpendiculairement à cette dernière. Chaque languette 9 est logée entre deux oreilles correspondantes 7 et fixée entre celles-ci par l'axe d'articulation correspondant 3 passant à travers deux trous 11 respectivement des deux oreilles 7 et un trou 12 percé à travers la languette 9. Chaque axe d'articulation 3 a une extrémité coudée et son extrémité opposée comportant un perçage 3a dans lequel s'engage une goupille cylindrique 13 de façon à immobiliser en translation l'axe d'articulation 3 relativement aux oreilles 7 tout en étant amovible par simple retrait manuel de la goupille 13.The device also comprises as many tongues 9 as there are pairs of ears 7. Each tongue 9 is vertically integral both with the peripheral side wall 6 of the frame 1 and with a horizontal upper wall part 10 itself even integral with the side wall 6 perpendicular to the latter. Each tongue 9 is housed between two corresponding ears 7 and fixed between them by the corresponding articulation axis 3 passing through two holes 11 respectively of the two ears 7 and a hole 12 drilled through the tongue 9. Each axis d hinge 3 has a bent end and its opposite end comprising a bore 3a in which engages a cylindrical pin 13 so as to immobilize in translation the hinge pin 3 relative to the ears 7 while being removable by simple manual removal of the pin 13.

Le trou 12 de la languette 9 a un diamètre supérieur au diamètre de l'axe d'articulation 3 et les deux trous 11 des oreilles 7 ont chacun une forme oblongue déformée. Le rôle de ces trous sera expliqué ultérieurement.The hole 12 of the tongue 9 has a diameter greater than the diameter of the hinge pin 3 and the two holes 11 ears 7 each have a deformed oblong shape. The role of these holes will be explained later.

La partie de paroi supérieure 10 est raccordée de chaque côté à une paroi latérale 14 elle-même raccordée à un bord inférieur 5 d'appui de pieds 4. Comme représenté, les parois supérieure 10 et latérales 14 présentent en section transversale la forme d'un trapèze isocèle dont la petite base est formée par la paroi supérieure 10.The upper wall part 10 is connected on each side to a side wall 14 which is itself connected to a lower edge 5 of the leg support 4. As shown, the upper walls 10 and side 14 have in cross section the shape of an isosceles trapezium whose small base is formed by the upper wall 10.

Le dispositif comprend de plus une encoche 15 réalisée à la fois sur la paroi supérieure 10 et l'une des parois latérale 14 et de dimension suffisante pour permettre un passage de l'ergot 8 à travers celle-ci. La languette 9 comprend également une encoche 16 réalisée sur le dessus de celle-ci. La paroi latérale 6 du cadre 1 comprend un certain nombre de logements 17 situés chacun en arrière des encoches 15 et 16 et permettant le débattement de l'ergot correspondant 8 lors du pivotement du tampon 2.The device further comprises a notch 15 made both on the upper wall 10 and one of the side walls 14 and of sufficient size to allow passage of the lug 8 through it. The tongue 9 also includes a notch 16 made on top of it. The side wall 6 of the frame 1 comprises a certain number of housings 17 each located behind the notches 15 and 16 and allowing the movement of the corresponding lug 8 during the pivoting of the pad 2.

Le tampon 2 comprend plusieurs lumières 18 sensiblement en forme de U d'un nombre égal au nombre de languettes 9 et découpées à travers la paroi du tampon 2 en débouchant à un bord de celle-ci du même côté que l'ergot 8. Chaque lumière 18 est située entre deux oreilles 7 au-dessus de celles-ci et reçoit une languette 9 de façon qu'en position haute d'ouverture du tampon 2 le bord de fond 18a de la languette 18 (base du U de celle-ci) repose à cette position dans l'encoche 16.The pad 2 comprises several slots 18 substantially in the shape of a U of a number equal to the number of tabs 9 and cut through the wall of the pad 2 by opening at an edge thereof on the same side as the lug 8. Each light 18 is located between two ears 7 above these and receives a tongue 9 so that in the high open position of the pad 2 the bottom edge 18a of the tongue 18 (base of the U thereof ) rests at this position in the notch 16.

Le fonctionnement du dispositif de l'invention ressort déjà de la description qui en a été faite ci-dessus et va être maintenant expliqué en référence notamment aux figures 3 à 5.The operation of the device of the invention already emerges from the description which has been given above and will now be explained with reference in particular to FIGS. 3 to 5.

La figure 3 représente le tampon 2 en position de fermeture de l'ouverture délimitée par le cadre 1. A cette position, le tampon 2 repose sur le cadre 1 par ses pieds 4 en appui sur les bords inférieurs 5 du cadre 1 de façon que les bords inférieurs des oreilles 7 soient légèrement espacés au-dessus de la paroi supérieure 10 s'étendant de part et d'autre de la languette 9. Chaque ergot 8 se trouve en partie logé dans le logement 17. Pour accéder à l'ouverture de la chaussée, il suffit de soulever chaque tampon 2 dans le sens indiqué par la flèche F1 en figure 3 pour que le tampon 2 puisse pivoter relativement au cadre 1 autour de chaque axe d'articulation 3. Lors de ce pivotement, les parties angulaires arrondies 7a des oreilles 7 viennent en appui sur la paroi supérieure 10 et chaque ergot 8 peut se déplacer librement relativement au cadre 1 grâce au logement 17.FIG. 3 represents the pad 2 in the closed position of the opening delimited by the frame 1. At this position, the pad 2 rests on the frame 1 by its feet 4 bearing on the lower edges 5 of the frame 1 so that the lower edges of the ears 7 are slightly spaced above the upper wall 10 extending on either side of the tongue 9. Each lug 8 is partly housed in the housing 17. To access the opening of the roadway, it suffices to lift each buffer 2 in the direction indicated by the arrow F1 in FIG. 3 so that the buffer 2 can pivot relative to the frame 1 around each articulation axis 3. During this pivoting, the angular parts 7a rounded ears 7 come to bear on the upper wall 10 and each lug 8 can move freely relative to the frame 1 through the housing 17.

Lorsque le tampon 2 arrive à une position haute d'ouverture approximativement verticale représentée en figure 4, chaque ergot 8 tombe librement dans son encoche correspondante 15 et le bord de fond 18a d'une lumière 18 vient en butée dans l'encoche correspondante 16 de la languette 9 de façon à verrouiller ou bloquer le tampon 2 à cette position. Ceci est rendu possible par la forme oblongue déformée des trous 11 de chaque paire d'oreilles 7 qui permettent un déplacement vers le bas du tampon 2 relativement au cadre 1 à sa position représentée en figure 4.When the pad 2 arrives at an approximately vertical opening high position shown in FIG. 4, each lug 8 falls freely in its corresponding notch 15 and the bottom edge 18a of a lumen 18 abuts in the corresponding notch 16 of the tongue 9 so as to lock or block the buffer 2 in this position. This is made possible by the deformed oblong shape of the holes 11 of each pair of ears 7 which allow the pad 2 to move downwards relative to the frame 1 at its position shown in FIG. 4.

Pour ramener le tampon 2 à sa position de fermeture, il suffit de le soulever dans le sens indiqué par la flèche F2 en figure 4 pour dégager à la fois l'ergot 8 de son encoche 15 et le bord de fond 18a de la lumière 18 de l'encoche 16 d'une hauteur relative définie par la forme oblongue des trous 11 et à laquelle les trous 11 viennent en butée sur l'axe 3 comme représenté en figure 5. A partir de la position représentée en figure 5, le tampon 2 est basculé autour de l'axe 3 dans le sens indiqué par la flèche F3 jusqu'à ce que les parties angulaires arrondies 7a viennent de nouveau en appui sur la paroi supérieure 10 de façon à continuer le pivotement du tampon 2 avec déplacement libre de l'ergot 8 dans son logement 17 jusqu'à la position de fermeture de la figure 1 et à permettre aux pieds 4 de se placer juste au-dessus des bords 5.To return the pad 2 to its closed position, it suffices to lift it in the direction indicated by the arrow F2 in FIG. 4 to release both the lug 8 from its notch 15 and the bottom edge 18a from the light 18 the notch 16 of a relative height defined by the oblong shape of the holes 11 and to which the holes 11 come in abutment on the axis 3 as shown in Figure 5. From the position shown in Figure 5, the pad 2 is tilted around the axis 3 in the direction indicated by the arrow F3 until the angular parts 7a rounded again come to bear on the upper wall 10 so as to continue the pivoting of the pad 2 with free movement of the lug 8 in its housing 17 to the closed position of Figure 1 and to allow the feet 4 to be placed just above the edges 5.

On notera que la mise en appui des parties angulaires arrondies 7a sur la paroi supérieure 10 lors du pivotement du tampon 2 aussi bien à sa position d'ouverture qu'à position de fermeture permet de soulager non seulement les articulations 3 mais également la personne manoeuvrant le tampon 2.It will be noted that the bearing of the rounded angular parts 7a on the upper wall 10 during the pivoting of the pad 2 both in its open position and in the closed position makes it possible to relieve not only the joints 3 but also the person maneuvering stamp 2.

De plus, les trous 11 des oreilles 7 et le trou 12 de chaque languette 9 coopèrent de façon à permettre au tampon 2, lorsqu'on l'amène à sa position de fermeture, de toujours se trouver à l'aplomb du cadre 1 qui le reçoit. Ces trous évitent en même temps tout coincement du tampon 2 lors de ses déplacements.In addition, the holes 11 of the ears 7 and the hole 12 of each tongue 9 cooperate so as to allow the pad 2, when it is brought to its closed position, to always be in line with the frame 1 which receives it. These holes at the same time prevent any jamming of the buffer 2 during its movements.

La figure 6 met en évidence l'effet de rampe de basculement des oreilles 7.FIG. 6 highlights the effect of the tilting ramp of the ears 7.

Bien entendu, diverses modifications de forme peuvent être apportées au dispositif ci-dessus décrit sans sortir du cadre de la présente invention. Ainsi, la forme trapézoïdale définie par les parois 10 et 14 s'expliquant pour des raisons de fonderie peut être différente, l'essentiel étant la présence d'une paroi supérieure 10 à encoche 15 réalisée dans celle-ci.Of course, various modifications of form can be made to the device described above without departing from the scope of the present invention. Thus, the trapezoidal shape defined by the walls 10 and 14 which can be explained for foundry reasons may be different, the main thing being the presence of an upper wall 10 with a notch 15 produced therein.

Le dispositif conforme à l'invention est donc agencé pour éviter toute fermeture intempestive de tampons ouverts, contribuant ainsi à assurer efficacement la sécurité des utilisateurs. De plus, les tampons articulés se positionnent toujours correctement sur le cadre et, du fait que les articulations sont à l'intérieur du cadre, on évite une fixation et une articulation en porte-à-faux de ces tampons.The device according to the invention is therefore arranged to prevent any untimely closing of open buffers, thus helping to effectively ensure the safety of users. In addition, the articulated pads are always positioned correctly on the frame and, because the joints are inside the frame, it avoids a fixing and a cantilever joint of these pads.

Claims (11)

Dispositif d'articulation d'un tampon (2) sur un cadre (1) au moyen d'axes d'articulation (3) du tampon (2) au cadre (1), caractérisé en ce qu'il comprend au moins deux oreilles (7) prévues sous le tampon (2) dont l'une est munie d'un ergot (8), une languette (9) verticalement solidaire d'une paroi (10, 14) du cadre (1) et maintenue entre les deux oreilles (7) par un axe d'articulation amovible (3) traversant les oreilles (7) et la languette (9), et en ce que la paroi (10, 14) du cadre (1) comprend une encoche (15) coopérant avec l'ergot (8) de façon qu'en position haute d'ouverture du tampon (2), l'ergot (8) tombe dans l'encoche (15) et verrouille le tampon (2) à cette position et que, par soulèvement du tampon (2) à partir de sa position haute d'ouverture, l'ergot (8) soit dégagé de l'encoche (15) pour permettre d'amener le tampon (2) à sa position de fermeture.Device for articulating a tampon (2) on a frame (1) by means of articulation axes (3) of the tampon (2) to the frame (1), characterized in that it comprises at least two ears (7) provided under the buffer (2), one of which is provided with a lug (8), a tongue (9) vertically integral with a wall (10, 14) of the frame (1) and held between the two ears (7) by a removable hinge pin (3) passing through the ears (7) and the tongue (9), and in that the wall (10, 14) of the frame (1) comprises a cooperating notch (15) with the lug (8) so that in the high opening position of the tampon (2), the lug (8) falls into the notch (15) and locks the tampon (2) in this position and that, by lifting the pad (2) from its high open position, the lug (8) is released from the notch (15) to allow the pad (2) to be brought to its closed position. Dispositif selon la revendication 1, caractérisé en ce que les deux oreilles (7) comprennent chacune une partie angulaire arrondie (7a) prenant appui sur la paroi (10) précitée du cadre (1), notamment lors du pivotement du tampon (2) à sa position haute d'ouverture.Device according to claim 1, characterized in that the two ears (7) each comprise a rounded angular part (7a) bearing on the aforementioned wall (10) of the frame (1), in particular during the pivoting of the buffer (2) to its high opening position. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'encoche (15) précitée est réalisée à la fois sur une partie de paroi supérieure (10) de support de la languette (9) et une partie de paroi latérale (14) de la paroi précitée du cadre (1).Device according to claim 1 or 2, characterized in that the aforementioned notch (15) is produced both on an upper wall part (10) for supporting the tongue (9) and a side wall part (14) of the above-mentioned wall of the frame (1). Dispositif selon l'une des revendications précédentes, caractérisé en ce que le cadre (1) comprend un logement (17) situé derrière l'encoche (15) et constituant un espace de débattement pour l'ergot (8).Device according to one of the preceding claims, characterized in that the frame (1) comprises a housing (17) located behind the notch (15) and constituting a clearance space for the lug (8). Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend une deuxième encoche (16) réalisée sur le dessus de la languette (9) et coopérant avec une partie (18) du tampon (2) pour participer avec la première encoche (15) au verrouillage du tampon (2) à sa position haute d'ouverture.Device according to one of the preceding claims, characterized in that it comprises a second notch (16) produced on the top of the tongue (9) and cooperating with a part (18) of the pad (2) to participate with the first notch (15) for locking the buffer (2) in its high open position. Dispositif selon la revendication 5, caractérisé en ce que la partie de verrouillage précitée du tampon (2) comprend une lumière (18) sensiblement en forme de U dans laquelle s'engage la languette (9) de façon que le bord de fond (18a) de la lumière (18) repose dans l'encoche (16) de la languette (9) en position haute d'ouverture du tampon (2).Device according to claim 5, characterized in that the aforementioned locking part of the buffer (2) comprises a light (18) substantially U-shaped in which the tongue (9) engages so that the bottom edge (18a ) of the light (18) rests in the notch (16) of the tongue (9) in the high open position of the buffer (2). Dispositif selon l'une des revendications précédentes, caractérisé en ce que la languette (9) a un trou (12) de passage de l'axe d'articulation (3) supérieur au diamètre de ce dernier et les deux oreilles (7) ont des trous (11) de passage de l'axe d'articulation (3) qui sont oblongs et déformés.Device according to one of the preceding claims, characterized in that the tongue (9) has a hole (12) for the passage of the articulation axis (3) greater than the diameter of the latter and the two ears (7) have holes (11) for passage of the hinge pin (3) which are oblong and deformed. Dispositif selon la revendication 7, caractérisé en ce que les trous (11, 12) dans les oreilles (7) et la languette (9) coopèrent de façon à permettre au tampon (2), lorsqu'on l'amène à sa position de fermeture, de toujours se trouver à l'aplomb du cadre (1) qui le reçoit.Device according to claim 7, characterized in that the holes (11, 12) in the ears (7) and the tongue (9) cooperate so as to allow the tampon (2), when it is brought to its position closing, to always be in line with the frame (1) which receives it. Dispositif selon l'une des revendications 3 à 7, caractérisé en ce que la partie de paroi supérieure (10) et les parties de parois latérales (14) précitées sont solidaires de la paroi latérale périphérique (6) du cadre (1) et présentent en section transversale sensiblement la forme d'un trapèze isocèle avec la partie de paroi supérieure (10) de support de la languette (9) formant la petite base du trapèze horizontale.Device according to one of claims 3 to 7, characterized in that the upper wall part (10) and the side wall parts (14) mentioned above are integral with the peripheral side wall (6) of the frame (1) and have in cross section substantially the shape of an isosceles trapezoid with the wall part upper (10) supporting the tongue (9) forming the small base of the horizontal trapezoid. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les oreilles (7) prennent également appui par leurs parties angulaires arrondies (7a) sur la paroi de support précitée de la languette (9) lors du pivotement du tampon (2) à sa position de fermeture pour permettre à des éléments d'appui (4) du tampon (2) de venir se placer juste au-dessus de bords inférieurs d'appui correspondants (5) du cadre (1).Device according to one of the preceding claims, characterized in that the ears (7) also bear by their rounded angular parts (7a) on the aforementioned support wall of the tongue (9) during the pivoting of the buffer (2) to its closed position to allow support elements (4) of the pad (2) to come to be placed just above corresponding lower support edges (5) of the frame (1). Dispositif selon la revendication 10, caractérisé en ce que les éléments d'appui (4) précités maintiennent le tampon (2) à sa position de fermeture de façon que les deux oreilles (7) soient légèrement espacées de la paroi de support précitée de la languette (9).Device according to claim 10, characterized in that the abovementioned support elements (4) hold the tampon (2) in its closed position so that the two ears (7) are slightly spaced from the aforementioned support wall of the tongue (9).
EP95401041A 1994-05-05 1995-05-04 Articulation device for a cover on a frame, in particular for closing an opening in a roadway Expired - Lifetime EP0681066B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9405545 1994-05-05
FR9405545A FR2719612B1 (en) 1994-05-05 1994-05-05 Device for articulating a pad on a frame for closing in particular an opening in a roadway.

Publications (2)

Publication Number Publication Date
EP0681066A1 true EP0681066A1 (en) 1995-11-08
EP0681066B1 EP0681066B1 (en) 1999-08-04

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EP95401041A Expired - Lifetime EP0681066B1 (en) 1994-05-05 1995-05-04 Articulation device for a cover on a frame, in particular for closing an opening in a roadway

Country Status (7)

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EP (1) EP0681066B1 (en)
AT (1) ATE182940T1 (en)
DE (2) DE69511153T2 (en)
DK (1) DK0681066T3 (en)
ES (1) ES2088853T3 (en)
FR (1) FR2719612B1 (en)
GR (2) GR960300048T1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT2260U1 (en) * 1996-11-27 1998-07-27 Zirl Guss Ges M B H SHAFT COVER
GB2355038A (en) * 1999-10-08 2001-04-11 C I S Ground surface access assembly with repositionable hinges
FR2839992A1 (en) * 2002-05-24 2003-11-28 Saint Gobain Pont A Mousson Device for closing manhole comprises frame and cover hinged to frame around first axis and designed so cover while resting on frame can pivot around second horizontal axis and locking means holding cover open in first position
FR2919002A1 (en) * 2007-07-18 2009-01-23 Norinco Soc Par Actions Simpli SUPPORTING FRAME ROAD DEVICE AND CROWN ELEMENT, SUCH AS A BUFFER OR COVER, MOUNTING HINGED ON THE FRAME
CN102191780A (en) * 2010-03-15 2011-09-21 诺林科公司 Highway device, in particular manhole, with frame and plug with backward movement relative to the frame to ensure the closed position of the plug in the frame
ES2578371A1 (en) * 2015-01-23 2016-07-26 Benito Urban, Slu Hinge with locking positions for sewer cover (Machine-translation by Google Translate, not legally binding)
ES2616275A1 (en) * 2015-12-10 2017-06-12 Benito Urban, Slu Hinge with blocking positions for sewer cover, improved (Machine-translation by Google Translate, not legally binding)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2940986B1 (en) 2009-01-15 2011-01-07 Saint Gobain Pont A Mousson JOINT ASSEMBLY AND CORRESPONDING ROAD DEVICE

Citations (4)

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Publication number Priority date Publication date Assignee Title
EP0349752A1 (en) * 1988-07-05 1990-01-10 Von Roll Ag Covering of a manhole by means of a lid or a grating
EP0391825A1 (en) * 1989-04-03 1990-10-10 Pont-A-Mousson S.A. Manhole cover providing open position bolting
EP0451064A1 (en) * 1990-04-05 1991-10-09 Societe Anonyme Dite : Sodif Manhole road covering with hinged lid, damping joint and overturning closure
FR2695951A1 (en) * 1992-09-18 1994-03-25 Fonderie Meca Sa Ste Muretaine Round roadway inspection cover locking device - comprises T=shaped hinge fixed to cover, with hemispherical end locking in different positions in horizontal slots in frame housing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349752A1 (en) * 1988-07-05 1990-01-10 Von Roll Ag Covering of a manhole by means of a lid or a grating
EP0391825A1 (en) * 1989-04-03 1990-10-10 Pont-A-Mousson S.A. Manhole cover providing open position bolting
EP0451064A1 (en) * 1990-04-05 1991-10-09 Societe Anonyme Dite : Sodif Manhole road covering with hinged lid, damping joint and overturning closure
FR2695951A1 (en) * 1992-09-18 1994-03-25 Fonderie Meca Sa Ste Muretaine Round roadway inspection cover locking device - comprises T=shaped hinge fixed to cover, with hemispherical end locking in different positions in horizontal slots in frame housing

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT2260U1 (en) * 1996-11-27 1998-07-27 Zirl Guss Ges M B H SHAFT COVER
GB2355038A (en) * 1999-10-08 2001-04-11 C I S Ground surface access assembly with repositionable hinges
HRP20041099B1 (en) * 2002-05-24 2012-03-31 Saint-Gobain Pam Device for closing an opening, particularly a man hole
FR2839992A1 (en) * 2002-05-24 2003-11-28 Saint Gobain Pont A Mousson Device for closing manhole comprises frame and cover hinged to frame around first axis and designed so cover while resting on frame can pivot around second horizontal axis and locking means holding cover open in first position
CN1320218C (en) * 2002-05-24 2007-06-06 圣戈班帕姆公司 Device for closing an opening, particularly a man hole
US7448512B2 (en) 2002-05-24 2008-11-11 Saint-Gobain Pam Device for closing an opening, particularly a man hole
WO2003100179A1 (en) * 2002-05-24 2003-12-04 Saint-Gobain Pam Device for closing an opening, particularly a man hole
US7942289B2 (en) 2002-05-24 2011-05-17 Saint-Gobain Pam Device for closing an opening, particularly a street manhole
WO2009019379A3 (en) * 2007-07-18 2009-05-07 Norinco Highways device with support frame and crown element such as a manhole cover or lid mounted to hinge on the frame
WO2009019379A2 (en) * 2007-07-18 2009-02-12 Norinco Highways device with support frame and crown element such as a manhole cover or lid mounted to hinge on the frame
CN101743361B (en) * 2007-07-18 2011-12-21 诺林科公司 Highways device with support frame and crown element such as a manhole cover or lid mounted to hinge on the frame
FR2919002A1 (en) * 2007-07-18 2009-01-23 Norinco Soc Par Actions Simpli SUPPORTING FRAME ROAD DEVICE AND CROWN ELEMENT, SUCH AS A BUFFER OR COVER, MOUNTING HINGED ON THE FRAME
CN102191780A (en) * 2010-03-15 2011-09-21 诺林科公司 Highway device, in particular manhole, with frame and plug with backward movement relative to the frame to ensure the closed position of the plug in the frame
CN102191780B (en) * 2010-03-15 2014-07-02 诺林科公司 Highway device
ES2578371A1 (en) * 2015-01-23 2016-07-26 Benito Urban, Slu Hinge with locking positions for sewer cover (Machine-translation by Google Translate, not legally binding)
ES2616275A1 (en) * 2015-12-10 2017-06-12 Benito Urban, Slu Hinge with blocking positions for sewer cover, improved (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
GR3031571T3 (en) 2000-01-31
DE69511153T2 (en) 2000-03-09
ATE182940T1 (en) 1999-08-15
DE681066T1 (en) 1996-12-12
EP0681066B1 (en) 1999-08-04
FR2719612A1 (en) 1995-11-10
ES2088853T3 (en) 1999-11-16
ES2088853T1 (en) 1996-10-01
DE69511153D1 (en) 1999-09-09
FR2719612B1 (en) 1996-06-21
GR960300048T1 (en) 1996-08-31
DK0681066T3 (en) 2000-03-13

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