EP0420777A1 - Manhole cover with locked hinge - Google Patents
Manhole cover with locked hinge Download PDFInfo
- Publication number
- EP0420777A1 EP0420777A1 EP90470050A EP90470050A EP0420777A1 EP 0420777 A1 EP0420777 A1 EP 0420777A1 EP 90470050 A EP90470050 A EP 90470050A EP 90470050 A EP90470050 A EP 90470050A EP 0420777 A1 EP0420777 A1 EP 0420777A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pad
- locking
- elastic member
- frame
- tampon
- 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
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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
- E02D29/1427—Locking devices
Definitions
- the subject of the present invention is a manhole cover provided with a hinged device which removably links the pad to the frame and authorizes the lifting of the pad relative to the frame by pivoting around the hinged device, more particularly a manhole pavement of the above type having a buffer locking device on the frame.
- Such manholes must be perfectly locked to avoid accidental lifting of the tampon by aspiration when passing a vehicle, in particular when passing a heavy goods vehicle, and to avoid acts of vandalism during which the tampons can be opened. , which poses a danger to users, even removed.
- the tampon is effectively locked on its frame but it has two types of drawbacks.
- the present invention therefore aims to overcome these drawbacks.
- the present invention relates more particularly to a locking device for manhole cover provided with a hinged device, removably connecting a pad provided with at least one protruding pivot, to a frame whose skirt is provided with less a housing cooperating with the protruding pivot, in which an elastic member, which must be compressed and then released to lock the pad, is fixed in each housing and exerts resistance to unlocking the pad.
- the pad is provided with at least one locking tab cooperating with at least one frame cavity.
- the device according to the invention consists of a frame 1 sealed in the ground at the upper end of a inspection chimney, for example of a water supply network, and of a buffer 2 linked to the frame 1 by means of at least one hinged device 3.
- the frame 1 and the grid 2 have, seen in plan, a generally circular shape.
- the frame 1 and the pad 2 have, seen in plan, a generally rectangular shape.
- the frame 1 has, in known manner, a skirt 4, cylindrical in the embodiment shown in FIG. 1 and rectangular in the embodiment shown in FIG. 3. It is provided at its outer periphery with a sole 5 allowing it to be sealed in the ground and, at its inner periphery, with a collar 6 serving as a bearing surface for the pad 2 when the latter is in the closed position.
- the hinged device 3 is, in known manner, made up of at least one housing 7 formed at the periphery of the frame and at least one protruding pivot 8 formed at the periphery of the pad 2.
- the frame 1 is provided with a housing 7 and the pad 2 is provided with a projecting pivot 8 and, in the embodiment shown in FIG. 3, the frame is provided with two housings 7 formed in one of its faces close to each of its ends and the pad is provided with two projecting pivots 8.
- each protruding pivot 8 has a general shape of a T and has a connecting part 81 extending radially and connected to the pad, corresponding to the leg of the T, of transverse dimension 1, and a part pivot shaft 82 corresponding to the crossbar of the T.
- the pivot shaft portion 82 of length d, a, in radial section, a generally substantially cylindrical shape. It has a flat 83 formed longitudinally over its entire length, extending parallel to the main faces of the pad.
- each housing 7 has the general shape of a T when viewed from above.
- Part 72 has, in radial section, a substantially circular contour.
- Part 72 consists of two portions: - A first portion 721, of length d1 slightly greater than the length d of the pivot shaft part 82 of the projecting pivot 8 of the frame, overhung by a lip 73 partially closing said portion; - A portion 722 extending the portion 721, of length d2, overhung by a lip 74 completely closing said portion.
- the elastic member 13 is fixed or simply placed in the portion 722.
- At least one cavity 9 intended to cooperate with at least one locking finger 10 with which the pad 2 is provided.
- Each cavity 9 has a part 11 open upwards and a part 12 completely closed.
- the frame is provided with a cavity 9 and the buffer with a locking finger 10 and in the embodiment shown Fig. 3, the frame is provided with two cavities 9 and the buffer with two locking fingers 10.
- each cavity 9 is formed in the skirt 4 of the frame 1 and each locking finger 10 protrudes at the periphery of the pad 2.
- each housing 7 of the frame are such that they allow the movement of the pad so as to be able to pass each locking finger 10 from part 11 to part 12 of the cavities 9.
- Another exemplary embodiment not shown consists in providing at least one locking finger in the extension of the underside of the pad and in piercing at least one lumen in the skirt of the frame.
- the pad is locked by rotating the pad to bring the locking fingers 10 opposite the parts 11 of the cavities 9, the elastic member then being compressed, then letting the pad go down to allow the fingers 10 to penetrate into the cavities 9 and finally by releasing the tampon so that the elastic member 13 exerts a restoring force which returns the tampon to a position such that the locking fingers are trapped in the parts 12 of the cavities 9.
- the mounting and locking of the buffer 2 on the frame 1 is described more precisely below, taking as an example the manhole cover shown in FIGS. 1 and 2.
- the protruding pivot 8 of the pad is introduced into the housing 7 of the frame.
- the buffer is in an intermediate position between the horizontal position corresponding to its closed position and vertical position.
- the pad Once the pad in position, it is rotated about the axis X-X of the hinged device until the locking pin 10 is opposite part 12 of the cavity 9 of the frame.
- the protruding pivot 8 penetrates into the bottom of the housing 7 of the frame under the lip 73 which prevents it from any vertical movement.
- the pad is then rotated to bring the locking finger opposite part 11.
- the elastic member 13 is compressed in the housing 7 of the frame.
- the vibrations generated by the passage of vehicles are absorbed by the elastic member 13 which has the additional advantage of dampening the noise due to the phenomenon of "limping" which could occur during the passage of vehicles.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Hinges (AREA)
- Hinge Accessories (AREA)
- Sewage (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Helmets And Other Head Coverings (AREA)
- Centrifugal Separators (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Closures For Containers (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
- Superstructure Of Vehicle (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
Description
La présente invention a pour objet un regard de chaussée pourvu d'un dispositif à charnière liant, de manière amovible, le tampon au cadre et autorisant le soulèvement du tampon par rapport au cadre par pivotement autour du dispositif à charnière, plus particulièrement un regard de chaussée du type ci-dessus présentant un dispositif de verrouillage du tampon sur le cadre.The subject of the present invention is a manhole cover provided with a hinged device which removably links the pad to the frame and authorizes the lifting of the pad relative to the frame by pivoting around the hinged device, more particularly a manhole pavement of the above type having a buffer locking device on the frame.
On connaît les regards de chaussée à tampon basculant montés sur au moins une charnière et dont le tampon présente à cet effet au moins un pivot saillant coopérant avec un logement dont est muni le cadre.We know the manholes with tilting buffer mounted on at least one hinge and whose buffer has for this purpose at least one projecting pivot cooperating with a housing which is provided with the frame.
De tels regards doivent être parfaitement verrouillés pour éviter un soulèvement accidentel du tampon par aspiration lors du passage d'un véhicule, en particulier lors du passage d'un poids lourd, et pour éviter des actes de vandalisme au cours desquels les tampons peuvent être ouverts, ce qui présente un danger pour les usagers, voire même enlevés.Such manholes must be perfectly locked to avoid accidental lifting of the tampon by aspiration when passing a vehicle, in particular when passing a heavy goods vehicle, and to avoid acts of vandalism during which the tampons can be opened. , which poses a danger to users, even removed.
Pour verrouiller un tampon sur son cadre, il est connu d'utiliser par exemple un dispositif tel que décrit dans le document FR 1 426 805, à savoir une patte de verrouillage reliée à une tige capable de tourner, par l'intermédiaire d'un filetage, de telle sorte qu'après pivotement, elle puisse être amenée dans sa position de verrouillage sous la collerette du cadre, puis par serrage, elle verrouille le tampon.To lock a pad on its frame, it is known to use for example a device as described in
Dans ce dispositif, le tampon est effectivement verrouillé sur son cadre mais il présente deux types d'inconvénients.In this device, the tampon is effectively locked on its frame but it has two types of drawbacks.
D'abord, il nécessite l'utilisation de pièces rapportées, la languette et la tige de manoeuvre, ce qui d'une part engendre un surcoût non négligeable, d'autre part présente le risque de se gripper, rendant leur manoeuvre difficile, voire même de se bloquer, rendant ainsi son déverrouillage impossible.First, it requires the use of attachments, the tongue and the operating rod, which on the one hand generates a significant additional cost, on the other hand presents the risk of seizing up, making their operation difficult, even even blocking, making it impossible to unlock.
Ensuite, les regards de chaussée munis d'un tel dispositif risquent de se déverrouiller seuls, sous l'effet des vibrations engendrées par le passage des véhicules. Ces vibrations n'étant pas absorbées, elles risquent de desserrer la vis de manoeuvre qui ne plaquerait plus la languette sous la collerette du cadre. Celle-ci étant alors libre en rotation pourra pivoter et se mettre dans sa position de déverrouillage.Then, manhole covers fitted with such a device risk unlocking on their own, under the effect vibrations generated by the passage of vehicles. As these vibrations are not absorbed, they risk loosening the operating screw which would no longer press the tongue under the frame flange. The latter then being free to rotate can pivot and move into its unlocking position.
La présente invention a donc pour but de s'affranchir de ces inconvénients.The present invention therefore aims to overcome these drawbacks.
La présente invention a plus particulièrement pour objet un dispositif de verrouillage pour regard de chaussée pourvu d'un dispositif à charnière, liant de manière amovible un tampon muni d'au moins un pivot saillant, à un cadre dont la jupe est munie d'au moins un logement coopérant avec le pivot saillant, dans lequel un organe élastique, qu'il faut comprimer puis relâcher pour verrouiller le tampon, est fixé dans chaque logement et exerce une résistance au déverrouillage du tampon.The present invention relates more particularly to a locking device for manhole cover provided with a hinged device, removably connecting a pad provided with at least one protruding pivot, to a frame whose skirt is provided with less a housing cooperating with the protruding pivot, in which an elastic member, which must be compressed and then released to lock the pad, is fixed in each housing and exerts resistance to unlocking the pad.
Le tampon est muni d'au moins une patte de verrouillage coopérant avec au moins une cavité du cadre.The pad is provided with at least one locking tab cooperating with at least one frame cavity.
Les caractéristiques et avantages apparaîtront au cours de la description qui va suivre, donnée uniquement à titre d'exemple, faite en référence aux dessins annexés, dans lesquels :
- - la Fig. 1 représente une vue du dessus d'un exemple de réalisation d'un regard de chaussée muni du dispositif de verrouillage selon l'invention ;
- - la Fig. 2 est une vue en coupe 2-2 de la Fig. 1 ;
- - la Fig. 3 représente une vue du dessus d'un autre exemple de réalisation d'un regard de chaussée muni du dispositif de verrouillage selon l'invention ;
- - la Fig. 4 est une vue avec arrachement partiel d'un exemple de réalisation du dispositif à charnière selon l'invention.
- - Fig. 1 shows a top view of an exemplary embodiment of a manhole cover provided with the locking device according to the invention;
- - Fig. 2 is a sectional view 2-2 of FIG. 1;
- - Fig. 3 shows a top view of another embodiment of a manhole cover provided with the locking device according to the invention;
- - Fig. 4 is a view with partial cutaway of an exemplary embodiment of the hinged device according to the invention.
Le dispositif selon l'invention est constitué d'un cadre 1 scellé dans le sol à l'extrémité supérieure d'une cheminée de visite, par exemple d'un réseau d'adduction d'eau, et d'un tampon 2 lié au cadre 1 au moyen d'au moins un dispositif à charnière 3.The device according to the invention consists of a
Dans l'exemple de réalisation représenté Fig. 1, le cadre 1 et la grille 2 ont, vus en plan, une forme générale circulaire.In the embodiment shown in FIG. 1, the
Dans l'exemple de réalisation représenté Fig. 3, le cadre 1 et le tampon 2 ont, vus en plan, une forme générale rectangulaire.In the embodiment shown in FIG. 3, the
Le cadre 1 présente, de manière connue, une jupe 4, cylindrique dans l'exemple de réalisation représenté Fig. 1 et rectangulaire dans l'exemple de réalisation représenté Fig. 3. Il est muni à sa périphérie extérieure d'une semelle 5 permettant son scellement dans le sol et, à sa périphérie intérieure, d'une collerette 6 servant de surface d'appui au tampon 2 lorsque celui-ci est en position fermée.The
Le dispositif à charnière 3 est, de manière connue, constitué d'au moins un logement 7 ménagé à la périphérie du cadre et d'au moins un pivot saillant 8 ménagé à la périphérie du tampon 2.The hinged
Un organe élastique 13, par exemple un ressort ou une pièce en élastomère, est fixé dans chaque logement 7.An
Dans l'exemple de réalisation représenté Fig. 1, le cadre 1 est muni d'un logement 7 et le tampon 2 est muni d'un pivot saillant 8 et, dans l'exemple de réalisation représenté Fig. 3, le cadre est muni de deux logements 7 ménagés dans une de ses faces à proximité de chacune de ses extrémités et le tampon est muni de deux pivots saillants 8.In the embodiment shown in FIG. 1, the
Dans les exemples de réalisation représentés, chaque pivot saillant 8 a une forme générale d'un T et présente une partie de liaison 81 s'étendant radialement et raccordée au tampon, correspondant à la jambe du T, de dimension transversale 1, et une partie d'arbre de pivotement 82 correspondant à la barre transversale du T. La partie d'arbre de pivotement 82, de longueur d, a, en section radiale, une forme générale sensiblement cylindrique. Elle présente un plat 83 formé longitudinalement sur toute sa longueur, s'étendant parallèlement aux faces principales du tampon.In the embodiments shown, each
Dans les exemples de réalisation représentés, chaque logement 7 a la forme générale d'un T en vue de dessus. Une partie 71 dudit logement, située vers l'intérieur, de dimension transversale L supérieure à 1, constituant la jambe du T, a une profondeur moindre qu'une seconde partie 72, de longueur D, constituant la barre transversale du T.In the embodiments shown, each
La partie 72 a, en section radiale, un contour sensiblement circulaire.
La partie 72 est constituée de deux portions :
- une première portion 721, de longueur d1 légèrement supérieure à la longueur d de la partie d'arbre de pivotement 82 du pivot saillant 8 du cadre, surplombée par une lèvre 73 obturant partiellement ladite portion ;
- une portion 722 prolongeant la portion 721, de longueur d2, surplombée par une lèvre 74 obturant totalement ladite portion.
- A
- A
L'organe élastique 13 est fixé ou simplement disposé dans la portion 722.The
Dans la jupe 4 du cadre 1, est ménagée au moins une cavité 9 destinée à coopérer avec au moins un doigt de verrouillage 10 dont est muni le tampon 2.In the
Chaque cavité 9 présente une partie 11 ouverte vers le haut et une partie 12 complètement fermée.Each cavity 9 has a
Pour verrouiller le tampon sur le cadre, il suffit de présenter le doigt de verrouillage au dessus de la partie 11, de le faire descendre dans la cavité 9 et de bouger le tampon soit par pivotement, soit par translation, pour le faire passer dans la partie 12 dans laquelle il est emprisonné.To lock the pad on the frame, simply present the locking finger above the
Dans l'exemple de réalisation représenté Fig. 1, le cadre est muni d'une cavité 9 et le tampon d'un doigt de verrouillage 10 et dans l'exemple de réalisation représenté Fig. 3, le cadre est muni de deux cavités 9 et le tampon de deux doigts de verrouillage 10.In the embodiment shown in FIG. 1, the frame is provided with a cavity 9 and the buffer with a
Dans les exemples de réalisation représentés, chaque cavité 9 est ménagée dans la jupe 4 du cadre 1 et chaque doigt de verrouillage 10 fait saillie à la périphérie du tampon 2.In the exemplary embodiments shown, each cavity 9 is formed in the
Les dimensions L et D de chaque logement 7 du cadre sont telles qu'elles permettent le mouvement du tampon afin de pouvoir faire passer chaque doigt de verrouillage 10 de la partie 11 à la partie 12 des cavités 9.The dimensions L and D of each
Un autre exemple de réalisation non représenté consiste à ménager au moins un doigt de verrouillage dans le prolongement de la face inférieure du tampon et à percer au moins une lumière dans la jupe du cadre. Ainsi pour verrouiller le tampon, il faut présenter le tampon avec les pattes de verrouillage en regard des lumières, le faire descendre et bouger le tampon afin que les pattes d'accrochage passent sous la jupe du cadre.Another exemplary embodiment not shown consists in providing at least one locking finger in the extension of the underside of the pad and in piercing at least one lumen in the skirt of the frame. Thus to lock the buffer, you must present the buffer with the locking tabs facing the lights, bring it down and move the buffer so that the hooking tabs pass under the skirt of the frame.
Le verrouillage du tampon s'opère en effectuant une rotation du tampon pour amener les doigts de verrouillage 10 en regard des parties 11 des cavités 9, l'organe élastique étant alors comprimé, puis en laissant descendre le tampon pour faire pénétrer les doigts 10 dans les cavités 9 et enfin en relâchant le tampon afin que l'organe élastique 13 exerce une force de rappel qui ramène le tampon dans une position telle que les doigts de verrouillage soient emprisonnés dans les parties 12 des cavités 9.The pad is locked by rotating the pad to bring the
Le montage et le verrouillage du tampon 2 sur le cadre 1 est décrit plus précisément ci-après, en prenant comme exemple le regard de chaussée représenté aux Fig. 1 et 2.The mounting and locking of the
Le pivot saillant 8 du tampon est introduit dans le logement 7 du cadre.The protruding
Pour effectuer cette opération, le tampon est dans une position intermédiaire entre la position horizontale correspondant à sa position fermée et la position verticale.To perform this operation, the buffer is in an intermediate position between the horizontal position corresponding to its closed position and vertical position.
Une fois le tampon en position, celui-ci est mis en rotation autour de l'axe X-X du dispositif à charnière jusqu'à ce que le doigt de verrouillage 10 soit en regard de la partie 12 de la cavité 9 du cadre.Once the pad in position, it is rotated about the axis X-X of the hinged device until the
Pendant cette opération, le pivot saillant 8 pénètre dans le fond du logement 7 du cadre sous la lèvre 73 qui lui interdit tout mouvement vertical.During this operation, the
On exerce alors une rotation du tampon pour amener le doigt de verrouillage en regard de la partie 11.The pad is then rotated to bring the locking finger opposite
Pendant cette opération, l'organe élastique 13 est comprimé dans le logement 7 du cadre.During this operation, the
Lorsque le doigt de verrouillage est en regard de la partie 11 de la cavité 9 du cadre, l'organe élastique étant comprimé au maximum, celui-ci descend dans ladite cavité et le tampon repose complètement sur la collerette 6.When the locking finger is facing
Lorsqu'on lâche le tampon, l'effort de rappel exercé par la compression de l'organe élastique 13 ramène le tampon dans sa position d'équilibre et, par la même occasion, le doigt de verrouillage 10 dans la partie 12 de la cavité 9 dans laquelle il est emprisonné, verrouillant ainsi le tampon.When the tampon is released, the return force exerted by the compression of the
Pour ouvrir le tampon, il faut, avant de le soulever, exercer un mouvement de rotation pour amener le doigt de verrouillage de la partie 12 de la cavité 9 à la partie 11, mouvement qui nécessite un effort relativement important pour comprimer l'organe élastique 13 impossible à fournir sans levier ou barre à mine.To open the tampon, it is necessary, before lifting it, to exert a rotational movement to bring the locking finger from
On évite ainsi d'une part les actes de vandalisme et, d'autre part, un déverrouillage du tampon dû aux vibrations engendrées par le passage des véhicules.This avoids on the one hand acts of vandalism and, on the other hand, an unlocking of the buffer due to the vibrations generated by the passage of vehicles.
En effet, les vibrations engendrées par le passage des véhicules sont absorbées par l'organe élastique 13 ce qui présente en plus l'avantage d'amortir les bruits dûs au phénomène de "boitage" qui pourrait survenir lors du passage des véhicules.Indeed, the vibrations generated by the passage of vehicles are absorbed by the
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90470050T ATE91739T1 (en) | 1989-09-29 | 1990-09-19 | MANHOLE COVER WITH LOCKED HINGE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8912939 | 1989-09-29 | ||
FR8912939A FR2652598B1 (en) | 1989-09-29 | 1989-09-29 | LOOKING HINGE WITH LOCKED HINGE. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0420777A1 true EP0420777A1 (en) | 1991-04-03 |
EP0420777B1 EP0420777B1 (en) | 1993-07-21 |
Family
ID=9386061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90470050A Expired - Lifetime EP0420777B1 (en) | 1989-09-29 | 1990-09-19 | Manhole cover with locked hinge |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0420777B1 (en) |
AT (1) | ATE91739T1 (en) |
DE (1) | DE69002297T2 (en) |
DK (1) | DK0420777T3 (en) |
ES (1) | ES2038113T3 (en) |
FR (1) | FR2652598B1 (en) |
GR (1) | GR3008586T3 (en) |
IE (1) | IE64122B1 (en) |
NO (1) | NO178635C (en) |
PT (1) | PT8468U (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2681356A1 (en) * | 1991-09-16 | 1993-03-19 | Pont A Mousson | LOCKED BUFFER LOOK. |
EP0537552A1 (en) * | 1991-10-15 | 1993-04-21 | RINNEN -M- PRODUKTIONS GmbH & CO. KG | Locking device for a grating on a frame |
ES2100785A2 (en) * | 1992-09-18 | 1997-06-16 | Muretaine De Fonderie Et Mecan | 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 |
WO2000014340A1 (en) * | 1998-09-03 | 2000-03-16 | Ulma Hormigon Polimero, S. Coop. | Drainage conduit with collapsible cover or grid |
US6640495B1 (en) * | 1999-01-21 | 2003-11-04 | Syracuse Castings Sales Corp. | Safety hatch for preventing fall-through and unauthorized entry |
US6722813B2 (en) * | 2000-07-06 | 2004-04-20 | Saint-Gobain Pam | Road network device with articulated cover |
US7094000B2 (en) * | 2004-05-03 | 2006-08-22 | Neenah Foundry Company | Socket hinged construction casting assembly |
US7144189B1 (en) | 2002-09-06 | 2006-12-05 | Brad Bongiovanni | Locking cover for wells and underground tanks |
ITPI20110047A1 (en) * | 2011-04-26 | 2012-10-27 | Ferb Figli Di Ezio Rossi Spa | AUTOMATIC VANDALISM COUPLING BETWEEN CHASSIS AND COVERING ELEMENT OR ROUND TRIM |
CN110067115A (en) * | 2019-04-24 | 2019-07-30 | 青岛海尔洗衣机有限公司 | A kind of control method of washing machine disk seat, washing machine and washing machine |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10046045C1 (en) * | 2000-09-18 | 2002-03-07 | Buderus Guss Gmbh | Shaft cover or grid attachment has rotary pivot pin fitting into opening provided by frame with cover preventing removal or fitting except in fully vertical position |
US7108447B2 (en) | 2004-05-03 | 2006-09-19 | Neenah Foundry Company | Construction castings with ball and socket connectors |
DE102005002986A1 (en) * | 2005-01-21 | 2006-09-21 | Aco Severin Ahlmann Gmbh & Co. Kg | Cover for a hollow body |
ES2616275B1 (en) * | 2015-12-10 | 2017-12-12 | Benito Urban, Slu | HINGE WITH LOCK POSITIONS FOR COVER OF ALCANTARILLA, IMPROVED |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1630906A (en) * | 1927-02-23 | 1927-05-31 | Garry M Ketcham | Concealed inclosure |
FR2120580A5 (en) * | 1971-01-06 | 1972-08-18 | Fournaise Sa | |
FR2276767A7 (en) * | 1974-06-25 | 1976-01-23 | Pont A Mousson | ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD |
EP0286562A2 (en) * | 1987-04-07 | 1988-10-12 | Pont-A-Mousson S.A. | Manhole with a T-shaped hinge |
-
1989
- 1989-09-29 FR FR8912939A patent/FR2652598B1/en not_active Expired - Lifetime
-
1990
- 1990-09-19 EP EP90470050A patent/EP0420777B1/en not_active Expired - Lifetime
- 1990-09-19 ES ES90470050T patent/ES2038113T3/en not_active Expired - Lifetime
- 1990-09-19 AT AT90470050T patent/ATE91739T1/en not_active IP Right Cessation
- 1990-09-19 DK DK90470050.7T patent/DK0420777T3/en active
- 1990-09-19 DE DE90470050T patent/DE69002297T2/en not_active Expired - Lifetime
- 1990-09-26 NO NO904181A patent/NO178635C/en not_active IP Right Cessation
- 1990-09-28 IE IE349890A patent/IE64122B1/en not_active IP Right Cessation
-
1992
- 1992-04-09 PT PT8468U patent/PT8468U/en not_active IP Right Cessation
-
1993
- 1993-07-22 GR GR930400604T patent/GR3008586T3/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1630906A (en) * | 1927-02-23 | 1927-05-31 | Garry M Ketcham | Concealed inclosure |
FR2120580A5 (en) * | 1971-01-06 | 1972-08-18 | Fournaise Sa | |
FR2276767A7 (en) * | 1974-06-25 | 1976-01-23 | Pont A Mousson | ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD |
EP0286562A2 (en) * | 1987-04-07 | 1988-10-12 | Pont-A-Mousson S.A. | Manhole with a T-shaped hinge |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2681356A1 (en) * | 1991-09-16 | 1993-03-19 | Pont A Mousson | LOCKED BUFFER LOOK. |
EP0533533A1 (en) * | 1991-09-16 | 1993-03-24 | Pont-A-Mousson S.A. | Locked manhole cover |
EP0537552A1 (en) * | 1991-10-15 | 1993-04-21 | RINNEN -M- PRODUKTIONS GmbH & CO. KG | Locking device for a grating on a frame |
ES2100785A2 (en) * | 1992-09-18 | 1997-06-16 | Muretaine De Fonderie Et Mecan | 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 |
WO2000014340A1 (en) * | 1998-09-03 | 2000-03-16 | Ulma Hormigon Polimero, S. Coop. | Drainage conduit with collapsible cover or grid |
US6718692B2 (en) | 1999-01-21 | 2004-04-13 | Syracuse Castings Sale Corp. | Safety hatch for preventing fall-through and unauthorized entry |
US6640495B1 (en) * | 1999-01-21 | 2003-11-04 | Syracuse Castings Sales Corp. | Safety hatch for preventing fall-through and unauthorized entry |
US6722813B2 (en) * | 2000-07-06 | 2004-04-20 | Saint-Gobain Pam | Road network device with articulated cover |
US7144189B1 (en) | 2002-09-06 | 2006-12-05 | Brad Bongiovanni | Locking cover for wells and underground tanks |
US7726902B1 (en) | 2002-09-06 | 2010-06-01 | Brad Bongiovanni | Locking cover for wells and underground tanks |
US7094000B2 (en) * | 2004-05-03 | 2006-08-22 | Neenah Foundry Company | Socket hinged construction casting assembly |
US7744304B2 (en) | 2004-05-03 | 2010-06-29 | Neenah Foundry Company | Socket hinged construction casting assembly |
ITPI20110047A1 (en) * | 2011-04-26 | 2012-10-27 | Ferb Figli Di Ezio Rossi Spa | AUTOMATIC VANDALISM COUPLING BETWEEN CHASSIS AND COVERING ELEMENT OR ROUND TRIM |
CN110067115A (en) * | 2019-04-24 | 2019-07-30 | 青岛海尔洗衣机有限公司 | A kind of control method of washing machine disk seat, washing machine and washing machine |
Also Published As
Publication number | Publication date |
---|---|
DE69002297D1 (en) | 1993-08-26 |
IE903498A1 (en) | 1991-04-10 |
FR2652598A1 (en) | 1991-04-05 |
DK0420777T3 (en) | 1993-08-30 |
NO904181L (en) | 1991-04-02 |
ES2038113T3 (en) | 1993-12-16 |
GR3008586T3 (en) | 1993-10-29 |
DE69002297T2 (en) | 1993-12-02 |
IE64122B1 (en) | 1995-07-12 |
NO178635C (en) | 1996-05-02 |
ATE91739T1 (en) | 1993-08-15 |
PT8468T (en) | 1992-09-30 |
PT8468U (en) | 1995-09-12 |
ES2038113T1 (en) | 1993-07-16 |
FR2652598B1 (en) | 1991-12-13 |
EP0420777B1 (en) | 1993-07-21 |
NO904181D0 (en) | 1990-09-26 |
NO178635B (en) | 1996-01-22 |
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