EP1523603B1 - Security key and locking cylinder - Google Patents

Security key and locking cylinder Download PDF

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Publication number
EP1523603B1
EP1523603B1 EP03711784A EP03711784A EP1523603B1 EP 1523603 B1 EP1523603 B1 EP 1523603B1 EP 03711784 A EP03711784 A EP 03711784A EP 03711784 A EP03711784 A EP 03711784A EP 1523603 B1 EP1523603 B1 EP 1523603B1
Authority
EP
European Patent Office
Prior art keywords
key
rotor
locking cylinder
recess
locking
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
EP03711784A
Other languages
German (de)
French (fr)
Other versions
EP1523603A1 (en
Inventor
Ernst Keller
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 Schweiz AG
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Individual
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Publication date
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Application filed by Individual filed Critical Individual
Priority to SI200330496T priority Critical patent/SI1523603T1/en
Publication of EP1523603A1 publication Critical patent/EP1523603A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/08—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
    • E05B35/10—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys with master and pass keys
    • 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
    • E05B27/0053—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in for use with more than one key, e.g. master-slave key
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/08—Key guides; Key pins ; Keyholes; Keyhole finders
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/001—Locks for use with special keys or a plurality of keys ; keys therefor with key identifying function
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7446—Multiple keys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7588—Rotary plug
    • Y10T70/7593—Sliding tumblers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7588—Rotary plug
    • Y10T70/7593—Sliding tumblers
    • Y10T70/7599—Transverse of plug
    • Y10T70/7605—Pin tumblers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7684—Plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7802—Multi-part structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7876—Bow or head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7881—Bitting

Definitions

  • the invention relates to a combination of security key and lock cylinder according to the preamble of claim 1.
  • Security key and lock cylinder of the type mentioned have become known in numerous designs. With security keys for high-quality systems, it is essential that these can not be easily copied on relatively simple drilling and milling machines.
  • a security key with a high copy security can be achieved according to EP 0 621 384 B1 of the Applicant, by providing the shaft of the security key with a control element which is designed as a pin and displaceably mounted in the shaft. With an additional locking in the lock cylinder this control can be classified. Such a key can not be copied at a reasonable cost.
  • a so-called spiked key with a similar control has become known from EP 0 802 289. Even with this key, a comparatively high copy security is ensured.
  • a disadvantage of the said security key are the costs incurred by the installation of the mentioned controls and the additional tumblers in the lock cylinder. These controls can also adversely affect the combinatorics.
  • DE 197 45 834 A discloses a reversible key for lock cylinder having two broad side surfaces, each with a set of holes. All tumblers of the lock cylinders are each below the rotor in a cylinder bag. The classification of the tumblers is done with the holes of the downward broadside of the key inserted in the keyway. The two mentioned drilling sets are offset from one another in the longitudinal direction of the key shank. Accordingly, depending on the turning position, the insertion depth of the key is different. The insertion depth is determined by shoulders, which are offset according to the different insertion depth in the longitudinal direction of the key to each other. Since the tumblers do not run radially to the rotor, the pins of the tumbler must be stored against rotation. The corresponding holes must be pushed. In the rest position of the rotor, the key channel is aligned horizontally and accordingly the key must be inserted. A similar key has become known from DE 76 04 852 U.
  • GB-A-2 356 016 a security key and a lock cylinder have become known, wherein an additional control surface of the security key is formed by a laterally bent and projecting nose. In the front of the rotor also a recess is incorporated.
  • a security key and a lock cylinder have become known.
  • the lock cylinder usual pin tumblers and a restoring fuse element are arranged.
  • the restoring securing element is connected to a lever which can be actuated by a key bit of the security key, so that when the key is fully inserted into the keyway, the securing element is displaced into the cylinder core.
  • the security key has a laterally projecting bridging element, which connects the key grip with the key bit and which engages with a fully inserted key in a recess of the rotor.
  • the bridging element has a bore.
  • the invention has for its object to provide a security key and lock cylinder, which offers a high copy protection and can still be produced comparatively inexpensive.
  • the object is achieved in a generic combination of security key and lock cylinder according to claim 1.
  • the front elongated end of the rotor and the rear end of the key shank used to provide additional control surfaces.
  • These control surfaces can be produced particularly inexpensively by depressions and in particular by slots in the extended front end of the rotor.
  • the control surfaces are produced particularly inexpensively by recesses and in particular milling on shoulders of the key shank.
  • the security key may be a reversible key with holes in the key shank or another security key, such as a key or cam key.
  • An essential advantage of the inventive combination of security key and locking cylinder is seen in the fact that it is backward compatible.
  • the security key and the lock cylinder according to the invention can readily be converted into an existing one System to be integrated.
  • a master key is possible, which serves both the already existing lock cylinder and the inventive lock cylinder.
  • the existing security keys can not open the corresponding new lock cylinder.
  • every existing locking system can be expanded and upgraded.
  • the additional control surface at the rear end of the shaft requires a relatively high effort for copying, since additional and usually non-existent tools and special blanks are required.
  • Another advantage of the invention is also seen in that the calculation of a plant is simplified.
  • the combinatorics is substantially increased by the invention and simplifies the subdivision of groups.
  • FIG. 1a shows a security key 1 having a shaft 6 and a handle 14.
  • the key 1 is a so-called flat key or reversible key.
  • the key can also be a spanner or cam key.
  • the shaft 6 has in a conventional manner control bores 7, which are usually incorporated in the broad sides and in the narrow sides of the shaft 6. These control bores 7 serve to classify tumblers, not shown here and known per se, of an associated closing cylinder 2, which, according to FIG. 3 a, has a stator 3 and a rotor 4.
  • the shaft 6 of the key 1 has a front end 6a and a rear end 6b. With the front end 6 a of the key 1 is inserted as usual in a keyway 5 of the rotor 4. By introducing the shaft 6 in the keyway 5, the tumblers mentioned are classified. As a result, the rotor 4 is unlocked and can be rotated on the handle 14 of the key for actuating the lock.
  • the key 1 has at its rear end 6 b additional control surfaces 9, which are formed by laterally projecting shoulders 15 and recesses 13 in these shoulders 15. These control surfaces 9 cooperate with a corresponding control surface 8 of the rotor 4 shown in FIG.
  • the control surface 8 is formed by a recess 10 which is incorporated in an extended front end 4a of the rotor 4 is.
  • the control bores 7 are positioned so that the corresponding tumblers are at closing height when the control surfaces 9 abuts against the control surface 8.
  • the recess 10 can be made for example with a milling tool.
  • the recess 10 is laterally offset as shown in Figure 2a. Accordingly, the control surfaces 9 are also offset laterally in the key 1a.
  • control surfaces 9 are rotationally symmetrical to each other with a reversible key. If the shaft 6 is inserted into the keyway 5, the one or the other shoulder engages in the slot 10, respectively, until a control surface 9 bears against the control surface 8.
  • the control surface 8 forms here a stop for the security key.
  • control surfaces 9' are present, which are each formed by two lateral recesses 13 '.
  • the control surfaces 9 ' are arranged centrally with respect to the plane of the key 1'.
  • the associated rotor 4 ' is shown in FIG. 2b.
  • the recess 10 ' is as shown centrally disposed to the keyway 5 and forms a control surface 8'.
  • the recess 10 ' is here a laterally and frontally open slot.
  • control surfaces 9" are formed by recesses 13 ".
  • the corresponding rotor 4" is shown in Figure 2c.
  • the recess 10 '' is also laterally offset, but in the other direction than in Figure 2a 'The control surface 8''is formed by the slot 10''The slots 10, 10' and 10 '' and the corresponding recesses 13, 13 'and 13 "can also be designed differently.There are also intermediate stages possible.In addition, the slots 10, 10 'and 10" need not necessarily be continuous and linear.
  • Figures 5a to 5h illustrate the large number of closures, which by different recesses 30, 30 ', 30 ", 30"' and 31, 31 ', 31 "and 31"' in the front end of the rotor 4 and 4 'be respect can be.
  • the associated security keys 1 and 1 ' have corresponding control surfaces 9 which cooperate with the control surfaces of these recesses.
  • the invention enables the construction of locking systems with group and Einzelschliessungen.
  • Existing plants can be supplemented with appropriate rotors and keys.
  • the production with rotors extended at the head and keys with the mentioned control surfaces or cams 12 can be produced comparatively inexpensively.
  • the slots or recesses in the elongated head of the rotor can be varied in many ways. Also numerous variations of the control surfaces 9 and shoulders 15 are possible.
  • FIG. 4 shows a lock cylinder half 32, which has a stator 3 and a rotor 4. As can be seen, the front end 4a of the rotor 4 projects beyond the stator 3.
  • the key 1 here is a toothed key with which tumblers 33 can be arranged to release the rotor 4.

Landscapes

  • Lock And Its Accessories (AREA)
  • Burglar Alarm Systems (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

The safety key has a shank which is provided with a plurality of control surfaces for properly positioning tumblers and has a front end and a rear end. At a front end, the rotor of the associated locking cylinder has at least one further control surface, which interacts with a further control surface arranged at the rear end of the shank. The safety key is backward compatible and is relatively difficult to copy.

Description

Die Erfindung betrifft eine Kombination aus Sicherheitsschlüssel und Schliesszylinder nach dem Oberbegriff des Anspruchs 1.The invention relates to a combination of security key and lock cylinder according to the preamble of claim 1.

Sicherheitsschlüssel und Schliesszylinder der genannten Art sind in zahlreichen Ausführungen bekannt geworden. Bei Sicherheitsschlüsseln für hochwertige Anlagen ist es wesentlich, dass diese nicht ohne weiteres auf vergleichsweise einfachen Bohr- und Fräsmaschinen kopiert werden können. Ein Sicherheitsschlüssel mit einer hohen Kopiersicherheit kann gemäss der EP 0 621 384 B1 des Anmelders erreicht werden, indem der Schaft des Sicherheitsschlüssels mit einem Steuerelement versehen wird, das als Stift ausgebildet und im Schaft verschieblich gelagert ist. Mit einer zusätzlichen Zuhaltung im Schliesszylinder kann dieses Steuerelement eingeordnet werden. Ein solcher Schlüssel kann mit vertretbarem Aufwand nicht kopiert werden. Ein sogenannter Zackenschlüssel mit einem ähnlichen Steuerelement ist aus der EP 0 802 289 bekannt geworden. Auch bei diesem Schlüssel ist eine vergleichsweise hohe Kopiersicherheit sichergestellt.Security key and lock cylinder of the type mentioned have become known in numerous designs. With security keys for high-quality systems, it is essential that these can not be easily copied on relatively simple drilling and milling machines. A security key with a high copy security can be achieved according to EP 0 621 384 B1 of the Applicant, by providing the shaft of the security key with a control element which is designed as a pin and displaceably mounted in the shaft. With an additional locking in the lock cylinder this control can be classified. Such a key can not be copied at a reasonable cost. A so-called spiked key with a similar control has become known from EP 0 802 289. Even with this key, a comparatively high copy security is ensured.

Nachteilig bei dem genannten Sicherheitsschlüssel sind die Kosten, welche durch den Einbau der erwähnten Steuerelemente sowie die zusätzlichen Zuhaltungen im Schliesszylinder entstehen. Diese Steuerelemente können zudem die Kombinatorik ungünstig beeinflussen.A disadvantage of the said security key are the costs incurred by the installation of the mentioned controls and the additional tumblers in the lock cylinder. These controls can also adversely affect the combinatorics.

Die DE 197 45 834 A offenbart einen Wendeschlüssel für Schliesszylinder, der zwei Breitseitenflächen mit jeweils einem Satz von Bohrungen aufweist. Sämtliche Zuhaltungen der Schliesszylinder befinden sich jeweils unterhalb des Rotors in einem Zylindersack. Die Einordnung der Zuhaltungen erfolgt mit den Bohrungen der nach unten gerichteten Breitseite des in den Schlüsselkanal eingesetzten Schlüssels. Die beiden genannten Bohrsätze sind in Längsrichtung des Schlüsselschaftes zueinander versetzt. Entsprechend ist je nach Wendestellung die Einstecktiefe des Schlüssels unterschiedlich. Die Einstecktiefe wird durch Schultern bestimmt, die entsprechend der unterschiedlichen Einstecktiefe in der Längsrichtung des Schlüssels zueinander versetzt sind. Da die Zuhaltungen nicht radial zum Rotor verlaufen, müssen die Stifte der Zuhaltung verdrehsicher gelagert werden. Die entsprechenden Bohrungen müssen gestossen werden. In der Ruhestellung des Rotors ist der Schlüsselkanal horizontal ausgerichtet und entsprechend muss der Schlüssel eingesteckt werden. Ein ähnlicher Schlüssel ist aus der DE 76 04 852 U bekannt geworden.DE 197 45 834 A discloses a reversible key for lock cylinder having two broad side surfaces, each with a set of holes. All tumblers of the lock cylinders are each below the rotor in a cylinder bag. The classification of the tumblers is done with the holes of the downward broadside of the key inserted in the keyway. The two mentioned drilling sets are offset from one another in the longitudinal direction of the key shank. Accordingly, depending on the turning position, the insertion depth of the key is different. The insertion depth is determined by shoulders, which are offset according to the different insertion depth in the longitudinal direction of the key to each other. Since the tumblers do not run radially to the rotor, the pins of the tumbler must be stored against rotation. The corresponding holes must be pushed. In the rest position of the rotor, the key channel is aligned horizontally and accordingly the key must be inserted. A similar key has become known from DE 76 04 852 U.

Durch die GB-A-2 356 016 sind ein Sicherheitsschlüssel und ein Schliesszylinder bekannt geworden, wobei eine zusätzliche Steuerfläche des Sicherheitsschlüssels durch eine seitlich abgebogene und vorspringende Nase gebildet wird. In die Frontseite des Rotors ist zudem eine Vertiefung eingearbeitet.By GB-A-2 356 016 a security key and a lock cylinder have become known, wherein an additional control surface of the security key is formed by a laterally bent and projecting nose. In the front of the rotor also a recess is incorporated.

Durch die EP-A-0 128 475 sind ein Sicherheitsschlüssel und ein Schliesszylinder bekannt geworden. Im Schliesszylinder sind übliche Stiftzuhaltungen sowie ein rückstellendes Sicherungselement angeordnet. Das rückstellende Sicherungselement ist mit einem Hebel verbunden, der von einem Schlüsselbart des Sicherheitsschlüssels betätigbar ist, so dass bei vollständig in den Schlüsselkanal eingestecktem Schlüssel das Sicherungselement in den Zylinderkern verlagert ist. Der Sicherheitsschlüssel weist ein seitlich vorstehendes Überbrückungselement auf, welches den Schlüsselgriff mit dem Schlüsselbart verbindet und der bei vollständig eingesetztem Schlüssel in eine Ausnehmung des Rotors eingreift. Zur Aufnahme des Sicherungselementes besitzt das Überbrückungselement eine Bohrung.From EP-A-0 128 475 a security key and a lock cylinder have become known. In the lock cylinder usual pin tumblers and a restoring fuse element are arranged. The restoring securing element is connected to a lever which can be actuated by a key bit of the security key, so that when the key is fully inserted into the keyway, the securing element is displaced into the cylinder core. The security key has a laterally projecting bridging element, which connects the key grip with the key bit and which engages with a fully inserted key in a recess of the rotor. For receiving the securing element, the bridging element has a bore.

Der Erfindung liegt die Aufgabe zugrunde, einen Sicherheitsschlüssel und Schliesszylinder zu schaffen, die einen hohen Kopierschutz bietet und trotzdem vergleichsweise kostengünstig hergestellt werden kann.The invention has for its object to provide a security key and lock cylinder, which offers a high copy protection and can still be produced comparatively inexpensive.

Die Aufgabe ist bei einer gattungsgemässen Kombination aus Sicherheitsschlüssel und Schliesszylinder gemäss Anspruch 1 gelöst. Beim erfindungsgemässen Schlüssel wird das vordere verlängerte Ende des Rotors sowie das hintere Ende des Schlüsselschaftes zur Bereitstellung von weiteren Steuerflächen verwendet. Diese Steuerflächen können besonders kostengünstig durch Vertiefungen und insbesondere durch Schlitze im verlängerten vorderen Ende des Rotors hergestellt werden. Am Sicherheitsschlüssel sind die Steuerflächen besonders kostengünstig durch Ausnehmungen und insbesondere Fräsungen an Schultern des Schlüsselschaftes hergestellt. Der Sicherheitsschlüssel kann ein Wendeschlüssel mit Bohrungen im Schlüsselschaft oder auch ein anderer Sicherheitsschlüssel, beispielsweise ein Zackenschlüssel oder Kurvenschlüssel sein.The object is achieved in a generic combination of security key and lock cylinder according to claim 1. In the inventive key, the front elongated end of the rotor and the rear end of the key shank used to provide additional control surfaces. These control surfaces can be produced particularly inexpensively by depressions and in particular by slots in the extended front end of the rotor. On the security key, the control surfaces are produced particularly inexpensively by recesses and in particular milling on shoulders of the key shank. The security key may be a reversible key with holes in the key shank or another security key, such as a key or cam key.

Ein wesentlicher Vorteil der erfindungsgemässen Kombination aus Sicherheitsschlüssel und Schliesszylinder wird darin gesehen, dass dieser rückwärtskompatibel ist. Der Sicherheitsschlüssel sowie der Schliesszylinder nach der Erfindung können ohne weiteres in eine bereits bestehende Anlage integriert werden. Bei einer auf diese Weise ergänzten Anlage ist ein Generalschlüssel möglich, der sowohl die bereits bestehenden Schliesszylinder als auch die erfindungsgemässen Schliesszylinder bedient. Die bestehenden Sicherheitsschlüssel können jedoch die entsprechenden neuen Schliesszylinder nicht öffnen. Dadurch kann jede bestehende Schliessanlage erweitert und aufgewertet werden. Die zusätzliche Steuerfläche am hinteren Ende des Schaftes bedingt für ein Kopieren einen vergleichsweise hohen Aufwand, da zusätzliche und üblicherweise nicht vorhandene Werkzeuge sowie spezielle Rohlinge erforderlich sind.An essential advantage of the inventive combination of security key and locking cylinder is seen in the fact that it is backward compatible. The security key and the lock cylinder according to the invention can readily be converted into an existing one System to be integrated. In a system supplemented in this way a master key is possible, which serves both the already existing lock cylinder and the inventive lock cylinder. However, the existing security keys can not open the corresponding new lock cylinder. As a result, every existing locking system can be expanded and upgraded. The additional control surface at the rear end of the shaft requires a relatively high effort for copying, since additional and usually non-existent tools and special blanks are required.

Ein weiterer Vorteil der Erfindung wird auch darin gesehen, dass die Berechnung einer Anlage vereinfacht wird. Zudem wir die Flexibilität solcher Anlagen erhöht und es können in einfacher Weise Gruppen gebildet werden, welche die Permutation nicht beeinflussen. Die Kombinatorik wird durch die Erfindung wesentlich erhöht und das Unterteilen von Gruppen vereinfacht.Another advantage of the invention is also seen in that the calculation of a plant is simplified. In addition, we increase the flexibility of such systems and it can be easily formed groups that do not affect the permutation. The combinatorics is substantially increased by the invention and simplifies the subdivision of groups.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features emerge from the dependent claims, the following description and the drawings.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figuren 1a bis 1c
schematisch räumliche Darstellungen erfindungsgemässer Sicherheitsschlüssel,
Figuren 2a bis 2c
schematisch räumliche Ansichten von Rotoren erfindungsgemässer Schliesszylinder,
Figuren 3
schematisch eine Seitenansicht einer Schliesszylinderhälfte und ein teilweise eingesetzter Schlüssel,
Figur 4
eine Ansicht der Frontseite der Schliesszylinderhälfte, wobei hier der Schlüssel weggelassen ist und
Fig. 5a bis 5h
schematisch Frontansichten von Schliesszylindern nach weiteren Varianten.
Embodiments of the invention will be explained in more detail with reference to the drawing. Show it:
FIGS. 1a to 1c
schematic spatial representations of security keys according to the invention,
FIGS. 2a to 2c
schematic spatial views of rotors according to the invention lock cylinder,
Figures 3
schematically a side view of a lock cylinder half and a partially inserted key,
FIG. 4
a view of the front of the lock cylinder half, in which case the key is omitted and
Fig. 5a to 5h
schematic front views of lock cylinders for further variants.

Die Figur 1a zeigt einen Sicherheitsschlüssel 1, der einen Schaft 6 sowie einen Griff 14 besitzt. Der Schlüssel 1 ist ein sogenannter Flachschlüssel bzw. Wendeschlüssel. Der Schlüssel kann aber auch ein Zackenschlüssel oder Kurvenschlüssel sein. Der Schaft 6 besitzt in an sich bekannter Weise Steuerbohrungen 7, die in der Regel in die Breitseiten sowie in die Schmalseiten des Schaftes 6 eingearbeitet sind. Diese Steuerbohrungen 7 dienen zur Einordnung von hier nicht gezeigten und an sich bekannten Zuhaltungen eines zugeordneten Schliesszylinders 2, der gemäss Figur 3a einen Stator 3 sowie einen Rotor 4 aufweist.FIG. 1a shows a security key 1 having a shaft 6 and a handle 14. The key 1 is a so-called flat key or reversible key. The key can also be a spanner or cam key. The shaft 6 has in a conventional manner control bores 7, which are usually incorporated in the broad sides and in the narrow sides of the shaft 6. These control bores 7 serve to classify tumblers, not shown here and known per se, of an associated closing cylinder 2, which, according to FIG. 3 a, has a stator 3 and a rotor 4.

Der Schaft 6 des Schlüssels 1 besitzt ein vorderes Ende 6a sowie ein hinteres Ende 6b. Mit dem vorderen Ende 6a wird der Schlüssel 1 wie üblich in einen Schlüsselkanal 5 des Rotors 4 eingeführt. Durch das Einführen des Schaftes 6 in den Schlüsselkanal 5 werden die erwähnten Zuhaltungen eingeordnet. Dadurch wird der Rotor 4 entsperrt und kann am Griff 14 des Schlüssels zur Betätigung des Schlosses gedreht werden.The shaft 6 of the key 1 has a front end 6a and a rear end 6b. With the front end 6 a of the key 1 is inserted as usual in a keyway 5 of the rotor 4. By introducing the shaft 6 in the keyway 5, the tumblers mentioned are classified. As a result, the rotor 4 is unlocked and can be rotated on the handle 14 of the key for actuating the lock.

Der Schlüssel 1 weist an seinem hinteren Ende 6b zusätzliche Steuerflächen 9 auf, die durch seitlich vorspringende Schultern 15 sowie Ausnehmungen 13 in diesen Schultern 15 gebildet werden. Diese Steuerflächen 9 arbeiten mit einer entsprechenden Steuerfläche 8 des in Figur 2 angezeigten Rotors 4 zusammen. Die Steuerfläche 8 wird durch eine Ausnehmung 10 gebildet, der in ein verlängertes vorderes Ende 4a des Rotors 4 eingearbeitet ist. Die Steuerbohrungen 7 sind so positioniert, dass die entsprechenden Zuhaltungen auf Schliesshöhe sind, wenn die Steuerflächen 9 an der Steuerfläche 8 anliegt. Die Ausnehmung 10 kann beispielsweise mit einem Fräswerkzeug hergestellt werden. Bezüglich des Schlüsselkanals 5 ist die Ausnehmung 10 wie in Figur 2a ersichtlich seitlich versetzt. Entsprechend sind beim Schlüssel 1a die Steuerflächen 9 ebenfalls seitlich versetzt. Die Steuerflächen 9 sind bei einem Wendeschlüssel zueinander drehsymmetrisch. Wird der Schaft 6 in den Schlüsselkanal 5 eingesetzt, so greift die eine oder die andere Schulter jeweils in den Schlitz 10 ein, bis eine Steuerfläche 9 an der Steuerfläche 8 anliegt. Die Steuerfläche 8 bildet hier einen Anschlag für den Sicherheitsschlüssel 1.The key 1 has at its rear end 6 b additional control surfaces 9, which are formed by laterally projecting shoulders 15 and recesses 13 in these shoulders 15. These control surfaces 9 cooperate with a corresponding control surface 8 of the rotor 4 shown in FIG. The control surface 8 is formed by a recess 10 which is incorporated in an extended front end 4a of the rotor 4 is. The control bores 7 are positioned so that the corresponding tumblers are at closing height when the control surfaces 9 abuts against the control surface 8. The recess 10 can be made for example with a milling tool. With regard to the key channel 5, the recess 10 is laterally offset as shown in Figure 2a. Accordingly, the control surfaces 9 are also offset laterally in the key 1a. The control surfaces 9 are rotationally symmetrical to each other with a reversible key. If the shaft 6 is inserted into the keyway 5, the one or the other shoulder engages in the slot 10, respectively, until a control surface 9 bears against the control surface 8. The control surface 8 forms here a stop for the security key. 1

Beim Schlüssel 1' gemäss Figur 1b sind Steuerflächen 9' vorhanden, die jeweils durch zwei seitliche Ausnehmungen 13' gebildet sind. Die Steuerflächen 9' sind bezüglich der Ebene des Schlüssels 1' mittig angeordnet. Der zugehörige Rotor 4' ist in Figur 2b gezeigt. Die Ausnehmung 10' ist wie ersichtlich mittig zum Schlüsselkanal 5 angeordnet und bildet eine Steuerfläche 8'. Die Ausnehmung 10' ist hier ein seitlich und vorne offener Schlitz.When key 1 'according to Figure 1b control surfaces 9' are present, which are each formed by two lateral recesses 13 '. The control surfaces 9 'are arranged centrally with respect to the plane of the key 1'. The associated rotor 4 'is shown in FIG. 2b. The recess 10 'is as shown centrally disposed to the keyway 5 and forms a control surface 8'. The recess 10 'is here a laterally and frontally open slot.

Beim Schlüssel 1" gemäss Figur 1c werden Steuerflächen 9" durch Ausnehmungen 13" gebildet. Der entsprechende Rotor 4" ist in Figur 2c gezeigt. Die Ausnehmung 10" ist ebenfalls seitlich versetzt, jedoch in der anderen Richtung als in Figur 2a. Durch den Schlitz 10" wird die Steuerfläche 8" gebildet. Die Schlitze 10, 10' und 10" sowie die entsprechenden Ausnehmungen 13, 13' und 13" können auch anders ausgebildet sein. Es sind auch Zwischenstufen möglich. Zudem müssen die Schlitze 10, 10' und 10" nicht zwingend durchgehend und linear sein.In the case of the key 1 "according to Figure 1c, control surfaces 9" are formed by recesses 13 ".The corresponding rotor 4" is shown in Figure 2c. The recess 10 '' is also laterally offset, but in the other direction than in Figure 2a 'The control surface 8''is formed by the slot 10''The slots 10, 10' and 10 '' and the corresponding recesses 13, 13 'and 13 "can also be designed differently.There are also intermediate stages possible.In addition, the slots 10, 10 'and 10" need not necessarily be continuous and linear.

Die Figuren 5a bis 5h illustrieren die grosse Anzahl von Schliessungen, welche durch unterschiedliche Ausnehmungen 30, 30', 30", 30"' und 31, 31', 31" und 31"' im vorderen Ende des Rotors 4 bzw. 4' bebildet werden können. Die zugehörigen Sicherheitsschlüssel 1 bzw. 1' weisen entsprechende Steuerflächen 9 auf, die mit den Steuerflächen dieser Ausnehmungen zusammenarbeiten.Figures 5a to 5h illustrate the large number of closures, which by different recesses 30, 30 ', 30 ", 30"' and 31, 31 ', 31 "and 31"' in the front end of the rotor 4 and 4 'bebildet can be. The associated security keys 1 and 1 'have corresponding control surfaces 9 which cooperate with the control surfaces of these recesses.

Wie ersichtlich, ermöglicht die Erfindung den Aufbau von Schliessanlagen mit Gruppen- und Einzelschliessungen. Bereits bestehende Anlagen können mit entsprechenden Rotoren und Schlüsseln ergänzt werden. Die Herstellung mit am Kopf verlängerten Rotoren und Schlüssel mit den genannten Steuerflächen bzw. Nocken 12 können vergleichsweise kostengünstig hergestellt werden. Die Schlitze bzw. Ausnehmungen im verlängerten Kopf des Rotors können auf vielfältige Weise variiert werden. Ebenfalls sind zahlreiche Variationen der Steuerflächen 9 bzw. Schultern 15 möglich.As can be seen, the invention enables the construction of locking systems with group and Einzelschliessungen. Existing plants can be supplemented with appropriate rotors and keys. The production with rotors extended at the head and keys with the mentioned control surfaces or cams 12 can be produced comparatively inexpensively. The slots or recesses in the elongated head of the rotor can be varied in many ways. Also numerous variations of the control surfaces 9 and shoulders 15 are possible.

Die Figur 4 zeigt eine Schliesszylinderhälfte 32, die einen Stator 3 und einen Rotor 4 aufweist. Wie ersichtlich überragt das vordere Ende 4a des Rotors 4 den Stator 3. Der Schlüssel 1 ist hier ein Zackenschlüssel, mit dem Zuhaltungen 33 zur Freigabe des Rotors 4 eingeordnet werden können.FIG. 4 shows a lock cylinder half 32, which has a stator 3 and a rotor 4. As can be seen, the front end 4a of the rotor 4 projects beyond the stator 3. The key 1 here is a toothed key with which tumblers 33 can be arranged to release the rotor 4.

Claims (13)

  1. A safety key and locking cylinder (2), the locking cylinder (2) having a stator (3) and a rotor (4, 24), with a front end and a rear end (4a, 4b) and a keyway (5), and the safety key (1) having an upper and a lower surface (14) and a shank (16) which is provided with a plurality of control surfaces (7) for properly positioning tumblers and has a front end and a rear end (6a, 6b), wherein at its front end, the rotor (4) has at least one further control surface, which interacts with a further control surface (8), arranged at the rear end (6b) of the shank (6), wherein the additional control surface of the rotor is formed by a recess in the extended front end of the rotor, characterized in that the recess (10) as an extension of the keyway (5) extends radially in relation to the axis of the rotor (4, 24) and is open at the front side of the rotor (4, 24, wherein the further control surface (9) of the key is formed by at least one recess (13) of reduced thickness on one shoulder (15) of the key (1, 20).
  2. The key as claimed in claim 1, wherein the extended front end (4a) of the rotor (4, 24) projects at the front of the stator (3).
  3. The key and locking cylinder as claimed in claim 1, wherein the recess is narrower than the keyway (5).
  4. The key and locking cylinder as claimed in claim 3, wherein the recess (10) at the front end (4a) of the rotor (4) passes centrally or in a laterally offset manner through the keyway (5).
  5. The key and locking cylinder as claimed in claim 1, wherein the recess (10) of the rotor (4) has a depth of not more than 0.5 to 3 mm.
  6. The key and locking cylinder as claimed in claim 5, wherein the recess (10) of the rotor (4) has a depth of approximately 1 to 2 mm.
  7. The key and locking cylinder as claimed in claim 1, wherein the further control surface (9) of the key (1, 20) is formed by at least one shoulder (15) at the rear end (6b) of the shank (6).
  8. The key and locking cylinder as claimed in claim 1, wherein at least two shoulders (15) each have a control surface (9).
  9. The key and locking cylinder as claimed in claim 8, wherein it is a turning key and the shank (6) has a plurality of control bores (7) for properly positioning tumblers.
  10. The key and locking cylinder as claimed in claim 1, wherein the recess (30, 31) in the extended front end (4a) of the rotor (4) is closed in the direction of the outside of the rotor.
  11. A locking system with a plurality of safety keys and locking cylinders as claimed in claim 1, wherein the control surfaces (9, 12) of the safety keys (1, 20) differ in shape and/or position.
  12. The locking system as claimed in claim 11, wherein locking cylinders have different further control surfaces (8).
  13. The locking system as claimed in claim 12, wherein the further control surfaces (8) of the locking cylinders are formed by recesses (10) at the front end (4a) of the rotor (4) of different extents and/or in different positions.
EP03711784A 2002-07-24 2003-04-23 Security key and locking cylinder Expired - Lifetime EP1523603B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200330496T SI1523603T1 (en) 2002-07-24 2003-04-23 Security key and locking cylinder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH13032002 2002-07-24
CH130302 2002-07-24
PCT/CH2003/000265 WO2004009937A1 (en) 2002-07-24 2003-04-23 Security key and locking cylinder

Publications (2)

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EP1523603A1 EP1523603A1 (en) 2005-04-20
EP1523603B1 true EP1523603B1 (en) 2006-08-02

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EP03711784A Expired - Lifetime EP1523603B1 (en) 2002-07-24 2003-04-23 Security key and locking cylinder

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US (2) US6973814B2 (en)
EP (1) EP1523603B1 (en)
JP (2) JP4446886B2 (en)
AT (1) ATE335112T1 (en)
AU (1) AU2003218597B2 (en)
CA (1) CA2492088C (en)
DE (2) DE20380210U1 (en)
DK (1) DK1523603T3 (en)
ES (1) ES2269992T3 (en)
HK (1) HK1073877A1 (en)
PL (1) PL207157B1 (en)
PT (1) PT1523603E (en)
SI (1) SI1523603T1 (en)
WO (1) WO2004009937A1 (en)

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EP3366870A1 (en) 2017-02-24 2018-08-29 Assa Ab Cylinder lock and key system
EP3366871A1 (en) 2017-02-24 2018-08-29 Assa Ab Cylinder lock and key system
EP3375956A1 (en) 2017-03-17 2018-09-19 Assa Ab Cylinder lock and key system

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EP3219883A1 (en) 2016-03-16 2017-09-20 Assa Ab Cylinder lock and key system
EP3219882A1 (en) 2016-03-16 2017-09-20 Assa Ab Cylinder lock and key system
EP3366870A1 (en) 2017-02-24 2018-08-29 Assa Ab Cylinder lock and key system
EP3366871A1 (en) 2017-02-24 2018-08-29 Assa Ab Cylinder lock and key system
EP3375956A1 (en) 2017-03-17 2018-09-19 Assa Ab Cylinder lock and key system

Also Published As

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AU2003218597A1 (en) 2004-02-09
JP2005533944A (en) 2005-11-10
PL373349A1 (en) 2005-08-22
ES2269992T3 (en) 2007-04-01
US20060086164A1 (en) 2006-04-27
WO2004009937A1 (en) 2004-01-29
JP2009235895A (en) 2009-10-15
EP1523603A1 (en) 2005-04-20
US7370503B2 (en) 2008-05-13
US6973814B2 (en) 2005-12-13
PL207157B1 (en) 2010-11-30
US20040016273A1 (en) 2004-01-29
DE20380210U1 (en) 2004-05-13
PT1523603E (en) 2006-12-29
JP4972129B2 (en) 2012-07-11
AU2003218597B2 (en) 2008-06-12
CA2492088A1 (en) 2004-01-29
ATE335112T1 (en) 2006-08-15
DK1523603T3 (en) 2006-12-04
SI1523603T1 (en) 2006-12-31
HK1073877A1 (en) 2005-10-21
DE50304491D1 (en) 2006-09-14
CA2492088C (en) 2010-12-14
JP4446886B2 (en) 2010-04-07

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