EP2772602A1 - Cylinder lock for construction key - Google Patents

Cylinder lock for construction key Download PDF

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Publication number
EP2772602A1
EP2772602A1 EP14157106.7A EP14157106A EP2772602A1 EP 2772602 A1 EP2772602 A1 EP 2772602A1 EP 14157106 A EP14157106 A EP 14157106A EP 2772602 A1 EP2772602 A1 EP 2772602A1
Authority
EP
European Patent Office
Prior art keywords
key
exit slot
lock cylinder
lever
main
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
EP14157106.7A
Other languages
German (de)
French (fr)
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EP2772602B1 (en
Inventor
Christophe Duquesnoy
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.)
Deny Security SAS
Original Assignee
Deny Fontaine SAS
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Publication date
Application filed by Deny Fontaine SAS filed Critical Deny Fontaine SAS
Publication of EP2772602A1 publication Critical patent/EP2772602A1/en
Application granted granted Critical
Publication of EP2772602B1 publication Critical patent/EP2772602B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0012—Accessories in connection with locks for lock parts held in place before or during mounting on the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B21/00—Locks with lamelliform tumblers which are not set by the insertion of the key and in which the tumblers do not follow the movement of the bolt e.g. Chubb-locks
    • E05B21/06—Cylinder locks, e.g. protector locks
    • E05B21/066—Cylinder locks, e.g. protector locks of the rotary-disc tumbler type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/14—Locks for use with special keys or a plurality of keys ; keys therefor with keys of which different parts operate separate mechanisms

Definitions

  • the present invention relates to a filter lock cylinder for allowing the passage of a key to then allow to actuate a lock by driving the key in rotation.
  • Known cylinders have, on the one hand, an inlet flange having an inlet slit and an opposite outlet flange having an exit slit angularly offset by about 90 ° with respect to the inlet slit, and on the other hand a set of washers stacked between the input and output flanges to define a conditioned path of said key between said input slot and said output slot.
  • the passage path defined by the washers is conditioned in that it allows or not the rotation of the bit through the set of washers of about 90 °.
  • the washers have radially extended portions projecting towards the center of the passageway. Also, the key whose bit has radial notches to code it, is allowed to be rotated through the set of washers if the notches of the bit and the projecting portions of the rings coincide respectively.
  • the cylinder has a set of three controllable keys closing the exit slot.
  • Each of the keys of the set comprises a control pin extending axially towards said inlet flange and a lever integral with said control pin.
  • the lever extends radially towards the conditioned passage way to be able to cooperate with the bit of the key.
  • a problem that arises and that aims to solve the present invention is to provide a lock cylinder that allows a normal implementation of the lock during construction, without risking the loss or theft of keys.
  • the present invention provides a filter lock cylinder for allowing the passage of a key to be able to actuate a lock mechanism.
  • the cylinder comprises: an inlet flange having an inlet slit and an opposite outlet flange having an exit slit; a set of stacked washers located between the input and output flanges to define a conditioned path of said key between said input slot and said output slot; a set of controllable keys for closing said exit slot, the keys of said set respectively comprising a control axis extending axially towards said inlet flange and a lever integral with said control pin, said lever extending radially towards said conditioned passageway to be actuable by said key so as to move said keys away from said exit slot.
  • the cylinder further has an axial bore extending from said inlet flange to the lever of one of said control axes, so as to receive a temporary locking member adapted to cooperate with said lever for maintaining said keys in a position spaced from said exit slot.
  • a feature of the invention lies in the implementation of the locking member, from the manufacture of the cylinder during assembly of its elements, so as to temporarily hold the keys in a position away from said slot exit to release it.
  • the exit slot is free, and therefore a banal key having a bent end as a bit can be used to cross the cylinder and reach the lock mechanism placed back.
  • cylinders of this type are mounted with their mechanism on the opening of the building under construction with a simplified key, while the corresponding coded keys are reserved.
  • said set of keys comprises a main key able to extend facing said exit slot and at least one stop key capable of holding said fixed position in said fixed position.
  • main key extended facing said exit slot.
  • the main key masks most of the surface of the exit slot to prohibit the passage.
  • Two stop keys are implemented, one forming a stand opposite the main key to lock it in rotation and the other, diametrically opposite, forming a hook to lock it also in rotation.
  • the axial orifice extends to the lever of the control shaft of said main key.
  • the temporary locking member is adapted to come to lock in rotation the lever of the control shaft of the main key when it extends into a closed position of the output form. In this way, it is the pivoting of the main key which is prevented directly.
  • the lock cylinder comprises a main spring for pivotally driving said lever of the control shaft of said main key when said temporary locking member is removed from said axial bore.
  • the main key returns to its closed position. the exit slot is driven by the spring that relaxes and drives the lever of the corresponding control shaft.
  • said main key is able to maintain said at least one locking key in a position spaced from said exit slot when said main key is spaced from said exit slot.
  • the stop key or keys are first removed from the exit slot, then the main key is spaced apart, and it retains the same, the locking keys.
  • the only holding of the main key away from the exit slot makes it possible to retain the other keys.
  • said axial bore has a threaded portion to be able to receive a threaded locking member.
  • the locking member is screwed during assembly of the cylinder to lock the main key in the position where it releases the exit slot.
  • said axial bore is formed through at least a portion of said set of washers.
  • the axial bore is formed in an eccentric position of the washers relative to the path of passage of the key.
  • the lock cylinder comprises, firstly a fixing housing comprising a front end having an orifice adapted to be installed opposite said axial bore, and secondly a pin plug of said orifice.
  • the present invention relates to a lock cylinder key as described above.
  • Said key comprises a rod and a bit having two parts symmetrical to each other with respect to said rod, and said two parts are formed of two lugs extending perpendicularly to said rod.
  • said rod has a stop located at a distance from said lugs to be able to lock said rod in translation inside said cylinder.
  • the Figure 1 illustrates a filter lock cylinder 10 and a simplified key 11 called "construction key" which will be detailed below. It comprises a cylindrical fixing case 12 having a front end, free, 14 and opposite a flange 16 intended to be installed against the wall of a leaf opposite a lock mechanism not shown.
  • the free end 14 of the fixing housing 12 has a keyway 18 having a central orifice 20 and two diametrically opposite oblong holes 22, 24 extending from the central orifice 20.
  • the space that extends between the two flanges 30, 32 has a continuous stack of washers 34. Some of them have been removed in the drawing, near the outlet flange 32 and halfway between the two. flanges 30, 32 to reveal details.
  • the washers have internal cutouts for encoding the lock and define a conditioned passageway 33 of the key.
  • the inlet flange 30 has an inlet slit 35, while the outlet flange 32 has an outlet slit 36 angularly offset by 90 ° with respect to the inlet slit 35. Also found on the figure 2 the head 26 of the temporary locking member formed of a screw 38 which will be detailed below.
  • FIG. 3 On which we find the outlet flange 32 in rear view. Appears the exit slot 36, free, and a main key 40 in a position spaced from this exit slot 36.
  • the key 40 is mounted slidingly against the rear face 42 of the outlet flange 32 and it extends substantially diametrically between an enlarged free end 44 having a thickened plate 43 and an opposite end 45.
  • the output flange 32 has a main peripheral notch 46 inside which extends, in an axial direction of the cylinder, a main control shaft 48. The latter is secured at one of its ends, the opposite end 45 back of the key 40 and it extends the opposite to a position halfway about between the two flanges 30, 32.
  • the main control shaft 48 comprises a main lever 50 having a first portion 52 which extends substantially perpendicular to the main control axis 48 and a second free portion 54, which extends back from the first portion 52, and to the conditioned passageway 33.
  • the main lever 50 is equipped with a spring wire 55 having two branches that cooperate with the fixing housing 12 to exert a force tending to drive the main lever 50 towards the way of passage 33.
  • the main lever 50 is retained in a position spaced from the passageway 33 through the free end 56 of the screw rod 38 of the temporary locking member.
  • the temporary locking member extends from the head 26 to the free end 56 of the screw rod 38, engaged under the main lever 50.
  • the screw rod 38 thus extends through a bore axial 58 which itself extends from the periphery of the inlet flange 30 through the periphery of a portion of the washers 34 to the main lever 50.
  • the inlet flange 30 presents a threaded inlet port, while the screw rod 38 is threaded near the head 26 to be able to secure the temporary locking member to the cylinder.
  • the key 40 is held in a fixed position and spaced apart from the outlet slot 36 which it releases.
  • the cylinder has a second secondary key 60 having a free hook end 62 and an opposite end 64 integral with a secondary axis 66 extending axially.
  • the outlet flange 32 has a secondary peripheral notch 68 receiving the secondary axis 66.
  • the latter also comprises a secondary lever 70.
  • the secondary key 60 is in sliding abutment against the opposite end 45 of the main key 40 and its Hook free end 62 is in abutment against an edge 72 of the thickened plate 43 of the main key 40.
  • the secondary key 60 is kept spaced from the outlet slot 36 of the outlet flange 32 that it releases .
  • a cot key 74 is also kept spaced from the exit slot 36 by the main key 40.
  • the keyway 74 has a control pin 76 resting in a third notch 78 and which 'extends axially. It is also equipped with a lever not shown in the figure.
  • the key "site 11 which is equipped at its end with a bit consisting of two diametrically opposed lugs 80, 82 is adapted to be introduced through the key inlet 18 of the housing 12 followed by the slot of input 35 of the input flange 30 to be routed through the conditioned passage path 33.
  • the key can then be rotated 90 ° to then engage the two pins 80, 82 of the bit through the exit slot 36 and then win the lock mechanism.
  • the key then has two diametrically opposed stops 84, 86 away from the two lugs 80, 82 to axially limit the stroke of the key.
  • the cot key 74 pivots towards the exit slot 36 and comes to form crutch against the main key 40 to block it also in pivoting. In this way, it is now impossible to reengage the key of "site 11 since the exit slot 36 is closed. Only the coded key 88 as illustrated on the figure 4 corresponding to the cylinder can be engaged to release the exit slot 36 of the keys.
  • the figure 5 illustrates the lock cylinder 10 freed from its temporary locking member and whose orifice 28, allowing the passage of the rod 38, is plugged by means of a pin 90.

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  • Lock And Its Accessories (AREA)

Abstract

The cylinder has washers (34) located between input and output flanges (30, 32) to define a conditioned passage way (33) of a site key (11) between input slot and output slot (36). Main and secondary pins (40, 60) and crutch pin (74) seals the output slot. The pins have main and secondary levers (50, 70) secured to main and secondary control shafts (48, 66) and a control shaft (76). An axial hole (58) is extended from the input flange to the main lever so as to receive a screw stem (38) cooperating with the lever to maintain the pins in an isolated position of the output slot. An independent claim is also included for a key for lock cylinder.

Description

La présente invention se rapporte à un cylindre de serrure à filtre destiné à autoriser le passage d'une clé pour permettre ensuite d'actionner une serrure en entraînant la clé en rotation.The present invention relates to a filter lock cylinder for allowing the passage of a key to then allow to actuate a lock by driving the key in rotation.

Des cylindres connus présentent, d'une part un flasque d'entrée présentant une fente d'entrée et un flasque de sortie opposé présentant une fente de sortie décalée angulairement d'environ 90° par rapport à la fente d'entrée, et d'autre part un jeu de rondelles empilées entre les flasques d'entrée et de sortie pour définir un chemin de passage conditionné de ladite clé entre ladite fente d'entrée et ladite fente de sortie. Le chemin de passage défini par les rondelles est conditionné en ce qu'il autorise ou non la rotation du panneton à travers le jeu de rondelles d'environ 90°.Known cylinders have, on the one hand, an inlet flange having an inlet slit and an opposite outlet flange having an exit slit angularly offset by about 90 ° with respect to the inlet slit, and on the other hand a set of washers stacked between the input and output flanges to define a conditioned path of said key between said input slot and said output slot. The passage path defined by the washers is conditioned in that it allows or not the rotation of the bit through the set of washers of about 90 °.

Les rondelles présentent des portions étendues radialement en saillie vers le centre du chemin de passage. Aussi, la clé dont le panneton présente des entailles radiales pour la coder, est autorisée à être entraînée en rotation à travers le jeu de rondelles si les entailles du panneton et les portions en saillie des rondelles coïncident respectivement.The washers have radially extended portions projecting towards the center of the passageway. Also, the key whose bit has radial notches to code it, is allowed to be rotated through the set of washers if the notches of the bit and the projecting portions of the rings coincide respectively.

En outre, le cylindre comporte un jeu de trois clavettes commandables obturant la fente de sortie. Chacune des clavettes du jeu comprend, un axe de commande s'étendant axialement vers ledit flasque d'entrée et un levier solidaire dudit axe de commande. Le levier s'étend radialement vers le chemin de passage conditionné pour pouvoir coopérer avec le panneton de la clé. Ainsi, si la rotation du panneton et de la clé est autorisée, le panneton vient entraîner séquentiellement les leviers, et partant les axes de commande des clavettes qui libèrent alors la fente de sortie. Partant, le panneton peut être ensuite enfoncé à travers la fente de sortie au-delà du flasque de manière à pouvoir actionner un mécanisme de serrure situé en arrière du flasque de sortie.In addition, the cylinder has a set of three controllable keys closing the exit slot. Each of the keys of the set comprises a control pin extending axially towards said inlet flange and a lever integral with said control pin. The lever extends radially towards the conditioned passage way to be able to cooperate with the bit of the key. Thus, if the rotation of the bit and the key is authorized, the bit sequentially drives the levers, and therefore the control axes of the keys which then release the exit slot. Therefore, the bit can then be pushed through the exit slot beyond the flange so as to actuate a lock mechanism located behind the outlet flange.

On pourra notamment se référer au document EP 1 681 411 B1 , lequel décrit un tel type de cylindre de serrure.In particular, we can refer to the document EP 1 681 411 B1 which describes such a type of lock cylinder.

Les difficultés rencontrées avec ce type de cylindre de serrure résident dans son installation. En effet, les serrures correspondantes sont par exemple installées en grand nombre selon des organigrammes d'autorisation déterminés dans des bâtiments collectifs de sécurité. Aussi, durant l'installation des portes et des serrures du bâtiment, les clés sont déjà associées aux serrures pour pouvoir être utilisées, et toute perte de clé ou tout vol durant la réalisation du bâtiment, fait courir un risque sur sa sûreté après qu'il a été terminé et mis en service.The difficulties encountered with this type of lock cylinder reside in its installation. Indeed, the corresponding locks are for example installed in large numbers according to authorization organization charts determined in collective security buildings. Also, during the installation of the doors and locks of the building, the keys are already associated with the locks to be able to be used, and any loss of key or any flight during the realization of the building, puts a risk on its safety after it has been completed and put into service.

Aussi, un problème qui se pose et que vise à résoudre la présente invention est de fournir un cylindre de serrure qui permette une mise en oeuvre normale de la serrure durant le chantier, sans risquer la perte ou le vol des clés.Also, a problem that arises and that aims to solve the present invention is to provide a lock cylinder that allows a normal implementation of the lock during construction, without risking the loss or theft of keys.

Dans ce but, et selon un premier objet, la présente invention propose un cylindre de serrure à filtre destiné à autoriser le passage d'une clé pour pouvoir actionner un mécanisme de serrure. Ledit cylindre comprend : un flasque d'entrée présentant une fente d'entrée et un flasque de sortie opposé présentant une fente de sortie ; un jeu de rondelles empilées situé entre les flasques d'entrée et de sortie pour définir un chemin de passage conditionné de ladite clé entre ladite fente d'entrée et ladite fente de sortie ; un jeu de clavettes commandables destiné à obturer ladite fente de sortie, les clavettes dudit jeu comprenant respectivement, un axe de commande s'étendant axialement vers ledit flasque d'entrée et un levier solidaire dudit axe de commande, ledit levier s'étendant radialement vers ledit chemin de passage conditionné pour pouvoir être actionné par ladite clé de manière à écarter lesdites clavettes de ladite fente de sortie. Selon l'invention, le cylindre présente en outre un perçage axial s'étendant dudit flasque d'entrée jusqu'au levier de l'un desdits axes de commande, de manière à pouvoir recevoir un organe de blocage temporaire apte à venir coopérer avec ledit levier pour pouvoir maintenir lesdites clavettes dans une position écartée de ladite fente de sortie.For this purpose, and according to a first object, the present invention provides a filter lock cylinder for allowing the passage of a key to be able to actuate a lock mechanism. The cylinder comprises: an inlet flange having an inlet slit and an opposite outlet flange having an exit slit; a set of stacked washers located between the input and output flanges to define a conditioned path of said key between said input slot and said output slot; a set of controllable keys for closing said exit slot, the keys of said set respectively comprising a control axis extending axially towards said inlet flange and a lever integral with said control pin, said lever extending radially towards said conditioned passageway to be actuable by said key so as to move said keys away from said exit slot. According to the invention, the cylinder further has an axial bore extending from said inlet flange to the lever of one of said control axes, so as to receive a temporary locking member adapted to cooperate with said lever for maintaining said keys in a position spaced from said exit slot.

Ainsi, une caractéristique de l'invention réside dans la mise en oeuvre de l'organe de blocage, dès la fabrication du cylindre lors de l'assemblage de ses éléments, de manière à pouvoir maintenir temporairement les clavettes dans une position écartée de ladite fente de sortie pour la libérer. De la sorte, la fente de sortie est libre, et partant, une clé banale présentant une extrémité recourbée en guise de panneton peut être utilisée pour traverser le cylindre et atteindre le mécanisme de serrure placé en arrière. Ainsi, des cylindres de ce type sont montés avec leur mécanisme sur les ouvrants du bâtiment en construction avec une clé simplifiée, tandis que les clés codées correspondantes sont réservées. Lorsque la construction du bâtiment est terminée et qu'il est mis en service, les organes de blocage temporaire sont retirés et les clavettes reprennent leur position naturelle d'obturation de la fente de sortie. Les clés codées correspondantes sont alors remises aux utilisateurs. De la sorte, les clés simplifiées, dite « clé de chantier » sont alors inopérantes puisque la fente de sortie des flasques de sortie est obturée. Aussi, la sécurité du bâtiment est assurée quand bien même ces clés simplifiées seraient dérobées ou perdues. En outre, on observera que l'organe de blocage temporaire ne peut plus être réutilisé pour venir écarter et maintenir à nouveau les clavettes dans une position écartée de la fente de sortie.Thus, a feature of the invention lies in the implementation of the locking member, from the manufacture of the cylinder during assembly of its elements, so as to temporarily hold the keys in a position away from said slot exit to release it. In this way, the exit slot is free, and therefore a banal key having a bent end as a bit can be used to cross the cylinder and reach the lock mechanism placed back. Thus, cylinders of this type are mounted with their mechanism on the opening of the building under construction with a simplified key, while the corresponding coded keys are reserved. When the construction of the building is completed and it is put into operation, the temporary locking members are removed and the keys resume their natural position of closing the exit slot. The corresponding coded keys are then delivered to the users. In this way, the simplified keys, called "key construction" are then inoperative since the exit slot of the output flanges is closed. Also, the security of the building is ensured even if these simplified keys would be stolen or lost. In addition, it will be observed that the temporary locking member can not be reused to come and keep apart and keep the keys again in a position away from the exit slot.

Selon un mode de mise en oeuvre de l'invention particulièrement avantageux, ledit jeu de clavettes comprend une clavette principale apte à venir s'étendre en regard de ladite fente de sortie et au moins une clavette d'arrêt apte à maintenir en position fixe ladite clavette principale étendue en regard de ladite fente de sortie. La clavette principale vient masquer l'essentiel de la surface de la fente de sortie pour interdire le passage. Deux clavettes d'arrêt sont mises en oeuvre, l'une formant béquille vis-à-vis de la clavette principale pour la bloquer en rotation et l'autre, diamétralement opposée, formant crochet pour la bloquer également en rotation.According to an embodiment of the invention that is particularly advantageous, said set of keys comprises a main key able to extend facing said exit slot and at least one stop key capable of holding said fixed position in said fixed position. main key extended facing said exit slot. The main key masks most of the surface of the exit slot to prohibit the passage. Two stop keys are implemented, one forming a stand opposite the main key to lock it in rotation and the other, diametrically opposite, forming a hook to lock it also in rotation.

Préférentiellement, l'orifice axial s'étend jusqu'au levier de l'axe de commande de ladite clavette principale. Ainsi, l'organe de blocage temporaire est adapté à venir bloquer en rotation le levier de l'axe de commande de la clavette principale lorsqu'elle s'étend dans une position d'obturation de la forme de sortie. De la sorte, c'est le pivotement de la clavette principale qui est empêché directement.Preferably, the axial orifice extends to the lever of the control shaft of said main key. Thus, the temporary locking member is adapted to come to lock in rotation the lever of the control shaft of the main key when it extends into a closed position of the output form. In this way, it is the pivoting of the main key which is prevented directly.

En outre, le cylindre de serrure comprend un ressort principal pour pouvoir entraîner en pivotement ledit levier de l'axe de commande de ladite clavette principale lorsque ledit organe de blocage temporaire est retiré dudit perçage axial. De la sorte, grâce au ressort, dès que l'organe de blocage temporaire est extrait du perçage axial, la clavette principale retrouve sa position d'obturation de la fente de sortie entraînée qu'elle est par le ressort qui se détend et entraîne en mouvement le levier de l'axe de commande correspondant.In addition, the lock cylinder comprises a main spring for pivotally driving said lever of the control shaft of said main key when said temporary locking member is removed from said axial bore. In this way, thanks to the spring, as soon as the temporary locking member is extracted from the axial bore, the main key returns to its closed position. the exit slot is driven by the spring that relaxes and drives the lever of the corresponding control shaft.

Avantageusement, ladite clavette principale est apte à maintenir ladite au moins une clavette d'arrêt dans une position écartée de ladite fente de sortie lorsque ladite clavette principale est écartée de ladite fente de sortie. Ainsi, lors du montage du cylindre, la ou les clavettes d'arrêt sont tout d'abord écartées de la fente de sortie, puis la clavette principale en est écartée également, et elle retient par la même, les clavettes d'arrêt. Ainsi, le seul maintien de la clavette principale écartée de la fente de sortie permet de retenir les autres clavettes.Advantageously, said main key is able to maintain said at least one locking key in a position spaced from said exit slot when said main key is spaced from said exit slot. Thus, during mounting of the cylinder, the stop key or keys are first removed from the exit slot, then the main key is spaced apart, and it retains the same, the locking keys. Thus, the only holding of the main key away from the exit slot makes it possible to retain the other keys.

Par ailleurs, et selon une caractéristique avantageuse de l'invention non limitative, ledit perçage axial présente une portion taraudée pour pouvoir recevoir un organe de blocage fileté. Ainsi, l'organe de blocage est vissé lors du montage du cylindre pour bloquer la clavette principal dans la position où elle libère la fente de sortie. En outre, ledit perçage axial est ménagé à travers au moins une partie dudit jeu de rondelles. Avantageusement, le perçage axial est ménagé dans une position excentrée des rondelles par rapport au chemin de passage de la clé.Furthermore, and according to an advantageous characteristic of the nonlimiting invention, said axial bore has a threaded portion to be able to receive a threaded locking member. Thus, the locking member is screwed during assembly of the cylinder to lock the main key in the position where it releases the exit slot. In addition, said axial bore is formed through at least a portion of said set of washers. Advantageously, the axial bore is formed in an eccentric position of the washers relative to the path of passage of the key.

De plus, le cylindre de serrure comprend, d'une part un carter de fixation comprenant une extrémité avant présentant un orifice apte à être installé en regard dudit perçage axial, et d'autre part un pion de bouchage dudit orifice. Ainsi, après que l'organe de blocage temporaire a été retiré du cylindre, à travers l'orifice du carter de fixation, ce dernier est rebouché au moyen du pion de bouchage qui vient alors affleurer en surface. De la sorte, le carter de fixation conserve son aspect et son esthétique.In addition, the lock cylinder comprises, firstly a fixing housing comprising a front end having an orifice adapted to be installed opposite said axial bore, and secondly a pin plug of said orifice. Thus, after the temporary locking member has been removed from the cylinder, through the orifice of the fixing housing, the latter is plugged by means of the plug which then comes flush on the surface. In this way, the fixing housing retains its appearance and aesthetics.

Selon un second objet, la présente invention concerne une clé pour cylindre de serrure tel que décrit ci-dessus. Ladite clé comprend une tige et un panneton présentant deux parties symétriques l'une de l'autre par rapport à ladite tige, et lesdites deux parties sont formées de deux ergots s'étendant perpendiculairement à ladite tige. préférentiellement, ladite tige présente une butée d'arrêt située à distance desdits ergots pour pouvoir bloquer ladite tige en translation à l'intérieur dudit cylindre.According to a second object, the present invention relates to a lock cylinder key as described above. Said key comprises a rod and a bit having two parts symmetrical to each other with respect to said rod, and said two parts are formed of two lugs extending perpendicularly to said rod. preferably, said rod has a stop located at a distance from said lugs to be able to lock said rod in translation inside said cylinder.

D'autres particularités et avantages de l'invention ressortiront à la lecture de la description faite ci-après d'un mode de réalisation particulier de l'invention, donné à titre indicatif mais non limitatif, en référence aux dessins annexés sur lesquels :

  • la Figure 1 est une vue schématique en perspective de trois quarts avant montrant un cylindre de serrure et une clé selon l'invention selon une première phase d'installation;
  • la Figure 2 est une vue schématique en perspective de détail du cylindre de serrure illustré sur la figure 1 selon un angle de vue avant;
  • la Figure 3 est une vue schématique en perspective de détail du cylindre de serrure illustré sur la figure 1 selon un angle de vu arrière;
  • la Figure 4 est une vue schématique en perspective de détail du cylindre selon un angle de vu arrière dans une seconde phase d'installation ;
  • la Figure 5 est une vue schématique en perspective de trois quarts avant du cylindre dans une dernière phase d'installation.
Other features and advantages of the invention will emerge on reading the description given below of a particular embodiment of the invention. the invention, given as an indication but without limitation, with reference to the accompanying drawings in which:
  • the Figure 1 is a schematic perspective view of three quarters front showing a lock cylinder and a key according to the invention according to a first phase of installation;
  • the Figure 2 is a schematic perspective view of detail of the lock cylinder illustrated on the figure 1 at a front view angle;
  • the Figure 3 is a schematic perspective view of detail of the lock cylinder illustrated on the figure 1 at a rear view angle;
  • the Figure 4 is a schematic perspective view of detail of the cylinder at a rear view angle in a second phase of installation;
  • the Figure 5 is a schematic perspective view of three quarters before the cylinder in a final phase of installation.

La Figure 1 illustre un cylindre de serrure à filtre 10 et une clé simplifiée 11 dite « clé de chantier » que l'on détaillera ci-après. Il comprend un carter de fixation 12 cylindrique présentant une extrémité avant, libre, 14 et à l'opposé une collerette 16 destinée à être installé contre la paroi d'un battant en regard d'un mécanisme de serrure non représenté. L'extrémité avant libre 14 du carter de fixation 12 présente une entrée de clé 18 présentant un orifice central 20 et deux orifices oblongs 22, 24 diamétralement opposées s'étendant à partir de l'orifice central 20. En outre, apparaît sur la figure, la tête 26 d'un organe de blocage temporaire, à travers un orifice 28 ménagé axialement dans le carter de fixation 12.The Figure 1 illustrates a filter lock cylinder 10 and a simplified key 11 called "construction key" which will be detailed below. It comprises a cylindrical fixing case 12 having a front end, free, 14 and opposite a flange 16 intended to be installed against the wall of a leaf opposite a lock mechanism not shown. The free end 14 of the fixing housing 12 has a keyway 18 having a central orifice 20 and two diametrically opposite oblong holes 22, 24 extending from the central orifice 20. In addition, appears in FIG. , the head 26 of a temporary locking member, through an orifice 28 formed axially in the fixing housing 12.

La figure 2 à laquelle on se rapportera à présent, illustre le cylindre de serrure débarrassé de son carter de fixation 12. Il comprend deux flasques opposés, un flasque d'entrée 30, et un flasque de sortie 32, sensiblement circulaires et entre lesquels sont empilées des rondelles 34. L'espace qui s'étend entre les deux flasques 30, 32 présente un empilement continu de rondelles 34. Certaines d'entre elles ont été retirées sur le dessin, près du flasque de sortie 32 et à mi-distance entre les deux flasques 30, 32 pour faire apparaître des éléments de détail. Les rondelles présentent des découpes internes permettant de coder la serrure et elles définissent un chemin de passage conditionné 33 de la clé.The figure 2 to which reference will now be made, illustrates the lock cylinder removed from its fixing housing 12. It comprises two opposed flanges, an inlet flange 30, and an outlet flange 32, substantially circular and between which are stacked washers 34. The space that extends between the two flanges 30, 32 has a continuous stack of washers 34. Some of them have been removed in the drawing, near the outlet flange 32 and halfway between the two. flanges 30, 32 to reveal details. The washers have internal cutouts for encoding the lock and define a conditioned passageway 33 of the key.

Le flasque d'entrée 30 présente une fente d'entrée 35, tandis que le flasque de sortie 32 présente une fente de sortie 36 décalée angulairement de 90° par rapport à la fente d'entrée 35. On retrouve également sur la figure 2 la tête 26 de l'organe de blocage temporaire formé d'une vis 38 que l'on détaillera ci-après.The inlet flange 30 has an inlet slit 35, while the outlet flange 32 has an outlet slit 36 angularly offset by 90 ° with respect to the inlet slit 35. Also found on the figure 2 the head 26 of the temporary locking member formed of a screw 38 which will be detailed below.

On se référera à présent à la figure 3, sur laquelle on retrouve le flasque de sortie 32 en vu arrière. Apparaît la fente de sortie 36, libre, et une clavette principale 40 dans une position écartée de cette fente de sortie 36. La clavette 40 est montée en appui glissant contre la face arrière 42 du flasque de sortie 32 et elle s'étend sensiblement diamétralement entre une extrémité libre élargie 44 présentant une platine en surépaisseur 43 et une extrémité opposée en retour 45. Le flasque de sortie 32 présente une encoche périphérique principale 46 à l'intérieur de laquelle vient s'étendre, selon une direction axial du cylindre, un axe de commande principal 48. Ce dernier est solidaire à l'une de ses extrémités, de l'extrémité opposée en retour 45 de la clavette 40 et il s'étend à l'opposé jusqu'à une position située à mi-distance environ entre les deux flasques 30, 32.We will now refer to the figure 3 , on which we find the outlet flange 32 in rear view. Appears the exit slot 36, free, and a main key 40 in a position spaced from this exit slot 36. The key 40 is mounted slidingly against the rear face 42 of the outlet flange 32 and it extends substantially diametrically between an enlarged free end 44 having a thickened plate 43 and an opposite end 45. The output flange 32 has a main peripheral notch 46 inside which extends, in an axial direction of the cylinder, a main control shaft 48. The latter is secured at one of its ends, the opposite end 45 back of the key 40 and it extends the opposite to a position halfway about between the two flanges 30, 32.

L'axe de commande principale 48 comporte un levier principal 50 présentant une première portion 52 qui s'étend sensiblement perpendiculairement à l'axe de commande principale 48 et une seconde portion, libre 54, qui s'étend en retour par rapport à la première portion 52, et vers le chemin de passage conditionné 33. En outre, le levier principal 50 est équipé d'un fil ressort 55 présentant deux branches qui viennent coopérer avec le carter de fixation 12 pour exercer un effort tendant à entraîner le levier principal 50 vers le chemin de passage 33.The main control shaft 48 comprises a main lever 50 having a first portion 52 which extends substantially perpendicular to the main control axis 48 and a second free portion 54, which extends back from the first portion 52, and to the conditioned passageway 33. In addition, the main lever 50 is equipped with a spring wire 55 having two branches that cooperate with the fixing housing 12 to exert a force tending to drive the main lever 50 towards the way of passage 33.

Tel que présenté sur la figure 3, le levier principal 50 est retenu dans une position écartée du chemin de passage 33 par l'intermédiaire de l'extrémité libre 56 de la tige de vis 38 de l'organe de blocage temporaire. Ainsi, l'organe de blocage temporaire s'étend de la tête 26 jusqu'à l'extrémité libre 56 de la tige de vis 38, engagée sous le levier principal 50. La tige de vis 38 s'étend ainsi à travers un perçage axial 58 qui s'étend lui-même de la périphérie du flasque d'entrée 30 en traversant la périphérie d'une partie des rondelles 34 jusqu'au levier principal 50 . Avantageusement, le flasque d'entrée 30 présente un orifice d'entrée taraudé, tandis que la tige de vis 38 est filetée près de la tête 26 afin de pouvoir solidariser l'organe de blocage temporaire au cylindre.As presented on the figure 3 , the main lever 50 is retained in a position spaced from the passageway 33 through the free end 56 of the screw rod 38 of the temporary locking member. Thus, the temporary locking member extends from the head 26 to the free end 56 of the screw rod 38, engaged under the main lever 50. The screw rod 38 thus extends through a bore axial 58 which itself extends from the periphery of the inlet flange 30 through the periphery of a portion of the washers 34 to the main lever 50. Advantageously, the inlet flange 30 presents a threaded inlet port, while the screw rod 38 is threaded near the head 26 to be able to secure the temporary locking member to the cylinder.

De la sorte, la clavette 40 est maintenu en position fixe et écartée de la fente de sortie 36 qu'elle libère. Au surplus, le cylindre comporte une deuxième clavette secondaire 60 présentant une extrémité libre formant crochet 62 et une extrémité opposée 64 solidaire d'un axe secondaire 66 s'étendant axialement. Le flasque de sortie 32 présente une encoche périphérique secondaire 68 recevant l'axe secondaire 66. Ce dernier comporte également un levier secondaire 70. La clavette secondaire 60 est en appui glissant contre l'extrémité opposée en retour 45 de la clavette principale 40 et son extrémité libre formant crochet 62 est en butée contre un bord 72 de la platine en surépaisseur 43 de la clavette principale 40. Ainsi, la clavette secondaire 60 est-elle maintenue écartée de la fente de sortie 36 du flasque de sortie 32 qu'elle libère.In this way, the key 40 is held in a fixed position and spaced apart from the outlet slot 36 which it releases. In addition, the cylinder has a second secondary key 60 having a free hook end 62 and an opposite end 64 integral with a secondary axis 66 extending axially. The outlet flange 32 has a secondary peripheral notch 68 receiving the secondary axis 66. The latter also comprises a secondary lever 70. The secondary key 60 is in sliding abutment against the opposite end 45 of the main key 40 and its Hook free end 62 is in abutment against an edge 72 of the thickened plate 43 of the main key 40. Thus, the secondary key 60 is kept spaced from the outlet slot 36 of the outlet flange 32 that it releases .

À l'opposé de la clavette secondaire 60, une clavette béquille 74 est également maintenue écartée de la fente de sortie 36 par la clavette principale 40. La clavette béquille 74 présente un axe de commande 76 en appui dans une troisième encoche 78 et qui s'étend axialement. Il est également équipé d'un levier non représenté sur la figure.Opposite the secondary key 60, a cot key 74 is also kept spaced from the exit slot 36 by the main key 40. The keyway 74 has a control pin 76 resting in a third notch 78 and which 'extends axially. It is also equipped with a lever not shown in the figure.

De la sorte, la clé de « chantier 11 qui est équipée à son extrémité d'un panneton constitué de deux ergots diamétralement opposés 80, 82 est apte à être introduite à travers l'entrée de clé 18 du carter 12 suivie de la fente d'entrée 35 du flasque d'entrée 30 pour être acheminée à travers le chemin de passage conditionné 33. La clé peut alors être entraînée en rotation de 90° pour pouvoir engager ensuite les deux ergots 80, 82 du panneton à travers la fente de sortie 36 et ensuite gagner le mécanisme de serrure. La clé présente alors deux butées diamétralement opposées 84, 86 à distance des deux ergots 80, 82 afin de limiter axialement la course de la clé.In this way, the key "site 11 which is equipped at its end with a bit consisting of two diametrically opposed lugs 80, 82 is adapted to be introduced through the key inlet 18 of the housing 12 followed by the slot of input 35 of the input flange 30 to be routed through the conditioned passage path 33. The key can then be rotated 90 ° to then engage the two pins 80, 82 of the bit through the exit slot 36 and then win the lock mechanism. The key then has two diametrically opposed stops 84, 86 away from the two lugs 80, 82 to axially limit the stroke of the key.

Après que le cylindre de serrure 10 tel qu'illustré sur la figure 1 a été installé et que l'on souhaite conditionner son fonctionnement en utilisant une clé codée, on retire alors l'organe de blocage temporaire en dévissant la tige de vis 38 par l'intermédiaire de sa tête 26. Dès que l'extrémité libre 56 de la tige de vis 38 est écartée du levier principal 50, ce dernier pivote et est entraîné par le fil ressort 55 vers le chemin de passage conditionné 33. Partant, la clavette principale 40 pivote également autour de l'axe de commande principale 48 et vient obturer la fente de sortie 36 du flasque de sortie 32. L'extrémité libre formant crochet 62 de la clavette secondaire échappe alors au bord 72 de la platine en surépaisseur 43 et elle pivote à son tour vers la fente de sortie 36 comme illustré sur la figure 4, en venant accrocher la platine en sur épaisseur 43. Elle bloque ainsi en rotation la clavette principale 40. À son tour, la clavette béquille 74 pivote vers la fente de sortie 36 et vient former béquille contre la clavette principale 40 pour la bloquer également en pivotement. De la sorte, il est désormais impossible de venir réengager la clé de « chantier 11 puisque la fente de sortie 36 est obturée. Seule la clé codée 88 telle qu'illustrée sur la figure 4 correspondant au cylindre peut y être engagée pour libérer la fente de sortie 36 des clavettes.After the lock cylinder 10 as illustrated on the figure 1 has been installed and that it is desired to condition its operation using a coded key, then removing the temporary locking member by unscrewing the screw rod 38 through its head 26. As soon as the free end 56 the screw rod 38 is moved away from the main lever 50, the latter pivots and is driven by the As a result, the main key 40 also pivots around the main control axis 48 and closes off the exit slot 36 of the outlet flange 32. The free hook end 62 the secondary key then escapes the edge 72 of the thickened plate 43 and it pivots in turn towards the exit slot 36 as illustrated in FIG. figure 4 , while coming to hang the plate in thickness 43. It thus locks in rotation the main key 40. In turn, the cot key 74 pivots towards the exit slot 36 and comes to form crutch against the main key 40 to block it also in pivoting. In this way, it is now impossible to reengage the key of "site 11 since the exit slot 36 is closed. Only the coded key 88 as illustrated on the figure 4 corresponding to the cylinder can be engaged to release the exit slot 36 of the keys.

La figure 5 illustre le cylindre de serrure 10 débarrassé de son organe de blocage temporaire et dont l'orifice 28, permettant le passage de la tige 38, est bouché au moyen d'un pion 90.The figure 5 illustrates the lock cylinder 10 freed from its temporary locking member and whose orifice 28, allowing the passage of the rod 38, is plugged by means of a pin 90.

Claims (10)

Cylindre de serrure à filtre (10) destiné à autoriser le passage d'une clé pour pouvoir actionner un mécanisme de serrure, ledit cylindre comprenant : - un flasque d'entrée (30) présentant une fente d'entrée (35) et un flasque de sortie (32) opposé présentant une fente de sortie (36) ; - un jeu de rondelles (34) empilées situé entre les flasques d'entrée (30) et de sortie (32) pour définir un chemin de passage conditionné (33) de ladite clé (11) entre ladite fente d'entrée (35) et ladite fente de sortie (36) ; - un jeu de clavettes commandables (40, 60, 74) destiné à obturer ladite fente de sortie (36), les clavettes dudit jeu comprenant respectivement, un axe de commande (48, 66, 76) s'étendant axialement vers ledit flasque d'entrée (30) et un levier (50, 70) solidaire dudit axe de commande, ledit levier s'étendant radialement vers ledit chemin de passage conditionné (33) pour pouvoir être actionné par ladite clé de manière à écarter lesdites clavettes (40, 60, 74) de ladite fente de sortie (36); caractérisé en ce qu'il présente en outre un perçage axial (58) s'étendant dudit flasque d'entrée (30) jusqu'au levier (50) de l'un desdits axes de commande (48), de manière à pouvoir recevoir un organe de blocage temporaire (38) apte à venir coopérer avec ledit levier (50) pour pouvoir maintenir lesdites clavettes (40, 60, 74) dans une position écartée de ladite fente de sortie (36).A filter lock cylinder (10) for allowing the passage of a key to actuate a lock mechanism, said cylinder comprising: - an inlet flange (30) having an inlet slit (35) and an opposite outlet flange (32) having an exit slit (36); a set of stacked washers (34) located between the inlet (30) and outlet (32) flanges to define a conditioned passageway (33) of said key (11) between said inlet slot (35) and said exit slot (36); a set of controllable keys (40, 60, 74) intended to close off said exit slot (36), the keys of said set comprising respectively a control pin (48, 66, 76) extending axially towards said end plate; an inlet (30) and a lever (50, 70) integral with said control shaft, said lever extending radially towards said conditioned passageway (33) to be actuable by said key so as to move said keys (40, 60, 74) of said exit slot (36); characterized in that it further has an axial bore (58) extending from said inlet flange (30) to the lever (50) of one of said control pins (48) so as to be able to receive a temporary locking member (38) adapted to cooperate with said lever (50) to maintain said keys (40, 60, 74) in a position spaced from said exit slot (36). Cylindre de serrure selon la revendication 1, caractérisé en ce que ledit jeu de clavettes (40, 60, 74) comprend une clavette principale (40) apte à venir s'étendre en regard de ladite fente de sortie (36) et au moins une clavette d'arrêt (60, 74) apte à maintenir en position fixe ladite clavette principale (40) étendue en regard de ladite fente de sortie (36).Lock cylinder according to claim 1, characterized in that said set of keys (40, 60, 74) comprises a main key (40) adapted to extend facing said exit slot (36) and at least one stop key (60, 74) adapted to maintain in said fixed position said main key (40) extending opposite said exit slot (36). Cylindre de serrure selon la revendication 2, caractérisé en ce que l'orifice axial (58) s'étend jusqu'au levier (50) de l'axe de commande (48) de ladite clavette principale (40).Lock cylinder according to claim 2, characterized in that the axial orifice (58) extends to the lever (50) of the control shaft (48) of said main key (40). Cylindre de serrure selon la revendication 3, caractérisé en ce qu'il comprend un ressort principal (55) pour pouvoir entraîner en pivotement ledit levier (50) de l'axe de commande (48) de ladite clavette principale (40) lorsque ledit organe de blocage temporaire (38) est retiré dudit perçage axial (58).Lock cylinder according to claim 3, characterized in that it comprises a main spring (55) to be able to pivot said lever (50) of the control shaft (48) of said main key (40) when said temporary locking member (38) is removed from said axial bore (58). Cylindre de serrure selon l'une quelconque des revendications 2 à 4, caractérisé en ce que ladite clavette principale (40) est apte à maintenir ladite au moins une clavette d'arrêt (60, 74) dans une position écartée de ladite fente de sortie (36) lorsque ladite clavette principale (40) est écartée de ladite fente de sortie.Lock cylinder according to any one of claims 2 to 4, characterized in that said main key (40) is adapted to maintain said at least one locking key (60, 74) in a position spaced from said exit slot (36) when said main key (40) is spaced from said exit slot. Cylindre de serrure selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ledit perçage axial (58) présente une portion taraudée pour pouvoir recevoir un organe de blocage fileté.Lock cylinder according to any one of claims 1 to 5, characterized in that said axial bore (58) has a threaded portion to be able to receive a threaded locking member. Cylindre de serrure selon l'une quelconque des revendications 1 à 6, caractérisé en ce que ledit perçage axial (58) est ménagé à travers au moins une partie dudit jeu de rondelles (34).Lock cylinder according to any one of claims 1 to 6, characterized in that said axial bore (58) is formed through at least a portion of said set of washers (34). Cylindre de serrure selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comprend d'une part un carter de fixation (12) comprenant une extrémité avant (14) présentant un orifice (28) apte à être installé en regard dudit perçage axial (58), et d'autre part un pion de bouchage (90) dudit orifice.Lock cylinder according to any one of claims 1 to 7, characterized in that it comprises on the one hand a fixing housing (12) comprising a front end (14) having an orifice (28) suitable for installation in view of said axial bore (58), and secondly a stopper pin (90) of said orifice. Clé pour cylindre de serrure selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle comprend une tige et un panneton (80, 82) présentant deux parties symétriques l'une de l'autre par rapport à ladite tige, et en ce que lesdites deux parties sont formées de deux ergots s'étendant perpendiculairement à ladite tige.Key for a lock cylinder according to any one of claims 1 to 8, characterized in that it comprises a rod and a bit (80, 82) having two parts symmetrical to one another with respect to said rod, and in that said two parts are formed of two lugs extending perpendicular to said rod. Clé selon la revendication 9, caractérisé en ce que ladite tige présente une butée d'arrêt (84, 86) située à distance desdits ergots (80, 82) pour pouvoir bloquer ladite tige en translation à l'intérieur dudit cylindre (10).Key according to claim 9, characterized in that said rod has a stop (84, 86) located at a distance from said lugs (80, 82) to be able to lock said rod in translation inside said cylinder (10).
EP14157106.7A 2013-02-27 2014-02-27 Cylinder lock for construction key Active EP2772602B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1351709A FR3002572B1 (en) 2013-02-27 2013-02-27 LOCK CYLINDER WITH KEY OPEN

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EP2772602A1 true EP2772602A1 (en) 2014-09-03
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3219881A1 (en) * 2016-03-15 2017-09-20 Deny Security Lock cylinder with secure filter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2734858A1 (en) * 1995-06-02 1996-12-06 Deny Secure cylinder lock opened by key
FR2757557A1 (en) * 1996-12-24 1998-06-26 Deny Security lock, e.g. with box housing or for padlock, with code rings and ratchet pawls
EP1681411A1 (en) * 2005-01-12 2006-07-19 Deny Fontaine Lock cylinder for key having a key bit which cross section is non-circular
EP2078806A1 (en) * 2008-01-11 2009-07-15 Deny Fontaine Cylinder lock comprising disc tumbler assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2734858A1 (en) * 1995-06-02 1996-12-06 Deny Secure cylinder lock opened by key
FR2757557A1 (en) * 1996-12-24 1998-06-26 Deny Security lock, e.g. with box housing or for padlock, with code rings and ratchet pawls
EP1681411A1 (en) * 2005-01-12 2006-07-19 Deny Fontaine Lock cylinder for key having a key bit which cross section is non-circular
EP2078806A1 (en) * 2008-01-11 2009-07-15 Deny Fontaine Cylinder lock comprising disc tumbler assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3219881A1 (en) * 2016-03-15 2017-09-20 Deny Security Lock cylinder with secure filter
FR3048990A1 (en) * 2016-03-15 2017-09-22 Deny Security SECURE FILTER LOCK CYLINDER

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Publication number Publication date
FR3002572B1 (en) 2017-12-22
EP2772602B1 (en) 2018-12-12
FR3002572A1 (en) 2014-08-29
HUE042325T2 (en) 2019-06-28

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