EP2644809B1 - Secure cylinder with shifters, and corresponding key - Google Patents

Secure cylinder with shifters, and corresponding key Download PDF

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Publication number
EP2644809B1
EP2644809B1 EP20130155961 EP13155961A EP2644809B1 EP 2644809 B1 EP2644809 B1 EP 2644809B1 EP 20130155961 EP20130155961 EP 20130155961 EP 13155961 A EP13155961 A EP 13155961A EP 2644809 B1 EP2644809 B1 EP 2644809B1
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EP
European Patent Office
Prior art keywords
key
stopper
bit
indentation
passage
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.)
Not-in-force
Application number
EP20130155961
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German (de)
French (fr)
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EP2644809A1 (en
Inventor
Hervé JULIEN
Hervé Robin
Willy Mutter
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
Original Assignee
Assa Abloy Aube Anjou SAS
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Publication date
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Publication of EP2644809A1 publication Critical patent/EP2644809A1/en
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Publication of EP2644809B1 publication Critical patent/EP2644809B1/en
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Classifications

    • 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
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type

Definitions

  • the invention relates to a safety cylinder with clutches, and a corresponding key.
  • the cylinder comprises a stator, an inner rotor, an outer rotor and a bit.
  • the bit has two orifices.
  • two pins urged by springs protrude into the holes of the blade and secure it to the inner rotor.
  • a driver consisting of two bit clutches.
  • the bit clutches are pushed out of the holes of the blade by the pins of the inner rotor.
  • the bit clutches are each secured to a pusher adapted to cooperate with a machining of the key. When the key is inserted into the outer rotor, the machining of the key comes into contact with the pushers.
  • the push of the key moves the pushers and bit clutches so that the bit clutches push the pins of the inner rotor by compressing their springs.
  • the bit clutches occupy the orifices of the bit and the pins are outside the blade in the inner rotor.
  • the trainer consisting of two bit clutches, secures in rotation the outer rotor and the bit. The rotation of the outer rotor under the action of the key then causes the rotation of the blade.
  • An object of the invention is to provide a clutch cylinder providing an additional safety function.
  • Another object of the invention is to provide a clutch cylinder allowing several possibilities of security control.
  • the subject of the invention is a safety cylinder with clutches in which the outer rotor comprises a key passage and on either side of the keyway two cylindrical housings each adapted to receive a bit clutch, the two bit clutches. together forming a trainer adapted to secure the bit to the outer rotor under the action of the key, each of the bit clutches carrying a push able to cooperate with a machining of the key, characterized in that the outer rotor comprises a blocker arranged, across the key passage, in a notch transverse to the key passage, which, in the low position, prevents the driver from securing the bit to the outer rotor, and which is adapted to be held in the upper position by a notch lifting the blocker present on the top of the key.
  • the notch extends symmetrically on either side of the key passage, and has a flat bottom parallel to the longitudinal axis of the rotor and perpendicular to the mean plane of the key passage.
  • the blocker has an arch shape, with two lateral parts, having a flat base able to rest, in the lower position of the blocker, on the flat bottom of the notch, joined by a cross member and separated by a recess. .
  • the recess has a width substantially equal to that of the key passage and has at its upper part a boss transverse to the key passage, adapted to be lifted by the notch of the key.
  • the boss is bordered by two inclined ramps and the notch of the key is bordered by two inclined ramps adapted to cooperate with the ramps of the boss to ensure the lifting of the blocker.
  • the key has, behind the notch lifting the blocker, a notch holding the blocker in the up position.
  • the flat bases of the lateral parts of the blocker each comprise a recess having a front face of the locking of the driver.
  • all of the two lateral parts and the cross member of the blocker has a cylindrical upper surface corresponding to that of the rotor.
  • the subject of the invention is also a key for a safety cylinder, having a bit driver and comprising a driver blocker arranged across the key passage, characterized in that it comprises on the top and in the vicinity of the tip, a notch lifting the blocker, and laterally machining able to cooperate with the pushers of the coach.
  • the top of the key comprises a notch holding the blocker in the up position.
  • the clutch safety cylinder has the same structure as that described in the patent EP 0902 138 , to which reference is expressly made, and which comprises a stator, an inner rotor, an outer rotor, a bit, sets of pins and springs conventionally defining the combination corresponding to the profile of the actuator key rod of the cylinder .
  • the rotors comprise a key passage and the bit has two holes intended to receive either the two pins biased by spring and housed in the inner rotor, or the two clutches housed in the outer rotor and able to be pushed by the key inserted into the outer rotor. These two clutches are the coach bit.
  • the figure 1 represents only the outer rotor 1 and the key 2 for actuating the cylinder.
  • the outer rotor 1 comprises a key passage 3 and on either side of the key passage 3, two cylindrical housings 4, 5 intended to each receive a bit clutch 6, 7.
  • the two bit clutches together constitute the coach 8 who solidarises the bit at external rotor 1 when the key 2 actuates the cylinder on opening or closing.
  • Each of the two bit clutches 6, 7 carries a pusher, respectively 9, 10 adapted to cooperate with a machining of the key 2 to ensure the displacement of the bit clutches 6, 7 during the introduction of the key 2 in the passage key 3.
  • the cylindrical housings 4, 5 open on the inner end face 11 of the outer rotor 1, opposite the orifices of the bit. In the absence of a key in the outer rotor, the two bit clutches 6, 7 are held in the cylindrical housings 4, 5, and they do not interfere with the rotation of the blade under the action of the inner rotor.
  • a notch 12 adapted to receive a blocker 13 coach.
  • the notch 12 is arranged radially relative to the rotor 1, and transversely to the key passage 3. It extends symmetrically on either side of the key passage 3.
  • the notch 12 has, in the example embodiment described and shown, a flat bottom 14 parallel to the longitudinal axis of the rotor 1 and perpendicular to the mean plane of the key passage 3. It has, on the side of the end face 11 of the rotor 1, a front face 15 , and on the other side a rear face 16, which are perpendicular to the longitudinal axis of the rotor 1.
  • the notch 12 is adapted to receive the blocker 13 coach.
  • the blocker 13 has an arch shape, with two lateral parts 17, 18 separated by a recess 19 and joined by a cross member 20.
  • the assembly of the two lateral parts 17, 18 and the cross member 20 has a corresponding cylindrical upper surface. to that of the rotor 1.
  • the blocker 13 has a front face 21 adapted to slide against the front face 15 of the notch 12, and a rear face 22 adapted to slide against the rear face 16 of the notch 12.
  • Each of the two side portions 17, 18 of the blocker 13 has a flat base, 23, 24, adapted to rest on the flat bottom 14 of the notch 12, respectively on one side and the other of the key passage 3.
  • the recess 19, placed under the crosspiece 20, in the middle part of the blocker 13, corresponding to the keyway 3, has a width substantially equal to that of the keyway 3.
  • the recess 19 is delimited by two lateral faces 25, 26, parallel to each other and to the mean plane of the key passage 3. It comprises a flat upper face 27, perpendicular to the lateral faces 25, 26 and parallel to the longitudinal axis of the rotor 1.
  • the upper face 27 of the recess 19 carries a boss 28 transverse to the key passage 3, bordered by two inclined ramps 29, 30.
  • the lateral parts 17, 18 of the blocker 13 each comprise in its base 23, 24, a recess 31, 32, respectively, open on the rear face 22 of the blocker 13, and having a front face 33, 34, respectively, locking the driver 8, parallel to the front face 21 of the blocker 13.
  • the pushers 9, 10 are in abutment against the locking faces 33, 34 .
  • the key 2 laterally has machining 35, 36, able to drive the pushers 9, 10 bit clutches 6, 7, that is to say capable of driving the driver 8.
  • the top key has a notch 37 for lifting the blocker 13, then, behind the notch 37 for lifting the blocker, a notch 38 for holding the blocker 13 in the up position.
  • the notch for lifting the blocker 13 is bordered by two inclined ramps 39, 40, able to cooperate with the ramps 29, 30 of the boss 28 of the blocker 13 to ensure the lifting of the blocker 13.
  • the operation of the cylinder is analyzed in relation to the Figures 4a to 4d .
  • the driver is fully housed in the rotor 1, the bit clutches 6 and 7 being in the cylindrical housings 4 and 5, respectively.
  • the blocker 13 is in the low position, across the keyway 3, the flat bases 23 and 24 of its lateral parts 17 and 18 resting on the flat bottom 14 of the notch 12.
  • the locking faces 33 and 34 disposed in the recesses 31 and 32 of the blocker prevent the pushers 9 and 10 from moving towards the bit.
  • the machining 35, 36 are supported on the back of the pushers 9, 10 and move them forward, that is to say towards the bit.
  • the bit clutches 6, 7, which are integral with the pushers 9, 10, move towards the bit by pushing the pins of the inner rotor and compressing their springs.
  • the pushers 9, 10 pass under the bases 23, 24 of the blocker 13 and hold it in the up position ( figure 4c ) even after the notch 37 of the key 2 has passed the blocker boss 28.
  • the blocker 13 prevents the trainer 8 to advance under the action of a key without lifting the blocker, or under the action of a tool.
  • the key has on the one hand a notch lifting the blocker and secondly the drive workouts pushers in the right place.
  • the coding of the cylinder involves several parameters. First, the position of the boss 28 in the recess 19 of the blocker 13, with respect to the front face 21 of the blocker 13, is the distance I ( figure 5 ). Then, the height of the blocking faces 33, 34 which corresponds to the minimum lifting that must undergo the blocker 13 to release the pushers 9, 10 and allow the opening is the height h ( figure 6 ). And there is a constraint to be respected in the lifting of the blocker 13: it is necessary that its cylindrical upper surface does not rise above that of the rotor because then it would hinder or block the rotation by its action on the stator. The dimensions I and h must be on the key point ( figure 7 ) so that the key can ensure the proper operation of the cylinder.

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  • Lock And Its Accessories (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Description

L'invention concerne un cylindre de sécurité à embrayeurs, et une clé correspondante.The invention relates to a safety cylinder with clutches, and a corresponding key.

Un tel cylindre est décrit dans le brevet EP 0902 138 . Le cylindre comporte un stator, un rotor intérieur, un rotor extérieur et un panneton.Such a cylinder is described in the patent EP 0902 138 . The cylinder comprises a stator, an inner rotor, an outer rotor and a bit.

Le panneton présente deux orifices. Dans le rotor intérieur, deux goupilles sollicitées par des ressorts font saillie dans les orifices du panneton et le solidarisent au rotor intérieur. Dans le rotor extérieur, est disposé un entraîneur constitué de deux embrayeurs de panneton. En l'absence de clé dans le rotor extérieur, les embrayeurs de panneton sont repoussés à l'extérieur des orifices du panneton par les goupilles du rotor intérieur. Les embrayeurs de panneton sont solidaires chacun d'un poussoir apte à coopérer avec un usinage de la clé. Lors de l'introduction de la clé dans le rotor extérieur, les usinages de la clé arrivent au contact des poussoirs. La poussée de la clé fait déplacer les poussoirs et les embrayeurs de panneton de sorte que les embrayeurs de panneton repoussent les goupilles du rotor intérieur en comprimant leurs ressorts. En fin de mouvement d'introduction de la clé, les embrayeurs de panneton occupent les orifices du panneton et les goupilles sont à l'extérieur du panneton, dans le rotor intérieur. L'entraîneur, constitué des deux embrayeurs de panneton, assure la solidarisation en rotation du rotor extérieur et du panneton. La rotation du rotor extérieur sous l'action de la clé entraîne alors la rotation du panneton.The bit has two orifices. In the inner rotor, two pins urged by springs protrude into the holes of the blade and secure it to the inner rotor. In the outer rotor is arranged a driver consisting of two bit clutches. In the absence of a key in the outer rotor, the bit clutches are pushed out of the holes of the blade by the pins of the inner rotor. The bit clutches are each secured to a pusher adapted to cooperate with a machining of the key. When the key is inserted into the outer rotor, the machining of the key comes into contact with the pushers. The push of the key moves the pushers and bit clutches so that the bit clutches push the pins of the inner rotor by compressing their springs. At the end of the insertion movement of the key, the bit clutches occupy the orifices of the bit and the pins are outside the blade in the inner rotor. The trainer, consisting of two bit clutches, secures in rotation the outer rotor and the bit. The rotation of the outer rotor under the action of the key then causes the rotation of the blade.

Un but de l'invention est de proposer un cylindre à embrayeurs assurant une fonction de sécurité supplémentaire.An object of the invention is to provide a clutch cylinder providing an additional safety function.

Un autre but de l'invention est de proposer un cylindre à embrayeurs permettant plusieurs possibilités de contrôle de la sécurité.Another object of the invention is to provide a clutch cylinder allowing several possibilities of security control.

L'invention a pour objet un cylindre de sécurité à embrayeurs dans lequel le rotor extérieur comporte un passage de clé et de part et d'autre du passage de clé deux logements cylindriques aptes à recevoir chacun un embrayeur de panneton, les deux embrayeurs de panneton constituant ensemble un entraîneur apte à solidariser le panneton au rotor extérieur sous l'action de la clé, chacun des embrayeurs de panneton portant un poussoir apte à coopérer avec un usinage de la clé, caractérisé en ce que le rotor extérieur comporte un bloqueur disposé, en travers du passage de clé, dans une encoche transversale au passage de clé, qui, en position basse, empêche l'entraîneur de solidariser le panneton au rotor extérieur, et qui est apte à être maintenu en position haute par un cran de levée du bloqueur présent sur le dessus de la clé.The subject of the invention is a safety cylinder with clutches in which the outer rotor comprises a key passage and on either side of the keyway two cylindrical housings each adapted to receive a bit clutch, the two bit clutches. together forming a trainer adapted to secure the bit to the outer rotor under the action of the key, each of the bit clutches carrying a push able to cooperate with a machining of the key, characterized in that the outer rotor comprises a blocker arranged, across the key passage, in a notch transverse to the key passage, which, in the low position, prevents the driver from securing the bit to the outer rotor, and which is adapted to be held in the upper position by a notch lifting the blocker present on the top of the key.

Avantageusement, l'encoche s'étend symétriquement de part et d'autre du passage de clé, et présente un fond plat parallèle à l'axe longitudinal du rotor et perpendiculaire au plan moyen du passage de clé.Advantageously, the notch extends symmetrically on either side of the key passage, and has a flat bottom parallel to the longitudinal axis of the rotor and perpendicular to the mean plane of the key passage.

De manière avantageuse, le bloqueur a une forme d'arche, avec deux parties latérales, présentant une base plane apte à reposer, en position basse du bloqueur, sur le fond plat de l'encoche, réunies par une traverse et séparées par un évidement.Advantageously, the blocker has an arch shape, with two lateral parts, having a flat base able to rest, in the lower position of the blocker, on the flat bottom of the notch, joined by a cross member and separated by a recess. .

Avantageusement, l'évidement a une largeur sensiblement égale à celle du passage de clé et présente à sa partie supérieure un bossage transversal au passage de clé, apte à être levé par le cran de la clé.Advantageously, the recess has a width substantially equal to that of the key passage and has at its upper part a boss transverse to the key passage, adapted to be lifted by the notch of the key.

De manière avantageuse, le bossage est bordé par deux rampes inclinées et le cran de la clé est bordé par deux rampes inclinées aptes à coopérer avec les rampes du bossage pour assurer la levée du bloqueur.Advantageously, the boss is bordered by two inclined ramps and the notch of the key is bordered by two inclined ramps adapted to cooperate with the ramps of the boss to ensure the lifting of the blocker.

Avantageusement, la clé présente, en arrière du cran de levée du bloqueur, un cran de maintien du bloqueur en position haute.Advantageously, the key has, behind the notch lifting the blocker, a notch holding the blocker in the up position.

De manière avantageuse, les bases planes des parties latérales du bloqueur comportent chacune une creusure présentant une face avant de blocage de l'entraîneur.Advantageously, the flat bases of the lateral parts of the blocker each comprise a recess having a front face of the locking of the driver.

De préférence, l'ensemble des deux parties latérales et de la traverse du bloqueur a une surface supérieure cylindrique correspondant à celle du rotor.Preferably, all of the two lateral parts and the cross member of the blocker has a cylindrical upper surface corresponding to that of the rotor.

L'invention a encore pour objet une clé pour cylindre de sécurité, à entraîneur de panneton et comportant un bloqueur d'entraîneur disposé en travers du passage de clé, caractérisée en ce qu'elle comporte sur le dessus et au voisinage de la pointe, un cran de levée du bloqueur, et latéralement, des usinages aptes à coopérer avec des poussoirs de l'entraîneur. Avantageusement, en arrière du cran de levée du bloqueur, le dessus de clé comporte un cran de maintien du bloqueur en position haute.The subject of the invention is also a key for a safety cylinder, having a bit driver and comprising a driver blocker arranged across the key passage, characterized in that it comprises on the top and in the vicinity of the tip, a notch lifting the blocker, and laterally machining able to cooperate with the pushers of the coach. Advantageously, behind the notch lifting the blocker, the top of the key comprises a notch holding the blocker in the up position.

D'autres buts, caractéristiques et avantages de l'invention ressortent de la description qui suit, donnée à titre illustratif et non limitatif, avec référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective éclatée d'un rotor extérieur de cylindre avec la clé correspondante selon l'invention ;
  • la figure 2 est une vue en perspective de la clé et du bloqueur de la figure 1 ;
  • la figure 3 est une vue en perspective de dessous du bloqueur de la figure 1 ;
  • les figures 4a à 4d sont des vues de côté montrant les différentes positions de la clé et du bloqueur au cours de l'introduction de la clé dans le rotor de la figure 1,
  • la figure 5 est une vue de dessous du bloqueur,
  • la figure 6 est une vue en coupe selon la ligne EE de la figure 5,
  • la figure 7 est une vue de côté de la pointe de clé.
Other objects, features and advantages of the invention will emerge from the description which follows, given by way of illustration and without limitation, with reference to the appended drawings in which:
  • the figure 1 is an exploded perspective view of an outer cylinder rotor with the corresponding key according to the invention;
  • the figure 2 is a perspective view of the key and the blocker of the figure 1 ;
  • the figure 3 is a perspective view from below the blocker of the figure 1 ;
  • the Figures 4a to 4d are side views showing the different positions of the key and the blocker during the introduction of the key into the rotor of the figure 1 ,
  • the figure 5 is a bottom view of the blocker,
  • the figure 6 is a sectional view along the line EE of the figure 5 ,
  • the figure 7 is a side view of the key point.

Le cylindre de sécurité à embrayeurs selon l'invention a la même structure que celui décrit dans le brevet EP 0902 138 , auquel il est fait expressément référence, et qui comporte un stator, un rotor intérieur, un rotor extérieur, un panneton, des ensembles de goupilles et ressorts définissant de manière classique la combinaison correspondant au profil de la tige de clé d'actionnement du cylindre. Les rotors comportent un passage de clé et le panneton présente deux orifices destinés à recevoir soit les deux goupilles sollicitées par ressort et logées dans le rotor intérieur, soit les deux embrayeurs logés dans le rotor extérieur et aptes à être poussés par la clé introduite dans le rotor extérieur. Ces deux embrayeurs constituent l'entraîneur du panneton.The clutch safety cylinder according to the invention has the same structure as that described in the patent EP 0902 138 , to which reference is expressly made, and which comprises a stator, an inner rotor, an outer rotor, a bit, sets of pins and springs conventionally defining the combination corresponding to the profile of the actuator key rod of the cylinder . The rotors comprise a key passage and the bit has two holes intended to receive either the two pins biased by spring and housed in the inner rotor, or the two clutches housed in the outer rotor and able to be pushed by the key inserted into the outer rotor. These two clutches are the coach bit.

La figure 1 ne représente que le rotor extérieur 1 et la clé 2 d'actionnement du cylindre. Le rotor extérieur 1 comporte un passage de clé 3 et de part et d'autre du passage de clé 3, deux logements cylindriques 4, 5 destinés à recevoir chacun un embrayeur de panneton 6, 7. Les deux embrayeurs de panneton constituent ensemble l'entraîneur 8 qui solidarise le panneton au rotor extérieur 1 lorsque la clé 2 actionne le cylindre à l'ouverture ou à la fermeture. Chacun des deux embrayeurs de panneton 6, 7 porte un poussoir, respectivement 9, 10 apte à coopérer avec un usinage de la clé 2 pour assurer le déplacement des embrayeurs de panneton 6, 7 lors de l'introduction de la clé 2 dans le passage de clé 3.The figure 1 represents only the outer rotor 1 and the key 2 for actuating the cylinder. The outer rotor 1 comprises a key passage 3 and on either side of the key passage 3, two cylindrical housings 4, 5 intended to each receive a bit clutch 6, 7. The two bit clutches together constitute the coach 8 who solidarises the bit at external rotor 1 when the key 2 actuates the cylinder on opening or closing. Each of the two bit clutches 6, 7 carries a pusher, respectively 9, 10 adapted to cooperate with a machining of the key 2 to ensure the displacement of the bit clutches 6, 7 during the introduction of the key 2 in the passage key 3.

Les logements cylindriques 4, 5 débouchent sur la face d'extrémité intérieure 11 du rotor extérieur 1, en face des orifices du panneton. En l'absence de clé dans le rotor extérieur, les deux embrayeurs de panneton 6, 7 sont maintenus dans les logements cylindriques 4, 5, et ils n'entravent pas la rotation du panneton sous l'action du rotor intérieur.The cylindrical housings 4, 5 open on the inner end face 11 of the outer rotor 1, opposite the orifices of the bit. In the absence of a key in the outer rotor, the two bit clutches 6, 7 are held in the cylindrical housings 4, 5, and they do not interfere with the rotation of the blade under the action of the inner rotor.

Dans une zone proche de la face d'extrémité intérieure 11, et à la partie supérieure du rotor extérieur 1, est disposée une encoche 12 apte à recevoir un bloqueur 13 d'entraîneur. L'encoche 12 est disposée radialement par rapport au rotor 1, et transversalement par rapport au passage de clé 3. Elle s'étend symétriquement de part et d'autre du passage de clé 3. L'encoche 12 présente, dans l'exemple de réalisation décrit et représenté, un fond plat 14 parallèle à l'axe longitudinal du rotor 1 et perpendiculaire au plan moyen du passage de clé 3. Elle présente, du côté de la face d'extrémité 11 du rotor 1, une face avant 15, et de l'autre côté une face arrière 16, qui sont perpendiculaires à l'axe longitudinal du rotor 1. L'encoche 12 est apte à recevoir le bloqueur 13 d'entraîneur.In an area near the inner end face 11, and the upper part of the outer rotor 1, is disposed a notch 12 adapted to receive a blocker 13 coach. The notch 12 is arranged radially relative to the rotor 1, and transversely to the key passage 3. It extends symmetrically on either side of the key passage 3. The notch 12 has, in the example embodiment described and shown, a flat bottom 14 parallel to the longitudinal axis of the rotor 1 and perpendicular to the mean plane of the key passage 3. It has, on the side of the end face 11 of the rotor 1, a front face 15 , and on the other side a rear face 16, which are perpendicular to the longitudinal axis of the rotor 1. The notch 12 is adapted to receive the blocker 13 coach.

Le bloqueur 13 a une forme d'arche, avec deux parties latérales 17, 18 séparées par un évidement 19 et réunies par une traverse 20. L'ensemble des deux parties latérales 17, 18 et de la traverse 20 a une surface supérieure cylindrique correspondant à celle du rotor 1. Le bloqueur 13 présente une face avant 21 apte à glisser contre la face avant 15 de l'encoche 12, et une face arrière 22 apte à glisser contre la face arrière 16 de l'encoche 12. Chacune des deux parties latérales 17, 18 du bloqueur 13 présente une base plane, 23, 24, apte à reposer sur le fond plat 14 de l'encoche 12, respectivement d'un côté et de l'autre du passage de clé 3.The blocker 13 has an arch shape, with two lateral parts 17, 18 separated by a recess 19 and joined by a cross member 20. The assembly of the two lateral parts 17, 18 and the cross member 20 has a corresponding cylindrical upper surface. to that of the rotor 1. The blocker 13 has a front face 21 adapted to slide against the front face 15 of the notch 12, and a rear face 22 adapted to slide against the rear face 16 of the notch 12. Each of the two side portions 17, 18 of the blocker 13 has a flat base, 23, 24, adapted to rest on the flat bottom 14 of the notch 12, respectively on one side and the other of the key passage 3.

L'évidement 19, placé sous la traverse 20, dans la partie médiane du bloqueur 13, correspondant au passage de clé 3, a une largeur sensiblement égale à celle du passage de clé 3. L'évidement 19 est délimité par deux faces latérales 25, 26, parallèles entre elles et au plan moyen du passage de clé 3. Il comporte une face supérieure 27 plane, perpendiculaire aux faces latérales 25, 26 et parallèle à l'axe longitudinal du rotor 1. A une distance I de la face avant 21 du bloqueur 13, la face supérieure 27 de l'évidement 19 porte un bossage 28 transversal au passage de clé 3, bordé par deux rampes inclinées 29, 30.The recess 19, placed under the crosspiece 20, in the middle part of the blocker 13, corresponding to the keyway 3, has a width substantially equal to that of the keyway 3. The recess 19 is delimited by two lateral faces 25, 26, parallel to each other and to the mean plane of the key passage 3. It comprises a flat upper face 27, perpendicular to the lateral faces 25, 26 and parallel to the longitudinal axis of the rotor 1. At a distance I from the face before 21 of the blocker 13, the upper face 27 of the recess 19 carries a boss 28 transverse to the key passage 3, bordered by two inclined ramps 29, 30.

De part et d'autre de l'évidement 19, les parties latérales 17, 18 du bloqueur 13 comportent chacune dans sa base 23, 24, une creusure 31, 32, respectivement, ouverte sur la face arrière 22 du bloqueur 13, et présentant une face avant 33, 34, respectivement, de blocage de l'entraîneur 8, parallèle à la face avant 21 du bloqueur 13. En l'absence de clé, les poussoirs 9, 10 sont en butée contre les faces de blocage 33, 34.On either side of the recess 19, the lateral parts 17, 18 of the blocker 13 each comprise in its base 23, 24, a recess 31, 32, respectively, open on the rear face 22 of the blocker 13, and having a front face 33, 34, respectively, locking the driver 8, parallel to the front face 21 of the blocker 13. In the absence of key, the pushers 9, 10 are in abutment against the locking faces 33, 34 .

La clé 2 présente latéralement des usinages 35, 36, aptes à entraîner les poussoirs 9, 10 des embrayeurs de panneton 6, 7, c'est-à-dire aptes à entraîner l'entraîneur 8. Au voisinage de son extrémité, le dessus de clé présente un cran 37 de levée du bloqueur 13, puis, en arrière du cran 37 de levée du bloqueur, un cran 38 de maintien du bloqueur 13 en position haute. Le cran 37 de levée du bloqueur 13 est bordé par deux rampes inclinées 39, 40, aptes à coopérer avec les rampes 29, 30 du bossage 28 du bloqueur 13 pour assurer la levée du bloqueur 13.The key 2 laterally has machining 35, 36, able to drive the pushers 9, 10 bit clutches 6, 7, that is to say capable of driving the driver 8. In the vicinity of its end, the top key has a notch 37 for lifting the blocker 13, then, behind the notch 37 for lifting the blocker, a notch 38 for holding the blocker 13 in the up position. The notch for lifting the blocker 13 is bordered by two inclined ramps 39, 40, able to cooperate with the ramps 29, 30 of the boss 28 of the blocker 13 to ensure the lifting of the blocker 13.

Le fonctionnement du cylindre s'analyse en relation avec les figures 4a à 4d. En l'absence de clé dans le rotor extérieur 1, l'entraîneur est entièrement logé dans le rotor 1, les embrayeurs de panneton 6 et 7 étant dans les logements cylindriques 4 et 5, respectivement. Le bloqueur 13 est en position basse, en travers du passage de clé 3, les bases planes 23 et 24 de ses parties latérales 17 et 18 reposant sur le fond plat 14 de l'encoche 12. Les faces de blocage 33 et 34 disposées dans les creusures 31 et 32 du bloqueur empêchent les poussoirs 9 et 10 de se déplacer vers le panneton.The operation of the cylinder is analyzed in relation to the Figures 4a to 4d . In the absence of a key in the outer rotor 1, the driver is fully housed in the rotor 1, the bit clutches 6 and 7 being in the cylindrical housings 4 and 5, respectively. The blocker 13 is in the low position, across the keyway 3, the flat bases 23 and 24 of its lateral parts 17 and 18 resting on the flat bottom 14 of the notch 12. The locking faces 33 and 34 disposed in the recesses 31 and 32 of the blocker prevent the pushers 9 and 10 from moving towards the bit.

Lorsque la clé 2 pénètre dans le passage de clé, elle arrive dans la position de la figure 4a, où le bloqueur 13 est encore en position basse et les poussoirs 9, 10 bloqués vers l'avant par les faces de blocage 33, 34. La clé 2 progressant dans le passage de clé 3, la rampe 39 du cran 37 du dessus de clé co-agit avec la rampe 29 du bossage 28 du bloqueur 13 et soulève le bloqueur 13, jusqu'à ce que le bossage 28 glisse sur le cran 37 de la clé 2 (figure 4b). Dans cette position, les faces de blocage 33, 34 sont élevées au-dessus des poussoirs 9, 10 qui ne sont plus en butée sur les faces de blocage 33, 34.When key 2 enters the keyway, it reaches the position of the key figure 4a , where the blocker 13 is still in the low position and the pushers 9, 10 blocked forwards by the locking faces 33, 34. The key 2 progressing in the key passage 3, the ramp 39 of the notch 37 of the top of key co-acts with the ramp 29 of the boss 28 of the blocker 13 and raises the blocker 13, until the boss 28 slides on the notch 37 of the key 2 ( figure 4b ). In this position, the locking faces 33, 34 are raised above the pushers 9, 10 which are no longer in abutment on the locking faces 33, 34.

La clé 2 continuant sa progression, les usinages 35, 36 prennent appui sur l'arrière des poussoirs 9, 10 et les font déplacer vers l'avant, c'est-à-dire vers le panneton. Les embrayeurs de panneton 6, 7, qui sont solidaires des poussoirs 9, 10, se déplacent vers le panneton en repoussant les goupilles du rotor intérieur et en comprimant leurs ressorts. Au cours de cette progression, les poussoirs 9, 10 passent sous les bases 23, 24 du bloqueur 13 et le maintiennent en position haute (figure 4c) même après que le cran 37 de la clé 2 a dépassé le bossage 28 du bloqueur. Lorsque la clé 2 progresse encore, (figure 4d), le cran 38 de maintien du bloqueur 13 arrive sous le bossage 28, la tige de clé arrive en butée contre le bloqueur 13, les embrayeurs de panneton 6, 7 achèvent leur pénétration dans les orifices du panneton, et l'entraîneur 8 est prêt à jouer son rôle à la rotation de la clé 2.The key 2 continuing its progression, the machining 35, 36 are supported on the back of the pushers 9, 10 and move them forward, that is to say towards the bit. The bit clutches 6, 7, which are integral with the pushers 9, 10, move towards the bit by pushing the pins of the inner rotor and compressing their springs. During this progression, the pushers 9, 10 pass under the bases 23, 24 of the blocker 13 and hold it in the up position ( figure 4c ) even after the notch 37 of the key 2 has passed the blocker boss 28. When key 2 progresses further, ( figure 4d ), the notch 38 holding the blocker 13 arrives beneath the boss 28, the key rod comes into abutment against the blocker 13, the bit clutches 6, 7 complete their penetration into the holes of the bit, and the driver 8 is ready to play his role at the rotation of the key 2.

Ainsi, le bloqueur 13 empêche l'entraîneur 8 d'avancer sous l'action d'une clé sans cran de levée du bloqueur, ou sous l'action d'un outil. Pour que l'entraîneur 8 puisse jouer son rôle, il faut que la clé ait d'une part un cran de levée du bloqueur et d'autre part les usinages d'entraînement des poussoirs à la bonne place.Thus, the blocker 13 prevents the trainer 8 to advance under the action of a key without lifting the blocker, or under the action of a tool. For the coach 8 to play its role, it is necessary that the key has on the one hand a notch lifting the blocker and secondly the drive workouts pushers in the right place.

Le codage du cylindre fait intervenir plusieurs paramètres. Tout d'abord, la position du bossage 28 dans l'évidement 19 du bloqueur 13, par rapport à la face avant 21 du bloqueur 13, c'est la distance I (figure 5). Ensuite, la hauteur des faces de blocage 33, 34 qui correspond à la levée minimale que doit subir le bloqueur 13 pour libérer les poussoirs 9, 10 et autoriser l'ouverture, c'est la hauteur h (figure 6). Et il y a une contrainte à respecter dans la levée du bloqueur 13 : il faut que sa surface supérieure cylindrique ne s'élève pas au-dessus de celle du rotor car alors, il gênerait ou bloquerait la rotation par son action sur le stator. Les dimensions I et h doivent se retrouver sur la pointe de clé (figure 7) pour que la clé puisse assurer le fonctionnement adéquat du cylindre.The coding of the cylinder involves several parameters. First, the position of the boss 28 in the recess 19 of the blocker 13, with respect to the front face 21 of the blocker 13, is the distance I ( figure 5 ). Then, the height of the blocking faces 33, 34 which corresponds to the minimum lifting that must undergo the blocker 13 to release the pushers 9, 10 and allow the opening is the height h ( figure 6 ). And there is a constraint to be respected in the lifting of the blocker 13: it is necessary that its cylindrical upper surface does not rise above that of the rotor because then it would hinder or block the rotation by its action on the stator. The dimensions I and h must be on the key point ( figure 7 ) so that the key can ensure the proper operation of the cylinder.

Claims (10)

  1. A secure cylinder with shifters, wherein the outer rotor (1) includes a key passage (3) and, on either side of the key passage (3), two cylindrical housings (4, 5) capable of each receiving a bit shifter (6, 7), the two bit shifters (6, 7) together forming a shank (8) capable of securing the bit to the outer rotor (1) under the action of the key (2), each of the bit shifters (6, 7) bearing a push rod (9, 10) capable of cooperating with a machining (35, 36) of the key (2), characterized in that the outer rotor (1) includes a stopper (13) positioned, across the key passage (3), in a notch (12) transverse to the key passage (3), which, in the lower position, prevents the shank (8) from securing the bit to the outer rotor (1), and which is capable of being kept in the upper position by an indentation (37) for lifting the stopper present on the top of the key (2).
  2. The cylinder according to claim 1, characterized in that the notch (12) extends symmetrically on either side of the key passage (3), and has a flat bottom (14) parallel to the longitudinal axis of the rotor (1) and perpendicular to the mean plane of the key passage (3).
  3. The cylinder according to claim 2, characterized in that the stopper (13) has an arch shape, with two side parts (17, 18), having a flat base (23, 24) capable of resting, in the lower position of the stopper (13), on the flat bottom (14) of the notch (12), joined by a crosspiece (20) and separated by a recess (19).
  4. The cylinder according to claim 3, characterized in that the recess (19) has a width substantially equal to that of the key passage (3) and has, at its upper part, a boss (28) transverse to the key passage (3), capable of being lifted by the indentation (37) of the key (2).
  5. The cylinder according to claim 4, characterized in that the boss (28) is bordered by two inclined ramps (29, 30) and the indentation (37) of the key (2) is bordered by two inclined ramps (39, 40) capable of cooperating with the ramps (29, 30) of the boss (28) to ensure lifting of the stopper (13).
  6. The cylinder according to claim 1, characterized in that the key (2) has, behind the lifting indentation (37) of the stopper (13), an indentation (38) for maintaining the stopper in the upper position.
  7. The cylinder according to claim 3, characterized in that the flat bases (23, 24) of the side parts (17, 18) of the stopper (13) each include a cavity (31, 32) having a front face (33, 34) for blocking the shank (8).
  8. The cylinder according to claim 3, characterized in that the set of the two side parts (17, 18) and the crosspiece (20) of the stopper (13) has a cylindrical upper surface corresponding to that of the rotor (1).
  9. A key for a secure cylinder, with a bit shank and including a shank (8) stopper (13) positioned across the key passage (3), characterized in that it includes, on top and near the tip, a lifting indentation (37) for the stopper (13), and on the sides, machinings (35, 36) capable of cooperating with the push rods (9, 10) of the shank (8).
  10. The key according to claim 9, characterized in that, behind the lifting indentation (37) of the stopper (13), the key top includes an indentation (38) for maintaining the stopper (13) in the upper position.
EP20130155961 2012-03-28 2013-02-20 Secure cylinder with shifters, and corresponding key Not-in-force EP2644809B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1252809A FR2988760B1 (en) 2012-03-28 2012-03-28 SECURITY CYLINDER WITH EMBRAYERS AND CORRESPONDING KEY

Publications (2)

Publication Number Publication Date
EP2644809A1 EP2644809A1 (en) 2013-10-02
EP2644809B1 true EP2644809B1 (en) 2014-10-08

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ID=47713983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20130155961 Not-in-force EP2644809B1 (en) 2012-03-28 2013-02-20 Secure cylinder with shifters, and corresponding key

Country Status (3)

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EP (1) EP2644809B1 (en)
ES (1) ES2527202T3 (en)
FR (1) FR2988760B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2016187A3 (en) * 2016-03-31 2017-03-29 Assa Abloy Czech & Slovakia S.R.O. A key, a locking cylindrical insert, a combination of a key and a locking cylindrical insert and a semi-finished product of a key
DE102016122256A1 (en) * 2016-11-18 2018-05-24 Iseo Deutschland Gmbh Key for a cylinder lock system with key shank and key chalk
DE102020117226A1 (en) * 2020-06-30 2021-12-30 ABUS August Bremicker Söhne Kommanditgesellschaft Lock cylinder, locking device, locking system, key and key blank
EP4019717B1 (en) * 2020-12-22 2023-05-10 KALE Kilit ve Kalip Sanayi A.S. Lock cylinder with an improved security

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2768454B1 (en) * 1997-09-12 1999-12-03 Laperche Sa LOCK CYLINDER AND KEY FOR SUCH A CYLINDER
DE10031972A1 (en) * 2000-06-30 2002-01-10 Winkhaus Fa August Key for profile lock cylinder has control curve in cut-out in rear of key with part of control curve for holding supplementary tumbler immediately opposite notch in front of key
DE10049780A1 (en) * 2000-10-09 2002-04-18 Winkhaus Fa August Key and profiled closure cylinder have closure duct for key, with closure notches matching pin tumblers, additional tumbler, support surface, housing, core, annular and angled cavities.
DE102009050129A1 (en) * 2009-10-21 2011-04-28 Abus Pfaffenhain Gmbh locking system

Also Published As

Publication number Publication date
FR2988760B1 (en) 2014-03-21
ES2527202T3 (en) 2015-01-21
EP2644809A1 (en) 2013-10-02
FR2988760A1 (en) 2013-10-04

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