EP0324096A2 - Locking cylinder, especially a cylinder for a mortise lock - Google Patents

Locking cylinder, especially a cylinder for a mortise lock Download PDF

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Publication number
EP0324096A2
EP0324096A2 EP88120058A EP88120058A EP0324096A2 EP 0324096 A2 EP0324096 A2 EP 0324096A2 EP 88120058 A EP88120058 A EP 88120058A EP 88120058 A EP88120058 A EP 88120058A EP 0324096 A2 EP0324096 A2 EP 0324096A2
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EP
European Patent Office
Prior art keywords
cylinder
housing
tumbler
lock
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88120058A
Other languages
German (de)
French (fr)
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EP0324096B1 (en
EP0324096A3 (en
Inventor
Hans-Dieter Baden
Edgar Schulenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BKS GmbH
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BKS GmbH
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Publication date
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Priority to AT88120058T priority Critical patent/ATE67004T1/en
Publication of EP0324096A2 publication Critical patent/EP0324096A2/en
Publication of EP0324096A3 publication Critical patent/EP0324096A3/en
Application granted granted Critical
Publication of EP0324096B1 publication Critical patent/EP0324096B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • 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
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00777—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by induction

Definitions

  • the invention relates to a locking cylinder, in particular a profile cylinder intended for mortise locks, which is provided with a cylinder housing and a cylinder core, which is rotatably mounted therein and carries a lock bit, which is to be secured against unauthorized twisting by means of tumbler elements which can be acted upon by a key and a locking element which can be actuated by means of an electromagnet. and wherein control electronics actuating the electromagnet and associated power supply switch are provided.
  • Lock cylinders of the above type are e.g. B. known from AU-PS 320 466.
  • the control electronics are housed in the lock case containing the profile cylinder.
  • a microswitch is built into their power supply line, which, when the cylinder core is rotated, has a mechanical and electronic coding that matches it provided key can be actuated either by a pivoting tumbler plate or by a cam disc that is fixed on the cylinder core next to the lock bit.
  • a profile lock cylinder known from DE-OS 35 01 345, which is also provided with an electromagnetic tumbler, some of its tumbler pins serve as switching contacts via which an intrusion detection system can be armed.
  • the invention is therefore based on the object of providing a locking cylinder of the type mentioned at the outset which does not have the abovementioned shortcomings, but rather ensures simple, undisturbed and energy-saving power supply for the associated control electronics.
  • This object is achieved in that the power supply switch belonging to the control electronics is designed as a magnetosensitive switch accommodated in the cylinder housing, the actuating magnet of which is coupled in terms of movement to one of the housing-side tumbler elements. This ensures that when the appropriate key is inserted, the actuating magnet is brought into the closing, shifting positions like a tumbler element in the magnetosensitive switch and thus the control electronics are supplied with power. Since the magneto-sensitive switch works without contact and is not exposed to any risk of corrosion or contamination, it remains permanently functional with a consistently low electrical contact resistance.
  • the actuating magnet is advantageously designed as a cylindrical-pin-shaped permanent magnet and in the outermost tumbler bore between the housing pin therein and its actuating spring arranged, the magnetosensitive switch is further accommodated in a housing recess which is adjacent to the aforementioned tumbler bore, in particular runs parallel to the latter and is laterally offset relative to the other tumbler bores.
  • the magnetosensitive switch is advantageously designed as a reed contact. However, it can also be designed as a Hall sensor or as a Wiegand sensor.
  • the lock cylinder can also be provided in a manner known from DE-OS 35 00 353 with a detector mounted on the front of the cylinder housing for electronic data and energy exchange between the control electronics and the key, whereby according to a further feature of the invention the cylinder housing on the front side by a detector containing the detector Plastic cap is covered, which also engages under the outermost housing tumbler pin hole.
  • This not only leads to a suitable accommodation of the detector to be mounted on the front side and also the actuating magnet for the magnetosensitive sensor to be accommodated in the adjacent tumbler pin bore, but also brings with it greater security against break-open of the profile cylinder.
  • the plastic cap is expediently clipped onto the cylinder housing, whereby it protrudes with a projection on its bottom into the housing locking pin bore which it covers on the underside and, with its upper concave edge edge, engages behind a collar projection provided on the end face of the cylinder core and provided with a corresponding undercut.
  • the plastic cap can easily be mounted on the correspondingly flattened cylinder housing in this area. With an appropriate surface finish, it also ensures an appealing appearance of the locking cylinder section protruding from the door fitting.
  • the profile lock cylinder shown in Figs. 1 and 2 has a correspondingly profiled cylinder housing 1, in the hollow cylindrical region 1 'of the rotatably mounted cylinder core 2 is housed. On its opposite side there is a further, correspondingly rotatably mounted cylinder core 2 '. Between the two cylinder cores is rotatably supported in the housing recess 1 ⁇ of the locking bit 3, which can be coupled to the respective associated cylinder core 2 for rotary driving via the rotatably connected coupling pieces 4 and their axial displacement when the key 5 is inserted.
  • the key channel 6 with corresponding profile ribs in the cylinder core 2 serves to receive the key 5 to be inserted.
  • the cylinder core 2 is locked against rotation with respect to the cylinder housing 1 by means of pin tumblers of conventional designs.
  • These tumblers consist of the core and housing bores 2 ⁇ or 1 ′ ′ ′ seated core pins 7 and housing pins 8 and the compression springs 9 that act on the latter.
  • the key cuts or notches 5 ′ present in the key shaft make the tumbler pin pairs 7, 8 when inserting the key 5 so displaced against the action of their springs 9 that the joint 10 located between each pair of pins comes into agreement with the separating surface 11 located between the cylinder housing 1 and cylinder core 2, so that the core 2 relative to the housing 1 by means of the introduced key 5 could basically be rotated.
  • the core 2 is additionally blocked against rotation by the armature 12 of an electromagnet 13, which acts as a locking bolt and is accommodated in the bore 14 of the cylinder housing 1.
  • the head 12 'of the armature 12 engages under the action of the compression spring 15 in a recess on the cylinder core 2 on its circumference 16.
  • To actuate the electromagnet 13 and its armature 12 is a not shown, in the castle or better still on the inside of Control electronics accommodated in the door fitting are present in the mutual electronic data via the detector 17 mounted on the end of the cylinder with the key 5 which also contains a non-mechanical coding and bring energy exchange.
  • the control electronics respond and ensure that the electromagnet 13 is briefly acted upon by current. As a result, its armature 12 moves out of the recess 16 in the cylinder core 2, causing the latter to twist and thus correspondingly close the Castle can be made.
  • the power supply to the control electronics is expediently carried out in an energy-saving manner by means of a battery (not shown), if possible also accommodated on the inside of the fitting.
  • the magnetosensitive switch in the form of the reed contact 19, which is accommodated in the cutout 18 in the cylinder housing 1, is installed in the power supply line leading to the control electronics.
  • the magnet required for its actuation is designed as a cylindrical-pin-shaped permanent magnet 20 which is housed between the housing pin 8 IV seated in the outermost housing bore 1 'and its actuating spring 9'.
  • the magnet 20 is so as the pin 8 'slidably mounted in the housing bore 1 IV .
  • the end of the cylinder housing 1 is covered by a plastic cap 21, which forms the detector 17 and forms a coil of the control electronics, which is also the outermost one Housing magnet containment pin bore 1 IV engages under permanent magnets 20.
  • the plastic cap 21 is clipped onto the cylinder housing 2 in such a way that it protrudes with a projection 21 'present on its bottom into the housing retaining pin bore 1 IV covered by it on the underside, while with its upper concave-shaped edge 21' behind one present on the end of the cylinder core 2 , with an appropriate undercut 2 '''provided collar projection 2 IV .
  • the plastic cap 21 is flush with the outside in the overlap area on both sides and below with corresponding flats 22 and 22 'provided cylinder housing 1.
  • the plastic cap 21 protrudes somewhat over the end face of the cylinder core 2, whereby the detector coil 17 housed in the plastic cap in the End face 5 ⁇ of the key 5 housed counter detector can come particularly close.
  • a horizontally running longitudinal cable channel 23 is cut out on one long side of the cylinder housing 1, which merges into a vertically running transverse cable channel 24 on the end face.
  • the power lines shown by the coil detector 17 and by the reed contact 19 can be passed gently, so that they do not interfere with the assembly of the profile cylinder in the lock, especially since they or the like in the channels 23, 24 by resin can be set. Like the control electronics, these lines are not particularly shown in the drawings.
  • the reed contact 19 is first closed via the correspondingly displaced permanent magnet 20 and the power supply to the control electronics is thus switched on.
  • the latter ensures that the electromagnet 13 is briefly flowed through by current, whereby its anchor bolt is pulled out of the recess 16 in the core and the core is released for its rotation by the inserted key, after the mechanical tumbler pin pairs have already been correspondingly adjusted and thereby brought into the separation position between core 2 and cylinder 1.
  • the release position of the anchor bolt 12 can be maintained by means not shown here until the key 5 is extracted again.
  • the electromagnet 13 therefore only needs to be flowed through by the current for a short time.
  • a further requirement for a correspondingly energy-saving battery operation of the electronic cylinder 13 is that the control electronics be switched on by the permanent magnet 20 acting on the reed contact. This switching on takes place for a short period of time both when the key 5 is inserted and when it is removed.
  • the reed contact 19 can in principle also be replaced by a Hall sensor or a Wiegand sensor of known design and mode of operation, as a result of which the control electronics can also be switched on in conjunction with a key-operated pin tumbler.
  • the cap 21 is advantageously made of insulating plastic. They make the locking cylinder protruding a maximum of 3 mm from a security shield optically advantageous and at the same time difficult to attack.

Abstract

Profiled lock cylinders are equipped with a cylinder housing (1) and with a cylinder core (2) which is mounted rotationally adjustably in this and which can be secured against unauthorised rotation by key-actuable tumbler elements (7, 8) and by a blocking element (12) actuable by means of an electromagnet (13), there being furthermore control electronics actuating the electromagnet (13), together with an associated power supply switch (19). The power supply switch is designed as a magnetosensitive switch (19) which is accommodated in the cylinder housing (1) and its actuating magnet (20) is coupled motionally to one of the tumbler elements (8) located on the housing. The switch (19) advantageously consists of a reed contact. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Schließzylinder, insbesondere einen für Einsteckschlösser bestimmten Profilzy­linder, der mit einem Zylindergehäuse und einem darin dreh­verstellbar gelagerten, einen Schließbart tragenden Zylinder­kern versehen ist, der durch schlüsselbeaufschlagbare Zuhal­tungselemente sowie ein mittels eines Elektromagneten betätig­bares Sperrelement gegen unbefugtes Verdrehen zu sichern ist, und wobei eine den Elektromagneten betätigende Steuerelektronik nebst zugehörigem Stromversorgungsschalter vorgesehen ist.The invention relates to a locking cylinder, in particular a profile cylinder intended for mortise locks, which is provided with a cylinder housing and a cylinder core, which is rotatably mounted therein and carries a lock bit, which is to be secured against unauthorized twisting by means of tumbler elements which can be acted upon by a key and a locking element which can be actuated by means of an electromagnet. and wherein control electronics actuating the electromagnet and associated power supply switch are provided.

Schließzylinder obiger Art sind z. B. durch die AU-PS 320 466 bekannt. Dabei ist die Steuerelektronik in dem den Profilzylinder enthaltenden Schloßkasten untergebracht. In ihre Stromversorgungsleitung ist ein Mikroschalter eingebaut, der beim Verdrehen des Zylinderkerns durch einen sowohl mit einer passenden mechanischen als auch elektronischen Kodierung versehenen Schlüssel entweder durch ein dabei verschwenkendes Zuhaltungsplättchen oder durch eine neben dem Schließbart auf dem Zylinderkern drehfest sitzende Nockenscheibe zu betätigen ist. Bei einem durch die DE-OS 35 01 345 bekannten Profil­schließzylinder, der auch mit einer elektromagnetischen Zuhaltung versehen ist, dienen einige seiner Zuhaltungsstifte als Schaltkontakte, über die eine Einbruchmeldeanlage scharf geschaltet werden kann. Die bei diesen vorbekannten Schließ­zylindern vorhandenen mechanischen Schaltkontakte sind aber verschmutzungs- und korrosionsanfällig, so daß es mit zu­nehmender Betriebsdauer zu Schaltzchwierigkeiten kommt, zumal solche Kontakte bei der allfälligen Schloß- bzw. Schlüssel­benutzung auch noch entsprechenden mechanischen Beanspruchungen und Beschädigungen ausgesetzt sind. Ihr elektrischer Übergangs­widerstand nimmt mit der Zeit zu, was sich bei dem gebotenen stromsparenden Betrieb solcher Schlösser, insbesondere wenn sie - wie zumeist -batterieversorgt sind, auf die Dauer um so nachteiliger bemerkbar macht.Lock cylinders of the above type are e.g. B. known from AU-PS 320 466. The control electronics are housed in the lock case containing the profile cylinder. A microswitch is built into their power supply line, which, when the cylinder core is rotated, has a mechanical and electronic coding that matches it provided key can be actuated either by a pivoting tumbler plate or by a cam disc that is fixed on the cylinder core next to the lock bit. In a profile lock cylinder known from DE-OS 35 01 345, which is also provided with an electromagnetic tumbler, some of its tumbler pins serve as switching contacts via which an intrusion detection system can be armed. The mechanical switch contacts present in these known lock cylinders are, however, prone to contamination and corrosion, so that switching difficulties arise with increasing operating time, especially since such contacts are also exposed to corresponding mechanical stresses and damage if the lock or key is used. Their electrical contact resistance increases over time, which becomes all the more disadvantageous in the long run when the locks are operated in a power-saving manner, particularly when they are supplied with batteries, as is usually the case.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Schließzylinder der eingangs erwähnten Gattung zu schaffen, der die vorerwähnten Mängel nicht aufweist, vielmehr bei einfacher Bauart eine dauerhaft ungestörte und energiesparende Stromver­sorgung der zugeordneten Steuerlektronik gewährleistet. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der zur Steuerelektronik gehörende Stromversorgungsschalter als im Zylindergehäuse untergebrachter magnetosensitiver Schalter ausgebildet ist, dessen Betätigungsmagnet mit einem der gehäuseseitigen Zuhaltungselemente bewegungsmäßig gekuppelt ist. Hierdurch wird gewährleistet, daß beim Einführen des passenden Schlüssels der Betätigungsmagnet wie ein Zuhal­tungselement in den magnetosensitiven Schalter Schließende Verschiebepositionen gebracht und damit die Steuerelektronik stromversorgt wird. Da der magnetosensitive Schalter berüh­rungsfrei arbeitet und keinerlei Korrosions- oder Verschmut­zungsgefahr ausgesetzt ist, bleibt er dauerhaft funktions­tüchtig bei gleichbleibend niedrigem elektrischem Übergangs­widerstand.The invention is therefore based on the object of providing a locking cylinder of the type mentioned at the outset which does not have the abovementioned shortcomings, but rather ensures simple, undisturbed and energy-saving power supply for the associated control electronics. This object is achieved in that the power supply switch belonging to the control electronics is designed as a magnetosensitive switch accommodated in the cylinder housing, the actuating magnet of which is coupled in terms of movement to one of the housing-side tumbler elements. This ensures that when the appropriate key is inserted, the actuating magnet is brought into the closing, shifting positions like a tumbler element in the magnetosensitive switch and thus the control electronics are supplied with power. Since the magneto-sensitive switch works without contact and is not exposed to any risk of corrosion or contamination, it remains permanently functional with a consistently low electrical contact resistance.

Bei einem Schließzylinder, dessen Zuhaltungselemente in bekannter Weise aus in im Zylinderkern und gehäuse vorhandenen Bohrungen verschieblich lagernden Kern- und Gehäusestiften sowie letztere beaufschlagenden Federn bestehen, ist der Betätigungsmagnet vorteilhaft als zylinderstiftförmiger Permanentmagnet ausgebildet und in der äußersten Zuhaltungs­bohrung zwischen dem darin gelegenen Gehäusestift und dessen Beaufschlagungsfeder angeordnet, wobei weiterhin der magneto­sensitive Schalter in einer der vorerwähnten Zuhaltungsbohrung benachbarten, insbesondere parallel zu letzterer verlaufenden und gegenüber den übrigen Zuhaltungsbohrungen seitlich versetzten Gehäuseaussparung untergebracht ist. Der magneto­sensitive Schalter ist vorteilhaft als Reed-Kontakt ausge­bildet. Er kann aber auch als Hall-Sensor oder auch als Wiegand-Sensor ausgebildet sein.In the case of a locking cylinder, the tumbler elements of which consist, in a known manner, of core and housing pins which are displaceably mounted in the bores in the cylinder core and housing, and springs which act on the latter, the actuating magnet is advantageously designed as a cylindrical-pin-shaped permanent magnet and in the outermost tumbler bore between the housing pin therein and its actuating spring arranged, the magnetosensitive switch is further accommodated in a housing recess which is adjacent to the aforementioned tumbler bore, in particular runs parallel to the latter and is laterally offset relative to the other tumbler bores. The magnetosensitive switch is advantageously designed as a reed contact. However, it can also be designed as a Hall sensor or as a Wiegand sensor.

Der Schließzylinder kann weiterhin in durch die DE-OS 35 00 353 bekannter Weise mit einem am Zylindergehäuse stirnseitig angebrachten Detektor zum elektronischen Daten- und Energieaustausch zwischen Steuerelektronik und Schlüssel versehen sein, wobei nach einem weiteren Merkmal der Erfindung das Zylindergehäuse stirnseitig durch eine den Detektor enthaltende Kunststoffkappe abgedeckt ist, die auch noch die äußerste Gehäusezuhaltungsstiftbohrung untergreift. Dies führt nicht nur zu einer zweckmäßigen Unterbringung des stirnseitig anzubringenden Detektors und auch des in der benachbarten Zuhaltungsstiftbohrung unterzubringenden Betätigungsmagneten für den magnetosensitiven Sensor, sondern bringt auch eine größere Aufbruchsicherheit des Profilzylinders mit sich. Das zum Aufbrechen solcher Profilzylinder übliche Ansetzen einer Zange an der zumeist wenig aus dem Türbeschlag vorstehenden Zylindergehäuse-Stirnseite führt dann nämlich nur zum Abbrechen bzw. Entfernen der Kunststoffkappe und damit zwar auch zu einer Beschädigung der hier gelegenen elektrischen Teile, nicht aber zu dem sonst damit verbundenen Abbrechen des Profilzylinders in seinem durch die Schließbart-Aussparung und die Halteschrauben-­Bohrung besonders gefährdeten Mittenbereich.The lock cylinder can also be provided in a manner known from DE-OS 35 00 353 with a detector mounted on the front of the cylinder housing for electronic data and energy exchange between the control electronics and the key, whereby according to a further feature of the invention the cylinder housing on the front side by a detector containing the detector Plastic cap is covered, which also engages under the outermost housing tumbler pin hole. This not only leads to a suitable accommodation of the detector to be mounted on the front side and also the actuating magnet for the magnetosensitive sensor to be accommodated in the adjacent tumbler pin bore, but also brings with it greater security against break-open of the profile cylinder. The usual use of pliers to break open such profile cylinders on the front side of the cylinder housing, which mostly does not protrude from the door fitting, leads only to the breaking or removal of the plastic cap and thus to damage of the electrical parts located here, but not to the otherwise connected break-off of the profile cylinder in its central area particularly endangered by the lock bit recess and the retaining screw bore.

Die Kunststoffkappe ist auf dem Zylindergehäuse zweckmäßig aufgeklippst, wobei sie mit einem an ihrem Boden vorhandenen Vorsprung in die von ihr unterseitig abgedeckte Gehäusezuhal­tungsstiftbohrung hineinragt und mit ihrer oberen konkav geformten Randkante hinter einen am Zylinderkern stirnseitig vorhandenen, mit einer entsprechenden Hinterschneidung versehenen Bundvorsprung greift. Hierdurch kann die Kunst­stoffkappe leicht auf dem in diesem Bereich entsprechend abgeflachten zylindergehäuse montiert werden. Sie sorgt bei entsprechender Oberflächenbeschaffenheit auch für ein an­sprechendes Aussehen der aus dem Türbeschlag vorstehenden Schließzylindernpartie.The plastic cap is expediently clipped onto the cylinder housing, whereby it protrudes with a projection on its bottom into the housing locking pin bore which it covers on the underside and, with its upper concave edge edge, engages behind a collar projection provided on the end face of the cylinder core and provided with a corresponding undercut. As a result, the plastic cap can easily be mounted on the correspondingly flattened cylinder housing in this area. With an appropriate surface finish, it also ensures an appealing appearance of the locking cylinder section protruding from the door fitting.

In der Zeichnung ist ein vorteilhaftes Ausführungsbeispiel nach der Erfindung dargestellt. Dabei zeigen

  • Fig. 1 einen senkrechten Schnitt durch die eine Hälfte eines entsprechend beschaffenen Profilschließzylinders in dessen Ruhestellung,
  • Fig. 2 die gleiche Schnittansicht durch den Profilzylinder, jedoch bei teilweise eingestecktem Schlüssel,
  • Fig. 3 einen Teilschnitt nach der Linie III-III der Fig. 2,
  • Fig. 4 eine vergrößerte Schnittdarstellung des Profilzylin­ders im Bereich seines Stromversorgungsschalters,
  • Fig. 5 eine Stirnansicht und
  • Fig. 6 eine Seitenansicht auf das Zylindergehäuse,
  • Fig. 7 und 8 eine Stirnansicht und einen senkrechten Schnitt durch die Kunststoffkappe und
  • Fig. 9 eine teilweise geschnitten Seitenansicht des Profil­zylinders beim Aufklipsen der Kunststoffkappe.
In the drawing, an advantageous embodiment is shown according to the invention. Show
  • 1 is a vertical section through one half of a correspondingly designed profile lock cylinder in its rest position,
  • 2 shows the same sectional view through the profile cylinder, but with the key partially inserted,
  • 3 is a partial section along the line III-III of FIG. 2,
  • 4 is an enlarged sectional view of the profile cylinder in the area of its power supply switch,
  • Fig. 5 is an end view and
  • 6 is a side view of the cylinder housing,
  • 7 and 8 an end view and a vertical section through the plastic cap and
  • Fig. 9 is a partially sectioned side view of the profile cylinder when clipping on the plastic cap.

Der in den Fig. 1 und 2 dargestellte Profilschließzylinder besitzt ein entsprechend profiliertes Zylindergehäuse 1, in dessen hohlzylindrischem Bereich 1′ der drehverstellbar gelagerte Zylinderkern 2 untergebracht ist. Auf seiner gegenüberliegenden Seite ist ein weiterer, entsprechend drehverstellbar gelagerter Zylinderkern 2′ vorhanden. Zwischen den beiden Zylinderkernen ist in der Gehäuseausnehmung 1˝ der Schließbart 3 drehbeweglich gelagert, der über die drehbeweg­lich miteinander verbundenen Kupplungsstücke 4 und deren beim Einführen des Schlüssels 5 erfolgende Axialverschiebung mit dem jeweils zugehörigen Zylinderkern 2 auf Drehmitnahme gekuppelt werden kann. Zur Aufnahme des einzuführenden Schlüssels 5 dient der mit entsprechenden Profilrippen versehene Schlüsselkanal 6 im Zylinderkern 2.The profile lock cylinder shown in Figs. 1 and 2 has a correspondingly profiled cylinder housing 1, in the hollow cylindrical region 1 'of the rotatably mounted cylinder core 2 is housed. On its opposite side there is a further, correspondingly rotatably mounted cylinder core 2 '. Between the two cylinder cores is rotatably supported in the housing recess 1˝ of the locking bit 3, which can be coupled to the respective associated cylinder core 2 for rotary driving via the rotatably connected coupling pieces 4 and their axial displacement when the key 5 is inserted. The key channel 6 with corresponding profile ribs in the cylinder core 2 serves to receive the key 5 to be inserted.

Der Zylinderkern 2 ist gegenüber dem Zylindergehäuse 1 durch Stiftzuhaltungen herkömmlicher Ausbildungen drehverrie­gelt. Diese Stiftzuhaltungen bestehen aus in den miteinander fluchtenden Kern- und Gehäusebohrungen 2˝ bzw. 1′′′ sitzenden Kernstiften 7 und Gehäusestiften 8 sowie den letztere beauf­schlagenden Druckfedern 9. Durch die im Schlüsselschaft vorhandenen Schlüsseleinschnitte bzw. -kerben 5′ werden die Zuhaltungsstiftpaare 7, 8 beim Einführen des Schlüssels 5 derart gegen die Wirkung ihrer Federn 9 verschoben, daß die zwischen jedem Stiftpaar gelegene Stoßstelle 10 mit der zwischen Zylindergehäuse 1 und Zylinderkern 2 gelegenen Trenn­fläche 11 in Übereinstimmung gelangt, so daß dann der Kern 2 gegenüber dem Gehäuse 1 mittels des eingeführten Schlüssels 5 grundsätzlich verdreht werden könnte.The cylinder core 2 is locked against rotation with respect to the cylinder housing 1 by means of pin tumblers of conventional designs. These tumblers consist of the core and housing bores 2˝ or 1 ′ ′ ′ seated core pins 7 and housing pins 8 and the compression springs 9 that act on the latter. The key cuts or notches 5 ′ present in the key shaft make the tumbler pin pairs 7, 8 when inserting the key 5 so displaced against the action of their springs 9 that the joint 10 located between each pair of pins comes into agreement with the separating surface 11 located between the cylinder housing 1 and cylinder core 2, so that the core 2 relative to the housing 1 by means of the introduced key 5 could basically be rotated.

Im vorliegenden Fall wird aber der Kern 2 zusätzlich noch durch den als Sperrbolzen wirkenden Anker 12 eines Elektro­magneten 13 gegen Verdrehen blockiert, der in der Bohrung 14 des Zylindergehäuses 1 untergebracht ist. Dabei greift der Kopf 12′ des Ankers 12 unter Wirkung der Druckfeder 15 in eine am Zylinderkern 2 an dessen Umfang vorhandene Aussparung 16. Zur Betätigung des Elektromagneten 13 und seines Ankers 12 ist eine nicht näher dargestellte, im Schloß oder besser noch auf der Innenseite des Türbeschlages untergebrachte Steuerelektronik vorhanden, die über den stirnseitig am Zylinder angebrachten Detektor 17 mit dem auch eine nichtmechanische Kodierung enthaltenden Schlüssel 5 in gegenseitigen elektronischen Daten­ und Energieaustausch zu bringen ist. Sofern der eingeführte Schlüssel 5 auch die zutreffende nichtmechanische Kodierung aufweist, spricht die Steuerlektronik darauf an und sorgt für eine kurzzeitige Strombeaufschlagung des Elektromagneten 13. Dadurch fährt dessen Anker 12 aus der Aussparung 16 im Zylinderkern 2 heraus, wodurch letzterer verdreht und damit eine entsprechende Schließung des Schlosses vorgenommen werden kann.In the present case, however, the core 2 is additionally blocked against rotation by the armature 12 of an electromagnet 13, which acts as a locking bolt and is accommodated in the bore 14 of the cylinder housing 1. The head 12 'of the armature 12 engages under the action of the compression spring 15 in a recess on the cylinder core 2 on its circumference 16. To actuate the electromagnet 13 and its armature 12 is a not shown, in the castle or better still on the inside of Control electronics accommodated in the door fitting are present in the mutual electronic data via the detector 17 mounted on the end of the cylinder with the key 5 which also contains a non-mechanical coding and bring energy exchange. If the inserted key 5 also has the appropriate non-mechanical coding, the control electronics respond and ensure that the electromagnet 13 is briefly acted upon by current. As a result, its armature 12 moves out of the recess 16 in the cylinder core 2, causing the latter to twist and thus correspondingly close the Castle can be made.

Die Stromversorgung der Steuerelektronik erfolgt zweck­mäßig über eine nicht dargestellte, tunlichst auch auf der Beschlaginnenseite untergebrachte Batterie in energiesparender Weise. Dazu ist in die zur Steuerelektronik führende Strom­versorgungsleitung der in der Aussparung 18 im zylindergehäuse 1 untergebrachte magnetosensitive Schalter in Gestalt des Reed-­Kontaktes 19 eingebaut. Der zu seiner Betätigung notwendige Magnet ist als zylinderstiftförmiger Permanentmagnet 20 ausgebildet, der zwischen dem in der äußersten Gehäusebohrung 1IV sitzenden Gehäusestift 8′ und dessen Beaufschlagungsfeder 9′ untergebracht ist. Der Magnet 20 ist also ebenso wie der Stift 8′ in der Gehäusebohrung 1IV verschieblich gelagert. Beim Einführen des Schlüssels 5 in den Schlüsselkanal 6 des zylinderkerns 2 kommt es somit, wie insbesondere Fig. 2 und 4 verdeutlichen, zu einer entsprechenden Mehrfach-Verschiebung des Permanentmagneten 20, der dabei den Reed-Kontakt 19 nach Erreichen des Mindestverschiebeweges Xmin (Fig. 4) einschaltet. Dabei spielt es keine Rolle, daß der Reed-Kontakt 19 beim Einschieben des Schlüssels mehrmals ein- und ausgeschaltet wird, da die einmal eingeschaltete Steuerelektronik unter Berücksichtigung eines Zeitintervalls diese zusätzlichen Aus- und Einschaltungen zu vernachlässigen erlaubt.The power supply to the control electronics is expediently carried out in an energy-saving manner by means of a battery (not shown), if possible also accommodated on the inside of the fitting. For this purpose, the magnetosensitive switch in the form of the reed contact 19, which is accommodated in the cutout 18 in the cylinder housing 1, is installed in the power supply line leading to the control electronics. The magnet required for its actuation is designed as a cylindrical-pin-shaped permanent magnet 20 which is housed between the housing pin 8 IV seated in the outermost housing bore 1 'and its actuating spring 9'. The magnet 20 is so as the pin 8 'slidably mounted in the housing bore 1 IV . When the key 5 is inserted into the key channel 6 of the cylinder core 2, there is a corresponding multiple displacement of the permanent magnet 20, as is particularly shown in FIGS. 2 and 4, which in this case the reed contact 19 after reaching the minimum displacement path Xmin (FIG. 4) switches on. It does not matter that the reed contact 19 is switched on and off several times when the key is inserted, since the control electronics, once switched on, take into account a time interval to neglect these additional switches on and off.

Das Zylindergehäuse 1 ist stirnseitig durch eine den Detektor 17 bildende Spule der Steuerelektronik enthaltende Kunststoffkappe 21 abgedeckt, die auch noch die äußerste, den Permanentmagneten 20 enthaltende Gehäusezuhaltungsstiftbohrung 1IV untergreift. Die Kunststoffkappe 21 ist auf dem Zylinder­gehäuse 2 derart aufgeklipst, daß sie mit einem an ihrem Boden vorhandenen Vorsprung 21′ in die von ihr unterseitig abgedeckte Gehäusezuhaltungsstiftbohrung 1IV hineinragt, während sie mit ihrer oberen konkav geformten Randkante 21˝ hinter einen am Zylinderkern 2 stirnseitig vorhandenen, mit einer eintsprechen­den Hinterschneidung 2′′′ versehenen Bundvorsprung 2IV greift. Die Kunststoffkappe 21 verläuft außen bündig mit dem in ihrem Überdeckungsbereich beidseitig und unten mit entsprechenden Abflachungen 22 und 22′ versehenen Zylindergehäuse 1. Stirn­seitig springt die Kunststoffkappe 21 etwas über die Stirn­fläche des Zylinderkerns 2 vor, wodurch die in der Kunststoff­kappe untergebrachte Detektorspule 17 dem in der Stirnseite 5˝ des Schlüssels 5 untergebrachten Gegendetektor besonders nahe kommen kann. Wie weiterhin die Fig. 5 und 6 zeigen, ist auf der einen Längsseite des Zylindergehäuses 1 noch ein horizontal verlaufender Kabellängskanal 23 ausgespart, der stirnseitig in einen vertikal verlaufenden Kabelquerkanal 24 übergeht. Durch diese Kanäle können die vom Spulendetektor 17 sowie vom Reed-­Kontakt 19 dargestellten Stromleitungen schonend hindurchge­führt werden, so daß sie bei der Montage des Profilzylinders im Schloß nicht weiter stören, zumal sie in den Kanälen 23, 24 durch Harzeinguß od. dgl. noch besonders festgelegt werden können. Diese Leitungen sind ebenso wie die Steuerelektronik in den Zeichnungen nicht besonders dargestellt.The end of the cylinder housing 1 is covered by a plastic cap 21, which forms the detector 17 and forms a coil of the control electronics, which is also the outermost one Housing magnet containment pin bore 1 IV engages under permanent magnets 20. The plastic cap 21 is clipped onto the cylinder housing 2 in such a way that it protrudes with a projection 21 'present on its bottom into the housing retaining pin bore 1 IV covered by it on the underside, while with its upper concave-shaped edge 21' behind one present on the end of the cylinder core 2 , with an appropriate undercut 2 '''provided collar projection 2 IV . The plastic cap 21 is flush with the outside in the overlap area on both sides and below with corresponding flats 22 and 22 'provided cylinder housing 1. On the front side, the plastic cap 21 protrudes somewhat over the end face of the cylinder core 2, whereby the detector coil 17 housed in the plastic cap in the End face 5˝ of the key 5 housed counter detector can come particularly close. As further shown in FIGS. 5 and 6, a horizontally running longitudinal cable channel 23 is cut out on one long side of the cylinder housing 1, which merges into a vertically running transverse cable channel 24 on the end face. Through these channels, the power lines shown by the coil detector 17 and by the reed contact 19 can be passed gently, so that they do not interfere with the assembly of the profile cylinder in the lock, especially since they or the like in the channels 23, 24 by resin can be set. Like the control electronics, these lines are not particularly shown in the drawings.

Beim Einführen des Schlüssels 5 in den Schlüsselkanal 6 des Profilschließzylinders wird über den entsprechend verscho­benen Permanentmagneten 20 zunächst der Reed-Kontakt 19 geschlossen und damit die Stromversorgung der Steuerelektronik eingeschaltet. Sobald der Schlüssel vollständig eingeführt und seine Kodierung von der eingeschalteten Steuerelektronik als richtig erkannt worden ist, sorgt letztere dafür, daß der Elektromagnet 13 kurzzeitig stromdurchflossen wird, wodurch sein Ankerbolzen aus der Aussparung 16 im Kern herausgezogen und dadurch der Kern für seine Verdrehung durch den einge­führten Schlüssel freigegeben wird, nachdem zuvor bereits die mechanischen Zuhaltungsstiftpaare entsprechend abgeglichen und dadurch in die Trennstellung zwischen Kern 2 und Zylinder 1 gebracht worden sind. Die Freigabestellung des Ankerbolzens 12 kann durch hier nicht näher dargestellte Mittel solange gewahrt bleiben, bis der Schlüssel 5 wieder abgezongen wird. Der Elektromagnet 13 braucht also nur kurzfristig vom Strom durchflossen zu werden. Weitere Voraussetzung für einen entsprechend stromsparenden Batteriebetrieb des Elektronikzy­linders 13 ist das Einschalten der Steuerelektronik durch den den Reed-Kontakt beaufschlagenden Permanentmagneten 20. Dieses Einschalten erfolgt für jeweils kurze Dauer sowohl beim Einstecken als auch beim Herausziehen des Schlüssel 5.When the key 5 is inserted into the key channel 6 of the profile locking cylinder, the reed contact 19 is first closed via the correspondingly displaced permanent magnet 20 and the power supply to the control electronics is thus switched on. As soon as the key is completely inserted and its coding has been recognized as correct by the switched-on control electronics, the latter ensures that the electromagnet 13 is briefly flowed through by current, whereby its anchor bolt is pulled out of the recess 16 in the core and the core is released for its rotation by the inserted key, after the mechanical tumbler pin pairs have already been correspondingly adjusted and thereby brought into the separation position between core 2 and cylinder 1. The release position of the anchor bolt 12 can be maintained by means not shown here until the key 5 is extracted again. The electromagnet 13 therefore only needs to be flowed through by the current for a short time. A further requirement for a correspondingly energy-saving battery operation of the electronic cylinder 13 is that the control electronics be switched on by the permanent magnet 20 acting on the reed contact. This switching on takes place for a short period of time both when the key 5 is inserted and when it is removed.

Im Rahmen der vorliegenden Erfindung sind mancherlei Abwandlungen möglich. Insbesondere kann an die Stelle des Reed-­Kontaktes 19 grundsätzlich auch ein Hall-Sensor oder auch ein Wiegand-Sensor bekannter Bauart und Funktionsweise treten, wodurch die Steuerelektronik ebenfalls in Verbindung mit einer schlüsselbetätigbaren Stiftzuhaltung eingeschaltet werden kann. Die Kappe 21 besteht vorteilhaft aus isolierendem Kunststoff. Durch sie wird der maximal 3 mm aus einem Sicherheitsschild herausragende Schließzylinder optisch vorteilhaft gestaltet und zugleich auch schwer angreifbar. Schließlich versteht es sich, daß die Erfindung grundsätzlich auch bei mit anderen Zu­haltungselementen, wie z. B. Zuhaltungsplättchen, versehenen Schließzylindern nutzbringend anwendbar ist.Various modifications are possible within the scope of the present invention. In particular, the reed contact 19 can in principle also be replaced by a Hall sensor or a Wiegand sensor of known design and mode of operation, as a result of which the control electronics can also be switched on in conjunction with a key-operated pin tumbler. The cap 21 is advantageously made of insulating plastic. They make the locking cylinder protruding a maximum of 3 mm from a security shield optically advantageous and at the same time difficult to attack. Finally, it is understood that the invention in principle also with other tumbler elements, such as. B. tumbler plate, provided locking cylinders is useful.

Claims (9)

1. Schließzylinder, insbesondere für Einsteckschlösser be­stimmter Profilzylinder, mit einem Zylindergehäuse (1) und einem darin drehverstellbar gelagerten, einen Schließbart tragenden Zylinderkern (2), der durch schlüsselbeaufschlagbare Zuhaltungselemente (7,8) sowie ein mittels eines Elektromagneten (13) betätigbares Sperrelement (12) gegen unbefugtes Verdrehen zu sichern ist, und mit einer den Elektromagneten (13) betätigenden Steuerelektronik nebst zugehörigem Stromversorgungsschal­ter (19), dadurch gekennzeichnet, daß letzterer als im Zylindergehäuse (1) untergebrachter magnetosensitiver Schalter (19) ausgebildet ist, dessen Betätigungsmagnet (20) mit einem der gehäuseseitigen Zuhaltungselemente (8′) bewegungsmäßig gekuppelt ist.1. Locking cylinder, in particular for mortise locks intended for profile cylinders, with a cylinder housing (1) and a cylinder core (2) which is rotatably mounted therein and has a lock bit, which can be actuated by means of tumbler elements (7, 8) which can be acted upon by a key and a locking element which can be actuated by means of an electromagnet (13) ( 12) is to be secured against unauthorized rotation, and with control electronics actuating the electromagnet (13) and associated power supply switch (19), characterized in that the latter is designed as a magnetosensitive switch (19) accommodated in the cylinder housing (1), the actuating magnet (20 ) with one of the housing-side tumbler elements (8 ') is coupled in terms of movement. 2. Schließzylinder nach Anspruch 1, dessen Zuhaltungsele­mente aus in im Zylinderkern und - gehäuse vorhandenen Bohrungen verschieblich lagernden Kern- und Gehäusestif­ten sowie letztere beaufschlagenden Federn bestehen, dadurch gekennzeichnet, daß der Betätigungsmagnet als zylinderstiftförmiger Permanent­magnet (20) ausgebildet und in der äußersten Zuhaltungs­bohrung (1IV) zwischen dem darin gelegenen Gehäusestift (8′), und dessen Beaufschlagungsfeder (9′) angeordnet ist, und daß weiterhin der magnetosensitive Schalter (19) in einer der vorerwähnten Zuhaltungsbohrung (1IV) benachbarten, insbesondere parallel zu letzterer verlau­fenden und gegenüber den übrigen Zuhaltungsbohrungen (1′′′) seitlich versetzten Gehäuseaussparung (18) untergebracht ist.2. Lock cylinder according to claim 1, the tumbler elements in existing in the cylinder core and - housing displaceably mounted core and housing pins and the latter acting springs, characterized in that the actuating magnet is designed as a cylindrical pin-shaped permanent magnet (20) and in the outermost tumbler bore (1 IV ) between the housing pin (8 ') located therein, and its actuating spring (9') is arranged, and that furthermore the magnetosensitive switch (19) in one of the aforementioned tumbler bore (1 IV ) adjacent, in particular parallel to the latter and opposite the remaining tumbler holes (1 ''') laterally offset housing recess (18) is housed. 3. Schließzylinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der magnetosensitive Schalter aus einem Reed-Kontakt (19) besteht.3. Lock cylinder according to claim 1 or 2, characterized in that the magneto-sensitive switch consists of a reed contact (19). 4. Schließzylinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der magnetosensitive Schalter (19) als Hall-Sensor ausgebildet ist.4. Lock cylinder according to claim 1 or 2, characterized in that the magnetosensitive switch (19) is designed as a Hall sensor. 5. Schließzylinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der magnetosensitive Schalter (19) als Wiegend-Sensor ausgebildet ist.5. Lock cylinder according to claim 1 or 2, characterized in that the magnetosensitive switch (19) is designed as a weighing sensor. 6. Schließzylinder nach einem der Ansprüche 1 bis 5, mit einem am Zylindergehäuse stirnseitig angebrachten Detektor zum elektronischen Daten- und Energieaustausch zwischen Steuerelektronik und Schlüssel, dadurch ge­kennzeichnet, daß das Zylindergehäuse (1) stirnseitig durch eine den Detektor (17) enthaltende Kunststoffkappe (21) abgedeckt ist, die auch noch die äußerste Gehäusezuhaltungsstiftbohrung (1IV untergreift.6. Lock cylinder according to one of claims 1 to 5, with a detector attached to the end of the cylinder housing for electronic data and energy exchange between control electronics and key, characterized in that the cylinder housing (1) on the end face by a plastic cap (21) containing the detector (17) ) is covered, which also engages under the outermost housing tumbler pin hole (1 IV . 7. Schließzylinder nach Anspruch 6, dadurch ge­kennzeichnet, daß die Kunststoffkappe (21) auf dem Zylindergehäuse (1) aufgeklipst ist, wobei sie mit einem an ihrem Boden vorhandenen Vorsprung (21′) in die von ihr unterseitig abgedeckte Gehäusezuhaltungsstift­bohrung (1IV) hineinragt und mit ihrer oberen konkav geformten Randkante (21˝) hinter einen am Zylinderkern (2) stirnseitig vorhandenen, mit einer entsprechenden Hinterschneidung (2′′′) versehenen Bundvorsprung (2IV) greift.7. A cylinder lock according to claim 6, characterized in that the plastic cap is clipped onto the cylinder housing (1) (21), wherein it protrudes with an existing at the bottom projection (21 ') in the under side covered by it Gehäusezuhaltungsstiftbohrung (1 IV) and with its upper concave-shaped edge (21˝) engages behind a collar projection (2 IV ) provided on the end face of the cylinder core (2) with a corresponding undercut (2 '''). 8. Schließzylinder nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Kunststoffkappe (21) außen bündig mit dem in ihrem Überdeckungsbereich beidseitig und unten entsprechend abgeflachten Zylinder­gehäuse (1) verläuft, sowie stirnseitig über die Stirn­fläche des Zylinderkerns (2) vorspringt.8. Lock cylinder according to claim 6 or 7, characterized in that the plastic cap (21) is flush on the outside with the correspondingly flattened cylinder housing (1) on both sides and in its overlap area, and projects on the end face over the end face of the cylinder core (2). 9. Schließzylinder nach einem der Ansprüche 6 bis 8, da­durch gekennzeichnet, daß auf der einen Längsseite des Zylindergehäuses (1) ein nahe seinem zylindrischen Bereich (1′) horizontal verlaufender Kabel-­Längskanal (23) ausgespart ist, der stirnseitig in einen vertikal verlaufenden Kabel-Querkanal (24) übergeht.9. Lock cylinder according to one of claims 6 to 8, characterized in that on one On the long side of the cylinder housing (1) a horizontally extending longitudinal cable channel (23) is cut out near its cylindrical region (1 '), which merges into a vertically extending transverse cable channel (24).
EP88120058A 1988-01-09 1988-12-01 Locking cylinder, especially a cylinder for a mortise lock Expired - Lifetime EP0324096B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88120058T ATE67004T1 (en) 1988-01-09 1988-12-01 LOCKING CYLINDER, IN PARTICULAR PROFILE CYLINDER INTENDED FOR MORTISE LOCKS.

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DE3800414A DE3800414A1 (en) 1988-01-09 1988-01-09 LOCKING CYLINDERS, PARTICULAR PROFILE CYLINDERS, IN PARTICULAR FOR POCKET LOCKS
DE3800414 1988-01-09

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EP0324096A2 true EP0324096A2 (en) 1989-07-19
EP0324096A3 EP0324096A3 (en) 1989-09-20
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FR2654457A1 (en) * 1989-11-15 1991-05-17 Muel Jean Jacques Lock of very high security with multiple tumblers distributed in two groups, a group of transmission tumblers and a group of operating tumblers, comprising a non-mechanical key/lock dialogue means
FR2655367A1 (en) * 1989-12-05 1991-06-07 Vachette Sa Mechanically and electrically secured double cylinder lock
DE9004623U1 (en) * 1990-04-24 1990-06-21 Bks Gmbh, 5620 Velbert, De
EP0462316A1 (en) * 1990-06-20 1991-12-27 Karl Fliether GmbH &amp; Co. KG Double cylinder lock with electric locking means
EP0528513A1 (en) * 1991-05-13 1993-02-24 Abloy Security Ltd. Oy Electromechanical cylinder lock
US5307658A (en) * 1991-08-02 1994-05-03 Kabushiki Kaisha Tokai Rika Denki Seisakusho Key cylinder device
EP0525730A1 (en) * 1991-08-02 1993-02-03 Kabushiki Kaisha Tokai Rika Denki Seisakusho Cylinder lock and key
EP0559158A1 (en) * 1992-03-06 1993-09-08 Aug. Winkhaus GmbH &amp; Co. KG Electronic plug
DE4207161A1 (en) * 1992-03-06 1993-09-09 Winkhaus Fa August ELECTRONIC LOCKING CYLINDER
US5469727A (en) * 1992-03-06 1995-11-28 Aug.Winkhaus Gmbh & Co. Kg Electronic lock cylinder
EP0882858A3 (en) * 1994-10-25 1999-08-18 WILKA SCHLIESSTECHNIK GmbH Lock cylinder with electromagnetically actuated tumbler pin
EP0709533A3 (en) * 1994-10-25 1996-09-04 Karrenberg Fa Wilhelm Lock cylinder with electromagnetically actuated tumbler pin
EP0882858A2 (en) * 1994-10-25 1998-12-09 WILKA SCHLIESSTECHNIK GmbH Lock cylinder with electromagnetically actuated tumbler pin
US5870915A (en) * 1994-11-30 1999-02-16 Texas Instruments Incorporated Key lock having inductive key detection and method of construction
EP0715045A1 (en) * 1994-11-30 1996-06-05 Texas Instruments Incorporated Lock having inductive key detection and method of construction
EP0860567A1 (en) * 1997-02-21 1998-08-26 C. Ed. Schulte GmbH Zylinderschlossfabrik Locking device with a cylinder lock
US8528373B2 (en) 1997-06-06 2013-09-10 Richard G. Hyatt, Jr. Electronic cam assembly
EP1065335A1 (en) * 1999-06-30 2001-01-03 Buga Schliesssysteme AG Electro-mechanical lock system
DE10020038A1 (en) * 2000-04-22 2001-10-25 Winkhaus Fa August Electromagnetically activatable locking mechanism
DE10115074A1 (en) * 2001-03-27 2002-10-02 Winkhaus Fa August Lock cylinder with electromagnetic locking device has electronic control detecting code of inserted key for release of locking pin blocking movement of lock cylinder core
EP1338733A1 (en) * 2002-02-26 2003-08-27 BKS GmbH Lock cylinder
EP1378620A2 (en) * 2002-07-03 2004-01-07 DOM-Sicherheitstechnik GmbH & Co. KG Anti-tampering electromagnet arrangement, electronic cylinder lock and method of preventing tampering of an electromagnet arrangement
EP1378620A3 (en) * 2002-07-03 2006-10-25 DOM-Sicherheitstechnik GmbH & Co. KG Anti-tampering electromagnet arrangement, electronic cylinder lock and method of preventing tampering of an electromagnet arrangement
WO2011011803A1 (en) * 2009-07-27 2011-02-03 Evva Sicherheitstechnologie Gmbh Reading and/or writing unit for identification media
CN107700959A (en) * 2017-11-17 2018-02-16 刁志诚 A kind of combined type with multistage checking system can adjust magnetic control lock
CN112233279A (en) * 2019-06-27 2021-01-15 南京南瑞继保电气有限公司 Computer key for transformer substation anti-error safety system
CN112233279B (en) * 2019-06-27 2022-06-28 南京南瑞继保电气有限公司 Computer key for transformer substation anti-error safety system
CN110409919A (en) * 2019-07-03 2019-11-05 西安慧晶智能科技有限公司 A kind of core of emergency lock that key insertion is i.e. self-locking
EP4191004A1 (en) * 2021-12-03 2023-06-07 dormakaba Schweiz AG Locking device for a locking element
WO2023099728A1 (en) * 2021-12-03 2023-06-08 Dormakaba Schweiz Ag Locking device for a closure element
US11655653B1 (en) 2022-04-15 2023-05-23 Digilock Asia Ltd. Electronically operated lock cylinder

Also Published As

Publication number Publication date
DE3800414A1 (en) 1989-07-20
DE3864673D1 (en) 1991-10-10
ATE67004T1 (en) 1991-09-15
EP0324096B1 (en) 1991-09-04
EP0324096A3 (en) 1989-09-20

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