EP0812971B1 - Flat key for cylinder lock - Google Patents

Flat key for cylinder lock Download PDF

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Publication number
EP0812971B1
EP0812971B1 EP97107497A EP97107497A EP0812971B1 EP 0812971 B1 EP0812971 B1 EP 0812971B1 EP 97107497 A EP97107497 A EP 97107497A EP 97107497 A EP97107497 A EP 97107497A EP 0812971 B1 EP0812971 B1 EP 0812971B1
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EP
European Patent Office
Prior art keywords
key
groove
longitudal
flat
guide groove
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
EP97107497A
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German (de)
French (fr)
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EP0812971A2 (en
EP0812971A3 (en
Inventor
Kurt Prunbauer
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.)
EVVA Sicherheitstechnologie GmbH
Original Assignee
EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG
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Application filed by EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG filed Critical EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG
Publication of EP0812971A2 publication Critical patent/EP0812971A2/en
Publication of EP0812971A3 publication Critical patent/EP0812971A3/en
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Publication of EP0812971B1 publication Critical patent/EP0812971B1/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets

Definitions

  • the invention relates to a flat key for a Cylinder lock, with the key in the key shaft has at least two permanent magnet pills and along the key chest and / or along the back of the key at least one longitudinal profile groove is provided.
  • the invention is based on a prior art, such as it is disclosed by AT-PS 371 881.
  • the known Key has several permanent magnet pills in the key shaft on, the corresponding magnetic rotors in the associated lock Taxes. Additional variation elements of this Key are the profiling of longitudinal guide grooves given along the key chest and key back, as well as the arrangement of chamfer cuts on the Long edges of the key with spherical locking elements of the castle interact.
  • the aim of the invention is to improve the variety with good mechanical stability, in particular also the area between the permanent magnet pills should be usable.
  • the flat key according to the present invention is thereby characterized in that at least one of the longitudinal profile grooves as a longitudinal control groove in the area between at least two of the Permanent magnet pills is expanded and deepened.
  • Fig. 1 shows a side view of the key according to the invention.
  • Fig. 2 represents a cross section through the key along the line II-II in Fig. 1, two locking elements of the associated Castle are drawn.
  • Fig. 3 shows a torn schematic cross section through the castle.
  • the Figures 4 and 5 show two examples of the variation scheme
  • the lock construction is also based on AT-PS 371 881 directed. This type of lock is state of the art and since successful on the market for many years. In the figures Castle parts are shown schematically only to the extent that they are necessary for understanding the present invention are.
  • the key 1 comprises a key shaft 2 and the key handle 3.
  • the key shaft 2 There are four in the key shaft 2 Permanent magnet pills 4, which in a known manner Wear magnetization.
  • the permanent magnet pills are preferably in through holes in the key shaft arranged and fixed, with the magnetic coding on each Key flat side can be given.
  • the longitudinal control groove 7 carries in this exemplary embodiment in the area between all four permanent magnet pills 4 an extension 9, which is also a deepening the longitudinal guide groove 7 means. With regard to the possible variations this means that the longitudinal control groove 7th a first for corresponding locking elements of the lock Control depth and the optional extensions 9 represent a second tax depth for achieving of variation options can be used.
  • the longitudinal guide groove 8 is just pulled through. she can but also be formed as a longitudinal control groove and this equally on both key flat sides 10.
  • Fig. 2 shows a section along the line II-II in Fig. 1, the associated locking elements 11 and 12 of the Castle are drawn.
  • the locking element 11 is trained (longer) to fit extension 9.
  • the locking element engages obliquely from above into the control longitudinal groove 7 and its extension 9 a.
  • the cross section corresponds the longitudinal control groove, also with its extension, a right-angled triangle, the Hypotenuse is formed by the key flat side 10.
  • the longer triangle side is the groove flank 13, which is starting from the key flat side 10 obliquely to the central longitudinal plane 14 extends to tax reason 15. dashed lines the position of the scanning surface 16 is shown when on no extension 9 at this point, but the longitudinal control groove 7 would have been provided without this extension.
  • the obliquely opposite other locking element 12 of the The lock is a shortened locking element that works with the Tax reason 15 interacts, the component of the tax longitudinal groove 7 is.
  • the longitudinal control groove lies on both key flat sides 10 on the back of the key 5 as well as on the key chest 6 each have a longitudinal guide groove 8 opposite.
  • the groove bottom 17 is parallel to the groove flank 13 arranged.
  • Fig. 3 shows schematically a cross section through a Lock and associated key, the key being a modified design of the longitudinal tax grooves.
  • the Shorter locking element 11 sits in the cylinder core 18 in one Blind bore 19 and protrudes with the scanning surface 16 through the Side surface 25 of the key channel 20, in which the Key 1 is inserted.
  • the tax reason 15 is through the control longitudinal groove 7 is formed.
  • the cylinder housing 21 has a recess 22, which is shown in the Zero position of the cylinder core a displacement of the locking element 11 permits.
  • Lock lock in a known manner by a sprung Tumbler pin (control pin) is made in the cylinder housing in the same plane of rotation as the locking element sitting. This control pin would turn after a Snap the cylinder core into the bore 19 by about 180 ° and block the lock.
  • the two longitudinal control grooves 7 in Fig. 3 have another Cross-sectional shape.
  • the advantage here is that in Cylinder core 18 ribs 23 are provided which in the Key channel 20 protrude and the leadership of the locking elements 11, 12 improve.
  • the ribs 23 correspond to in their cross-sectional shape of the control longitudinal groove 7 without the Extension 9.
  • FIGS 4 and 5 show schematic key cross sections with the possible training of the Tax reason.
  • Fig. 4 corresponds to the embodiment according to Fig. 2.
  • the number the possible control reasons depends on the scanning accuracy and can e.g. also include three tax reasons, so that in Locked three different lengths of the locking element 11, 12 possible are.
  • Fig. 5 corresponds to the key cross section of the training 3, wherein each of the key longitudinal grooves act as either a control longitudinal groove or a longitudinal guide groove can.
  • the drawings are in view of the foregoing Designs of course. Same Elements have the same reference numbers.
  • any key blank in this regard all of these Has longitudinal profile elements and only later Attaching further millings to the finished key made becomes.
  • Such key blanks are e.g. for locksmiths made the key according to customer requirements complete.
  • the key can also be used with other keys
  • Variation elements are provided, e.g. the chamfer cuts according to AT-PS 371 881 or conventional key recesses on the key chest for known pin tumblers.

Abstract

Two or more permanent magnet pellets (4) are mounted in the shank (2) of the key, and a lengthwise profiled groove is formed in the front and/or rear of the key. One at least of the grooves forms a control groove (7), and is widened and deepened (9) between adjacent pellets. The groove cross-section can be a scalene right-angled triangular, whose hypotenuse is formed by the flat side of the key. The longer of the other two sides forms a groove flank sloping from the flat side to the groove bottom, which forms the shorter side. On the opposite side of the key there can be a further lengthwise groove, whose bottom is parallel to the flank of the first groove (7).

Description

Die Erfindung betrifft einen Flachschlüssel für ein Zylinderschloß, wobei der Schlüssel im Schlüsselschaft wenigstens zwei Permanentmagnetpillen aufweist und entlang der Schlüsselbrust und/oder entlang des Schlüsselrückens wenigstens je eine Längsprofilnut vorgesehen ist.The invention relates to a flat key for a Cylinder lock, with the key in the key shaft has at least two permanent magnet pills and along the key chest and / or along the back of the key at least one longitudinal profile groove is provided.

Die Erfindung geht von einem Stand der Technik aus, wie er durch die AT-PS 371 881 geoffenbart ist. Der bekannte Schlüssel weist im Schlüsselschaft mehrere Permanentmagnetpillen auf, die im zugehörigen Schloß entsprechende Magnetrotoren steuern. Zusätzliche Variationselemente dieses Schlüssels sind durch die Profilierung von Führungslängsnuten entlang Schlüsselbrust und Schlüsselrücken gegeben, sowie durch die Anordnung von Faseneinschnitten an den Längskanten des Schlüssels, die mit kugelförmigen Sperrelementen des Schlosses zusammenwirken.The invention is based on a prior art, such as it is disclosed by AT-PS 371 881. The known Key has several permanent magnet pills in the key shaft on, the corresponding magnetic rotors in the associated lock Taxes. Additional variation elements of this Key are the profiling of longitudinal guide grooves given along the key chest and key back, as well as the arrangement of chamfer cuts on the Long edges of the key with spherical locking elements of the castle interact.

Ziel der Erfindung ist eine Verbesserung der Variationsvielfalt bei guter mechanischer Stabilität, wobei insbesondere auch der Bereich zwischen den Permanentmagnetpillen nutzbar sein soll.The aim of the invention is to improve the variety with good mechanical stability, in particular also the area between the permanent magnet pills should be usable.

Der Flachschlüssel gemäß vorliegender Erfindung ist dadurch gekennzeichnet, daß wenigstens eine der Längsprofilnuten als Steuerlängsnut im Bereich zwischen wenigstens zwei der Permanentmagnetpillen erweitert und vertieft ist.The flat key according to the present invention is thereby characterized in that at least one of the longitudinal profile grooves as a longitudinal control groove in the area between at least two of the Permanent magnet pills is expanded and deepened.

Weitere vorteilhafte Merkmale der Erfindung sind den Ansprüchen, der Zeichnung und der Beschreibung zu entnehmen.Further advantageous features of the invention are the claims, the drawing and the description can be seen.

Im folgenden wird die Erfindung anhand von Ausführungsbeispielen näher beschrieben. Fig. 1 zeigt eine Seiten-ansicht des erfindungsgemäßen Schlüssels. Fig. 2 stellt einen Querschnitt durch den Schlüssel nach der Linie II-II in Fig. 1 dar, wobei zwei Sperrelemente des zugehörigen Schlosses eingezeichnet sind. Fig. 3 zeigt einen abgerissenen schematischen Querschnitt durch das Schloß. Die Figuren 4 und 5 zeigen zwei Beispiele des VariationsschemasIn the following, the invention is based on exemplary embodiments described in more detail. Fig. 1 shows a side view of the key according to the invention. Fig. 2 represents a cross section through the key along the line II-II in Fig. 1, two locking elements of the associated Castle are drawn. Fig. 3 shows a torn schematic cross section through the castle. The Figures 4 and 5 show two examples of the variation scheme

Zur Schloßkonstruktion wird ebenfalls auf die AT-PS 371 881 verwiesen. Diese Schloßtype ist Stand der Technik und seit vielen Jahren erfolgreich auf dem Markt. In den Figuren sind Schloßteile schematisch nur insoweit dargestellt, als sie zum Verständnis der vorliegenden Erfindung notwendig sind.The lock construction is also based on AT-PS 371 881 directed. This type of lock is state of the art and since successful on the market for many years. In the figures Castle parts are shown schematically only to the extent that they are necessary for understanding the present invention are.

Gemäß Fig. 1 umfaßt der Schlüssel 1 einen Schlüsselschaft 2 und den Schlüsselgriff 3. Im Schlüsselschaft 2 sitzen vier Permanentmagnetpillen 4, die in bekannter Weise eine Magnetisierung tragen. Die Permanentmagnetpillen sind bevorzugt in durchgehenden Löchern des Schlüsselschafts angeordnet und fixiert, wobei die Magnetkodierung auf jeder Schlüsselflachseite gegeben sein kann.1, the key 1 comprises a key shaft 2 and the key handle 3. There are four in the key shaft 2 Permanent magnet pills 4, which in a known manner Wear magnetization. The permanent magnet pills are preferably in through holes in the key shaft arranged and fixed, with the magnetic coding on each Key flat side can be given.

Entlang des Schlüsselrückens 5 und auch entlang der Schlüsselbrust 6 verlaufen je eine Längsprofilnut, wobei jene entlang des Schlüsselrückens als Steuerlängsnut 7 und jene entlang der Schlüsselbrust als Führungslängsnut 8 bezeichnet ist.Along the back of the key 5 and also along the Key chest 6 each run a longitudinal profile groove, whereby those along the key back as the control longitudinal groove 7 and those along the key face as the longitudinal guide groove 8 is designated.

Die Steuerlängsnut 7 trägt bei diesem beispielhaften Ausführungsbeispiel im Bereich zwischen allen vier Permanentmagnetpillen 4 eine Erweiterung 9, die auch eine Vertiefung der Führungslängsnut 7 bedeutet. Hinsichtlich der Variationsmöglichkeiten bedeutet dies, daß die Steuerlängsnut 7 für entsprechende Sperrelemente des Schlosses eine erste Steuertiefe und die wahlweise möglichen Erweiterungen 9 eine zweite Steuertiefe darstellen, die für die Erzielung von Variationsmöglichkeiten genutzt werden können.The longitudinal control groove 7 carries in this exemplary embodiment in the area between all four permanent magnet pills 4 an extension 9, which is also a deepening the longitudinal guide groove 7 means. With regard to the possible variations this means that the longitudinal control groove 7th a first for corresponding locking elements of the lock Control depth and the optional extensions 9 represent a second tax depth for achieving of variation options can be used.

Die Führungslängsnut 8 ist gerade durchgezogen. Sie kann aber ebenfalls als Steuerlängsnut ausgebildet sein und dies gleicherweise auf beiden Schlüsselflachseiten 10.The longitudinal guide groove 8 is just pulled through. she can but also be formed as a longitudinal control groove and this equally on both key flat sides 10.

Fig. 2 zeigt einen Schnitt nach der Linie II-II in Fig. 1, wobei auch die zugehörigen Sperrelemente 11 und 12 des Schlosses eingezeichnet sind. Das Sperrelement 11 ist derart (länger) ausgebildet, daß es zur Erweiterung 9 paßt. Fig. 2 shows a section along the line II-II in Fig. 1, the associated locking elements 11 and 12 of the Castle are drawn. The locking element 11 is trained (longer) to fit extension 9.

Das Sperrelement greift schräg von oben in die Steuerlängsnut 7 und deren Erweiterung 9 ein. Im Querschnitt entspricht die Steuerlängsnut, auch mit deren Erweiterung, einem rechtwinkelig ungleichseitigen Dreieck, dessen Hypothenuse durch die Schlüsselflachseite 10 gebildet ist. Die längere Dreiecksseite ist die Nutenflanke 13, die sich von der Schlüsselflachseite 10 ausgehend schräg zur Mittellängsebene 14 bis zum Steuergrund 15 erstreckt. Strichliert ist die Lage der Abtastfläche 16 eingezeichnet, wenn an dieser Stelle keine Erweiterung 9, sondern die Steuerlängsnut 7 ohne diese Erweiterung vorgesehen wäre.The locking element engages obliquely from above into the control longitudinal groove 7 and its extension 9 a. The cross section corresponds the longitudinal control groove, also with its extension, a right-angled triangle, the Hypotenuse is formed by the key flat side 10. The longer triangle side is the groove flank 13, which is starting from the key flat side 10 obliquely to the central longitudinal plane 14 extends to tax reason 15. dashed lines the position of the scanning surface 16 is shown when on no extension 9 at this point, but the longitudinal control groove 7 would have been provided without this extension.

Das schräg gegenüberliegende andere Sperrelement 12 des Schlosses ist ein verkürztes Sperrelement, das mit dem Steuergrund 15 zusammenwirkt, der Bestandteil der Steuerlängsnut 7 ist.The obliquely opposite other locking element 12 of the The lock is a shortened locking element that works with the Tax reason 15 interacts, the component of the tax longitudinal groove 7 is.

An beiden Schlüsselflachseiten 10 liegt der Steuerlängsnut sowohl am Schlüsselrücken 5, als auch an der Schlüsselbrust 6 je eine Führungslängsnut 8 gegenüber. In bevorzugter Weise ist deren Nutengrund 17 parallel zur Nutenflanke 13 angeordnet. Durch diese Ausbildung der Führungsnuten ist gewährleistet, daß der Schlüssel die ausreichende mechanische Festigkeit beibehält und dennoch die Führungsnut 8 bis zur Mittellängsebene 14 herangeführt ist. Die Führungslängsnuten 8 können aber auch verschiedene Querschnittsformen aufweisen, um zusätzliche Schließverschiedenheiten herbeizuführen.The longitudinal control groove lies on both key flat sides 10 on the back of the key 5 as well as on the key chest 6 each have a longitudinal guide groove 8 opposite. In preferred The groove bottom 17 is parallel to the groove flank 13 arranged. Through this training of the guide grooves ensures that the key has sufficient mechanical Maintains strength and yet the guide groove 8 to is brought up to the central longitudinal plane 14. The longitudinal guide grooves 8 can also have different cross-sectional shapes have additional closing differences bring about.

Die Fig. 3 zeigt schematisch einen Querschnitt durch ein Schloß und zugehörigen Schlüssel, wobei der Schlüssel eine abgeänderte Ausbildung der Steuerlängsnuten aufweist. Das kürzere Sperrelement 11 sitzt im Zylinderkern 18 in einer Sackbohrung 19 und ragt mit der Abtastfläche 16 durch die Seitenfläche 25 des Schlüsselkanales 20, in welchem der Schlüssel 1 eingeschoben ist. Der Steuergrund 15 ist durch die Steuerlängsnut 7 gebildet. Das Zylindergehäuse 21 weist eine Rastausnehmung 22 auf, die in der eingezeichneten Null-Lage des Zylinderkerns eine Verschiebung des Sperrelementes 11 zuläßt.Fig. 3 shows schematically a cross section through a Lock and associated key, the key being a modified design of the longitudinal tax grooves. The Shorter locking element 11 sits in the cylinder core 18 in one Blind bore 19 and protrudes with the scanning surface 16 through the Side surface 25 of the key channel 20, in which the Key 1 is inserted. The tax reason 15 is through the control longitudinal groove 7 is formed. The cylinder housing 21 has a recess 22, which is shown in the Zero position of the cylinder core a displacement of the locking element 11 permits.

Auf der anderen Seite des Schlosses ist das längere Sperrelement 12 angeordnet, dem an der Steuerlängsnut 7 die zugehörige Erweiterung 9 zugeordnet ist.On the other side of the castle is the longer one Arranged locking element 12, the on the control longitudinal groove 7th the associated extension 9 is assigned.

Wie leicht erkennbar ist, muß bei einem richtigen Schlüssel an jener Stelle, an der das längere Sperrelement 12 vorgesehen ist, eine solche Erweiterung 9 vorliegen. Ist dies bei einem falschen Schlüssel nicht der Fall, steht das obere Ende des Sperrelementes 12 in die Rastausnehmung 22 und ein Verdrehen des Zylinderkerns 18 ist unmöglich. Beim richtigen Schlüssel müssen die Sperrelemente 11,12 stets innerhalb der Zylinderfläche 24 des Zylinderkernes zu liegen kommen.How easy it is to recognize is with a correct key at the point where the longer locking element 12 is provided there is such an extension 9. Is this if the wrong key is not the case, it stands upper end of the locking element 12 in the locking recess 22nd and twisting of the cylinder core 18 is impossible. At the correct key must always the locking elements 11,12 within the cylinder surface 24 of the cylinder core come to lie.

Eine ähnliche Anordnung kann auch in der unteren Schloßhälfte, die hier nicht dargestellt ist, vorgesehen sein.A similar arrangement can also be found in the lower half of the lock, which is not shown here, can be provided.

Wenn ein falscher Schlüssel an der Stelle eines kurzen Sperrelementes 11 eine Erweiterung 9 aufweist, kann die Schloßsperre auf bekannte Weise durch einen gefederten Zuhaltungsstift (Kontrollstift) erfolgen, der im Zylindergehäuse in der gleichen Drehebene wie das Sperrelement sitzt. Dieser Kontrollstift würde nach einer Drehung des Zylinderkerns um etwa 180° in die Bohrung 19 einrasten und das Schloß blockieren.If a wrong key in the place of a short one Locking element 11 has an extension 9, the Lock lock in a known manner by a sprung Tumbler pin (control pin) is made in the cylinder housing in the same plane of rotation as the locking element sitting. This control pin would turn after a Snap the cylinder core into the bore 19 by about 180 ° and block the lock.

Im Unterschied zu dem Ausführungsbeispiel nach Fig. 2 haben die beiden Steuerlängsnuten 7 in Fig. 3 eine andere Querschnittsform. Der Vorteil liegt hier darin, daß im Zylinderkern 18 Rippen 23 vorgesehen sind, die in den Schlüsselkanal 20 vorstehen und die Führung der Sperrelemente 11, 12 verbessern. Die Rippen 23 entsprechen in ihrer Querschnittsform der Steuerlängsnut 7 ohne die Erweiterung 9.In contrast to the exemplary embodiment according to FIG. 2 the two longitudinal control grooves 7 in Fig. 3 have another Cross-sectional shape. The advantage here is that in Cylinder core 18 ribs 23 are provided which in the Key channel 20 protrude and the leadership of the locking elements 11, 12 improve. The ribs 23 correspond to in their cross-sectional shape of the control longitudinal groove 7 without the Extension 9.

Die Figuren 4 und 5 zeigen schematische Schlüsselquerschnitte mit den jeweils möglichen Ausbildungen des Steuergrundes.Figures 4 and 5 show schematic key cross sections with the possible training of the Tax reason.

Fig. 4 entspricht der Ausführung gemäß Fig. 2. Die Anzahl der möglichen Steuergründe hängt von der Abtastgenauigkeit ab und kann z.B. auch drei Steuergründe umfassen, sodaß im Schloß drei verschiedene Längen des Sperrelmentes 11,12 möglich sind.Fig. 4 corresponds to the embodiment according to Fig. 2. The number the possible control reasons depends on the scanning accuracy and can e.g. also include three tax reasons, so that in Locked three different lengths of the locking element 11, 12 possible are.

Fig. 5 entspricht vom Schlüsselquerschnitt her der Ausbildung nach Fig. 3, wobei jede der Schlüssellängsnuten entweder als Steuerlängsnut oder Führungslängsnut wirken kann. Die Zeichnungen sind im Hinblick auf die voranstehenden Aus-führungen von selbst verständlich. Gleiche Elemente tragen die gleichen Bezugszeichen.Fig. 5 corresponds to the key cross section of the training 3, wherein each of the key longitudinal grooves act as either a control longitudinal groove or a longitudinal guide groove can. The drawings are in view of the foregoing Designs of course. Same Elements have the same reference numbers.

Wenn in der Beschreibung und den Ansprüchen vom Flachschlüssel die Rede ist, fällt unter diese Bezeichnung auch jeder diesbezügliche Schlüsselrohling, der alle diese Längsprofilelemente aufweist und erst später durch Anbringen weiterer Fräsungen zum fertigen Schlüssel gemacht wird. Solche Schlüsselrohlinge werden z.B. für Schlüsseldienste angefertigt, die den Schlüssel nach Kundenwunsch fertigstellen. Weiters kann der Schlüssel mit weiteren Variationselementen versehen werden, wie z.B. den Faseneinschnitten gemäß AT-PS 371 881 oder herkömmlichen Schlüsselausnehmungen an der Schlüsselbrust für bekannte Stiftzuhaltungen.If in the description and claims of the flat key is mentioned also falls under this designation any key blank in this regard, all of these Has longitudinal profile elements and only later Attaching further millings to the finished key made becomes. Such key blanks are e.g. for locksmiths made the key according to customer requirements complete. The key can also be used with other keys Variation elements are provided, e.g. the chamfer cuts according to AT-PS 371 881 or conventional key recesses on the key chest for known pin tumblers.

Claims (4)

  1. A flat key for a cylinder lock, whereby the key (1) incorporates at least two permanent magnetic pills (4) in the key shaft (2) and at least one longitudal profile groove (7, 8) each along the key breast (6) and/or along the key back (5), which are characterised in that at least one of the longitudal profile grooves is extended and deepened to take the form of a longitudal guide groove (7) in the area between at least two of the permanent magnetic pills (4).
  2. A flat key according to claim 1, which is characterised in that the transition area between the expanded and non-expanded sections of the longitudal guide groove (7) is routed in a diagonal direction.
  3. A flat key according to claim 1 or 2, which is characterised in that the cross-section of the longitudal guide groove (7) consists of a right-angled uneven-sided triangle whose hypotenuse is formed by the flat side of the key and whose longer triangle side extends in the form of a groove flank (13) from the flat side of the key (10) in a diagonal direction in relation to the longitudal centre area (14) towards the guide base (15), which forms the shorter side of the triangle.
  4. A flat key according to claim 3, which is characterised in that the longitudal guide groove (7) incorporates a longitudal steering groove (8) opposite the other flat side of the key (10), whose groove bottom (17) runs parallel to the groove flank (13) of the longitudal guide groove (7).
EP97107497A 1996-06-13 1997-05-07 Flat key for cylinder lock Expired - Lifetime EP0812971B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1041/96 1996-06-13
AT104196 1996-06-13
AT0104196A AT408562B (en) 1996-06-13 1996-06-13 FLAT KEY FOR A CYLINDLE LOCK

Publications (3)

Publication Number Publication Date
EP0812971A2 EP0812971A2 (en) 1997-12-17
EP0812971A3 EP0812971A3 (en) 1999-03-17
EP0812971B1 true EP0812971B1 (en) 2003-03-05

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EP97107497A Expired - Lifetime EP0812971B1 (en) 1996-06-13 1997-05-07 Flat key for cylinder lock

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EP (1) EP0812971B1 (en)
AT (2) AT408562B (en)
CZ (1) CZ144997A3 (en)
DE (1) DE59709422D1 (en)
HU (1) HU218323B (en)
NO (1) NO972174L (en)
SK (1) SK61497A3 (en)

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DE2643313A1 (en) * 1976-09-25 1978-03-30 Ymos Metallwerke Wolf & Becker Barrel lock with locking magnets - has locking bar sliding radially and positioned by both magnets and pins
AT371196B (en) * 1979-11-28 1983-06-10 Evva Werke LOCK WITH A CYLINDER CORE AND CYLINDER HOUSING
AT368795B (en) * 1981-02-02 1982-11-10 Evva Werke CYLINDER LOCK
AT371663B (en) * 1981-03-20 1983-07-25 Ickinger Georg Dipl Ing DEVICE FOR DISTRIBUTING LIQUIDS ON SURFACES, IN PARTICULAR IRRIGATION DEVICE
AT392317B (en) * 1988-04-27 1991-03-11 Evva Werke Flat key and lock
DE4422093C2 (en) * 1994-06-24 1996-07-11 Wilka Schliestechnik Gmbh Flat key for locking cylinders

Also Published As

Publication number Publication date
EP0812971A2 (en) 1997-12-17
CZ144997A3 (en) 1998-02-18
HU218323B (en) 2000-07-28
AT408562B (en) 2002-01-25
NO972174L (en) 1997-12-15
EP0812971A3 (en) 1999-03-17
ATE233851T1 (en) 2003-03-15
HUP9700874A1 (en) 1998-05-28
ATA104196A (en) 2001-05-15
HU9700874D0 (en) 1997-06-30
NO972174D0 (en) 1997-05-12
SK61497A3 (en) 1998-02-04
DE59709422D1 (en) 2003-04-10

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