EP0814204B1 - Ensemble d'avaloir de chaussée et regard de chaussée amélioré pour zônes piétonnes et de trafic - Google Patents

Ensemble d'avaloir de chaussée et regard de chaussée amélioré pour zônes piétonnes et de trafic Download PDF

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Publication number
EP0814204B1
EP0814204B1 EP19970108378 EP97108378A EP0814204B1 EP 0814204 B1 EP0814204 B1 EP 0814204B1 EP 19970108378 EP19970108378 EP 19970108378 EP 97108378 A EP97108378 A EP 97108378A EP 0814204 B1 EP0814204 B1 EP 0814204B1
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EP
European Patent Office
Prior art keywords
lid
hollow
frame
protrusion
gully
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.)
Expired - Lifetime
Application number
EP19970108378
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German (de)
English (en)
Other versions
EP0814204A1 (fr
Inventor
Antonio Sbalchiero
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.)
SERTUBI S.P.A.
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SERTUBI SpA
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Filing date
Publication date
Priority claimed from ITVI960086 external-priority patent/IT1287294B1/it
Priority claimed from IT96VI000085 external-priority patent/IT241803Y1/it
Application filed by SERTUBI SpA filed Critical SERTUBI SpA
Publication of EP0814204A1 publication Critical patent/EP0814204A1/fr
Application granted granted Critical
Publication of EP0814204B1 publication Critical patent/EP0814204B1/fr
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Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention concerns a perfected gully and manhole top for zones where the circulation is permitted to pedestrian and vehicles, usually called street manhole cover.
  • the lid is connected to the frame by one or more hinges suitable for opening and closing operations and is provided with screws or preferably of a lock suitable for securing it to the frame when is arranged in a closed position.
  • said safety anti-closing devices consists of rods that are lifted up manually by the operator who opens the manhole cover and that are arranged in contrast with the lid in order to act as struts for preventing the accidental closing.
  • the manhole cover is provided with contrast means that are interposed between the frame and the lid blocking the last one in opened position and allowing the closing only if the operator manually provides with the removing of said contrast means.
  • Safety means suitable for preventing the closing of the lid belonging to the known technique above mentioned, beyond manual or automatic moving into safety position at the opening of the lid, they all show the characteristic of being mobile elements and then subject during their use to jamming or to breaking.
  • manhole covers in which safety devices are fixed to the lid and to the frame and they cooperate reciprocally when the lid is arranged in a maximum opening position.
  • a lid connected to the frame by some hinges consisting of a pivot which passes through some holes realized in the lid and in the frame where the lid shows also a protruding element which is received in another hole realized in the frame, in which said protruding element contrasts internally in order to act as a limit switch that stops the lid in the maximum opening position.
  • this is provided with a groove having an U shape which is received in a seat having a V shape realized in the frame, when the lid, arranged in a substantially vertical position, is going down by gravity.
  • a groove having an U shape which is received in a seat having a V shape realized in the frame, when the lid, arranged in a substantially vertical position, is going down by gravity.
  • In order to close the lid it is necessary to lift it up in order to disjoin said U shaped groove from said V shaped seat and restore it in a closed position by rotation around the hinges.
  • the document EP-A-451064 describes a gully and manhole top where the top presents a tapered tenon with cam profile having two fork members able to engage pivot members belonging to the frame, suitable to open/close the top.
  • a first disadvantage is that the elements acting as a stop and the safety elements that prevent the accidental closing of the lid, does not constitute an integral part of the hinge. Namely, the safety elements are in correspondence of the hinge but they do not constitute integral part of it and the stop elements are realized even sideways on it. This causes a greater complexity in the realization of the models and the necessity of providing for cores, particularly for the realization of passing through holes of the lid and the frame.
  • stop and safety elements just mentioned are realized protruding towards the inside of the frame and they therefore occupy part of the opening space of the manhole cover. Besides, with such embodiment, when the lid is in opened position, it occupies additional opening space of the manhole cover and therefore it has to be removed in order to use all the free passing through surface of the manhole cover.
  • said safety means do not interfere with the passing through of the manhole cover in order to offer, compared to the manhole cover of the known technique having the same external overall dimensions, a useful greater passing through section.
  • manhole cover of the invention requires less complex models compared to the models necessary to obtain equivalent manhole covers of the known technique.
  • every seat realized in the corresponding protrusion of said lid consist of a slot that is received in a pivot passing through a hollow realized in said frame. Said hollow in turn, receives said protrusion when said seat is coupled with said pivot.
  • said protrusion contrasts with said first striker means that consists of an inclined plane realized in an unique body with said frame.
  • Said second striker means that prevent the closing of the lid with a simple rotation around said hinge when it is arranged in opened position rotated with an angle greater than 90° against the horizontal plane, they are formed by two contact zones, made on the surface that defines said hollow and placed on the same side against said pivot, one above and the other under the pivot itself.
  • said second striker means are formed by a slit presents in said hollow, in which said protrusion of said lid is received.
  • At least one of said protrusions is provided with a prong that prevents the separation of the lid by simple translation when is in opened position.
  • the lid of the gully top of the invention in all its different embodiments, is supplied of at least one blocking element suitable for preventing the removal when it is in opened position.
  • the device of the invention provided with the mentioned safety means, suitable for keeping blocked the lid in an open position, results of more reliable functioning compared with equivalent devices of the known technique.
  • the device of the invention is provided of safety means suitable for blocking the lid in opened position that do not require any maintenance.
  • the device of the invention in a different embodiment can be closed more easily.
  • the gully and manhole top also said manhole cover, can be provided with a unique lid having a rectangular shape.
  • the lid or lids can present any shape.
  • the number of the hinges can be anyone, different from two.
  • the gully and manhole top comprises a frame 2 that is applied on the outline of an opening 20 realized on the ground 3 and a lid 4 that is joined to said frame 2 by a couple of hinges, each of them indicated as a whole with 5.
  • each of said hinges 5 as it can be observed in fig. 2 and particularly in fig. 3, consists of a pivot 6 that belongs to the frame 2 and is placed in a hollow 7 of the same frame 2, said pivot being received in a seat 8 realized in a protrusion 9 belonging to the lid 4 and having a fork shape that couples with said hollow 7.
  • Each hinge is realized in correspondence of the hedge of the frame of the manhole cover and does not protrude towards the inside in order not reduce the free passing through surface, of the manhole cover.
  • the hinge 5 presents an outline extremely simple and it is without holes in order that the model, for its realization by fusion, results of a simple construction and requires the use of limited number of cores compared to the manhole covers of the known technique.
  • the seat 8 receiving the pivot 6 presents an open outline that, if necessary, makes easy the removing of the lid when it is in open position.
  • first striker means are present and consist of an inclined plane 10 that, as it can be observed in fig. 4, contrasts with said protrusion 9 when the lid is rotated according to the clockwise direction 11 in order to open it.
  • the lid 4 as it can be observed in fig. 5, reaches its maximum lifting position as it is placed in a substantially vertical position.
  • the protrusion 9 releases the contact with the striker plane 10 which is developed in a horizontal direction of a length 13 in order to release the contact with said protrusion 9 when the axis 14 of the lid 4, that crosses the centre 60 of the pivot 6 forms with the horizontal hedge 15 of the frame 2 an opening angle 16 of about 105°.
  • the protrusion 9 of the lid 4 does not contrast with the striker plane 10 and the lid 4, by the action of its weight and supported by the fact that the striker plane 10 is inclined towards the hollow 7, it lowers itself until the bottom 81 of its slot 8 contrasts with the pivot 6.
  • the protrusion 9 penetrates towards the bottom 71 of the hollow 7 and it is in contact with second striker means belonging to said hollow and comprising the upper hedge 72 of the hollow next to the upper plane 15 of the frame 2 and the lower side plane 73 that connects the striker plane 10 to the bottom wall 74 of the said hollow 7.
  • each hinge 50 of the device of the invention indicated as a whole with 100, shows the second striker means that prevent the closing of the lid from the reached maximum opening position, and comprising a slit 51 in which the extremity 591 of the said protrusion 59 of the lid 54, is getting into.
  • said slit 51 is defined by the lower side plane 573 which joints said striker plane 510 to the bottom surface wall 574 of said hollow 52 and a projecting part 55 belonging to the frame 520 and placed next to said pivot 56 that receives said seat 58 realized in said protrusion 59.
  • the device of the invention presents, in correspondence of said protrusion 590, a protruding pivot 500, visible in fig. 7, suitable for contrasting with the pivot 56 in order to prevent the separation of the lid 54 from the frame 520 when said lid is in open position.
  • a protruding pivot 500 visible in fig. 7, suitable for contrasting with the pivot 56 in order to prevent the separation of the lid 54 from the frame 520 when said lid is in open position.
  • FIG. 1 Another embodiment is represented in figs. from 8 to 20 where it can be observed that in correspondence of the extremity 291 of the protrusion 209 belonging to the hinge 205 a prong 292 is present whose function is of preventing that the lid 204 can be separated from the pivot 206 and from the frame 202 by a simple application of a force 217 that acts according to the axis 214 as it can be observed in fig. 16.
  • FIG. 1 Another embodiment is represented in figs. from 21 to 23 where it can be observed that in correspondence of only one hinge, and precisely the hinge indicated as a whole with 250, the first fixed striker means are present consisting of an inclined plane 200 and they are not present in correspondence of the other hinge 350.
  • the lid 240 it is possible to close the lid 240 without a vertically lifting up applying only a single rigid translation. Namely, as it can be observed in fig. 21, when the lid 240 is opened, applying a lateral force 440 which tray to rotate it around the hinge 350 where said first fixed striker means are not present, exploiting the existing clearance in the hollow where the hinge 350 takes place, the lid 240 is inclined as represented in figure.
  • the manhole cover of the invention results of easier construction compared to the manhole covers of the known technique which are provided with safety devices and in comparison to the ones having the same external dimensions, it presents also a useful higher passing through surface.
  • the device of the invention and particularly the means suitable for maintaining the lid in fixed position when it is placed in open position, can be appropriately modified and such modifications are to be considered protected by the present invention.

Claims (8)

  1. Une bouche d'égout et une couverture pour bouches d'égout (1; 100; 201) pour des zones où la circulation est consentie aux piétons et aux véhicules comprenant:
    un châssis (2; 520; 202) appliqué sur le profil d'une ouverture (20) réalisée sur le sol (3);
    un couvercle (4; 54; 204; 240) relié audit châssis (2; 520; 202) au moyen d'un ou plusieurs charnières (5; 50; 205; 250; 350) indiquées pour l'ouverture et la fermeture dudit couvercle (4; 54; 204; 240), chacune desdites charnières comprenant un pivot (6; 56; 206; 260) qui est situé dans une cavité (7; 52) dudit châssis et qui est reçu dans un siège (8; 58; 208) réalisé dans une saillie (9; 59; 209) appartenant audit couvercle (4; 54; 204; 240) indiquée pour être accouplée à ladite cavité (7; 52), caractérisée en ce que au moins une desdites cavités (7; 52) présente de premiers moyens de butée fixes (10; 510; 200) qui durant l'ouverture dudit couvercle (4; 54; 204; 240) s'opposent à ladite saillie (9; 59; 209) et réalisent le soulèvement dudit couvercle (4; 54; 204; 240) en faisant coulisser ledit siège (8; 58; 208) contre ledit pivot (6; 56; 206; 260), lesdits premiers moyens de butée (10; 510; 200) se dégageant du contact avec ladite saillie (9; 59; 209) permettent la pénétration de ladite saillie (9; 59; 209) vers la partie inférieure (71) de ladite cavité (7; 52), grâce à l'abaissement causé par la gravité dudit couvercle (4; 54; 204; 240) quand celui-ci est placé en position d'ouverture avec un angle (16) supérieur à 90° de manière à créer le contact de ladite saillie (9; 59; 209) contre de deuxièmes moyens de butée (72; 73; 51) appartenant à ladite cavité (7; 52) indiqués pour empêcher la fermeture dudit couvercle (4; 54; 204; 240) grâce à la simple rotation autour de ladite charnière (5; 50; 205; 250; 350), et en ce que lesdits premiers moyens de butée consistent en un plan de butée (10; 510; 200) donnant forme à une section du châssis (2; 520; 202) ayant un profil unique et située à l'intérieur de ladite cavité (7; 52), ledit plan de butée (10; 510; 200) étant un plan incliné vers la partie inférieure (71) de ladite cavité (7; 52) et il est relié au plan de la partie inférieure (74) de la même cavité (7; 52).
  2. Une bouche d'égout et une couverture pour bouches d'égout (1; 100; 201) selon la revendication 1) caractérisée en ce que ladite saillie (9; 59; 209) présente une forme à fourche et est équipée du dudit siège (8; 58; 208) formé par une fente.
  3. Une bouche d'égout et une couverture pour bouches d'égout (1; 100; 201) selon la revendication 1) caractérisée en ce que lesdits deuxièmes moyens de butée se composent d'un rebord supérieur (72) de ladite cavité (7) situé sur la continuation du plan supérieur (15) dudit châssis (2) et d'un plan latéral inférieur (73) à l'intérieur de ladite cavité (7) qui relie lesdits premiers moyens de butée (10) à la surface de la partie inférieure (74) de la même cavité (7).
  4. Une bouche d'égout et une couverture pour bouches d'égout (1; 100; 201) selon la revendication 1) caractérisée en ce que lesdits deuxièmes moyens de butée consistent en une fente (51) à l'intérieur de ladite cavité (52) définie par un plan latéral inférieur (573) qui relie lesdits premiers moyens de butée (510; 200) à la surface de la partie inférieure (574) de ladite cavité (52) et par une partie saillante (55) appartenant au châssis (520; 202) et située à côté dudit pivot (56; 206; 260).
  5. Une bouche d'égout et une couverture pour bouches d'égout (100) selon la revendication 1) caractérisée en ce qu'elle est équipée d'une serrure consistant en un pivot (500) positionné de passage à travers ladite saillie (59) dudit couvercle (54) indiqué pour s'opposer contre ledit pivot (56) de manière à empêcher la séparation dudit couvercle (54) dudit châssis (52) par le soulèvement du même couvercle (54) quand celui-ci est placé en position d'ouverture.
  6. Une bouche d'égout et une couverture pour bouches d'égout (201) selon la revendication 1) caractérisée en ce que l'extrémité (291) d'au moins une desdites saillies (209; 290) est équipée d'un ergot (292) indiqué pour s'opposer contre ledit pivot (206; 260) de manière à empêcher la séparation dudit couvercle (204; 240) dudit châssis (202) par une simple translation rigide du même couvercle (204; 240) en direction verticale à partir de la position obtenue quand il est complètement ouvert.
  7. Une bouche d'égout et une couverture pour bouches d'égout (201) selon la revendication 6) caractérisée en ce qu'elle se compose de deux charnières (205; 250; 350) dans lesquelles chaque saillie (209; 290) est équipée dudit ergot (292).
  8. Une bouche d'égout et une couverture pour bouches d'égout selon la revendication 7) caractérisée en ce qu'une seulement desdites charnières (205; 250) est équipée dedits premiers moyens de butée (200).
EP19970108378 1996-05-23 1997-05-23 Ensemble d'avaloir de chaussée et regard de chaussée amélioré pour zônes piétonnes et de trafic Expired - Lifetime EP0814204B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITVI960086 IT1287294B1 (it) 1996-05-23 1996-05-23 Dispositivo perfezionato di coronamento e di chiusura per zone di circolazione utilizzate da pedoni e da veicoli.
ITVI960086 1996-05-23
IT96VI000085 IT241803Y1 (it) 1996-11-08 1996-11-08 Dispositivo di coronamento e di chiusura per zone di circolazioneutilizzate da pedoni e da veicoli, provvisto di perfezionamenti nelle
ITVI960085U 1996-11-08

Publications (2)

Publication Number Publication Date
EP0814204A1 EP0814204A1 (fr) 1997-12-29
EP0814204B1 true EP0814204B1 (fr) 2001-09-12

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EP19970108378 Expired - Lifetime EP0814204B1 (fr) 1996-05-23 1997-05-23 Ensemble d'avaloir de chaussée et regard de chaussée amélioré pour zônes piétonnes et de trafic

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EP (1) EP0814204B1 (fr)
DE (1) DE69706605D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005002986A1 (de) * 2005-01-21 2006-09-21 Aco Severin Ahlmann Gmbh & Co. Kg Abdeckung für einen Hohlkörper

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
FR2799478B1 (fr) * 1999-10-08 2001-11-09 Pont A Mousson Dispositif de fermeture de regard de visite ou d'inspection
FR2805292B1 (fr) * 2000-02-17 2003-05-09 Saint Gobain Pont A Mousson Element de recouvrement articule pour cadre polygonal de regard de visite ou d'inspection, et regard correspondant
GB2360807B (en) * 2000-04-01 2004-03-31 Atlanta Impex Ltd A cover part for a cover and frame assembly,a cover for a cover and frame assembly and a cover and frame assembly
FR2815979B1 (fr) * 2000-10-27 2003-01-03 Norinco Dispositif d'obturation dote d'un panneau articule amovible a mise en place simplifiee
ITTO20010715A1 (it) * 2001-07-20 2003-01-20 Fonderie Viterbesi Di Belli & Coperchio per ispezione di piano stradale.
KR100511465B1 (ko) * 2002-03-19 2005-08-30 심규민 잠금장치를 가진 맨홀 조립체
GB2388864A (en) * 2002-05-21 2003-11-26 Savage Peter Ltd Manhole cover or gully grating
FR2897371B1 (fr) 2006-02-14 2009-07-03 Norinco Sa Dispositif permettant d'obturer un cadre, comprenant un panneau monte articule amovible sur le cadre
JP6386745B2 (ja) * 2014-02-24 2018-09-05 前澤化成工業株式会社 地下構造物保護箱
JP6476521B2 (ja) * 2015-05-20 2019-03-06 前澤化成工業株式会社 筐体
JP6497516B2 (ja) * 2015-06-16 2019-04-10 前澤化成工業株式会社 筐体
GB2567822A (en) * 2017-10-24 2019-05-01 Wrekin Holdings Ltd A ground surface access assembly with safety features

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Publication number Priority date Publication date Assignee Title
GB366700A (en) * 1931-10-10 1932-02-11 J & S Eyres Ltd Improvements in manhole covers and grids applied in road construction
US3130651A (en) * 1960-08-23 1964-04-28 Neenah Foundry Company Mounting for hinged covers
FR2645189B1 (fr) * 1989-04-03 1991-06-28 Pont A Mousson Regard de chaussee verrouillable en ouverture
FR2660678B1 (fr) * 1990-04-05 1993-05-21 Sodif Sa Regard de chaussee a tampon articule, joint d'amortissement et a fermeture par basculement.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005002986A1 (de) * 2005-01-21 2006-09-21 Aco Severin Ahlmann Gmbh & Co. Kg Abdeckung für einen Hohlkörper

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EP0814204A1 (fr) 1997-12-29
DE69706605D1 (de) 2001-10-18

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