EP3530845B1 - Lock and key system - Google Patents

Lock and key system Download PDF

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Publication number
EP3530845B1
EP3530845B1 EP19157103.3A EP19157103A EP3530845B1 EP 3530845 B1 EP3530845 B1 EP 3530845B1 EP 19157103 A EP19157103 A EP 19157103A EP 3530845 B1 EP3530845 B1 EP 3530845B1
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EP
European Patent Office
Prior art keywords
key
cylinder
segment
coding
lock
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.)
Active
Application number
EP19157103.3A
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German (de)
French (fr)
Other versions
EP3530845A1 (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
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Assa Abloy Sicherheitstechnik GmbH filed Critical Assa Abloy Sicherheitstechnik GmbH
Priority to SI201930018T priority Critical patent/SI3530845T1/en
Publication of EP3530845A1 publication Critical patent/EP3530845A1/en
Application granted granted Critical
Publication of EP3530845B1 publication Critical patent/EP3530845B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
    • 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
    • E05B27/0075—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance by movable rotor elements
    • 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
    • E05B27/0082—Side bar locking

Definitions

  • the invention relates to a lock-key system, comprising a lock cylinder with a cylinder housing and a cylinder core rotatably mounted therein, which has a key channel for inserting a key, which on the key face side has a coding by means of notches which can be scanned by cylinder pins that interact with cylinder housing pins and wherein a radially movable locking strip is provided in the cylinder core, which partially projects beyond the parting plane between the cylinder core and the cylinder housing and is supported in a recess in the inner wall of the cylinder housing.
  • the invention was based on the object of creating a tamper-proof lock cylinder - based on a pin cylinder.
  • the security feature of the disc cylinder is integrated into a pin cylinder. This means a high level of security against pecking and key knocking, as the segments do not protrude into the locking channel when the key is removed.
  • the construction also offers higher core pulling protection and can easily be equipped with anti-snap protection. All that remains is to equip the cylinder housing with a circumferential predetermined breaking point. This must of course coincide with a position of the "grooves" located in the core for the disc segments.
  • the Figure 1 shows the coding 2,3,4 in the key back in the form of notches or recesses.
  • This coding is scanned by radially divided segment disks (segment disk halves) 7, 8 or 16, 17, which are located in the cylinder core 15 at intervals axially along the cylinder core axis are arranged.
  • the cylinder core 15 is rotatably mounted in the lock cylinder housing 5 as usual.
  • the core and housing pins scanning the key notches on the chest are not shown in the figures.
  • the ends of the segment halves are at a distance from each other in the area of the key channel that receives the key back.
  • This position is ensured by the fact that in a clearance 20 in the cylinder core 15 a ball 9 is arranged between the other division of the segment halves 7 and 8, which partially protrudes over the parting plane between the cylinder core and the cylinder housing and is located in a recess 21 in the inner wall of the cylinder housing supports.
  • the locking strip 10 can then dip into a recess in the segment disk 8 or 17.
  • the query of the coding of the key does not work when the key is inserted, but only after a certain angle of rotation of the cylinder core and is carried out in two stages.
  • the first phase / stage it is determined whether the incisions in the back of the key are deep enough.
  • the second phase or when the core is rotated further, the incision position (depth, contour) is queried.
  • the segments are pressed against the cylinder housing wall with spring force so that they rub against them or maintain their position and only query the coding when the core is rotated.
  • the angle of rotation that is necessary so that the ball 9 can move radially is determined by the circumferential length of the recess 12 in the cylinder housing.

Landscapes

  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft ein Schloss-Schlüssel-System, umfassend einen Schließzylinder mit einem Zylindergehäuse und einem drehbar darin gelagerten Zylinderkern, der einen Schlüsselkanal zum Einführen eines Schlüssels aufweist, der schlüsselbrustseitig eine Codierung durch Kerben aufweist, die von Zylinderstiften, die mit Zylindergehäusestiften zusammenwirken, abtastbar sind und wobei im Zylinderkern eine radial bewegbare Sperrleiste vorgesehen ist, die teilweise die Trennebene zwischen Zylinderkern und Zylindergehäuse überragt und sich in einer Ausnehmung in der Innenwand des Zylindergehäuses abstützt.The invention relates to a lock-key system, comprising a lock cylinder with a cylinder housing and a cylinder core rotatably mounted therein, which has a key channel for inserting a key, which on the key face side has a coding by means of notches which can be scanned by cylinder pins that interact with cylinder housing pins and wherein a radially movable locking strip is provided in the cylinder core, which partially projects beyond the parting plane between the cylinder core and the cylinder housing and is supported in a recess in the inner wall of the cylinder housing.

Neben diesen, sogenannten Stiftzylindern, gibt es Scheibenzylinder, bei denen die Codierung durch Einschnitte im Bereich des Schlüsselrückens ausgebildet ist, wobei Segmentscheiben dann die unterschiedlichen Konturen am Schlüssel abfragen. Ein Schloss-Schlüssel System gemäß dem Oberbegriff des vorliegenden unabhängigen Anspruchs offenbart Dokument DE 31 45 063 A1 .In addition to these so-called pin cylinders, there are disk cylinders in which the coding is formed by incisions in the area of the back of the key, with segment disks then querying the different contours on the key. Document discloses a lock-key system according to the preamble of the present independent claim DE 31 45 063 A1 .

Der Erfindung lag die Aufgabe zugrunde, einen manipuliergeschützten Schließzylinder - ausgehend von einem Stiftzylinder - zu schaffen.The invention was based on the object of creating a tamper-proof lock cylinder - based on a pin cylinder.

Gelöst wird diese Aufgabe mit einem Schloss-Schlüssel-System gemäß dem vorliegenden unabhängigen Anspruch. Vorteilhafte Weiterbildungen sind in den abhängigen Patentansprüchen definiert.This object is achieved with a lock-key system according to the present independent claim. Advantageous further developments are defined in the dependent claims.

Es wird das Sicherheitsfeature der Scheibenzylinder in einen Stiftzylinder integriert. Das bedeutet eine hohe Sicherheit gegen das Picken und das Schlüsselschlagen, da die Segmente bei abgezogenem Schlüssel nicht in den Schließkanal ragen. Weiter bietet die Konstruktion einen höheren Kernziehschutz und kann einfach mit einem Anti-Snap-Schutz ausgerüstet werden. Dazu muss nur noch das Zylindergehäuse mit einer umlaufenden Sollbruchstelle ausgerüstet werden. Diese muss natürlich mit einer Position der im Kern befindlichen "Einstiche" für die Scheiben-Segmente übereinstimmen.The security feature of the disc cylinder is integrated into a pin cylinder. This means a high level of security against pecking and key knocking, as the segments do not protrude into the locking channel when the key is removed. The construction also offers higher core pulling protection and can easily be equipped with anti-snap protection. All that remains is to equip the cylinder housing with a circumferential predetermined breaking point. This must of course coincide with a position of the "grooves" located in the core for the disc segments.

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

Fig. 1
eine Seitenansicht des Schlüssels mit Schließzylinder,
Fig. 2
einen Längsschnitt A-A durch den Schließzylinder,
Fig. 3
einen Querschnitt B-B durch den Schließzylinder,
Fig. 4
eine Teilansicht des Schließzylinders mit verdrehtem Schlüssel und
Fig. 5
einen Querschnitt gemäß C-C in Figur 4.
The invention will be explained in more detail below with reference to the drawings.
It shows:
Fig. 1
a side view of the key with lock cylinder,
Fig. 2
a longitudinal section AA through the lock cylinder,
Fig. 3
a cross section BB through the lock cylinder,
Fig. 4
a partial view of the lock cylinder with a twisted key and
Fig. 5
a cross section according to CC in Figure 4 .

Die Figur 1 zeigt die Codierung 2,3,4 im Schlüsselrücken in Form von Kerben oder Ausnehmungen.The Figure 1 shows the coding 2,3,4 in the key back in the form of notches or recesses.

Diese Codierung wird jeweils von radial geteilten Segmentscheiben (Segmentscheibenhälften) 7,8 bzw. 16,17 abgetastet, die im Zylinderkern 15 mit Abständen axial entlang der Zylinderkernachse angeordnet sind.
Der Zylinderkern 15 ist wie üblich im Schließzylindergehäuse 5 drehbar gelagert.
Aus Gründen der Übersichtlichkeit sind die die brustseitigen Schlüsselkerben abtastenden Kern- und Gehäusestifte in den Figuren nicht dargestellt worden.This coding is scanned by radially divided segment disks (segment disk halves) 7, 8 or 16, 17, which are located in the cylinder core 15 at intervals axially along the cylinder core axis are arranged.
The cylinder core 15 is rotatably mounted in the lock cylinder housing 5 as usual.
For the sake of clarity, the core and housing pins scanning the key notches on the chest are not shown in the figures.

Aus dem in Figur 2 dargestellten Querschnitt durch den Schließzylinder 5 und den Zylinderkern 15 ist ersichtlich, dass die Segmentscheibenhälften 7 bzw. 8 den Schlüsselkanal 6 ringförmig umfassen und in ringförmigen Nuten des Zylinderkerns angeordnet sind. Die Federn 13 drücken die Segmenthälften immer radial nach außen, so dass sie an der Zylindergehäuse-Innenwand zur Anlage kommen (Figur 2,3).From the in Figure 2 The cross-section shown through the lock cylinder 5 and the cylinder core 15 shows that the segment disk halves 7 and 8 respectively encompass the key channel 6 in an annular manner and are arranged in annular grooves in the cylinder core. The springs 13 always press the segment halves radially outwards so that they come to rest against the inner wall of the cylinder housing ( Figure 2.3 ).

Dadurch liegen sich die Enden der Segmenthälften im Bereich des Schlüsselkanals, der den Schlüsselrücken aufnimmt, mit Abstand gegenüber.
Diese Position wird mit dadurch gewährleistet, dass in einer Freimachung 20 im Zylinderkern 15 eine Kugel 9 zwischen der anderen Teilung der Segmenthälften 7 und 8 angeordnet ist, die teilweise die Trennebene zwischen Zylinderkern und Zylindergehäuse überragt und sich in einer Ausnehmung 21 in der Innenwand des Zylindergehäuses abstützt.
In eine weitere Ausnehmung 12 in der Innenwand des Zylindergehäuses 5 ragt eine Sperrleiste 10, die radial verschiebbar ist und unter dem Druck der Federn 14 steht.As a result, the ends of the segment halves are at a distance from each other in the area of the key channel that receives the key back.
This position is ensured by the fact that in a clearance 20 in the cylinder core 15 a ball 9 is arranged between the other division of the segment halves 7 and 8, which partially protrudes over the parting plane between the cylinder core and the cylinder housing and is located in a recess 21 in the inner wall of the cylinder housing supports.
A locking strip 10, which is radially displaceable and is under the pressure of the springs 14, protrudes into a further recess 12 in the inner wall of the cylinder housing 5.

Aus der Figur 2 und Figur 5 ist ersichtlich, dass bei einer Drehung des Zylinderkerns sowohl die Sperrleiste 10 wie auch die Kugel 9 aus ihren Ausnehmungen 12 bzw. 21 radial nach innen bewegt werden, sodass auf diese Weise die Segmenthälften über die Schrägen 18 und 19 durch die Kugel 9 bewegt werden und damit sich die beiden Enden der Segmenthälften aufeinander zu bewegen, wobei die Drehrichtung des Zylinderkerns bestimmt, welche der Segmenthälften zur Anlage an der Codierung des Schlüssels kommt.From the Figure 2 and Figure 5 it can be seen that when the cylinder core rotates, both the locking strip 10 and the ball 9 are moved radially inward out of their recesses 12 and 21, so that in this way the segment halves are moved over the bevels 18 and 19 through the ball 9 and so that the two ends of the segment halves move towards one another, the direction of rotation of the cylinder core determining which of the segment halves comes into contact with the coding of the key.

Befindet sich nun - wie in der Figur 5 dargestellt - ein Schlüssel in dem Schlüsselkanal, so führt diese Annäherung dazu, dass diese Enden der Segmenthälften in die Kerben Codierung 2,3,4 des Schlüssels gedrückt werden (Abfrage der Codierung), vorausgesetzt, der Schlüssel hat die richtige Codierung.
Bei einem nicht codierten Schlüssel würden sich die beiden Enden nicht ausreichend nähern können, so dass die Sperrwirkung der Kugel 9 eine weitere Drehung des Zylinderkerns und damit die Ausführung eines Schließvorganges verhindern würde. Wären die Codierungen 2,3,4 bis zu ihrer maximalen Tiefe ausgenommen, so könnte zwar die Kugel 9 die Segmenthälften bei Kerndrehung verschieben, aber die Position zum Eintauchen der Sperrleiste 10 wäre nicht korrekt. Passt der Schlüssel jedoch, dann legen sich die Enden der Segmenthälften in die Codierung und die Kugel 9 wie auch die Sperrleiste 10 bewegen sich beim Drehen des Zylinderkerns radial auf die Zylinderkernachse zu, sodass der Zylinderkern zur Auslösung eines Schließvorganges weiter gedreht werden kann.Is now - as in the Figure 5 shown - a key in the key channel, this approach leads to the fact that these ends of the segment halves are pressed into the notches coding 2,3,4 of the key (query of the coding), provided that the key has the correct coding.
With a non-coded key, the two ends would not be able to approach each other sufficiently so that the locking effect of the ball 9 would prevent further rotation of the cylinder core and thus the execution of a locking process. If the codes 2, 3, 4 were excluded to their maximum depth, the ball 9 could indeed move the segment halves when the core rotates, but the position for immersing the locking bar 10 would not be correct. If the key fits, however, then the ends of the segment halves are placed in the coding and the ball 9 as well as the locking strip 10 move radially towards the cylinder core axis when the cylinder core is rotated, so that the cylinder core can be rotated further to trigger a closing process.

Die Sperrleiste 10 kann dann in eine Ausnehmung in der Segmentscheibe 8 bzw. 17 eintauchen.The locking strip 10 can then dip into a recess in the segment disk 8 or 17.

Aus den vorstehenden Ausführungen ergibt sich, dass die Abfrage der Codierung des Schlüssels allerdings nicht mit Einführen des Schlüssels funktioniert, sondern erst nach einem bestimmten Drehwinkel des Zylinderkerns und ist zweistufig ausgeführt. In der ersten Phase / Stufe wird ermittelt, ob die Einschnitte im Schlüsselrücken tief genug sind. In der zweiten Phase, bzw. wenn der Kern weiter gedreht wird, wird die Einschnittposition (Tiefe, Kontur) abgefragt. Die Segmente werden mit Federkraft an die Zylindergehäusewandung gedrückt, sodass sie daran reiben bzw. ihre Position beibehalten und erst bei Kerndrehung die Codierung abfragen.
Dabei wird der Drehwinkel, der notwendig ist, damit sich die Kugel 9 radial verschieben kann, durch die Umfangslänge der Ausnehmung 12 in dem Zylindergehäuse bestimmt.From the above it follows that the query of the coding of the key does not work when the key is inserted, but only after a certain angle of rotation of the cylinder core and is carried out in two stages. In the first phase / stage it is determined whether the incisions in the back of the key are deep enough. In the second phase, or when the core is rotated further, the incision position (depth, contour) is queried. The segments are pressed against the cylinder housing wall with spring force so that they rub against them or maintain their position and only query the coding when the core is rotated.
The angle of rotation that is necessary so that the ball 9 can move radially is determined by the circumferential length of the recess 12 in the cylinder housing.

BezugszeichenlisteList of reference symbols

11
Schlüsselkey
22
Codiereinschnitte im Bereich des SchlüsselrückensCoding incisions in the area of the back of the key
33
Codiereinschnitte im Bereich des SchlüsselrückensCoding incisions in the area of the back of the key
44th
Codiereinschnitte im Bereich des SchlüsselrückensCoding incisions in the area of the back of the key
55
einen Teil des Schließzylindergehäuses mit den Schnittlinien A-A und B-Bpart of the lock cylinder housing with the section lines A-A and B-B
66th
den Schlüsselkanalthe key channel
77th
eine Hälfte der Segmentscheiben in der Position ohne eingeführten Schlüsselhalf of the segment discs in the position with no key inserted
88th
die andere Hälfte der Segmentscheiben in der Position ohne eingeführten Schlüsselthe other half of the segment discs in the position without the key inserted
99
die Kugelthe ball
1010
die Sperrleistethe locking bar
1111
die Ausnehmung für die Sperrleiste in der Segmentscheibenthe recess for the locking bar in the segment discs
1212
die Ausnehmung für die Sperrleiste im Zylindergehäusethe recess for the locking bar in the cylinder housing
1313
ein Federelement für die Segmentscheibea spring element for the segment disc
1414th
ein Federelement für die Sperrleistea spring element for the locking bar
1515th
den Zylinderkernthe cylinder core
1616
die Hälfte der Segmentscheiben in der Position mit eingeführtem Schlüsselhalf of the segment discs in the position with the key inserted
1717th
die andere Hälfte der Segmentscheiben in der Position mit eingeführtem Schlüsselthe other half of the segment discs in the position with the key inserted
1818th
Anlagefläche Kugel / Segmentscheibe rechtsBall / segment disc contact surface on the right
1919th
Anlagefläche Kugel / Segmentscheibe linksContact surface ball / segment disc on the left
2020th
Bohrung / Freimachung für Kugel im ZylinderkernHole / clearance for ball in the cylinder core
2121st
Ausnehmung im Zylindergehäuse für Kugel, in Schlüssel - AbzugspositionRecess in the cylinder housing for the ball, in the key withdrawal position

Claims (5)

  1. Lock and key system, comprising a lock cylinder (5) having a cylinder housing and a cylinder core (15) rotatably mounted therein, which core has a key channel (6) for inserting a key which has a coding on the key front side that is achieved by notches which can be sensed by cylinder pins which interact with cylinder housing pins, and wherein a radially movable locking bar (10) is provided in the cylinder core, which locking bar partially projects beyond the separating plane between the cylinder core and the cylinder housing and is supported in a recess (12) in the inner wall of the cylinder housing, wherein the key has at least one further coding (2, 3, 4) on the spine of the key, wherein the further coding can be sensed by a segment disc which is mounted in a radial groove in the cylinder core, is divided radially into two segment halves (7, 8), surrounds the key channel in a ring shape and is movable in the groove, characterised in that the segment disc halves are continuously pressed radially outwards by springs (14), wherein in this position the ends of the segment halves (7, 8) opposite one another at the one division in the region of the key spine release the key channel on both sides while they can be rotated by the inserted key against the spring pressure in the circumferential direction by a predetermined angle of rotation, so that a ball (9) provided in a gap between the other division of the segment halves, which ball partially projects beyond the separating plane between the cylinder core and the cylinder housing and is supported in a recess in the inner wall of the cylinder housing, can emerge from the recess (21) and can move radially in the direction of the cylinder core axis, whereby the segment halves are spread and pressed against the coding on the spine of the key and the locking bar (10) can dip into a recess (11) in the segment disc.
  2. Lock and key system according to claim 1, characterised in that a plurality of segment discs and associated codings are provided axially one behind the other on the key spine and in the cylinder core.
  3. Lock and key system according to either of the preceding claims, characterised in that the angle of rotation until complete decoding is determined by the length of the circumferential recess (12) for the locking bar in the cylinder housing.
  4. Lock and key system according to one of the preceding claims, characterised in that the locking bar (10) can dip into a recess in the segment disc if the coding is correct or blocks further rotation if the coding is incorrect.
  5. Lock and key system according to one of the preceding claims, characterised in that the geometries of the segment discs that sense the key spine and the geometries of the coding incisions in the key spine are matched to one another in such a way that a locking system functionality can thereby be implemented.
EP19157103.3A 2018-02-26 2019-02-14 Lock and key system Active EP3530845B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201930018T SI3530845T1 (en) 2018-02-26 2019-02-14 Lock and key system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018104294.9A DE102018104294A1 (en) 2018-02-26 2018-02-26 Lock and key system

Publications (2)

Publication Number Publication Date
EP3530845A1 EP3530845A1 (en) 2019-08-28
EP3530845B1 true EP3530845B1 (en) 2020-09-16

Family

ID=65440831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19157103.3A Active EP3530845B1 (en) 2018-02-26 2019-02-14 Lock and key system

Country Status (6)

Country Link
EP (1) EP3530845B1 (en)
DE (1) DE102018104294A1 (en)
DK (1) DK3530845T3 (en)
ES (1) ES2837449T3 (en)
PL (1) PL3530845T3 (en)
SI (1) SI3530845T1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3000869C2 (en) * 1980-01-11 1985-03-14 C. Ed. Schulte Gmbh, 5620 Velbert Rotary lock cylinder with pin tumblers
DE3145063A1 (en) * 1981-11-13 1983-05-19 Winkhaus, August, 4404 Telgte Lock cylinder
DE3216481A1 (en) * 1982-04-30 1983-11-03 Fa. Aug. Winkhaus, 4404 Telgte Key-actuated lock cylinder
US8261587B2 (en) * 2008-06-05 2012-09-11 Asher Haviv Cylinder protective system
US20140216114A1 (en) * 2013-02-07 2014-08-07 Schlage Lock Company Llc Lockdown cylinder locks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3530845A1 (en) 2019-08-28
PL3530845T3 (en) 2021-03-22
SI3530845T1 (en) 2021-02-26
ES2837449T3 (en) 2021-06-30
DK3530845T3 (en) 2020-12-07
DE102018104294A1 (en) 2019-08-29

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