EP0838568B1 - Flat key - Google Patents
Flat key Download PDFInfo
- Publication number
- EP0838568B1 EP0838568B1 EP97112571A EP97112571A EP0838568B1 EP 0838568 B1 EP0838568 B1 EP 0838568B1 EP 97112571 A EP97112571 A EP 97112571A EP 97112571 A EP97112571 A EP 97112571A EP 0838568 B1 EP0838568 B1 EP 0838568B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- groove
- flat key
- code transmitter
- shaped recess
- 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
Links
Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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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
- E05B19/04—Construction of the bow or head of the key; Attaching the bow to the shank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7051—Using a powered device [e.g., motor]
- Y10T70/7057—Permanent magnet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7051—Using a powered device [e.g., motor]
- Y10T70/7062—Electrical type [e.g., solenoid]
- Y10T70/7068—Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7051—Using a powered device [e.g., motor]
- Y10T70/7062—Electrical type [e.g., solenoid]
- Y10T70/7068—Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]
- Y10T70/7073—Including use of a key
- Y10T70/7079—Key rotated [e.g., Eurocylinder]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7802—Multi-part structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7876—Bow or head
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7904—Magnetic features
Definitions
- the invention relates to a flat key made of metal with a transponder as a code transmitter according to the preamble of claim 1.
- Such a flat key is known for example from GB-2,273,128 A.
- the code transmitter is provided together with the ferrite antenna in a recess in the tip of the key shaft. This means that a significant part of the shaft cannot be provided with locking recesses for the tumblers of the lock.
- German patent application 195 17 728.2 in which two ferrite antennas are arranged on the two narrow sides of the key flap on the side of the key flap facing the key shaft.
- the object of the invention is to provide a flat key with a transponder as a code transmitter, which corresponds to a conventional flat key both in terms of its external dimensions and its strength.
- the flat key according to the invention has the same dimensions, in particular the same thickness, as a conventional flat key (without code transmitter) for cylinder locks. For example, it does not apply more to a bunch of keys than a normal flat key. Due to the same external shape, the same appearance and the same dimensions as a normal flat key, it is also not noticeable that the flat key according to the invention is a key with a code transmitter.
- the key according to the invention is handled in the same way as a conventional flat key without a code transmitter.
- a carrier is preferably inserted in the groove-shaped recess in the narrow side of the key ring, which has the code transmitter, the ferrite coil and the line for connecting the code transmitter to the ferrite coil.
- the inserted carrier is glued into the recess with an adhesive or potted therein with a mass.
- the code transmitter or data carrier of the key according to the invention preferably has a read / write memory.
- the code transmitter can be arranged on a circuit board connected to the ferrite antenna.
- the key according to the invention is preferably intended for a cylinder lock
- the cylinder core mounted in the cylinder housing is provided with a key channel
- the mechanical tumblers for locking or unlocking the cylinder
- an actuator arranged in the cylinder housing for displacing a locking member that locks or unlocks the cylinder core
- an energy supply unit has, preferably in the cylinder housing a code evaluator formed by a transponder reading device is provided, which controls the actuator and wherein the locking member engages in at least one recess arranged on the circumference of the cylinder core at a distance from the key channel in the axial region of the cylinder core, which engages with the mechanical Tumblers is provided.
- a cylinder lock emerges from German patent application 195 17 728.2.
- the transponder reading device has a ferrite antenna, the free end of which extends to the front of the cylinder housing.
- the ferrite antenna is preferably designed as a pot coil with its opening facing outwards, the pot being covered with a metal plate on the end face of the cylinder lock for reasons of security against manipulation.
- the key according to the invention is preferably designed as a reversible key.
- the groove-shaped recess extends from one narrow side of the key shank around the entire narrow side of the key sheath to the other narrow side of the key shank, the key sheath being in the groove-shaped recess on both narrow sides a ferrite coil connected to the code transmitter via a line is provided.
- a flat key according to the invention which is not designed as a reversible key, can also be provided with two ferrite coils to increase the energy consumption.
- the flat key according to the invention is primarily intended for a cylinder lock with an actuator, as described above, it can also be used as a data carrier independently of a cylinder lock, i.e. for any other devices which have a transponder reading and / or writing device, for example Access control devices with a transponder reading device or as a data carrier for control devices to authorize services.
- the data carrier or code transmitter is enclosed on three sides by metal. This mechanically protects the encoder.
- the key according to the invention thus also has no molded-on plastic parts which can break off. It therefore has a high mechanical strength and, since it is made entirely of metal, apart from the groove in the narrow side, it does not wear out or get scratched.
- a groove-shaped recess 3 is milled into the key chalk 1 of a conventional reversible flat key 2 made of metal, which recess extends from the one, upper narrow side 4 of the key shaft 5 around the entire narrow side, that is to say the upper narrow side 6, the narrow side facing away from the key shaft 5 7 and the lower narrow side 8 of the key cord 1 extends to the other, that is to say the lower narrow side 9 of the key shaft 5.
- the key 2 is intended for a cylinder lock with a tank housing.
- a widening 10 is therefore provided on the side of the key chalk 1 facing the key shaft 5, which is arranged in a slot in a disk when the key 2 is inserted into the cylinder lock and is rotatably mounted in the armored housing.
- the groove-shaped recess 3 extends through the area of the widening 10. It also has concave indentations 11 and 12 on the upper and lower narrow sides 6 and 8 of the key chalk 1 due to a corresponding contour milling, the indentations 11, 12 forming the shaft 5 open up.
- the one indentation 11 in FIG. 1 can also be omitted.
- the module shown in FIG. 2 is inserted into the groove-shaped recess 3 of the key chalk 1 according to FIG. 1 and has a bow-shaped carrier 13 which, according to the groove-shaped recess 3, consists of an upper section 14, a middle section 15 and a lower section 16 consists.
- the outer edge 17 of the carrier 13 corresponds to the outer contour of the key chalk 1, its inner edge 18 the contour of the bottom 19 (FIG. 4) of the groove 3 in the narrow side of the chalk 1.
- the module with the carrier 13 is equipped with a chip or data carrier 20 , which forms the code transmitter or transponder of the key 2, further with the two ferrite coils 21, 22 and the lines 23, 24, which connect the ferrite coils 21, 22 to the code transmitter 20.
- the code transmitter 20 is provided in a pocket 25 between the outer edge 17 and the inner edge 18 of the carrier 13, while the ferrite coils 21, 22 are arranged in longitudinal recesses 26, 27 at the two ends of the bow-shaped carrier 13.
- One line 24 extends from the chip 20 in the pocket 25 directly to the ferrite coil 22, while the other line 23 to the ferrite coil 21 on the other side of the cover 1 in a groove 28 in the upper section 14, the middle section 15 and the lower section 16 of the carrier 13 extends. 2 is symmetrical to the longitudinal axis of the key. However, the upper pocket 25 'can also be omitted.
- the carrier 13 is formed in one piece and is preferably made of plastic.
- the code transmitter 20 can be arranged on a printed circuit board which is arranged in the pocket 25, the groove 28 and the pocket 25 'and is connected to the two ferrite coils 21, 22.
- the module that is to say the carrier 13 equipped with the code transmitter 20, the lines 23, 24 or the printed circuit board and the ferrite coils 21, 22 is inserted into the groove-shaped recess 3 in the narrow side of the cover 1.
- the key 2 can be designed as a reversible flat key for a cylinder lock, which is designated 29 in FIG. 3.
- the cylinder lock can be designed in accordance with German patent application 195 17 728.2. This means that a cylinder core is rotatably mounted in a cylinder housing, the key channel of which is provided with mechanical tumblers for locking or releasing the cylinder core.
- An actuator is provided in the cylinder housing for displacing a blocking member that blocks or releases the cylinder core. Furthermore, an electronic code evaluator, which controls the actuator, is arranged in the cylinder housing. The electronic code evaluator is formed by a transponder reading device 30 which has a ferrite antenna 31.
- the ferrite antenna 31 is designed as a pot antenna, which is covered with a plate 32 on the front side of the cylinder housing.
- the entire shaft 5 can be provided with locking recesses for the tumblers of the cylinder lock 29.
- the key 2 according to the invention can absorb essentially the same torsional forces as a conventional flat key (without a code transmitter).
- the shaft 5 In the case of flat keys, it is customary for the shaft 5 to break at the bow 1, that is to say at 32, at a predetermined high torsional force of generally 10 Nm, in order to prevent the cylinder lock 29 from being opened or destroyed by force. With the key 2 according to the invention, such a predetermined high torsional force can be set easily.
- the forces extend on both sides of the key axis. Since the plastic carrier 13 can absorb relatively large distortions without damage, the key 2 remains fully functional even if the reide 1 should be bent by rotation relative to the shaft 5.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Push-Button Switches (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Flachschlüssel aus Metall mit einem Transponder als Codegeber nach dem Oberbegriff des Anspruchs 1.The invention relates to a flat key made of metal with a transponder as a code transmitter according to the preamble of claim 1.
Ein derartiger Flachschlüssel ist beispielsweise aus GB-2,273,128 A bekannt. Der Codegeber ist dabei zusammen mit der Ferrit-Antenne in einer Ausnehmung in der Spitze des Schlüsselschaftes vorgesehen. Damit kann ein erheblicher Teil des Schaftes nicht mit Schließvertiefungen für die Zuhaltungen des Schlosses versehen werden.Such a flat key is known for example from GB-2,273,128 A. The code transmitter is provided together with the ferrite antenna in a recess in the tip of the key shaft. This means that a significant part of the shaft cannot be provided with locking recesses for the tumblers of the lock.
Ferner ist es bekannt, den Codegeber und die Ferrit-Antenne in einem Kunststoffmantel an den Breitseiten der Schlüsselreide eines Flachschlüssels anzuordnen. Dadurch wird jedoch ein voluminöser, an einem Schlüsselbund dick auftragender Schlüssel gebildet.Furthermore, it is known to arrange the code transmitter and the ferrite antenna in a plastic jacket on the broad sides of the key chalk of a flat key. However, this creates a voluminous key that is thick on a keychain.
Aus der deutschen Patentanmeldung 195 17 728.2 geht ein Wendeflachschlüssel hervor, bei dem zwei Ferrit-Antennen auf den beiden Schmalseiten der Schlüsselreide auf der dem Schlüsselschaft zugewandten Seite der Schlüsselreide angeordnet sind.A reversible flat key emerges from German patent application 195 17 728.2, in which two ferrite antennas are arranged on the two narrow sides of the key flap on the side of the key flap facing the key shaft.
Aufgabe der Erfindung ist es, einen Flachschlüssel mit einem Transponder als Codegeber bereitzustellen, der sowohl in seinen Außenabmessungen wie der Festigkeit einem herkömmlichen Flachschlüssel entspricht.The object of the invention is to provide a flat key with a transponder as a code transmitter, which corresponds to a conventional flat key both in terms of its external dimensions and its strength.
Dies wird erfindungsgemäß mit einem Flachschlüssel erreicht, der in der Schmalseite der Schlüsselreide eine nutförmige Ausnehmung zur Aufnahme des Codegebers, der Ferrit-Spule und der Leitung zur Verbindung der Ferrit-Spule mit dem Codegeber aufweist, wobei die Ferrit-Spule an der dem Schlüsselschaft zugewandten Seite der Schlusselreide angeordnet ist.This is achieved according to the invention with a flat key which has a groove-shaped recess in the narrow side of the key chord for receiving the code transmitter, the ferrite coil and the line for connecting the ferrite coil to the code transmitter, the ferrite coil on the side facing the key shaft Side of the key chalk is arranged.
Vorteilhafte Ausgestaltungen des erfindungsgemäßen Schlüsseis sind in Unteransprüchen wiedergegeben.Advantageous embodiments of the key according to the invention are given in the subclaims.
Der erfindungsgemäße Flachschlüssel weist die gleichen Abmessungen, insbesondere die gleiche Dicke, wie ein herkömmlicher Flachschlüssel (ohne Codegeber) für Zylinderschlos-ser auf. Er trägt damit beispielsweise an einem Schlüsselbund nicht mehr auf als ein normaler Flachschlüssel. Durch die gleiche äußere Form, das gleiche Aussehen und die gleichen Abmessungen wie ein normaler Flachschlüssel fällt zudem nicht auf, daß es sich bei dem erfindungsgemäßen Flachschlüssel um einen Schlüssel mit einem Codegeber handelt.The flat key according to the invention has the same dimensions, in particular the same thickness, as a conventional flat key (without code transmitter) for cylinder locks. For example, it does not apply more to a bunch of keys than a normal flat key. Due to the same external shape, the same appearance and the same dimensions as a normal flat key, it is also not noticeable that the flat key according to the invention is a key with a code transmitter.
Zur Betätigung eines Zylinderschlosses wird der erfindungsgemäße Schlüssel in gleicher Weise wie ein herkömmlicher Flachschlüssel ohne Codegeber gehandhabt.To actuate a cylinder lock, the key according to the invention is handled in the same way as a conventional flat key without a code transmitter.
In der nutförmigen Ausnehmung in der Schmalseite der Schlüsselreide wird erfindungsgemäß vorzugsweise ein Träger eingelegt, der den Codegeber, die Ferrit-Spule und die Leitung zur Verbindung des Codegebers mit der Ferrit-Spule aufweist. Der eingelegte Träger wird in die Ausnehmung mit einem Klebstoff geklebt oder darin mit einer Masse vergossen.According to the invention, a carrier is preferably inserted in the groove-shaped recess in the narrow side of the key ring, which has the code transmitter, the ferrite coil and the line for connecting the code transmitter to the ferrite coil. The inserted carrier is glued into the recess with an adhesive or potted therein with a mass.
Der Codegeber oder Datenträger des erfindungsgemäßen Schlüssels weist vorzugsweise einen Schreib/Lese-Speicher auf. Der Codegeber kann auf einer mit der Ferrit-Antenne verbundenen Leiterplatte angeordnet sein.The code transmitter or data carrier of the key according to the invention preferably has a read / write memory. The code transmitter can be arranged on a circuit board connected to the ferrite antenna.
Der erfindungsgemäße Schlüssel ist vorzugsweise für ein Zylinderschloß bestimmt, dessen im Zylindergehäuse gelagerte Zylinderkern mit einem Schlüsselkanal versehen ist, der mechanische Zuhaltungen zum Sperren bzw. Freigeben des Zylinders, einen im Zylindergehäuse angeordneten Aktuator zum Verschieben eines den Zylinderkern sperrenden bzw. freigebenden Sperrorgans und eine Energieversorgungseinheit aufweist, wobei vorzugsweise im Zylindergehäuse ein durch eine Transponder-Leseeinrichtung gebildeter Codeauswerter vorgesehen ist, der den Aktuator steuert und wobei das Sperrorgan in wenigstens eine am Umfang des Zylinderkerns im Abstand von dem Schlüsselkanal angeordnete Ausnehmung in dem Axialbereich des Zylinderkerns eingreift, der mit den mechanischen Zuhaltungen versehen ist. Ein solches Zylinderschloß geht aus der deutschen Patentanmeldung 195 17 728.2 hervor.The key according to the invention is preferably intended for a cylinder lock, the cylinder core mounted in the cylinder housing is provided with a key channel, the mechanical tumblers for locking or unlocking the cylinder, an actuator arranged in the cylinder housing for displacing a locking member that locks or unlocks the cylinder core, and an energy supply unit has, preferably in the cylinder housing a code evaluator formed by a transponder reading device is provided, which controls the actuator and wherein the locking member engages in at least one recess arranged on the circumference of the cylinder core at a distance from the key channel in the axial region of the cylinder core, which engages with the mechanical Tumblers is provided. Such a cylinder lock emerges from German patent application 195 17 728.2.
Die Transponder-Leseeinrichtung weist dabei eine Ferrit-Antenne auf, deren freies Ende bis zur Stirnseite des Zylindergehäuses reicht. Die Ferrit-Antenne ist dabei vorzugsweise als mit ihrer Öffnung nach außen gerichtete Topfspule ausgebildet, wobei der Topf aus Gründen der Manipulationssicherheit mit einer Metallplatte an der Stirnseite des Zylinderschlosses abgedeckt ist.The transponder reading device has a ferrite antenna, the free end of which extends to the front of the cylinder housing. The ferrite antenna is preferably designed as a pot coil with its opening facing outwards, the pot being covered with a metal plate on the end face of the cylinder lock for reasons of security against manipulation.
Der erfindungsgemäße Schlüssel ist vorzugsweise als Wendeschlüssel ausgebildet. Dazu erstreckt sich die nutförmige Ausnehmung von einer Schmalseite des Schlüsselschaftes um die gesamte Schmalseite der Schlüsselreide zur anderen Schmalseite des Schlüsselschaftes, wobei in der nutförmigen Ausnehmung auf beiden Schmalseiten der Schlüsselreide je eine mit dem Codegeber über eine Leitung verbundene Ferrit-Spule vorgesehen ist. Damit liegt bei in das Zylinderschloß eingestecktem Schlüssel stets eine der beiden Ferrit-Spulen des Schlüssels der Ferrit-Spule der Transponder-Leseeinrichtung des Zylinderschlosses gegenuber.The key according to the invention is preferably designed as a reversible key. For this purpose, the groove-shaped recess extends from one narrow side of the key shank around the entire narrow side of the key sheath to the other narrow side of the key shank, the key sheath being in the groove-shaped recess on both narrow sides a ferrite coil connected to the code transmitter via a line is provided. Thus, when the key is inserted into the cylinder lock, one of the two ferrite coils of the key is always opposite the ferrite coil of the transponder reading device of the cylinder lock.
Jedoch kann auch ein nicht als Wendeschlussel ausgebildeter erfindungsgemäßer Flachschlüssel zur Erhöhung der Energieaufnahme mit zwei Ferrit-Spulen versehen sein.However, a flat key according to the invention, which is not designed as a reversible key, can also be provided with two ferrite coils to increase the energy consumption.
Der erfindungsgemäße Flachschlüssel ist zwar in erster Linie für ein Zylinderschloß mit einem Aktuator bestimmt, wie oben beschrieben, er kann jedoch auch unabhängig von einem Zylinderschloß als Datenträger benutzt werden, also für beliebige andere Einrichtungen, die eine Transponder-Leseund/oder Schreibeinrichtung aufweisen, beispielsweise Zutrittskontrolleinrichtungen mit einer Transponder-Leseeinrichtung oder als Datenträger für Kontrolleinrichtungen zur Berechtigung von Leistungen.Although the flat key according to the invention is primarily intended for a cylinder lock with an actuator, as described above, it can also be used as a data carrier independently of a cylinder lock, i.e. for any other devices which have a transponder reading and / or writing device, for example Access control devices with a transponder reading device or as a data carrier for control devices to authorize services.
Dadurch, daß er sich in der nutförmigen Ausnehmung in der Schmalseite der Schlüsselreide befindet, ist der Datenträger oder Codegeber auf drei Seiten von Metall umschlossen. Dadurch wird der Codegeber mechanisch geschützt. Auch weist der erfindungsgemäße Schlüssel damit keine angespritzten Kunststoffteile auf, die abbrechen können. Er besitzt also eine hohe mechanische Festigkeit und, da er, abgesehen von der Nut in der Schmalseite, ganz aus Metall besteht, nützt er sich weder ab, noch wird er verkratzt.Because it is located in the groove-shaped recess in the narrow side of the key, the data carrier or code transmitter is enclosed on three sides by metal. This mechanically protects the encoder. The key according to the invention thus also has no molded-on plastic parts which can break off. It therefore has a high mechanical strength and, since it is made entirely of metal, apart from the groove in the narrow side, it does not wear out or get scratched.
Nachstehend ist eine Ausführungsform des erfindungsgemäßen Flachschlüssels in der Zeichnung näher erläutert.An embodiment of the flat key according to the invention is explained in more detail below in the drawing.
Darin zeigen:
- Fig. 1
- einen Längsschnitt durch einen Metallwendeflachschlüssel mit einer nutförmigen Ausnehmung in der Schmalseite der Schlüsselreide, wobei der Schlusselschaft nur teilweise wiedergegeben ist;
- Fig. 2
- eine Draufsicht auf ein in die nutförmige Ausnehmung des Schlüssels nach Fig. 1 einlegbares Modul;
- Fig. 3
- einen Längsschnitt durch den Schlüssel nach dem Einlegen des Moduls nach Fig. 2 in die nutförmige Ausnehmung; und
- Fig. 4
- einen Querschnitt durch den Schlüssel entlang der Linie IV-IV in Fig. 3.
- Fig. 1
- a longitudinal section through a metal reversible flat key with a groove-shaped recess in the narrow side of the key, the key shaft is only partially shown;
- Fig. 2
- a plan view of a module insertable into the groove-shaped recess of the key according to FIG. 1;
- Fig. 3
- a longitudinal section through the key after inserting the module of Figure 2 in the groove-shaped recess. and
- Fig. 4
- a cross section through the key along the line IV-IV in Fig. 3rd
Gemäß Fig. 1 ist in der Schlüsselreide 1 eines herkömmlichen Wendeflachschlüssels 2 aus Metall eine nutförmige Ausnehmung 3 eingefräst, die sich von der einen, oberen Schmalseite 4 des Schlüsselschaftes 5 um die gesamte Schmalseite, also die obere Schmalseite 6, die vom Schlüsselschaft 5 abgewandte Schmalseite 7 und die untere Schmalseite 8 der Schlüsselreide 1 zur anderen, also der unteren Schmalseite 9 des Schlüsselschaftes 5 erstreckt.1, a groove-shaped recess 3 is milled into the key chalk 1 of a conventional reversible flat key 2 made of metal, which recess extends from the one, upper narrow side 4 of the key shaft 5 around the entire narrow side, that is to say the upper narrow side 6, the narrow side facing away from the key shaft 5 7 and the lower narrow side 8 of the key cord 1 extends to the other, that is to say the lower narrow side 9 of the key shaft 5.
Der Schlüssel 2 ist dabei für ein Zylinderschloß mit einem Panzergehäuse bestimmt. Auf der dem Schlüsselschaft 5 zugewandten Seite der Schlüsselreide 1 ist daher eine Verbreiterung 10 vorgesehen, die bei in das Zylinderschloß gestecktem Schlüssel 2 in einem Schlitz in einer Scheibe angeordnet ist, die im Panzergehäuse drehbar gelagert ist.The key 2 is intended for a cylinder lock with a tank housing. A widening 10 is therefore provided on the side of the key chalk 1 facing the key shaft 5, which is arranged in a slot in a disk when the key 2 is inserted into the cylinder lock and is rotatably mounted in the armored housing.
Die nutförmige Ausnehmung 3 erstreckt sich durch den Bereich der Verbreiterung 10. Sie weist ferner durch eine entsprechende Konturausfrasung konkave Einbuchtungen 11 und 12 an der oberen und der unteren Schmalseite 6 und 8 der Schlüsselreide 1 auf, wobei sich die Einbuchtungen 11, 12 zum Schaft 5 hin öffnen. Die eine, in Fig. 1 obere Einbuchtung 11 kann auch entfallen.The groove-shaped recess 3 extends through the area of the widening 10. It also has concave indentations 11 and 12 on the upper and lower narrow sides 6 and 8 of the key chalk 1 due to a corresponding contour milling, the indentations 11, 12 forming the shaft 5 open up. The one indentation 11 in FIG. 1 can also be omitted.
In die nutförmige Ausnehmung 3 der Schlüsselreide 1 nach Fig. 1 wird das in Fig. 2 dargestellte Modul eingelegt, das einen bügelförmigen Träger 13 aufweist, der entsprechend der nutförmigen Ausnehmung 3 aus einem oberen Abschnitt 14, einem mittleren Abschnitt 15 und einem unteren Abschnitt 16 besteht. Der Außenrand 17 des Trägers 13 entspricht der Außenkontur der Schlüsselreide 1, sein Innenrand 18 der Kontur des Bodens 19 (Fig. 4) der Nut 3 in der Schmalseite der Reide 1. Der Modul mit dem Träger 13 ist mit einem Chip oder Datenträger 20 bestückt, der den Codegeber oder Transponder des Schlüssels 2 bildet, ferner mit den beiden Ferrit-Spulen 21, 22 und den Leitungen 23, 24, die die Ferrit-Spulen 21, 22 mit dem Codegeber 20 verbinden.The module shown in FIG. 2 is inserted into the groove-shaped recess 3 of the key chalk 1 according to FIG. 1 and has a bow-shaped carrier 13 which, according to the groove-shaped recess 3, consists of an upper section 14, a middle section 15 and a lower section 16 consists. The outer edge 17 of the carrier 13 corresponds to the outer contour of the key chalk 1, its inner edge 18 the contour of the bottom 19 (FIG. 4) of the groove 3 in the narrow side of the chalk 1. The module with the carrier 13 is equipped with a chip or data carrier 20 , which forms the code transmitter or transponder of the key 2, further with the two ferrite coils 21, 22 and the lines 23, 24, which connect the ferrite coils 21, 22 to the code transmitter 20.
Der Codegeber 20 ist dabei in einer Tasche 25 zwischen dem Außenrand 17 und dem Innenrand 18 des Trägers 13 vorgesehen, während die Ferrit-Spulen 21, 22 in Längsausnehmungen 26, 27 an den beiden Enden des bügelförmigen Trägers 13 angeordnet sind.The code transmitter 20 is provided in a pocket 25 between the outer edge 17 and the inner edge 18 of the carrier 13, while the ferrite coils 21, 22 are arranged in longitudinal recesses 26, 27 at the two ends of the bow-shaped carrier 13.
Die eine Leitung 24 erstreckt sich von dem Chip 20 in der Tasche 25 direkt zur Ferrit-Spule 22, während die andere Leitung 23 zur Ferrit-Spule 21 auf der anderen Seite der Reide 1 in einer Nut 28 im oberen Abschnitt 14, dem mittleren Abschnitt 15 und dem unteren Abschnitt 16 des Trägers 13 verläuft. Der Träger 13 ist gemäß Fig. 2 zur Schlüssellängsachse symmetrisch ausgebildet. Die obere Tasche 25' kann jedoch auch entfallen.One line 24 extends from the chip 20 in the pocket 25 directly to the ferrite coil 22, while the other line 23 to the ferrite coil 21 on the other side of the cover 1 in a groove 28 in the upper section 14, the middle section 15 and the lower section 16 of the carrier 13 extends. 2 is symmetrical to the longitudinal axis of the key. However, the upper pocket 25 'can also be omitted.
Der Träger 13 ist einteilig ausgebildet und besteht vorzugsweise aus Kunststoff. Der Codegeber 20 kann auf einer Leiterplatte angeordnet sein, die in der Tasche 25, der Nut 28 und der Tasche 25' angeordnet und an die beiden Ferrit-Spulen 21, 22 angeschlossen ist.The carrier 13 is formed in one piece and is preferably made of plastic. The code transmitter 20 can be arranged on a printed circuit board which is arranged in the pocket 25, the groove 28 and the pocket 25 'and is connected to the two ferrite coils 21, 22.
Das Modul, also der mit dem Codegeber 20, den Leitungen 23, 24 bzw. der Leiterplatte und den Ferrit-Spulen 21, 22 bestuckte Träger 13 wird in die nutförmige Ausnehmung 3 in der Schmalseite der Reide 1 eingelegt.The module, that is to say the carrier 13 equipped with the code transmitter 20, the lines 23, 24 or the printed circuit board and the ferrite coils 21, 22 is inserted into the groove-shaped recess 3 in the narrow side of the cover 1.
Da der Außenrand 17 des Trägers 13 gemäß Fig. 4 die gleiche Breite wie die Breite der nutförmigen Ausnehmung 3 aufweist, dichtet er den Träger 13 nach außen ab.Since the outer edge 17 of the carrier 13 according to FIG. 4 has the same width as the width of the groove-shaped recess 3, it seals the carrier 13 to the outside.
Der Schlüssel 2 kann als Wendeflachschlüssel für ein Zylinderschloß ausgebildet sein, das in Fig. 3 mit 29 bezeichnet ist. das Zylinderschloß kann dabei entsprechend der deutschen Patentanmeldung 195 17 728.2 ausgebildet sein. Das heißt, in einem Zylindergehäuse ist ein Zylinderkern drehbar gelagert, dessen Schlüsselkanal mit mechanischen Zuhaltungen zum Sperren bzw. Freigeben des Zylinderkerns versehen ist.The key 2 can be designed as a reversible flat key for a cylinder lock, which is designated 29 in FIG. 3. the cylinder lock can be designed in accordance with German patent application 195 17 728.2. This means that a cylinder core is rotatably mounted in a cylinder housing, the key channel of which is provided with mechanical tumblers for locking or releasing the cylinder core.
In dem Zylindergehäuse ist ein Aktuator zum Verschieben eines den Zylinderkern sperrenden bzw. freigebenden Sperrorgans vorgesehen. Ferner ist in dem Zylindergehäuse ein elektronischer Codeauswerter angeordnet, welcher den Aktuator steuert. Der elektronische Codeauswerter wird durch eine Transponder-Leseeinrichtung 30 gebildet, die eine Ferrit-Antenne 31 aufweist.An actuator is provided in the cylinder housing for displacing a blocking member that blocks or releases the cylinder core. Furthermore, an electronic code evaluator, which controls the actuator, is arranged in the cylinder housing. The electronic code evaluator is formed by a transponder reading device 30 which has a ferrite antenna 31.
Wie in Fig. 3 angedeutet, ist die Ferrit-Antenne 31 als Topf-Antenne ausgebildet, welche mit einer Platte 32 an der Stirnseite des Zylindergehäuses abgedeckt ist.As indicated in Fig. 3, the ferrite antenna 31 is designed as a pot antenna, which is covered with a plate 32 on the front side of the cylinder housing.
Bei dem erfindungsgemaßen Schlüssel 2 kann der gesamte Schaft 5 mit Schließvertiefungen für die Zuhaltungen des Zylinderschlosses 29 versehen sein.In the key 2 according to the invention, the entire shaft 5 can be provided with locking recesses for the tumblers of the cylinder lock 29.
Da er lediglich die nutförmige Ausnehmung 3 in der Reide 1 aufweist, kann der erfindungsgemaße Schlüssel 2 im wesentlichen die gleichen Torsionskräfte wie ein herkömmlicher Flachschlüssel (ohne Codegeber) aufnehmen.Since it only has the groove-shaped recess 3 in the cover 1, the key 2 according to the invention can absorb essentially the same torsional forces as a conventional flat key (without a code transmitter).
Bei Flachschlüsseln ist es üblich, daß bei einer vorgegebenen hohen Torsionskraft von im allgemeinen 10 Nm der Schaft 5 an der Reide 1, also bei 32 bricht, um ein gewaltsames Öffnen oder Zerstören des Zylinderschlosses 29 zu verhindern. Mit dem erfindungsgemäßen Schlüssel 2 kann eine solche vorgegebene hohe Torsionskraft ohne weiteres eingestellt werden.In the case of flat keys, it is customary for the shaft 5 to break at the bow 1, that is to say at 32, at a predetermined high torsional force of generally 10 Nm, in order to prevent the cylinder lock 29 from being opened or destroyed by force. With the key 2 according to the invention, such a predetermined high torsional force can be set easily.
Zudem erstrecken sich beim Drehen des Schlüssels 2 die Kräfte beiderseits der Schlüsselachse. Da der Kunststoffträger 13 relativ große Verwindungungen unbeschadet aufnehmen kann, bleibt der Schlüssel 2 auch dann voll funktionsfähig, wenn die Reide 1 gegenüber dem Schaft 5 durch Drehung verbogen werden sollte.In addition, when turning the key 2, the forces extend on both sides of the key axis. Since the plastic carrier 13 can absorb relatively large distortions without damage, the key 2 remains fully functional even if the reide 1 should be bent by rotation relative to the shaft 5.
Claims (9)
- A flat key having a recess in the bow for receiving a transponder as a code transmitter, at least one ferrite coil as an antenna and a line connecting the ferrite coil with the code transmitter, the ferrite coil being disposed on the side of the recess facing the shaft, characterized in that the recess is formed, in the flat key formed as a reversible key and made of metal including the bow (1), by a groove-shaped recess (3) which extends from one narrow side (4) of the shaft (5) around the total narrow side (6, 7, 8) of the bow (1) to the other narrow side (9) of the shaft (5), and one ferrite coil (21, 22) connected with the code transmitter (20) via a line (23, 24) is provided on each narrow side (4, 9) of the shaft (5) in the groove-shaped recess (3) so that the code transmitter (20), the ferrite coils (21, 22) and the lines (23, 24) connecting the ferrite coils (21, 22) with the code transmitter (20) are enclosed by metal on three sides in the groove-shaped recess (3).
- The flat key of claim 1, characterized in that the groove-shaped recess (3) has an indentation (12) for receiving the code transmitter (20).
- The flat key of claim 2, characterized in that the indentation (12) is provided on the side of the bow (1) facing the shaft (5).
- The flat key of any of the above claims, characterized in that a carrier (13) insertable into the groove-shaped recess (3) is provided for receiving the code transmitter (20), the ferrite coil (21, 22) and the line (23, 24).
- The flat key of claim 4, characterized in that the carrier (13) has an outside edge (17) with a width corresponding to the width of the groove-shaped recess (3).
- The flat key of claim 5, characterized in that the contour of the outside edge (17) of the carrier (13) corresponds to the outside contour of the bow (1) in the area of the groove-shaped recess (3).
- The flat key of any of claims 4 to 6, characterized in that the contour of the inside edge (18) of the carrier (13) corresponds to the contour of the bottom (19) of the groove-shaped recess (3).
- The flat key of any of claims 4 to 7, characterized in that the carrier (13) has a pocket (25) for receiving the code transmitter (20) and a gap (26, 27) for receiving the ferrite coil (21, 22).
- The flat key of any of the above claims, characterized in that the code transmitter (20) is disposed on a circuit board connected with the ferrite coil (21, 22).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19644308 | 1996-10-24 | ||
DE19644308A DE19644308C2 (en) | 1996-10-24 | 1996-10-24 | Flat key |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0838568A1 EP0838568A1 (en) | 1998-04-29 |
EP0838568B1 true EP0838568B1 (en) | 2003-09-10 |
Family
ID=7809924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97112571A Expired - Lifetime EP0838568B1 (en) | 1996-10-24 | 1997-07-22 | Flat key |
Country Status (4)
Country | Link |
---|---|
US (1) | US5878611A (en) |
EP (1) | EP0838568B1 (en) |
AT (1) | ATE249564T1 (en) |
DE (2) | DE19644308C2 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
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US6427504B1 (en) * | 1993-08-26 | 2002-08-06 | Strattec Security Corporation | Key assembly for vehicle ignition locks |
DE19505190A1 (en) * | 1995-02-16 | 1996-08-22 | Marquardt Gmbh | Electronic key |
DE19807577C1 (en) | 1998-02-23 | 1999-04-22 | Keso Gmbh | Lock with electronically encoded key |
USD424911S (en) * | 1999-01-22 | 2000-05-16 | Master Lock Company | Key |
USD434301S (en) * | 1999-08-20 | 2000-11-28 | Ford Global Technologies, Inc. | Automotive vehicle key |
USD433921S (en) * | 1999-08-20 | 2000-11-21 | Ford Global Technologies, Inc. | Automotive vehicle key |
USD434302S (en) * | 1999-08-26 | 2000-11-28 | Ford Global Technologies, Inc. | Automotive vehicle key |
DE10045631C2 (en) * | 2000-06-27 | 2003-04-30 | Schulte Zylinderschl Gmbh | Lock cylinder with antenna arranged in the lock cylinder housing |
DE20110755U1 (en) * | 2001-03-19 | 2002-07-25 | Burg-Wächter KG, 58540 Meinerzhagen | Key and locking system |
DE10131280A1 (en) * | 2001-06-28 | 2003-01-23 | Buga Schliessysteme Ag | Coded cylinder lock key has a decoding unit and two antennae cooperating with one in the lock housing |
US20040050122A1 (en) * | 2002-09-13 | 2004-03-18 | Mitchell Ernst Kern | Non-planar key shaped electronic key |
EP1584073B1 (en) * | 2003-01-17 | 2007-11-14 | Keso Ag | Electronic locking device and safety key |
US20080309827A1 (en) * | 2005-03-21 | 2008-12-18 | Nxp B.V. | Filter Device, Circuit Arrangement Comprising Such Filter Device as Well as Method of Operating Such Filter Device |
KR20060102637A (en) * | 2005-03-24 | 2006-09-28 | 김갑식 | Electrical lock apparatus |
US7380428B2 (en) * | 2005-12-12 | 2008-06-03 | Kaba Ilco Corp. | Separable transponder key assembly |
WO2008034022A2 (en) * | 2006-09-14 | 2008-03-20 | The Knox Company | Electronic lock and key assembly |
EP2113887B1 (en) * | 2008-04-30 | 2013-01-02 | Siemens Aktiengesellschaft | Key switch |
DE102012216110A1 (en) * | 2012-09-12 | 2014-03-13 | Aug. Winkhaus Gmbh & Co. Kg | Key with a transponder chip |
US9041510B2 (en) | 2012-12-05 | 2015-05-26 | Knox Associates, Inc. | Capacitive data transfer in an electronic lock and key assembly |
USD881677S1 (en) | 2017-04-27 | 2020-04-21 | Knox Associates, Inc. | Electronic key |
DE102018203550A1 (en) * | 2018-03-08 | 2019-09-12 | Aug. Winkhaus Gmbh & Co. Kg | Key and method of making a key made of metal |
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DE3244566A1 (en) * | 1982-12-02 | 1984-06-14 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf | Method and device for mutual information transmission between electronic lock and key |
DE3500353A1 (en) * | 1985-01-08 | 1986-07-10 | BKS GmbH, 5620 Velbert | MECHANICAL AND NON-MECHANICALLY CODED KEY AND LOCK TO BE OPERATED BY IT |
DE3501482A1 (en) * | 1985-01-18 | 1986-07-24 | Egon 5352 Zülpich Gelhard | DEVICE FOR CONTACTLESS COUPLING OF THE CONTROL AND POWER CURRENTS BETWEEN THE ELECTRONICS ON THE LOCKING CYLINDER AND THE ELECTRONICS IN THE KEY WITH AN ELECTRONIC / MECHANICAL LOCKING DEVICE |
JPS6393649A (en) * | 1986-10-07 | 1988-04-23 | Tokai Rika Co Ltd | Key device for vehicle |
DE3864693D1 (en) * | 1987-02-09 | 1991-10-17 | Berchtold Ag | CONTACT DEVICE FOR TRANSMITTING ELECTRICAL SIGNALS BETWEEN LOCK AND KEY ON A CYLINDLE LOCK. |
JPH0718280B2 (en) * | 1987-10-27 | 1995-03-01 | 本田技研工業株式会社 | Key device |
US4936896A (en) * | 1988-12-19 | 1990-06-26 | Hiroshi Hasegawa | Device for confirming whether a lock is locked or unlocked |
DE8911016U1 (en) * | 1989-09-14 | 1989-10-26 | Volkswagen AG, 3180 Wolfsburg | Key with information electronics |
US5117097A (en) * | 1990-02-27 | 1992-05-26 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Key system for a vehicle |
US4998952A (en) * | 1990-03-02 | 1991-03-12 | Medeco Security Locks, Inc. | Key for electronic and mechanical locks |
GB9100336D0 (en) * | 1991-01-08 | 1991-02-20 | Chubb Lips Nederland Bv | Locks |
DE9202995U1 (en) * | 1992-03-06 | 1992-06-11 | Aug. Winkhaus GmbH & Co KG, 4404 Telgte | Flat key |
DE4207161A1 (en) * | 1992-03-06 | 1993-09-09 | Winkhaus Fa August | ELECTRONIC LOCKING CYLINDER |
US5548984A (en) * | 1993-08-09 | 1996-08-27 | Miyatsu; Takayoshi | Locking/unlocking state confirming device |
US5433096A (en) * | 1993-08-26 | 1995-07-18 | Strattec Security Corporation | Key assembly for vehicle ignition locks |
US5632168A (en) * | 1994-04-07 | 1997-05-27 | Honda Lock Mfg. Co., Ltd. | Key lock device |
DE19517728C2 (en) * | 1995-05-15 | 1998-12-03 | Keso Gmbh | Locking device |
DE19548268C2 (en) * | 1995-12-22 | 2000-02-17 | Telefunken Microelectron | Locking system |
-
1996
- 1996-10-24 DE DE19644308A patent/DE19644308C2/en not_active Expired - Fee Related
-
1997
- 1997-07-22 EP EP97112571A patent/EP0838568B1/en not_active Expired - Lifetime
- 1997-07-22 AT AT97112571T patent/ATE249564T1/en not_active IP Right Cessation
- 1997-07-22 DE DE59710721T patent/DE59710721D1/en not_active Expired - Lifetime
- 1997-09-30 US US08/941,440 patent/US5878611A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE249564T1 (en) | 2003-09-15 |
DE19644308A1 (en) | 1998-04-30 |
DE19644308C2 (en) | 1998-11-12 |
US5878611A (en) | 1999-03-09 |
DE59710721D1 (en) | 2003-10-16 |
EP0838568A1 (en) | 1998-04-29 |
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