EP3144453B1 - Schlüssel und schlüsselzylinder - Google Patents

Schlüssel und schlüsselzylinder Download PDF

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Publication number
EP3144453B1
EP3144453B1 EP15186135.8A EP15186135A EP3144453B1 EP 3144453 B1 EP3144453 B1 EP 3144453B1 EP 15186135 A EP15186135 A EP 15186135A EP 3144453 B1 EP3144453 B1 EP 3144453B1
Authority
EP
European Patent Office
Prior art keywords
key
cylinder
protrusion
core
cutout
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
EP15186135.8A
Other languages
English (en)
French (fr)
Other versions
EP3144453A1 (de
Inventor
Lars Lundberg
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.)
Dormakaba Deutschland GmbH
Original Assignee
Dormakaba Deutschland 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
Publication date
Application filed by Dormakaba Deutschland GmbH filed Critical Dormakaba Deutschland GmbH
Priority to DK15186135.8T priority Critical patent/DK3144453T3/da
Priority to EP15186135.8A priority patent/EP3144453B1/de
Priority to EP19197077.1A priority patent/EP3597841A1/de
Publication of EP3144453A1 publication Critical patent/EP3144453A1/de
Application granted granted Critical
Publication of EP3144453B1 publication Critical patent/EP3144453B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/06Lock wards
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • E05B19/0094Keys; Accessories therefor protruding elements on the key preventing unauthorized insertion into the keyhole
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042Cylinder 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

Definitions

  • the present invention relates to a key cylinder. Further, the invention relates to a key. Finally, the invention relates to a system comprising a key cylinder and a key.
  • a key cylinder comprising a cylinder core, a cylinder cam and a washer.
  • the cylinder core is provided with a key way for inserting a corresponding key.
  • the key way comprises several core pins, which prevent the cylinder core from rotating in case no or a none-fitting key is inserted into the key way.
  • the cylinder cam is provided for operating a locking bolt.
  • the cylinder core and the cylinder cam are coupled, such that a rotation of the cylinder core leads to a rotation of the cylinder cam. Due to the rotation of the cylinder cam, the locking bolt can be operated in order to lock or unlock a door.
  • the blocking washer is inserted between the cylinder core and the cylinder cam or is inserted in a slot of the cylinder core. Therefore, the cylinder cam is located on a first side and any core pin of the cylinder core is located on a second site of the blocking washer.
  • the blocking washer includes at least one cut-out or at least one protrusion. The cut-out or the protrusion extends in a direction in which a key has to be inserted into the key cylinder. Therefore, the blocking washer provides a further security feature, which has to be fulfilled by a key. In case a key does not comprise a protrusion or a cut-out corresponding to the cut-out or the protrusion of the blocking washer, the key will not match the key cylinder. Therefore, operating the key cylinder is not possible.
  • the blocking washer preferably prevents the key from getting fully inserted into the cylinder core in case the protrusion or the cut-out of the blocking washer does not match the cut-out or the protrusion of the key. Therefore, the key is prevented from moving at least one core pin into an unlocked position such that the key is not able to unlock the cylinder core, such that the cylinder core cannot be rotated. Hence, operating the key cylinder with a key not having a matching protrusion or cut out is prevented.
  • the invention further comprises a key.
  • the key comprises a blade, a key tip, and a key bow.
  • the blade includes a key bit. Further, the blade extends between the key tip and the key bow.
  • the key tip has at least one protrusion or cut-out extending in a direction in which the key has to be inserted into a key cylinder.
  • the protrusion or cut-out is preferably provided on the blade opposite to the key bow.
  • that key is provided whit the above mentioned key cylinder. Therefore only a key comprising a protrusion or cut-out matching the protrusion or cut-out of the blocking washer of the key cylinder can be inserted into the key cylinder.
  • the protrusion or cut-out therefore provides a further security feature which helps to identify a key authorized to operate the key cylinder.
  • the protrusion and the blade of the key or the blocking washer of the key cylinder are formed integrally. Therefore, the blade or the blocking washer are easy to manufacture and are very stable in operating the cylinder cam.
  • the protrusion preferably extends over at least 70 %, preferably at least 80 %, in particular at least 90 % of a thickness of the blade or the key way. Therefore, the protrusion or cut-out has large dimensions, which increases a contact area in case the protrusion or cut-out of a key fits into the corresponding cut-out or protrusion of the key cylinder. Therefore, the protrusion or cut-out allows an additional transmittal of forces between the key and the key cylinder or the blocking washer.
  • the protrusion and / or the cut-out comprise a code pattern. Therefore, the protrusion and / or cut-out allow to further distinguishing between different keys such that the number of possible different keys is increased.
  • the code pattern covers a maximum of 80 %, preferably 70 %, in particular 60 % of the area of the key tip or the key way.
  • the area of the key way is preferably the cross section of the key way, which is left empty in order to allow introducing a blade. Due to said dimensions, the code pattern covers a large area such that the code pattern is clearly distinguishable from other code patterns. Thus, the code pattern provides an increased security. Further, the code pattern can comprise several distinguishable features, such that the code pattern itself allows providing different keys.
  • the protrusion and the cut-out are preferably point symmetric to a central point of the protrusion and / or the cut-out and comprise a code pattern which is set up by the three letters O S O.
  • This allows providing a symmetric key, which can be inserted in different orientations into the key cylinder. Therefore, the handling of the key and the key cylinder is simplified.
  • the invention finally regards a system comprising a key as described above as well as a key cylinder as described above.
  • a system allows for increased security, since there is an additional feature provided which has to be fulfilled by both, the key and the key cylinder, in order to allow the key operating the key cylinder.
  • Said additional feature comprises the combination of protrusion and cutout. Only in case the cut-out matches the protrusion, the key can be fully inserted into the key cam. Only a fully inserted key displaces all core pins of the key cylinder into an unlocked position such that the cylinder core of the key cylinder can be rotated by the key.
  • the key 1 further comprises three protrusions 6 which are provided on the key tip 4. On said key tip 4, the protrusions 6 extend in a direction in which the key 1 has to be inserted into the key cylinder 10.
  • the blocking washer 9 includes a further security feature.
  • the blocking washer 9 comprises three cut-outs 12, which correspond to the protrusions 6 of the key tip 4.
  • the blocking washer 9 is provided in a slot of the cylinder core such that the cylinder cam 8 is located on a first side and any core pin 11 is located on a second side of the blocking washer 9.
  • the protrusions 6 protrude into a direction, in which the key 1 has to be inserted into the key cylinder 10.
  • a length 14 of the protrusions 6 is at least 1.00 mm, preferably 1.5 mm. Therefore, it is ensured that the key bit 3 is prevented from operating the core pins 11 into the unlocked position in case the protrusions 6 do not match the cut-outs 12.
  • the key 1 can only be pushed into a position which is 1.0 mm, preferably 1.5 mm, away from a position in which the key 1 is fully inserted into the key cylinder 10.
  • the protrusions 6 and cut-outs 12 therefore provide an additional security feature.
  • the additional security feature does not limit the number of different key profiles, which is only dependent from the number of core pins 11. Therefore, complex mechanical master key systems can be extended in a low-cost way. Since the blocking washer 9 is a part separate from the cylinder core 7, the blocking washer 9 can be exchanged without changing the key cylinder 10 or key core 7. In particular, the key way 13 will remain equal even in case the blocking washer 9 is exchanged.
  • the blocking washer 9 is coupled to the cylinder cam 8. Only in case the blocking washer 9 is rotated by the key 1, the cylinder cam 8 will be rotated, too. Therefore, the cylinder cam 8 can only be rotated in case the key 1 comprises protrusions 6 which fit into the cut-outs 12 of the blocking washer 9.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (8)

  1. Schlüsselzylinder (10), umfassend
    - einen Zylinderkern (7) mit einer Schlüsselnut (13) zum Einführen eines entsprechenden Schlüssels (1),
    - einen Zylindernocken (8) zum Betätigen eines Sperrriegels, und
    - eine Blockierungsdichtung (9),
    - wobei die Blockierungsdichtung (9) zwischen den Zylinderkern (7) und den Zylindernocken (8) oder in einen Schlitz des Zylinderkerns (7) dergestalt eingeführt wird, dass sich der Zylindernocken (8) auf einer ersten Seite befindet und sich irgendein Kernstift (11) auf einer zweiten Seiten der Blockierungsdichtung (9) befindet, und
    - wobei die Blockierungsdichtung mindestens einen Ausschnitt (12) oder mindestens einen Vorsprung (6) aufweist, der sich in eine Richtung erstreckt, in welche ein Schlüssel (1) in den Schlüsselzylinder (10) eingeführt werden muss,
    - dadurch gekennzeichnet, dass der Vorsprung (6) und/oder der Ausschnitt (12) punktsymmetrisch zu einem zentralen Punkt des Vorsprungs (6) und/oder des Ausschnitts (12) sind/ist und ein Codierungsmuster umfassen, das durch die drei Buchstaben O S O erstellt ist.
  2. Schlüsselzylinder (10) nach Anspruch 1, dadurch gekennzeichnet, dass die Blockierungsdichtung (9) den Schlüssel (1) daran hindert, vollständig in den Zylinderkern (7) eingeführt zu werden, falls der Vorsprung (6) nicht mit dem Ausschnitt (12) zusammenpasst, dergestalt dass der Schlüssel (1) daran gehindert wird, mindestens einen Kernstift (11) in eine entsperrte Stellung zu bewegen.
  3. Schlüssel (1), umfassend
    - einen Halm (2) mit einem Schlüsselbart (3),
    - eine Schlüsselspitze (4), und
    - eine Schlüsselreide (5),
    - wobei sich der Halm (2) zwischen der Schlüsselspitze (4) und der Schlüsselreide (5) erstreckt, und
    - wobei die Schlüsselspitze (4) mindestens einen Vorsprung (6) oder einen Ausschnitt (12) aufweist, der sich in eine Richtung erstreckt, in welche ein Schlüssel in einen Schlüsselzylinder (10) eingeführt werden muss,
    - dadurch gekennzeichnet, dass der Vorsprung (6) und/oder der Ausschnitt (12) punktsymmetrisch zu einem zentralen Punkt des Vorsprungs und/oder des Ausschnitts (12) sind/ist und ein Codierungsmuster umfassen, das durch die drei Buchstaben O S O erstellt wird.
  4. Schlüssel (1) nach Anspruch 3 oder Schlüsselzylinder (10) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Vorsprung (6) und der Halm (2) oder die Blockierungsdichtung (9) einstückig ausgebildet sind.
  5. Schlüssel (1) nach Anspruch 3 oder 4 oder Schlüsselzylinder (10) nach einem der Ansprüche 1, 2 oder 4, dadurch gekennzeichnet, dass sich der Vorsprung (6) oder der Ausschnitt (12) über mindestens 70 %, vorzugsweise mindestens 80 %, insbesondere mindestens 90 % einer Dicke des Halmes (2) oder der Schlüsselnut (13) erstrecken.
  6. Schlüssel (1) nach einem der Ansprüche 3 bis 5 oder Schlüsselzylinder (10) nach einem der Ansprüche 1, 2, 4 oder 5, dadurch gekennzeichnet, dass das Codierungsmuster ein Maximum von 80 %, vorzugsweise 70 %, insbesondere 60 % einer Fläche der Schlüsselspitze (4) oder der Schlüsselnut (13) bedeckt.
  7. Schlüssel (1) nach einem der Ansprüche 3 bis 6 oder Schlüsselzylinder (10) nach einem der Ansprüche 1 oder 2 oder 4 bis 6, dadurch gekennzeichnet, dass der Vorsprung (6) und/oder der Ausschnitt (12) eine Länge (14) in eine Einführrichtung des Schlüssels (1) von mindestens 1,0 Millimeter, vorzugsweise 1,5 Millimeter aufweisen/aufweist.
  8. System (16), umfassend einen Schlüssel (1) nach einem der Ansprüche 3 bis 7 oder Schlüsselzylinder nach einem der Ansprüche 1 oder 2 oder 4 bis 7.
EP15186135.8A 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder Active EP3144453B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK15186135.8T DK3144453T3 (en) 2015-09-21 2015-09-21 Key and key cylinder
EP15186135.8A EP3144453B1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder
EP19197077.1A EP3597841A1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15186135.8A EP3144453B1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19197077.1A Division EP3597841A1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder
EP19197077.1A Division-Into EP3597841A1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder

Publications (2)

Publication Number Publication Date
EP3144453A1 EP3144453A1 (de) 2017-03-22
EP3144453B1 true EP3144453B1 (de) 2019-11-06

Family

ID=54185868

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19197077.1A Withdrawn EP3597841A1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder
EP15186135.8A Active EP3144453B1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19197077.1A Withdrawn EP3597841A1 (de) 2015-09-21 2015-09-21 Schlüssel und schlüsselzylinder

Country Status (2)

Country Link
EP (2) EP3597841A1 (de)
DK (1) DK3144453T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968516A (zh) * 2017-04-05 2017-07-21 江阴市东方锁业有限公司 防盗多排牙花钥匙的锁具系统
AT525622A1 (de) * 2021-06-09 2023-05-15 Evva Sicherheitstechnologie Flachschlüssel mit Flächencodierung und Zylinderschloss

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608069A5 (en) * 1975-09-19 1978-12-15 Dom Sicherheitstechnik Reversible flat key for a cylinder lock
NL1024006C2 (nl) * 2003-07-25 2006-11-14 I Hui Ho Slotkern-sleutel-constructie.
DE102010006886B4 (de) * 2009-10-16 2011-09-01 Assa Abloy Sicherheitstechnik Gmbh Schloss-Schlüsselsystem

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3597841A1 (de) 2020-01-22
DK3144453T3 (en) 2020-01-06
EP3144453A1 (de) 2017-03-22

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