EP0307873A1 - Lock for closing and blocking with a bolt actuated by a key - Google Patents

Lock for closing and blocking with a bolt actuated by a key Download PDF

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Publication number
EP0307873A1
EP0307873A1 EP88114963A EP88114963A EP0307873A1 EP 0307873 A1 EP0307873 A1 EP 0307873A1 EP 88114963 A EP88114963 A EP 88114963A EP 88114963 A EP88114963 A EP 88114963A EP 0307873 A1 EP0307873 A1 EP 0307873A1
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EP
European Patent Office
Prior art keywords
lock
key
locking
microswitch
block
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
EP88114963A
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German (de)
French (fr)
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EP0307873B1 (en
Inventor
Wilhelm Ing. Grad. Weissgerber
Otto Dipl.-Ing. Weikl (Fh)
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.)
Friedrich Merk Telefonbau GmbH
Original Assignee
Friedrich Merk Telefonbau GmbH
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 Friedrich Merk Telefonbau GmbH filed Critical Friedrich Merk Telefonbau GmbH
Priority to AT88114963T priority Critical patent/ATE56498T1/en
Publication of EP0307873A1 publication Critical patent/EP0307873A1/en
Application granted granted Critical
Publication of EP0307873B1 publication Critical patent/EP0307873B1/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
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks

Definitions

  • the invention relates to a locking and block lock with a lock cylinder, a key-operated bolt and with a blocking device that can be switched back and forth electromagnetically between a blocking and release position and has a block magnet, whereby the locking process also enables an alarm system to be activated, the key in the locking cylinder can only be inserted in the inserted position, a microswitch is actuated by turning the key from the inserted position and the actuation of the microswitch is registered in the control center of the alarm system and used for control purposes.
  • DE-GM 75 32 906 describes a lockable lock which has two microswitches, the first microswitch being actuated during the closing process and the second microswitch in the locked position.
  • the control circuit for the block magnet is closed via the first microswitch, while the alarm system is switched on by the second microswitch.
  • the microswitches are actuated when the closing process is carried out using a key inserted from one side as well as from the other side of the door.
  • This object is achieved in that in front of the locking and block lock, and only on one side a key slot having, in the axis of rotation of the lock cylinder rotatably mounted contact disk is attached, which is provided with a contact surface for actuating the microswitch.
  • the contact disk according to the invention is moved via the key slot of the same by the inserted key during the closing process. If the contact disk is now only attached to one side of the locking and block lock, it can be signaled by an appropriate evaluation of the signal of the microswitch in the hazard alarm system from which side the locking operation on the locking and block lock was carried out.
  • DE-PS 16 78 661 describes a rotary cylinder lock provided with an alarm transmitter, which is formed from two locking cylinders located one behind the other. Between the two locking cylinders there are two contact disks located one behind the other in the axis of rotation of the locking cylinder, one contact disk being firmly connected to the rotatable part of the associated locking cylinder.
  • the contact disk of the locking cylinder which comes into contact with the key first during the closing process, has a nose and two recesses and the other contact disk has a recess instead of the nose, the driver wheel of a microswitch being held in the actuating position thereof by the nose. If both locking cylinders are not rotated at the same time by a common key, the driver wheel falls into a recess in the contact disk and gives an alarm because an inadmissible manipulation has been carried out on the locking cylinder.
  • a further development of the invention in a locking and block lock with two closed positions, the second closed position being preventable by a block magnet, consists in that by actuating the microswitch in the first closed position, the second closed position is prevented by the block magnet at the instigation of the alarm system.
  • a contact disk 1 is rotatably mounted, namely rotatably about the axis of rotation of the lock cylinder 4.
  • the contact disk 1 has a key slot 5, which is held in the vertical position, ie in the inserted position of the key in the lock cylinder 5. This is done by a recess 7 on the side of the contact disk 1, into which a detent spring 2 engages.
  • the contact disk 1 has contact surfaces 6 which actuate the contact of the microswitch 3 when the contact disk 1 is rotated.
  • the contact surfaces 6 are attached to the contact disk 1 such that actuation of the microswitch 3 is actuated both in one direction of rotation of the contact disk 1 and in the other direction of rotation of the contact disk 1 at the start of the rotation.
  • the key slot 5 is designed in such a way that the key can only be inserted into the key slot 5 in one position and not in the position rotated by 180 °, then only two contact surfaces 6 and one depression 7 are necessary. Otherwise, the contact surfaces 6 and the depressions 7 are to be provided both for the one position and for the position of the contact disk rotated through 180 °.
  • the contact disk 1 with the devices located in the housing 9 can also be accommodated in a block lock itself or, as already mentioned, in the panel 8.
  • the lock carrying the lock cylinder 4 designed as a locking and block lock with two closed positions the second closed position being through a block magnet can be prevented, the second closing position can be prevented by the block magnet by actuating the microswitch in the first closed position by preventing the rotary movement of the locking cylinder 4 into the second closed position upon initiation of a hazard alarm system which previously operated the microswitch during the has registered the first closing operation.
  • the alarm system can be armed by a closing process inside a room to be protected prevent when the contact plate 1 and the associated devices are attached to the door side, which faces a room to be protected in the closed state.
  • the device according to the invention can also be attached to normal keys lockable with locking cylinders, in order in this way to be able to monitor the locking and unlocking processes electrically from a registration device.

Abstract

1. Lock for closing and blocking with a bolt (4) actuated by a key and with a blocking arrangement electromagnetically switchable between a blocking position and an unblocking position and provided with a blocking magnet, whereby caused by the locking procedure an actuation of an alarm system is likewise possible, the key can only the inserted into the bolt in the inserting position, a microswitch (3) is actuated by turning the key in the inserting position and the actuation of the microswitch is registered in the central of the alarm system and is used for control purpose, characterized in, that a rotary pivoted contact disk (1) having a key slot (5) is attached in the axis of rotation of the bolt (4) in front of the lock for closing and blocking, namely but on one side, and the contact disk (1) is provided with a contact face (6) for the actuation of the microswitch (3).

Description

Die Erfindung betrifft ein Sperr- und Blockschloß mit einem Schließ­zylinder, einem schlüsselbetätigten Riegel und mit einer elektro­magnetisch zwischen einer Blockier- und Freigabestellung hin- und herschaltbaren, einen Blockmagneten aufweisenden Blockiervorrichtung, wobei durch den Schließvorgang auch ein Scharfschalten einer Gefahren­meldeanlage möglich ist, der Schlüssel in den Schließzylinder nur in der Einstecklage desselben eingeführt werden kann, durch das Drehen des Schlüssels aus der Einstecklage ein Mikroschalter betätigt wird und die Betätigung des Mikroschalters in der Zentrale der Gefahrenmelde­anlage registriert und zu Steuerzwecken ausgenutzt wird.The invention relates to a locking and block lock with a lock cylinder, a key-operated bolt and with a blocking device that can be switched back and forth electromagnetically between a blocking and release position and has a block magnet, whereby the locking process also enables an alarm system to be activated, the key in the locking cylinder can only be inserted in the inserted position, a microswitch is actuated by turning the key from the inserted position and the actuation of the microswitch is registered in the control center of the alarm system and used for control purposes.

Ein derartiges Sperr- und Blockschloß ist bereits bekannt. So wird in dem DE-GM 75 32 906 ein blockierbares Schloß beschrieben, welches zwei Mikroschalter aufweist, wobei der erste Mikroschalter während des Schließvorgangs und der zweite Mikroschalter in der Verschlußlage betätigt wird. Hierbei wird über den ersten Mikroschalter der Ansteuer­stromkreis für den Blockmagneten geschlossen, während durch den zweiten Mikroschalter die Alarmanlage eingeschaltet wird. Dabei er­folgt die Betätigung der Mikroschalter, wenn der Schließvorgang sowohl durch einen von der einen als auch von der anderen Seite der Tür einge­führten Schlüssel durchgeführt wird.Such a lock and block lock is already known. DE-GM 75 32 906 describes a lockable lock which has two microswitches, the first microswitch being actuated during the closing process and the second microswitch in the locked position. Here, the control circuit for the block magnet is closed via the first microswitch, while the alarm system is switched on by the second microswitch. The microswitches are actuated when the closing process is carried out using a key inserted from one side as well as from the other side of the door.

Es liegt die Aufgabe zugrunde, bei einem Block- und Sperrschloß den Beginn jeden Schließ- bzw. Aufschließvorgangs zu überwachen, um die Betätigung des Schlosses in einer Gefahrenmeldeanlage zu registrieren und insbesondere das Scharfschalten einer Gefahrenmeldeanlage nach ein­deutigen Kriterien sicherzustellen.It is the object of the invention to monitor the start of each locking or unlocking process in the case of a block and locking lock, in order to register the actuation of the lock in a hazard detection system and in particular to ensure the arming of a hazard detection system according to clear criteria.

Diese Aufgabe wird dadurch gelöst, daß vor dem Sperr- und Block­schloß, und zwar nur auf einer Seite eine, einen Schlüsselschlitz aufweisende, in der Drehachse des Schließzylinders drehbar gelagerte Kontaktscheibe angebracht ist, welche mit einer Kontaktfläche zur Be­tätigung des Mikroschalters versehen ist.This object is achieved in that in front of the locking and block lock, and only on one side a key slot having, in the axis of rotation of the lock cylinder rotatably mounted contact disk is attached, which is provided with a contact surface for actuating the microswitch.

Die Bewegung der erfindungsgemäßen Kontaktscheibe erfolgt über den Schlüsselschlitz derselben durch den eingesteckten Schlüssel während des Schließvorgangs. Wird nun die Kontaktscheibe nur auf einer Seite des Sperr- und Blockschlosses angebracht, so kann durch eine ent­sprechende Bewertung des Signals des Mikroschalters in der Gefahren­meldeanlage signalisiert werden, von welcher Seite der Schließvorgang an dem Sperr- und Blockschloß vorgenommen wurde.The contact disk according to the invention is moved via the key slot of the same by the inserted key during the closing process. If the contact disk is now only attached to one side of the locking and block lock, it can be signaled by an appropriate evaluation of the signal of the microswitch in the hazard alarm system from which side the locking operation on the locking and block lock was carried out.

In der DE-PS 16 78 661 wird ein mit einem Alarmgeber versehenes Dreh­zylinderschloß beschrieben, welches aus zwei hintereinanderliegenden Schließzylindern gebildet wird. Zwischen beiden Schließzylindern sind zwei in der Drehachse der Schließzylinder hintereinanderliegende Kon­taktscheiben angebracht, wobei jeweils eine Kontaktscheibe mit dem drehbaren Teil des dazugehörigen Schließzylinders fest verbunden ist. Die Kontaktscheibe des Schließzylinders, welcher bei dem Schließvor­gang zuerst mit dem Schlüssel in Berührung kommt, weist eine Nase und zwei Vertiefungen und die andere Kontaktscheibe anstelle der Nase eine Vertiefung auf, wobei durch die Nase das Mitnehmerrad eines Mikro­schalters in der Betätigungslage desselben gehalten wird. Werden nun beide Schließzylinder nicht gleichzeitig durch einen gemeinsamen Schlüssel verdreht, so fällt das Mitnehmerrad in eine Ausnehmung der Kontaktscheibe und gibt Alarm, da eine unzulässige Manupulation an dem Schließzylinder vorgenommen worden ist.DE-PS 16 78 661 describes a rotary cylinder lock provided with an alarm transmitter, which is formed from two locking cylinders located one behind the other. Between the two locking cylinders there are two contact disks located one behind the other in the axis of rotation of the locking cylinder, one contact disk being firmly connected to the rotatable part of the associated locking cylinder. The contact disk of the locking cylinder, which comes into contact with the key first during the closing process, has a nose and two recesses and the other contact disk has a recess instead of the nose, the driver wheel of a microswitch being held in the actuating position thereof by the nose. If both locking cylinders are not rotated at the same time by a common key, the driver wheel falls into a recess in the contact disk and gives an alarm because an inadmissible manipulation has been carried out on the locking cylinder.

Eine Weiterbildung der Erfindung bei einem Sperr- und Blockschloß mit zwei Schließstellungen, wobei die zweite Schließstellung durch einen Blockmagneten verhinderbar ist, besteht darin, daß durch die Betätigung des Mikroschalters in der ersten Schließstellung die zweite Schließ­stellung durch den Blockmagneten auf Veranlassung der Gefahrenmelde­anlage verhindert wird.A further development of the invention in a locking and block lock with two closed positions, the second closed position being preventable by a block magnet, consists in that by actuating the microswitch in the first closed position, the second closed position is prevented by the block magnet at the instigation of the alarm system.

Auf diese Weise ist sichergestellt, daß eine Gefahrenmeldeanlage durch das Verschließen eines zu sichernden Raumes von innen nicht scharfschaltbar ist.This ensures that a hazard alarm system cannot be armed from the inside by closing a room to be secured.

Die Erfindung wird anhand eines Ausführungsbeispiels näher erläutert, welches in der Zeichnung dargestellt ist.The invention is explained in more detail using an exemplary embodiment which is illustrated in the drawing.

In der Blende 8 eines Blockschlosses, dessen Schloßzylinder 4 von der Blende 8 abgedeckt wird, ist eine Kontaktscheibe 1 drehbar gelagert und zwar drehbar um die Drehachse des Schließzylinders 4. Die Kontaktscheibe 1 weist einen Schlüsselschlitz 5 auf, welcher in der senkrechten Lage, d.h. in der Einstecklage des Schlüssels in dem Schloßzylinder 5 gehalten wird. Dies geschieht durch eine seitlich an der Kontaktscheibe 1 angebrachte Vertiefung 7, in welche eine Rastfeder 2 einrastet. Weiterhin weist die Kontaktscheibe 1 Kontaktflächen 6 auf, welche bei Verdrehen der Kontaktscheibe 1 den Kontakt des Mikroschalters 3 betätigen. Die Kontaktflächen 6 sind derart an der Kontaktscheibe 1 angebracht, daß eine Betätigung des Mikroschalters 3 sowohl in der einen Drehrichtung der Kontaktscheibe 1 als auch in der anderen Drehrichtung der Kontaktscheibe 1 bei Beginn der Drehung betätigt wird.In the faceplate 8 of a block lock, the lock cylinder 4 of which is covered by the faceplate 8, a contact disk 1 is rotatably mounted, namely rotatably about the axis of rotation of the lock cylinder 4. The contact disk 1 has a key slot 5, which is held in the vertical position, ie in the inserted position of the key in the lock cylinder 5. This is done by a recess 7 on the side of the contact disk 1, into which a detent spring 2 engages. Furthermore, the contact disk 1 has contact surfaces 6 which actuate the contact of the microswitch 3 when the contact disk 1 is rotated. The contact surfaces 6 are attached to the contact disk 1 such that actuation of the microswitch 3 is actuated both in one direction of rotation of the contact disk 1 and in the other direction of rotation of the contact disk 1 at the start of the rotation.

Ist der Schlüsselschlitz 5 derart ausgebildet, daß der Schlüssel in den Schlüsselschlitz 5 nur in der einen und nicht in der um 180° verdrehten Lage eingeführt werden kann, dann sind nur zwei Kontaktflächen 6 und eine Vertiefung 7 notwendig. Andernfalls sind die Kontaktflächen 6 und die Vertiefungen 7 sowohl für die eine als auch die um 180° gedrehte Lage der Kontaktscheibe vorzusehen.If the key slot 5 is designed in such a way that the key can only be inserted into the key slot 5 in one position and not in the position rotated by 180 °, then only two contact surfaces 6 and one depression 7 are necessary. Otherwise, the contact surfaces 6 and the depressions 7 are to be provided both for the one position and for the position of the contact disk rotated through 180 °.

Die Kontaktscheibe 1 mit den im Gehäuse 9 befindlichen Einrichtungen kann auch in einem Blockschloß selbst untergebracht sein oder, wie bereits erwähnt in der Blende 8. Ist das den Schließzylinder 4 tragende Schloß als Sperr- und Blockschloß mit zwei Schließstellungen ausgebildet, wobei die zweite Schließstellung durch einen Blockmagneten verhinderbar ist, so kann durch die Betätigung des Mikroschalters in der ersten Schließstellung die zweite Schließstellung durch den Blockmagneten verhindert werden, indem dieser die Drehbewegung des Schließzylinders 4 in die zweite Schließstellung auf Veranlassung einer Gefahrenmelde­anlage verhindert, welche zuvor die Betäitung des Mikroschalters während des ersten Schließvorgangs registriert hat. Auf diese Weise läßt sich das Scharfschalten einer Gefahrenmeldeanlage durch einen Schließvorgang im Innern eines zu schützenden Raumes verhindern, wenn die Kontaktscheibe 1 und die dazugehörigen Einrichtungen auf der Türseite angebracht sind, die einem zu schützenden Raum im geschlossenen Zustand zugewandt ist.The contact disk 1 with the devices located in the housing 9 can also be accommodated in a block lock itself or, as already mentioned, in the panel 8. Is the lock carrying the lock cylinder 4 designed as a locking and block lock with two closed positions, the second closed position being through a block magnet can be prevented, the second closing position can be prevented by the block magnet by actuating the microswitch in the first closed position by preventing the rotary movement of the locking cylinder 4 into the second closed position upon initiation of a hazard alarm system which previously operated the microswitch during the has registered the first closing operation. In this way, the alarm system can be armed by a closing process inside a room to be protected prevent when the contact plate 1 and the associated devices are attached to the door side, which faces a room to be protected in the closed state.

Es wird noch daraufhingewiesen, daß die erfindungsgemäße Vorrichtung auch an normalen mit Schließzylindern verschließbaren Schlüssern angebracht werden kann, um auf diese Weise die Schließ- und Aufschließvorgänge elektrisch von einer Registriereinrichtung überwachen zu können.It is also pointed out that the device according to the invention can also be attached to normal keys lockable with locking cylinders, in order in this way to be able to monitor the locking and unlocking processes electrically from a registration device.

Claims (5)

1. Sperr- und Blockschloß mit einem Schließzylinder, einem schlüssel­betätigten Riegel und mit einer elektromagnetisch zwischen einer Blockier- und Freigabestellung hin- und herschaltbaren, einen Blockmagneten aufweisenden Blockiervorrichtung, wobei durch den Schließvorgang auch ein Scharfschalten einer Gefahrenmeldeanlage möglich ist, der Schlüssel in den Schließzylinder nur in der Einsteck­lage desselben eingeführt werden kann, durch das Drehen des Schlüssels aus der Einstecklage ein Mikroschalter betätigt wird und die Betätigung des Mikroschalters in der Zentrale der Gefahrenmeldeanlage registriert und zu Steuerzwecken ausgenutzt wird,
dadurch gekennzeichnet,
daß vor dem Sperr- und Blockschloß, und zwar nur auf einer Seite eine, einen Schlüsselschlitz (5) aufweisende, in der Drehachse des Schließzylinders (4) drehbar gelagerte Kontaktscheibe (1) angebracht ist, welche mit einer Kontaktfläche (6) zur Betätigung des Mikro­schalters (3) versehen ist.1.Locking and block lock with a locking cylinder, a key-operated bolt and with a blocking device which can be switched back and forth electromagnetically between a blocking and release position and which has a block magnet, whereby the locking process also enables an alarm system to be armed, the key in the locking cylinder can only be inserted in the inserted position, a microswitch is actuated by turning the key from the inserted position and the actuation of the microswitch is registered in the control center of the hazard alarm system and used for control purposes,
characterized,
that in front of the locking and block lock, on one side only, a key slot (5) having, in the axis of rotation of the lock cylinder (4) rotatably mounted contact disc (1) is attached, which with a contact surface (6) for actuating the Microswitch (3) is provided. 2. Sperr- und Blockschloß nach Anspruch 1,
dadurch gekennzeichnet,
daß die Kontaktscheibe (1) durch eine Rastfeder (2) in der Einsteck­lage des Schlüssels gehalten wird.2. lock and block lock according to claim 1,
characterized,
that the contact disc (1) is held by a detent spring (2) in the inserted position of the key. 3. Sperr- und Blockschloß nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet,
daß die Kontaktscheibe (1) außerhalb des Sperr- und Blockschlosses angebracht ist.3. lock and block lock according to one of claims 1 or 2,
characterized,
that the contact disc (1) is attached outside the locking and block lock. 4. Sperr- und Blockschloß nach Anspruch 3,
dadurch gekennzeichnet,
daß die Kontaktscheibe (1) in einer Blende (8) des Sperr- und Blockschlosses untergebracht ist.4. lock and block lock according to claim 3,
characterized,
that the contact disk (1) is housed in an aperture (8) of the locking and block lock. 5. Sperr- und Blockschloß mit zwei Schließstellungen, wobei die zweite Schließstellung durch einen Blockmagneten verhinderbar ist, nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß durch die Betätigung des Mikroschalters (3) in der ersten Schließstellung die zweite Schließstellung durch den Blockmagneten auf Veranlassung der Gefahrenmeldeanlage verhindert wird.5. locking and block lock with two closed positions, the second closed position being prevented by a block magnet, according to one of claims 1 to 4,
characterized,
that when the microswitch (3) is actuated in the first closed position, the second closed position is prevented by the block magnet at the instigation of the alarm system.
EP88114963A 1987-09-17 1988-09-14 Lock for closing and blocking with a bolt actuated by a key Expired - Lifetime EP0307873B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88114963T ATE56498T1 (en) 1987-09-17 1988-09-14 BLOCK AND BLOCK LOCK WITH A KEY OPERATED BOLT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3731154A DE3731154C1 (en) 1987-09-17 1987-09-17 Lock and block lock with a key-operated bolt
DE3731154 1987-09-17

Publications (2)

Publication Number Publication Date
EP0307873A1 true EP0307873A1 (en) 1989-03-22
EP0307873B1 EP0307873B1 (en) 1990-09-12

Family

ID=6336164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114963A Expired - Lifetime EP0307873B1 (en) 1987-09-17 1988-09-14 Lock for closing and blocking with a bolt actuated by a key

Country Status (4)

Country Link
EP (1) EP0307873B1 (en)
AT (1) ATE56498T1 (en)
DE (1) DE3731154C1 (en)
ES (1) ES2018330B3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422094A1 (en) * 1994-06-24 1996-01-04 Aeg Sensorsysteme Gmbh Building door lock incorporating detectors for operation of profile cylinder cores
US5587702A (en) * 1992-11-12 1996-12-24 Chadfield; Garth R. Padlock with tamper alarm
WO2006089795A2 (en) * 2005-02-25 2006-08-31 Weru Ag Monitoring device for windows and doors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422095C2 (en) * 1994-06-24 1996-10-31 Aeg Sensorsysteme Gmbh System for locking and / or unlocking a number of locks provided on doors, in particular fixed objects

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257621A1 (en) * 1971-11-24 1973-05-30 Eaton Corp CYLINDER LOCK CONNECTED TO AN ALARM
DE1678661C3 (en) * 1967-03-15 1975-05-15 General Alarm Corp., New York,N.Y. (V.St.A.) Rotary cylinder lock equipped with an alarm transmitter
DE7532906U (en) * 1975-10-16 1976-03-04 Fritz Fuss Kg, 7470 Albstadt BLOCKABLE LOCK

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE825825C (en) * 1950-12-01 1951-12-20 Simon Kellnhauser Alarm device for doors with contact devices on the lock
DE3414642C2 (en) * 1984-04-18 1994-11-24 I F M Internationale Fluggeräte und Motoren GmbH, 6940 Weinheim Block lock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1678661C3 (en) * 1967-03-15 1975-05-15 General Alarm Corp., New York,N.Y. (V.St.A.) Rotary cylinder lock equipped with an alarm transmitter
DE2257621A1 (en) * 1971-11-24 1973-05-30 Eaton Corp CYLINDER LOCK CONNECTED TO AN ALARM
DE7532906U (en) * 1975-10-16 1976-03-04 Fritz Fuss Kg, 7470 Albstadt BLOCKABLE LOCK

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587702A (en) * 1992-11-12 1996-12-24 Chadfield; Garth R. Padlock with tamper alarm
DE4422094A1 (en) * 1994-06-24 1996-01-04 Aeg Sensorsysteme Gmbh Building door lock incorporating detectors for operation of profile cylinder cores
DE4422094C2 (en) * 1994-06-24 1998-08-27 Aeg Sensorsysteme Gmbh Lock for doors
WO2006089795A2 (en) * 2005-02-25 2006-08-31 Weru Ag Monitoring device for windows and doors
WO2006089795A3 (en) * 2005-02-25 2006-11-23 Weru Ag Monitoring device for windows and doors

Also Published As

Publication number Publication date
ES2018330B3 (en) 1991-04-01
EP0307873B1 (en) 1990-09-12
ATE56498T1 (en) 1990-09-15
DE3731154C1 (en) 1989-03-16

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