EP0590295B1 - Device for shutting and opening a turning catch bolt of a door opener pursued by zero signal current - Google Patents

Device for shutting and opening a turning catch bolt of a door opener pursued by zero signal current Download PDF

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Publication number
EP0590295B1
EP0590295B1 EP93113371A EP93113371A EP0590295B1 EP 0590295 B1 EP0590295 B1 EP 0590295B1 EP 93113371 A EP93113371 A EP 93113371A EP 93113371 A EP93113371 A EP 93113371A EP 0590295 B1 EP0590295 B1 EP 0590295B1
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EP
European Patent Office
Prior art keywords
locking
electromagnet
locking lever
safety catch
stop member
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
EP93113371A
Other languages
German (de)
French (fr)
Other versions
EP0590295A1 (en
Inventor
Fritz Helmut Dipl.-Ing. Fuss
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.)
Fritz Fuss GmbH and Co
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Fritz Fuss GmbH and Co
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Filing date
Publication date
Application filed by Fritz Fuss GmbH and Co filed Critical Fritz Fuss GmbH and Co
Publication of EP0590295A1 publication Critical patent/EP0590295A1/en
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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
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E05B47/0047—Striker rotating about an axis parallel to the wing edge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/54—Trippers
    • Y10T292/564—Swinging bolt, swinging detent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers
    • Y10T292/696—With movable dog, catch or striker
    • Y10T292/699—Motor controlled

Definitions

  • the invention relates to a locking / unlocking device for a swing latch of a closed-circuit door opener with a Locking lever for the swivel trap by an electromagnet is controlled.
  • the invention has for its object a locking / unlocking device of the kind mentioned in the introduction, which then also reliably releases the swivel trap assured if a person even before switching off or interrupting the magnetic current strong pressure on the Swing trap exercises.
  • a locking lever between the electromagnet and the locking lever is arranged a locking lever is that the safety lever as a two-armed swivel lever trained and pivoted axially parallel to the locking lever is that an arm of the safety lever as the anchor of the Electromagnet trained and the other arm with one Stop for engagement with the locking lever is provided, and that the effective interface between the locking lever and the stop is designed so that even under continuous Push the locking lever on the stop to Time of a supply interruption of the electromagnet a wedge-like displacement effect on the stop the locking lever is done.
  • the invention has the advantage that with a single movable Part, the swiveling safety lever, in combination reliable locking / unlocking with the locking lever the swivel latch is ensured.
  • the electromagnet When de-energized of the electromagnet is jamming of the interacting Parts excluded.
  • the locking lever in the event of a power failure released immediately.
  • a preferred development of the invention consists in that the stop from a rotatably mounted socket consists. In this way, the locking lever on the stop unroll so that the frictional forces are minimized.
  • the locking lever in Direction of the locking position is resiliently biased.
  • Another preferred embodiment of the invention exists in that the two arms of the safety lever essentially are aligned perpendicular to each other, and that the bearing point of the safety lever at the crossing point of the both arms. In this way you get a space-saving Arrangement that easily in one Door opener housing can be installed.
  • 9 denotes a door opener housing, in which all components are arranged.
  • Those door opener parts are to be designed clearly not reproduced or described, which is not immediate with the locking / unlocking device of a swivel trap 21 related.
  • the pivot trap 21 is in a known manner around a the pivot axis 22 lying in the drawing plane is deflectably mounted. From the blocking position shown in the figure by swiveling them out of the drawing plane into the Release position are brought.
  • the locking / releasing device further comprises an electromagnet 23 and an axis parallel to the locking lever 25 Swiveling safety lever 24.
  • the safety lever 24 is designed with two arms, one arm as Armature 26 of the electromagnet 23 is formed and on the other Arm 27 a stop 28 for engagement with the locking lever 25 is arranged.
  • Figure 1 shows the blocked position of the Locking lever 25 and the locking lever 24, in which the Armature 26 rests directly on the electromagnet 23 and itself the stop 28 is located in the pivot path of the locking lever 25.
  • the electromagnet 23 holds the safety lever 24 in the position shown, so that a Pivotal movement of the locking lever 25 in the direction of the arrow in his Release position and thus a deflection of the swivel latch 21 are excluded.
  • Figure 2 shows the position of the locking lever 24 in de-energized state of the electromagnet 23.
  • a second Spring 36 acts on the locking lever 24 against the first Spring 32 in such a way that it is in the de-energized state of the Magnet 23 is positioned in an intermediate layer. He can then slightly towards the electromagnet 23 and blocking position or Towards the housing wall 37 away from the electromagnet 23 in the Swivel release position. Located in the liner the armature 26 between the electromagnet 23 and the Housing wall 37 without the electromagnet 23 and the Touch housing wall 37.
  • the arm of the safety lever 24 forming the armature 26 runs essentially parallel to the housing longitudinal wall and the arm 27 carrying the stop 28 is substantially horizontal aligned transversely to the longitudinal wall of the housing.
  • the anchor 26 is biased into the locked position by a spring 34, in which it rests on the electromagnet 23.
  • the attack 28 consists of a rotatably mounted bushing 30.
  • the safety lever is in the connection point of his two Arms over a pin 29 axially parallel to the locking lever 25 pivoted.
  • the bush 30 and the free end of the locking lever 25 act in such a way that a displacement effect of the Locking lever 25 is exerted on the socket 30.
  • the cylinder jacket of the sleeve 30 is the deflection of the Bushing 30 in the manner of a wedge gear, the friction is minimized by rolling the bushing.

Landscapes

  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

A locking/release mechanism for a pivot bolt of a closed-circuit door opener with a safety catch for the pivot bolt, which is controlled by an electromagnet. In order to reliably ensure release of the pivot bolt, even if a person has exerted strong pressure thereon prior to the cutting out or interruption of the magnet current, a locking lever is positioned between the electromagnet and the safety catch. The locking lever has a two-armed construction, one arm being provided with a stop member for engaging with the safety catch and the other arm being in the form of the electromagnet armature. The effective contact surface between the safety catch and the stop member is constructed in such a way that there is a wedge-like displacement action on the stop member through the safety catch.

Description

Die Erfindung betrifft eine Sperr-/Freigabevorrichtung für eine Schwenkfalle eines Ruhestrom-Türöffners mit einem Sperrhebel für die Schwenkfalle, der von einem Elektromagneten gesteuert wird.The invention relates to a locking / unlocking device for a swing latch of a closed-circuit door opener with a Locking lever for the swivel trap by an electromagnet is controlled.

Bekanntlich wird bei Ruhestrom-Türöffnern im Unterschied zu Türöffnern mit Arbeitsstromfunktion die Schwenkfalle im stromlosen Zustand des Elektromagneten beweglich und die betreffende Tür kann geöffnet werden. Steht der Magnet des Ruhestrom-Türöffners unter Spannung, wird der Sperrhebel durch die Wirkung des Elektromagneten arretiert, so daß eine geschlossene Tür nicht geöffnet werden kann. Wird dagegen der Stromkreis ausgeschaltet oder bei Stromausfall unterbrochen, wird die Schwenkfalle freigegeben, so daß die betreffende Tür beliebig auf- und zugemacht werden kann.As is known, in the case of closed-circuit electric strikes, there is a difference Door openers with shunt function the swing latch movable when the electromagnet is de-energized and the door in question can be opened. Is the Magnet of the closed-circuit electric strike under voltage, the Locking lever locked by the action of the electromagnet, so that a closed door cannot be opened. If, on the other hand, the circuit is switched off or in the event of a power failure interrupted, the swivel latch is released, so that the door in question can be opened and closed can be.

Derartige Ruhestrom-Türöffner arbeiten sehr zuverlässig. In Ausnahmefällen jedoch, in welchen eine Person noch vor dem Abschalten bzw. Unterbrechen des Magnetstroms starken Druck auf die Schwenkfalle ausübt, besteht die Gefahr, daß eine Verklemmung der Hebelmechanik auftrifft, welche eine Freigabe der Schwenkfalle verhindert. Quiescent current door openers of this type work very reliably. In Exceptional cases, however, in which a person before the Switching off or interrupting the magnetic current strong pressure exercises on the swivel trap, there is a risk that a Jamming of the lever mechanism hits which one Release of the swivel trap prevented.

Der Erfindung liegt die Aufgabe zugrunde, eine Sperr-/Freigabevorrichtung der Eingangs genannten Art zu schaffen, welche auch dann zuverlässig eine Freigabe der Schwenkfalle gewährleistet, wenn eine Person noch vor dem Abschalten bzw. Unterbrechen des Magnetstroms starken Druck auf die Schwenkfalle ausübt.The invention has for its object a locking / unlocking device of the kind mentioned in the introduction, which then also reliably releases the swivel trap assured if a person even before switching off or interrupting the magnetic current strong pressure on the Swing trap exercises.

Diese Aufgabe wird dadurch gelöst, daß zwischen dem Elektromagnet und dem Sperrhebel ein Sicherungshebel angeordnet ist, daß der Sicherungshebel als zweiarmiger Schwenkhebel ausgebildet und achsparallel zum Sperrhebel schwenkbar gelagert ist, daß ein Arm des Sicherungshebels als Anker des Elektromagneten ausgebildet und der andere Arm mit einem Anschlag zum Eingriff mit dem Sperrhebel versehen ist, und daß die wirksame Berührungsfläche zwischen dem Sperrhebel und dem Anschlag so ausgebildet ist, daß auch unter ununterbrochenem Druck des Sperrhebels auf den Anschlag zum Zeitpunkt einer Versorungsunterbrechung des Elektromagneten eine keilartige Verdrängungswirkung auf den Anschlag durch den Sperrhebel erfolgt.This object is achieved in that between the electromagnet and the locking lever is arranged a locking lever is that the safety lever as a two-armed swivel lever trained and pivoted axially parallel to the locking lever is that an arm of the safety lever as the anchor of the Electromagnet trained and the other arm with one Stop for engagement with the locking lever is provided, and that the effective interface between the locking lever and the stop is designed so that even under continuous Push the locking lever on the stop to Time of a supply interruption of the electromagnet a wedge-like displacement effect on the stop the locking lever is done.

Die Erfindung hat den Vorteil, daß mit einem einzigen bewegbaren Teil, dem verschwenkbaren Sicherungshebel, in Kombination mit dem Sperrhebel eine zuverlässige Sperre-/Freigabe der Schwenkfalle sichergestellt ist. Im stromlosen Zustand des Elektromagneten ist ein Verklemmen der zusammenwirkenden Teile ausgeschlossen. Insbesondere in einem Panikfall, wenn ununterbrochen starker Druck auf die Schwenkfalle ausgeübt wird, wird der Sperrhebel bei Stromunterbrechung sofort freigegeben. The invention has the advantage that with a single movable Part, the swiveling safety lever, in combination reliable locking / unlocking with the locking lever the swivel latch is ensured. When de-energized of the electromagnet is jamming of the interacting Parts excluded. Especially in the event of a panic, if there is constant pressure on the swivel latch is exercised, the locking lever in the event of a power failure released immediately.

Eine bevorzugte Weiterbildung der Erfindung besteht darin, daß der Anschlag aus einer drehbar gelagerten Buchse besteht. Auf diese Weise kann der Sperrhebel auf dem Anschlag abrollen, so daß die Reibungskräfte minimiert werden.A preferred development of the invention consists in that the stop from a rotatably mounted socket consists. In this way, the locking lever on the stop unroll so that the frictional forces are minimized.

Um zu verhindern, daß der Sicherungshebel durch Manipulation, beispielsweise durch Schlageinwirkung auf das Schloß, kurzzeitig aus der Sperrlage in die Offenlage gebracht werden kann, ist es zweckmäßig, daß der Sicherungshebel in Richtung auf die Sperrlage federnd vorgespannt ist.To prevent the safety lever from being manipulated, for example by impact on the lock, be brought briefly from the blocked position to the open position can, it is appropriate that the locking lever in Direction of the locking position is resiliently biased.

Eine weitere bevorzugte Ausgestaltung der Erfindung besteht darin, daß die beiden Arme des Sicherungshebels im wesentlichen senkrecht zueinander ausgerichtet sind, und daß sich der Lagerpunkt des Sicherungshebels im Kreuzungspunkt der beiden Arme befindet. Auf diese Weise erhält man eine raumsparende Anordnung, die auf einfache Weise in ein Türöffnergehäuse eingebaut werden kann.Another preferred embodiment of the invention exists in that the two arms of the safety lever essentially are aligned perpendicular to each other, and that the bearing point of the safety lever at the crossing point of the both arms. In this way you get a space-saving Arrangement that easily in one Door opener housing can be installed.

Nachfolgend wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles weiter beschrieben.

Figur 1
zeigt schematisch einen Querschnitt durch einen Ruhestrom-Türöffner mit bestromtem Elektromagnet und
Figur 2
zeigt schematisch einen Querschnitt durch einen Ruhestrom-Türöffner mit unbestromtem Elektromagnet.
The invention is described below with reference to an embodiment shown in the drawing.
Figure 1
shows schematically a cross section through a quiescent current door opener with energized electromagnet and
Figure 2
shows schematically a cross section through a closed-circuit electric strike with de-energized electromagnet.

In den Figuren ist mit 9 ein Türöffnergehäuse bezeichnet, in welchem alle Komponenten angeordnet sind. Um die Figuren übersichtlich zu gestalten, sind diejenigen Türöffnerteile nicht wiedergegeben bzw. beschrieben, welche nicht unmittelbar mit der Sperr-/Freigabevorrichtung einer Schwenkfalle 21 im Zusammenhang stehen.In the figures, 9 denotes a door opener housing, in which all components are arranged. About the figures Those door opener parts are to be designed clearly not reproduced or described, which is not immediate with the locking / unlocking device of a swivel trap 21 related.

Die Schwenkfalle 21 ist auf bekannte Weise um eine in der Zeichenebene liegende Schwenkachse 22 auslenkbar gelagert. Aus der in der Figur dargestellten Sperrposition kann sie durch Verschwenkung aus der Zeichenebene heraus in die Freigabeposition gebracht werden.The pivot trap 21 is in a known manner around a the pivot axis 22 lying in the drawing plane is deflectably mounted. From the blocking position shown in the figure by swiveling them out of the drawing plane into the Release position are brought.

Sie wird von einem Sperrhebel 25 beaufschlagt, dessen Achse 31 senkrecht zur Zeichenebene verläuft. Er ist mit einer Feder 32 gegen die Schwenkfalle 21 vorgespannt.It is acted upon by a locking lever 25, the axis of which 31 runs perpendicular to the plane of the drawing. He is with a feather 32 biased against the swivel latch 21.

Die Sperr-/Freigabevorrichtung umfaßt ferner einen Elektromagneten 23 sowie einen achsparallel zum Sperrhebel 25 schwenbar gelagerten Sicherungshebel 24. Der Sicherungshebel 24 ist zweiarmig ausgebildet, wobei der eine Arm als Anker 26 des Elekromagneten 23 ausgebildet ist und am anderen Arm 27 ein Anschlag 28 zum Eingriff mit dem Sperrhebel 25 angeordnet ist. Die Figur 1 zeigt die Sperrlage des Sperrhebels 25 und des Sicherungshebels 24, in welcher der Anker 26 unmittelbar am Elektromagneten 23 anliegt und sich der Anschlag 28 im Schwenkweg des Sperrhebels 25 befindet. Im bestromten Zustand hält der Elektromagnet 23 den Sicherungshebel 24 in der gezeigten Position, so daß eine Schwenkbewegung des Sperrhebels 25 in Pfeilrichtung in seine Freigabeposition und damit eine Auslenkung der Schwenkfalle 21 ausgeschlossen sind.The locking / releasing device further comprises an electromagnet 23 and an axis parallel to the locking lever 25 Swiveling safety lever 24. The safety lever 24 is designed with two arms, one arm as Armature 26 of the electromagnet 23 is formed and on the other Arm 27 a stop 28 for engagement with the locking lever 25 is arranged. Figure 1 shows the blocked position of the Locking lever 25 and the locking lever 24, in which the Armature 26 rests directly on the electromagnet 23 and itself the stop 28 is located in the pivot path of the locking lever 25. In the energized state, the electromagnet 23 holds the safety lever 24 in the position shown, so that a Pivotal movement of the locking lever 25 in the direction of the arrow in his Release position and thus a deflection of the swivel latch 21 are excluded.

Figur 2 zeigt die Position des Sicherungshebels 24 im unbestromten Zustand des Elektromagneten 23. Eine zweite Feder 36 wirkt auf den Sicherungshebel 24 gegen die erste Feder 32 in der Weise, daß er im stromlosen Zustand des Magneten 23 in einer Zwischenlage positioniert ist. Er kann dann leicht in Richtung Elektromagnet 23 und Sperrlage oder Richtung Gehäusewand 37 vom Elektromagneten 23 weg in die Freigabestellung schwenken. In der Zwischenlage befindet sich der Anker 26 zwischen dem Elektromagneten 23 und der Gehäusewand 37 ohne den Elektromagneten 23 und die Gehäusewand 37 zu berühren.Figure 2 shows the position of the locking lever 24 in de-energized state of the electromagnet 23. A second Spring 36 acts on the locking lever 24 against the first Spring 32 in such a way that it is in the de-energized state of the Magnet 23 is positioned in an intermediate layer. He can then slightly towards the electromagnet 23 and blocking position or Towards the housing wall 37 away from the electromagnet 23 in the Swivel release position. Located in the liner the armature 26 between the electromagnet 23 and the Housing wall 37 without the electromagnet 23 and the Touch housing wall 37.

Der den Anker 26 bildende Arm des Sicherungshebels 24 verläuft im wesentlichen parallel zur Gehäuselängswand und der den Anschlag 28 tragende Arm 27 ist im wesentlichen horizontal quer zur Gehäuselängswand ausgerichtet. Der Anker 26 wird durch eine Feder 34 in die Sperrposition vorgespannt, in welcher er am Elektromagneten 23 anliegt. Der Anschlag 28 besteht aus einer drehbar gelagerten Buchse 30. Der Sicherungshebel ist im Verbindungspunkt seiner beiden Arme über einen Stift 29 achsparallel zum Sperrhebel 25 schwenkbar gelagert.The arm of the safety lever 24 forming the armature 26 runs essentially parallel to the housing longitudinal wall and the arm 27 carrying the stop 28 is substantially horizontal aligned transversely to the longitudinal wall of the housing. The anchor 26 is biased into the locked position by a spring 34, in which it rests on the electromagnet 23. The attack 28 consists of a rotatably mounted bushing 30. The safety lever is in the connection point of his two Arms over a pin 29 axially parallel to the locking lever 25 pivoted.

Wird der Elektromagnet 23 stromlos, so wird der Anker 26 nicht mehr festgehalten. Bei Druck auf die Schwenkfalle 21, selbst wenn der Druck bereits vor der Stromabschaltung bestand, drückt das freie Ende des Sperrhebels 25 die Buchse 30 unter Verschwenkung des Sicherungshebels 24 gemäß Pfeil 35 weg, so daß der Sperrhebel 25 der Schwenkfalle 21 ungehindert nach links in die Freigabeposition ausweichen kann.If the electromagnet 23 is de-energized, the armature 26 no longer held. When pressing the swivel latch 21, even if the pressure existed before the power was turned off, presses the free end of the locking lever 25 the socket 30 while pivoting the safety lever 24 according to the arrow 35 away, so that the locking lever 25 of the pivot trap 21 unhindered can move to the left into the release position.

Die Buchse 30 und das freie Ende des Sperrhebels 25 wirken in der Weise zusammen, daß eine Verdrängungswirkung des Sperrhebels 25 auf die Buchse 30 ausgeübt wird. Durch den Zylindermantel der Buchse 30 erfolgt die Auslenkung der Buchse 30 in der Art eines Keilgetriebes, wobei die Reibung durch ein Abrollen der Buchse minimiert wird.The bush 30 and the free end of the locking lever 25 act in such a way that a displacement effect of the Locking lever 25 is exerted on the socket 30. By the The cylinder jacket of the sleeve 30 is the deflection of the Bushing 30 in the manner of a wedge gear, the friction is minimized by rolling the bushing.

Für den Fall, daß der Sicherungshebel 24 erst zu einem Zeitpunkt freigegeben wird, wenn bereits eine Person versucht, durch starken Druck auf die Schwenkfalle 21 den Türöffner bzw. die zugehörige Tür zu öffnen, ist es nicht erforderlich, daß der Druck nach dem Unterbrechen der Versorgungsspannung des Elektromagneten nachgelassen oder vollständig weggenommen werden muß. Auch unter diesen Umständen ist eine Verklemmung ausgeschlossen und der Angriffspunkt des Sperrhebels 25 an der Buchse 30 durchläuft eine Bahn, welche eine Blockierung ausschließt.In the event that the locking lever 24 to one Time is released when a person already tried by the strong pressure on the swivel trap 21 den Opening the door opener or the associated door is not required that the pressure after interrupting the Supply voltage of the electromagnet decreased or must be completely removed. Even among these Circumstances are impossible and the Point of engagement of the locking lever 25 on the socket 30 passes through a path that prevents blocking.

Claims (6)

  1. A locking/release mechanism for a pivot bolt (21) of a closed-circuit door opener with a safety catch (25) for the pivot bolt (21), which is controlled by an electromagnet (23),
    characterized in that
    between the electromagnet (23) and the safety catch (25) is arranged a locking lever (24), the locking lever (24) is constructed as a two-armed rocking lever and is pivotably mounted axially parallel to the safety catch (25), one arm of the locking lever (24) is constructed as armature (26) of the electromagnet (23) magnet (23) and the other arm (27) is provided with a stop member (28) for engaging with the safety catch (25), and the effective contact surface between the safety catch (25) and the stop member (28) is constructed in such a way that also when uninterrupted pressure of safety catch (25) occurs on the stop member (28) at the time of a power supply interruption to the electromagnet (23), a wedge-like displacement action occurs on the stop member (28) through the safety catch (25).
  2. A locking/release mechanism according to claim 1,
    characterized in that
    the stop member (28) comprises a bush (30) mounted in rotary manner.
  3. A locking/release mechanism according to claim 1 or 2, characterized in that
    the locking lever (24) is pretensioned by a first spring (34) towards the locked position.
  4. A locking/release mechanism according to claim 3, characterized in that
    a second spring (36) which is directed against the first spring (34) is provided and acts on the locking lever (24) in such a way that it is positioned in an intermediate position so that, as required, it can pivot towards the electromagnet (32) and the locked position or in the release direction.
  5. A locking/release mechanism according to one of the preceding claims,
    characterized in that
    the two arms of the locking lever (24) are oriented substantially perpendicular to one another and the bearing point of the locking lever is at the intersection of its two arms.
  6. A locking/release mechanism according to one of the preceding claims,
    characterized in that
    the arm (27) is subject to tension.
EP93113371A 1992-09-02 1993-08-20 Device for shutting and opening a turning catch bolt of a door opener pursued by zero signal current Expired - Lifetime EP0590295B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4229239 1992-09-02
DE4229239A DE4229239C1 (en) 1992-09-02 1992-09-02

Publications (2)

Publication Number Publication Date
EP0590295A1 EP0590295A1 (en) 1994-04-06
EP0590295B1 true EP0590295B1 (en) 2000-03-01

Family

ID=6467021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93113371A Expired - Lifetime EP0590295B1 (en) 1992-09-02 1993-08-20 Device for shutting and opening a turning catch bolt of a door opener pursued by zero signal current

Country Status (5)

Country Link
US (1) US5439262A (en)
EP (1) EP0590295B1 (en)
AT (1) ATE190108T1 (en)
CA (1) CA2105322C (en)
DE (2) DE4229239C1 (en)

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Also Published As

Publication number Publication date
US5439262A (en) 1995-08-08
DE59309961D1 (en) 2000-04-06
CA2105322C (en) 1996-08-06
CA2105322A1 (en) 1994-03-03
DE4229239C1 (en) 1993-09-23
ATE190108T1 (en) 2000-03-15
EP0590295A1 (en) 1994-04-06

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