EP2686510B1 - Flat key for a locking cylinder and locking cylinder - Google Patents
Flat key for a locking cylinder and locking cylinder Download PDFInfo
- Publication number
- EP2686510B1 EP2686510B1 EP12716183.4A EP12716183A EP2686510B1 EP 2686510 B1 EP2686510 B1 EP 2686510B1 EP 12716183 A EP12716183 A EP 12716183A EP 2686510 B1 EP2686510 B1 EP 2686510B1
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- European Patent Office
- Prior art keywords
- key
- groove
- grooves
- flat key
- cylinder
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- 230000000295 complement effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims 2
- 238000003801 milling Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- 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
- E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7401—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
-
- 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
- E05B19/0029—Key profiles characterized by varying cross-sections of different keys within a lock system
-
- 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
- E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
- E05B19/0064—Rectangular flat keys with key bits on at least one wide side surface of the key and with additional key bits on at least one narrow side edge of the key
Definitions
- the present invention relates to a flat key for a lock cylinder, in particular of locking systems, with substantially flat and approximately parallel key flat sides, a key back and this opposite, toothed on the front side key bit for positioning split into core and housing pins tumbler pins in corresponding key channels of cylinder cores are spring-loaded against the front side of the key bit toward the key back, being provided in the flat sides of the flat key grooves as variation profile elements and as a guide profile elements, wherein at least two grooves of a side of the flat key overlap, the Einstechraumsch is different, so that through the Intersection of the two grooves results in an edge which can be scanned in the direction normal to the longitudinal center plane of the flat key, wherein further overlapped by the two Both grooves are undercut under both ends, and in opposite directions, and wherein the center of the groove bottom - seen in the direction normal to the longitudinal center plane of the key - is covered by these undercuts in at least one groove.
- the invention further relates to a lock cylinder for such a flat
- a lock and a key are of particular importance.
- access areas are defined and implemented by assigning each asset key to one or more locks. This assignment or the exclusion of key and lock with respect to the lock function is achieved in locking systems based on lock cylinders with flat keys, inter alia, by the cross-sectional profile of the key and the cross section of the keyway. Only if the contour of a Key channel cross-section corresponds to a flat key cross-section or wraps this, fits the key in the lock. As soon as the contour of the flat key cross section intersects that of the key channel cross section, the key has no blocking authorization with regard to the abovementioned lock cylinder.
- a replacement key can be procured from the authorized person by means of security notes and strict identity checks. If key blanks are commercially available, a key service with a copy milling device can easily make a spare key by making teeth on the key-breast. If a Kopierfräs coupled is also able to scan a cross-sectional profile on the flat sides of an original key and appropriate milling tools are available, a spare key can also be machined from a metal plate machined.
- this is achieved in that at least one groove and the transition from the groove flank to the groove bottom through the undercut - seen in the direction normal to the longitudinal center plane of the key - is covered.
- the two undercut angles are different.
- a re-milling with a trapezoidal cutter also causes a different formation of at least one groove flank.
- this can not be closed from the angle of a groove on the angle of the other groove, which would facilitate the measurement of the original key.
- the two grooves are provided as guide profile elements.
- the guide profile is included in a locking system trained each key, so thus the desired security is given in any case.
- the groove flank of the Trognut encloses an angle ⁇ less than 90 °, preferably between 30 ° and 45 °, with the median plane of the flat key and the other side edge of the Trognut includes an angle ⁇ between 93 ° and 97 ° with the median plane of the flat key.
- a lock cylinder for a flat key of the type described above is equipped with a cylinder housing and at least one rotatably disposed in a bore of the cylinder housing cylinder core having a profiled keyway, and divided into core and housing pins Zuroisslixen in bores in the cylinder housing and the cylinder core are spring loaded against the front side of the key bit toward the key back.
- the design of the key channel has the same key:
- the profiling of the key channel has two, from a common root on a key channel edge outgoing, V-shaped diverging ribs each with acute outer angles to the keyway flank, which are complementary to the two overlapping grooves of the flat key.
- a sensing element is further provided in at least one cylinder core, which scans the edge, which results from the intersection of the two grooves of the flat key and which may also be formed as a flattening and blocked at too low lying edge or flattening the lock cylinder.
- a sensing element is further provided which scans the presence of the undercut of a groove and blocks the lock cylinder in the absence of the undercut. This prevents that an undercut groove is replaced by a correspondingly larger, V-shaped groove.
- the respective sensing elements are approximately radially displaceable or rotatable within the cylinder core and lie against the shoulder of the undercut of the keyway or to the edge or flattening between the v-shaped diverging grooves in the key.
- a portion of the sensing element so that it fills the recess in the cylinder core on the lateral surface and a housing pin on the filled recess during the blocking process can slide over it.
- a wrong key fits either not at all in the keyway or the housing pin in the plane in which the sensing element is, snaps into the then open recess in the cylinder core, so that this not further rotated (but probably turned back) can be.
- FIG. 1 a key from the side
- Fig. 2 the contour of a section along the line II-II in Fig. 1 with a first profile according to the invention
- Fig. 3 the contour of a cut analogous to Fig. 2 with another profile according to the invention
- Fig. 4 a cylinder core with inserted key according to the Fig. 1 and 2
- the Fig. 5 and 6 show sections along the planes V and VI in Fig. 4 ,
- a key 1 (flat key) of a locking system has a profile in cross-section, in particular a guide profile with grooves 2, 3.
- a guide profile fulfills the task of positioning the key in the keyway.
- the two grooves 2, 3 overlap (cover) each other.
- the piercing direction X for producing the groove 2 and the piercing direction X 1 for producing the groove 3 are different. Thus one can not close from one piercing direction to the other piercing direction, which would facilitate measuring the key.
- the grooves 2, 3 are undercut, in opposite directions. (That is, if one draws the angle X and X 1 between the piercing direction and the longitudinal center plane of the key so that they are smaller than 90 °, then the angle X is measured in the direction of the key back, while the angle X 1 measured toward the key bit.
- the center 4 of the groove 2 (and thus its depth) is not determined by scanning normal to the longitudinal center plane 6 of the key, which makes determining the exact data of the groove 2 (ie width, depth, position and angle X) essential difficult. Not even the transition region 4 'from the flank to the groove bottom is detectable.
- FIG. 2 Further Trognuten 40 and 41 between the overlapping grooves 2, 3 and the toothed key breast (the key bit) are shown in dashed lines. These are part of a variation profile that results from the existence or omission of individual grooves in the system or represented raster of all these possibly also overlapping trough grooves 40 and 41, respectively. Due to the aforementioned angular formation of the flutes, a surface structure can be achieved without disturbing sharp edges.
- Fig. 2 also shows the istsprofilnut 42 whose groove bottom overlaps with the groove bottom of the groove 2, so that the keyway prevents the insertion of a wafer for scanning purposes in complementary complementary training. This overlapping here means exceeding a plane parallel to the longitudinal center plane 6 tangential plane at a groove 2 by another opposing groove 42nd
- Fig. 3 shows a key 1 ', which in addition to the grooves 2 and 3 also grooves 2' and 3 ', which have analogous geometric properties as the grooves 2 and 3.
- the edge is flattened within the grooves 2 'and 3' to a support surface 5 '.
- Fig. 4 is the corresponding cylinder core 9 with a key 1 according to the Fig. 1 and 2 or 3 shown.
- Essential are the two sensing elements 11 and 12, in the Fig. 5 and 6 can be seen more clearly.
- the two sensing elements 11 and 12 are guided in a corresponding recess of the cylinder core 9 so that they move normal to the longitudinal center plane of the key 1, but can not tilt significantly.
- both sensing elements 11 and 12 one end is free (the lower end, as in FIGS Fig. 5 and 6 seen), the other end is applied to the key 1, namely the sensing element 11 at the edge 5 (bearing surface 5 ') and the sensing element 12 at the undercut 8.
- these sensing elements 11 and 12 are outside of the cylinder core depressions 21, 22nd , 31, 32, which slowly become deeper from the outer sides of the scanning elements 11, 12 and terminate in the central region of the scanning elements 11, 12 in a step 21 ', 22', 31 ', 32'.
- These depressions lie in parallel cross-sectional planes in which pin tumblers are provided in the cylinder housing.
- the cylinder core If the cylinder core is rotated so far that the housing pins reach the area of these recesses, then they slide with a correct key on the sensing elements 11 and 12 over the respective stage 21 ', 22', 31 'and 32' away. If the key is not correct, ie if the edge 5 or the support surface 5 'is too deep or the undercut 8 is not present, the scanning elements 11, 12 release the recesses.
- the springs of the housing pins press the housing pins into the respective recess 21, 22, 31 or 32 so that the housing pins rest against the respective step 21 ', 22', 31 'or 32' and the cylinder core 9 can no longer be rotated ,
- the cylinder core 9 can be turned back and not remove the appropriate keys. This works in both directions, even with double-locking cylinders built in the other way around.
- the grooves 2, 3 are too weak in a key copy, i. too narrow or too shallow, then the key can not be introduced into the keyway because of collision with the corresponding ribs in the keyway of the cylinder core 9.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Sewage (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
Die vorliegende Erfindung betrifft einen Flachschlüssel für einen Schließzylinder, insbesondere von Schließanlagen, mit im Wesentlichen ebenen und annähernd parallelen Schlüsselflachseiten, einem Schlüsselrücken und einem diesem gegenüberliegenden, an der Stirnseite gezahnten Schlüsselbart zur Positionierung von in Kern- und Gehäusestifte geteilten Zuhaltungsstiften, die in korrespondierenden Schlüsselkanälen von Zylinderkernen gegen die Stirnseite des Schlüsselbartes in Richtung zum Schlüsselrücken hin federbelastet sind, wobei in den Flachseiten des Flachschlüssels eingeschnittene Nuten als Variationsprofilelemente und als Führungsprofilelemente vorgesehen sind, wobei mindestens zwei Nuten einer Seite des Flachschlüssels überlappen, deren Einstechrichtung unterschiedlich ist, sodass sich durch die Verschneidung der beiden Nuten eine Kante ergibt, die in Richtung normal zur Längsmittelebene des Flachschlüssels abtastbar ist, wobei weiters von den beiden überlappenden Nuten beide hinterschnitten sind, und zwar gegensinnig, und wobei durch diese Hinterschneidungen bei zumindest einer Nut die Mitte des Nutengrundes - in Richtung normal zur Längsmittelebene des Schlüssels gesehen - verdeckt ist. Die Erfindung betrifft ferner einen Schließzylinder für einen derartigen Flachschlüssel.The present invention relates to a flat key for a lock cylinder, in particular of locking systems, with substantially flat and approximately parallel key flat sides, a key back and this opposite, toothed on the front side key bit for positioning split into core and housing pins tumbler pins in corresponding key channels of cylinder cores are spring-loaded against the front side of the key bit toward the key back, being provided in the flat sides of the flat key grooves as variation profile elements and as a guide profile elements, wherein at least two grooves of a side of the flat key overlap, the Einstechrichtung is different, so that through the Intersection of the two grooves results in an edge which can be scanned in the direction normal to the longitudinal center plane of the flat key, wherein further overlapped by the two Both grooves are undercut under both ends, and in opposite directions, and wherein the center of the groove bottom - seen in the direction normal to the longitudinal center plane of the key - is covered by these undercuts in at least one groove. The invention further relates to a lock cylinder for such a flat key.
Der Schutz des Lebens, der Privatsphäre und des Eigentums stehen an höchster Stelle. Daher kommt einem Schloss und einem Schlüssel eine besondere Bedeutung zu. Bei Schließanlagen werden Zutrittsbereiche definiert und durch die Zuordnung jedes Anlagenschlüssels zu einem oder zu mehreren Schlössern realisiert. Diese Zuordnung bzw. der Ausschluss von Schlüssel und Schloss hinsichtlich der Sperrfunktion wird bei Schließanlagen auf der Basis von Schließzylindern mit Flachschlüsseln u.a. durch das Querschnittsprofil der Schlüssel und den Querschnitt des Schlüsselkanals erreicht. Nur dann, wenn die Kontur eines Schlüsselkanalquerschnitts einem Flachschlüsselquerschnitt entspricht oder diesen einhüllt, passt der Schlüssel in das Schloss. Sobald die Kontur des Flachschlüsselquerschnitts jene des Schlüsselkanalquerschnitts schneidet, hat der Schlüssel bezüglich des vorgenannten Schließzylinders keine Sperrberechtigung.The protection of life, privacy and property are paramount. Therefore, a lock and a key are of particular importance. In locking systems, access areas are defined and implemented by assigning each asset key to one or more locks. This assignment or the exclusion of key and lock with respect to the lock function is achieved in locking systems based on lock cylinders with flat keys, inter alia, by the cross-sectional profile of the key and the cross section of the keyway. Only if the contour of a Key channel cross-section corresponds to a flat key cross-section or wraps this, fits the key in the lock. As soon as the contour of the flat key cross section intersects that of the key channel cross section, the key has no blocking authorization with regard to the abovementioned lock cylinder.
Natürlich gilt diese Zuordnung zwischen Schlüssel und Schließzylinder über das Profil - also den Querschnitt von Schlüssel, insbesondere Flachschlüssel, und Schlüsselkanal des Schließzylinders - auch für den Einzelzylinder und den Einzelschlüssel, der nicht unmittelbar Teil einer Schließanlage ist.Of course, this association between key and lock cylinder on the profile - ie the cross section of key, especially flat key, and key channel of the lock cylinder - also applies to the single cylinder and the single key, which is not directly part of a locking system.
Dem Sicherheitsbedürfnis entspricht es, wenn ein Schlüssel nicht ohne weiteres kopiert werden kann. Über Sicherungsscheine und strenge Identitätskontrollen kann ein Ersatzschlüssel beim Originalhersteller vom Berechtigten beschafft werden. Sofern Schlüsselrohlinge im Handel erhältlich sind, kann ein Schlüsseldienst mit einer Kopierfräseinrichtung durch Herstellen einer Zahnung an der Schlüsselbrust einen Ersatzschlüssel problemlos herstellen. Sofern eine Kopierfräseinrichtung darüber hinaus im Stande ist, auch ein Querschnittsprofil an den Flachseiten eines Originalschlüssels abzutasten und entsprechende Fräswerkzeuge vorhanden sind, kann ein Ersatzschlüssel auch aus einem Metallplättchen spanabhebend herausgearbeitet werden. Wenn also bisher durch Beschränkung der freien Zugänglichkeit auf dem Markt die Herstellung von Ersatzschlüsseln für gesperrte Schlüsselprofile mangels eines entsprechenden Rohlings nicht möglich war, so sind heute bereits die technischen Möglichkeiten für Schlüsseldienste vorhanden, Kopien eines Schlüssels sowohl hinsichtlich der Zahnung als auch hinsichtlich des Profils anzufertigen. Das Abtasten eines Schlüsselprofils erfolgt mechanisch oder optisch von der Seite. Dem Ergebnis dieser seitlichen Abtastung folgt das Einstechen bzw. der Vorschub eines oder mehrerer Fräser zur Herstellung von U-förmigen, V-förmigen oder rechteckförmigen Nuten. Durch Schrägstellen des Schlüsselrohlings können Nuten auch schräg zur Mittellinie des Profilquerschnitts, z.B. als hinterschnittene Nuten, hergestellt werden.The security requirement is the same if a key can not be easily copied. A replacement key can be procured from the authorized person by means of security notes and strict identity checks. If key blanks are commercially available, a key service with a copy milling device can easily make a spare key by making teeth on the key-breast. If a Kopierfräseinrichtung is also able to scan a cross-sectional profile on the flat sides of an original key and appropriate milling tools are available, a spare key can also be machined from a metal plate machined. So far, if by restricting the free accessibility in the market, the production of spare keys for locked key profiles for lack of a corresponding blank was not possible, so today the technical possibilities for key services already exist to make copies of a key both in terms of the teeth and in terms of profile , The scanning of a key profile is done mechanically or visually from the side. The result of this lateral scan is followed by the insertion or feed of one or more cutters for the production of U-shaped, V-shaped or rectangular grooves. By tilting the key blank grooves can also be made obliquely to the center line of the profile cross-section, eg as undercut grooves.
Problematisch ist dabei, dass die Schlüsseldienste normalerweise den Querschnitt des Schlüssels etwas "kleiner" machen, d.h. alle Nuten geringfügig breiter und tiefer ausführen, damit der Schlüssel sicher in den Schlüsselkanal eingeführt werden kann. Dadurch kommt es immer wieder vor, dass ein Schlüssel auch in Schlösser eingeführt werden kann, für die er gar nicht vorgesehen ist (so genannte Quersperrungen). Damit wird oft eine ganze Schließanlage entwertet.The problem with this is that the locksmiths normally make the cross-section of the key somewhat "smaller", i. Make all grooves slightly wider and deeper so that the key can be safely inserted into the keyway. As a result, it often happens that a key can also be inserted into locks for which it is not intended (so-called cross locks). This often invalidates a whole locking system.
In der
Eine kostengünstige und genaue Fertigung war in der Praxis nur in der Schlossfabrik möglich, die über Profilräummaschinen sowie über große Fräszentren verfügte, wobei Umspannfehler nicht auftraten, da Fehler verursachende separate Arbeitsgänge mit neuerlichem Vermessen einer Ausgangsposition nicht erforderlich waren.A cost-effective and accurate production was in practice only in the lock factory possible, which had Profilräummaschinen and large milling centers, Umspannfehler did not occur, since error-causing separate operations with a new measurement of a starting position were not required.
Dennoch ist es prinzipiell (wenn auch mit hohem Aufwand verbunden) möglich, derartige Schlüssel zu kopieren, sofern man nur die Nuten deutlich größer (breiter und tiefer) ausführt. Gemäß der
Ein Schlüssel der eingangs genannten Art ist aus der
Aus der
Weiters war auch der Sicherheitsgewinn gering, weil nur das Vorhandensein der Hinterschneidung abgetastet wurde, nicht aber die genaue Ausführung von Nut und Abzweignut.Furthermore, the safety gain was low, because only the presence of the undercut was scanned, but not the exact execution of groove and Abzweignut.
Es ist Aufgabe der vorliegenden Erfindung, einen Flachschlüssel vorzuschlagen, bei dem ein Kopieren noch schwieriger ist als bei den Schlüsseln gemäß der
Erfindungsgemäß wird dies dadurch gelöst, dass bei zumindest einer Nut auch der Übergang von der Nutenflanke zum Nutengrund durch die Hinterschneidung - in Richtung normal zur Längsmittelebene des Schlüssels gesehen - verdeckt ist.According to the invention this is achieved in that at least one groove and the transition from the groove flank to the groove bottom through the undercut - seen in the direction normal to the longitudinal center plane of the key - is covered.
Die Idee dahinter ist Folgende: Wenn der Nutengrund verdeckt ist, ist es besonders schwierig, die genauen Daten der Nut (Tiefe, Breite, Winkel, Lage) zu ermitteln. Die Kante, die sich durch die Verschneidung der beiden Nuten ergibt, kann im Schloss abgetastet werden. Diese Kante kann aber vom Schlüsseldienst nicht unmittelbar hergestellt werden, sondern ergibt sich eben durch die Verschneidung der beiden Nuten. Wenn die Daten von wenigstens einer Nut nicht genau erfassbar sind, befindet sich diese Kante nicht an der vorgesehenen Stelle und der Schlüssel sperrt nicht.The idea behind this is as follows: If the groove bottom is obscured, it is particularly difficult to determine the exact data of the groove (depth, width, angle, position). The edge, which results from the intersection of the two grooves, can be scanned in the lock. But this edge can not be made directly from the locksmith, but results just by the intersection of the two grooves. If the data from at least one groove is not exactly detectable, this edge is not in the designated place and the key does not lock.
Wegen dieser Kante, die abgetastet werden kann, kann beim Kopierfräsen nicht einfach eine trapezförmige Nut angebracht werden, die beide Nuten des Originalschlüssels einhüllt. Durch die Abtastung der Kante im Schloss ist es zwingend notwendig, dass beide Nuten korrekt ausgeführt sind, damit der Schlüssel sperrt.Because of this edge, which can be scanned, copier milling can not simply mount a trapezoidal groove that wraps both grooves of the original key. By scanning the edge in the lock, it is imperative that both grooves are made correctly so that the key locks.
Es ist besonders günstig, wenn die beiden Hinterschneidungswinkel unterschiedlich groß sind. In diesem Fall bewirkt nämlich ein Nachfräsen mit einem Trapezfräser auch eine andere Ausbildung zumindest einer Nutenflanke. Außerdem kann dadurch nicht aus dem Winkel einer Nut auf den Winkel der anderen Nut geschlossen werden, was das Vermessen des Originalschlüssels erleichtern würde.It is particularly advantageous if the two undercut angles are different. In this case, namely a re-milling with a trapezoidal cutter also causes a different formation of at least one groove flank. In addition, this can not be closed from the angle of a groove on the angle of the other groove, which would facilitate the measurement of the original key.
Im Hinblick auf eine Garantie, dass die erfindungsgemäße Ausführung jedenfalls auch bei Schließanlagen aus Sicherheitsgründen stets (also bei allen Schlüsseln, auch beim untergeordnetsten Schlüssel) vorhanden ist, ist es zweckmäßig, wenn die beiden Nuten als Führungsprofilelemente vorgesehen sind. Das Führungsprofil ist innerhalb einer Schließanlage bei jedem Schlüssel ausgebildet, sodass somit die angestrebte Sicherheit jedenfalls gegeben ist.With regard to a guarantee that the inventive design is always present, at least for locking systems for safety reasons (ie for all keys, even the subordinate key), it is expedient if the two grooves are provided as guide profile elements. The guide profile is included in a locking system trained each key, so thus the desired security is given in any case.
Es ist günstig, wenn mindestens eine der beiden Nuten mit einer Führungsprofilnut auf der gegenüberliegenden Seite des Flachschlüssels überlappt. Dies erschwert bekanntermaßen das Einführen von Nachsperrvorrichtungen.It is favorable if at least one of the two grooves overlaps with a guide profile groove on the opposite side of the flat key. This is known to complicate the introduction of Nachsperrvorrichtungen.
Schließlich ist es zweckmäßig, wenn zwischen den überlappenden Nuten und der Schlüsselbrust zumindest eine Trognut vorgesehen ist, wobei die Nutenflanke der Trognut einen Winkel α kleiner 90°, vorzugsweise zwischen 30° und 45°, mit der Mittelebene des Flachschlüssels einschließt und die andere Seitenflanke der Trognut einen Winkel β zwischen 93° und 97° mit der Mittelebene des Flachschlüssels einschließt. Durch die aus der
Ein Schließzylinder für einen Flachschlüssel der oben beschriebenen Art ist ausgestattet mit einem Zylindergehäuse und mindestens einem in einer Bohrung des Zylindergehäuses drehbar angeordneten Zylinderkern, der einen profilierten Schlüsselkanal aufweist, und mit in Kern- und Gehäusestifte geteilten Zuhaltungsstiften, die in Bohrungen des Zylindergehäuses und des Zylinderkernes gegen die Stirnseite des Schlüsselbartes in Richtung zum Schlüsselrücken hin federbelastet sind. Die Ausbildung des Schlüsselkanals ist gegengleich zum Schlüssel: Die Profilierung des Schlüsselkanals weist zwei von einer gemeinsamen Wurzel an einer Schlüsselkanalflanke ausgehende, V-förmig divergierende Rippen mit jeweils spitzen Außenwinkeln zur Schlüsselkanalflanke auf, die zu den beiden überlappenden Nuten des Flachschlüssels komplementär sind. Erfindungsgemäß ist ferner in mindestens einem Zylinderkern ein Abtastelement vorgesehen, das die Kante, die sich durch die Verschneidung der beiden Nuten des Flachschlüssels ergibt und die auch als Abflachung ausgebildet sein kann, abtastet und bei zu tief liegender Kante bzw. Abflachung den Schließzylinder blockiert.A lock cylinder for a flat key of the type described above is equipped with a cylinder housing and at least one rotatably disposed in a bore of the cylinder housing cylinder core having a profiled keyway, and divided into core and housing pins Zuhaltungsstiften in bores in the cylinder housing and the cylinder core are spring loaded against the front side of the key bit toward the key back. The design of the key channel has the same key: The profiling of the key channel has two, from a common root on a key channel edge outgoing, V-shaped diverging ribs each with acute outer angles to the keyway flank, which are complementary to the two overlapping grooves of the flat key. According to the invention, a sensing element is further provided in at least one cylinder core, which scans the edge, which results from the intersection of the two grooves of the flat key and which may also be formed as a flattening and blocked at too low lying edge or flattening the lock cylinder.
Damit sperrt ein Schlüssel weder bei zu hoch noch bei zu tief liegender Kante: Ist die Kante zu hoch, passt der Schlüssel nicht in den Schlüsselkanal, ist sie zu tief, wird das Schloss durch das Abtastelement blockiert.This locks a key neither too high nor too low-lying edge: If the edge is too high, the key does not fit into the Key channel, if it is too deep, the lock is blocked by the sensing element.
Vorzugsweise ist weiters ein Abtastelement vorgesehen, das das Vorhandensein der Hinterschneidung einer Nut abtastet und bei Fehlen der Hinterschneidung den Schließzylinder blockiert. Damit wird verhindert, dass eine hinterschnittene Nut durch eine entsprechend größere, V-förmige Nut ersetzt wird.Preferably, a sensing element is further provided which scans the presence of the undercut of a groove and blocks the lock cylinder in the absence of the undercut. This prevents that an undercut groove is replaced by a correspondingly larger, V-shaped groove.
Die jeweiligen Abtastelemente sind innerhalb des Zylinderkernes etwa radial verschiebbar oder auch verdrehbar und legen sich an die Schulter der Hinterschneidung der Schlüsselnut oder an die Kante bzw. Abflachung zwischen den v-förmig divergierenden Nuten im Schlüssel an. Beim richtigen Schlüssel liegt dann ein Bereich des Abtastelementes so, dass dieses die Ausnehmung im Zylinderkern an der Mantelfläche ausfüllt und einen Gehäusestift über die ausgefüllte Ausnehmung beim Sperrvorgang darüber gleiten kann. Ein falscher Schlüssel passt entweder gar nicht in den Schlüsselkanal oder der Gehäusestift in der Ebene, in der sich das Abtastelement befindet, schnappt in die dann offene Ausnehmung im Zylinderkern ein, sodass dieser nicht weitergedreht (wohl aber zurückgedreht) werden kann.The respective sensing elements are approximately radially displaceable or rotatable within the cylinder core and lie against the shoulder of the undercut of the keyway or to the edge or flattening between the v-shaped diverging grooves in the key. When the right key is then a portion of the sensing element so that it fills the recess in the cylinder core on the lateral surface and a housing pin on the filled recess during the blocking process can slide over it. A wrong key fits either not at all in the keyway or the housing pin in the plane in which the sensing element is, snaps into the then open recess in the cylinder core, so that this not further rotated (but probably turned back) can be.
Ausführungsbeispiele zum Erfindungsgegenstand sind in den Zeichnungen dargestellt. Es zeigt:
Ein Schlüssel 1 (Flachschlüssel) einer Schließanlage weist im Querschnitt ein Profil, insbesondere ein Führungsprofil mit Nuten 2, 3 auf. Ein Führungsprofil erfüllt die Aufgabe der Positionierung des Schlüssels im Schlüsselkanal. Die beiden Nuten 2, 3 überlappen (überdecken) einander. Die Einstechrichtung X zur Herstellung der Nut 2 und die Einstechrichtung X1 zur Herstellung der Nut 3 sind unterschiedlich. Somit kann man nicht von einer Einstechrichtung auf die andere Einstechrichtung schließen, was ein Vermessen des Schlüssels erleichtern würde.A key 1 (flat key) of a locking system has a profile in cross-section, in particular a guide profile with grooves 2, 3. A guide profile fulfills the task of positioning the key in the keyway. The two grooves 2, 3 overlap (cover) each other. The piercing direction X for producing the groove 2 and the piercing direction X 1 for producing the groove 3 are different. Thus one can not close from one piercing direction to the other piercing direction, which would facilitate measuring the key.
Es ist dabei wesentlich, dass die Nuten 2, 3 hinterschnitten sind, und zwar in entgegengesetzten Richtungen. (D.h. wenn man die Winkel X und X1 zwischen der Einstechrichtung und der Längsmittelebene des Schlüssels so einzeichnet, dass sie kleiner als 90° sind, dann wird der Winkel X in Richtung zum Schlüsselrücken gemessen, wogegen der Winkel X1 in Richtung zum Schlüsselbart gemessen wird.) Dadurch ist die Mitte 4 der Nut 2 (und somit deren Tiefe) nicht durch Abtasten normal zur Längsmittelebene 6 des Schlüssels zu bestimmen, was ein Bestimmen der genauen Daten der Nut 2 (also Breite, Tiefe, Lage und Winkel X) wesentlich erschwert. Nicht einmal der Übergangsbereich 4' von der Flanke zum Nutengrund ist detektierbar.It is essential that the grooves 2, 3 are undercut, in opposite directions. (That is, if one draws the angle X and X 1 between the piercing direction and the longitudinal center plane of the key so that they are smaller than 90 °, then the angle X is measured in the direction of the key back, while the angle X 1 measured toward the key bit As a result, the
Auf Grund der sich dadurch ergebenden Ungenauigkeit bei einer nachträglichen Vermessung ist es nahezu unmöglich, dass bei einer Kopie des Schlüssels die Kante 5, die sich durch die Verschneidung der beiden Nuten 2, 3 ergibt und nicht direkt gefräst werden kann, den korrekten Abstand d von der Flanke 7 des Schlüssels 1 hat.Due to the resulting inaccuracy in a subsequent measurement, it is almost impossible for a copy of the key, the
In
In
Die beiden Abtastelemente 11 und 12 sind in einer entsprechenden Aussparung des Zylinderkerns 9 so geführt, dass sie sich zwar normal zur Längsmittelebene des Schlüssels 1 verschieben, jedoch nicht nennenswert kippen können. Bei beiden Abtastelementen 11 und 12 ist ein Ende frei (das untere Ende, wie in den
Wenn der Zylinderkern so weit gedreht wird, dass die Gehäusestifte den Bereich dieser Vertiefungen erreichen, dann gleiten sie bei korrektem Schlüssel an den Abtastelementen 11 bzw. 12 über die jeweilige Stufe 21', 22', 31' bzw. 32' hinweg. Bei nicht korrektem Schlüssel, d.h. wenn die Kante 5 oder die Auflagefläche 5' zu tief liegt bzw. die Hinterschneidung 8 nicht vorhanden ist, geben die Abtastelemente 11, 12 die Vertiefungen frei. Es drücken die Federn der Gehäusestifte die Gehäusestifte in die jeweilige Vertiefung 21, 22, 31 bzw. 32, sodass die Gehäusestifte an der jeweiligen Stufe 21', 22', 31' bzw. 32' anliegen und sich der Zylinderkern 9 nicht weiter drehen lässt. Da die Vertiefungen aber in der Gegenrichtung verlaufend seichter werden, lässt sich der Zylinderkern 9 zurück drehen und der nicht passende Schlüssel abziehen. Dies funktioniert in beiden Richtungen, also auch bei anders herum eingebauten Doppelschließzylindern.If the cylinder core is rotated so far that the housing pins reach the area of these recesses, then they slide with a correct key on the
Von besonderem Vorteil dieser Art der Abtastung ist, dass das Zylindergehäuse nicht verändert werden muss, alle notwendigen Merkmale können am Zylinderkern 9 realisiert werden.Of particular advantage of this type of scanning is that the cylinder housing does not need to be changed, all necessary features can be realized on the
Sind die Nuten 2, 3 bei einer Schlüsselkopie zu schwach ausgeführt, d.h. zu schmal oder zu wenig tief, dann lässt sich der Schlüssel wegen Kollision mit den korrespondierenden Rippen im Schlüsselkanal des Zylinderkerns 9 gar nicht erst in den Schlüsselkanal einführen.If the grooves 2, 3 are too weak in a key copy, i. too narrow or too shallow, then the key can not be introduced into the keyway because of collision with the corresponding ribs in the keyway of the
Es soll darauf hingewiesen werden, dass es in der Praxis nicht notwendig ist, die zusätzliche Abtastung mit den Abtastelementen 11 und 12 bei allen Schlössern einer Schließanlage durchzuführen, da der Schlüsseldienst ja nicht wissen kann, ob diese vorhanden sind oder nicht. Ein Schlüsseldienst kopiert keine Schlüssel, wenn er nicht weiß, ob der Schlüssel sperrt oder nicht. Ein dennoch produzierter Ersatzschlüssel könnte bei Anlagen vielleicht die eine oder andere Tür sperren, jedoch beispielsweise Haupteingänge nicht. Damit wird eine solche "Kopie" sinnlos.It should be noted that it is not necessary in practice to perform the additional scanning with the
Claims (8)
- Flat key (1, 1') for a locking cylinder, in particular of locking installations, having substantially planar and approximately parallel flat key sides, a key back and a key bit which is opposite the back and which is toothed on the end face for positioning retention pins which are divided into core and housing pins and which are resiliently loaded in corresponding key channels of cylinder cores against the end face of the key bit in the direction towards the key back, grooves which are cut in the flat sides of the flat key being provided as variation profile elements and as guiding profile elements, at least two grooves (2, 3) of a side of the flat key overlapping, the insertion directions (X, X1) of which being different so that the intersection of the two grooves (2, 3) produces an edge (5) which can be scanned in the direction perpendicular with respect to the longitudinal centre plane (6) of the flat key (1), both of the two overlapping grooves (2, 3) further being undercut in opposing directions, and in at least one groove (2), the centre (4) of the groove base - when viewed in the direction perpendicular relative to the longitudinal centre plane (6) of the key - being covered by these undercut portions (8), characterised in that, in at least one groove (2), the transition (4 ') from the groove flank to the groove base - when viewed in the direction perpendicular relative to the longitudinal centre plane of the key (1, 1') - is also covered by the undercut portion (8).
- Flat key according to claim 1, characterised in that the two undercut angles (X, X1) are of different sizes.
- Flat key (1) according to claims 1 or 2, characterised in that the two grooves (2, 3) are provided as guiding profile elements.
- Flat key according to claim 3, characterised in that at least one of the two grooves (2, 3) overlaps with a guiding profile groove (42) at the opposing side of the flat key (1, 1').
- Flat key according to any one of claims 1 to 4, characterised in that at least one trough-like groove (40, 41) is provided between the grooves (2, 3) and the key bit, the groove flank of the trough-like groove (40, 41) defining an angle α less than 90°, preferably between 30° and 45°, with the centre plane of the flat key (1) and the other lateral flank of the trough-like groove (40, 41) defining an angle β between 93° and 97° with the centre plane of the flat key (1).
- Locking cylinder for a flat key according to any one of claims 1 to 5, having a cylinder housing and at least one cylinder core which is rotatably arranged in a hole of the cylinder housing and which has a profiled key channel, and having retention pins which are divided into core and housing pins and which are resiliently loaded in holes of the cylinder housing and the cylinder core against the end face of the key bit in the direction towards the back of the key, the profiling of the key channel having two ribs which diverge in a V-shaped manner and which extend from a common root at a key channel flank and each have acute external angles with respect to the key channel flank, characterised in that the two ribs which diverge in a V-shaped manner complement the two overlapping grooves (2, 3, 2', 3') of the flat key (1, 1').
- Locking cylinder according to claim 6, characterised in that there is provided in at least one cylinder core a scanning element (11) which scans the edge (5) which is produced by the intersection of the two grooves (2, 3, 2', 3') of the flat key (1, 1') and which may also be constructed as a flattened portion (5') and, when the edge (5) or flattened portion (5') is excessively low, blocks the locking cylinder.
- Locking cylinder according to claim 6 or claim 7, characterised in that that there is provided in at least one cylinder core a scanning element (12) which scans for the presence of the undercut portion (8) of a groove (2) and, when the undercut portion (8) is missing, blocks the locking cylinder.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12716183T PL2686510T3 (en) | 2011-05-02 | 2012-03-19 | Flat key for a locking cylinder and locking cylinder |
SI201230082T SI2686510T1 (en) | 2011-05-02 | 2012-03-19 | Flat key for a locking cylinder and locking cylinder |
CY20141100738T CY1115554T1 (en) | 2011-05-02 | 2014-09-11 | LEVEL KEY FOR LOCK CYLINDER AND LOCK CYLINDER |
HRP20140905AT HRP20140905T1 (en) | 2011-05-02 | 2014-09-22 | Flat key for a locking cylinder and locking cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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AT2502011 | 2011-05-02 |
Publications (2)
Publication Number | Publication Date |
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EP2686510A2 EP2686510A2 (en) | 2014-01-22 |
EP2686510B1 true EP2686510B1 (en) | 2014-07-02 |
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ID=63144753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12716183.4A Active EP2686510B1 (en) | 2011-05-02 | 2012-03-19 | Flat key for a locking cylinder and locking cylinder |
Country Status (18)
Country | Link |
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EP (1) | EP2686510B1 (en) |
CN (1) | CN103688007B (en) |
AU (1) | AU2012203966B2 (en) |
CY (1) | CY1115554T1 (en) |
DK (1) | DK2686510T5 (en) |
ES (1) | ES2501892T3 (en) |
HK (1) | HK1190771A1 (en) |
HR (1) | HRP20140905T1 (en) |
IL (1) | IL229144A (en) |
MY (1) | MY166091A (en) |
PL (1) | PL2686510T3 (en) |
PT (1) | PT2686510E (en) |
RS (1) | RS53568B1 (en) |
RU (1) | RU2589538C2 (en) |
SI (1) | SI2686510T1 (en) |
UA (1) | UA110828C2 (en) |
WO (1) | WO2012088562A2 (en) |
ZA (1) | ZA201308781B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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HU230723B1 (en) | 2015-11-30 | 2017-12-28 | János Molnár | Wind-power plant |
RU174910U1 (en) * | 2017-06-09 | 2017-11-09 | Общество с ограниченной ответственностью "Уральские локомотивы" | COMBINED KEY |
AT525384B1 (en) * | 2021-03-31 | 2023-06-15 | Dormakaba Austria Gmbh | Flat keys, key blanks, processes for their production and lock cylinders |
HRP20240470T1 (en) | 2021-11-15 | 2024-07-05 | Dormakaba Austria Gmbh | Flat key for a cylinder lock |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4035934C2 (en) * | 1989-11-30 | 1995-07-20 | Wilka Schliestechnik Gmbh | Locking device consisting of key and locking cylinder |
SE505364C2 (en) * | 1993-12-30 | 1997-08-11 | Bo Widen | Cylinder lock-key combination, key, key blank and lock |
AT5123U1 (en) * | 2000-12-22 | 2002-03-25 | Kaba Gege Gmbh | PROFILE SYSTEM |
AT5395U1 (en) | 2001-07-04 | 2002-06-25 | Kaba Gege Gmbh | PROFILE SYSTEM FOR CROSS-SECTION TRAINING OF FLAT KEYS |
AT500638B8 (en) | 2004-08-03 | 2007-02-15 | Kaba Gmbh | LOCKING CYLINDER, FLAT WRENCH AND METHOD FOR THE PRODUCTION THEREOF |
US7665337B1 (en) * | 2009-02-18 | 2010-02-23 | Winloc Ag | Profiled key for cylinder locks |
-
2012
- 2012-03-19 RU RU2013153135/12A patent/RU2589538C2/en active
- 2012-03-19 ES ES12716183.4T patent/ES2501892T3/en active Active
- 2012-03-19 WO PCT/AT2012/050037 patent/WO2012088562A2/en active Application Filing
- 2012-03-19 AU AU2012203966A patent/AU2012203966B2/en active Active
- 2012-03-19 DK DK12716183.4T patent/DK2686510T5/en active
- 2012-03-19 EP EP12716183.4A patent/EP2686510B1/en active Active
- 2012-03-19 PL PL12716183T patent/PL2686510T3/en unknown
- 2012-03-19 CN CN201280021724.3A patent/CN103688007B/en active Active
- 2012-03-19 SI SI201230082T patent/SI2686510T1/en unknown
- 2012-03-19 RS RSP20140531 patent/RS53568B1/en unknown
- 2012-03-19 MY MYPI2013003953A patent/MY166091A/en unknown
- 2012-03-19 UA UAA201313859A patent/UA110828C2/en unknown
- 2012-03-19 PT PT127161834T patent/PT2686510E/en unknown
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2013
- 2013-10-30 IL IL229144A patent/IL229144A/en active IP Right Grant
- 2013-11-21 ZA ZA2013/08781A patent/ZA201308781B/en unknown
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2014
- 2014-04-22 HK HK14103802.6A patent/HK1190771A1/en unknown
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- 2014-09-22 HR HRP20140905AT patent/HRP20140905T1/en unknown
Also Published As
Publication number | Publication date |
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IL229144A0 (en) | 2013-12-31 |
DK2686510T5 (en) | 2014-10-27 |
CY1115554T1 (en) | 2017-01-04 |
EP2686510A2 (en) | 2014-01-22 |
WO2012088562A3 (en) | 2012-09-13 |
HK1190771A1 (en) | 2014-07-11 |
SI2686510T1 (en) | 2014-11-28 |
MY166091A (en) | 2018-05-24 |
HRP20140905T1 (en) | 2015-01-16 |
PT2686510E (en) | 2014-09-24 |
AU2012203966B2 (en) | 2016-10-20 |
WO2012088562A2 (en) | 2012-07-05 |
UA110828C2 (en) | 2016-02-25 |
WO2012088562A4 (en) | 2012-11-22 |
RU2013153135A (en) | 2015-06-10 |
ZA201308781B (en) | 2015-01-28 |
PL2686510T3 (en) | 2014-12-31 |
NZ617345A (en) | 2015-03-27 |
CN103688007B (en) | 2016-10-26 |
DK2686510T3 (en) | 2014-10-13 |
IL229144A (en) | 2017-10-31 |
ES2501892T3 (en) | 2014-10-02 |
RS53568B1 (en) | 2015-02-27 |
CN103688007A (en) | 2014-03-26 |
RU2589538C2 (en) | 2016-07-10 |
AU2012203966A1 (en) | 2013-11-21 |
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