EP2149657A1 - Key for a lock cylinder and blank for such a key - Google Patents

Key for a lock cylinder and blank for such a key Download PDF

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Publication number
EP2149657A1
EP2149657A1 EP09164633A EP09164633A EP2149657A1 EP 2149657 A1 EP2149657 A1 EP 2149657A1 EP 09164633 A EP09164633 A EP 09164633A EP 09164633 A EP09164633 A EP 09164633A EP 2149657 A1 EP2149657 A1 EP 2149657A1
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EP
European Patent Office
Prior art keywords
key
insertion path
tip
shaft
inclination angle
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.)
Granted
Application number
EP09164633A
Other languages
German (de)
French (fr)
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EP2149657B1 (en
Inventor
Karl-Heinz Spahn
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.)
Aug Winkhaus GmbH and Co KG
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Aug Winkhaus GmbH and Co KG
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
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Priority to SI200930608T priority Critical patent/SI2149657T1/en
Priority to PL09164633T priority patent/PL2149657T3/en
Publication of EP2149657A1 publication Critical patent/EP2149657A1/en
Application granted granted Critical
Publication of EP2149657B1 publication Critical patent/EP2149657B1/en
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Classifications

    • 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
    • E05B19/0035—Key profiles characterized by longitudinal bit variations
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/007—Devices for reducing friction between lock parts
    • 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
    • E05B19/0052—Rectangular flat keys

Definitions

  • Such keys are commonly used in today's locking systems and are for example from the DE 10 2004 009 166 A1 known.
  • the insertion path of the key tip is arranged inclined to the next key notch. If the key is inserted into a closing channel of the lock cylinder, the insertion track slides over each of the pin tumblers and releases their static friction in the lock cylinder. The inclination of the insertion path thus has a great influence on the force required to insert the key in a lock channel.
  • the insertion path of the key is formed as a continuous slope.
  • the invention is based on the problem to form a key of the type mentioned so on that it has the largest possible number of locking variants and with the least possible effort in the lock cylinder is inserted. Furthermore, a blank for such a key is to be created, which allows easy production of the key with a large number of locking variants.
  • the insertion path is inclined differently at its end facing the key tip and at its end closest to the key tip closest to the key slot relative to the longitudinal axis of the shaft.
  • the small inclination angle ⁇ allows the solution of the static friction of the respective pin tumblers with little effort.
  • the pin tumblers reach the large angle of inclination ⁇ , only a sliding friction that is low compared to static friction has to be overcome.
  • the pin tumblers can be moved over a long distance with little effort and with a very short designed insertion path. This allows a large number of locking variants.
  • Another advantage of this design is that the key without using the corresponding blank with a prepared insertion path after a copy only very difficult or not can be inserted into the lock cylinder.
  • the key according to the invention has a particularly high copy protection.
  • the small inclination angle ⁇ of the insertion path can be positioned according to another advantageous embodiment of the invention particularly close to the free ends of the pin tumblers of the lock cylinder when the key tip is designed dull and has a perpendicular to the longitudinal axis of the shaft edge.
  • the portion of the insertion path having the small inclination angle ⁇ can be made particularly short, which contributes to a particularly short overall length of the key according to the invention.
  • the key 1 has a Reide 8 and a shaft 9 with a series of closing notches 10 for driving the Stiftzunnenen 7 of the lock cylinder 2.
  • the closing notches 10 are arranged on a key-chest 11.
  • One of the key-chest 11 remote key back 12 is straight.
  • the key 1 has a key tip 13 with an insertion path 14.
  • the insertion path 14 serves to depress the Stiftzuiensen 7 when inserting the key 1 in the closing channel 6.
  • the insertion path 14 is concave curved.
  • FIG. 2 shows greatly enlarged the key tip 13 FIG. 1
  • the concavely concave insertion path 14 at its the free end of the key tip 13 near section 15 a to the longitudinal axis of the shaft 9 small inclination angle ⁇ and at its the next closing notch facing portion 16 a to the longitudinal axis of the shaft 9 has large inclination angle ⁇ .
  • the large inclination angle ⁇ having portion 16 of the insertion path 14 is up to the lowest possible Level of the closing notches 10 out. This are available for the possible closing variants of the key 1 in the key tip 13 closest to the closing notch 10 all levels available. The distance Y of the key tip 13 from the next closing notch 10 is thereby made particularly short.
  • FIG. 5 shows a blank 25 for the production of the key 1 from FIG. 1 , It can be seen that a tip 26 of the blank 25, the in FIG. 2 having described shape with the insertion path 14. This blank 25 is intended to be provided with the described closing notches 20 and additional closing notches 26, without requiring reworking of the tip 26.

Abstract

The key (1) has a shaft (9), a key chest (11) arranged on the shaft and a key back (12) averted to the key chest. An angle of inclination of insertion path (14) for the longitudinal axis of the shaft at a key point (13) is smaller than an angle of inclination of the insertion path at a next closing notch (10). The insertion path has two chamfers. An independent claim is included for a blank for a key.

Description

Die Erfindung betrifft einen Schlüssel für einen Schließzylinder mit einem Schaft, mit einer Reide, mit einer auf dem Schaft angeordneten Schlüsselbrust und einem der Schlüsselbrust abgewandten Schlüsselrücken, mit einer auf der Schlüsselbrust angeordneten, zum Niederdrücken von Stiftzuhaltungen im Schließzylinder vorgesehenen Reihe von Schließkerben, mit einer an dem der Reide abgewandten Ende des Schaftes angeordneten Schlüsselspitze und mit einer an der Schlüsselspitze auf der Seite der Schlüsselbrust angeordneten, bis zu der der Schlüsselspitze am nächsten angeordneten Schließkerbe geführten Einführbahn. Weiterhin betrifft die Erfindung einen Rohling für einen solchen Schlüssel, bei dem die Schlüsselbrust und der Schlüsselrücken auf dem Schaft parallel verlaufen.The invention relates to a key for a lock cylinder with a shaft, with a Reide, with a shaft arranged on the shaft and the keychain facing away from the back of the key, arranged on the key chest, provided for depressing pin tumblers in the lock cylinder series of locking notches, with a arranged at the end remote from the Reide end of the shaft arranged key tip and with a arranged on the key tip on the side of the key-chest, up to the key tip of the closest arranged notch guided insertion. Furthermore, the invention relates to a blank for such a key, in which the key-chest and the key back run parallel on the shaft.

Solche Schlüssel werden bei heutigen Schließsystemen häufig eingesetzt und sind beispielsweise aus der DE 10 2004 009 166 A1 bekannt. Bei diesem Schlüssel ist die Einführbahn der Schlüsselspitze auf die nächste Schließkerbe hin geneigt angeordnet. Führt man den Schlüssel in einen Schließkanal des Schließzylinders, gleitet die Einführbahn über jede der Stiftzuhaltungen und löst deren Haftreibung im Schließzylinder. Die Neigung der Einführbahn hat damit einen großen Einfluss auf den Kraftaufwand der erforderlich ist, um den Schlüssel in einen Schließkanal einzuführen. Die Einführbahn des Schlüssels ist als durchgehende Schräge ausgebildet.Such keys are commonly used in today's locking systems and are for example from the DE 10 2004 009 166 A1 known. In this key, the insertion path of the key tip is arranged inclined to the next key notch. If the key is inserted into a closing channel of the lock cylinder, the insertion track slides over each of the pin tumblers and releases their static friction in the lock cylinder. The inclination of the insertion path thus has a great influence on the force required to insert the key in a lock channel. The insertion path of the key is formed as a continuous slope.

Ein großer Neigungswinkel der Einführbahn zur Längsachse des Schaftes führt zu einem großen Widerstand beim Einführen des Schlüssels in den Schließzylinder. Ein kleiner Neigungswinkel der Einführbahn zur Längsachse des Schaftes führt jedoch dazu, dass die der Schlüsselspitze nächste Schließkerbe besonders tief angeordnet oder die Einführbahn besonders lang gestaltet sein muss. Die Vorgabe einer besonders tiefen Schließkerbe führt jedoch zu einer geringen Anzahl an möglichen Schließvarianten des Schlüssels. Ein besonders langer Schlüssel erfordert entsprechend lang gestaltete Schließzylinder mit wenigen Stiftzuhaltungen, was bei heutigen Schließsystemen häufig vermieden werden soll.A large angle of inclination of the insertion path to the longitudinal axis of the shaft leads to a large resistance during insertion of the key into the lock cylinder. However, a small angle of inclination of the insertion path to the longitudinal axis of the shaft leads to the fact that the key tip next key close arranged particularly deep or the insertion path must be designed to be particularly long. The specification of a particularly deep locking notch, however, leads to a small number of possible closing variants of the key. A particularly long key requires appropriately designed lock cylinder with a few pin tumblers, which is to be avoided in today's locking systems frequently.

Meist werden Rohlinge zur Fertigung eines solchen Schlüssels derart bereitgestellt, dass sie mit den Schließkerben versehen werden können. Diese Rohlinge weisen einen vorgegebenen Neigungswinkel der Einführbahn auf. Dieser Neigungswinkel wird bei der Herstellung des Schlüssels meist nicht verändert, so dass die Anzahl der Schließvarianten des Schlüssels begrenzt ist.Usually, blanks are provided for manufacturing such a key so that they can be provided with the locking notches. These blanks have a predetermined angle of inclination of the insertion path. This angle of inclination is usually not changed during the production of the key, so that the number of locking variants of the key is limited.

Der Erfindung liegt das Problem zugrunde, einen Schlüssel der eingangs genannten Art so weiter zu bilden, dass er eine möglichst große Anzahl an Schließvarianten aufweist und mit möglichst geringem Kraftaufwand in den Schließzylinder einführbar ist. Weiterhin soll ein Rohling für einen solchen Schlüssel geschaffen werden, welcher eine einfache Herstellung des Schlüssels mit einer großen Anzahl an Schließvarianten ermöglicht.The invention is based on the problem to form a key of the type mentioned so on that it has the largest possible number of locking variants and with the least possible effort in the lock cylinder is inserted. Furthermore, a blank for such a key is to be created, which allows easy production of the key with a large number of locking variants.

Das erstgenannte Problem wird erfindungsgemäß dadurch gelöst, dass ein Neigungswinkel α der Einführbahn zur Längsachse des Schaftes an der Schlüsselspitze kleiner ist als ein Neigungswinkel β der Einführbahn an der nächsten Schließkerbe.The first problem is inventively achieved in that an inclination angle α of the insertion path to the longitudinal axis of the shaft at the key tip is smaller than an inclination angle β of the insertion path at the next closing notch.

Durch diese Gestaltung ist die Einführbahn an ihrem der Schlüsselspitze zugewandten Ende und an ihrem der Schlüsselspitze am nächsten kommenden Schließkerbe zugewandten Ende zur Längsachse des Schaftes unterschiedlich geneigt. Hierdurch gelangt der kleine Neigungswinkel α beim Einführen des Schlüssels in den Schließkanal als erstes gegen die Stiftzuhaltungen. Der kleine Neigungswinkel α ermöglicht die Lösung der Haftreibung der jeweiligen Stiftzuhaltungen mit geringem Kraftaufwand. Wenn die Stiftzuhaltungen auf den großen Neigungswinkel β gelangen, muss nur noch eine im Vergleich zur Haftreibung geringe Gleitreibung überwunden werden. Damit können die Stiftzuhaltungen mit geringem Kraftaufwand und bei sehr kurz gestalteter Einführbahn über einen großen Weg bewegt werden. Dies ermöglicht eine große Anzahl an Schließvarianten. Ein weiterer Vorteil dieser Gestaltung besteht darin, dass der Schlüssel ohne Verwendung des entsprechenden Rohlings mit vorbereiteter Einführbahn nach einer Kopie nur sehr schwer oder nicht in den Schließzylinder eingeführt werden kann. Damit weist der erfindungsgemäße Schlüssel einen besonders hohen Kopierschutz auf.By virtue of this configuration, the insertion path is inclined differently at its end facing the key tip and at its end closest to the key tip closest to the key slot relative to the longitudinal axis of the shaft. As a result, the small inclination angle α when inserting the key into the closing channel first comes against the pin tumblers. The small inclination angle α allows the solution of the static friction of the respective pin tumblers with little effort. When the pin tumblers reach the large angle of inclination β, only a sliding friction that is low compared to static friction has to be overcome. Thus, the pin tumblers can be moved over a long distance with little effort and with a very short designed insertion path. This allows a large number of locking variants. Another advantage of this design is that the key without using the corresponding blank with a prepared insertion path after a copy only very difficult or not can be inserted into the lock cylinder. Thus, the key according to the invention has a particularly high copy protection.

Der erfindungsgemäße Schlüssel gestaltet sich konstruktiv besonders einfach und lässt sich kostengünstig fertigen, wenn die Einführbahn zwei Schrägen aufweist, wobei eine der Schrägen den Neigungswinkel α und die andere Schräge den Neigungswinkel β aufweist.The key according to the invention is structurally particularly simple and can be produced inexpensively if the insertion path has two slopes, one of the slopes having the inclination angle α and the other slope the inclination angle β.

Eine gleichmäßige Beschleunigung der Stiftzuhaltungen beim Einführen des Schlüssels in den Schließkanal lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach erzeugen, wenn die Einführbahn konkav gewölbt gestaltet ist. Durch diese Gestaltung wird ein besonders gleichmäßiges Ansteigen des Kraftverlaufs beim Einführen des erfindungsgemäßen Schlüssels in den Schließkanal sichergestellt. Ein unkomfortables Haken des Schlüssels wird dank der Erfindung vermieden. Hierbei können die Neigungswinkel α und β kontinuierlich ineinander übergehen. Diese Gestaltung trägt zur weiteren Erhöhung des Schutzes des erfindungsgemäßen Schlüssels gegen ein Kopieren bei, da die konkav gewölbte Gestaltung der Einführbahn nur sehr schwer ausgemessen werden kann. Gängige Kopiermaschinen sind zudem nicht für die gewölbte Fertigung der Einführbahn geeignet, was zur weiteren Erhöhung des Kopierschutzes beiträgt.A uniform acceleration of the pin tumblers when inserting the key in the lock channel can be easily generated according to another advantageous embodiment of the invention, when the insertion path is designed concave. By this design, a particularly uniform increase in the force curve during insertion of the key according to the invention in the Locking channel ensured. An uncomfortable hook of the key is avoided thanks to the invention. Here, the inclination angles α and β can continuously merge into each other. This design contributes to further increase the protection of the key according to the invention against copying, since the concave design of the insertion path can be very difficult to measure. Common copy machines are also not suitable for the curved production of the insertion path, which contributes to further increase the copy protection.

Zur weiteren Verringerung der Einführkräfte des Schlüssels in den Schließkanal trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn die Einführbahn eine Wellenform aufweist.To further reduce the insertion of the key in the closing channel, it contributes according to another advantageous embodiment of the invention, when the insertion path has a waveform.

Die möglichst genaue Positionierung des kleinen, zur Überwindung der Haftreibung vorgesehenen Neigungswinkels α gegenüber der Stiftzuhaltung des Schließzylinders ist bedeutsam für die Funktion des erfindungsgemäßen Schlüssels. Der kleine Neigungswinkel α der Einführbahn lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders nahe an den freien Enden der Stiftzuhaltungen des Schließzylinders positionieren, wenn die Schlüsselspitze stumpf gestaltet ist und eine senkrecht zur Längsachse des Schaftes angeordnete Kante hat. Durch diese Gestaltung kann der den kleinen Neigungswinkel α aufweisende Abschnitt der Einführbahn besonders kurz gestaltet sein, was zu einer besonders geringen Gesamtlänge des erfindungsgemäßen Schlüssels beiträgt.The most accurate positioning of the small, intended to overcome the static friction angle of inclination α relative to the pin tumbler of the lock cylinder is important for the function of the key according to the invention. The small inclination angle α of the insertion path can be positioned according to another advantageous embodiment of the invention particularly close to the free ends of the pin tumblers of the lock cylinder when the key tip is designed dull and has a perpendicular to the longitudinal axis of the shaft edge. As a result of this design, the portion of the insertion path having the small inclination angle α can be made particularly short, which contributes to a particularly short overall length of the key according to the invention.

Das zweitgenannte Problem, nämlich die Schaffung eines Rohlings für einen solchen Schlüssel, welcher eine einfache Herstellung des Schlüssels mit einer großen Anzahl an Schließvarianten ermöglicht, wird erfindungsgemäß dadurch gelöst, dass ein dem freien Ende des Schaftes naher Abschnitt einer Spitze des Schaftes einen flachen Neigungswinkel α zur Längsachse des Schaftes und ein von dem freien Ende der Spitze entfernter Abschnitt der Spitze des Schaftes einen großen Neigungswinkel β zur Längsachse des Schaftes aufweist.The second-mentioned problem, namely the creation of a blank for such a key, which enables a simple production of the key with a large number of locking variants, is achieved according to the invention in that a section close to the free end of the shank a tip of the shank has a shallow inclination angle α to the longitudinal axis of the shank and a portion of the tip of the shank remote from the free end of the tip has a large inclination angle β to the longitudinal axis of the shank.

Durch diese Gestaltung ist die Einführbahn des Schlüssels bereits auf dem Rohling angeordnet. Damit lässt sich der Schlüssel einfach durch Einarbeitung der Schließkerben fertigen. Der Rohling ermöglicht die besonders einfache Fertigung des Schlüssels mit einer großen Anzahl an Schließvarianten.By this design, the insertion path of the key is already arranged on the blank. Thus, the key can be easily finished by incorporating the locking notches. The blank enables the particularly simple production of the key with a large number of locking variants.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Fig. 1
einen erfindungsgemäßen Schlüssel mit einem Schließzylinder,
Fig. 2
stark vergrößert eine Schlüsselspitze des Schlüssels aus Figur 1 mit einer bogenförmig gestalteten Einführbahn,
Fig. 3
eine weitere Ausführungsform der Schlüsselspitze mit einer zwei Schrägen aufweisenden Einführbahn,
Fig. 4
eine weitere Ausführungsform der Schlüsselspitze mit einer Wellenform an einer Einführbahn,
Fig. 5
einen Rohling zur Fertigung des Schlüssels aus Figur 1.
The invention allows numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing and will be described below. This shows in
Fig. 1
a key according to the invention with a lock cylinder,
Fig. 2
greatly enlarges a key tip of the key FIG. 1 with an arched entry track,
Fig. 3
a further embodiment of the key tip with a two-slanted insertion path,
Fig. 4
another embodiment of the key tip with a wave form on an insertion path,
Fig. 5
a blank for the production of the key FIG. 1 ,

Figur 1 zeigt einen Schlüssel 1 und einen Schließzylinder 2. Der Schließzylinder 2 weist einen in einem Gehäuse 3 drehbaren Kern 4 und einen mit dem Kern 4 gekoppelten Schließbart 5 auf. In dem Gehäuse 3 und dem Kern 4 bis in einen Schließkanal 6 des Kerns 4 geführte Stiftzuhaltungen 7 blockieren die Bewegung des Kerns 4. FIG. 1 shows a key 1 and a lock cylinder 2. The lock cylinder 2 has a rotatable in a housing 3 core 4 and a coupled to the core 4 cam 5 on. In the housing 3 and the core 4 to a closing channel 6 of the core 4 guided Stiftzuhaltungen 7 block the movement of the core. 4

Der Schlüssel 1 hat eine Reide 8 und einen Schaft 9 mit einer Reihe von Schließkerben 10 zur Ansteuerung der Stiftzuhaltungen 7 des Schließzylinders 2. Die Schließkerben 10 sind an einer Schlüsselbrust 11 angeordnet. Ein der Schlüsselbrust 11 abgewandter Schlüsselrücken 12 ist gerade gestaltet. An dem der Reide 8 abgewandten Ende des Schaftes 9 hat der Schlüssel 1 eine Schlüsselspitze 13 mit einer Einführbahn 14. Die Einführbahn 14 dient zum Niederdrücken der Stiftzuhaltungen 7 beim Einführen des Schlüssels 1 in den Schließkanal 6. Die Einführbahn 14 ist konkav gewölbt gestaltet.The key 1 has a Reide 8 and a shaft 9 with a series of closing notches 10 for driving the Stiftzuhaltungen 7 of the lock cylinder 2. The closing notches 10 are arranged on a key-chest 11. One of the key-chest 11 remote key back 12 is straight. At the end remote from the Reide 8 of the shaft 9, the key 1 has a key tip 13 with an insertion path 14. The insertion path 14 serves to depress the Stiftzuhaltungen 7 when inserting the key 1 in the closing channel 6. The insertion path 14 is concave curved.

Figur 2 zeigt stark vergrößert die Schlüsselspitze 13 aus Figur 1 mit angrenzenden Bereichen der Stiftzuhaltungen 7. Hierbei ist zu erkennen, dass die konkav gewölbte Einführbahn 14 an ihrem dem freien Ende der Schlüsselspitze 13 nahen Abschnitt 15 einen zur Längsachse des Schaftes 9 kleinen Neigungswinkel α und an ihrem der nächsten Schließkerbe zugewandten Abschnitt 16 einen zur Längsachse des Schaftes 9 großen Neigungswinkel β aufweist. FIG. 2 shows greatly enlarged the key tip 13 FIG. 1 Hereby it can be seen that the concavely concave insertion path 14 at its the free end of the key tip 13 near section 15 a to the longitudinal axis of the shaft 9 small inclination angle α and at its the next closing notch facing portion 16 a to the longitudinal axis of the shaft 9 has large inclination angle β.

Weiterhin sind in Figur 2 mehrere, parallel zur Längsachse des Schaftes 9 angeordnete Linien eingezeichnet. Diese Linien verdeutlichen die möglichen Stufen der Schließkerben 10 in dem Schaft 9. Der den kleinen Neigungswinkel α aufweisende Abschnitt 15 der Einführbahn 14 ist in die tiefste mögliche Stufe der Schließkerben 10 geführt. Damit gelangen beim Einführen des Schlüssels 1 in den Schließkanal 6 die Stiftzuhaltungen 7 zunächst gegen den den kleinen Neigungswinkel α aufweisenden Abschnitt 15 der Einführbahn 14. Die Haftreibung der Stiftzuhaltungen 7 wird hierdurch mit geringem Kraftaufwand gelöst. Wenn die Haftreibung gelöst ist und nur noch die geringe Gleitreibung überwunden werden muss, befinden sich die Stiftzuhaltungen 7 an dem den großen Neigungswinkel β aufweisenden Abschnitt 16 der Einführbahn 14. Der den großen Neigungswinkel β aufweisende Abschnitt 16 der Einführbahn 14 ist bis zu der niedrigst möglichen Stufe der Schließkerben 10 geführt. Damit stehen für die möglichen Schließvarianten des Schlüssels 1 auch in der der Schlüsselspitze 13 am nächsten kommenden Schließkerbe 10 alle Stufen zur Verfügung. Der Abstand Y der Schlüsselspitze 13 von der nächsten Schließkerbe 10 ist hierdurch besonders kurz gestaltet.Furthermore, in FIG. 2 several, parallel to the longitudinal axis of the shaft 9 arranged lines drawn. These lines illustrate the possible stages of the closing notches 10 in the shaft 9. The small inclination angle α having portion 15 of the insertion path 14 is guided in the lowest possible level of the closing notches 10. This will arrive at the insertion of the key 1 in the closing channel 6, the pin tumblers 7 first against the The small inclination angle α having portion 15 of the insertion path 14. The static friction of the pin tumblers 7 is thereby achieved with little effort. If the static friction is released and only the slight sliding friction must be overcome, are the pin tumblers 7 at the large inclination angle β having portion 16 of the insertion path 14. The large inclination angle β having portion 16 of the insertion path 14 is up to the lowest possible Level of the closing notches 10 out. This are available for the possible closing variants of the key 1 in the key tip 13 closest to the closing notch 10 all levels available. The distance Y of the key tip 13 from the next closing notch 10 is thereby made particularly short.

Figur 3 zeigt eine weitere Ausführungsform der Schlüsselspitze 13, welche sich von der aus Figur 2 dadurch unterscheidet, dass sich eine Einführbahn 17 aus zwei Schrägen 18, 19 zusammensetzt. Die der Schlüsselspitze 13 am nächsten angeordnete Schräge 18 weist den Neigungswinkel α und die der Schlüsselspitze 13 ferne Schräge 19 weist den Neigungswinkel β auf. Weiterhin hat der Schlüssel 1 eine Reihe von Zusatz-Schließkerben 20. Die Reihe der Zusatz-Schließkerben 20 ist zu der ersten Reihe von Schließkerben 10 um einen Betrag a versetzt. Die Reihe der Zusatz-Schließkerben 20 ermöglicht die Erhöhung der Anzahl der Schließvarianten des Schlüssels 1. Die Funktion der Einführbahn 18 gestaltet sich wie zu Figur 2 beschrieben. FIG. 3 shows a further embodiment of the key tip 13, which extends from the FIG. 2 differs in that an insertion path 17 of two bevels 18, 19 composed. The key tip 13 closest to the slope 18 has the inclination angle α and the key tip 13 distant slope 19 has the inclination angle β. Furthermore, the key 1 has a series of additional closing notches 20. The series of additional closing notches 20 is offset from the first series of closing notches 10 by an amount a. The series of additional closing notches 20 makes it possible to increase the number of locking variants of the key 1. The function of the insertion path 18 is designed as to FIG. 2 described.

Figur 4 zeigt eine weitere Ausführungsform der Schlüsselspitze 13, welche sich von der aus Figur 2 dadurch unterscheidet, dass eine Einführbahn 21 eine Wellenform aufweist. Ein der Schlüsselspitze 13 am nächsten kommender Abschnitt 22 der Einführbahn 21 hat einen kleinen Neigungswinkel α, während ein der Schlüsselspitze 13 ferner Abschnitt 23 der Einführbahn einen großen Neigungswinkel β hat. Die Funktion der Einführbahn 21 gestaltet sich wie zu Figur 2 beschrieben. Weiterhin ist die Schlüsselspitze 13 stumpf gestaltet und hat eine senkrecht zur Längsachse des Schaftes 9 angeordnete Kante 24. FIG. 4 shows a further embodiment of the key tip 13, which extends from the FIG. 2 characterized in that an insertion path 21 has a waveform. One of the key tip 13 closest to the section 22 of the insertion path 21 has a small angle of inclination α, while one of the key tip 13 further section 23 of the insertion path has a large inclination angle β. The function of the insertion path 21 is designed as to FIG. 2 described. Furthermore, the key tip 13 is designed dull and has a perpendicular to the longitudinal axis of the shaft 9 arranged edge 24th

Figur 5 zeigt einen Rohling 25 zur Fertigung des Schlüssels 1 aus Figur 1. Hierbei ist zu erkennen, dass eine Spitze 26 des Rohlings 25 die in Figur 2 beschriebene Form mit der Einführbahn 14 aufweist. Dieser Rohling 25 ist dazu vorgesehen, mit den beschriebenen Schließkerben 20 und Zusatz-Schließkerben 26 versehen zu werden, ohne dass eine Nachbearbeitung der Spitze 26 erforderlich ist. FIG. 5 shows a blank 25 for the production of the key 1 from FIG. 1 , It can be seen that a tip 26 of the blank 25, the in FIG. 2 having described shape with the insertion path 14. This blank 25 is intended to be provided with the described closing notches 20 and additional closing notches 26, without requiring reworking of the tip 26.

Wie in den Figuren auch dargestellt ist es sinnvoll, die Schlüsselspitze 13 mit zwei der erfinderischen Einführbahnen 14, 16, 17, 21 auszustatten, nämlich eine zur Schlüsselbrust 11 und eine zum Schlüsselrücken 12 hin. Dabei können die beiden Einführbahnen 14, 16, 17, 21 unterschiedlich lang, aber ggf. über die gemeinsame Länge spiegelsymmetrisch ausgebildet sein.As also shown in the figures, it makes sense to equip the key tip 13 with two of the inventive insertion paths 14, 16, 17, 21, namely one towards the key breast 11 and one towards the back of the key 12. In this case, the two insertion paths 14, 16, 17, 21 may be of different lengths, but possibly mirror-symmetrical over the common length.

Claims (7)

Schlüssel für einen Schließzylinder mit einem Schaft, mit einer Reide, mit einer auf dem Schaft angeordneten Schlüsselbrust und einem der Schlüsselbrust abgewandten Schlüsselrücken, mit einer auf der Schlüsselbrust angeordneten, zum Niederdrücken von Stiftzuhaltungen im Schließzylinder vorgesehenen Reihe von Schließkerben, mit einer an dem der Reide abgewandten Ende des Schaftes angeordneten Schlüsselspitze und mit einer an der Schlüsselspitze auf der Seite der Schlüsselbrust angeordneten, bis zu der der Schlüsselspitze am nächsten angeordneten Schließkerbe geführten Einführbahn, dadurch gekennzeichnet, dass ein Neigungswinkel αder Einführbahn (14, 17, 21) zur Längsachse des Schaftes (9) an der Schlüsselspitze (13) kleiner ist als ein Neigungswinkel β der Einführbahn (14, 17, 21) an der nächsten Schließkerbe (10).Key for a lock cylinder with a shaft, with a Reide, with a shaft arranged on the shaft and the keychain facing away from the back of the key, arranged on the key chest, for depressing pin tumblers in the lock cylinder provided series of closing notches, with one on the Reide facing away from the end of the shaft arranged key tip and arranged with a key tip on the side of the keybrace, up to the key tip nearest arranged keyway guided insertion path, characterized in that an inclination angle αder the insertion path (14, 17, 21) to the longitudinal axis of the shaft (9) at the key tip (13) is smaller than an inclination angle β of the insertion path (14, 17, 21) at the next closing notch (10). Schlüssel nach Anspruch 1, dadurch gekennzeichnet, dass die Einführbahn (17) zwei Schrägen (18, 19) aufweist, wobei eine der Schrägen (18) den Neigungswinkel α und die andere Schräge (19) den Neigungswinkel β aufweist.A key according to claim 1, characterized in that the insertion path (17) has two bevels (18, 19), wherein one of the bevels (18) the inclination angle α and the other slope (19) has the inclination angle β. Schlüssel nach Anspruch 1, dadurch gekennzeichnet, dass die Einführbahn (14, 21) konkav gewölbt gestaltet ist.Key according to claim 1, characterized in that the insertion path (14, 21) is designed concavely curved. Schlüssel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einführbahn (21) eine Wellenform aufweist.Key according to one of the preceding claims, characterized in that the insertion path (21) has a waveform. Schlüssel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schlüsselspitze (13) stumpf gestaltet ist und eine senkrecht zur Längsachse des Schaftes (9) angeordnete Kante (24) hat.Key according to one of the preceding claims, characterized in that the key tip (13) is designed dull and has a perpendicular to the longitudinal axis of the shaft (9) arranged edge (24). Rohling für einen Schlüssel nach einem der vorhergehenden Ansprüche, bei dem die Schlüsselbrust und der Schlüsselrücken auf dem Schaft parallel verlaufen, dadurch gekennzeichnet, dass ein dem freien Ende des Schaftes (9) naher Abschnitt (15) einer Spitze (26) des Schaftes (9) einen flachen Neigungswinkel α zur Längsachse des Schaftes (9) und ein von dem freien Ende der Spitze (26) entfernter Abschnitt (16) der Spitze (26) des Schaftes (9) einen großen Neigungswinkel β zur Längsachse des Schaftes (9) aufweist.Blank wrench according to one of the preceding claims, wherein the keychain and the spine of the key are parallel on the shank, characterized in that a portion (15) of a tip (26) of the shank (9) is formed near the free end of the shank (9) ) has a shallow inclination angle α to the longitudinal axis of the shank (9) and a portion (16) of the tip (26) of the shank (9) remote from the free end of the tip (26) has a large inclination angle β to the longitudinal axis of the shank (9) , Schlüssel nach einem der vorhergehenden Ansprüche 1 bis 5 oder Rohling nach Anspruch 6, dadurch gekennzeichnet, dass eine zusätzliche, entsprechend der zur Schlüsselbrust (11) hin ausgerichteten Einführbahn (14, 16, 17, 21), zum Schlüsselrücken (12) hin ausgerichtete Einführbahn vorgesehen ist, die vorzugsweise über die gemeinsame Länge spiegelsymmetrisch ausgebildet ist.Key according to one of the preceding claims 1 to 5 or blank according to claim 6, characterized in that an additional, corresponding to the key to the breast (11) oriented towards insertion (14, 16, 17, 21), to the back of the key (12) oriented towards insertion path is provided, which is preferably mirror-symmetrical over the common length.
EP09164633A 2008-07-29 2009-07-06 Key for a lock cylinder and blank for such a key Active EP2149657B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200930608T SI2149657T1 (en) 2008-07-29 2009-07-06 Key for a lock cylinder and blank for such a key
PL09164633T PL2149657T3 (en) 2008-07-29 2009-07-06 Key for a lock cylinder and blank for such a key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008040823A DE102008040823A1 (en) 2008-07-29 2008-07-29 Key for a lock cylinder and blank for such a key

Publications (2)

Publication Number Publication Date
EP2149657A1 true EP2149657A1 (en) 2010-02-03
EP2149657B1 EP2149657B1 (en) 2013-03-27

Family

ID=41323431

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Application Number Title Priority Date Filing Date
EP09164633A Active EP2149657B1 (en) 2008-07-29 2009-07-06 Key for a lock cylinder and blank for such a key

Country Status (6)

Country Link
EP (1) EP2149657B1 (en)
DE (1) DE102008040823A1 (en)
ES (1) ES2407636T3 (en)
HR (1) HRP20130492T1 (en)
PL (1) PL2149657T3 (en)
SI (1) SI2149657T1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016079702A (en) * 2014-10-17 2016-05-16 河村電器産業株式会社 Key for cabinet handle lock, and key for cylinder lock

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1977189A (en) * 1933-12-04 1934-10-16 Ivar G Larson Lock
EP0942126A1 (en) * 1998-02-28 1999-09-15 Schliessanlagen GmbH Pfaffenhain Locking device
EP1577469A2 (en) 2004-03-19 2005-09-21 Aug. Winkhaus GmbH & Co. KG Key
DE102004009166A1 (en) 2004-02-25 2005-10-06 Aug. Winkhaus Gmbh & Co. Kg Key for a lock cylinder comprises a recess having a free section in its center so that the contour of the free section deviates from boundary regions of the recess

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT506700B1 (en) * 2008-07-15 2009-11-15 Evva Werke FLAT KEY

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1977189A (en) * 1933-12-04 1934-10-16 Ivar G Larson Lock
EP0942126A1 (en) * 1998-02-28 1999-09-15 Schliessanlagen GmbH Pfaffenhain Locking device
DE102004009166A1 (en) 2004-02-25 2005-10-06 Aug. Winkhaus Gmbh & Co. Kg Key for a lock cylinder comprises a recess having a free section in its center so that the contour of the free section deviates from boundary regions of the recess
EP1577469A2 (en) 2004-03-19 2005-09-21 Aug. Winkhaus GmbH & Co. KG Key

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016079702A (en) * 2014-10-17 2016-05-16 河村電器産業株式会社 Key for cabinet handle lock, and key for cylinder lock

Also Published As

Publication number Publication date
SI2149657T1 (en) 2013-07-31
HRP20130492T1 (en) 2013-06-30
PL2149657T3 (en) 2013-08-30
EP2149657B1 (en) 2013-03-27
ES2407636T3 (en) 2013-06-13
DE102008040823A1 (en) 2010-02-04

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