EP1526233B1 - Lock cylinder, in particular for a door lock - Google Patents

Lock cylinder, in particular for a door lock Download PDF

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Publication number
EP1526233B1
EP1526233B1 EP04017426A EP04017426A EP1526233B1 EP 1526233 B1 EP1526233 B1 EP 1526233B1 EP 04017426 A EP04017426 A EP 04017426A EP 04017426 A EP04017426 A EP 04017426A EP 1526233 B1 EP1526233 B1 EP 1526233B1
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EP
European Patent Office
Prior art keywords
core
housing
pin
sleeve
pin part
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.)
Expired - Lifetime
Application number
EP04017426A
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German (de)
French (fr)
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EP1526233A3 (en
EP1526233A2 (en
Inventor
Klaus Noch
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NOCH, KLAUS
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Individual
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Priority to EP10155090A priority Critical patent/EP2184426A1/en
Publication of EP1526233A2 publication Critical patent/EP1526233A2/en
Publication of EP1526233A3 publication Critical patent/EP1526233A3/en
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Publication of EP1526233B1 publication Critical patent/EP1526233B1/en
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    • 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
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • E05B27/0021—Tumblers or pins having movable parts
    • 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
    • E05B27/0071—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance by means preventing opening by using the bump-technique
    • 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
    • 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

Definitions

  • the invention relates to a lock cylinder, in particular profile cylinder, preferably for a door lock, wherein the lock cylinder is secured against manipulation using the so-called impact technique.
  • Locking cylinders have a housing in which a receiving space for receiving a core is formed.
  • the core is rotatably mounted in the receiving space of the housing.
  • In the core there are a plurality of first receiving bores, which in particular extend radially, starting from the key-receiving lock channel to the outside of the core.
  • In the housing also a plurality of second receiving bores are formed, which are open to the receiving space and also extend radially to the core.
  • the first and second mounting holes are aligned in pairs. In the first receiving holes of the core are closing or core pins, while in the second mounting holes of the housing locking or housing pins are located, which are usually pressed by spring force against the core pins.
  • the core pins are radially disengaged in accordance with the configuration of the key blade.
  • the lock cylinder is opened when the mating surfaces of all pairs of core and housing pins are aligned with the outer surface of the core.
  • Lock cylinder of the aforementioned type are, for example DE-C-199 34 883 .
  • Lock cylinders are generally considered burglar resistant, but unfortunately are not always protected from all types of manipulation. Especially It is disadvantageous if it is not possible to recognize on a lock cylinder not opened with the proper key that it has been opened by manipulation in an inadmissible manner. In addition to the inconvenience associated with a theft inconvenience, the injured party then still has the problem of being unable to prove that the lock cylinder has been opened by unauthorized manipulation.
  • a lock cylinder in which one of the housing pins is formed in two parts and has a sleeve-shaped first pin part and a second pin part received by this with mushroom head.
  • the sleeve bears against the housing pin spring, while the mushroom head end faces the core of the lock cylinder.
  • a lock cylinder which has a plurality of core pins, one of which is in two parts.
  • the object of the invention is to provide a lock cylinder, in particular profile cylinder, against manipulation attempts after the impact technique or other manipulation attempts, with which an alignment of all core and housing pins with the outer surface of the core or inner surface of the housing-receiving space for the core can be achieved is protected.
  • the housing pins is thus formed in two parts, wherein a spring acts between the two pin parts, which biases the one pin part in the direction of the core.
  • the first pin part has a sleeve closed on one side, whose closed end rests against the first spring and whose open end faces the core.
  • the sleeve serves to guide the second pin part and for receiving the spring and the second pin part.
  • the lock cylinder according to the invention comprises a plurality of housing pins and a plurality of core pins, wherein at least one, preferably a plurality of housing pins, are formed in two parts.
  • the two-part design of at least one of the housing pins has the advantage that it is at a bias of the core; as is done in today's usual manipulation attempts by the impact technique, by electro-picking devices or by the single inching in the housing pins, even then comes to a relief of the core when the separation plane or the gap between the two housing pin parts in height the separation level of the housing and core is located. But then the core can not continue to turn. Since it is not clear to the manipulator that the relief of the prestressed core is not due to the fully inserted Case pin occurs, he can not counteract this type of "core relief" also. Thus, there is effective protection against manipulation by utilizing dynamic processes in the housing and core receiving bores.
  • the spring coupling of the at least one two-part housing pin is also advantageous if the extremely unlikely event should occur that the two pin parts are moved apart and a plane between the two apart moving pin parts coincides with the separation plane of the housing and core. Then namely the core can twist or this can not be prevented by the two-part housing pin. But if it comes to a twist, so pulls the spring wire of the spring in the gap between the housing and core, as a result, it comes to a wedging both.
  • This blocking mechanism is basically in DE-C-199 34 883 described, but with the difference that there is the wire in an additional housing bore (without housing pin), while according to the invention described herein, the wire in a housing pin hole, ie a housing bore with housing pin, an additional hole for the wire therefore not required is.
  • the same wedging mechanism is also provided when a part of the two-piece housing pin is sheared due to a strong bias of the core in the housing.
  • Shearing off the two-piece housing pin could be prevented by making the parts or at least part of this housing pin of an extremely resistant material, e.g. Ceramics, consist / consist.
  • an extremely resistant material e.g. Ceramics, consist / consist.
  • the other pin part received by the sleeve has a shank and a widened end.
  • the one pin part is provided with a shank received by the sleeve and a widened end arranged outside the sleeve.
  • the shaft has a greater axial length than the sleeve.
  • the first pin part has a sleeve closed on one side, against the closed end side of the first spring and which is open to the core, and that the second spring and the second pin part of the sleeve are receivable.
  • a two-part housing pin opposite a one-piece formed core pin It is envisaged that a two-part housing pin opposite a one-piece formed core pin.
  • the profile cylinder 10 has a housing 12 and a cylinder core 14, which is rotatably arranged in a receiving space 16 of the housing 12.
  • the cylinder core 14 is provided with an off-center axial locking channel 18, in which the key 20 can be inserted.
  • In the cylinder core 14 are a plurality of rows arranged core pins (in the embodiment, five pins in a row), which are in (first) receiving holes 24 of the cylinder core 14. These receiving bores 24 extend radially through the cylinder core 14 between the closing channel 18 and the outer side 26 of the cylinder core 14.
  • the housing 12 In the housing 12 are a plurality of second mounting holes 28, the number and arrangement of the number and arrangement of the first mounting holes 24 are the same.
  • the second mounting holes 28 extend relative on the receiving space 16 of the housing 12 radially and are in the rotational position of the cylinder core 14 according to the FIGS. 1 to 3 arranged in alignment with the first receiving holes 24.
  • In the first mounting holes 24 are the differently long core pins 30, while housed in the second receiving holes 28 housing pins 32 which are biased by helical compression springs 33 in the direction of the core pins 30.
  • the helical compression springs 33 press via the housing pins 32, the core pins 30 against the disposed in the closing channel 18 ends of the first mounting holes 24.
  • the housing pins 32 extend both within the first and the second mounting holes 24,28, so that a rotation of the cylinder core 14 is prevented by the housing pins 32 ( Fig. 1 ).
  • the core pins 30 are moved radially outwardly, by the key 20.
  • the tuning of the width of the key 20 is so matched to the length of the core pins 30 that they are aligned with inserted key 20 with the outside 26 of the cylinder core 14 , In this situation, the housing pins 32 are completely pressed into the second receiving holes 28, so that now the cylinder core 14 can be rotated ( Fig. 2 ).
  • At least one of the housing pins 32 is formed in two parts.
  • This two-part housing pin 32 has a first pin part 34 and a second pin part 36.
  • a spring 38 acts, which, with appropriate freedom of movement at least to one side of this housing pin 32, for a movement apart of both pin parts provides (helical compression spring).
  • the first pin part 34 is formed in the manner of a sleeve 40, at the bottom of which the housing pin 32 biasing spring of the receiving bore 28 abuts.
  • the open end of the sleeve-shaped first pin part 34 faces the core 14.
  • In the sleeve 40 is at least partially the second pin member 36 and the spring 38.
  • the second pin member 36 itself has a shaft 42 and a widened end 44, wherein the shaft 42 is received by the sleeve 40.
  • the shaft 42 has an axial extent which may be greater or less than the axial extent of the sleeve 40.
  • FIG. 4 This situation is in Fig. 4 shown.
  • the separation plane or the separation area between the two pin parts 34 and 36 now aligned with the separation plane between the housing 12 and the core 14. Since the core 14 is biased, it can now be around the radial clearance between the two pin parts 34 and 36 rotate, but at the same time the movement of the second pin member 36 is prevented in the housing-receiving bore 28, since the second pin member 36 abuts with its widened end 44 against the housing 12.
  • the relief of the housing pin 32 is as if the contact plane between the housing pin 32 and the core pin 30 in height of the separation plane between the housing 12 and core 14 is located.

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  • Lock And Its Accessories (AREA)

Abstract

The closing cylinder has a housing (12) containing a first spring (33) acting on a housing pin (32) and a core (14) rotating in a cavity. A second spring (38) is fitted between the first pin part (34) and the second pin part (36). This spring is stressed in the direction of the core. The first pin part is in the form of a shell, and the second one has a widened end facing the core.

Description

Die Erfindung betrifft einen Schließzylinder, insbesondere Profilzylinder und zwar vorzugsweise für ein Türschloss, wobei der Schließzylinder gegen Manipulationen unter Verwendung der sogenannten Schlagtechnik gesichert ist.The invention relates to a lock cylinder, in particular profile cylinder, preferably for a door lock, wherein the lock cylinder is secured against manipulation using the so-called impact technique.

Schließzylinder weisen ein Gehäuse auf, in dem ein Aufnahmeraum zur Aufnahme eines Kerns ausgebildet ist. Der Kern ist dabei drehbar in dem Aufnahmeraum des Gehäuses gelagert. In dem Kern befinden sich mehrere erste Aufnahmebohrungen, die sich insbesondere radial erstrecken, und zwar ausgehend von dem den Schlüssel aufnehmenden Schließkanal bis zur Außenseite des Kerns. In dem Gehäuse sind ebenfalls mehrere zweite Aufnahmebohrungen ausgebildet, die zum Aufnahmeraum hin offen sind und ebenfalls sich radial zum Kern erstrecken. In einer bestimmten Drehstellung des Kerns fluchten die ersten und zweiten Aufnahmebohrungen jeweils paarweise miteinander. In den ersten Aufnahmebohrungen des Kerns befinden sich Schließ-oder Kernstifte, während sich in den zweiten Aufnahmebohrungen des Gehäuses Sperr- oder Gehäusestifte befinden, die zumeist durch Federkraft gegen die Kernstifte gedrückt sind. Durch Einführen eines Schlüssels in den Schließkanal werden die Kernstifte entsprechend der Ausgestaltung des Schlüsselbartes radial ausgerückt. Der Schließzylinder ist geöffnet, wenn die Berührungsflächen sämtlicher Paare aus Kern- und Gehäusestiften mit der Außenfläche des Kerns fluchten.Locking cylinders have a housing in which a receiving space for receiving a core is formed. The core is rotatably mounted in the receiving space of the housing. In the core there are a plurality of first receiving bores, which in particular extend radially, starting from the key-receiving lock channel to the outside of the core. In the housing also a plurality of second receiving bores are formed, which are open to the receiving space and also extend radially to the core. In a certain rotational position of the core, the first and second mounting holes are aligned in pairs. In the first receiving holes of the core are closing or core pins, while in the second mounting holes of the housing locking or housing pins are located, which are usually pressed by spring force against the core pins. By inserting a key into the lock channel, the core pins are radially disengaged in accordance with the configuration of the key blade. The lock cylinder is opened when the mating surfaces of all pairs of core and housing pins are aligned with the outer surface of the core.

Schließzylinder der zuvor genannten Art sind z.B. aus DE-C-199 34 883 , FR-A-2 312 630 und US-A-3,802,234 bekannt.Lock cylinder of the aforementioned type are, for example DE-C-199 34 883 . FR-A-2 312 630 and US-A-3,802,234 known.

Schließzylinder gelten im allgemeinen als recht einbruchssicher, sind aber vor sämtliche Arten von Manipulationen leider nicht immer geschützt. Besonders nachteilig ist es, wenn man an einem nicht mit dem vorschriftsmäßigen Schlüssel geöffneten Schließzylinder nicht erkennen kann, dass er durch Manipulation in unzulässiger Weise geöffnet wurde. Neben den im Zusammenhang mit einem Diebstahl stehenden Unannehmlichkeiten hat nämlich der Geschädigte dann noch das Problem, nicht nachweisen zu können, dass der Schließzylinder durch unzulässige Manipulation geöffnet wurde.Lock cylinders are generally considered burglar resistant, but unfortunately are not always protected from all types of manipulation. Especially It is disadvantageous if it is not possible to recognize on a lock cylinder not opened with the proper key that it has been opened by manipulation in an inadmissible manner. In addition to the inconvenience associated with a theft inconvenience, the injured party then still has the problem of being unable to prove that the lock cylinder has been opened by unauthorized manipulation.

Bei den in den zuvor genannten Druckschriften beschriebenen Schließzylindern führt der Manipulationsversuch zur Unbrauchbarkeit des Schließzylinders.In the case of the lock cylinders described in the aforementioned documents, the manipulation attempt leads to the usability of the lock cylinder.

Aus US 2002/0189309 A1 ist ein Schließzylinder bekannt, bei dem einer der Gehäusestifte zweiteilig ausgebildet ist und einen hülsenförmigen ersten Stiftteil sowie einen von diesem aufgenommenen zweiten Stiftteil mit Pilzkopf aufweist. Die Hülse liegt an der Gehäusestiftfeder an, während das Pilzkopfende zum Kern des Schließzylinders weist.Out US 2002/0189309 A1 a lock cylinder is known in which one of the housing pins is formed in two parts and has a sleeve-shaped first pin part and a second pin part received by this with mushroom head. The sleeve bears against the housing pin spring, while the mushroom head end faces the core of the lock cylinder.

Aus USA-5 966 971 ist ein Schließzylinder bekannt, der mehrere Kernstifte aufweist, von denen einer zweiteilig ausgebildet ist.Out USA 5,966,971 a lock cylinder is known which has a plurality of core pins, one of which is in two parts.

Ferner ist aus DE 633 753 C ein Zylinderschloss mit einer Nachschließsicherung nach dem Oberbegriff des Anspruchs 1 bekannt, wobei einer der Gehäusestifte mehrteilig ausgeführt ist.Furthermore, it is off DE 633 753 C a cylinder lock with a Nachschließsicherung according to the preamble of claim 1, wherein one of the housing pins is made of several parts.

In jüngster Zeit sind Einbrüche bzw. Einbruchsversuche bekannt geworden, bei denen die sogenannte Schlagtechnik zum Einsatz kam. Hierbei wird ein präparierter Schlüssel, dessen Schlüsselbartprofil gleich dem Profil des Schließkanals ist, mit einem Schlagwerkzeug ruckartig in den Kern getrieben. Durch den Bewegungsimpuls auf den Schlüssel erhalten auch sämtliche Gehäuse- und Kernstifte einen Bewegungsimpuls. Bei geschickter Handhabung der Schlagtechnik ist es möglich, dass die dem Schlüsselbart abgewandten Enden sämtlicher Kernstifte mit der Außenseite des Kerns fluchten, so dass dieser gedreht werden kann. Bei geübter Anwendung der Schlagtechnik hinterlässt diese keinerlei Manipulationsversuchsspuren an dem Schließzylinder, so dass die oben geschilderte Situation bezüglich der Beweislast gegeben ist.In recent times, burglary or burglary attempts have become known in which the so-called striking technique was used. Here, a prepared key whose key bit profile is equal to the profile of the closing channel, driven with a percussion tool jerkily into the core. The movement impulse on the key also gives all housing and core pins a movement impulse. With skillful handling of the impact technique, it is possible that the ends of the key stick facing away from all core pins are aligned with the outside of the core, so that it can be rotated. With practiced application of the striking technique leaves this no Manipulation test traces on the lock cylinder, so that the situation described above in terms of the burden of proof is given.

Die Aufgabe der Erfindung ist es, einen Schließzylinder, insbesondere Profilzylinder, zu schaffen, der gegen Manipulationsversuche nach der Schlagtechnik oder anderen Manipulationsversuchen, mit denen ein Fluchten sämtlicher Kern- und Gehäusestifte mit der Außenfläche des Kerns bzw. Innenfläche des Gehäuse-Aufnahmeraums für den Kern erzielt werden kann, geschützt ist.The object of the invention is to provide a lock cylinder, in particular profile cylinder, against manipulation attempts after the impact technique or other manipulation attempts, with which an alignment of all core and housing pins with the outer surface of the core or inner surface of the housing-receiving space for the core can be achieved is protected.

Zur Lösung dieser Aufgabe wird mit der Erfindung ein Schließzylinder vorgeschlagen, der versehen ist mit den Merkmalen des Anspruchs 1.To solve this problem, a lock cylinder is proposed with the invention, which is provided with the features of claim 1.

Sinngemäß ist also nach der Erfindung mindestens einer der Gehäusestifte zweiteilig ausgebildet, wobei zwischen den beiden Stiftteilen eine Feder wirkt, die den einen Stiftteil in Richtung auf den Kern vorspannt. Der erste Stiftteil weist eine einseitig geschlossene Hülse auf, deren geschlossenes Ende an der ersten Feder anliegt und deren offenes Ende zum Kern weist. Die Hülse dient zur Führung des zweiten Stiftteils und zur Aufnahme der Feder sowie des zweiten Stiftteils. Ferner ist es von Vorteil, wenn der erfindungsgemäße Schließzylinder mehrere Gehäusestifte und mehrere Kernstifte aufweist, wobei mindestens einer, vorzugsweise mehrere der Gehäusestifte, zweiteilig ausgebildet sind.Accordingly, according to the invention, at least one of the housing pins is thus formed in two parts, wherein a spring acts between the two pin parts, which biases the one pin part in the direction of the core. The first pin part has a sleeve closed on one side, whose closed end rests against the first spring and whose open end faces the core. The sleeve serves to guide the second pin part and for receiving the spring and the second pin part. Furthermore, it is advantageous if the lock cylinder according to the invention comprises a plurality of housing pins and a plurality of core pins, wherein at least one, preferably a plurality of housing pins, are formed in two parts.

Die zweiteilige Ausbildung mindestens eines der Gehäusestifte hat den Vorteil, dass es bei einer Vorspannung des Kerns; wie dies bei den heute üblichen Manipulationsversuchen durch die Schlagtechnik, durch Elektro-Pick-Geräte oder auch durch das einzelne Hineinbewegen der Gehäusestifte erfolgt, auch dann zu einer Entlastung des Kerns kommt, wenn sich die Trennungsebene bzw. der Spalt zwischen den beiden Gehäusestiftteilen in Höhe der Trennungsebene von Gehäuse und Kern befindet. Dann aber lässt sich der Kern nicht weiterdrehen. Da für den Manipulierenden nicht erkennbar ist, dass die Entlastung des vorgespannten Kerns nicht auf Grund des vollständig eingeschobenen Gehäusestifts eintritt, kann er dieser Art von "Kernentlastung" auch nicht entgegenwirken. Mithin ist ein wirkungsvoller Schutz gegen Manipulationen unter Ausnutzung dynamischer Vorgänge in den Gehäuse- und Kernaufnahmebohrungen gegeben.The two-part design of at least one of the housing pins has the advantage that it is at a bias of the core; as is done in today's usual manipulation attempts by the impact technique, by electro-picking devices or by the single inching in the housing pins, even then comes to a relief of the core when the separation plane or the gap between the two housing pin parts in height the separation level of the housing and core is located. But then the core can not continue to turn. Since it is not clear to the manipulator that the relief of the prestressed core is not due to the fully inserted Case pin occurs, he can not counteract this type of "core relief" also. Thus, there is effective protection against manipulation by utilizing dynamic processes in the housing and core receiving bores.

Die Federkopplung des mindestens einen zweiteiligen Gehäusestiftes ist auch dann von Vorteil, wenn der äußerst unwahrscheinliche Fall eintreten sollten, dass die beiden Stiftteile auseinander bewegt sind und eine Ebene zwischen den beiden auseinander bewegten Stiftteilen mit der Trennungsebene von Gehäuse und Kern zusammenfällt. Dann nämlich lässt sich der Kern verdrehen bzw. kann dies durch den zweiteiligen Gehäusestift nicht verhindert werden. Kommt es aber zu einer Verdrehung, so zieht sich der Federdraht der Feder in dem Spalt zwischen Gehäuse und Kern, in Folge dessen es zu einer Verkeilung beide kommt. Dieser Blockiermechanismus ist grundsätzlich in DE-C-199 34 883 beschrieben, allerdings mit dem Unterschied, dass sich dort der Draht in einer zusätzlichen Gehäusebohrung (ohne Gehäusestift) befindet, während nach der hier beschriebenen Erfindung der Draht in einer Gehäusestiftbohrung, also einer Gehäusebohrung mit Gehäusestift befindet, eine zusätzliche Bohrung für den Draht demzufolge nicht erforderlich ist. Der gleiche Verkeilmechanismus ist auch dann gegeben, wenn ein Teil des zweiteiligen Gehäusestiftes auf Grund einer starken Vorspannung des Kerns in dem Gehäuse abgeschert wird.The spring coupling of the at least one two-part housing pin is also advantageous if the extremely unlikely event should occur that the two pin parts are moved apart and a plane between the two apart moving pin parts coincides with the separation plane of the housing and core. Then namely the core can twist or this can not be prevented by the two-part housing pin. But if it comes to a twist, so pulls the spring wire of the spring in the gap between the housing and core, as a result, it comes to a wedging both. This blocking mechanism is basically in DE-C-199 34 883 described, but with the difference that there is the wire in an additional housing bore (without housing pin), while according to the invention described herein, the wire in a housing pin hole, ie a housing bore with housing pin, an additional hole for the wire therefore not required is. The same wedging mechanism is also provided when a part of the two-piece housing pin is sheared due to a strong bias of the core in the housing.

Ein Abscheren des zweiteiligen Gehäusestiftes könnte verhindert werden, indem die Teile bzw. zumindest ein Teil dieses Gehäusestiftes aus einem extrem widerstandsfähigen Material, z.B. Keramik, bestehen/besteht.Shearing off the two-piece housing pin could be prevented by making the parts or at least part of this housing pin of an extremely resistant material, e.g. Ceramics, consist / consist.

Man kann ferner Gehäusestifte und Kernstifte unterschiedlicher Materialien einsetzen, um das kinematische Verhalten der Stifte/Stiftpaare zu beeinflussen, was eine weitere Verbesserung des Schlagtechnik- oder Elektro-Pick-Manipuliationsschutzes bedeutet.You can also use housing pins and core pins of different materials to influence the kinematic behavior of the pins / pin pairs, which means a further improvement of the Schlagtechnik- or electro pick Manipuliationschutzes.

Nach der Erfindung ist ferner vorgesehen, dass der von der Hülse aufgenommene andere Stiftteil einen Schaft und ein verbreitertes Ende aufweist. Der eine Stiftteil ist mit einem von der Hülse aufgenommenen Schaft und einem außerhalb der Hülse angeordneten verbreiterten Ende versehen. Durch entsprechende Durchmesserabmessungen des Schaftteils und der Hülse lässt sich das gewünschte radiale Spiel und damit der radiale Versatz des zweiteiligen Gehäusestiftes realisieren.According to the invention, it is further provided that the other pin part received by the sleeve has a shank and a widened end. The one pin part is provided with a shank received by the sleeve and a widened end arranged outside the sleeve. By appropriate diameter dimensions of the shaft part and the sleeve, the desired radial clearance and thus the radial offset of the two-part housing pin can be realized.

Vorzugsweise weist der Schaft eine größere axiale Länge als die Hülse auf.Preferably, the shaft has a greater axial length than the sleeve.

In weiterer vorteilhafter Ausgestaltung der Erfindung ist vorgesehen, dass der erste Stiftteil eine einseitig geschlossene Hülse aufweist, an deren geschlossener Stirnseite die erste Feder anliegt und die zum Kern hin offen ist, und dass die zweite Feder und der zweite Stiftteil von der Hülse aufnehmbar sind.In a further advantageous embodiment of the invention, it is provided that the first pin part has a sleeve closed on one side, against the closed end side of the first spring and which is open to the core, and that the second spring and the second pin part of the sleeve are receivable.

Das Wesen der Erfindung ist in der Erkenntnis zu sehen, dass die zweiteilige Ausbildung zumindest eines der Gehäusestifte mit Druckfederkopplung beider Stiftteile zu einer völlig unkontrollierbaren Auseinanderbewegung beider Stiftteile führt, und zwar wegen der extrem geringen trägen Masse unmittelbar nach dem Aufbringen eines Axialimpulses, wie dies beispielsweise bei Anwendung der Schlagtechnik, eines Elektro-Pick oder dergleichen auf den zweiteiligen Stift führt. Diese Auseinanderbewegung führt zu einer Längenvergrößerung des Stiftes (Abmessung zwischen den einander abgewandten Stirnseiten beider Stiftteile). Damit ist ausgeschlossen, dass dieser Stift bei impulsartiger mechanischer Erregung nicht mit der Außenfläche des Kerns fluchtet, sondern in die jeweils gegenüberliegende Aufnahmebohrung eintaucht, sobald der Impuls abgeklungen ist. Das radiale Spiel beider Stiftteile entlastet den Gehäusestift, wenn dieser auf Grund einer Vorspannung des Kerns aus einer verkanteten Position heraus in das Gehäuse hinein bewegt wird. Diese Gehäusestiftentlastung führt zu einer Entlastung des vorgespannten Kerns innerhalb des Gehäuses, ohne dass dieser sich weiterdrehen lässt.The essence of the invention can be seen in the realization that the two-part design of at least one housing pins with compression spring coupling both pin parts leads to a completely uncontrollable disengagement of the two pin parts, and because of the extremely low inertial mass immediately after the application of an axial pulse, as for example when using the striking technique, an electric pick or the like on the two-piece pen leads. This movement apart leads to an increase in the length of the pin (dimension between the opposite end faces of both pin parts). This ruled out that this pin is not flush with impulsive mechanical excitation with the outer surface of the core, but immersed in the respective opposite receiving bore as soon as the pulse has subsided. The radial play of both pin parts relieves the housing pin when it is moved out of a tilted position into the housing due to a bias of the core. This case pin relief relieves the preloaded core within the case without allowing it to continue to rotate.

Es ist vorgesehen, dass einem zweiteilig ausgebildeten Gehäusestift ein einteilig ausgebildeter Kernstift gegenüberliegt.It is envisaged that a two-part housing pin opposite a one-piece formed core pin.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnung näher erläutert. Im einzelnen zeigen:

Fig. 1
eine Darstellung eines Profilzylinders im Längsschnitt im Verriege- lungszustand ohne Schlüssel,
Fig. 2
eine Darstellung des Profilzylinders im Längsschnitt im Öffnungszu- stand mit Schlüssel,
Fig. 3
eine vergrößerte Darstellung des in den Fign. 1 und 2 mit IIIgekenn- zeichneten Bereichs zur Verdeutlichung des erfindungsgemäßen zweiteiligen Gehäusestifts und
Fig. 4
eine Querschnittsansicht in der Ebene IV-IV der Fig. 3.
The invention will be explained in more detail with reference to an embodiment with reference to the drawing. In detail show:
Fig. 1
a representation of a profile cylinder in longitudinal section in the locked state without a key,
Fig. 2
a representation of the profile cylinder in longitudinal section in the opening state with key,
Fig. 3
an enlarged view of the in the FIGS. 1 and 2 IIIgekenn- marked area to illustrate the two-part housing pin according to the invention and
Fig. 4
a cross-sectional view in the plane IV-IV of Fig. 3 ,

In den Fign. 1 bis 3 ist ein erfindungsgemäßes Ausführungsbeispiel eines Profilzylinders 10 gezeigt. Der Profilzylinder 10 weist ein Gehäuse 12 und einen Zylinderkern 14 auf, der in einem Aufnahmeraum 16 des Gehäuses 12 drehbar angeordnet ist. Der Zylinderkern 14 ist mit einem außermittigen axialen Schließkanal 18 versehen, in den der Schlüssel 20 einsteckbar ist. In dem Zylinderkern 14 befinden sich mehrere reihenweise angeordnete Kernstifte (im Ausführungsbeispiel fünf Stifte in einer Reihe), die sich in (ersten) Aufnahmebohrungen 24 des Zylinderkerns 14 befinden. Diese Aufnahmebohrungen 24 erstrecken sich radial durch den Zylinderkern 14 zwischen dem Schließkanal 18 und der Außenseite 26 des Zylinderkerns 14.In the FIGS. 1 to 3 an inventive embodiment of a profile cylinder 10 is shown. The profile cylinder 10 has a housing 12 and a cylinder core 14, which is rotatably arranged in a receiving space 16 of the housing 12. The cylinder core 14 is provided with an off-center axial locking channel 18, in which the key 20 can be inserted. In the cylinder core 14 are a plurality of rows arranged core pins (in the embodiment, five pins in a row), which are in (first) receiving holes 24 of the cylinder core 14. These receiving bores 24 extend radially through the cylinder core 14 between the closing channel 18 and the outer side 26 of the cylinder core 14.

Im Gehäuse 12 befinden sich mehrere zweite Aufnahmebohrungen 28, deren Anzahl und Anordnung der Anzahl und Anordnung der ersten Aufnahmebohrungen 24 gleichen. Die zweiten Aufnahmebohrungen 28 erstrecken sich bezogen auf den Aufnahmeraum 16 des Gehäuses 12 radial und sind in der Drehposition des Zylinderkerns 14 gemäß den Fign. 1 bis 3 in Flucht mit den ersten Aufnahmebohrungen 24 angeordnet. In den ersten Aufnahmebohrungen 24 befinden sich die unterschiedlich langen Kernstifte 30, während in den zweiten Aufnahmebohrungen 28 Gehäusestifte 32 untergebracht sind, die mittels Schraubendruckfedern 33 in Richtung auf die Kernstifte 30 vorgespannt sind. Die Schraubendruckfedern 33 drücken über die Gehäusestifte 32 die Kernstifte 30 gegen die im Schließkanal 18 angeordneten Enden der ersten Aufnahmebohrungen 24. In dieser Situation erstrecken sich die Gehäusestifte 32 sowohl innerhalb der ersten als auch der zweiten Aufnahmebohrungen 24,28, so dass eine Verdrehung des Zylinderkerns 14 durch die Gehäusestifte 32 verhindert wird (Fig. 1). Bei eingeführtem Schlüssel 20 sind die Kernstifte 30 radial auswärts bewegt, und zwar durch den Schlüssel 20. Die Abstimmung der Breite des Schlüssels 20 ist derart auf die Länge der Kernstifte 30 abgestimmt, dass diese bei eingeführtem Schlüssel 20 mit der Außenseite 26 des Zylinderkerns 14 fluchten. In dieser Situation sind die Gehäusestifte 32 vollständig in die zweiten Aufnahmebohrungen 28 gedrückt, so dass nunmehr der Zylinderkern 14 gedreht werden kann (Fig. 2).In the housing 12 are a plurality of second mounting holes 28, the number and arrangement of the number and arrangement of the first mounting holes 24 are the same. The second mounting holes 28 extend relative on the receiving space 16 of the housing 12 radially and are in the rotational position of the cylinder core 14 according to the FIGS. 1 to 3 arranged in alignment with the first receiving holes 24. In the first mounting holes 24 are the differently long core pins 30, while housed in the second receiving holes 28 housing pins 32 which are biased by helical compression springs 33 in the direction of the core pins 30. The helical compression springs 33 press via the housing pins 32, the core pins 30 against the disposed in the closing channel 18 ends of the first mounting holes 24. In this situation, the housing pins 32 extend both within the first and the second mounting holes 24,28, so that a rotation of the cylinder core 14 is prevented by the housing pins 32 ( Fig. 1 ). When inserted key 20, the core pins 30 are moved radially outwardly, by the key 20. The tuning of the width of the key 20 is so matched to the length of the core pins 30 that they are aligned with inserted key 20 with the outside 26 of the cylinder core 14 , In this situation, the housing pins 32 are completely pressed into the second receiving holes 28, so that now the cylinder core 14 can be rotated ( Fig. 2 ).

Wie man insbesondere anhand von Fig. 3 erkennen kann, ist zumindest einer der Gehäusestifte 32 zweiteilig ausgebildet. Dieser zweiteilige Gehäusestift 32 weist einen ersten Stiftteil 34 sowie einen zweiten Stiftteil 36 auf. Zwischen beiden Stiftteilen wirkt eine Feder 38, die, bei entsprechender Bewegungsfreiheit zumindest zu einer Seite dieses Gehäusestiftes 32, für eine Auseinanderbewegung beider Stiftteile sorgt (Schraubendruckfeder). Der erste Stiftteil 34 ist nach Art einer Hülse 40 ausgebildet, an deren Boden die den Gehäusestift 32 vorspannende Feder der Aufnahmebohrung 28 anliegt. Das offene Ende des hülsenförmigen ersten Stiftteils 34 weist zum Kern 14 hin. In der Hülse 40 befindet sich zumindest teilweise das zweite Stiftteil 36 sowie die Feder 38. Das zweite Stiftteil 36 selbst weist einen Schaft 42 und ein verbreitertes Ende 44 auf, wobei der Schaft 42 von der Hülse 40 aufgenommen ist. Der Schaft 42 weist eine axiale Erstreckung auf, die größer oder kleiner als die axiale Erstreckung der Hülse 40 sein kann.How to particular with reference to Fig. 3 can recognize, at least one of the housing pins 32 is formed in two parts. This two-part housing pin 32 has a first pin part 34 and a second pin part 36. Between two pin parts, a spring 38 acts, which, with appropriate freedom of movement at least to one side of this housing pin 32, for a movement apart of both pin parts provides (helical compression spring). The first pin part 34 is formed in the manner of a sleeve 40, at the bottom of which the housing pin 32 biasing spring of the receiving bore 28 abuts. The open end of the sleeve-shaped first pin part 34 faces the core 14. In the sleeve 40 is at least partially the second pin member 36 and the spring 38. The second pin member 36 itself has a shaft 42 and a widened end 44, wherein the shaft 42 is received by the sleeve 40. The shaft 42 has an axial extent which may be greater or less than the axial extent of the sleeve 40.

Wird nun über den dem zweiteiligen Gehäusestift 32 zugeordneten Kernstift 30 impulsartig eine Kraft ausgeübt, so bewegt sich der Gehäusestift 32 in die Aufnahmebohrung 28 des Gehäuses 12 hinein. Sobald die Vorbewegung des Kernstiftes 30 abgeschlossen ist, wird der zweite Stiftteil 36 entgegengesetzt zur Bewegungsrichtung des Gehäusestiftes 32 zurück zum Kern 14 bewegt, wo er in die Aufnahmebohrung 24 eintaucht. Dies erfolgt direkt und unverzüglich. Der Stiftteil 36 führt also jeweils die zum Stiftteil 34 entgegengesetzte Bewegung aus, so dass nie sichergestellt ist, dass das Stiftteil 36 mit der Außenseite des Kerns 14 fluchtet. Bei impulsartiger Erregung sämtlicher Kernstifte 30 kann also nicht der Fall eintreten, dass sämtliche Berührungsflächenpaare von Gehäuse- und Kernstift mit der Außenfläche des Kerns 14 fluchten, so dass der Profilzylinder zuverlässig gegen derartige Manipulationen geschützt ist.If a force is impulsively exerted via the core pin 30 assigned to the two-part housing pin 32, then the housing pin 32 moves into the receiving bore 28 of the housing 12. Once the forward movement of the core pin 30 is completed, the second pin member 36 is opposite to the direction of movement of the housing pin 32 moves back to the core 14 where it dips into the receiving bore 24. This is done directly and immediately. The pin member 36 thus executes each of the pin member 34 opposite movement, so that it is never ensured that the pin member 36 is aligned with the outside of the core 14. When pulse-like excitation of all core pins 30 so can not be the case that all pairs of contact surfaces of the housing and core pin are aligned with the outer surface of the core 14, so that the profile cylinder is reliably protected against such manipulation.

Neben der Federkopplung der beiden Stiftteile 34 und 36 sorgt auch deren Zweiteiligkeit mit radialem Spiel für einen zuverlässigen Manipulationsschutz. Wird nämlich ausgehend von der Schließsituation gemäß Fig. 3 der Kern 14 gegenüber dem Gehäuse 12 vorgespannt, so kommt es zu einer Verkantung des Gehäusestiftes 34 innerhalb des Übergangs zwischen der Gehäuse-Aufnahmebohrung 28 und der gegenüberliegenden Kern-Aufnahmebohrung 24. Mit anderen Worten verkantet also die Hülse 40 des ersten Stiftteils 34. Wird nun, wie bei den hier interessierenden Manipulationsversuchen, auf den zweiteiligen Gehäusestift 32 eine Kraft zur Bewegung des Gehäusestifts 32 weiter in die Gehäuse-Aufnahmebohrung 28 hinein ausgeübt, so wird diese Bewegung in dem Augenblick beendet, in dem der hülsenförmige erste Stiftteil 34 in die Gehäuse-Aufnahmebohrung 28 hinein bewegt ist. Diese Situation ist in Fig. 4 gezeigt. Die Trennungsebene bzw. der Trennungsbereich zwischen den beiden Stiftteilen 34 und 36 fluchtet nun mit der Trennungsebene zwischen dem Gehäuse 12 und dem Kern 14. Da der Kern 14 vorgespannt ist, lässt er sich nun um das radiale Spiel zwischen den beiden Stiftteilen 34 und 36 verdrehen, womit aber gleichzeitig auch die Bewegung des zweiten Stiftteils 36 in die Gehäuse-Aufnahmebohrung 28 verhindert ist, da der zweite Stiftteil 36 mit seinem verbreiterten Ende 44 gegen das Gehäuse 12 anschlägt. Für den Manipulierenden stellt sich die Entlastung des Gehäusestifts 32 so dar, als ob sich die Berührungsebene zwischen Gehäusestift 32 und Kernstift 30 in Höhe der Trennungsebene zwischen Gehäuse 12 und Kern 14 befindet.In addition to the spring coupling of the two pin parts 34 and 36 also provides the bipartite with radial clearance for reliable protection against manipulation. Namely, starting from the closing situation according to Fig. 3 the core 14 biased relative to the housing 12, so there is a tilting of the housing pin 34 within the transition between the housing-receiving bore 28 and the opposite core-receiving bore 24. In other words, the sleeve 40 of the first pin part 34 tilts. Will now , as with the manipulation attempts of interest here, on the two-part housing pin 32, a force for movement of the housing pin 32 further into the housing receiving bore 28 into it, this movement is terminated at the moment in which the sleeve-shaped first pin part 34 in the housing Receiving bore 28 is moved into it. This situation is in Fig. 4 shown. The separation plane or the separation area between the two pin parts 34 and 36 now aligned with the separation plane between the housing 12 and the core 14. Since the core 14 is biased, it can now be around the radial clearance between the two pin parts 34 and 36 rotate, but at the same time the movement of the second pin member 36 is prevented in the housing-receiving bore 28, since the second pin member 36 abuts with its widened end 44 against the housing 12. For the manipulator, the relief of the housing pin 32 is as if the contact plane between the housing pin 32 and the core pin 30 in height of the separation plane between the housing 12 and core 14 is located.

Claims (5)

  1. Lock cylinder, in particular for a door lock, comprising:
    - a housing (12) comprising a receiving space (16) and at least one receiving bore (28) terminating in the receiving space (16), in which bore a housing pin (32) is arranged that is biased towards the receiving space (16) by means of a first spring (33), and
    - a core (14) rotatably provided in the receiving space (16) and comprising a locking channel (18) for a key and at least one receiving bore (24) for a core pin (30), which bore extends between the locking channel (18) and the outer side of the core (14) and, in a predetermined rotational position, is aligned with the at least one receiving bore (28) of the housing (12),
    - the at least one housing pin (32) comprising a first pin part (34) and a second pin part (36),
    - both pin parts (34, 36) being coupled to each other with a radial play therebetween,
    - the first pin part (34) abutting against the first spring (33),
    - the first pin part (34) comprising a sleeve (40) closed on one side which receives the second pin part (36),
    - the second pin part (36) received by the sleeve (40) comprising a shaft (42) and a widened end (44) that is arranged outside the sleeve (40), and
    - the shaft (42) being received by the sleeve (40) in a tiltable manner,
    characterized in that
    - a second spring (38) is received in the sleeve (40) such that the second spring (38) acts between the first pin part (34) and the second pin part (36), said spring biasing the second pin part (36) toward the core (14).
  2. Lock cylinder of claim 1, characterized in that the shaft (42) has a greater axial length than the sleeve (40).
  3. Lock cylinder of claim 1, characterized in that the shaft (42) has a shorter axial length than the sleeve (40).
  4. Lock cylinder of one of claims 1 to 3, characterized in that the first pin part (34) comprises a sleeve (40) closed on one side, against whose closed end face the first spring (33) abuts and which is open towards the core (14), and in that the second spring (38) and the second pin part (36) are adapted to be received by the sleeve (40).
  5. Lock cylinder of one of claims 1 to 4, characterized in that the housing (12) and the core (14) each comprise a plurality of receiving bores (28, 24) provided with housing or core pins (32, 30), respectively, and in that at least one of the housing pins (32) comprises a first pin part (34) and a spring-loaded second pin part (36).
EP04017426A 2003-10-23 2004-07-23 Lock cylinder, in particular for a door lock Expired - Lifetime EP1526233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10155090A EP2184426A1 (en) 2003-10-23 2004-07-23 Lock cylinder, in particular for a door lock

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10349348A DE10349348B3 (en) 2003-10-23 2003-10-23 Closing cylinder for door lock has second spring between first and second pin parts stressed towards core
DE10349348 2003-10-23
DE202004008507U DE202004008507U1 (en) 2003-10-23 2004-05-28 Lock cylinder, in particular for a door lock
DE4008507 2004-05-28

Publications (3)

Publication Number Publication Date
EP1526233A2 EP1526233A2 (en) 2005-04-27
EP1526233A3 EP1526233A3 (en) 2006-01-25
EP1526233B1 true EP1526233B1 (en) 2010-03-03

Family

ID=34202441

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04017426A Expired - Lifetime EP1526233B1 (en) 2003-10-23 2004-07-23 Lock cylinder, in particular for a door lock
EP10155090A Withdrawn EP2184426A1 (en) 2003-10-23 2004-07-23 Lock cylinder, in particular for a door lock

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10155090A Withdrawn EP2184426A1 (en) 2003-10-23 2004-07-23 Lock cylinder, in particular for a door lock

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EP (2) EP1526233B1 (en)
AT (1) ATE459772T1 (en)
DE (3) DE10349348B3 (en)
ES (1) ES2342061T3 (en)

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DE102004056607A1 (en) * 2004-11-24 2006-06-01 Aug. Winkhaus Gmbh & Co. Kg Cylinder lock, has panel closure tool which projects between core pin and casing pin, and penetrates into recess which faces interlocking bags of core or casing, in closed position
DE102005000035A1 (en) * 2005-04-15 2006-10-19 Aug. Winkhaus Gmbh & Co. Kg lock cylinder
DE102005035011A1 (en) 2005-07-22 2007-01-25 Geminy Solutions Ag Cylinder lock with protection against manipulation by impact
DE102005037196B4 (en) * 2005-08-06 2007-10-11 Geminy Solutions Ag Locking cylinder, in particular profile cylinder, for a closing device such. a door lock
DE102005037194B4 (en) * 2005-08-06 2007-06-21 Geminy Solutions Ag Locking cylinder, in particular profile cylinder, for a closing device such. a door lock
DE102005037195B4 (en) * 2005-08-06 2007-10-11 Geminy Solutions Ag Lock cylinder, in particular profile cylinder, preferably for door locks
ITBO20060044A1 (en) * 2006-01-27 2007-07-28 Cisa Spa ANTI-BREAKING CYLINDER FOR LOCKS
GB0710341D0 (en) * 2007-05-31 2007-07-11 Window Fab & Fixing Supplies Locking device
EP2166179A1 (en) 2008-09-05 2010-03-24 Klaus Noch Lock cylinder, in particular for a door lock
AT508868B1 (en) 2009-07-06 2012-11-15 Evva Sicherheitstechnologie CYLINDER LOCK
CN102182350B (en) * 2011-03-30 2013-01-02 钟永颂 Multi-column spring lock core
EP3103943A1 (en) 2015-06-11 2016-12-14 Rav Bariach (08) Industries Ltd. Improved lock

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DE633753C (en) * 1933-11-19 1936-08-05 Zeiss Ikon Akt Ges Goerz Werk Cylinder lock with tumbler pins consisting of two enveloping parts
DE2038039A1 (en) * 1970-07-31 1972-02-10 Josef Voss KG, 5040 Bruhl Lock cylinder
US3802234A (en) * 1973-02-28 1974-04-09 Emhart Corp Pick-resistant lock construction including jamming feature
FR2312630A1 (en) * 1975-05-30 1976-12-24 Cavers Ets Security tumbler lock mechanism - has additional angularly displaced radial bores with sprung tumblers shaped as a pin with bore diameter sized head
DE8534096U1 (en) * 1985-12-04 1986-01-30 Percic, Mladen, 6000 Frankfurt Cylinder lock with a locking device
CH669632A5 (en) * 1986-03-13 1989-03-31 Ernst Keller
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US6966971B1 (en) 2001-10-31 2005-11-22 Sellars Absorbent Materials, Inc. Absorbent wipe having bonding material logo

Also Published As

Publication number Publication date
ES2342061T3 (en) 2010-07-01
EP2184426A1 (en) 2010-05-12
DE10349348B3 (en) 2005-03-24
ATE459772T1 (en) 2010-03-15
EP1526233A3 (en) 2006-01-25
DE502004010841D1 (en) 2010-04-15
DE202004008507U1 (en) 2005-03-03
EP1526233A2 (en) 2005-04-27

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