EP3971371B1 - Lock and key system - Google Patents

Lock and key system Download PDF

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Publication number
EP3971371B1
EP3971371B1 EP21197676.6A EP21197676A EP3971371B1 EP 3971371 B1 EP3971371 B1 EP 3971371B1 EP 21197676 A EP21197676 A EP 21197676A EP 3971371 B1 EP3971371 B1 EP 3971371B1
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EP
European Patent Office
Prior art keywords
key
lock
coding
core
core pins
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
EP21197676.6A
Other languages
German (de)
French (fr)
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EP3971371C0 (en
EP3971371A1 (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
Original Assignee
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.)
Filing date
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Application filed by Assa Abloy Sicherheitstechnik GmbH filed Critical Assa Abloy Sicherheitstechnik GmbH
Publication of EP3971371A1 publication Critical patent/EP3971371A1/en
Application granted granted Critical
Publication of EP3971371C0 publication Critical patent/EP3971371C0/en
Publication of EP3971371B1 publication Critical patent/EP3971371B1/en
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Anticipated expiration legal-status Critical

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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
    • E05B27/0039—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with pins which slide and rotate about their axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/007—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key with U- or V-shaped cross-section
    • 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 housing with a cylinder core rotatably mounted therein, in the keyway of which a key can be inserted and core pins which can be aligned by coding on the key shank and which interact with at least one radially displaceable locking strip which extends beyond the parting plane Cylinder core / lock cylinder housing can be pushed into a recess in the lock cylinder housing in order to prevent rotation of the cylinder core - and thus the execution of a locking process - in the event of incorrect coding of the key.
  • the key shank of such flat keys is usually provided with notches on the key face side and has profiles on both sides.
  • the notches and the profiling together form a coding that is specific to each key.
  • a lock/key system is known in which the key shank and correspondingly the key channel are arcuate in the longitudinal direction, with the key shank forming a quarter or half arc when viewed in cross section.
  • the turning of the key is blocked or released by means of a rotatable scanning lever adapted to the inner contour.
  • a key-lock system which has core pins which can be rotated about their longitudinal axis and which are resiliently mounted in bores in the cylinder core and which interact with a radially displaceable locking bar.
  • the coding designed and arranged according to the invention cannot be reproduced with conventional copying machines, but requires special tools, in particular milling cutters.
  • the cylinder core 4 is rotatably mounted in the key channel of the key 1 can be inserted in a known manner.
  • two rows of core pins 3 arranged parallel to one another in the longitudinal direction are provided in the cylinder core 4, which are rotatably and axially displaceably mounted in bores of the cylinder core. They are supported on springs 7, these springs sitting with one spring end in the franking in the core 4 and with the other spring end in the core pin.
  • This controls the rotation of the pens so that the heads of the finger pens (see Fig figure 2 ) can create targeted at the lowest point of coding 5.6 in the key shank or when inserting the key shank in the keyway against the spring 7 are axially movable.
  • a coding 5,6 which is located in the inner contour of the key shank (see Fig figure 6 ).
  • the key shank is arched in the longitudinal direction, ie seen in cross section, the key shank forms a quarter or half arch (see Fig figure 6 ).
  • the key channel formed in the cylinder core 4 into which the key shank can be inserted is correspondingly congruent.
  • the above-mentioned coding is formed on the inner contour of the key shank and consists - in the embodiment shown here - of two opposite coding planes 5 and 6, which run along or parallel to the longitudinal edges of the key shank.
  • the heads of the core pins 3 interact with the coding, which consists of depressions and elevations, i.e. when the key shank is inserted into the keyway, the core pins are rotated about their longitudinal axis or shifted axially in the bore in the cylinder core, i.e. aligned in height.
  • housing pins there are no housing pins that interact with the core pins.
  • housing pins can also be used.
  • the core pins 3 interact with the locking strips 8 arranged in the cylinder core 4 in a radially displaceable manner. Controlled by corresponding recesses 9 on the core pins 3, these locking bars are radially displaced in a known manner in such a way that they - depending on the contact or contact of the pin 10 of the locking bar 8 on the core pins - are moved radially in the cylinder core, so that they are incorrectly coded can enter via the parting plane cylinder core / lock cylinder housing in a recess 12 in the lock cylinder housing 2 to prevent rotation of the cylinder core.
  • the locking bar 8 or the locking bars - in the illustrated embodiment - are supported on both sides by springs 11 so that the core pins can move freely opposite.

Landscapes

  • 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 Schlüssel einführbar ist und durch eine Codierung am Schlüsselschaft ausrichtbare Kernstifte,, die mit minsestens einer radial verschiebbaren Sperrleiste zusammen wirken, die über die Trennebene Zylinderkern/Schließzylindergehäuse in eine Ausnehmung im Schließzylindergehäuse schiebbar ist, um bei unrichtiger Codierung des Schlüssels eine Drehung des Zylinderkerns - und damit die Ausführung eines Schließvorgangs - zu verhindern.The invention relates to a lock/key system, comprising a lock cylinder housing with a cylinder core rotatably mounted therein, in the keyway of which a key can be inserted and core pins which can be aligned by coding on the key shank and which interact with at least one radially displaceable locking strip which extends beyond the parting plane Cylinder core / lock cylinder housing can be pushed into a recess in the lock cylinder housing in order to prevent rotation of the cylinder core - and thus the execution of a locking process - in the event of incorrect coding of the key.

Üblicherweise ist der Schlüsselschaft derartiger Flachschlüssel schlüsselbrustseitig mit Kerben versehen und weist beidseitg Profilierungen auf. Die Kerben und die Profilierung bilden zusammen eine Codierung, die für jeden Schlüssel typisch ist.The key shank of such flat keys is usually provided with notches on the key face side and has profiles on both sides. The notches and the profiling together form a coding that is specific to each key.

Nachteilig ist, dass dieser Schlüsseltyp mittels herkömmlicher Kopiermaschinen einfach kopierbar ist, so dass deren Nachfertigung kaum Probleme bereitet.The disadvantage is that this type of key can be easily copied using conventional copying machines, so that their reproduction hardly causes any problems.

Aus der US 2020/0224454A1 ist ein Schloss - Schlüssel - System bekannt, bei dem der Schlüsselschaft und entsprechend der Schlüsselkanal in Längsrichtung bogenförmig ausgebildet sind, wobei der Schlüsselschaft im Querschnitt gesehen, einen Viertel-oder Halbbogen bildet. Mittels eines entsprechend an die Innenkontur angepassten drehbaren Abtasthebels erfolgt eine Sperrung oder Freigabe der Drehung de Schlüssels.From the US2020/0224454A1 a lock/key system is known in which the key shank and correspondingly the key channel are arcuate in the longitudinal direction, with the key shank forming a quarter or half arc when viewed in cross section. The turning of the key is blocked or released by means of a rotatable scanning lever adapted to the inner contour.

Aus der DE 10 2009 026117 A1 ist ein Schlüssel-Schloss System bekannt, das um ihre Längsachse drehbare Kerstifte aufweist, die in Bohrungen im Zylinderkern federnd gelagert sind, und die mit einer radial verschiebbaren Sperrleiste wechelwirken.From the DE 10 2009 026117 A1 a key-lock system is known which has core pins which can be rotated about their longitudinal axis and which are resiliently mounted in bores in the cylinder core and which interact with a radially displaceable locking bar.

Aufgabe der Erfindung ist es, ein Schloss - Schlüssel - System vorzuschlagen, das einen besseren Kopierschutz bietet, d.h. dessen Nachfertigung erschwert ist

  • Gelöst wird diese Aufgabe mit einem Schloss - Schlüssel - System, umfassend ein Schließzylindergehäuse mit einem drehbar darin gelagerten Zylinderkern in dessen Schlüsselkanal ein Schlüssel einführbar ist und durch eine Codierung am Schlüsselschaft ausrichtbare Kernstifte,, die mit mindestens einer radial verschiebbaren Sperrleiste zusammen wirken, die über die Trennebene Zylinderkern/Schließzylindergehäuse in eine Ausnehmung im Schließzylindergehäuse schiebbar ist, um bei unrichtiger Codierung des Schlüssels eine Drehung des Zylinderkerns - und damit die Ausführung eines Schließvorgangs - zu verhindern.,
    dadurch,
  • dass der Schlüsselschaft und entsprechend der Schlüsselkanal in Längsrichtung bogenförmig ausgebildet sind, wobei der Schlüsselschaft und der Schlüsselkanal im Querschnitt gesehen als Viertel-oder Halbbogen ausgebildet sind,
  • dass die Codierung in der Innenkontur des Schlüsselschafts ausgebildet ist,
  • dass die Kernstifte in Bohrungen im Zylinderkern federnd gelagert und derart positioniert sind, dass die Kernstifte beim Einführen des Schlüsselschafts in den Schlüsselkanal durch die Codierung am Schlüsselschaft um ihre Längsachse drehbar sind, um mit der mindestens einen Sperrleiste, deren radiale Verschiebung zulassend, in Eingriff zu kommen.
The object of the invention is to provide a lock/key system which offers better protection against copying, ie its reproduction is made more difficult
  • This problem is solved with a lock-key system, comprising a lock cylinder housing with a cylinder core rotatably mounted therein, in the keyway of which a key can be inserted and core pins that can be aligned by coding on the key shank, which interact with at least one radially displaceable locking strip, which the dividing plane cylinder core / lock cylinder housing can be pushed into a recess in the lock cylinder housing to rotation of the cylinder core in case of incorrect coding of the key - and to prevent the execution of a closing process.,
    through this,
  • that the key shank and correspondingly the key channel are arc-shaped in the longitudinal direction, with the key shank and the key channel being embodied as a quarter or half arc when viewed in cross section,
  • that the coding is formed in the inner contour of the key shank,
  • that the core pins are resiliently mounted in bores in the cylinder core and positioned in such a way that the core pins are rotatable about their longitudinal axis when the key shank is inserted into the key channel through the coding on the key shank, in order to allowing radial displacement to engage.

Die erfindungsgemäß ausgebildete und angeordnete Codierung lässt sich mit herkömmlichen Kopiermaschinen nicht nachfertigen, sondern erfordert spezielle Werkzeuge, insbesondere Fräser.The coding designed and arranged according to the invention cannot be reproduced with conventional copying machines, but requires special tools, in particular milling cutters.

Die Erfindung soll nachfolgend mit Bezug auf die Zeichnungen näher erläutert werden.The invention will be explained in more detail below with reference to the drawings.

Dabei zeigt:

Fig. 1
eine Seitenansicht des Schließzylinders mit eingeführtem Schlüssel,
Fig. 2
einen Längsschnitt gemäß A- A,
Fig. 3
einen Querschnitt gemäß B - B,
Fig. 4
einen Längsschnitt gemäß C - C,
Fig. 5
eine Teilansicht des Schlüssels und
Fig. 6
einen Querschnitt gemäß D - D
It shows:
1
a side view of the lock cylinder with the key inserted,
2
a longitudinal section according to A- A,
3
a cross section according to B - B,
4
a longitudinal section according to C - C,
figure 5
a partial view of the key and
6
a cross-section according to D - D

im Schließzylinder 2 ist in bekannter Weise der Zylinderkern 4 drehbar gelagert in dessen Schlüsselkanal der Schlüssel 1 einführbar ist.in the lock cylinder 2, the cylinder core 4 is rotatably mounted in the key channel of the key 1 can be inserted in a known manner.

Bei der hier dargestellten Ausführung sind im Zylinderkern 4 zwei parallel zueinander in Längsrichtung angeordnete Reihen mit Kernstiften 3 vorgesehen, die in Bohrungen des Zylinderkerns dreh- und axial verschiebbar gelagert sind. Sie stützen sich auf Federn 7 ab, wobei diese Federn mit einem Federende in der Freimachung im Kern 4 und mit dem anderen Federende im Kernstift sitzen. Dadurch wird die Drehbewegung der Stifte gesteuert, so dass sich die Köpfe der Fingerstifte (siehe Figur 2) gezielt an den tiefsten Punkt der Codierung 5,6 im Schlüsselschaft anlegen können bzw. beim Einführen des Schlüsselschaftes in den Schlüsselkanal gegen die Feder 7 axial bewegbar sind.In the embodiment shown here, two rows of core pins 3 arranged parallel to one another in the longitudinal direction are provided in the cylinder core 4, which are rotatably and axially displaceably mounted in bores of the cylinder core. They are supported on springs 7, these springs sitting with one spring end in the franking in the core 4 and with the other spring end in the core pin. This controls the rotation of the pens so that the heads of the finger pens (see Fig figure 2 ) can create targeted at the lowest point of coding 5.6 in the key shank or when inserting the key shank in the keyway against the spring 7 are axially movable.

Mit den Kernstiften 3 wirkt eine Codierung 5,6 zusammen, die sich in der Innenkontur des Schlüsselschaftes befindet (siehe Figur 6).A coding 5,6, which is located in the inner contour of the key shank (see Fig figure 6 ).

Der Schlüsselschaft ist In Längsrichtung bogenförmig ausgebildet, d.h. im Querschnitt gesehen, bildet der Schlüsselschaft einen Viertel-oder Halbbogen (siehe Figur 6).The key shank is arched in the longitudinal direction, ie seen in cross section, the key shank forms a quarter or half arch (see Fig figure 6 ).

Entsprechend kongruent ist der im Zylinderkern 4 ausgebildete Schlüsselkanal geformt in den der Schlüsselschaft einführbar ist.The key channel formed in the cylinder core 4 into which the key shank can be inserted is correspondingly congruent.

Die vorstehend erwähnte Codierung ist an der Innenkontur des Schlüsselschaftes ausgebildet und besteht - bei der hier gezeigten Ausführung - aus zwei sich gegenüber liegenden Codierebenen 5 und 6, die entlang oder parallel zu den Längskanten des Schlüsselschaftes verlaufen.The above-mentioned coding is formed on the inner contour of the key shank and consists - in the embodiment shown here - of two opposite coding planes 5 and 6, which run along or parallel to the longitudinal edges of the key shank.

Mit der Codierung, die aus Vertiefungen und Erhöhungen besteht, wirken die Köpfe der Kernstifte 3 zusammen, d.h. beim Einführen des Schlüsselschaftes in den Schlüsselkanal werden die Kernstifte um ihre Längsachse gedreht bzw. in der Bohrung in Zylinderkern axial verschoben, also in der Höhe ausgerichtet.The heads of the core pins 3 interact with the coding, which consists of depressions and elevations, i.e. when the key shank is inserted into the keyway, the core pins are rotated about their longitudinal axis or shifted axially in the bore in the cylinder core, i.e. aligned in height.

Beim dargestellten Ausführungsbeispiel sind keine Gehäusestifte vorgesehen, die mit den Kernstiften zusammen wirken. Zusätzlich können jedoch auch Gehäusestifte Anwendung finden.In the illustrated embodiment, there are no housing pins that interact with the core pins. In addition, however, housing pins can also be used.

Bei dem dargestellten Ausführungsbeispiel wirken die Kernstifte 3 mit im Zylinderkern 4 radial verschiebbar angeordneten Sperrleisten 8 zusammen. Durch entsprechende Ausnehmungen 9 an den Kernstiften 3 gesteuert, werden diese Sperrleisten in bekannter Weise derart radial verschoben, dass sie - je nach Berührung bzw. Anliegen der Zapfen 10 der Sperrleiste 8 an den Kernstiften - im Zylinderkern radial bewegt werden, sodass sie bei unrichtiger Codierung über die Trennebene Zylinderkern/Schließzylindergehäuse in eine Ausnehmung 12 im Schließzylindergehäuse 2 eintreten können , um eine Drehung des Zylinderkerns zu verhindern. Die Sperrleiste 8 bzw. die Sperrleisten - im dargestellten Ausführungsbeispiel - sind beidseitig durch Federn 11 abgestützt, so dass sich die Kernstifte frei gegenüber bewegen können.In the exemplary embodiment shown, the core pins 3 interact with the locking strips 8 arranged in the cylinder core 4 in a radially displaceable manner. Controlled by corresponding recesses 9 on the core pins 3, these locking bars are radially displaced in a known manner in such a way that they - depending on the contact or contact of the pin 10 of the locking bar 8 on the core pins - are moved radially in the cylinder core, so that they are incorrectly coded can enter via the parting plane cylinder core / lock cylinder housing in a recess 12 in the lock cylinder housing 2 to prevent rotation of the cylinder core. The locking bar 8 or the locking bars - in the illustrated embodiment - are supported on both sides by springs 11 so that the core pins can move freely opposite.

Claims (8)

  1. Lock-key system, comprising a lock cylinder housing (2) having a cylinder core (4) mounted rotatably therein, into the key channel of which a key (1) is insertable, and core pins (3, 3a) which are alignable on the key shaft by means of a coding (5, 5a, 6) and which interact with at least one radially movable locking bar (8) which are pushable into a recess (12) in the lock cylinder housing (2) across the cylinder core/lock cylinder housing separation plane in order to prevent a rotation of the cylinder core - and thus the execution of a locking process - when there is an incorrect coding of the key,
    wherein
    the key shaft and, correspondingly, the key channel are formed in an arcuate shape in the longitudinal direction, wherein the key shaft and the key channel are formed as a quarter or semi-circular arc viewed in the cross-section,
    wherein the coding (5, 5a, 6) is formed in the internal contour of the key shaft,
    wherein the core pins (3, 3a) are spring-mounted in holes in the cylinder core and are positioned in such a way
    that the core pins (3, 3a) are rotatable around their longitudinal axis when the key shaft is inserted into the key channel by means of the coding (5, 5a, 6) on the key shaft, in order to come into engagement with the at least one locking bar (8), allowing for its radial movement.
  2. Lock-key system according to claim 1,
    characterised in that
    the core pins are axially movable.
  3. Lock-key system according to one of the preceding claims,
    characterised in that
    the core pins are formed as finger pins.
  4. Lock-key system according to one of the preceding claims,
    characterised in that
    the coding (5, 5a, 6) is formed in the internal contour parallel to and along at least one of the key edges running in the longitudinal direction.
  5. Lock-key system according to one of the preceding claims,
    characterised in that
    the coding (5, 5a; 6) is formed in two superimposed planes along the key edges.
  6. Lock-key system according to one of the preceding claims,
    characterised in that
    the coding (5, 6; 5a) is formed on both longitudinal edges of the internal contour of the key shaft and that, correspondingly, two rows of core pins (3, 3a) interact with two movable locking bars (8).
  7. Lock-key system according to one of the preceding claims,
    characterised in that
    the core pins (3, 3a) are connected fixed against rotation with their associated springs (7).
  8. Lock-key system according to one of the preceding claims,
    characterised in that
    the core pins (3, 3a) have multiple recesses (9) for the locking bar (8).
EP21197676.6A 2020-09-18 2021-09-20 Lock and key system Active EP3971371B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020124366.9A DE102020124366A1 (en) 2020-09-18 2020-09-18 Lock and key system

Publications (3)

Publication Number Publication Date
EP3971371A1 EP3971371A1 (en) 2022-03-23
EP3971371C0 EP3971371C0 (en) 2023-07-12
EP3971371B1 true EP3971371B1 (en) 2023-07-12

Family

ID=78085765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21197676.6A Active EP3971371B1 (en) 2020-09-18 2021-09-20 Lock and key system

Country Status (2)

Country Link
EP (1) EP3971371B1 (en)
DE (1) DE102020124366A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499303A (en) * 1968-04-17 1970-03-10 Roy C Spain Cylinder lock
DE3021128C2 (en) 1980-06-04 1987-02-12 C. Ed. Schulte GmbH, 5628 Velbert Cylinder lock for locking systems
AT407891B (en) 1998-06-19 2001-07-25 Evva Werke Cylinder lock with a cylinder housing and with a cylinder plug rotatable therein
DE102009026117B4 (en) 2009-07-07 2015-01-22 C.Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschlossfabrik Lock cylinder with matching key
CA3033153A1 (en) 2016-09-01 2018-03-08 Urbanalps Ag A key for controlling a lock with a cylindrical plug and a lock for validating this key
US10472856B1 (en) * 2018-10-18 2019-11-12 Winloc Ag Cylinder lock and key combination providing extra code combinations

Also Published As

Publication number Publication date
EP3971371C0 (en) 2023-07-12
DE102020124366A1 (en) 2022-03-24
EP3971371A1 (en) 2022-03-23

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