EP3418476B1 - Lock cylinder with a key authorised for locking - Google Patents

Lock cylinder with a key authorised for locking Download PDF

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Publication number
EP3418476B1
EP3418476B1 EP18176591.8A EP18176591A EP3418476B1 EP 3418476 B1 EP3418476 B1 EP 3418476B1 EP 18176591 A EP18176591 A EP 18176591A EP 3418476 B1 EP3418476 B1 EP 3418476B1
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EP
European Patent Office
Prior art keywords
key
core
pocket
magnet
housing
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.)
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Application number
EP18176591.8A
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German (de)
French (fr)
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EP3418476A1 (en
Inventor
Marc Rasecke
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.)
Aug Winkhaus GmbH and Co KG
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Aug Winkhaus GmbH and Co KG
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Priority to PL18176591T priority Critical patent/PL3418476T3/en
Publication of EP3418476A1 publication Critical patent/EP3418476A1/en
Application granted granted Critical
Publication of EP3418476B1 publication Critical patent/EP3418476B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
    • E05B11/06—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys for catching skeleton or incorrect keys
    • 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
    • E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
    • E05B27/006—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance whereby a small rotation without the correct key blocks further rotation of the rotor
    • E05B27/0064—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance whereby a small rotation without the correct key blocks further rotation of the rotor whereby the rotor is irreversibly blocked or can only be moved back with an authorized tool or key
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets

Definitions

  • the U.S. 3,416,336 A discloses a locking device with a plurality of magnets arranged in a key for controlling magnets arranged in a lock.
  • the magnets have an intended polarity to one another.
  • a locking device has become known in which the core has a guide for a magnetic ball that extends into the locking channel.
  • the key has a recess for receiving and supporting the ball. This ball faces a recess in a locking ring and is attracted by a magnet in the key.
  • the disadvantage of the known locking device is that if the lock cylinder is attempted to be unlocked with a key that is not authorized to lock without a key magnet, the key can be removed again. This means that attempts at manipulation remain undetected and the attempt at manipulation can be repeated.
  • catching a key that is not authorized to close turns out to be particularly simple in terms of construction if the catch pocket is offset by an angle of rotation of the core of about 30 ° with respect to the key withdrawal position.
  • the usual locking mechanisms of known lock cylinders hold the key in the lock channel. The key can then not be pulled out of the keyway.
  • the locking body is designed as a ball, preferably a steel ball.
  • the stop 12 is shown here in partial section and has a bore 13 for receiving a key magnet 14.
  • a magnetic locking body 15 is arranged in a pocket 16.
  • the locking body 15 is designed as a steel ball and is held completely within the core 4 in the position shown. The locking body 15 is attracted by the key magnet 14 and held on the upper wall of the pocket 16.
  • Figure 3 shows a partial area of the lock cylinder 1 on an enlarged scale Figure 2 without a key. It can be seen here that the locking body 15 is not attracted to the upper wall of the pocket 16. A rotation of the core 2 is caused by the in Figure 1 described locking mechanism 5 prevented. Furthermore, in Figure 3 It can be seen that the catch pocket 17, 18 in the illustrated key removal position is at least partially arranged outside the area covered by the pocket 16 in the core 4. Thus, the core 4 can only Assume the key withdrawal position shown when the locking body 15, as shown, is not in one of the catch pockets 17, 18.

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  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft einen Schließzylinder mit einem zum Schließen berechtigten Schlüssel, mit einem drehbar in einem Gehäuse gelagerten Kern, mit einem Sperrmechanismus zur wahlweisen Blockierung oder Freigabe der Bewegung des Kerns, mit einem Schließkanal zum Einführen eines Schaftes des Schlüssels in den Kern, mit Mitteln des in den Schließkanal eingeführten Schlüssels zu Ansteuerung des Sperrmechanismus, mit einem in dem Schlüssel angeordneten Schlüsselmagneten und einem in einer Tasche des Kerns geführten magnetischen Sperrkörper wobei das Gehäuse eine Fangtasche zur teilweisen Aufnahme des Sperrkörpers hat und die Kraft des Schlüsselmagneten zur Halterung des Sperrkörpers innerhalb des Kerns bemessen ist.The invention relates to a lock cylinder with a key authorized to lock, with a core rotatably mounted in a housing, with a locking mechanism for optionally blocking or releasing the movement of the core, with a locking channel for inserting a shaft of the key into the core, with means of the Introduced into the keyway key to control the locking mechanism, with a key magnet arranged in the key and a magnetic locking body guided in a pocket of the core, the housing having a catch pocket for partially receiving the locking body and the force of the key magnet for holding the locking body within the core is sized.

Der Sperrmechanismus des Schließzylinders kann beispielsweise ein elektronischer Sperrmechanismus sein, welcher von einem Code eines elektronischen Bauteils im Schlüssel ansteuerbar ist. Ebenso kann der Sperrmechanismus auch allgemein gebräuchliche mechanische Stiftzuhaltungen aufweisen, welche von Schließausnehmungen im Schlüssel ansteuerbar sind. Schlüsselmagneten erschweren Kopien des zum Schließen berechtigten Schlüssels beispielsweise mittels eines 3D Druckers, eines manuellen Nacharbeiten der äußeren Form oder mittels eines unberechtigten Auslesen und Kopieren des Codes.The locking mechanism of the lock cylinder can, for example, be an electronic locking mechanism which can be controlled by a code of an electronic component in the key. Likewise, the locking mechanism can also have commonly used mechanical pin tumblers, which can be controlled from locking recesses in the key. Key magnets make it difficult to make copies of the key authorized to lock, for example by means of a 3D printer, manual reworking of the external shape or by unauthorized reading and copying of the code.

Die EP 3 101 206 A1 offenbart einen Schließzylinder, bei dem in einer Grundstellung ein Blockierelement in einer fluchtenden Tasche zwischen Gehäuse und Kern angeordnet ist. Ein in der Grundstellung in den Schließzylinder einführbarer Schlüssel hat einen Magneten zum Anziehen und Halten des Blockierelements. Wird das Blockierelement nicht von dem Schlüssel angezogen, wird eine Drehung des Kerns blockiert und der Schlüssel kann wieder abgezogen werden.The EP 3 101 206 A1 discloses a lock cylinder in which, in a basic position, a blocking element is arranged in an aligned pocket between the housing and the core. A key that can be inserted into the lock cylinder in the basic position has a magnet for attracting and holding the blocking element. If the blocking element is not attracted by the key, rotation of the core is blocked and the key can be removed again.

Die US 4 627 251 A offenbart ein Schließsystem bei dem ein Blockierelement von einem in einem Schlüssel angeordneten Magneten aus einer Sperrposition heraus bewegt werden kann. In Sperrposition verhindert das Blockierelement eine anfängliche Drehung des Kerns.The U.S. 4,627,251 A discloses a locking system in which a blocking element can be moved out of a locking position by a magnet arranged in a key. In the locked position, the blocking element prevents an initial rotation of the core.

Die US 3 416 336 A offenbart eine Schließeinrichtung mit mehreren in einem Schlüssel angeordneten Magneten zum Ansteuern von in einem Schloss angeordneten Magneten. Die Magnete weisen eine vorgesehene Polung zueinander auf.The U.S. 3,416,336 A discloses a locking device with a plurality of magnets arranged in a key for controlling magnets arranged in a lock. The magnets have an intended polarity to one another.

Aus der DE 30 16 393 A1 ist eine Schließvorrichtung bekannt geworden, bei der der Kern eine bis in den Schließkanal reichende Führung für eine magnetische Kugel hat. Der Schlüssel weist eine Ausnehmung zur Aufnahme und Abstützung der Kugel auf. Diese Kugel steht einer Ausnehmung in einem Rastring gegenüber und wird von einem Magneten im Schlüssel angezogen. Nachteilig bei der bekannten Schließvorrichtung ist, dass bei einem versuchten Entriegeln des Schließzylinders mit einem nicht zum Schließen berechtigten Schlüssel ohne Schlüsselmagneten der Schlüssel wieder abgezogen werden kann. Damit bleiben Manipulationsversuche unerkannt und der Manipulationsversuch kann wiederholt werden.From the DE 30 16 393 A1 a locking device has become known in which the core has a guide for a magnetic ball that extends into the locking channel. The key has a recess for receiving and supporting the ball. This ball faces a recess in a locking ring and is attracted by a magnet in the key. The disadvantage of the known locking device is that if the lock cylinder is attempted to be unlocked with a key that is not authorized to lock without a key magnet, the key can be removed again. This means that attempts at manipulation remain undetected and the attempt at manipulation can be repeated.

Der Erfindung liegt das Problem zugrunde, einen Schließzylinder mit einem zum Schließen berechtigten Schlüssel so weiter zu bilden, dass ein Manipulationsversuch einfach erkannt wird.The invention is based on the problem of developing a lock cylinder with a key authorized to lock it in such a way that an attempt at manipulation is easily recognized.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass die Fangtasche in Drehrichtung des Kerns neben der Schlüsselabzugsstellung angeordnet ist und dass die Fangtasche in Schlüsselabzugsstellung zumindest teilweise außerhalb des von der Tasche im Kern überdeckten Bereichs angeordnet ist.This problem is solved according to the invention in that the catch pocket is arranged next to the key withdrawal position in the direction of rotation of the core and that the catch pocket in the key withdrawal position is at least partially arranged outside the area covered by the pocket in the core.

Durch diese Gestaltung wird bei einem Manipulationsversuch mit einer nicht zum Schließen berechtigten Schlüsselkopie die Bewegung des Kerns zunächst von dem Sperrmechanismus blockiert. Bei einer Überwindung des Sperrmechanismus lässt sich der Kern zunächst anfänglich ein Stück weit aus der Schlüsselabzugsstellung heraus drehen, bevor der Sperrkörper in die Fangtasche gelangt und dort eine weitere Bewegung des Kerns verhindert. In der Folge kann ein nicht zum Schließen berechtigter Schlüssel ohne Schlüsselmagnet weder den Schließzylinder schließen, noch aus dem Schließzylinder entnommen werden. Damit weist der Schließzylinder eine Schlüsselabzugssperre auf und ein unberechtigter Entriegelungsversuch lässt sich einfach feststellen. Da ein zum Schließen berechtigter Schlüssel sowohl den Sperrmechanismus ansteuert, als auch den Sperrkörper vollständig innerhalb des Kerns hält, lässt sich der Kern drehen und damit der Schließzylinder schließen. Ein vollständiges Zurückdrehen des Kerns in die Schlüsselabzugsstellung bei in der Fangtasche befindlichem Sperrkörper wird zuverlässig verhindert, weil die Fangtasche in Schlüsselabzugsstellung zumindest teilweise außerhalb des von der Tasche im Kern überdeckten Bereichs angeordnet ist.With this design, the movement of the core is initially blocked by the locking mechanism in the event of a manipulation attempt with a key copy that is not authorized to close. When overcoming the locking mechanism, the core can initially be rotated a little out of the key withdrawal position before the locking body gets into the catch pocket and prevents further movement of the core there. As a result, a key that is not authorized to close can neither close the lock cylinder nor be removed from the lock cylinder without a key magnet. The lock cylinder thus has a key withdrawal lock and an unauthorized unlocking attempt can easily be determined. Since a key authorized to lock both controls the locking mechanism and holds the locking body completely within the core, the core can be rotated and the lock cylinder closed. A complete turning back of the core into the key withdrawal position with the locking body in the catch pocket becomes reliable prevented because the catch pocket is arranged in the key withdrawal position at least partially outside of the area covered by the pocket in the core.

Das Fangen eines nicht zum Schließen berechtigten Schlüssels gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn die Fangtasche um einen Drehwinkel des Kerns von etwa 30° gegenüber der Schlüsselabzugsstellung versetzt ist. Bei einer Drehung des Kerns um 30° halten übliche Sperrmechanismen von bekannten Schließzylindern den Schlüssel im Schließkanal. Der Schlüssel kann dann nicht aus dem Schließkanal herausgezogen werden.According to another advantageous development of the invention, catching a key that is not authorized to close turns out to be particularly simple in terms of construction if the catch pocket is offset by an angle of rotation of the core of about 30 ° with respect to the key withdrawal position. When the core is rotated by 30 °, the usual locking mechanisms of known lock cylinders hold the key in the lock channel. The key can then not be pulled out of the keyway.

Der Sperrkörper ist gemäß einer vorteilhaften Weiterbildung der Erfindung in der Schlüsselabzugsstellung zuverlässig in seiner vorgesehenen Lage gehalten, wenn der Sperrkörper in der Schlüsselabzugsstellung vollständig innerhalb der Tasche des Kerns gehalten ist. Ein weiterer Vorteil dieser Gestaltung ist, dass der Sperrkörper hierdurch nicht von dem Schlüsselmagneten angezogen werden muss. Der Sperrkörper ist hierdurch in einer Lage im Kern gehalten, in der er von dem Schlüsselmagneten einfach festgehalten werden kann.According to an advantageous development of the invention, the locking body is reliably held in its intended position in the key removal position when the locking body is held completely within the pocket of the core in the key removal position. Another advantage of this design is that the locking body does not have to be attracted by the key magnet. The locking body is thereby held in the core in a position in which it can easily be held by the key magnet.

Eine Blockierung der Bewegung des Kerns lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders zuverlässig sicherstellen, wenn die Tasche im Kern die Form eines Segments hat.
Beim Schließen des Schließzylinders mit dem zum Schließen berechtigten Schlüssel wird der Sperrkörper gemäß einer anderen vorteilhaften Weiterbildung der Erfindung zuverlässig von den Fangtaschen fern gehalten, wenn die Tasche im Kern unmittelbar unterhalb des Schließkanals eine Mulde zur Aufnahme des Sperrkörpers hat. Hierdurch werden Fehlfunktionen zuverlässig vermieden.According to another advantageous development of the invention, blocking of the movement of the core can be ensured particularly reliably if the pocket in the core has the shape of a segment.
When the lock cylinder is closed with the key authorized to close the locking body, according to another advantageous development of the invention, the locking body is reliably kept away from the catch pockets if the pocket in the core has a recess for receiving the locking body directly below the locking channel. This reliably prevents malfunctions.

Der Schließzylinder gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn die Fangtasche als muldenförmige Vertiefung der Wandung des Gehäuses ausgebildet ist.According to another advantageous development of the invention, the lock cylinder is particularly simple in construction if the catch pocket is designed as a trough-shaped recess in the wall of the housing.

Zur weiteren konstruktiven Vereinfachung des Schließzylinders trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn der Sperrkörper als Kugel, vorzugsweise Stahlkugel, ausgebildet ist.According to another advantageous development of the invention, it contributes to the further structural simplification of the lock cylinder if the locking body is designed as a ball, preferably a steel ball.

Der Sperrkörper könnte von einer nahezu beliebigen Kraft in die Fangtasche bewegt werden. Beispielsweise könnte der Sperrkörper durch die Schwerkraft oder eine Federkraft in Richtung Fangtasche vorbelastet sein. Eine besonders zuverlässige Bewegung des Sperrkörpers in die Fangtasche lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach erreichen, wenn das Gehäuse einen Gehäusemagneten zur Anziehung des Sperrkörpers in die Fangtasche aufweist und dass die von dem Gehäusemagneten auf den Sperrkörper ausgeübte Kraft kleiner ist als die von dem Schlüsselmagneten ausgeübte Kraft. Im Vergleich zur Schwerkraft ermöglicht der Gehäusemagnet eine beliebige Einbaulage des Schließzylinders. Im Vergleich zu einer Federkraft zur Vorspannung des Sperrkörpers benötigt der Gehäusemagnet keinen aufwändig zu erzeugenden Bauraum in dem Kern.The locking body could be moved into the catch pocket by almost any force. For example, the locking body could be preloaded in the direction of the catch pocket by gravity or a spring force. A particularly reliable movement of the locking body into the catch pocket can be easily achieved according to another advantageous development of the invention if the housing has a housing magnet for attracting the locking body into the catch pocket and that the force exerted by the housing magnet on the blocking body is smaller than that of force exerted by the key magnet. Compared to gravity, the housing magnet enables the lock cylinder to be installed in any position. In comparison to a spring force for prestressing the blocking body, the housing magnet does not require any installation space in the core that is complex to generate.

Der Schließzylinder lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung vielfältig einsetzbar, wenn das Gehäuse für jede Drehrichtung des Kerns jeweils eine Fangtasche und jeweils einen Gehäusemagneten hat. Durch diese Gestaltung kann der Schließzylinder in rechts- und linksanschlagenden Türen eingesetzt werden.According to another advantageous development of the invention, the lock cylinder can be used in a variety of ways if the housing has a catch pocket and a housing magnet for each direction of rotation of the core. With this design, the lock cylinder can be used in right and left-hand doors.

Der Schlüsselmagnet könnte beispielsweise in dem Schlüssel vergossen sein. Dies führt jedoch zu einer sehr aufwändigen Fertigung des Schlüssels. Zur Vereinfachung der Montage des Schlüsselmagneten trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn der Schlüsselmagnet in einem axial an den Kern anstoßenden Anschlag angeordnet ist.The key magnet could for example be cast in the key. However, this leads to a very complex production of the key. According to another advantageous development of the invention, it contributes to simplifying the assembly of the key magnet if the key magnet is arranged in a stop axially abutting the core.

Eine Entfernung oder Zerstörung des Gehäusemagneten lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung zuverlässig vermeiden, wenn der Gehäusemagnet außerhalb einer Stirnseite des Schließzylinders angeordnet ist. Durch diese Gestaltung ist der Gehäusemagnet im montierten Zustand des Schließzylinders unzugänglich angeordnet.According to another advantageous development of the invention, removal or destruction of the housing magnet can be reliably avoided if the housing magnet is arranged outside an end face of the lock cylinder. As a result of this design, the housing magnet is inaccessible when the lock cylinder is installed.

Zur weiteren Vereinfachung der Montage trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn zumindest einer der Bauteile des Schlüsselmagneten oder des Gehäusemagneten in einer einseitig offenen Bohrung befestigt ist. Durch diese Gestaltung lässt sich eine Bohrung in den Anschlag des Schlüssels oder einer Seitenwand des Schließzylinders anordnen und der Schlüsselmagnet oder der Gehäusemagnet in der Bohrung beispielsweise durch Verpressung oder Verklebung befestigen.According to another advantageous development of the invention, at least one of the components of the key magnet or the housing magnet is fastened in a bore that is open on one side to further simplify the assembly. With this design, a hole can be arranged in the stop of the key or a side wall of the lock cylinder and the key magnet or the housing magnet can be fastened in the hole, for example by pressing or gluing.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Fig. 1
einen Schließzylinder mit einem Schlüssel,
Fig. 2
eine Schnittdarstellung durch den Schließzylinder aus Figur 1 entlang der Linie II - II,
Fig. 3
vergrößert einen Teilbereich des Schließzylinders aus Figur 1 in einem Grundzustand,
Fig. 4
den Schließzylinder aus Figur 3 beim Schließen mit einem zum Schließen berechtigten Schlüssel,
Fig. 5
den Schließzylinder aus Figur 3 beim Schließen mit einem nicht zum Schließen berechtigten Schlüssel.
The invention allows numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing and is described below. This shows in
Fig. 1
a lock cylinder with a key,
Fig. 2
a sectional view through the lock cylinder Figure 1 along the line II - II,
Fig. 3
enlarges a portion of the lock cylinder Figure 1 in a basic state,
Fig. 4
the lock cylinder Figure 3 when closing with an authorized key,
Fig. 5
the lock cylinder Figure 3 when closing with a key that is not authorized to close.

Figur 1 zeigt einen Schließzylinder 1 mit einem zum Schließen berechtigten Schlüssel 2. Der Schließzylinder 1 hat einen in einem Gehäuse 3 drehbaren Kern 4 und einen Sperrmechanismus 5 zum wahlweisen Blockieren oder Freigabe der Bewegung des Kerns 4. Der Sperrmechanismus 5 weist in dem dargestellten Ausführungsbeispiel eine Reihe von im Schließzylinder 1 angeordneten Stiftzuhaltungen 6 auf, welche von in einem Schaft 7 des Schlüssels 2 angeordneten Schließausnehmungen 8 angesteuert werden. In einem nicht dargestellten Ausführungsbeispiel kann der Sperrmechanismus 5 auch einen elektronisch ansteuerbaren Aktor zur Blockierung oder Freigabe der Bewegung des Kerns 4 aufweisen. Der Kern 4 ist mit einem Schließbart 9 verbunden und hat einen Schließkanal 10 zur Aufnahme des Schaftes 7 des Schlüssels 2. Der Schlüssel 2 hat zudem eine Reide 11 und einen Anschlag 12, mit dem er sich an einer Stirnseite des Kerns 4 abstützt. Figure 1 shows a lock cylinder 1 with a key 2 authorized to lock. The lock cylinder 1 has a core 4 rotatable in a housing 3 and a locking mechanism 5 for optionally blocking or releasing the movement of the core 4. The locking mechanism 5 has in the illustrated embodiment a number of Pin tumblers 6 arranged in the lock cylinder 1, which are controlled by locking recesses 8 arranged in a shaft 7 of the key 2. In an exemplary embodiment that is not shown, the blocking mechanism 5 can also have an electronically controllable actuator for blocking or releasing the movement of the core 4. The core 4 is connected to a lock bit 9 and has a locking channel 10 for receiving the shaft 7 of the key 2. The key 2 also has a bow 11 and a stop 12 with which it is supported on an end face of the core 4.

Der Anschlag 12 ist hier im Teilschnitt dargestellt und hat eine Bohrung 13 zur Aufnahme eines Schlüsselmagneten 14. In dem Kern 4 ist ein magnetischer Sperrkörper 15 in einer Tasche 16 angeordnet. Der Sperrkörper 15 ist als Stahlkugel ausgebildet und in der dargestellten Stellung vollständig innerhalb des Kerns 4 gehalten. Der Sperrkörper 15 wird von dem Schlüsselmagneten 14 angezogen und an der oberen Wandung der Tasche 16 gehalten.The stop 12 is shown here in partial section and has a bore 13 for receiving a key magnet 14. In the core 4, a magnetic locking body 15 is arranged in a pocket 16. The locking body 15 is designed as a steel ball and is held completely within the core 4 in the position shown. The locking body 15 is attracted by the key magnet 14 and held on the upper wall of the pocket 16.

Figur 2 zeigt den Schließzylinder 1 mit dem eingeführten zum Schließen berechtigten Schlüssel 2 aus Figur 1 in einer Schlüsselabzugsstellung, in der der Schlüssel 2 einfach in den Schließzylinder 1 eingeführt und aus diesem abgezogen werden kann. Der nicht in der Schnittebene angeordnete Schlüsselmagnet 14 ist in Figur 2 gestrichelt dargestellt.
In einem Drehwinkel des Kerns um etwa 30° zur Schlüsselabzugsstellung sind in dem Gehäuse 3 Fangtaschen 17, 18 angeordnet. Unmittelbar unterhalb der Fangtaschen 17, 18 hat das Gehäuse 3 jeweils einen Gehäusemagneten 19, 20. Die Gehäusemagneten 19, 20 üben eine geringere Anziehungskraft auf den Sperrkörper 15 auf als der Schlüsselmagnet 14. Figure 2 shows the lock cylinder 1 with the inserted key 2 authorized to lock Figure 1 in a key withdrawal position in which the key 2 can simply be inserted into the lock cylinder 1 and withdrawn from it. The key magnet 14, which is not arranged in the cutting plane, is shown in FIG Figure 2 shown in dashed lines.
At an angle of rotation of the core by approximately 30 ° to the key withdrawal position 3 catch pockets 17, 18 are arranged in the housing. Immediately below the catch pockets 17, 18, the housing 3 has a respective housing magnet 19, 20. The housing magnets 19, 20 exert a lower force of attraction on the locking body 15 than the key magnet 14.

Figur 3 zeigt vergrößert einen Teilbereich des Schließzylinders 1 aus Figur 2 ohne Schlüssel. Hierbei ist zu erkennen, dass der Sperrkörper 15 nicht an die obere Wandung der Tasche 16 angezogen ist. Eine Drehung des Kerns 2 wird durch den in Figur 1 beschriebenen Sperrmechanismus 5 verhindert. Weiterhin ist in Figur 3 ersichtlich, dass die Fangtasche 17, 18 in der dargestellten Schlüsselabzugsstellung zumindest teilweise außerhalb des von der Tasche 16 im Kern 4 überdeckten Bereichs angeordnet ist. Damit kann der Kern 4 nur die dargestellte Schlüsselabzugsstellung einnehmen, wenn sich der Sperrkörper 15, wie dargestellt, nicht in einer der Fangtaschen 17, 18 befindet. Figure 3 shows a partial area of the lock cylinder 1 on an enlarged scale Figure 2 without a key. It can be seen here that the locking body 15 is not attracted to the upper wall of the pocket 16. A rotation of the core 2 is caused by the in Figure 1 described locking mechanism 5 prevented. Furthermore, in Figure 3 It can be seen that the catch pocket 17, 18 in the illustrated key removal position is at least partially arranged outside the area covered by the pocket 16 in the core 4. Thus, the core 4 can only Assume the key withdrawal position shown when the locking body 15, as shown, is not in one of the catch pockets 17, 18.

Figur 4 zeigt das Schließen des Schließzylinders 1 mit dem zum Schließen berechtigten Schlüssel 2. Der in Figur 1 beschriebene Sperrmechanismus 5 ist angesteuert und der Sperrkörper 15 ist hier von dem Schlüsselmagneten 14 in eine am oberen Ende der Tasche 16 angeordnete Mulde 21 angezogen. Der Kern 4 kann gegenüber dem Gehäuse 3 verdreht werden. Figure 4 shows the locking of the lock cylinder 1 with the key 2 authorized to lock. The in Figure 1 The locking mechanism 5 described is activated and the locking body 15 is attracted here by the key magnet 14 into a trough 21 arranged at the upper end of the pocket 16. The core 4 can be rotated relative to the housing 3.

Figur 5 zeigt ein versuchtes Schließen des Schließzylinders 1 mit einem nicht zum Schließen berechtigten Schlüssel 22, bei dem der in Figur 4 beschriebene Schlüsselmagnet 14 fehlt. Nach dem Überwinden des in Figur 1 beschriebenen Sperrmechanismus 5 kann der Kern 4 anfänglich gedreht werden. Da sich jedoch der Sperrkörper 15 zunächst frei in der Tasche 16 bewegen kann, wird dieser von einem der Gehäusemagneten 19 in eine der Fangtaschen 17 angezogen. Damit wird eine Weiterdrehung des Kerns 4 verhindert. Jedoch wird auch ein vollständiges Zurückdrehen des Kerns 4 in die Schlüsselabzugsstellung verhindert, weil der Sperrkörper 15 in der Fangtasche 17 verbleibt. Damit ist der nicht zum Schließen berechtigte Schlüssel 22 in dem Schließzylinder 1 gefangen. Figure 5 shows an attempted closing of the lock cylinder 1 with a not authorized to lock key 22, in which the in Figure 4 Key magnet 14 described is missing. After overcoming the in Figure 1 The locking mechanism 5 described, the core 4 can initially be rotated. However, since the locking body 15 can initially move freely in the pocket 16, it is attracted by one of the housing magnets 19 into one of the catch pockets 17. This prevents further rotation of the core 4. However, complete turning back of the core 4 into the key withdrawal position is also prevented because the locking body 15 remains in the catch pocket 17. The key 22 that is not authorized to lock is thus caught in the lock cylinder 1.

Claims (12)

  1. A cylinder lock (1) having a key (2) authorized to lock, having a core (4) rotatably mounted in a housing (3), having a blocking mechanism (5) for the selective blocking or release of the movement of the core (4), having a locking channel (10) for introducing a shaft (7) of the key (2) into the core (4), having means of the key (2) introduced into the locking channel (10) for actuating the blocking mechanism (5), having a key magnet (14) arranged in the key (2) and a magnetic blocking body (15) guided in a pocket (16) of the core (4), wherein the housing (3) has a catching pocket (17, 18) for partially accommodating the blocking body (15) and the force of the key magnet (14) is dimensioned for holding the blocking body (15) within the core (4), characterized in that the catching pocket (17, 18) is arranged in the direction of rotation of the core (4) next to the key withdrawal position and that the catching pocket (17, 18) is arranged in the key withdrawal position at least partially outside of the region covered by the pocket (16) in the core (4).
  2. The cylinder lock according to claim 1, characterized in that the catching pocket (17, 18) is offset by an angle of rotation of the core of about 30° relative to the key withdrawal position.
  3. The cylinder lock according to claim 1 or 2, characterized in that the blocking body (15) is held completely within the pocket (16) of the core (4) in the key withdrawal position.
  4. The cylinder lock according to any one of the preceding claims, characterized in that the pocket (16) in the core (4) has the form of a segment.
  5. The cylinder lock according to any one of the preceding claims, characterized in that the pocket (16) in the core (4) directly below the locking channel (10) has a trough (21) for accommodating the blocking body (15).
  6. The cylinder lock according to any one of the preceding claims, characterized in that the catching pocket (17, 18) is designed as a trough-shaped recess of a wall of the housing (3).
  7. The cylinder lock according to any one of the preceding claims, characterized in that the blocking body (15) is designed as a ball, preferably a steel ball.
  8. The cylinder lock according to any one of the preceding claims, characterized in that the housing (3) has a housing magnet (19, 20) for attracting the blocking body (15) into the catching pocket (17, 18) and that the force exerted by the housing magnet (19, 20) on the blocking body (15) is less than the force exerted by the key magnet (14).
  9. The cylinder lock according to claim 8, characterized in that the housing (3) for each direction of rotation of the core (4) in each case has a catching pocket (17, 18) and in each case a housing magnet (19, 20).
  10. The cylinder lock according to any one of the preceding claims, characterized in that the key magnet (14) is arranged in a stop (12) axially abutting the core (4).
  11. The cylinder lock according to claims 8 to 10, characterized in that the housing magnet (19, 20) is arranged outside an end face of the cylinder lock (1)
  12. The cylinder lock according to any one of claims 8 to 11, characterized in that at least one of the components of the key magnet (14) or of the housing magnet (19, 20) is fastened in a bore (13) open on one side.
EP18176591.8A 2017-06-22 2018-06-07 Lock cylinder with a key authorised for locking Active EP3418476B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18176591T PL3418476T3 (en) 2017-06-22 2018-06-07 Lock cylinder with a key authorised for locking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017210553.4A DE102017210553A1 (en) 2017-06-22 2017-06-22 Lock cylinder with a key authorized to close

Publications (2)

Publication Number Publication Date
EP3418476A1 EP3418476A1 (en) 2018-12-26
EP3418476B1 true EP3418476B1 (en) 2020-11-18

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Application Number Title Priority Date Filing Date
EP18176591.8A Active EP3418476B1 (en) 2017-06-22 2018-06-07 Lock cylinder with a key authorised for locking

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Country Link
EP (1) EP3418476B1 (en)
DE (1) DE102017210553A1 (en)
ES (1) ES2837576T3 (en)
PL (1) PL3418476T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11613909B1 (en) 2022-08-22 2023-03-28 Winloc Ag Key blank, a coded key and a cylinder lock and key system with improved stop arrangement
US11536047B1 (en) 2022-08-22 2022-12-27 Winloc Ag Key plug, a cylinder lock, a cylinder lock and key combination and a method to manufacture a key plug
US11542724B1 (en) 2022-08-22 2023-01-03 Winloc Ag Key blank, a key, and a cylinder lock and key combination

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Publication number Priority date Publication date Assignee Title
US3416336A (en) * 1965-12-22 1968-12-17 Liquidonics Inc Magnetic lock devices
DE3016393C2 (en) 1980-02-08 1986-03-27 Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, Wien Lock cylinder
US4627251A (en) * 1984-09-17 1986-12-09 Bhate Suresh K Combined mechanical and magnetic locking system
DE10318913B4 (en) * 2003-04-26 2012-03-08 Aug. Winkhaus Gmbh & Co. Kg lock cylinder
DE102004056606A1 (en) * 2004-11-24 2006-06-01 Aug. Winkhaus Gmbh & Co. Kg Cylinder lock for use in master key system, has core comprising slot at its top side for complete intake of movable lock units, where lock units provided in separation plane between housing and core, support slot in housing
FR3037091A1 (en) * 2015-06-03 2016-12-09 Assa Abloy Aube Anjou MAGNETIC SECURITY LOCK

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Also Published As

Publication number Publication date
ES2837576T3 (en) 2021-06-30
EP3418476A1 (en) 2018-12-26
PL3418476T3 (en) 2021-04-19
DE102017210553A1 (en) 2018-12-27

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