DE4033840C2 - Electrically operated door opener with panic function - Google Patents

Electrically operated door opener with panic function

Info

Publication number
DE4033840C2
DE4033840C2 DE19904033840 DE4033840A DE4033840C2 DE 4033840 C2 DE4033840 C2 DE 4033840C2 DE 19904033840 DE19904033840 DE 19904033840 DE 4033840 A DE4033840 A DE 4033840A DE 4033840 C2 DE4033840 C2 DE 4033840C2
Authority
DE
Germany
Prior art keywords
door
door opener
locking elements
leaf
solenoid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE19904033840
Other languages
German (de)
Other versions
DE4033840A1 (en
Inventor
W Dipl Ing Knicker
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19904033840 priority Critical patent/DE4033840C2/en
Publication of DE4033840A1 publication Critical patent/DE4033840A1/en
Application granted granted Critical
Publication of DE4033840C2 publication Critical patent/DE4033840C2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/24—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them
    • E05B63/244—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them the striker being movable for latching, the bolt for unlatching, or vice versa
    • E05B63/246—Emergency release from inside by releasing the striker
    • 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
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • 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
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring
    • E05B2047/0068—Door closed
    • 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
    • E05B2047/0072—Operation
    • E05B2047/0076—Current to lock only, i.e. "fail-safe"
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors

Description

Die Erfindung betrifft einen elektromagnetisch betätigbaren Türöffner gemäß dem Oberbegriff des Anspruchs 1.The invention relates to an electromagnetically actuated Door opener according to the preamble of claim 1.

Ein derartiger Türöffner ist aus dem DE-GM 85 02 219 be­ kannt. Bei diesem Treibriegelverschluß für zweiflügelige Türen mit Panikfunktion ermöglicht ein elektrischer Türöff­ ner mit einer im Schließblech angeordneten Fallensperre eine Freigabe des Gehflügels durch Betätigung der Treibstangen im Panikfall. Der Riegel wird jedoch hier durch Betätigung der Treibstangen in das Schloß zurückgedrückt.Such a door opener is from DE-GM 85 02 219 be knows. With this driving bolt lock for two-leaf Doors with a panic function can be opened electrically ner with a latch arranged in the striker Release of the active leaf by operating the drive rods in the Panic case. The latch is, however, by pressing the Push rods pushed back into the lock.

Weitere Türöffnungsvorrichtungen mit Panikfunktion sind in den Druckschriften DE-GM 76 37 355, EP 0 193 017 und DE 25 54 139 C2 beschrieben.Other door opening devices with panic function are in the publications DE-GM 76 37 355, EP 0 193 017 and DE 25 54 139 C2 described.

Der Erfindung liegt die Aufgabe zugrunde, eine Türöffnungs­ vorrichtung der eingangs genannten Art so weiterzubilden, daß die Tür auch von außen zu öffnen ist, wenn das Sicher­ heitsstromnetz ausfällt oder wenn Brandalarm ausgelöst wird.The invention has for its object a door opening to further develop the device of the type mentioned at the beginning, that the door can also be opened from the outside if that is safe power grid fails or if a fire alarm is triggered.

Diese Aufgabe wird durch die Merkmale des Anspruches 1 ge­ löst.This object is ge by the features of claim 1 solves.

Durch die erfindungsgemäße Lösung ist sichergestellt, daß geschlossene Türen, aber auch mittels eines Schlüssels abge­ schlossene Türen freigegeben werden und sowohl von innen wie auch von außen durch Ziehen, Drücken oder Schieben geöffnet werden können. Bei jeder kritischen Situation, z. B. bei einem Stromausfall oder einem defekten Magneten, wird die Tür freigegeben.The solution according to the invention ensures that closed doors, but also abge using a key closed doors are released and both inside and out also opened from the outside by pulling, pushing or pushing can be. In every critical situation, e.g. B. at a power failure or a defective magnet, the Door released.

Als weiterer Vorteil ist zu nennen, daß das bewegliche Tür­ blatt ohne jede Elektroinstallation (bewegte Leitungen) auskommt.Another advantage is that the movable door sheet without any electrical installation (moving cables)  gets along.

Die Unteransprüche betreffen vorteilhafte Ausgestaltungen des Gegenstands des Anspruchs 1.The subclaims relate to advantageous refinements of the subject matter of claim 1.

In der Figur ist ein Ausführungsbeispiel der Erfindung dar­ gestellt.In the figure, an embodiment of the invention is shown posed.

Bei der Nebentür eines Krankenhauses ist das Schloß 11 in den beweglichen Gehflügel 2, und der elektromagnetisch be­ tätigbare Türöffner 3 in den Türrahmen eingebaut.In the side door of a hospital, the lock 11 is installed in the movable active leaf 2 , and the electromagnetically operable door opener 3 in the door frame.

In der Grundstellung fließt Ruhestrom über die Klemmen 21 und 22 durch den Elektromagneten 12, so daß dessen Anker in den Hubmagneten gezogen wird. Die beiden durch feste Spei­ chen 13 bzw. 14 mit dem Anker 6 verbundenen Kniegelenke 7 bzw. 8 bewirken dabei eine Schiebebewegung der Schiebebleche 4 bzw. 5 in Richtung auf das Türschloß zu, also in die Ver­ riegelungsposition. Wird die Tür nun mit einem Schlüssel (15) aufgeschlossen, so kann sie ganz normal begangen wer­ den. Das entspricht der Tagstellung.In the basic position, quiescent current flows through terminals 21 and 22 through electromagnet 12 , so that its armature is drawn into the lifting magnet. The two by fixed Spei 13 and 14 connected to the armature 6 knee joints 7 and 8 cause a sliding movement of the sliding plates 4 and 5 in the direction of the door lock, so in the locking position Ver. If the door is now unlocked with a key ( 15 ), it can be walked on as normal. That corresponds to the day position.

Abends wird die Tür vom Personal mittels Schlüssel 15 abge­ schlossen und ist danach ohne Schlüssel nicht mehr zu öff­ nen.In the evening the door is locked by the staff using key 15 and can then no longer be opened without a key.

Tritt nun aber beispielsweise ein Brandfall ein mit Signal­ gabe durch die automatische Brandmeldeanlage, so wird der Ruhestromkreis des Hubmagneten (12) durch einen im Ruhe­ stromkreis liegenden Kontakt der Brandmeldeanlage unter­ brochen. Der Hubmagnet 12 wird stromlos und sein Anker wird durch die an der verlängerten Speiche 13 angreifende Zugfe­ der 9 aus dem Hubmagneten herausgezogen. Gemeinsam lenken die mit dem Anker fest verbundenen Speichen 13 bzw. 14 die Kniebebel 7 bzw. 8 aus, so daß die beiden Schiebebleche 4 bzw. 5 eingezogen werden und damit sowohl die Schloßfalle 16 als auch den Schubriegel 17 freigeben (siehe Figur). Die Tür ist vollkommen entriegelt und kann von innen und von außen durch einfaches Ziehen bzw. Schieben geöffnet werden, so daß Personen ohne Hindernis vor dem Feuer fliehen können und Rettungsmannschaften das Gebäude ohne Zeitverlust betre­ ten können.However, if, for example, a fire occurs with a signal from the automatic fire alarm system, the closed circuit of the solenoid ( 12 ) is interrupted by a contact of the fire alarm system when the circuit is at rest. The lifting magnet 12 is de-energized and its armature is pulled out of the lifting magnet by the Zugfe 9 acting on the extended spoke 13 . Together, the spokes 13 and 14, which are firmly connected to the anchor, deflect the toggle levers 7 and 8 , respectively, so that the two sliding plates 4 and 5 are retracted, thereby releasing both the lock latch 16 and the slide bolt 17 (see figure). The door is completely unlocked and can be opened from the inside and outside by simply pulling or pushing, so that people can escape from the fire without any obstacles and rescue teams can enter the building without wasting time.

Wird der Gehflügel 2 nun geöffnet, so gibt das Schloß 11 den Betätigungshebel 18 für den Mikroschalter 10 frei, der durch die Druckfeder 19 soweit verschoben wird, bis die an dem He­ bel 18 angebrachte Nase 20a an dem am Türöffner 3 fest an­ gebrachten Anschlag 20 anliegt. Der Mikroschalter unter­ bricht dabei den Ruhestromkreis des Hubmagneten 12 zusätz­ lich, so daß dieser bei geöffneter Tür selbst dann nicht aktiviert wird, wenn die Brandmeldeanlage keinen Fehler mehr meldet (Serienschaltung der Schaltglieder).If the active leaf 2 is now opened, the lock 11 are the operating lever 18 for the microswitch 10 free which is displaced so far by the compression spring 19 until the attached to the He bel 18 nose 20 a on which the door opener 3 firmly placed stop 20 is present. The microswitch interrupts the closed circuit of the solenoid 12 additional Lich, so that it is not activated when the door is open even if the fire alarm system no longer reports an error (series connection of the switching elements).

Ein zweiter Kontakt des Mikroschalters 10 kann dazu verwen­ det werden, um in einem Leitsystem die Meldung "Außentür Nr. 12 wurde geöffnet" auszulösen. Erst bei sich schließendem Gehflügel 2 wird die Betätigungsstange 18 durch eine Ab­ schrägung der Auflaufkante wieder gegen die Wirkung der Druckfeder 19 bewegt, so daß der Mikroschalter erneut ein­ schaltet. Wenn alle übrigen Schalter in der Ruhestromkette ebenfalls eingeschaltet sind (d. h. es liegt keine Störung mehr vor), zieht der Hubmagnet 12 an und arretiert die Tür.A second contact of the microswitch 10 can be used to trigger the message "outer door no. 12 has been opened" in a control system. Only when the active leaf 2 closes is the actuating rod 18 moved again by a bevel from the leading edge against the action of the compression spring 19 , so that the microswitch switches on again. If all other switches in the closed-circuit current circuit are also switched on (ie there is no longer a fault), the solenoid 12 picks up and locks the door.

Claims (5)

1. Elektromagnetisch betätigbarer Türöffner mit Panikfunk­ tion zum Einbau in Türrahmen von einflügeligen Türen oder im Standflügel von zweiflügeligen Türen, dadurch gekenn­ zeichnet, daß zwei Sperrelemente (4, 5) über zwei Knie­ hebel (7, 8) sowie zwei Speichen (13, 14) und den Anker (6) eines Hubmagneten (12) mechanisch derart gekoppelt sind, daß sie die arretierte Schloßfalle (16) und den ausgefahrenen Schubriegel (17) des am beweglichen Tür­ flügel (2) befindlichen Türschlosses (11) bei durch Ru­ hestrom erregtem Hubmagneten (12) fixieren und bei Unter­ brechung des Ruhestroms frei geben, wobei die in der Rück­ zugfeder (9) gespeicherte Energie den Anker (6) aus dem Hubmagneten (12) zieht und über die mechanische Kopplung die Sperrelemente (4, 5) in die Freigabestellung zurück­ bewegt werden.1. Electromagnetically operated door opener with panic function for installation in door frames of single-leaf doors or in the passive leaf of double-leaf doors, characterized in that two locking elements ( 4 , 5 ) via two knee levers ( 7 , 8 ) and two spokes ( 13 , 14 ) and the armature ( 6 ) of a solenoid ( 12 ) are mechanically coupled in such a way that they lock the locked latch ( 16 ) and the extended slide bolt ( 17 ) of the movable door leaf ( 2 ) door lock ( 11 ) when energized by Ru current Fix the solenoid ( 12 ) and release it when the quiescent current is interrupted, the energy stored in the return spring ( 9 ) pulling the armature ( 6 ) out of the solenoid ( 12 ) and the locking elements ( 4 , 5 ) in via the mechanical coupling the release position can be moved back. 2. Elektromagnetisch betätigbarer Türöffner nach Anspruch 1, dadurch gekennzeichnet, daß die Sperrelemente (4, 5) als Schiebebleche ausgebildet sind.2. Electromagnetically actuated door opener according to claim 1, characterized in that the locking elements ( 4 , 5 ) are designed as sliding plates. 3. Elektromagnetisch betätigbarer Türöffner nach Anspruch 1, dadurch gekennzeichnet, daß die Sperrelemente (4, 5) als Drehkolben ausgebildet sind.3. Electromagnetically actuated door opener according to claim 1, characterized in that the locking elements ( 4 , 5 ) are designed as rotary pistons. 4. Elektromagnetisch betätigbarer Türöffner nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß eine Türkon­ taktvorrichtung (18, 19, 20) vorgesehen ist, durch die der Türöffner (3) derart gesteuert wird, daß bei geöff­ netem Türflügel (2) die Sperrelemente in der Freigabe­ stellung verbleiben.4. Electromagnetically actuated door opener according to one of claims 1-3, characterized in that a Türkon clock device ( 18 , 19 , 20 ) is provided, through which the door opener ( 3 ) is controlled such that when the door leaf ( 2 ) is opened Locking elements remain in the release position. 5. Elektromagnetisch betätigbarer Türöffner nach Anspruch 4, dadurch gekennzeichnet, daß die Türkontaktvorrichtung eine Lichtschranke oder einen Initiator enthält.5. Electromagnetically actuated door opener according to claim 4,  characterized in that the door contact device contains a light barrier or an initiator.
DE19904033840 1990-10-24 1990-10-24 Electrically operated door opener with panic function Expired - Lifetime DE4033840C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904033840 DE4033840C2 (en) 1990-10-24 1990-10-24 Electrically operated door opener with panic function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904033840 DE4033840C2 (en) 1990-10-24 1990-10-24 Electrically operated door opener with panic function

Publications (2)

Publication Number Publication Date
DE4033840A1 DE4033840A1 (en) 1992-04-30
DE4033840C2 true DE4033840C2 (en) 1994-12-01

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Family Applications (1)

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Country Status (1)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723025C2 (en) * 1997-06-03 2000-08-17 Hansjoerg Stern Circuit arrangement for closings of electrical door systems, which may not be opened by pressure or suction in the event of danger
DE19951866C2 (en) * 1999-10-27 2001-09-20 Dorma Gmbh & Co Kg Anti-panic door lock
DE10237729A1 (en) * 2002-08-17 2004-02-26 Eigenbetrieb Bezirkskrankenhaus/Heime Günzburg Körperschaft des öffentlichen Rechts Closing device for escape door, e.g. for psychiatric units, has catch disengaged by electrically operating door opener, only possible from outside room, or mechanically operating catch to unlock door
DE10246665B3 (en) * 2002-10-07 2004-04-08 Dorma Gmbh + Co. Kg Electromagnetic door locking system has a U-shaped armature around the coil which is biased to block a locking bolt and energised to release the lock
DE102005015248A1 (en) * 2005-04-02 2006-10-19 Wilka Schließtechnik GmbH Standing wing lock e.g. for shifting driving bar catch for condition wing of double leaf door, has trap entrance opening and latch plate opening for trap and latch plate with wall of trap entrance opening cooperates with check side of trap
DE202008013406U1 (en) 2008-09-25 2008-12-24 Bks Gmbh lock
DE202009015385U1 (en) 2009-11-13 2010-02-11 Kfv Karl Fliether Gmbh & Co. Kg locking system
DE202009003976U1 (en) 2009-03-24 2010-08-19 Kfv Karl Fliether Gmbh & Co. Kg Locking and unlocking of a door having a fixed leaf and a moving leaf
DE102014207110A1 (en) 2014-04-14 2015-10-15 Geze Gmbh latch lock
US20210277686A1 (en) * 2020-03-05 2021-09-09 Powertek Hardware Co., Ltd. Electric strike lock
DE102012111881B4 (en) 2012-12-06 2021-12-30 WILKA Schließtechnik GmbH Motorized inactive leaf lock with deadbolt and latch ejector

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694036B1 (en) * 1992-07-23 1994-09-09 Diemer Marcel Device for opening a door without opening the lock which controls it.
DE19700997C1 (en) * 1997-01-14 1998-08-06 Fuss Fritz Gmbh & Co Door opener
US5852944A (en) * 1997-04-18 1998-12-29 Stephen C. Cohen Remotely controlled door lock
US6032500A (en) * 1997-04-18 2000-03-07 Stephen C. Cohen Kit for retrofitting a door with a security lock system
DE19750511A1 (en) * 1997-11-14 1999-05-20 Eco Schulte Gmbh & Co Kg Locking plate and door lock for panic door of building
DE10143640C5 (en) 2001-09-06 2007-02-08 Rational Ag Safety device for walk-in interiors, in particular of cooking appliances
DE102004003168B4 (en) * 2004-01-21 2008-10-23 Wilka Schließtechnik GmbH Dead bolt lock for double-leaf doors with panic function
DE102004054086B4 (en) * 2004-11-09 2007-06-14 Assa Abloy Sicherheitstechnik Gmbh release device
DE102006011263B4 (en) * 2006-03-10 2008-04-24 Assa Abloy Sicherheitstechnik Gmbh Locking system for a door
WO2007104499A2 (en) * 2006-03-10 2007-09-20 Assa Abloy Sicherheitstechnik Gmbh Locking system for a door
FR2931184B1 (en) * 2008-05-16 2010-09-10 Bernard Vincent Gratias DEVICE FOR OPENING SECURITY ACCESS
DE102013100275A1 (en) * 2013-01-11 2014-07-17 Eco Schulte Gmbh & Co. Kg Drive bolt lock for two-wing door, has contact element displaceably mounted at base part of bolt slide between two end positions, and spring applying force to contact element in direction of push bolt
ITUB20152666A1 (en) * 2015-07-30 2017-01-30 T E Srl Safety lock equipped with an emergency unlocking system, and locking device comprising said safety lock
DE102015220612A1 (en) * 2015-10-22 2017-04-27 Robert Bosch Gmbh Locking device with two movable locking bodies
CN106939739B (en) * 2016-01-05 2019-09-10 广东金点原子安防科技股份有限公司 A kind of safe lock of provided with electromagnetic valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE388897B (en) * 1974-12-12 1976-10-18 Telekontroll Ab SECURITY LOCKING DEVICE AT DOORS O D
DE7637355U1 (en) * 1976-11-27 1977-03-10 Schueco Heinz Schuermann Gmbh & Co, 4800 Bielefeld DOUBLE DOOR
DE2914372C2 (en) * 1979-04-10 1984-04-05 Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert Latch bolt panic lock that can be unlocked from the outside
DE8502219U1 (en) * 1985-01-29 1985-05-02 BKS GmbH, 5620 Velbert DRIVE LOCK LOCK FOR DOUBLE-LEAF DOORS, ESPECIALLY WITH PANIC FUNCTION
DE3507305A1 (en) * 1985-03-01 1986-09-04 Fritz Fuss Kg, 7470 Albstadt DEVICE FOR ACTUATING A RELEASE LOCK

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723025C2 (en) * 1997-06-03 2000-08-17 Hansjoerg Stern Circuit arrangement for closings of electrical door systems, which may not be opened by pressure or suction in the event of danger
DE19951866C2 (en) * 1999-10-27 2001-09-20 Dorma Gmbh & Co Kg Anti-panic door lock
DE10237729A1 (en) * 2002-08-17 2004-02-26 Eigenbetrieb Bezirkskrankenhaus/Heime Günzburg Körperschaft des öffentlichen Rechts Closing device for escape door, e.g. for psychiatric units, has catch disengaged by electrically operating door opener, only possible from outside room, or mechanically operating catch to unlock door
DE10237729B4 (en) * 2002-08-17 2005-06-23 Eigenbetrieb Bezirkskrankenhaus/Heime Günzburg Körperschaft des öffentlichen Rechts Locking device for an escape door
DE10246665C5 (en) * 2002-10-07 2008-04-24 Dorma Gmbh + Co. Kg Electrically unlockable release device for doors
DE10246665B3 (en) * 2002-10-07 2004-04-08 Dorma Gmbh + Co. Kg Electromagnetic door locking system has a U-shaped armature around the coil which is biased to block a locking bolt and energised to release the lock
DE102005015248B4 (en) * 2005-04-02 2010-01-21 Wilka Schließtechnik GmbH Grand piano lock with an electric door opener
DE102005015248A1 (en) * 2005-04-02 2006-10-19 Wilka Schließtechnik GmbH Standing wing lock e.g. for shifting driving bar catch for condition wing of double leaf door, has trap entrance opening and latch plate opening for trap and latch plate with wall of trap entrance opening cooperates with check side of trap
DE202008013406U1 (en) 2008-09-25 2008-12-24 Bks Gmbh lock
DE202009003976U1 (en) 2009-03-24 2010-08-19 Kfv Karl Fliether Gmbh & Co. Kg Locking and unlocking of a door having a fixed leaf and a moving leaf
EP2236714A2 (en) 2009-03-24 2010-10-06 KFV Karl Fliether GmbH & Co. KG Locking and unlocking device for a two wing door
EP2236714B1 (en) 2009-03-24 2017-08-16 KFV Karl Fliether GmbH & Co. KG Locking and Unlocking device for a two wing door
DE202009015385U1 (en) 2009-11-13 2010-02-11 Kfv Karl Fliether Gmbh & Co. Kg locking system
DE102012111881B4 (en) 2012-12-06 2021-12-30 WILKA Schließtechnik GmbH Motorized inactive leaf lock with deadbolt and latch ejector
DE102014207110A1 (en) 2014-04-14 2015-10-15 Geze Gmbh latch lock
DE102014207110B4 (en) 2014-04-14 2023-01-19 Geze Gmbh latch lock
US20210277686A1 (en) * 2020-03-05 2021-09-09 Powertek Hardware Co., Ltd. Electric strike lock
US11536054B2 (en) * 2020-03-05 2022-12-27 Powertek Hardware Co., Ltd. Electric strike lock

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