EP0902138A1 - Lock cylinder and key for such a lock cylinder - Google Patents

Lock cylinder and key for such a lock cylinder Download PDF

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Publication number
EP0902138A1
EP0902138A1 EP98402057A EP98402057A EP0902138A1 EP 0902138 A1 EP0902138 A1 EP 0902138A1 EP 98402057 A EP98402057 A EP 98402057A EP 98402057 A EP98402057 A EP 98402057A EP 0902138 A1 EP0902138 A1 EP 0902138A1
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EP
European Patent Office
Prior art keywords
bit
key
rotor
outer rotor
axial
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
EP98402057A
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German (de)
French (fr)
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EP0902138B1 (en
Inventor
Philippe Gmyrek
Michel Dentin
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.)
Assa Abloy France SAS
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Laperche SA
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Publication date
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Publication of EP0902138A1 publication Critical patent/EP0902138A1/en
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Publication of EP0902138B1 publication Critical patent/EP0902138B1/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/10—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0032—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with both axially and radially arranged tumbler pins or balls
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0065—Operating modes; Transformable to different operating modes
    • E05B63/0078—Operating modes; Transformable to different operating modes allowing opening with key from outside, even with key inserted from inside

Definitions

  • the present invention relates to lock cylinders and relates to more particularly to improving the safety of such cylinders with respect to screw break-ins by drilling and probing.
  • Unauthorized opening of locks fitted with cylinders in particular of flat-key cylinders is generally carried out after drilling the outer rotor of the cylinder or even probing the suit pushers and pins which are normally pushed back and aligned during insertion of the key in the corresponding rotor.
  • the invention aims to erect obstacles to drilling and probing a lock cylinder which, without preventing their realization, ensures a deceleration of their execution.
  • a lock cylinder comprising a stator, a outer rotor and an inner rotor mounted in the stator, an interposed bit between the outer rotor and the inner rotor and means for engaging the bit with the outer rotor or the inner rotor when inserting a key in the corresponding rotor
  • said clutch means comprising means for securing the bit in rotation with the inner rotor and for disconnection in rotation of the bit with respect to the external rotor in the absence of key in the outer rotor and of fastening in rotation of the bit with the outer rotor and release of the bit relative to the inner rotor, when the introduction of the key into the outer rotor, characterized in that said securing and detaching means are coded, actuable means by the key.
  • said clutch means comprise at least one axial locking pin in rotation of the bit with the inner rotor of the cylinder, said at least one axial pin being mounted axially displaceable in the inner rotor and its end being engaged under the action of an elastic return member in a hole in the bit and at least one axial pusher for securing the bit with the outer rotor and separation of the bit from to the inner rotor, mounted in the outer rotor and actuated by the introduction of the key in the outer rotor to push back the axial pin of the inner rotor against the elastic member out of the bit hole and substitute for it in it to secure the bit with the outer rotor.
  • the subject of the invention is also a key for a lock cylinder of the type defined above, characterized in that it comprises means intended for cooperate with the coded means for securing the bit in rotation with the outer rotor and of the bit release relative to the inner rotor during inserting the key into the outer rotor.
  • the key comprises at least one axial recess formed in the end of its rod, said axial recess being intended to cooperate by its bottom with a corresponding pusher mounted in the external rotor for axially displacing said pusher during the introduction of the key in said outer rotor.
  • the cylinder shown in Figure 1 has a body 1 for example made of brass, in which a first rotor 2 is rotatably mounted which will be considered like the outside rotor of the cylinder and intended to be mounted outside a door fitted with such a cylinder and a second rotor 3 which will be considered like the inner rotor.
  • the body 1 comprises a series of parallel channels 4 for sets of pins 5, pushers 6, springs 7 and plugs 8 which define in a conventional manner, the combination corresponding to the cutout 9 provided on the corresponding edge of the rod 10 of the key 11 for actuating said cylinder.
  • the stator 1 has a notch 12 in which a bit 13 is engaged.
  • Circlips 14 are intended to ensure the axial immobilization of the rotors 2 and 3 with respect to stator 1, by engagement in corresponding grooves 15 of said rotors and by abutment against the interior walls of the notch 12 as shown in particular in FIGS. 2 and 3.
  • axial pushers 18 In the axial channels 16 formed in the outer rotor 2, on the one hand and on the other side of the key passage 2a of this rotor, are arranged axial pushers 18 in each of which is provided an axial lateral recess 19.
  • a lateral finger 20 is engaged making projection in the key passage 2a to cooperate with the bottom of an axial recess corresponding 21 formed in the corresponding face of the end of the rod 10 of the key 11 for axially moving the corresponding pusher 18.
  • the inner rotor 3 are formed on either side of the passage key 3a of the axial passages 23 whose axes are aligned with the axes of the axial channels 16 of the outer rotor 2 and in which pins are mounted 24 having shoulder ends 25 of diameter corresponding to the diameter of the holes 17 made in the bit 13 in which are engaged the corresponding ends of the exterior 2 and interior 3 rotors.
  • the length of the shouldered ends 25 of the pins 24 is equal to the thickness of the web 26 of the bit 13 in which the holes 17 are formed.
  • the shoulder ends 25 of the axial pins 24 have a section corresponding to that of the pushers 18 mounted movable in the outer rotor 2.
  • this action causes the rotation to join outer rotor 2 with bit 13.
  • the outer rotor 2 comprises two pushers 18 associated with two axial pins 24 mounted in the rotor interior 3 as well as two holes 17 formed in the bit 13 and intended for receive either the ends 25 of the pins 24, or the ends of the pushers 18.
  • the number of pushers and associated axial pins may be different, in particular depending on the section of the rotor and the bit.
  • the axial pushers 18 comprise each a recess 19 in which a finger 20 is engaged for actuation pushers.
  • the pushers and the fingers are made in one piece with a shoulder on each pusher axial lateral projection, cooperating with a corresponding axial recess 19 of the key.
  • the cylinder according to the invention in addition to the classic combination of co-operating pins and pushers with the longitudinal cut of the key edge, an additional combination formed by the pushers 18 of the outer rotor actuated by recesses axial 21 formed at the end of the key, the depths of which can be variable to form a coded combination, said pushers 18, when are pushed back by the axial pins 24 of the inner rotor 3 not being engaged with the bit 13, so that the outer rotor 2 is disengaged by audit bit report 13.
  • bit 13 can not be effectively rotated that on condition of also finding the code formed by the pushers 18 and the axial recesses 21 of the corresponding key, failing which, the outer rotor 2, will be separated in rotation relative to the bit 13, and can not cause it.
  • the veil 26a of the bit 13 can advantageously have different thicknesses opposite the different pins 24a, 24b of the inner cylinder 3, the shouldered ends 25a, 25b of these pins then also having different lengths adapted to the corresponding thicknesses of the web.
  • the depth of the axial recesses 21 of the key and the position corresponding axial of the projection formed by each lateral finger 20 or by the shoulder with which each pusher 18 is provided can be variable. We this increases the number of possible coding combinations.
  • the axial pushers 18 mounted displaceable in the rotor exterior 2 are made of steel hard enough to form obstacles not negligible when drilling the outer rotor, making break-in even more difficult of such a cylinder.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The lock is operated by a rotary bit (13) which is engaged with an outer rotor (2) and disengaged by an inner one (3) when a key (10) is inserted by means of connectors (18,20,24,25). The lock comprises a stator (1) with an outer rotor mounted inside it, an inner rotor and a rotary bit which engages with or disengages from the rotors. The bit is engaged with the inner rotor and disengaged from the outer one in the absence of a key. It engages with the outer rotor and disengages from the inner one when a key is inserted by means of coded connectors (18,20,24,25). At least one of the connectors is in the form of an axial pin (24) with a return spring (28), actuated by a pusher (18) and lateral pin (20).

Description

La présente invention est relative aux cylindres de serrures et se rapporte plus particulièrement à l'amélioration de la sécurité de tels cylindres vis à vis des effractions par perçage et palpage.The present invention relates to lock cylinders and relates to more particularly to improving the safety of such cylinders with respect to screw break-ins by drilling and probing.

L'ouverture non autorisée de serrures équipées de cylindres notamment de cylindres à clé plate est généralement réalisée à l'issue d'opérations de perçage du rotor extérieur du cylindre ou encore de palpage de la combinaison de poussoirs et goupilles qui normalement sont repoussés et alignés lors de l'introduction de la clé dans le rotor correspondant.Unauthorized opening of locks fitted with cylinders in particular of flat-key cylinders is generally carried out after drilling the outer rotor of the cylinder or even probing the suit pushers and pins which are normally pushed back and aligned during insertion of the key in the corresponding rotor.

Les cylindres classiques présentent donc deux points de fragilité auxquels il est difficile de remédier à moins d'avoir recours à des dispositifs de sécurité extérieurs, tels que pastilles tournantes en métal ou alliage dur de protection du rotor extérieur du cylindre qui sont toutefois facilement accessibles et de plus coûteux.Conventional cylinders therefore have two points of weakness at which it is difficult to remedy unless you use safety devices exterior, such as rotating metal or hard alloy protective pads of the outer rotor of the cylinder which are however easily accessible and moreover expensive.

Lorsque la combinaison du cylindre est neutralisée par palpage, il y a rotation du rotor extérieur qui normalement entraíne le panneton.When the cylinder combination is neutralized by probing, there is rotation of the outer rotor which normally drives the bit.

Quant au perçage, il donne aisément accès à l'embrayeur et aboutit ainsi au même résultat.As for the drilling, it gives easy access to the clutch and ends thus to the same result.

L'invention vise à dresser des obstacles au perçage et au palpage d'un cylindre de serrure qui, sans empêcher leur réalisation assurent un ralentissement de leur exécution.The invention aims to erect obstacles to drilling and probing a lock cylinder which, without preventing their realization, ensures a deceleration of their execution.

Elle a donc pour objet un cylindre de serrure comprenant un stator, un rotor extérieur et un rotor intérieur montés dans le stator, un panneton interposé entre le rotor extérieur et le rotor intérieur et des moyens d'embrayage du panneton avec le rotor extérieur ou le rotor intérieur lors de l'introduction d'une clé dans le rotor correspondant, lesdits moyens d'embrayage comportant des moyens de solidarisation en rotation du panneton avec le rotor intérieur et de désolidarisation en rotation du panneton vis à vis du rotor extérieur en l'absence de clé dans le rotor extérieur et de solidarisation en rotation du panneton avec le rotor extérieur et de libération du panneton par rapport au rotor intérieur, lors de l'introduction de la clé dans le rotor extérieur, caractérisé en ce que lesdits moyens de solidarisation et de désolidarisation sont des moyens codés, actionnables par la clé.It therefore relates to a lock cylinder comprising a stator, a outer rotor and an inner rotor mounted in the stator, an interposed bit between the outer rotor and the inner rotor and means for engaging the bit with the outer rotor or the inner rotor when inserting a key in the corresponding rotor, said clutch means comprising means for securing the bit in rotation with the inner rotor and for disconnection in rotation of the bit with respect to the external rotor in the absence of key in the outer rotor and of fastening in rotation of the bit with the outer rotor and release of the bit relative to the inner rotor, when the introduction of the key into the outer rotor, characterized in that said securing and detaching means are coded, actuable means by the key.

Suivant des caractéristiques particulières de l'invention, lesdits moyens d'embrayage comportent au moins une goupille axiale de solidarisation en rotation du panneton avec le rotor intérieur du cylindre, ladite au moins une goupille axiale étant montée déplaçable axialement dans le rotor intérieur et son extrémité étant engagée sous l'action d'un organe élastique de rappel dans un trou ménagé dans le panneton et au moins un poussoir axial de solidarisation du panneton avec le rotor extérieur et de désolidarisation du panneton par rapport au rotor intérieur, monté dans le rotor extérieur et actionnable par l'introduction de la clé dans le rotor extérieur pour repousser la goupille axiale du rotor intérieur à l'encontre de l'organe élastique hors du trou du panneton et se substituer à elle dans celui-ci pour solidariser le panneton avec le rotor extérieur.According to particular features of the invention, said clutch means comprise at least one axial locking pin in rotation of the bit with the inner rotor of the cylinder, said at least one axial pin being mounted axially displaceable in the inner rotor and its end being engaged under the action of an elastic return member in a hole in the bit and at least one axial pusher for securing the bit with the outer rotor and separation of the bit from to the inner rotor, mounted in the outer rotor and actuated by the introduction of the key in the outer rotor to push back the axial pin of the inner rotor against the elastic member out of the bit hole and substitute for it in it to secure the bit with the outer rotor.

L'invention a également pour objet une clé pour cylindre de serrure du type défini ci-dessus, caractérisée en ce qu'elle comporte des moyens destinés à coopérer avec les moyens codés de solidarisation en rotation du panneton avec le rotor extérieur et de libération du panneton par rapport au rotor intérieur lors de l'introduction de la clé dans le rotor extérieur.The subject of the invention is also a key for a lock cylinder of the type defined above, characterized in that it comprises means intended for cooperate with the coded means for securing the bit in rotation with the outer rotor and of the bit release relative to the inner rotor during inserting the key into the outer rotor.

Suivant une caractéristique particulière, la clé comporte au moins un évidement axial ménagé dans l'extrémité de sa tige, ledit évidement axial étant destiné à coopérer par son fond avec un poussoir correspondant monté dans le rotor extérieur pour déplacer axialement ledit poussoir lors de l'introduction de la clé dans ledit rotor extérieur.According to a particular characteristic, the key comprises at least one axial recess formed in the end of its rod, said axial recess being intended to cooperate by its bottom with a corresponding pusher mounted in the external rotor for axially displacing said pusher during the introduction of the key in said outer rotor.

L'invention sera mieux comprise à l'aide de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés, sur lesquels :

  • la Fig. 1 est une vue en perspective éclatée et en coupe d'un cylindre à clé plate suivant l'invention;
  • la Fig.2 est une vue partielle en coupe à plus grande échelle des rotors et du panneton du cylindre de la figure 1 en l'absence de clé dans le rotor extérieur;
  • la Fig.3 est une vue partielle en coupe analogue à celle de la figure 2, des rotors du panneton du cylindre suivant l'invention, en présence d'une clé dans le rotor extérieur; et
  • la Fig.4 est une vue partielle en coupe montrant une variante de l'agencement des figures 2 et 3.
The invention will be better understood with the aid of the description which follows, given solely by way of example and made with reference to the appended drawings, in which:
  • Fig. 1 is an exploded perspective view in section of a flat key cylinder according to the invention;
  • Fig.2 is a partial sectional view on a larger scale of the rotors and the bit of the cylinder of Figure 1 in the absence of a key in the outer rotor;
  • Fig.3 is a partial sectional view similar to that of Figure 2, the rotors of the bit of the cylinder according to the invention, in the presence of a key in the outer rotor; and
  • Fig.4 is a partial sectional view showing a variant of the arrangement of Figures 2 and 3.

Le cylindre représenté à la figure 1 comporte un corps 1 par exemple en laiton, dans lequel sont montés à rotation un premier rotor 2 que l'on considérera comme le rotor extérieur du cylindre et destiné à être monté à l'extérieur d'une porte équipée d'un tel cylindre et un second rotor 3 qui sera considéré comme le rotor intérieur.The cylinder shown in Figure 1 has a body 1 for example made of brass, in which a first rotor 2 is rotatably mounted which will be considered like the outside rotor of the cylinder and intended to be mounted outside a door fitted with such a cylinder and a second rotor 3 which will be considered like the inner rotor.

En regard des emplacements pour les rotors extérieur et intérieur 2 et 3, le corps 1 comporte une série de canaux parallèles 4 pour des ensembles de goupilles 5, poussoirs 6, ressorts 7 et bouchons d'obturation 8 qui définissent de manière classique la combinaison correspondant à la découpe 9 prévue sur la tranche correspondante de la tige 10 de la clé 11 d'actionnement dudit cylindre.Next to the locations for the exterior and interior rotors 2 and 3, the body 1 comprises a series of parallel channels 4 for sets of pins 5, pushers 6, springs 7 and plugs 8 which define in a conventional manner, the combination corresponding to the cutout 9 provided on the corresponding edge of the rod 10 of the key 11 for actuating said cylinder.

Entre les deux rotors 2 et 3, le stator 1 comporte une échancrure 12 dans laquelle est engagé un panneton 13.Between the two rotors 2 and 3, the stator 1 has a notch 12 in which a bit 13 is engaged.

Des circlips 14 sont destinés à assurer l'immobilisation axiale des rotors 2 et 3 par rapport au stator 1, par engagement dans des gorges correspondantes 15 desdits rotors et par butée contre les parois intérieures de l'échancrure 12 comme représenté en particulier aux figures 2 et 3.Circlips 14 are intended to ensure the axial immobilization of the rotors 2 and 3 with respect to stator 1, by engagement in corresponding grooves 15 of said rotors and by abutment against the interior walls of the notch 12 as shown in particular in FIGS. 2 and 3.

Dans le rotor extérieur 2 sont ménagés des canaux axiaux 16, tandis que dans le panneton 13 sont ménagés les trous correspondants 17 dont le rôle va être expliqué en détail en référence aux figures 2 et 3.In the outer rotor 2 are formed axial channels 16, while that in the bit 13 are provided the corresponding holes 17 whose role will be explained in detail with reference to Figures 2 and 3.

Sur la figure 2, on a représenté en coupe transversale, le cylindre de la figure 1 dont les divers éléments occupent les positions déterminées par l'absence d'une clé introduite dans le rotor extérieur 2.In Figure 2, there is shown in cross section, the cylinder of Figure 1 whose various elements occupy the positions determined by the absence a key inserted into the outer rotor 2.

Dans les canaux axiaux 16 ménagés dans le rotor extérieur 2, de part et d'autre du passage de clé 2a de ce rotor, sont disposés des poussoirs axiaux 18 dans chacun desquels est ménagé un évidement latéral axial 19.In the axial channels 16 formed in the outer rotor 2, on the one hand and on the other side of the key passage 2a of this rotor, are arranged axial pushers 18 in each of which is provided an axial lateral recess 19.

Dans chaque évidement 19, est engagé un doigt latéral 20 faisant saillie dans le passage de clé 2a pour coopérer avec le fond d'un évidement axial correspondant 21 ménagé dans la face correspondante de l'extrémité de la tige 10 de la clé 11 pour déplacer axialement le poussoir 18 correspondant.In each recess 19, a lateral finger 20 is engaged making projection in the key passage 2a to cooperate with the bottom of an axial recess corresponding 21 formed in the corresponding face of the end of the rod 10 of the key 11 for axially moving the corresponding pusher 18.

Dans le rotor intérieur 3 sont ménagés de part et d'autre du passage de clé 3a des passages axiaux 23 dont les axes sont alignés avec les axes des canaux axiaux 16 du rotor extérieur 2 et dans lesquels sont montées des goupilles 24 comportant des extrémités épaulées 25 de diamètre correspondant au diamètre des trous 17 ménagés dans le panneton 13 dans lequel sont engagées les extrémités correspondantes des rotors extérieur 2 et intérieur 3. In the inner rotor 3 are formed on either side of the passage key 3a of the axial passages 23 whose axes are aligned with the axes of the axial channels 16 of the outer rotor 2 and in which pins are mounted 24 having shoulder ends 25 of diameter corresponding to the diameter of the holes 17 made in the bit 13 in which are engaged the corresponding ends of the exterior 2 and interior 3 rotors.

La longueur des extrémités épaulées 25 des goupilles 24 est égale à l'épaisseur du voile 26 du panneton 13 dans lequel sont ménagés les trous 17.The length of the shouldered ends 25 of the pins 24 is equal to the thickness of the web 26 of the bit 13 in which the holes 17 are formed.

Entre les goupilles 24 et les fonds des passages axiaux 23 du rotor intérieur 3, sont interposés des ressorts 28 d'application des goupilles 24 contre le voile 26 du panneton 13.Between the pins 24 and the bottoms of the axial passages 23 of the rotor interior 3, are interposed springs 28 applying pins 24 against the web 26 of the bit 13.

Les extrémités épaulées 25 des goupilles axiales 24, ont une section correspondante à celle des poussoirs 18 montés déplaçables dans le rotor extérieur 2.The shoulder ends 25 of the axial pins 24 have a section corresponding to that of the pushers 18 mounted movable in the outer rotor 2.

On voit donc sur la figure 2, qu'en l'absence de clé dans le rotor extérieur 2, les goupilles axiales 24 sollicitées par les ressorts 28, sont appliquées contre le voile 26 du panneton 13 et leurs extrémités épaulées 25 sont engagées dans les trous 17 de ce panneton et repoussent les poussoirs 18 du rotor extérieur 2 dans une position dans laquelle leurs extrémités voisines du panneton affleurent la surface correspondante du voile 26 de celui-ci, de sorte que le rotor extérieur 2 se trouve en position débrayée par rapport au panneton 13.It is therefore seen in Figure 2, that in the absence of a key in the outer rotor 2, the axial pins 24 biased by the springs 28 are applied against the web 26 of the bit 13 and their shoulder ends 25 are engaged in the holes 17 of this bit and push the pushers 18 of the outer rotor 2 in a position in which their ends close to the bit are flush with the corresponding surface of the web 26 thereof, so that the rotor outer 2 is in the disengaged position relative to the bit 13.

L'introduction de la clé 10 dans le rotor extérieur 2, provoque comme représenté à la figure 3, le déplacement axial des poussoirs 18 en direction du panneton 13, sous l'action des évidements 21 ménagés à l'extrémité de la clé 10, qui coopèrent avec les doigts 20 d'actionnement des poussoirs 18.The introduction of the key 10 into the outer rotor 2, causes as shown in Figure 3, the axial movement of the pushers 18 towards the bit 13, under the action of the recesses 21 formed at the end of the key 10, which cooperate with the fingers 20 for actuating the pushers 18.

Les extrémités des poussoirs 18 en pénétrant dans les trous 17 ménagés dans le voile 26 du panneton 13, repoussent les extrémités épaulées 25 des goupilles axiales 24 du rotor intérieur 3, à l'encontre de l'action des ressorts 28 pour amener lesdites extrémités épaulées 25 à affleurer la surface correspondante du voile 26 du panneton 13 et libérer ainsi le rotor intérieur 3 par rapport à celui-ci.The ends of the pushers 18 by entering the holes 17 provided in the web 26 of the bit 13, push back the shouldered ends 25 axial pins 24 of the inner rotor 3, against the action of the springs 28 to cause said shoulder ends 25 to be flush with the corresponding surface of the web 26 of the bit 13 and thus release the inner rotor 3 relative to to this one.

Simultanément, cette action provoque la solidarisation en rotation du rotor extérieur 2 avec le panneton 13.Simultaneously, this action causes the rotation to join outer rotor 2 with bit 13.

Dans l'exemple qui vient d'être décrit, le rotor extérieur 2 comporte deux poussoirs 18 associés à deux goupilles axiales 24 montées dans le rotor intérieur 3 ainsi que deux trous 17 ménagés dans le panneton 13 et destinés à recevoir soit les extrémités 25 des goupilles 24, soit les extrémités des poussoirs 18.In the example which has just been described, the outer rotor 2 comprises two pushers 18 associated with two axial pins 24 mounted in the rotor interior 3 as well as two holes 17 formed in the bit 13 and intended for receive either the ends 25 of the pins 24, or the ends of the pushers 18.

Bien entendu, le nombre de poussoirs et de goupilles axiales associés peut être différent, notamment en fonction de la section du rotor et du panneton. Of course, the number of pushers and associated axial pins may be different, in particular depending on the section of the rotor and the bit.

En outre, dans l'exemple décrit, les poussoirs axiaux 18 comportent chacun un évidement 19 dans lequel est engagé un doigt 20 pour l'actionnement des poussoirs.Furthermore, in the example described, the axial pushers 18 comprise each a recess 19 in which a finger 20 is engaged for actuation pushers.

Selon une variante non représentée, les poussoirs et les doigts sont réalisés en une seule pièce en prévoyant sur chaque poussoir un épaulement latéral axial faisant saillie, coopérant avec un évidement axial 19 correspondant de la clé.According to a variant not shown, the pushers and the fingers are made in one piece with a shoulder on each pusher axial lateral projection, cooperating with a corresponding axial recess 19 of the key.

Grâce à l'agencement qui vient d'être décrit, le cylindre suivant l'invention comporte outre la combinaison classique des goupilles et poussoirs coopérant avec la découpe longitudinale de la tranche de la clé, une combinaison supplémentaire formée par les poussoirs 18 du rotor extérieur actionnés par des évidements axiaux 21 ménagés à l'extrémité de la clé dont les profondeurs peuvent être variables pour former une combinaison codée, lesdits poussoirs 18, lorsqu'ils sont repoussés par les goupilles axiales 24 du rotor intérieur 3 n'étant pas en prise avec le panneton 13, de sorte que le rotor extérieur 2 est débrayé par rapport audit panneton 13.Thanks to the arrangement which has just been described, the cylinder according to the invention in addition to the classic combination of co-operating pins and pushers with the longitudinal cut of the key edge, an additional combination formed by the pushers 18 of the outer rotor actuated by recesses axial 21 formed at the end of the key, the depths of which can be variable to form a coded combination, said pushers 18, when are pushed back by the axial pins 24 of the inner rotor 3 not being engaged with the bit 13, so that the outer rotor 2 is disengaged by audit bit report 13.

Ainsi, même si par palpage, on parvient à déterminer la combinaison classique de la clé, le panneton 13 ne pourra être effectivement entraíné en rotation qu'à condition de trouver également le code formé par les poussoirs 18 et les évidements axiaux 21 de la clé correspondante, faute de quoi, le rotor extérieur 2, sera désolidarisé en rotation par rapport au panneton 13, et ne pourra l'entraíner.Thus, even if by probing, we manage to determine the combination classic key, bit 13 can not be effectively rotated that on condition of also finding the code formed by the pushers 18 and the axial recesses 21 of the corresponding key, failing which, the outer rotor 2, will be separated in rotation relative to the bit 13, and can not cause it.

On notera comme représenté à la figure 4, que le voile 26a du panneton 13 peut avantageusement présenter différentes épaisseurs en regard des différentes goupilles 24a,24b du cylindre intérieur 3, les extrémités épaulées 25a,25b de ces goupilles ayant alors elles aussi des longueurs différentes adaptées aux épaisseurs correspondantes du voile.It will be noted as shown in Figure 4, that the veil 26a of the bit 13 can advantageously have different thicknesses opposite the different pins 24a, 24b of the inner cylinder 3, the shouldered ends 25a, 25b of these pins then also having different lengths adapted to the corresponding thicknesses of the web.

De même, la profondeur des évidements axiaux 21 de la clé et la position axiale correspondante de la saillie formée par chaque doigt latéral 20 ou par l'épaulement dont est muni chaque poussoir 18, peuvent être variables. On augmente ainsi le nombre de combinaisons de codage possibles.Similarly, the depth of the axial recesses 21 of the key and the position corresponding axial of the projection formed by each lateral finger 20 or by the shoulder with which each pusher 18 is provided, can be variable. We this increases the number of possible coding combinations.

Par ailleurs, les poussoirs axiaux 18 montés déplaçables dans le rotor extérieur 2, sont réalisés en acier suffisamment dur pour constituer des obstacles non négligeables au perçage du rotor extérieur, rendant encore plus difficile l'effraction d'un tel cylindre.Furthermore, the axial pushers 18 mounted displaceable in the rotor exterior 2, are made of steel hard enough to form obstacles not negligible when drilling the outer rotor, making break-in even more difficult of such a cylinder.

Enfin, seule une clé spéciale comportant des évidements ménagés à l'extrémité de sa tige et coopérant avec les poussoirs du rotor extérieur peut être utilisée pour assurer l'actionnement du cylindre suivant l'invention.Finally, only a special key comprising recesses made in the end of its rod and cooperating with the pushers of the outer rotor can be used to actuate the cylinder according to the invention.

Claims (9)

Cylindre de serrure comprenant un stator (1), un rotor extérieur (2) et un rotor intérieur (3) montés dans le stator, un panneton (13) interposé entre le rotor extérieur (2) et le rotor intérieur (3) et des moyens d'embrayage du panneton (13) avec le rotor extérieur (2) ou le rotor intérieur (3) lors de l'introduction d'une clé dans le rotor correspondant, lesdits moyens d'embrayage comportant des moyens de solidarisation en rotation du panneton (13) avec le rotor intérieur (3) et de désolidarisation en rotation du panneton vis à vis du rotor extérieur (2) en l'absence de clé dans le rotor extérieur (2) et de solidarisation en rotation du panneton (13) avec le rotor extérieur (2) et de libération du panneton par rapport au rotor intérieur (3), lors de l'introduction de la clé (11) dans le rotor extérieur (2), caractérisé en ce que lesdits moyens de solidarisation et de désolidarisation sont des moyens codés (18,20,24,25;18,20,24a, 25a,24b,25b), actionnables par la clé (11).Lock cylinder comprising a stator (1), an external rotor (2) and an inner rotor (3) mounted in the stator, a bit (13) interposed between the outer rotor (2) and the inner rotor (3) and means for engaging the bit (13) with the outer rotor (2) or the inner rotor (3) during insertion a key in the corresponding rotor, said clutch means comprising means for securing the bit (13) in rotation with the inner rotor (3) and for decoupling in rotation of the bit with respect to the external rotor (2) in the absence of a key in the outer rotor (2) and of the rotational attachment of the bit (13) with the outer rotor (2) and release of the bit relative to the inner rotor (3), when the key (11) is inserted into the outer rotor (2), characterized in that said means for securing and decoupling are coded means (18,20,24,25; 18,20,24a, 25a, 24b, 25b), actuable by the key (11). Cylindre de serrure suivant la revendication 1, caractérisé en ce que lesdits moyens d'embrayage comportent au moins une goupille axiale (24,25; 24a,25a,24a,24b) de solidarisation en rotation du panneton (13) avec le rotor intérieur (3) du cylindre, ladite au moins une goupille axiale (24,25;24a,25a,24b, 25b) étant montée déplaçable axialement dans le rotor intérieur (3) et comportant une extrémité épaulée (25,25a,25b) engagée sous l'action d'un organe élastique de rappel (28) dans un trou (17) ménagé dans le panneton (13) et permettant de maintenir hors du panneton, un poussoir axial (18) correspondant de solidarisation du panneton (13) avec le rotor extérieur (2) et de désolidarisation du panneton par rapport au rotor intérieur (3), monté dans le rotor extérieur (2) et actionnable par l'introduction de la clé (11) dans le rotor extérieur (3) pour repousser la goupille axiale (24,25; 24a,25a,24b,25b) du rotor intérieur (3) à l'encontre de l'organe élastique (28) hors du trou (17) du panneton (13) et se substituer à elle dans celui-ci pour solidariser le panneton (13) avec le rotor extérieur (2).Lock cylinder according to claim 1, characterized in that said clutch means comprise at least one axial pin (24.25; 24a, 25a, 24a, 24b) for securing the bit (13) in rotation with the rotor inside (3) of the cylinder, said at least one axial pin (24,25; 24a, 25a, 24b, 25b) being mounted axially displaceable in the inner rotor (3) and comprising a shoulder end (25,25a, 25b) engaged under the action of an elastic member return (28) in a hole (17) formed in the bit (13) and allowing keep out of the bit, a corresponding axial pusher (18) for securing bit (13) with the outer rotor (2) and disconnection of the bit relative to the inner rotor (3), mounted in the outer rotor (2) and actuable by inserting the key (11) into the outer rotor (3) to push the axial pin (24,25; 24a, 25a, 24b, 25b) of the inner rotor (3) against the member elastic (28) out of the hole (17) of the bit (13) and replace it in it to secure the bit (13) with the outer rotor (2). Cylindre de serrure suivant la revendication 2, caractérisé en ce que chaque poussoir (18) monté dans le rotor extérieur (2) comporte un évidement axial (19) dans lequel est monté un doigt latéral (20) destiné à coopérer avec le fond d'un creux axial correspondant (21) ménagé dans l'extrémité de la tige (10) de la clé (11) pour déplacer axialement le poussoir (18) correspondant. Lock cylinder according to claim 2, characterized in that each pusher (18) mounted in the outer rotor (2) has a recess axial (19) in which is mounted a lateral finger (20) intended to cooperate with the bottom of a corresponding axial recess (21) formed in the end of the rod (10) of the key (11) to move the corresponding pusher (18) axially. Cylindre de serrure suivant la revendication 3, caractérisé en ce que le rotor extérieur (2) comporte au moins un poussoir disposé de chaque côté du passage (2a) pour la tige de clé (10), son doigt latéral (20) faisant saillie dans ledit passage (2a) afin de pouvoir venir en contact avec le fond de l'évidement (21) correspondant ménagé dans l'extrémité de la tige (10) de la clé (11).Lock cylinder according to claim 3, characterized in that the outer rotor (2) comprises at least one pusher disposed on each side of the passage (2a) for the key rod (10), its lateral finger (20) projecting in said passage (2a) in order to be able to come into contact with the bottom of the recess (21) corresponding formed in the end of the rod (10) of the key (11). Cylindre de serrure suivant la revendication 2, caractérisé en ce que chaque poussoir (18) monté dans le rotor extérieur (2) comporte un épaulement en saillie formant doigt latéral destiné à coopérer avec le fond d'un creux latéral axial correspondant (21) ménagé dans l'extrémité de la tige (10) de la clé (11) pour déplacer axialement le poussoir (18) correspondant.Lock cylinder according to claim 2, characterized in that each pusher (18) mounted in the outer rotor (2) has a shoulder protruding lateral finger intended to cooperate with the bottom of a lateral hollow corresponding axial (21) formed in the end of the rod (10) of the key (11) for axially moving the corresponding pusher (18). Cylindre de serrure selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le panneton (13) présente différentes épaisseurs en regard des différentes goupilles (24a,24b) dont les extrémités épaulées (25a,25b) ont elles aussi des longueurs différentes adaptées aux épaisseurs correspondantes du panneton.Lock cylinder according to any one of claims 2 to 5, characterized in that the bit (13) has different thicknesses facing each other different pins (24a, 24b) including the shouldered ends (25a, 25b) also have different lengths adapted to the corresponding thicknesses bit. Clé pour cylindre de serrure suivant l'une des revendications 1 à 6, caractérisée en ce qu'elle comporte des moyens (21) destinés à coopérer avec les moyens codés (18,20,24,25; 18,20,24a,25a,24b,25b) de solidarisation en rotation du panneton (13) avec le rotor extérieur (2) et de libération du panneton par rapport au rotor intérieur (3) lors de l'introduction de la clé (11) dans le rotor extérieur.Lock cylinder key according to one of Claims 1 to 6, characterized in that it comprises means (21) intended to cooperate with the coded means (18,20,24,25; 18,20,24a, 25a, 24b, 25b) for securing in rotation of the bit (13) with the outer rotor (2) and release of the bit relative to the inner rotor (3) when the key (11) is inserted into the rotor outside. Clé suivant la revendication 7, caractérisée en ce qu'elle comporte au moins un évidement axial (21) ménagé dans l'extrémité de sa tige (10), ledit évidement axial (21) étant destiné à coopérer par son fond avec un poussoir (18,20) correspondant monté dans le rotor extérieur (2) pour déplacer axialement ledit poussoir lors de l'introduction de la clé dans ledit rotor extérieur (2).Key according to claim 7, characterized in that it comprises at least one axial recess (21) formed in the end of its rod (10), said axial recess (21) being intended to cooperate by its bottom with a pusher (18,20) corresponding mounted in the outer rotor (2) to move axially said pusher during the introduction of the key into said outer rotor (2). Clé suivant la revendication 8, caractérisée en ce qu'elle comporte au moins un évidement axial (21) ménagé dans chacune des faces de sa tige (10) et destiné à coopérer avec un poussoir (18,20) correspondant, disposé dans le rotor extérieur du côté correspondant du passage de clé (2a) dudit rotor extérieur.Key according to claim 8, characterized in that it comprises at least one axial recess (21) formed in each of the faces of its rod (10) and intended to cooperate with a corresponding pusher (18,20), arranged in the outer rotor on the corresponding side of the key passage (2a) of said outer rotor.
EP19980402057 1997-09-12 1998-08-13 Lock cylinder and key for such a lock cylinder Expired - Lifetime EP0902138B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711403A FR2768454B1 (en) 1997-09-12 1997-09-12 LOCK CYLINDER AND KEY FOR SUCH A CYLINDER
FR9711403 1997-09-12

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EP0902138A1 true EP0902138A1 (en) 1999-03-17
EP0902138B1 EP0902138B1 (en) 2004-02-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803323A1 (en) * 1999-12-30 2001-07-06 Fontaine Sa DOUBLE INPUT CYLINDER WITH EMERGENCY OPENING
DE102007000203A1 (en) * 2007-04-04 2008-10-09 Aug. Winkhaus Gmbh & Co. Kg lock cylinder
EP2644809A1 (en) 2012-03-28 2013-10-02 Assa Abloy Aube Anjou Secure cylinder with shifters, and corresponding key

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478784C (en) * 1929-07-02 Zeiss Ikon A G Goerz Werk Cylinder lock
FR2240995A1 (en) * 1973-08-17 1975-03-14 Zeiss Ikon Ag Door knob lock coupling - HAS TWO BEVELLED PINS SLIDING IN LOCK HOUSING AND IS SPRING BIASSED
CH636400A5 (en) * 1978-01-05 1983-05-31 Grundmann Gmbh Geb Rotary cylinder lock with radial spring-loaded tumbler pins and with axially displaceable sliding pins
AT371534B (en) * 1979-06-08 1983-07-11 Grundmann Gmbh Geb DOUBLE CYLINDER LOCK
DE8702759U1 (en) * 1986-03-19 1987-07-09 EVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern Gesellschaft m.b.H. & Co. KG, Wien Double cylinder lock
CH674873A5 (en) * 1985-06-20 1990-07-31 Bernhard Faude Lock with two coaxial cylinders - has spherical recess in cylinder(s) front face, extending up to outer locking pin
WO1997011244A1 (en) * 1995-09-18 1997-03-27 Brandt Greg N Cylinder lock and key

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478784C (en) * 1929-07-02 Zeiss Ikon A G Goerz Werk Cylinder lock
FR2240995A1 (en) * 1973-08-17 1975-03-14 Zeiss Ikon Ag Door knob lock coupling - HAS TWO BEVELLED PINS SLIDING IN LOCK HOUSING AND IS SPRING BIASSED
CH636400A5 (en) * 1978-01-05 1983-05-31 Grundmann Gmbh Geb Rotary cylinder lock with radial spring-loaded tumbler pins and with axially displaceable sliding pins
AT371534B (en) * 1979-06-08 1983-07-11 Grundmann Gmbh Geb DOUBLE CYLINDER LOCK
CH674873A5 (en) * 1985-06-20 1990-07-31 Bernhard Faude Lock with two coaxial cylinders - has spherical recess in cylinder(s) front face, extending up to outer locking pin
DE8702759U1 (en) * 1986-03-19 1987-07-09 EVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern Gesellschaft m.b.H. & Co. KG, Wien Double cylinder lock
WO1997011244A1 (en) * 1995-09-18 1997-03-27 Brandt Greg N Cylinder lock and key

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803323A1 (en) * 1999-12-30 2001-07-06 Fontaine Sa DOUBLE INPUT CYLINDER WITH EMERGENCY OPENING
WO2001049960A1 (en) * 1999-12-30 2001-07-12 Fontaine Sa Double escutcheon plate with emergency opening
DE102007000203A1 (en) * 2007-04-04 2008-10-09 Aug. Winkhaus Gmbh & Co. Kg lock cylinder
EP2644809A1 (en) 2012-03-28 2013-10-02 Assa Abloy Aube Anjou Secure cylinder with shifters, and corresponding key
FR2988760A1 (en) * 2012-03-28 2013-10-04 Assa Abloy Aube Anjou SECURITY CYLINDER WITH EMBRAYERS AND CORRESPONDING KEY

Also Published As

Publication number Publication date
FR2768454B1 (en) 1999-12-03
FR2768454A1 (en) 1999-03-19
EP0902138B1 (en) 2004-02-11

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