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EP0393213B1 - Safe lock - Google Patents

Safe lock Download PDF

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Publication number
EP0393213B1
EP0393213B1 EP89106839A EP89106839A EP0393213B1 EP 0393213 B1 EP0393213 B1 EP 0393213B1 EP 89106839 A EP89106839 A EP 89106839A EP 89106839 A EP89106839 A EP 89106839A EP 0393213 B1 EP0393213 B1 EP 0393213B1
Authority
EP
European Patent Office
Prior art keywords
bolt
lock
tumbler
security plate
keyhole
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
EP89106839A
Other languages
German (de)
French (fr)
Other versions
EP0393213A1 (en
Inventor
Günter Mauer
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.)
Mauer GmbH
Original Assignee
Mauer 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 Mauer GmbH filed Critical Mauer GmbH
Priority to AT89106839T priority Critical patent/ATE79434T1/en
Priority to DE8989106839T priority patent/DE58902052D1/en
Priority to EP89106839A priority patent/EP0393213B1/en
Publication of EP0393213A1 publication Critical patent/EP0393213A1/en
Application granted granted Critical
Publication of EP0393213B1 publication Critical patent/EP0393213B1/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
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0075—Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like
    • E05B65/0082—Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like with additional locking responsive to attack, e.g. to heat, explosion
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling

Definitions

  • the invention relates to a security lock for double-bit keys with a bolt guided on the lock bottom and a tumbler package mounted on the bolt, the bolt having an elongated hole for the tour pin, an elongated hole for the tumbler bearing mandrel and a recess for the key drive beard.
  • the invention has for its object to increase the security against manipulation of security locks by constructive measures and to prevent the bolt from striking back.
  • the lock bolt has a rectangular recess in the area of the recess, in that a rectangular protective plate made of tough material is slidably mounted in this recess relative to the bolt, that this protective plate has a keyhole matched to the bolt drive type and that the protective plate has a circular opening through which the housing-fixed tumbler bearing pin extends.
  • the lock bolt is designated 1, which is slidably mounted on the lock base 2.
  • the bolt has a cutout 1a for the drive type of the key.
  • the bolt 1 has a rectangular recess 1b on its top, in which a rectangular protective plate 3 is slidably mounted.
  • This protective plate 3 is preferably made of tough manganese steel. The thickness of the protective plate 3 is chosen so that it does not protrude beyond the level of the bolt 1. No additional overall height is therefore required for installing the protective plate 3. 5 with a key arbor is riveted to the lock base 2.
  • Fig. 2 shows the bolt 1 from above with the recess 1a and the recess 1b for the protective plate 3.
  • 1c denotes an elongated hole through which a tumbler bearing mandrel connected to the lock base 2 extends.
  • FIG. 3 shows the rectangular protective plate 3, which has a circular opening 3a at the left end, a keyhole cutout 3b in the middle and a slot at the right end 3c.
  • the recess 3b designed for a beard is kept as small as possible.
  • the plate 3 is held by the tumbler bearing mandrel via the opening 3a, while the bolt 1 can move back and forth under the plate 3.
  • the protective plate 3 acts as follows in the castle: When the bolt is extended (right end position), the keyhole edge of the protective plate is exactly above the left edge of the recess 1a. If a burglar tries to pull the bolt back, the tool hits the barely destructible protective plate, which absorbs the impact energy. A component can act on the tumbler bearing mandrel. The bolt is loaded indirectly in the direction of the lock floor, but it cannot be moved in the opening direction. If the protective plate is bent, the entire locking system wedges in such a way that the bolt is completely blocked.
  • FIG. 4 shows a key 4 matching the arrangement described, with a protective plate 3 indicated.
  • the bolt drive beard 4a is attached to the key end. This is followed by a beardless zone 4b in the area of the protective plate.
  • the coded double bit is designated by 4c.
  • Fig. 5 shows a partial cross section through a lock with a protective plate which is arranged in the tumbler package.
  • the lock bolt 11 lies on the lock base 12.
  • the protective plate 13 lies between two plates of the tumbler package 15 and is held in this position by two spacer bolts 16, 17 which are riveted to the lock base 12.
  • the touring pin 18 connected to the bolt 11 can be seen behind the bolt 16. With 19 the key pin is designated.
  • the protective plate 13 is provided with a double-bit keyhole.
  • the protective plate has the task of preventing the coding from being spied out with an endoscope.
  • FIG. 6 shows a pivotable protective plate 23 which lies on the tumbler package and is pushed with its circular opening 23a over the tumbler bearing mandrel.
  • the double-bit keyhole 23b is expanded at a point 23b1 on a circular path around the opening 23a, so that the plate can be pivoted in the direction of arrow 24 when the key is inserted.
  • the plate additionally has an elongated hole 23c into which a mandrel 25 connected to a positive locking device engages.
  • the mode of action is as follows: When a key or lockpick is inserted into the keyhole and the forced locking is released, the protective plate 23 jumps into a blocking position in which the keyhole is almost completely blocked.
  • the protective plates described can be used to advantage in all double-lock locks for valuables.
  • the protective plate mounted in the bolt does not require any additional height and can be integrated into sophisticated lock types that have been launched on the market without much additional effort.

Landscapes

  • Lock And Its Accessories (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Materials For Medical Uses (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

The invention relates to a safe lock for two-bit keys, with a bolt guided on the lock bottom and with a tumbler assembly mounted on the bolt, the bolt (1) having a long hole for the turn pin, a long hole for the tumbler bearing spindle and a recess (1a) for the key drive bit. The danger of such locks is that intruders attempt to knock the bolt back with a spike through the keyhole. The object of the invention is, by constructive measures, to increase the safety against manipulation and to prevent the lock from being broken open. This is achieved in that the lock bolt (1) has a rectangular depression (1b), in that a tough protective plate (3) is mounted displaceably in this depression, and in that this plate has a keyhole (3b) and a circular orifice, through which engages the tumbler bearing spindle fixed to the case. <IMAGE>

Description

Die Erfindung betrifft ein Wertbehälterschloß für Doppelbartschlüssel mit einem am Schloßboden geführten Riegel und einem auf dem Riegel gelagerten Zuhaltungspaket, wobei der Riegel ein Langloch für den Tourstift, ein Langloch für den Zuhaltungslagerdorn und eine Aussparung für den Schlüsselantriebsbart aufweist.The invention relates to a security lock for double-bit keys with a bolt guided on the lock bottom and a tumbler package mounted on the bolt, the bolt having an elongated hole for the tour pin, an elongated hole for the tumbler bearing mandrel and a recess for the key drive beard.

Bei derartigen Schlössern besteht eine gewisse Gefahr, daß ein Einbrecher einen Dorn durch das Schlüsselloch und die Zuhaltungsöffnungen hindurch bis zum Riegel führt und durch Hammerschläge versucht, den Riegel unter Deformation des Tourstiftes und der Zuhaltungen zurück zu schlagen. Um eine Kraftkomponente in Richtung des Riegelweges aufbringen zu können, muß er versuchen, den Dorn oder Durchschläger schräg anzusetzen und den Rand der Schlüsselsteuerkurve im Riegel zu treffen. Dieser Angriff auf das Schloß wird dadurch begünstigt, daß das Zuhaltungspaket im Drehbereich des Schlüsselbartes eine relativ große Aussparung in Form der Schlüsselsteuerkurve aufweist (siehe Dokument US-A-4.453.389).With such locks, there is a certain risk that a burglar will lead a thorn through the keyhole and the tumbler openings to the bolt and try to strike the bolt back with deformation of the tour pin and the tumblers. In order to be able to apply a force component in the direction of the bolt path, he must try to set the mandrel or punch diagonally and hit the edge of the key control curve in the bolt. This attack on the lock is promoted by the fact that the tumbler package has a relatively large cutout in the form of the key control curve in the area of rotation of the key bit (see document US-A-4,453,389).

Der Erfindung liegt die Aufgabe zugrunde, durch konstruktive Maßnahmen die Manipuliersicherheit von Wertbehälterschlössern zu erhöhen und das Zurückschlagen des Riegels zu verhindern.The invention has for its object to increase the security against manipulation of security locks by constructive measures and to prevent the bolt from striking back.

Es ist weiterhin Aufgabe der Erfindung, das Ausspähen der Schloßkodierung mit Hilfe eines Endoskopes zu erschweren.It is a further object of the invention to make it difficult to spy out the lock coding with the aid of an endoscope.

Erfindungsgemäß werden diese Schwierigkeiten dadurch gelöst, daß der Schloßriegel im Bereich der Aussparung eine rechteckige Vertiefung aufweist, daß in dieser Vertiefung eine rechteckige Schutzplatte aus zähhartem Material gegenüber dem Riegel verschiebbar gelagert ist, daß diese Schutzplatte ein auf den Riegelantriebsbart abgestimmtes Schlüsselloch aufweist und daß die Schutzplatte eine kreisrunde Öffnung aufweist, durch welche der gehäusefeste Zuhaltungslagerdorn hindurchgreift.According to the invention, these difficulties are solved in that the lock bolt has a rectangular recess in the area of the recess, in that a rectangular protective plate made of tough material is slidably mounted in this recess relative to the bolt, that this protective plate has a keyhole matched to the bolt drive type and that the protective plate has a circular opening through which the housing-fixed tumbler bearing pin extends.

Ausführungsbeispiele der Erfindung werden anhand von Fig. 1 - 6 der Zeichnung erläutert.

  • Fig. 1 zeigt einen Querschnitt durch den Mittelteil eines Wertbehälterschlosses mit einer Schutzplatte auf dem Riegel,
  • Fig. 2 eine Draufsicht auf den Riegel,
  • Fig. 3 die Form der Schutzplatte,
  • Fig. 4 die Ansicht eines dazu passenden Schlüssels mit der im Schnitt dargestellten Schutzplatte,
  • Fig. 5 einen Querschnitt durch ein Schloß mit einer Schutzplatte im Zuhaltungspaket,
  • Fig. 6 eine verschwenkbare Schutzplatte zur Sperrung des Schlüsselloches.
Embodiments of the invention are explained with reference to FIGS. 1-6 of the drawing.
  • 1 shows a cross section through the central part of a security lock with a protective plate on the bolt,
  • 2 is a plan view of the latch,
  • 3 shows the shape of the protective plate,
  • 4 is a view of a matching key with the protective plate shown in section,
  • 5 shows a cross section through a lock with a protective plate in the tumbler package,
  • Fig. 6 is a pivotable protective plate for locking the keyhole.

In Fig. 1 ist mit 1 der Schloßriegel bezeichnet, der verschiebbar auf dem Schloßboden 2 gelagert ist. Der Riegel weist eine Aussparung 1a für den Antriebsbart des Schlüssels auf. Der Riegel 1 hat an seiner Oberseite eine rechteckige Vertiefung 1b, in der eine rechteckige Schutzplatte 3 verschiebbar gelagert ist. Diese Schutzplatte 3 besteht vorzugsweise aus zähhartem Manganstahl. Die Dicke der Schutzplatte 3 ist so gewählt, daß sie über die Ebene des Riegels 1 nicht hinausragt. Für den Einbau der Schutzplatte 3 wird also keine zusätzliche Bauhöhe benötigt. Mit 5 ist ein Schlüsseldorn bezeichnet, der mit dem Schloßboden 2 vernietet ist.In Fig. 1, the lock bolt is designated 1, which is slidably mounted on the lock base 2. The bolt has a cutout 1a for the drive type of the key. The bolt 1 has a rectangular recess 1b on its top, in which a rectangular protective plate 3 is slidably mounted. This protective plate 3 is preferably made of tough manganese steel. The thickness of the protective plate 3 is chosen so that it does not protrude beyond the level of the bolt 1. No additional overall height is therefore required for installing the protective plate 3. 5 with a key arbor is riveted to the lock base 2.

Fig. 2 zeigt den Riegel 1 von oben mit der Aussparung 1a und der Vertiefung 1b für die Schutzplatte 3. Mit 1c ist ein Langloch bezeichnet, durch das ein mit dem Schloßboden 2 verbundener Zuhaltungslagerdorn hindurchgreift.Fig. 2 shows the bolt 1 from above with the recess 1a and the recess 1b for the protective plate 3. 1c denotes an elongated hole through which a tumbler bearing mandrel connected to the lock base 2 extends.

In Fig. 3 ist die rechteckige Schutzplatte 3 dargestellt, die am linken Ende eine kreisrunde Öffnung 3a, in der MItte eine Schlüssellochaussparung 3b und am rechten Ende einen Schlitz 3c aufweist. Die für einen Bart ausgelegte Aussparung 3b wird so klein wie möglich gehalten.
Über die Öffnung 3a wird die Platte 3 durch den Zuhaltungslagerdorn festgehalten, während sich der Riegel 1 unter der Platte 3 hin- und herbewegen kann.3 shows the rectangular protective plate 3, which has a circular opening 3a at the left end, a keyhole cutout 3b in the middle and a slot at the right end 3c. The recess 3b designed for a beard is kept as small as possible.
The plate 3 is held by the tumbler bearing mandrel via the opening 3a, while the bolt 1 can move back and forth under the plate 3.

Die Schutzplatte 3 wirkt im Schloß wie folgt:
Bei ausgefahrenem Riegel(rechte Endstellung) steht der Schlüssellochrand der Schutzplatte genau über dem linken Rand der Aussparung 1a. Wenn nun ein Einbrecher versucht, den Riegel zurückzuschlagen, trifft das Werkzeug auf die kaum zerstörbare Schutzplatte, die die Schlagenergie aufnimmt. Eine Komponente kann dabei auf den Zuhaltungslagerdorn wirken. Der Riegel wird zwar indirekt in Richtung Schloßboden belastet, jedoch kann er nicht in Öffnungsrichtung verschoben werden.
Falls die Schutzplatte verbogen wird, verkeilt sich das gesamte Schließsystem derart, daß der Riegel völlig blockiert wird.The protective plate 3 acts as follows in the castle:
When the bolt is extended (right end position), the keyhole edge of the protective plate is exactly above the left edge of the recess 1a. If a burglar tries to pull the bolt back, the tool hits the barely destructible protective plate, which absorbs the impact energy. A component can act on the tumbler bearing mandrel. The bolt is loaded indirectly in the direction of the lock floor, but it cannot be moved in the opening direction.
If the protective plate is bent, the entire locking system wedges in such a way that the bolt is completely blocked.

Fig. 4 zeigt einen zu der beschriebenen Anordnung passenden Schlüssel 4 mit angedeuteter Schutzplatte 3. Am Schlüsselende ist der Riegelantriebsbart 4a angebracht. Anschließend folgt eine bartlose Zone 4b im Bereich der Schutzplatte. Mit 4c ist der kodierte Doppelbart bezeichnet.FIG. 4 shows a key 4 matching the arrangement described, with a protective plate 3 indicated. The bolt drive beard 4a is attached to the key end. This is followed by a beardless zone 4b in the area of the protective plate. The coded double bit is designated by 4c.

Fig. 5 zeigt einen Teilquerschnitt durch ein Schloß mit einer Schutzplatte, die im Zuhaltungspaket angeordnet ist. Der Schloßriegel 11 liegt auf dem Schloßboden 12. Die Schutzplatte 13 liegt zwischen zwei Platten des Zuhaltungspaketes 15 und wird in dieser Position durch zwei Abstandsbolzen 16, 17 gehalten, die mit dem Schloßboden 12 vernietet sind. Hinter dem Bolzen 16 ist der mit dem Riegel 11 verbundene Tourstift 18 zu sehen. Mit 19 ist der Schlüsseldorn bezeichnet. Anders als in Fig. 3 ist hier die Schutzplatte 13 mit einem Doppelbartschlüsselloch versehen. Die Schutzplatte hat hier die Aufgabe, das Ausspähen der Kodierung mit einem Endoskop zu verhindern.Fig. 5 shows a partial cross section through a lock with a protective plate which is arranged in the tumbler package. The lock bolt 11 lies on the lock base 12. The protective plate 13 lies between two plates of the tumbler package 15 and is held in this position by two spacer bolts 16, 17 which are riveted to the lock base 12. The touring pin 18 connected to the bolt 11 can be seen behind the bolt 16. With 19 the key pin is designated. In contrast to FIG. 3, the protective plate 13 is provided with a double-bit keyhole. The protective plate has the task of preventing the coding from being spied out with an endoscope.

In Fig. 6 ist eine schwenkbare Schutzplatte 23 dargestellt, die auf dem Zuhaltungspaket liegt und mit ihrer kreisförmigen Öffnung 23a über den Zuhaltungslagerdorn geschoben wird. Das Doppelbartschlüsselloch 23b ist an der Stelle 23b1 auf einer Kreisbahn um die Öffnung 23a erweitert, so daß die Platte bei eingestecktem Schlüssel in Richtung des Pfeiles 24 verschwenkt werden kann. Die Platte weist zusätzlich ein Langloch 23c auf, in das ein mit einer Zwangszuhaltung verbundener Dorn 25 eingreift.
Die Wirkungsweise ist folgende:
Wenn ein Schlüssel oder Dietrich in das Schlüsselloch eingeführt und die Zwangszuhaltung ausgelöst wird, springt die Schutzplatte 23 in eine Blockadestellung, in welcher das Schlüsselloch fast völlig versperrt ist.6 shows a pivotable protective plate 23 which lies on the tumbler package and is pushed with its circular opening 23a over the tumbler bearing mandrel. The double-bit keyhole 23b is expanded at a point 23b1 on a circular path around the opening 23a, so that the plate can be pivoted in the direction of arrow 24 when the key is inserted. The plate additionally has an elongated hole 23c into which a mandrel 25 connected to a positive locking device engages.
The mode of action is as follows:
When a key or lockpick is inserted into the keyhole and the forced locking is released, the protective plate 23 jumps into a blocking position in which the keyhole is almost completely blocked.

Die beschriebenen Schutzplatten können vorteilhaft bei allen Wertbehälterdoppelbartschlössern eingesetzt werden. Die im Riegel gelagerte Schutzplatte erfordert keine zusätzliche Bauhöhe und kann ohne großen Mehraufwand in ausgereifte, auf dem Markt eingeführte Schloßtypen integriert werden.The protective plates described can be used to advantage in all double-lock locks for valuables. The protective plate mounted in the bolt does not require any additional height and can be integrated into sophisticated lock types that have been launched on the market without much additional effort.

Claims (5)

1. Lock for container of valuables for double bit keys with a bolt (1) guided at the base of the lock (2) and a tumbler packet (15) mounted on the bolt (1), in which the bolt (1) has an elongate hole (23c) for the turning pin (18) an elongate hole (23a) for the tumbler mounting pin (5) and a recess (1a) for the key drive bit (4c),
characterised in that the lock bolt (1) has a rectangular cavity (1b) in the region of this recess (1a),
in that in this cavity (1b) there is displaceably mounted opposite the bolt (1) a rectangular security plate (3) of tough material,
in that this security plate (3) has a keyhole (3b) adapted to the bolt drive bit (4a) and in that the security plate (3) has a circular opening (3a) through which there extends in engaging manner the tumbler mounting pin (5) which is fixed to the housing.
2. Lock for container of valuables according to claim 1, characterised in that the thickness of the security plate (3) corresponds to the cavity of the bolt (1), so that the security plate (3) in the lock requires no additional construction height.
3. Lock for container of valuables according to claim 1, characterised in that the security plate (3) consists of manganese steel.
4. Lock for container of valuables according to claim 1, characterised in that there is arranged in the tumbler packet (15) a further security plate (13) which has a double bit keyhole (23b) and is secured against displacement by means of spacing pins (16,17).
5. Lock for container of valuables according to claim 1, characterised in that there is additionally provided pivotally about the tumbler mounting pin a security plate (23), which is coupled by means of a guide pin (25) with a control tumbler, in which the double bit keyhole (23b) has an additional recess (23b1), which permits a rotation of the security plate (23) when a key or skeleton key is introduced into the keyhole (23b) and the control tumbler is moved.
EP89106839A 1989-04-17 1989-04-17 Safe lock Expired - Lifetime EP0393213B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT89106839T ATE79434T1 (en) 1989-04-17 1989-04-17 SAFE LOCK.
DE8989106839T DE58902052D1 (en) 1989-04-17 1989-04-17 SECURITY LOCK.
EP89106839A EP0393213B1 (en) 1989-04-17 1989-04-17 Safe lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89106839A EP0393213B1 (en) 1989-04-17 1989-04-17 Safe lock

Publications (2)

Publication Number Publication Date
EP0393213A1 EP0393213A1 (en) 1990-10-24
EP0393213B1 true EP0393213B1 (en) 1992-08-12

Family

ID=8201248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106839A Expired - Lifetime EP0393213B1 (en) 1989-04-17 1989-04-17 Safe lock

Country Status (3)

Country Link
EP (1) EP0393213B1 (en)
AT (1) ATE79434T1 (en)
DE (1) DE58902052D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889026A (en) * 2012-09-21 2013-01-23 北华大学 Clamping type mechanical antitheft lock

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797384B (en) * 2012-07-03 2014-11-05 北华大学 Blocking type mechanical anti-theft lock
CN103075048B (en) * 2012-09-21 2015-05-20 北华大学 Detaching-type mechanical antitheft lock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453389A (en) * 1979-10-24 1984-06-12 Lazar Kaufman Protective device for the door-lock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889026A (en) * 2012-09-21 2013-01-23 北华大学 Clamping type mechanical antitheft lock
CN102889026B (en) * 2012-09-21 2015-01-14 北华大学 Clamping type mechanical antitheft lock

Also Published As

Publication number Publication date
EP0393213A1 (en) 1990-10-24
ATE79434T1 (en) 1992-08-15
DE58902052D1 (en) 1992-09-17

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