EP1734192A1 - Device for controlling the locking mechanism of a man hole cover - Google Patents

Device for controlling the locking mechanism of a man hole cover Download PDF

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Publication number
EP1734192A1
EP1734192A1 EP20060290919 EP06290919A EP1734192A1 EP 1734192 A1 EP1734192 A1 EP 1734192A1 EP 20060290919 EP20060290919 EP 20060290919 EP 06290919 A EP06290919 A EP 06290919A EP 1734192 A1 EP1734192 A1 EP 1734192A1
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EP
European Patent Office
Prior art keywords
bolt
cover
frame
locking
unlocking
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
EP20060290919
Other languages
German (de)
French (fr)
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EP1734192B1 (en
Inventor
Gérald Borycki
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 EP1734192A1 publication Critical patent/EP1734192A1/en
Application granted granted Critical
Publication of EP1734192B1 publication Critical patent/EP1734192B1/en
Not-in-force legal-status Critical Current
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
    • E02D29/1427—Locking devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1039—Swinging and camming

Definitions

  • the present invention relates to a device for controlling the position of locking or unlocking a lock for blocking a frame cover or buffer shutter of this frame.
  • a device for remotely controlling, for example by a central monitoring station, the state of closure or not of the frame by the cover. More specifically, this device comprises a sensor, for example of magnetic type, inductive or capacitive, secured to the frame facing the inner face of the cover and which is connected by an electrical cable to the central monitoring.
  • the object of the present invention is to eliminate the above-mentioned drawback of known devices by proposing a device for controlling the position of locking or unlocking of a lock making it possible to block a cover or a plugging buffer from a frame.
  • this frame the latch being integral with the lid and comprising a bolt operable by a key introduced through an access opening to the latch made in the cover to cooperate with a joint striker of the frame so as to bring the bolt to its position locking or unlocking the cover (1) to the frame, and which is characterized in that it comprises means for detecting each of the two extreme positions of locking and unlocking the bolt and for providing an information signal according to which the latch bolt occupies its locking or unlocking position of the lid.
  • the device further comprises an arm kinematically connected to the latch bolt to move between two extreme positions respectively corresponding to the locking and unlocking positions of the bolt.
  • the movable arm is secured perpendicularly to an axis carrying the latch bolt and journalled in the cover so as to allow the arm to pivot under the cover substantially in a plane perpendicular to the cover between its two extreme angular positions and the detection means comprise two sensors secured to the frame at different locations thereof, the free end of the pivoting arm being opposite one or the other of the two sensors according to whether it occupies its extreme position of locking or unlocking the bolt so that the sensor facing the end of the arm provides the signal corresponding to the locking or unlocking of the bolt.
  • the bolt of the latch is secured to a shaft journalled in the cover and has its free end formed by an arcuate wall about 180 ° angle and the detection means comprise two sensors integral with the frame at different locations thereof, the end wall of the bolt having one or the other of its free ends opposite one or the other of the two sensors according to which the bolt occupies its extreme position of locking or unlocking so that the sensor facing the corresponding end of the wall of the bolt provides the signal corresponding to the locking or unlocking of the bolt.
  • the detection means also make it possible to provide an information signal indicating that the cover is removed from its frame after the bolt has occupied its unlocking position.
  • Each sensor is a magnetic proximity sensor, inductive, capacitive, photoelectric or the like, or a contact sensor.
  • the sensors are housed in a cavity formed in one of the side walls of the frame comprising the striker and are arranged at the same level parallel to the upper edge of this wall below this edge.
  • the sensors are housed in a cavity formed in one of the side walls of the frame comprising the striker and are arranged one above the other being offset longitudinally to the side wall.
  • the key adopts selectively, with respect to the opening of the cover, a locking position of the cover to the frame to which the key can be freely removed from the cover and an unlocking position of the cover to which the key is held captive in the opening of the lid.
  • the detection means are connected to a central monitoring station for controlling the state of these detection means.
  • the reference numeral 1 designates a cover or buffer partially shown for closing a frame or frame 2 also partially shown and constituting, for example, a manhole where the frame 2 is buried in the roadway.
  • the lid 1 can be locked in the closed position of the frame 2 in support of the latter by a latch 3 secured to the lid 1.
  • the latch 3 is actuable by a key 4 inserted through an access opening 5 formed in the upper planar wall 1a of the cover 1, the opening 5 opening on the one hand towards the outside of this cover and on the other hand, in a cavity 6 in which the lock 3 is mounted to a large extent.
  • the lock 3, as well as the key 4, may for example be of the type which is the subject of the patent European No.1 105 583 in the name of the Claimant.
  • the latch 3 essentially comprises a bolt 7 integral with an end of an axis 8 mounted journalled in the buffer 1 and can be operated by the key 4 when introduced into the opening 5 in the shape of L.
  • the key 4 may comprise a socket, not shown, extending perpendicularly to the end of the key 4, engageable in the opening 5 and having two opposite external pins for guiding the socket towards the axis 8 for driving the bolt 7, this axis comprising an axial groove cooperating with an axial inner rib of the sleeve 7 to rotate the shaft assembly 8 and bolt 7.
  • the frame 2 comprises, made in one of its side walls 2a, a notch 9 forming a keeper in which can engage the bolt to lock the cover 1 to the frame 2 to its closed position.
  • the key 4 selectively adopts, with respect to the opening 5 of the cover 1, a locking position of this cover to the frame 2 to which the key 4 can be freely withdrawn from the cover 1 and an unlocking position of the cover to which the key is held captive in the opening 5 of this lid.
  • the manhole is provided with a device for controlling the locking or unlocking position of the lock 3.
  • This device comprises a rigid arm 10 whose one end is secured to a sleeve 11 connected to rotation with the axis 8 of the bolt 7 so as to allow the arm 10 to move by pivoting concomitantly with the axis 8 between two extreme positions represented in particular in Figures 3 and 4 corresponding to the locking and unlocking positions of the latch 3, that is to say the positions of engagement of the bolt 7 in the striker 9 and disengagement of the bolt of the striker.
  • the arm 10 extends perpendicular to the axis 8 under the cover 1 and its tilting takes place in a plane substantially perpendicular to the plane of the upper wall 1a of the cover 1.
  • the control device further comprises two sensors 11, 12 integral with the frame 2 being preferably housed in a cavity 13 formed in the side wall 2a below the striker 9 being separated from each other. a determined distance along an axis substantially parallel to the outer edge of the side wall 2a of this frame and located below this edge.
  • the distance separating the two sensors 11, 12 and their location in the cavity 13 of the frame 2 are such that the free end of the arm is opposite one or the other of these two sensors so that they output an electrical signal indicating that the latch 3 is in its locking position of the cover 1 to the frame 2 or its unlocking position of the cover 1 of this frame.
  • the senor 11 is able to provide the electrical signal representative of the locking position of the latch 3 while the sensor 12 is able to provide the electrical signal representative of the unlocking of this latch.
  • the two sensors 11, 12 are connected in particular by buried electric cables to a central monitoring station, not shown, for remotely controlling the state of each of these sensors.
  • the central monitoring station can display on a dashboard by a red indicator light the state of the lock 3 in the locking position of the cover 1 to the frame 2 when the end of the arm 10 is next to the sensor 11 and another green indicator illuminating the unlocking state of the lock when the free end of the arm 10 is next to the sensor 12.
  • Each sensor 11, 12 may be a proximity sensor of the magnetic, inductive, capacitive, photoelectric or similar type, or a contact sensor.
  • the arm 10 When the key 4 is inserted into the opening 5 and operated in the direction moving the bolt 7 out of the striker in its unlocked position, the arm 10 is tilted from its position shown in FIG. 1 to its position shown in FIGS. 5 to which the arm 10 is opposite the sensor 12 which provides the central station with the electrical signal indicating that the latch 3 occupies its unlocking position to which the key 4 is trapped in the opening 5 of the cover 1.
  • the central station can be adapted to provide an alert signal after a period of time determined in the case where the cover 1 would have been placed on the frame 2 without the key 4 has been manipulated to bring the lock to its locking position, for example following an omission on the part of the operator to perform this operation of locking the cover 1 to the frame 2.
  • This warning signal could be used to enable the central monitoring station to inform the operator of this situation for example by calling him on his mobile phone.
  • the bolt 7 of the lock 3 which is used in combination with the sensors 11, 12 to provide the information according to which the cover 1 is locked or not to its frame of support 2.
  • the bolt 7 is integral with an axis 8 of the latch 3 mounted journalled in the cover 1 parallel to its upper planar face 1a and has its free end constituted by an arcuate wall 7a extending over approximately 180 ° of angle, that is to say that the wall 7a constitutes a cylindrical sector coaxial with the axis 8.
  • the two sensors 11, 12 are integral with the internal face of the side wall 2a of the frame 2 delimiting the bottom of the striker 9 and are arranged one above the other by being offset longitudinally along the side wall 2a in locations such that when the bolt 7 is engaged in the latch 9, one or the other of the sensors 11, 12 is opposite one or the other of the two free ends the end face of the arcuate wall 7a according to whether the bolt 7 is in its locking or unlocking position from the cover 1 to the frame 2.
  • the sensor 12 is facing the upper end of the cylindrical sector of the wall 7a to provide the information signal according to which the cover 1 is actually placed on the frame 2 but not locked to the latter.
  • This figure also shows that the end bottom of the cylindrical sector of the wall 7a is not opposite the other sensor 11.
  • the sensors 11, 12 can be connected to the central station to provide information on the state of the cover 1 relative to the frame 2, namely in particular if the cover 1 has been correctly locked to the frame 2 once on the latter.
  • the key 4 can be secured to the lid 1 when the latter is removed from its frame as for the first embodiment.
  • the control device of the invention can be applied to any other type of lock of a cover 1 placed on its support frame.
  • this device can be used with a latch whose axis is mounted journalled in the cover 1 perpendicular to it and can be kinematically connected to an arm as in the first embodiment or integral at its end with a wall arcuate in cylindrical sector as in the second embodiment to cooperate with two sensors respectively providing two locking and unlocking signals from the cover 1 to the frame 2.
  • the device of the invention can also be applied to a lock of the single type sliding bolt in the lid 1 also cooperating with two sensors for indicating the locking and unlocking of the cover 1 to the frame 2.
  • control device of the invention is of an extremely simple structure, efficient and does not require significant transformation vis-à-vis locking devices of the kind known for example by the patent European No.1 105 583 .

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Lock And Its Accessories (AREA)
  • Closures For Containers (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The device has an arm (10) kinematically connected to a bolt (7) of a lock (3) for being moved between two extreme positions respectively corresponding to locking and unlocking positions of the bolt. The lock permits to lock a cover (1) or a sealing buffer to a frame (2) of a pavement manhole. Sensors (11, 12) e.g. magnetic sensors, are integrated to the frame and are connected to a telemonitoring center. The sensors provide information signals corresponding to locking and unlocking positions of the bolt with the cover.

Description

La présente invention concerne un dispositif de contrôle de la position de verrouillage ou de déverrouillage d'un verrou permettant de bloquer à un cadre un couvercle ou tampon d'obturation de ce cadre.The present invention relates to a device for controlling the position of locking or unlocking a lock for blocking a frame cover or buffer shutter of this frame.

Elle s'applique en particulier mais de manière non limitative à un regard de chaussée dont le cadre est solidaire de la chaussée et le couvercle est appliqué sur le cadre pour occuper une position d'obturation de ce cadre auquel le couvercle peut être verrouillé par un verrou solidaire du couvercle et comprenant un pêne manoeuvrable par une clé introduite au travers d'une ouverture d'accès au verrou réalisée dans le couvercle pour coopérer avec une gâche du cadre, de manière à amener le pêne à sa position de verrouillage ou de déverrouillage du couvercle au cadre.It applies in particular but without limitation to a manhole whose frame is secured to the road and the cover is applied to the frame to occupy a closed position of the frame to which the lid can be locked by a lock integral with the cover and comprising a bolt operable by a key inserted through an access opening to the latch formed in the cover to cooperate with a striker of the frame, so as to bring the bolt to its locking or unlocking position from the lid to the frame.

On connaît un dispositif permettant de contrôler à distance, par exemple par un centre de télésurveillance, l'état d'obturation ou non du cadre par le couvercle. Plus précisément, ce dispositif comprend un capteur, par exemple du type magnétique, inductif ou capacitif, solidaire du cadre en regard de la face interne du couvercle et qui est relié par un câble électrique au centre de télésurveillance. Une fois qu'un opérateur a déverrouillé le verrou à l'aide de la clé, le retrait du couvercle de son cadre de support est détecté par le capteur, qui transmet au centre de télésurveillance un signal électrique indiquant l'état d'ouverture du cadre et lorsque le couvercle est à nouveau posé sur le cadre pour l'obturer, le capteur transmet au centre de télésurveillance un signal indiquant que le couvercle occupe sa position de fermeture du cadre.A device is known for remotely controlling, for example by a central monitoring station, the state of closure or not of the frame by the cover. More specifically, this device comprises a sensor, for example of magnetic type, inductive or capacitive, secured to the frame facing the inner face of the cover and which is connected by an electrical cable to the central monitoring. Once an operator has unlocked the lock using the key, the removal of the cover from its support frame is detected by the sensor, which transmits to the central station an electrical signal indicating the open state of the frame and when the cover is again placed on the frame to close, the sensor transmits to the central station a signal indicating that the cover is in its closed position of the frame.

Cependant, ce dispositif connu ne permet pas de signaler au centre de télésurveillance que le couvercle a été correctement verrouillé à son cadre une fois posé sur ce dernier, exposant alors le regard de chaussée à des risques de vandalisme dans le cas où l'opérateur aurait omis de verrouiller le couvercle au cadre.However, this known device does not report to the monitoring center that the cover was properly locked to its frame once placed on the latter, exposing the manhole to vandalism risks in case the operator would failed to lock the lid to the frame.

La présente invention a pour but d'éliminer l'inconvénient ci-dessus des dispositifs connus en proposant un dispositif de contrôle de la position de verrouillage ou de déverrouillage d'un verrou permettant de bloquer à un cadre un couvercle ou tampon d'obturation de ce cadre, le verrou étant solidaire du couvercle et comprenant un pêne manoeuvrable par une clé introduite au travers d'une ouverture d'accès au verrou réalisée dans le couvercle pour coopérer avec une gâche conjuguée du cadre de manière à amener le pêne à sa position de verrouillage ou de déverrouillage du couvercle (1) au cadre, et qui est caractérisé en ce qu'il comprend des moyens de détection de chacune des deux positions extrêmes de verrouillage et de déverrouillage du pêne et permettant de fournir un signal d'information selon lequel le pêne du verrou occupe sa position de verrouillage ou de déverrouillage du couvercle.The object of the present invention is to eliminate the above-mentioned drawback of known devices by proposing a device for controlling the position of locking or unlocking of a lock making it possible to block a cover or a plugging buffer from a frame. this frame, the latch being integral with the lid and comprising a bolt operable by a key introduced through an access opening to the latch made in the cover to cooperate with a joint striker of the frame so as to bring the bolt to its position locking or unlocking the cover (1) to the frame, and which is characterized in that it comprises means for detecting each of the two extreme positions of locking and unlocking the bolt and for providing an information signal according to which the latch bolt occupies its locking or unlocking position of the lid.

Selon un premier mode de réalisation, le dispositif comprend en outre un bras cinématiquement lié au pêne du verrou pour se déplacer entre deux positions extrêmes correspondant respectivement aux positions de verrouillage et de déverrouillage du pêne.According to a first embodiment, the device further comprises an arm kinematically connected to the latch bolt to move between two extreme positions respectively corresponding to the locking and unlocking positions of the bolt.

Le bras mobile est solidaire perpendiculairement d'un axe portant le pêne du verrou et monté tourillonnant dans le couvercle de manière à permettre au bras de pivoter sous le couvercle sensiblement dans un plan perpendiculaire au couvercle entre ses deux positions angulaires extrêmes et les moyens de détection comprennent deux capteurs solidaires du cadre à des emplacements différents de celui-ci, l'extrémité libre du bras pivotant étant en regard de l'un ou l'autre des deux capteurs suivant qu'il occupe sa position extrême de verrouillage ou de déverrouillage du pêne de façon que le capteur en regard de l'extrémité du bras fournisse le signal correspondant au verrouillage ou au déverrouillage du pêne.The movable arm is secured perpendicularly to an axis carrying the latch bolt and journalled in the cover so as to allow the arm to pivot under the cover substantially in a plane perpendicular to the cover between its two extreme angular positions and the detection means comprise two sensors secured to the frame at different locations thereof, the free end of the pivoting arm being opposite one or the other of the two sensors according to whether it occupies its extreme position of locking or unlocking the bolt so that the sensor facing the end of the arm provides the signal corresponding to the locking or unlocking of the bolt.

Selon un second mode de réalisation, le pêne du verrou est solidaire d'un axe monté tourillonnant dans le couvercle et a son extrémité libre constituée par une paroi arquée sur environ 180°d'angle et les moyens de détection comprennent deux capteurs solidaires du cadre à des emplacements différents de celui-ci, la paroi d'extrémité du pêne ayant l'une ou l'autre de ses extrémités libres en regard de l'un ou l'autre des deux capteurs suivant que le pêne occupe sa position extrême de verrouillage ou de déverrouillage de façon que le capteur en regard de l'extrémité correspondante de la paroi du pêne fournisse le signal correspondant au verrouillage ou au déverrouillage du pêne.According to a second embodiment, the bolt of the latch is secured to a shaft journalled in the cover and has its free end formed by an arcuate wall about 180 ° angle and the detection means comprise two sensors integral with the frame at different locations thereof, the end wall of the bolt having one or the other of its free ends opposite one or the other of the two sensors according to which the bolt occupies its extreme position of locking or unlocking so that the sensor facing the corresponding end of the wall of the bolt provides the signal corresponding to the locking or unlocking of the bolt.

Les moyens de détection permettent également de fournir un signal d'information indiquant que le couvercle est retiré de son cadre après que le pêne a occupé sa position de déverrouillage.The detection means also make it possible to provide an information signal indicating that the cover is removed from its frame after the bolt has occupied its unlocking position.

Chaque capteur est un capteur de proximité du type magnétique, inductif, capacitif, photoélectrique ou analogue, ou un capteur à contact.Each sensor is a magnetic proximity sensor, inductive, capacitive, photoelectric or the like, or a contact sensor.

Selon le premier mode de réalisation, les capteurs sont logés dans une cavité formée dans l'une des parois latérales du cadre comportant la gâche et sont disposés à un même niveau parallèle au bord supérieur de cette paroi en dessous de ce bord.According to the first embodiment, the sensors are housed in a cavity formed in one of the side walls of the frame comprising the striker and are arranged at the same level parallel to the upper edge of this wall below this edge.

Selon le second mode de réalisation, les capteurs sont logés dans une cavité formée dans l'une des parois latérales du cadre comportant la gâche et sont disposés l'un au-dessus de l'autre en étant décalés longitudinalement à la paroi latérale.According to the second embodiment, the sensors are housed in a cavity formed in one of the side walls of the frame comprising the striker and are arranged one above the other being offset longitudinally to the side wall.

La clé adopte sélectivement, par rapport à l'ouverture du couvercle, une position de verrouillage du couvercle au cadre à laquelle la clé peut être librement retirée du couvercle et une position de déverrouillage du couvercle à laquelle la clé est retenue prisonnière dans l'ouverture du couvercle.The key adopts selectively, with respect to the opening of the cover, a locking position of the cover to the frame to which the key can be freely removed from the cover and an unlocking position of the cover to which the key is held captive in the opening of the lid.

Avantageusement, les moyens de détection sont reliés à un centre de télésurveillance permettant de contrôler l'état de ces moyens de détection.Advantageously, the detection means are connected to a central monitoring station for controlling the state of these detection means.

L'invention sera mieux comprise et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement de la description explicative qui va suivre faite en référence aux dessins annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels :

  • la figure 1 est une vue partielle en perspective d'un regard de chaussée à cadre et couvercle de fermeture, équipé d'un dispositif de contrôle de verrouillage ou de déverrouillage du couvercle suivant un premier mode de réalisation de l'invention ;
  • la figure 2 est une vue partielle en perspective représentant le regard de chaussée de la figure 1 dont le couvercle est séparé de son cadre de support ;
  • la figure 3 est une vue en perspective de dessous suivant la flèche III de la figure 1 ;
  • la figure 4 est une vue en perspective semblable à celle de la figure 3 et représentant le dispositif de contrôle à une autre position ;
  • la figure 5 est une vue en perspective de dessous suivant la flèche V de la figure 4 ;
  • la figure 6 est une vue en perspective de dessous semblable à celle de la figure 5 et représentant le couvercle retiré de son cadre de support ;
  • la figure 7 est une vue partielle en perspective d'un ensemble à couvercle et cadre de support séparés l'un de l'autre et équipé d'un dispositif de contrôle de verrouillage ou de déverrouillage du couvercle suivant un second mode de réalisation de l'invention ;
  • la figure 8 est une vue de côté suivant la flèche VIII de la figure 7 ;
  • la figure 9 est une vue de côté semblable à celle de la figure 8 avec le couvercle posé sur le cadre et non verrouillé à ce dernier ; et
  • la figure 10 est une vue de côté comme en figure 9 avec le couvercle verrouillé au cadre.
The invention will be better understood and other objects, features, details and advantages thereof will appear more clearly from the explanatory description which follows, with reference to the accompanying drawings given solely by way of example, illustrating an embodiment of the invention. the invention and in which:
  • Figure 1 is a partial perspective view of a frame view and closure cover, equipped with a locking control device or unlocking the lid according to a first embodiment of the invention;
  • Figure 2 is a partial perspective view showing the manhole of Figure 1, the cover is separated from its support frame;
  • Figure 3 is a perspective view from below along the arrow III of Figure 1;
  • Figure 4 is a perspective view similar to that of Figure 3 and showing the control device at another position;
  • Figure 5 is a bottom perspective view along the arrow V of Figure 4;
  • Figure 6 is a bottom perspective view similar to that of Figure 5 and showing the cover removed from its support frame;
  • FIG. 7 is a partial perspective view of a set with a lid and support frame separated from one another and equipped with a device for controlling the locking or unlocking of the lid according to a second embodiment of the invention. invention;
  • Figure 8 is a side view along the arrow VIII of Figure 7;
  • Figure 9 is a side view similar to that of Figure 8 with the cover placed on the frame and not locked to the latter; and
  • Figure 10 is a side view as in Figure 9 with the lid locked to the frame.

En se reportant aux figures, la référence 1 désigne un couvercle ou tampon représenté partiellement permettant d'obturer un cadre ou châssis 2 également partiellement représenté et constituant ensemble, par exemple, un regard de chaussée où le cadre 2 est enfoui dans la chaussée.Referring to the figures, the reference numeral 1 designates a cover or buffer partially shown for closing a frame or frame 2 also partially shown and constituting, for example, a manhole where the frame 2 is buried in the roadway.

Le couvercle 1 peut être verrouillé en position d'obturation du cadre 2 en appui sur ce dernier par un verrou 3 solidaire du couvercle 1.The lid 1 can be locked in the closed position of the frame 2 in support of the latter by a latch 3 secured to the lid 1.

Le verrou 3 est actionnable par une clé 4 introduite au travers d'une ouverture d'accès 5 formée dans la paroi supérieure plane 1a du couvercle 1, l'ouverture 5 débouchant d'une part vers l'extérieur de ce couvercle et d'autre part dans une cavité 6 dans laquelle est monté en grande partie le verrou 3.The latch 3 is actuable by a key 4 inserted through an access opening 5 formed in the upper planar wall 1a of the cover 1, the opening 5 opening on the one hand towards the outside of this cover and on the other hand, in a cavity 6 in which the lock 3 is mounted to a large extent.

Le verrou 3, ainsi que la clé 4, peuvent par exemple être du type faisant l'objet du brevet européen n° 1 105 583 au nom de la Demanderesse.The lock 3, as well as the key 4, may for example be of the type which is the subject of the patent European No.1 105 583 in the name of the Claimant.

Ainsi, le verrou 3 comprend essentiellement un pêne 7 solidaire d'une extrémité d'un axe 8 monté tourillonnant dans le tampon 1 et pouvant être manoeuvré par la clé 4 lorsqu'introduite dans l'ouverture 5 en forme de L. Comme dans le brevet européen susmentionné, la clé 4 peut comporter une douille, non représentée, s'étendant perpendiculairement à l'extrémité de la clé 4, pouvant s'engager dans l'ouverture 5 et comportant deux ergots externes opposés assurant le guidage de la douille vers l'axe 8 d'entraînement du pêne 7, cet axe comportant une rainure axiale coopérant avec une nervure interne axiale de la douille 7 pour entraîner en rotation l'ensemble à axe 8 et pêne 7.Thus, the latch 3 essentially comprises a bolt 7 integral with an end of an axis 8 mounted journalled in the buffer 1 and can be operated by the key 4 when introduced into the opening 5 in the shape of L. As in the European patent mentioned above, the key 4 may comprise a socket, not shown, extending perpendicularly to the end of the key 4, engageable in the opening 5 and having two opposite external pins for guiding the socket towards the axis 8 for driving the bolt 7, this axis comprising an axial groove cooperating with an axial inner rib of the sleeve 7 to rotate the shaft assembly 8 and bolt 7.

Le cadre 2 comporte, réalisée dans l'une de ses parois latérales 2a, une encoche 9 formant gâche dans laquelle peut s'engager le pêne pour verrouiller le couvercle 1 au cadre 2 à sa position d'obturation.The frame 2 comprises, made in one of its side walls 2a, a notch 9 forming a keeper in which can engage the bolt to lock the cover 1 to the frame 2 to its closed position.

La clé 4 adopte sélectivement, par rapport à l'ouverture 5 du couvercle 1, une position de verrouillage de ce couvercle au cadre 2 à laquelle la clé 4 peut être librement retirée du couvercle 1 et une position de déverrouillage du couvercle à laquelle la clé est retenue prisonnière dans l'ouverture 5 de ce couvercle.The key 4 selectively adopts, with respect to the opening 5 of the cover 1, a locking position of this cover to the frame 2 to which the key 4 can be freely withdrawn from the cover 1 and an unlocking position of the cover to which the key is held captive in the opening 5 of this lid.

Selon l'invention, le regard de chaussée est pourvu d'un dispositif permettant de contrôler la position de verrouillage ou de déverrouillage du verrou 3.According to the invention, the manhole is provided with a device for controlling the locking or unlocking position of the lock 3.

Ce dispositif comprend un bras rigide 10 dont une extrémité est solidaire d'un manchon 11 lié à rotation à l'axe 8 du pêne 7 de manière à permettre au bras 10 de se déplacer par pivotement concomitamment avec l'axe 8 entre deux positions extrêmes représentées notamment aux figures 3 et 4 correspondant aux positions de verrouillage et de déverrouillage du verrou 3, c'est-à-dire aux positions d'engagement du pêne 7 dans la gâche 9 et de désengagement du pêne de cette gâche.This device comprises a rigid arm 10 whose one end is secured to a sleeve 11 connected to rotation with the axis 8 of the bolt 7 so as to allow the arm 10 to move by pivoting concomitantly with the axis 8 between two extreme positions represented in particular in Figures 3 and 4 corresponding to the locking and unlocking positions of the latch 3, that is to say the positions of engagement of the bolt 7 in the striker 9 and disengagement of the bolt of the striker.

Le bras 10 s'étend perpendiculairement à l'axe 8 sous le couvercle 1 et son basculement s'effectue dans un plan sensiblement perpendiculaire au plan de la paroi supérieure 1a du couvercle 1.The arm 10 extends perpendicular to the axis 8 under the cover 1 and its tilting takes place in a plane substantially perpendicular to the plane of the upper wall 1a of the cover 1.

Le dispositif de contrôle comprend en outre deux capteurs 11, 12 solidaires du cadre 2 en étant, de préférence, logés dans une cavité 13 réalisée dans la paroi latérale 2a en dessous de la gâche 9 en étant séparés l'un de l'autre d'une distance déterminée le long d'un axe sensiblement parallèle au bord extérieur de la paroi latérale 2a de ce cadre et situé en dessous de ce bord.The control device further comprises two sensors 11, 12 integral with the frame 2 being preferably housed in a cavity 13 formed in the side wall 2a below the striker 9 being separated from each other. a determined distance along an axis substantially parallel to the outer edge of the side wall 2a of this frame and located below this edge.

La distance séparant les deux capteurs 11, 12 et leur emplacement dans la cavité 13 du cadre 2 sont tels que l'extrémité libre du bras se trouve en regard de l'un ou l'autre de ces deux capteurs de manière qu'ils fournissent en sortie un signal électrique indiquant que le verrou 3 occupe sa position de verrouillage du couvercle 1 au cadre 2 ou sa position de déverrouillage du couvercle 1 de ce cadre.The distance separating the two sensors 11, 12 and their location in the cavity 13 of the frame 2 are such that the free end of the arm is opposite one or the other of these two sensors so that they output an electrical signal indicating that the latch 3 is in its locking position of the cover 1 to the frame 2 or its unlocking position of the cover 1 of this frame.

Ainsi, le capteur 11 est apte à fournir le signal électrique représentatif de la position de verrouillage du verrou 3 tandis que le capteur 12 est apte à fournir le signal électrique représentatif du déverrouillage de ce verrou.Thus, the sensor 11 is able to provide the electrical signal representative of the locking position of the latch 3 while the sensor 12 is able to provide the electrical signal representative of the unlocking of this latch.

Les deux capteurs 11, 12 sont reliés notamment par des câbles électriques enterrés à un centre de télésurveillance, non représenté, permettant de contrôler à distance l'état de chacun de ces capteurs. Ainsi, à titre d'exemple, le centre de télésurveillance peut visualiser sur un tableau de bord par un voyant s'allumant en rouge l'état du verrou 3 en position de verrouillage du couvercle 1 au cadre 2 lorsque l'extrémité du bras 10 se trouve en regard du capteur 11 et par un autre voyant s'allumant en vert l'état de déverrouillage de ce verrou lorsque l'extrémité libre du bras 10 se trouve en regard du capteur 12.The two sensors 11, 12 are connected in particular by buried electric cables to a central monitoring station, not shown, for remotely controlling the state of each of these sensors. Thus, for example, the central monitoring station can display on a dashboard by a red indicator light the state of the lock 3 in the locking position of the cover 1 to the frame 2 when the end of the arm 10 is next to the sensor 11 and another green indicator illuminating the unlocking state of the lock when the free end of the arm 10 is next to the sensor 12.

Chaque capteur 11, 12 peut être un capteur de proximité du type magnétique, inductif, capacitif, photoélectrique ou analogue, ou un capteur à contact.Each sensor 11, 12 may be a proximity sensor of the magnetic, inductive, capacitive, photoelectric or similar type, or a contact sensor.

Le fonctionnement du dispositif de contrôle de l'invention ressort déjà de la description qui a été faite ci-dessus et va être maintenant expliqué.The operation of the control device of the invention is already apparent from the description which has been made above and will now be explained.

En position d'obturation du cadre 2 par le couvercle 1 représentée aux figures 1 et 3, le verrou occupe sa position de verrouillage du couvercle 1 à ce cadre, à laquelle le bras 10 a son extrémité en regard du capteur 11 qui fournit au centre de télésurveillance un signal électrique représentatif de l'état de verrouillage du verrou 3.In the closed position of the frame 2 by the cover 1 shown in Figures 1 and 3, the latch is in its locking position of the cover 1 to this frame, to which the arm 10 has its end facing the sensor 11 which provides the center remote monitoring system an electrical signal representative of the locking state of the lock 3.

Lorsque la clé 4 est introduite dans l'ouverture 5 et manoeuvrée dans le sens déplaçant le pêne 7 hors de la gâche à sa position de déverrouillage, le bras 10 est basculé de sa position représentée en figure 1 à sa position représentée aux figures 4 et 5 à laquelle le bras 10 se trouve en regard du capteur 12 qui fournit au centre de télésurveillance le signal électrique indiquant que le verrou 3 occupe sa position de déverrouillage à laquelle la clé 4 est prisonnière de l'ouverture 5 du couvercle 1.When the key 4 is inserted into the opening 5 and operated in the direction moving the bolt 7 out of the striker in its unlocked position, the arm 10 is tilted from its position shown in FIG. 1 to its position shown in FIGS. 5 to which the arm 10 is opposite the sensor 12 which provides the central station with the electrical signal indicating that the latch 3 occupies its unlocking position to which the key 4 is trapped in the opening 5 of the cover 1.

Lorsque le couvercle 1 est retiré du cadre 2 comme représenté aux figures 2 et 6 pour accéder à l'ouverture du regard de chaussée une fois, bien entendu, le verrou à sa position de déverrouillage, l'extrémité libre du bras 10 est complètement désengagée du capteur 12 qui fournit alors un signal électrique reflétant cet état permettant d'indiquer au centre de télésurveillance que le couvercle 1 est retiré de son cadre 2.When the cover 1 is removed from the frame 2 as shown in Figures 2 and 6 to access the opening of the manhole once, of course, the lock in its unlocked position, the free end of the arm 10 is completely disengaged sensor 12 which then provides an electrical signal reflecting this state to indicate to the monitoring center that the cover 1 is removed from its frame 2.

Lorsque le couvercle 1 est à nouveau posé sur le cadre 2, l'extrémité libre du bras 10 se trouve en regard du capteur 12 qui fournit au centre de télésurveillance l'information selon laquelle le couvercle 1 est à sa position d'obturation du cadre 2 et le verrou 3 occupe sa position de déverrouillage.When the cover 1 is again placed on the frame 2, the free end of the arm 10 is next to the sensor 12 which provides the central monitoring station the information that the cover 1 is in its closed position of the frame 2 and the latch 3 occupies its unlocking position.

Lorsque la clé 4 est manoeuvrée pour amener le verrou à sa position de verrouillage, et par conséquent, le pêne 7 dans la gâche 9, l'extrémité libre du bras 10 se trouve en regard du capteur qui fournit au centre de télésurveillance l'information selon laquelle le couvercle 1 est bien verrouillé au cadre 2.When the key 4 is operated to bring the latch to its locking position, and therefore the latch 7 in the striker 9, the free end of the arm 10 is next to the sensor that provides the central station with the information according to which the lid 1 is well locked to the frame 2.

Il est à noter que le centre de télésurveillance peut être adapté pour fournir un signal d'alerte au bout d'une période de temps déterminée dans le cas où le couvercle 1 aurait été posé sur le cadre 2 sans que la clé 4 ait été manoeuvrée pour amener le verrou à sa position de verrouillage, par exemple suite à un oubli de la part de l'opérateur d'effectuer cette opération de verrouillage du couvercle 1 au cadre 2. Ce signal d'alerte pourrait être utilisé pour permettre au centre de télésurveillance d'informer l'opérateur de cette situation par exemple en l'appelant sur son téléphone portable.It should be noted that the central station can be adapted to provide an alert signal after a period of time determined in the case where the cover 1 would have been placed on the frame 2 without the key 4 has been manipulated to bring the lock to its locking position, for example following an omission on the part of the operator to perform this operation of locking the cover 1 to the frame 2. This warning signal could be used to enable the central monitoring station to inform the operator of this situation for example by calling him on his mobile phone.

Selon le second mode de réalisation représenté aux figures 7 à 10, c'est le pêne 7 du verrou 3 qui est utilisé en combinaison avec les capteurs 11, 12 pour fournir l'information selon laquelle le couvercle 1 est verrouillé ou non à son cadre de support 2.According to the second embodiment represented in FIGS. 7 to 10, it is the bolt 7 of the lock 3 which is used in combination with the sensors 11, 12 to provide the information according to which the cover 1 is locked or not to its frame of support 2.

A cet effet, le pêne 7 est solidaire d'un axe 8 du verrou 3 monté tourillonnant dans le couvercle 1 parallèlement à sa face plane supérieure 1a et a son extrémité libre constituée par une paroi arquée 7a s'étendant sur environ 180° d'angle, c'est-à-dire que la paroi 7a constitue un secteur cylindrique coaxial à l'axe 8.For this purpose, the bolt 7 is integral with an axis 8 of the latch 3 mounted journalled in the cover 1 parallel to its upper planar face 1a and has its free end constituted by an arcuate wall 7a extending over approximately 180 ° of angle, that is to say that the wall 7a constitutes a cylindrical sector coaxial with the axis 8.

Les deux capteurs 11, 12 sont solidaires de la face interne de la paroi latérale 2a du cadre 2 délimitant le fond de la gâche 9 et sont disposés l'un au dessus de l'autre en étant décalés longitudinalement suivant la paroi latérale 2a en des emplacements tels que lorsque le pêne 7 est engagé dans la gâche 9, l'un ou l'autre des capteurs 11, 12 est en regard de l'une ou l'autre des deux extrémités libres la face en bout de la paroi arquée 7a suivant que le pêne 7 occupe sa position de verrouillage ou de déverrouillage du couvercle 1 au cadre 2.The two sensors 11, 12 are integral with the internal face of the side wall 2a of the frame 2 delimiting the bottom of the striker 9 and are arranged one above the other by being offset longitudinally along the side wall 2a in locations such that when the bolt 7 is engaged in the latch 9, one or the other of the sensors 11, 12 is opposite one or the other of the two free ends the end face of the arcuate wall 7a according to whether the bolt 7 is in its locking or unlocking position from the cover 1 to the frame 2.

Ainsi, lorsque le couvercle 1 est posé sur le cadre de support 2 avec le pêne 7 occupant sa position de déverrouillage comme représenté en figure 9, le capteur 12 se trouve en regard de l'extrémité supérieure du secteur cylindrique de la paroi 7a pour fournir le signal d'information selon lequel le couvercle 1 est effectivement posé sur le cadre 2 mais non verrouillé à ce dernier. Cette figure montre également que l'extrémité inférieure du secteur cylindrique de la paroi 7a n'est pas en regard de l'autre capteur 11.Thus, when the cover 1 is placed on the support frame 2 with the bolt 7 occupying its unlocking position as shown in FIG. 9, the sensor 12 is facing the upper end of the cylindrical sector of the wall 7a to provide the information signal according to which the cover 1 is actually placed on the frame 2 but not locked to the latter. This figure also shows that the end bottom of the cylindrical sector of the wall 7a is not opposite the other sensor 11.

Lorsque la clé 4 est manoeuvrée dans le sens de verrouillage du couvercle 1 au cadre 2, le pêne 7 bascule de 90° de sa position droite représentée en figure 9 à sa position couchée représentée en figure 10 à laquelle il est bloqué dans sa gâche conjuguée 9. A cette position, l'extrémité du secteur cylindrique de la paroi 7a la plus à droite par rapport à la figure 10 est en regard du capteur 11 qui fournit le signal d'information selon lequel le couvercle 1 est verrouillé au cadre 2, l'autre extrémité de ce secteur n'étant plus en regard du capteur 12.When the key 4 is operated in the locking direction of the cover 1 to the frame 2, the bolt 7 tilts 90 ° from its right position shown in Figure 9 to its lying position shown in Figure 10 to which it is locked in its conjugate keeper 9. At this position, the end of the cylindrical sector of the rightmost wall 7a with respect to FIG. 10 is opposite the sensor 11 which supplies the information signal according to which the cover 1 is locked to the frame 2, the other end of this sector is no longer facing the sensor 12.

Comme pour le premier mode de réalisation, les capteurs 11, 12 peuvent être reliés au centre de télésurveillance pour fournir les informations sur l'état du couvercle 1 relativement au cadre 2, à savoir notamment si le couvercle 1 a été correctement verrouillé au cadre 2 une fois posé sur ce dernier.As for the first embodiment, the sensors 11, 12 can be connected to the central station to provide information on the state of the cover 1 relative to the frame 2, namely in particular if the cover 1 has been correctly locked to the frame 2 once on the latter.

Bien entendu, la clé 4 peut être maintenue solidaire du couvercle 1 lorsque ce dernier est retiré de son cadre comme pour le premier mode de réalisation.Of course, the key 4 can be secured to the lid 1 when the latter is removed from its frame as for the first embodiment.

Le dispositif de contrôle de l'invention peut s'appliquer à tout autre type de verrou d'un couvercle 1 posé sur son cadre de support. Ainsi, ce dispositif peut être utilisé avec un verrou dont l'axe est monté tourillonnant dans le couvercle 1 perpendiculairement à celui-ci et pouvant être cinématiquement lié à un bras comme dans le premier mode de réalisation ou solidaire à son extrémité d'une paroi arquée en secteur cylindrique comme dans le second mode de réalisation pour coopérer avec deux capteurs fournissant respectivement deux signaux de verrouillage et de déverrouillage du couvercle 1 au cadre 2. Le dispositif de l'invention peut également s'appliquer à un verrou du type à simple targette coulissante dans le couvercle 1 coopérant également avec deux capteurs d'indication du verrouillage et déverrouillage du couvercle 1 au cadre 2.The control device of the invention can be applied to any other type of lock of a cover 1 placed on its support frame. Thus, this device can be used with a latch whose axis is mounted journalled in the cover 1 perpendicular to it and can be kinematically connected to an arm as in the first embodiment or integral at its end with a wall arcuate in cylindrical sector as in the second embodiment to cooperate with two sensors respectively providing two locking and unlocking signals from the cover 1 to the frame 2. The device of the invention can also be applied to a lock of the single type sliding bolt in the lid 1 also cooperating with two sensors for indicating the locking and unlocking of the cover 1 to the frame 2.

Le dispositif de contrôle de l'invention est d'une structure extrêmement simple, efficace et ne nécessite pas de transformation importante vis-à-vis des dispositifs de verrouillage du genre connu par exemple par le brevet européen n° 1 105 583 .The control device of the invention is of an extremely simple structure, efficient and does not require significant transformation vis-à-vis locking devices of the kind known for example by the patent European No.1 105 583 .

Claims (10)

Dispositif de contrôle de la position de verrouillage ou de déverrouillage d'un verrou (3) permettant de bloquer à un cadre (2) un couvercle ou tampon (1) d'obturation de ce cadre, le verrou (3) étant solidaire du couvercle (1) et comprenant un pêne (7) manoeuvrable par une clé (4) introduite au travers d'une ouverture (5) d'accès au verrou (3) réalisée dans le couvercle (1) pour coopérer avec une gâche conjuguée (9) du cadre (2) de manière à amener le pêne (7) à sa position de verrouillage ou de déverrouillage du couvercle (1) au cadre (2), caractérisé en ce qu'il comprend des moyens (11, 12) de détection de chacune des deux positions extrêmes de verrouillage et de déverrouillage du pêne (7) et permettant de fournir un signal d'information selon lequel le pêne (7) du verrou (3) occupe sa position de verrouillage ou de déverrouillage du couvercle (1).Device for controlling the position of locking or unlocking of a lock (3) for blocking a frame (2) a cover or buffer (1) for closing this frame, the lock (3) being secured to the cover (1) and comprising a bolt (7) operable by a key (4) introduced through an opening (5) for access to the latch (3) made in the cover (1) to cooperate with a striker lock (9). ) of the frame (2) so as to bring the bolt (7) to its position of locking or unlocking the lid (1) to the frame (2), characterized in that it comprises means (11, 12) of detection of each of the two extreme positions of locking and unlocking of the bolt (7) and making it possible to provide an information signal according to which the bolt (7) of the bolt (3) occupies its position of locking or unlocking the cover (1) . Dispositif selon la revendication 1, caractérisé en ce qu'il comprend en outre un bras (10) cinématiquement lié au pêne (7) du verrou (3) pour se déplacer entre deux positions extrêmes correspondant respectivement aux positions de verrouillage et de déverrouillage du pêne (7).Device according to claim 1, characterized in that it further comprises an arm (10) kinematically connected to the bolt (7) of the latch (3) to move between two extreme positions respectively corresponding to the locking and unlocking positions of the bolt (7). Dispositif selon la revendication 2, caractérisé en ce que le bras mobile (10) est solidaire perpendiculairement d'un axe (8) portant le pêne (7) du verrou (3) et monté tourillonnant dans le couvercle (1) de manière à permettre au bras (10) de pivoter sous le couvercle (1) sensiblement dans un plan perpendiculaire au couvercle (1) entre ses deux positions angulaires extrêmes et en ce que les moyens de détection comprennent deux capteurs (11, 12) solidaires du cadre (2) à des emplacements différents de celui-ci, l'extrémité libre du bras pivotant (10) étant en regard de l'un ou l'autre des deux capteurs (11, 12) suivant qu'il occupe sa position extrême de verrouillage ou de déverrouillage du pêne (7) de façon que le capteur (11 ; 12) en regard de l'extrémité du bras (10) fournisse le signal correspondant au verrouillage ou au déverrouillage du pêne (7).Device according to claim 2, characterized in that the movable arm (10) is secured perpendicularly to an axis (8) carrying the bolt (7) of the latch (3) and journalled in the cover (1) so as to allow the arm (10) pivoting under the cover (1) substantially in a plane perpendicular to the cover (1) between its two extreme angular positions and in that the detection means comprise two sensors (11, 12) integral with the frame (2 ) at different locations thereof, the free end of the pivoting arm (10) being opposite one or the other of the two sensors (11, 12) depending on whether it occupies its position extreme locking or unlocking of the bolt (7) so that the sensor (11; 12) opposite the end of the arm (10) provide the signal corresponding to the locking or unlocking of the bolt (7). Dispositif selon la revendication 1, caractérisé en ce que le pêne (7) du verrou (3) est solidaire d'un axe (8) monté tourillonnant dans le couvercle (1) et a son extrémité libre constituée par une paroi (7a) arquée sur environ 180°d'angle et en ce que les moyens de détection comprennent deux capteurs (11, 12) solidaires du cadre (2) à des emplacements différents de celui-ci, la paroi d'extrémité (7a) du pêne (7) ayant l'une ou l'autre de ses extrémités libres en regard de l'un ou l'autre des deux capteurs (11,12) suivant que le pêne (7) occupe sa position extrême de verrouillage ou de déverrouillage de façon que le capteur (11; 12) en regard de l'extrémité correspondante de la paroi du pêne(3) fournisse le signal correspondant au verrouillage ou au déverrouillage du pêne (7).Device according to claim 1, characterized in that the bolt (7) of the lock (3) is integral with an axis (8) journalled in the cover (1) and has its free end constituted by an arcuate wall (7a) about 180 ° angle and in that the detection means comprise two sensors (11, 12) integral with the frame (2) at different locations thereof, the end wall (7a) of the bolt (7). ) having one or the other of its free ends facing one or other of the two sensors (11, 12) depending on whether the bolt (7) is in its extreme locking or unlocking position so that the sensor (11; 12) facing the corresponding end of the wall of the bolt (3) provides the signal corresponding to the locking or unlocking of the bolt (7). Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens de détection (11, 12) permettent également de fournir un signal d'information indiquant que le couvercle (1) est retiré de son cadre (2) après que le pêne a occupé sa position de déverrouillage.Device according to one of the preceding claims, characterized in that the detection means (11, 12) also make it possible to supply an information signal indicating that the cover (1) is removed from its frame (2) after the bolt has occupied its unlocking position. Dispositif selon l'une des revendications 2 à 5, caractérisé en ce que chaque capteur (11 ; 12) est un capteur de proximité du type magnétique, inductif, capacitif, photoélectrique ou analogue, ou un capteur à contact.Device according to one of claims 2 to 5, characterized in that each sensor (11; 12) is a proximity sensor of the magnetic type, inductive, capacitive, photoelectric or the like, or a contact sensor. Dispositif selon la revendication 2 ou 3, caractérisé en ce que les capteurs (11, 12) sont logés dans une cavité (13) formée dans l'une des parois latérales (2a) du cadre (2) comportant la gâche (9) et sont disposés à un même niveau parallèle au bord supérieur de cette paroi en dessous de ce bord.Device according to claim 2 or 3, characterized in that the sensors (11, 12) are housed in a cavity (13) formed in one of the side walls (2a) of the frame (2) comprising the striker (9) and are arranged at the same level parallel to the upper edge of this wall below this edge. Dispositif selon la revendication 1 ou 4, caractérisé en ce que les capteurs (11, 12) sont logés dans une cavité (13) formée dans l'une des parois latérales (2a) du cadre (2) comportant la gâche (9) et sont disposés l'un au-dessus de l'autre en étant décalés longitudinalement à la paroi latérale (2a).Device according to claim 1 or 4, characterized in that the sensors (11, 12) are housed in a cavity (13) formed in one of the side walls (2a) of the frame (2) comprising the striker (9) and are arranged one above the other by being offset longitudinally to the side wall (2a). Dispositif selon l'une des revendications précédentes, caractérisé en ce que la clé (4) adopte sélectivement, par rapport à l'ouverture (5) du couvercle (1), une position de verrouillage du couvercle (1) au cadre (2) à laquelle la clé (4) peut être librement retirée du couvercle (1) et une position de déverrouillage du couvercle (1) à laquelle la clé (4) est retenue prisonnière dans l'ouverture (5) du couvercle (1).Device according to one of the preceding claims, characterized in that the key (4) selectively adopts, relative to the opening (5) of the cover (1), a locking position of the cover (1) to the frame (2). wherein the key (4) can be freely withdrawn from the lid (1) and an unlocking position of the lid (1) to which the key (4) is held captive in the opening (5) of the lid (1). Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens de détection (11, 12) sont reliés à un centre de télésurveillance permettant de contrôler l'état de ces moyens de détection.Device according to one of the preceding claims, characterized in that the detection means (11, 12) are connected to a central monitoring station for controlling the state of these detection means.
EP20060290919 2005-06-15 2006-06-06 Device for controlling the locking mechanism of a man hole cover Not-in-force EP1734192B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0506068A FR2887268B1 (en) 2005-06-15 2005-06-15 DEVICE FOR CHECKING THE POSITION FOR LOCKING OR UNLOCKING A LATCH FOR BLOCKING A FRAME FOR A CLOSURE COVER OF THIS FRAMEWORK

Publications (2)

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EP1734192A1 true EP1734192A1 (en) 2006-12-20
EP1734192B1 EP1734192B1 (en) 2009-08-12

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EP20060290919 Not-in-force EP1734192B1 (en) 2005-06-15 2006-06-06 Device for controlling the locking mechanism of a man hole cover

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US (1) US20060284427A1 (en)
EP (1) EP1734192B1 (en)
CN (1) CN1880714A (en)
AR (1) AR057376A1 (en)
AT (1) ATE439477T1 (en)
AU (1) AU2006202543B2 (en)
BR (1) BRPI0602695A (en)
CA (1) CA2548868A1 (en)
DE (1) DE602006008385D1 (en)
EC (1) ECSP066636A (en)
ES (1) ES2331428T3 (en)
FR (1) FR2887268B1 (en)
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US10060157B1 (en) * 2017-05-03 2018-08-28 Snap-On Incorporated Lock position sensing mechanism
US10174519B1 (en) * 2017-08-14 2019-01-08 Emerson Process Management Regulator Technologies Tulsa, Llc Apparatus to wirelessly monitor a status of a hatch
CN110607948B (en) * 2018-06-14 2020-12-01 一德金属工业股份有限公司 Electric door latch control device
CN109827789A (en) * 2019-01-28 2019-05-31 广育德（武汉）智控技术有限公司 A kind of detection method and detection system of the failure of rail traffic Sign lapm cabinet lockset
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WO2007119048A1 (en) * 2006-04-13 2007-10-25 Structural Science Composites Ltd Acces cover with locking device and tool for lifting and locking the cover
GB2442763A (en) * 2006-10-13 2008-04-16 Adam Huggett Secure locking manhole cover with multiple sensors and signal transmission to remote location
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CN108118973A (en) * 2018-02-08 2018-06-05 沈阳美迪特信息技术有限公司 A kind of communication pattern manhole cover lock

Also Published As

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NO20062727L (en) 2006-12-18
EP1734192B1 (en) 2009-08-12
US20060284427A1 (en) 2006-12-21
CN1880714A (en) 2006-12-20
ATE439477T1 (en) 2009-08-15
FR2887268A1 (en) 2006-12-22
DE602006008385D1 (en) 2009-09-24
MXPA06006749A (en) 2007-01-19
ECSP066636A (en) 2008-01-23
BRPI0602695A (en) 2007-02-21
AU2006202543A1 (en) 2007-01-11
CA2548868A1 (en) 2006-12-15
ES2331428T3 (en) 2010-01-04
SG128603A1 (en) 2007-01-30
AR057376A1 (en) 2007-11-28
FR2887268B1 (en) 2007-08-10
AU2006202543B2 (en) 2009-04-23

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