EP2930290B1 - Lock and key system - Google Patents

Lock and key system Download PDF

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Publication number
EP2930290B1
EP2930290B1 EP15160964.1A EP15160964A EP2930290B1 EP 2930290 B1 EP2930290 B1 EP 2930290B1 EP 15160964 A EP15160964 A EP 15160964A EP 2930290 B1 EP2930290 B1 EP 2930290B1
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EP
European Patent Office
Prior art keywords
key
rings
lock
cylinder core
cylinder
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EP15160964.1A
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German (de)
French (fr)
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EP2930290A1 (en
Inventor
Steffen Matschke
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 Sicherheitstechnik GmbH
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Assa Abloy Sicherheitstechnik GmbH
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Publication of EP2930290A1 publication Critical patent/EP2930290A1/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits

Definitions

  • the invention relates to a lock and key system, comprising a lock cylinder housing with a cylinder core rotatably mounted therein, in the key channel of a flat key is inserted, which has a coding on its flat side, which is detectable in the lock cylinder, .appeli if not matching coding in the Cylinder core mounted locking element on the parting plane cylinder core / lock cylinder housing is displaceable in a recess in the lock cylinder housing, thus preventing the rotation of the cylinder core.
  • the flat key has, for example, notches on the key-breast, which are scanned by core and housing pins, these match with matching key on the parting plane cylinder core / lock cylinder housing, so that a closing operation can be performed. Further profilings are provided in the side surfaces of the key shank, which are checked on the one hand by the corresponding design of the key channel and on the other hand by additional sensing elements in the cylinder core and. Both the notches as well as the profiling one speaks of the coding of the key.
  • Simple keys can be easily scanned and made on a digital copying machine or in other stereolithography systems. Key cards and other credentials for copying e.g. Master keys for locking systems can be easily bypassed.
  • a system according to the preamble of claim 1 with movable elements in the key is from the WO 2009/012541 A1 known
  • a query element or interrogation pin is provided in the cylinder core, which detects the presence of at least one ring and prevents rotation of the cylinder core in the absence of the rings.
  • two rings are arranged, which can be moved laterally, ie transversely to the key shaft longitudinal plane.
  • the rings are fixed in the key by an axle located in the key shank longitudinal plane.
  • the rings When the key is fully inserted, the rings can be moved in semicircular pockets in the cylinder core. This shift is made by two sliders, which sit with their noses in the labyrinth grooves of the lock cylinder housing. Due to the core rotation, the slides move in the direction of the cylinder center and shift the rings in opposite directions. One slider moves the lower ring, the other the upper ring. The slides have different recesses into which the rings can dip. The slides move the rings into the key shank. This is to ensure that with copied keys without rings (only a "window" in the key), the key can not be pulled out after closing because both slides block the key. When pulled out, rounded edges on the recesses in the cylinder core ensure alignment of the rings and resetting of the two slides.
  • the slider elements could be made sluggish via spring-loaded balls to prevent the closing of duplicate plastic keys (the rings would deform and hinder the removal of the key).
  • the system according to the invention is also suitable for reversible key systems.
  • FIG. 1 shows the not fully imported key 1, the lock cylinder housing 3, and the cylinder core. 2
  • FIG. 2 shows the cylinder housing 2 rotatably mounted in the lock cylinder housing and the key 1.
  • a recess 8 ( FIG. 3 ) of the key shank are arranged one above the other two rings 4, wherein the fixing is effected by a common axis 10 which is arranged in the key shank longitudinal plane. Both rings 4 can move separately or together across the key shaft.
  • a corresponding evacuation is provided in the cylinder core, which is denoted by 7. If the key is completely inserted into the keyway, the rings are (not shown here) in extensions of the cylinder core and act there with locking elements, which are designed as a slide 6, together.
  • FIG. 2 2a shows the fully inserted key and the slides 5 and 6 moved during the core rotation, in which the rings 4 dip into corresponding recesses 11 in the slides 5 and 6.
  • the edge 12 of the slider moves the ring into the recess 11 of the opposite slider and partially immersed in the recess in the key shank.
  • the lugs 14 of the slide 5 are located within the cylinder core circumference, ie below the parting plane, so that the cylinder core can be rotated to carry out a closing operation.
  • FIG. 3a shows the mounting of the rings 4 on the common axis 10 in the key shank
  • FIG. 2b showing the arrangement of a stylus 15 in the cylinder core.
  • This pin scans the presence of at least one ring 4 and is pressed upon rotation of the cylinder core of the ring 4 to the parting plane. If the ring is missing completely or if it does not have the correct diameter, then the normal housing pin 17 - after half a turn of the cylinder core - can plunge into the bore of the stylus 15 and thus prevent further rotation of the cylinder core.

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  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft ein Schloss - Schlüssel - System, umfassend ein Schließzylindergehäuse mit einem drehbar darin gelagerten Zylinderkern, in dessen Schlüsselkanal ein Flachschlüssel einführbar ist, der an seiner Flachseite eine Codierung aufweist, die im Schließzylinder erfassbar ist,.wobei bei nicht passender Codierung ein im Zylinderkern gelagertes Sperrelement über die Trennebene Zylinderkern/Schließzylindergehäuse in eine Ausnehmung im Schließzylindergehäuse verschiebbar ist und so die Drehung des Zylinderkerns verhindert.The invention relates to a lock and key system, comprising a lock cylinder housing with a cylinder core rotatably mounted therein, in the key channel of a flat key is inserted, which has a coding on its flat side, which is detectable in the lock cylinder, .wobei if not matching coding in the Cylinder core mounted locking element on the parting plane cylinder core / lock cylinder housing is displaceable in a recess in the lock cylinder housing, thus preventing the rotation of the cylinder core.

Bei herkömmlichen Systemen weist der Flachschlüssel beispielsweise Kerben an der Schlüsselbrust auf, die von Kern- und Gehäusestiften abgetastet werden, wobei diese bei passendem Schlüssel an der Trennebene Zylinderkern/Schließzylindergehäuse abgleichen, so dass ein Schließvorgang ausgeführt werden kann.
Ferner sind in den Seitenflächen des Schlüsselschaftes Profilierungen vorgesehen, die einerseits durch die entsprechende Ausbildung des Schlüsselkanals und andererseits durch zusätzliche Tastelemente im Zylinderkern und geprüft werden. Sowohl bei den Kerben wie auch der Profilierung spricht man von der Codierung des Schlüssels.In conventional systems, the flat key has, for example, notches on the key-breast, which are scanned by core and housing pins, these match with matching key on the parting plane cylinder core / lock cylinder housing, so that a closing operation can be performed.
Further profilings are provided in the side surfaces of the key shank, which are checked on the one hand by the corresponding design of the key channel and on the other hand by additional sensing elements in the cylinder core and. Both the notches as well as the profiling one speaks of the coding of the key.

Bisher wurden Nachschlüssel bzw. Schlüsselicopien durch mechanische Verfahren, wie Fräsen, angefertigt, wobei in der Regel das Original des Schlüssels zur Kopienahme vorlag.Up to now, duplicates or key copies have been made by mechanical processes, such as milling, whereby the original of the key for copying was generally available.

Möglich war aber auch schon die Übernahme elektronisch vorliegender Daten für den Kopiervorgang.But it was also possible to take over electronically available data for the copying process.

Mit zunehmender Verbreitung sogenannter digitaler Kopiervorrichtungen ist jedoch die Möglichkeit auch zur unerlaubten Anfertigung von Nachschlüsseln gestiegen.However, with the spread of so-called digital copying devices, the possibility has also increased for the unauthorized production of replicas.

"Einfache" Schlüssel kann man leicht scannen und auf einer digitalen Kopiervorrichtung oder in anderen Stereolithographie - Systemen anfertigen. Schlüsselkarten und andere Legitimationen für das Kopieren von z.B. Generalschlüsseln bei Schließanlagen können damit leicht umgangen werden.Simple keys can be easily scanned and made on a digital copying machine or in other stereolithography systems. Key cards and other credentials for copying e.g. Master keys for locking systems can be easily bypassed.

Bekannt sind auch Schlüssel, die im Schlüsselschaft gelagerte bewegliche Elemente aufweisen, die von Sperrelemente im Zylinderkern erkannt werden
Die Anfertigung von Schlüsselkopien ist damit schon erschwert worden.Also known are keys that have movable elements mounted in the key shank, which are recognized by blocking elements in the cylinder core
Making key copies has already been made more difficult.

Ein System gemäß dem Oberbegriff des Anspruchs 1 mit beweglichen Elementen im Schlüssel ist aus der WO 2009/012541 A1 bekanntA system according to the preamble of claim 1 with movable elements in the key is from the WO 2009/012541 A1 known

Der Erfindung liegt die Aufgabe zugrunde, einen Schlüssel-Kopierschutz zu schaffen, der das Kopieren des Schlüssels auf digitalen Kopiervorrichtungen weiter erschwert. Gelöst wird diese Aufgabe erfindungsgemäß mit einem Schloss - Schlüssel - System, umfassend ein Schließzylindergehäuse mit einem drehbar darin gelagerten Zylinderkern, in dessen Schlüsselkanal ein Flachschlüssel einführbar ist, der an seiner Flachseite eine Codierung aufweist, die im Schließzylinder erfassbar ist,wobei bei nicht passender Codierung ein im Zylinderkern gelagertes Sperrelement über die Trennebene Zylinderkern/Schließzylindergehäuse in eine Ausnehmung im Schließzylindergehäuse verschiebbar ist und so die Drehung des Zylinderkerns verhindert, dadurch,

  • dass die Codierung aus in einer Ausnehmung im Schlüsselschaft angeordneten Ringen besteht, die durch eine in der Schlüsselschaftlängsebene angeordnete, gemeinsame Achse im Schlüssel fixiert, aber quer zur Schlüsselschaftlängsebene verschiebbar sind,
  • dass im Zylinderkern eine entsprechende Räumung vorgesehen ist, um den Schlüssel mit den Ringen in den Schlüsselkanal einführen zu können,
  • dass an einer definierten Stelle im Schlüsselkanal die Räumung derart erweitert ist, dass die Ringe quer zur Schlüsselschaftlängsebene verschiebbar sind,
  • dass diese Verschiebung durch zwei den Ringen zugeordnete, quer zur Schlüsselschaftlängsebene bewegbare, beidseitig des Schlüsselkanals im Zylinderkern angeordnete Sperrelemente erfolgt, die jeweils mit beiden Ringen in Eingriff stehen,
wobei bei nicht passender Codierung des Schlüssels, die durch die Querverschiebung der Ringe definiert ist, die Sperrelemente, die Trennebene überschreitend, in die Ausnehmungen des Zylindergehäuses reichen können.The invention has for its object to provide a key-copy protection, which further complicates the copying of the key on digital copying devices. This object is achieved according to the invention with a lock - key system, comprising a lock cylinder housing with a rotatably mounted therein cylinder core, in its key channel, a flat key is inserted, which has on its flat side an encoding that is detectable in the lock cylinder, wherein not matching coding a locking element mounted in the cylinder core is displaceable over the dividing plane cylinder core / lock cylinder housing into a recess in the lock cylinder housing and thus prevents the rotation of the cylinder core, characterized
  • the coding consists of rings arranged in a recess in the key shank which are fixed in the key by a common axis arranged in the key shank longitudinal plane, but are displaceable transversely to the key shank longitudinal plane,
  • that in the cylinder core a corresponding evacuation is provided in order to introduce the key with the rings in the key channel,
  • that at a defined position in the key channel the evacuation is extended such that the rings are displaceable transversely to the key shank longitudinal plane,
  • in that this displacement takes place by means of two blocking elements which are assigned to the rings and are movable transversely to the key shank longitudinal plane, arranged on both sides of the key channel in the cylinder core, which engage in each case with both rings,
wherein, in the case of mismatched coding of the key, which is defined by the transverse displacement of the rings, the blocking elements, extending beyond the dividing plane, can reach into the recesses of the cylinder housing.

Zusätzlich ist im Zylinderkern ein Abfrageelement oder Abfragestift vorgesehen, der das Vorhandensein mindestens eines Ringes erkennt und beim Fehlen der Ringe eine Drehung des Zylinderkerns unterbindet.In addition, a query element or interrogation pin is provided in the cylinder core, which detects the presence of at least one ring and prevents rotation of the cylinder core in the absence of the rings.

Ausgehend von den Materialeigenschaften von digitalen Kopiervorrichtungen Materialien (hauptsächlich Kunststoffe mit niedriger Festigkeit) wurde eine Lösung gefunden, die die Materialeigenschaften von Stahl ausnutzt.Based on the material properties of digital copying materials (mainly low strength plastics) materials, a solution has been found that exploits the material properties of steel.

In einer Ausnehmung (Fenster) im Schlüssel sind zwei Ringe angeordnet, die sich seitlich, also quer zur Schlüsselschaftlängsebene, verschieben lassen. Die Ringe sind durch eine in der Schlüsselschaftlängsebene liegende Achse im Schlüssel fixiert.In a recess (window) in the key two rings are arranged, which can be moved laterally, ie transversely to the key shaft longitudinal plane. The rings are fixed in the key by an axle located in the key shank longitudinal plane.

Im Zylinderkern befindet sich eine entsprechende Räumung um den Schlüssel mit Ringen einführen zu können.In the cylinder core is a corresponding eviction to introduce the key with rings.

Wenn der Schlüssel vollständig eingeführt ist, können die Ringe in halbrunde Freimachungen im Zylinderkern verschoben werden. Diese Verschiebung wird von zwei Schiebern vorgenommen, die mit ihren Nasen in den Labyrinth-Nuten des Schließzylindergehäuses sitzen. Durch die Kerndrehung bewegen sich die Schieber in Richtung Zylinderkemmitte und verschieben die Ringe entgegengesetzt. Ein Schieber verschiebt den unteren Ring, der andere den oberen Ring. Die Schieber haben unterschiedliche Ausnehmungen, in die die Ringe eintauchen können. Die Schieber bewegen die Ringe bis in den Schlüsselschaft hinein. Dies soll sicher stellen, dass bei kopierten Schlüsseln ohne Ringe (nur ein "Fenster" im Schlüssel) der Schlüssel nach dem Schließen nicht mehr herausgezogen werden kann, da beide Schieber den Schlüssel blockieren. Beim Herausziehen sorgen abgerundete Kanten an den Ausnehmungen im Zylinderkern für ein Ausrichten der Ringe und zum Zurücksetzen der beiden Schieber.When the key is fully inserted, the rings can be moved in semicircular pockets in the cylinder core. This shift is made by two sliders, which sit with their noses in the labyrinth grooves of the lock cylinder housing. Due to the core rotation, the slides move in the direction of the cylinder center and shift the rings in opposite directions. One slider moves the lower ring, the other the upper ring. The slides have different recesses into which the rings can dip. The slides move the rings into the key shank. This is to ensure that with copied keys without rings (only a "window" in the key), the key can not be pulled out after closing because both slides block the key. When pulled out, rounded edges on the recesses in the cylinder core ensure alignment of the rings and resetting of the two slides.

Die Schieberelemente könnten über federbelastete Kugeln schwergängig gestaltet werden, um das Schließen von kopieren Kunstoffschlüsseln zu verhindern (die Ringe würden sich verformen und das Herausziehen des Schlüssels behindern).The slider elements could be made sluggish via spring-loaded balls to prevent the closing of duplicate plastic keys (the rings would deform and hinder the removal of the key).

Das erfindungsgemäße System ist auch für Wendeschlüssel-Systeme geeignet.The system according to the invention is also suitable for reversible key systems.

Die Erfindung soll nachfolgend mit Bezug auf die Zeichnungen näher erläutert werden. Dabei zeigt:

Fig.1
einen teilweise in den Schließzylinder eingeführten Schlüssel,
Fig.1a,1b
Schnitte A-A und B-B in Figur 1
Fig. 2
eine der Figur 1 entsprechende Darstellung mit vollständig eingeführtem Schlüssel,
Fig. 2A,2b
Schnitte D-D und E-E in Figur 2,
Fig. 3
den Schlüsselschaft und
Fig. 3A
einen Schnitt C-C in Figur 3.
The invention will be explained in more detail with reference to the drawings. Showing:
Fig.1
a key partially inserted into the lock cylinder,
Fig.1a, 1b
Cuts AA and BB in FIG. 1
Fig. 2
one of the FIG. 1 corresponding representation with completely inserted key,
Fig. 2A, 2b
Cuts DD and EE in FIG. 2 .
Fig. 3
the key shaft and
Fig. 3A
a cut CC in FIG. 3 ,

Figur 1 zeigt den nicht vollständig eingeführten Schlüssel 1, das Schließzylindergehäuse 3, sowie den Zylinderkern 2. FIG. 1 shows the not fully imported key 1, the lock cylinder housing 3, and the cylinder core. 2

Der Querschnitt nach Figur 2 zeigt den im Schließzylindergehäuse drehbar gelagerten Zylinderkern 2 sowie den Schlüssel 1.The cross section after FIG. 2 shows the cylinder housing 2 rotatably mounted in the lock cylinder housing and the key 1.

In einer Ausnehmung 8 (Figur 3) des Schlüsselschaftes sind übereinander zwei Ringe 4 angeordnet, wobei die Fixierung durch eine gemeinsame Achse 10 erfolgt, die in der Schlüsselschaftlängsebene angeordnet ist. Beide Ringe 4 können sich getrennt oder gemeinsam quer zum Schlüsselschaft verschieben.In a recess 8 ( FIG. 3 ) of the key shank are arranged one above the other two rings 4, wherein the fixing is effected by a common axis 10 which is arranged in the key shank longitudinal plane. Both rings 4 can move separately or together across the key shaft.

Um ein Einführen des Schlüssels in den Schlüsselkanal zu ermöglichen, ist eine entsprechende Räumung im Zylinderkern vorgesehen, die mit 7 bezeichnet ist.
Ist der Schlüssel vollständig in den Schlüsselkanal eingeführt, befinden sich die Ringe (hier nicht dargestellt) in Erweiterungen des Zylinderkerns und wirken dort mit Sperrelementen, die als Schieber 6 ausgeführt sind, zusammen.In order to allow insertion of the key in the keyway, a corresponding evacuation is provided in the cylinder core, which is denoted by 7.
If the key is completely inserted into the keyway, the rings are (not shown here) in extensions of the cylinder core and act there with locking elements, which are designed as a slide 6, together.

In der in Figur 1b gezeigten Position sind diese Schieber über die Trennebene Zylinderkern/ Schließzylindergehäuse nach außen verschoben und deren Nasen 14 stehen mit der Ausnehmung 13 in Eingriff.In the in FIG. 1b shown position, these slides are moved beyond the dividing plane cylinder core / lock cylinder housing to the outside and the lugs 14 are in engagement with the recess 13 in engagement.

Figur 2 bzw. 2a zeigt den vollständig eingeführten Schlüssel und die bei der Kerndrehung bewegten Schieber 5 und 6, bei denen die Ringe 4 in entsprechende Ausnehmungen 11 in den Schiebern 5 und 6 eintauchen. Die Kante 12 des Schiebers bewegt den Ring in die Ausnehmung 11 des gegenüber liegenden Schiebers und taucht teilweise in die Ausnehmung im Schlüsselschaft ein. FIG. 2 2a shows the fully inserted key and the slides 5 and 6 moved during the core rotation, in which the rings 4 dip into corresponding recesses 11 in the slides 5 and 6. The edge 12 of the slider moves the ring into the recess 11 of the opposite slider and partially immersed in the recess in the key shank.

Da es sich bei dem eingeführten bzw. dargestellten Schlüssel um einen passenden, also richtig codierten Schlüssel handelt, befinden sich die Nasen 14 der Schieber 5 innerhalb des Zylinderkemumfanges, also unterhalb der Trennebene, so dass der Zylinderkern zur Ausführung eines Schließvorganges gedreht werden kann.Since the inserted or illustrated key is a suitable, ie correctly coded, key, the lugs 14 of the slide 5 are located within the cylinder core circumference, ie below the parting plane, so that the cylinder core can be rotated to carry out a closing operation.

Figur 3a zeigt die Lagerung der Ringe 4 auf der gemeinsamen Achse 10 im Schlüsselschaft FIG. 3a shows the mounting of the rings 4 on the common axis 10 in the key shank

Schließlich sei noch auf die Figur 2b hingewiesen, die die Anordnung eines Taststiftes 15 im Zylinderkern zeigt.
Dieser Stift tastet das Vorhandensein von mindestens einem Ring 4 ab und wird beim Drehen des Zylinderkerns von dem Ring 4 an die Trennebene gedrückt.
Fehlt der Ring ganz oder hat er nicht den richtigen Durchmesser, dann kann der normale Gehäusestift 17 - nach einer halben Drehung des Zylinderkerns - in die Bohrung des Taststiftes 15 eintauchen und damit ein Weiterdrehen des Zylinderkerns verhindern.Finally, be on the FIG. 2b pointed, showing the arrangement of a stylus 15 in the cylinder core.
This pin scans the presence of at least one ring 4 and is pressed upon rotation of the cylinder core of the ring 4 to the parting plane.
If the ring is missing completely or if it does not have the correct diameter, then the normal housing pin 17 - after half a turn of the cylinder core - can plunge into the bore of the stylus 15 and thus prevent further rotation of the cylinder core.

Entsprechendes gilt bei einer Drehung des Zylinderkerns in die andere Drehrichtung.The same applies to a rotation of the cylinder core in the other direction.

Claims (4)

  1. A lock and key system, comprising a lock cylinder housing (3) having a cylinder core (2) which is rotatably mounted therein and in the keyway of which a flat key (1) may be inserted, which flat key has, on its flat side, a coding which may be registered in the lock cylinder, wherein, with a non-matching coding, a blocking element mounted in the cylinder core (2) may be displaced over the parting plane of the cylinder core and the lock cylinder housing into a recess in the lock cylinder housing and thus prevents the rotation of the cylinder core,
    characterised in that
    - the coding comprises rings (4) arranged in a recess in the key shaft, which are fixed in the key by a common spindle (10) arranged in the longitudinal key-shaft plane but may be displaced transversely to the longitudinal key-shaft plane,
    - an appropriate clearance is provided in the cylinder core (2) to enable the insertion of the key with the rings in the keyway,
    - the clearance (9) is widened at a defined point in the keyway in such a way that the rings (4) may be displaced transversely to the longitudinal key-shaft plane,
    - this displacement takes place by means of two blocking elements (5, 6), which are associated with the rings (4), may be moved transversely to the longitudinal key-shaft plane, are arranged on both sides of the keyway in the cylinder core and are each in engagement with two rings (4),
    wherein, with a non-matching coding of the key, which is defined by the transverse displacement of the rings (4), the blocking elements (5, 6) can reach into the recesses (13) of the lock cylinder housing (3), passing over the parting plane.
  2. A lock and key system according to Claim 1,
    characterised in that
    the blocking elements (5, 6) are constructed as slide mechanisms.
  3. A lock and key system according to Claim 2,
    characterised in that
    the slide mechanisms have different recesses (11), which are in engagement with the periphery of the rings (4).
  4. A lock and key system according to one of the preceding claims,
    characterised in that
    a scanning element or scanning pin (15) is provided in the cylinder core, which scanning element or scanning pin detects the presence of at least one ring (4) and, if the ring is absent, prohibits the cylinder core (2) from rotating.
EP15160964.1A 2014-04-08 2015-03-26 Lock and key system Active EP2930290B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014005431.4A DE102014005431B4 (en) 2014-04-08 2014-04-08 Lock and key system

Publications (2)

Publication Number Publication Date
EP2930290A1 EP2930290A1 (en) 2015-10-14
EP2930290B1 true EP2930290B1 (en) 2017-02-15

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EP15160964.1A Active EP2930290B1 (en) 2014-04-08 2015-03-26 Lock and key system

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DE (1) DE102014005431B4 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO2748426T3 (en) * 2015-07-22 2018-03-24
IL268743B2 (en) * 2019-08-15 2023-12-01 Mul T Lock Technologies Ltd Movable key combination elements for shear line activation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518743A1 (en) * 1985-05-24 1986-11-27 DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl LOCKING CYLINDER AND FLAT KEY
FR2762345B1 (en) * 1997-04-22 1999-07-02 Thirard Ets FLAT KEY
DE10058590C1 (en) * 2000-11-25 2002-07-25 Dom Sicherheitstechnik Key and associated locking cylinder
RU2403359C1 (en) * 2007-07-25 2010-11-10 "Мауер Локинг Системс" Лтд Cylindrical lock with according key and blank key

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DE102014005431A1 (en) 2015-10-08
DE102014005431B4 (en) 2016-10-27

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