EP0410122B1 - Mortise lock with catch bolt fixing device - Google Patents

Mortise lock with catch bolt fixing device Download PDF

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Publication number
EP0410122B1
EP0410122B1 EP90110952A EP90110952A EP0410122B1 EP 0410122 B1 EP0410122 B1 EP 0410122B1 EP 90110952 A EP90110952 A EP 90110952A EP 90110952 A EP90110952 A EP 90110952A EP 0410122 B1 EP0410122 B1 EP 0410122B1
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EP
European Patent Office
Prior art keywords
locking
change
lever
virtue
mortise lock
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
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EP90110952A
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German (de)
French (fr)
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EP0410122A1 (en
Inventor
Manfred Hinz
Franz Röwer
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BKS GmbH
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BKS GmbH
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Priority to AT90110952T priority Critical patent/ATE95875T1/en
Publication of EP0410122A1 publication Critical patent/EP0410122A1/en
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Publication of EP0410122B1 publication Critical patent/EP0410122B1/en
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    • 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
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts

Definitions

  • the invention relates to a mortise lock with an optionally retractable by handle and key actuation via a change latch and a lock cuff accessible and actuable locking element that allows the latch to be locked against the action of a latch spring attacking it in the retracted state.
  • Mortise locks with latch locking of the above type are known from the BKS brochure 820, page 904. They are particularly installed in front doors or apartment entrance doors, which are usually only equipped with a handle on the inside, while a fixed knob is installed on the outside. To open such doors from the outside, a key must always be used to pull the lock latch over the change and thus open the door. At special times, for example when moving house, you want to be able to open the door without having to use the key from the outside every time. In such cases, the trap detection in the castle is intended. In the known generic mortise lock, the lock latch is pushed in for latch detection and then a slide arranged in the lock faceplate is displaced, as a result of which the latch is pushed in State is locked.
  • the lock latch can be released again by actuating this slide in the opposite direction. Since the cuff-side slide is accessible to everyone when the door is open, even unauthorized persons can find the latch when it is pushed in. This would not even be particularly noticeable with front doors that are equipped with a door closer, since the door closer always keeps the door in the closed position. A door manipulated in this way by unauthorized persons could then be opened from the outside without a key.
  • the invention has for its object to provide a mortise lock with lock detection of the type mentioned, which does not have the disadvantages mentioned above, rather the lock latch in the retracted state only possible by the authorized key holder, but no additional such as to be arranged in the lock faceplate Lock cylinder is to be used, but to do this the key insertion opening already present in the mortise lock, usually in its built-in lock cylinder.
  • a generic mortise lock in that the latch can be pulled in by an overstroke dimension by the key-actuated change more than by its lever actuation and the locking element in the corresponding overstroke movement range of the latch and the change can be brought into locking engagement with the latter.
  • the change in order to be able to lock the latch in such a mortise lock, the change must first be adjusted or raised by key actuation to such an extent that it can then be actuated by the locking element which can be actuated on the cuff its locking engagement occurs with the change. It must be ensured that the latch cannot be pulled in as much as by key actuation of the change, because otherwise the change could also be brought into locking engagement with the locking element simply by pressing the latch sufficiently.
  • the locking engagement between the locking element and the change can be designed to be non-positive, whereby this locking engagement can be maintained by the pressure of the latch spring imparted on the latch by the latch or can be released by further pushing the latch.
  • the trap detection can still be solved by anyone, including unauthorized persons.
  • the locking engagement between the locking element and the change can also be designed in a positive manner, in which case this positive engagement can only be canceled by moving the change by key.
  • the locking element is advantageously under the action of a return spring that tries to press it into its release position. It is designed in particular as a locking lever which is pivotably mounted about an axle bolt located close below the trap, the restoring spring acting on it being designed as a leg spring wound around the axle bolt.
  • the latter can advantageously consist of a change lever that engages the latch to pivot about an axle bolt located near the follower, and an alternately connected pressure piece that can be raised by key actuation and that is in the vicinity of its connecting joint to the change lever with an obliquely downward Locking lug is provided, over which, in the position of the alternating pressure piece raised by key actuation, the locking lever is to be pivoted with a locking opening provided on it, the contact pressure caused by the latch spring on the lower edge of the locking opening in the locking lever being greater than its stripping force caused by its leg spring .
  • To release the latch it is only necessary here to push the latch a little further so that the change is relieved of the latch spring force and thus the locking lever is pivoted into the release position under the action of the leg spring acting on it.
  • the change consists of one that engages the latch, in the follower nut next to it Trap driver arm rotatably mounted two-armed change lever and an alternating pressure piece which is articulated to the arm not engaging the latch and which can be raised by key actuation, at the articulated end of which there is a graduated locking bend, behind the graduation shoulder of which in the position of the alternating pressure piece raised by key actuation, the locking lever with it swivel in the existing locking edge.
  • the mortise lock shown in FIGS. 1 and 2 the lock case 1 of which is exposed through the largely removed lock cover 2, has a trap 5 which can be pulled in through the press nut 3 and its latch driver arm 4, which, under the action of the attacking it and moving it into the position shown in FIG .1 shown extended position to press looking trap spring 6 stands.
  • the lever retaining spring 8 engages via the chain spring piece 7. With 9 the latch guide in the lock case is designated.
  • the lock 10 includes the bolt 10 which, through the closing thumb, is arranged in the opposite one in the lock case 1 and in the lock cover 2 plug openings 11 built in and can be extended and retracted in several revolutions, for example by a profile locking cylinder held in the screw guide 12, not shown.
  • the tumblers 13 and 14 cooperating with the bolt 10 are of a known nature and also the arrangement of the tour pin 15.
  • the two-part design namely the change lever 16 and the change pressure piece 17, is arranged via which the case 5 can also be retracted by key actuation of the locking cylinder (not shown) inserted into the insertion opening 11.
  • the change lever 16 is pivotally mounted on an axle pin 18 located near the trigger nut 3.
  • the free end 16 'of the change lever 16 engages an existing on the catch 5 driver projection 5', while the change lever 16 is articulated at its other end via the hinge pin 19 with the alternating pressure piece 17.
  • a locking opening 23 is provided on the locking lever 21, specifically in its angled portion 21 ', which interacts with the locking nose 17' on the alternating pressure piece 17, which runs obliquely downwards in a manner to be explained in more detail below.
  • the latch 5 can only be drawn in by the handle nut arm 4 until the arm 4 comes to rest against the stop 24 present on the lock case 1.
  • the catch 5 can be pulled in even further by the alternating pressure piece 17 to be lifted via the appropriate cylinder key and the change lever 16 to be pivoted thereby, namely by the overtravel dimension 25.
  • the locking lever 21 can be pivoted inward by pressure actuation of its finger actuating bolt 28 protruding through the passage opening 26 in the lock face 27, the locking opening 23 of the locking lever 21 engaging over the locking lug 17 'of the alternating pressure piece 17.
  • the latch 5 can be pulled in by a key-operated lifting of the change pressure piece 30 by an overtravel dimension than by the latch driver arm 4 seated on the follower nut 3.
  • this is due to the fact that an arcuate stop recess is located on the catch arm 32 'of the two-armed change lever 32 32 IV is provided, which interacts with the stop bolt 34 provided on the lock case, in the sense that the drive arm 32 'on the change lever 32' can be pivoted correspondingly further clockwise than the latch driver arm 4 on the follower 3.
  • a locking lever 21 which is pivotably mounted on the axle bolt 20 located below the latch 5 and is provided with a finger actuation button 28.
  • this can be brought into positive locking engagement in accordance with FIG. with a sufficiently far raised pressure piece 30 or retracted case 5.
  • This positive locking engagement is essentially brought about by the fact that a graduated locking bend 30 'is present at the top of the change pressure piece 30, behind whose graduation shoulder 30' 'in the position of the change pressure piece 30 raised by key actuation Locking lever 21 with a locking edge 21 '' on it is to be pivoted in, this locking edge 21 '' engaging behind the shoulder 30 '' of the alternating pressure piece 30, at least when the alternating pressure piece 30 is raised and the locking lever 21 by finger actuation according to FIG its pressure bolt 28 have been pivoted accordingly.
  • the locking lever to be brought into locking engagement with the exchangeable 40 pressure piece 17 or 30 21 can also be actuated in a different way than by the finger actuation bolt 28 attached to it, for example by a slide mounted in the lock faceplate or also by a rotary adjustment member mounted in the lock faceplate, in particular provided with an actuation slot.
  • the locking lever 21 can also be actuated via a profiled opening in the lock face plate 27 and a correspondingly profiled actuation key to be inserted therein.
  • the mortise lock can also be actuated simply by means of a tumbler key, that is to say by means of keys which are provided with a corresponding notch in the otherwise profiled key bit.

Abstract

Mortise lock with a catch bolt (5) which can be retracted as a result of either pusher key actuation via a change mechanism, and a fixing element which is accessible and actuable from the lock face plate and which makes it possible to detain the catch bolt (5) in the retracted state counter to the effect of a catch-bolt spring (6) engaging on it. To provide a mortise lock with catch-bolt fixing of the generic type mentioned in the introduction, which does not have the aforesaid disadvantages, but on the contrary allows the catch bolt (5) to be fixed only by the authorised keyholder, but for which no additional lock cylinder to be arranged, for example, in the lock face plate is to be used, but instead the key insertion orifice present in any case in the mortise lock, usually in its built-in lock cylinder, is to be used for this purpose, it is so designed that the catch bolt (5) can be retracted by the key-actuable change mechanism (16, 17) by an excess amount further than as a result of its actuation by the pusher, and in the corresponding range of excess movement of the catch bolt (5) and of the change mechanism (17) the fixing element (21) is to be brought into detaining engagement with the latter. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Einsteckschloß mit einer wahlweise durch Drücker- und Schlüsselbetätigung über einen Wechsel hereinziehbaren Falle sowie einen schloßstulpseitig zugänglichen und betätigbaren Feststellement, das die Falle im hereingezogenen Zustand entgegen der Wirkung einer an ihr angreifenden Fallenfeder zu arretieren erlaubt.The invention relates to a mortise lock with an optionally retractable by handle and key actuation via a change latch and a lock cuff accessible and actuable locking element that allows the latch to be locked against the action of a latch spring attacking it in the retracted state.

Einsteckschlösser mit Fallen-Feststellung obiger Art sind durch den BKS-Prospekt 820, Seite 904 bekannt. Sie werden besonders in Haustüren oder Wohnungseingangstüren eingebaut, die in der Regel nur auf der Innenseite mit einem Drücker ausgestattet sind, während auf der Außenseite ein feststehender Knauf installiert ist. Zum Öffnen solcher Türen von außen muß dann also stets ein Schlüssel benutzt werden, um die Schloßfalle über den Wechsel hereinzuziehen und so die Tür zu öffnen. Zu besonderen Zeiten, etwa bei einem Wohnungswechsel, möchte man jedoch die Tür öffnen können, ohne jedesmal von außen den Schlüssel benutzen zu müssen. Für derartige Fälle ist die Fallenfeststellung im Schloß bestimmt. Bei dem bekannten gattungsgemäßen Einsteckschloß wird zur Fallenfeststellung die Schloßfalle hereingedrückt und sodann ein im Schloßstulp angeordneter Schieber verschoben, wodurch die Falle im hereingedrückten Zustand arretiert wird. Durch abermaliges Betätigen dieses Schiebers jedoch in entgegengesetzter Richtung kann die Schloßfalle wieder gelöst werden. Da der stulpseitige Schieber bei offenstehender Tür jedermann zugänglich ist, können also auch unbefugte Personen die Falle im hereingedrückten Zustand feststellen. Das würde besonders bei Haustüren, die mit einem Türschließer ausgestattet sind, noch nicht einmal besonders auffallen, da der Türschließer die Tür stets in Schließlage hält. Eine derart von Unbefugten manipulierte Tür könnte dann ohne Schlüssel von außen geöffnet werden.Mortise locks with latch locking of the above type are known from the BKS brochure 820, page 904. They are particularly installed in front doors or apartment entrance doors, which are usually only equipped with a handle on the inside, while a fixed knob is installed on the outside. To open such doors from the outside, a key must always be used to pull the lock latch over the change and thus open the door. At special times, for example when moving house, you want to be able to open the door without having to use the key from the outside every time. In such cases, the trap detection in the castle is intended. In the known generic mortise lock, the lock latch is pushed in for latch detection and then a slide arranged in the lock faceplate is displaced, as a result of which the latch is pushed in State is locked. The lock latch can be released again by actuating this slide in the opposite direction. Since the cuff-side slide is accessible to everyone when the door is open, even unauthorized persons can find the latch when it is pushed in. This would not even be particularly noticeable with front doors that are equipped with a door closer, since the door closer always keeps the door in the closed position. A door manipulated in this way by unauthorized persons could then be opened from the outside without a key.

Durch die DE-A1-37 29 652 ist es bei einem Riegel-Fallen-Einsteckschloß bekannt, die Schloßfalle wie auch den Schloßriegel in ihrem ausgefahrenen Zustand blockieren zu können. Eine Einrichtung zum Arretieren der Schloßfalle in ihrem hereingezogenen Zustand ist dabei nicht vorhanden.From DE-A1-37 29 652 it is known in a deadbolt mortise lock to be able to block the deadbolt as well as the deadbolt in its extended state. A device for locking the lock latch in its retracted state is not available.

Der Erfindung liegt die Aufgabe zugrunde, ein Einsteckschloß mit Fallenfeststellung der eingangs genannten Gattung zu schaffen, das die dazu oben erwähnten Nachteile nicht aufweist, vielmehr das Feststellen der Schloßfalle im hereingezogenen Zustand nur durch den befugten Schlüsselinhaber ermöglicht, wozu jedoch kein zusätzlicher etwa im Schloßstulp anzuordnender Schließzylinder verwendet werden soll, sondern dazu die ohnehin im Einsteckschloß, zumeist in dessen eingebautem Schließzylinder vorhandene Schlüsseleinstecköffnung benutzt werden soll.The invention has for its object to provide a mortise lock with lock detection of the type mentioned, which does not have the disadvantages mentioned above, rather the lock latch in the retracted state only possible by the authorized key holder, but no additional such as to be arranged in the lock faceplate Lock cylinder is to be used, but to do this the key insertion opening already present in the mortise lock, usually in its built-in lock cylinder.

Diese Aufgabe wird bei einem gattungsgemäßen Einsteckschloß erfindungsgemäß dadurch gelöst, daß die Falle durch den schlüsselbetätigbaren Wechsel um ein Überhubmaß weiter als durch ihre Drückerbetätigung hereinziehbar ist und das Feststellelement im entsprechenden Überhub-Bewegungsbereich der Falle und des Wechsels mit letzterem in Arretiereingriff zu bringen ist. Um also bei einem solchen Einsteckschloß die Falle arretieren zu können, muß zuvor in jedem Falle der Wechsel durch Schlüsselbetätigung soweit verstellt bzw. angehoben werden, daß dann durch das stulpseitig betätigbare Feststellelement dessen Arretiereingriff mit dem Wechsel erfolgt. Dabei muß sichergestellt sein, daß die Falle durch Drückerbetätigung nicht etwa ebenso weit wie durch die Schlüsselbetätigung des Wechsels eingezogen werden kann, da sonst der Wechsel auch durch bloßes, entsprechend weites Eindrücken der Falle in Arretiereingriff mit dem Feststellelement gebracht werden könnte.This object is achieved according to the invention in a generic mortise lock in that the latch can be pulled in by an overstroke dimension by the key-actuated change more than by its lever actuation and the locking element in the corresponding overstroke movement range of the latch and the change can be brought into locking engagement with the latter. So in order to be able to lock the latch in such a mortise lock, the change must first be adjusted or raised by key actuation to such an extent that it can then be actuated by the locking element which can be actuated on the cuff its locking engagement occurs with the change. It must be ensured that the latch cannot be pulled in as much as by key actuation of the change, because otherwise the change could also be brought into locking engagement with the locking element simply by pressing the latch sufficiently.

Der Arretiereingriff zwischen dem Feststellelement und dem Wechsel kann kraftschlüssig ausgebildet sein, wobei dieser Arretiereingriff durch den über die Falle auf den Wechsel vermittelten Druck der Fallenfeder aufrechterhalten oder durch weiteres Hereindrücken der Falle aufgehoben werden kann. In diesem Falle kann also die Fallenfeststellung von jedermann, also auch von Unbefugten noch gelöst werden.The locking engagement between the locking element and the change can be designed to be non-positive, whereby this locking engagement can be maintained by the pressure of the latch spring imparted on the latch by the latch or can be released by further pushing the latch. In this case, the trap detection can still be solved by anyone, including unauthorized persons.

Um jedoch auch das Lösen der festgestellten Falle nur durch befugte Schlüsselbenutzung zu ermöglichen, kann der Arretiereingriff zwischen dem Feststellelement und dem Wechsel auch formschlüssig ausgebildet sein, wobei dann dieser Formschluß nur durch schlüsselbetätigbares Verschieben des Wechsels aufgehoben werden kann.However, in order to make it possible to release the trap only by authorized use of the key, the locking engagement between the locking element and the change can also be designed in a positive manner, in which case this positive engagement can only be canceled by moving the change by key.

Das Feststellelement steht vorteilhaft unter Wirkung einer es in seine Lösestellung zu drücken suchenden Rückstellfeder. Es ist insbesondere als Feststellhebel ausgebildet, der um einen nahe unterhalb der Falle gelegenen Achsbolzen schwenkbeweglich gelagert ist, wobei die an ihm angreifende Rückstellfeder als um den Achsbolzen gewundene Schenkelfeder ausgebildet ist.The locking element is advantageously under the action of a return spring that tries to press it into its release position. It is designed in particular as a locking lever which is pivotably mounted about an axle bolt located close below the trap, the restoring spring acting on it being designed as a leg spring wound around the axle bolt.

Für den kraftschlüssigen Arretiereingriff zwischen Feststellhebel und Wechsel kann letzterer vorteilhaft aus einem an der Falle angreifenden, um einen in der Nähe der Drückernuß gelegenen Achsbolzen zu verschwenkenden Wechselhebel und einem damit gelenkig verbundenen, durch Schlüsselbetätigung anhebbaren Wechseldruckstück bestehen, das in der Nähe seines Verbindungsgelenks zum Wechselhebel mit einer schräg nach unten verlaufenden Arretiernase versehen ist, über die in der durch Schlüsselbetätigung angehobenen Stellung des Wechseldruckstücks der Feststellhebel mit einer an ihm vorhandenen Arretieröffnung zu schwenken ist, wobei der durch die Fallenfeder bewirkte Auflagedruck der Arretiernase auf der unteren Arretieröffnungskante im Feststellhebel größer als dessen von seiner Schenkelfeder hervorgerufene Abstreifkraft ist. Zum Lösen der festgestellten Falle ist es hier also lediglich notwendig, die Falle noch etwas weiter einzudrücken, so daß der Wechsel von der Fallenfederkraft entlastet wird und somit der Feststellhebel unter Wirkung der an ihm angreifenden Schenkelfeder in die Lösestellung verschwenkt wird.For the non-positive locking engagement between the locking lever and the change, the latter can advantageously consist of a change lever that engages the latch to pivot about an axle bolt located near the follower, and an alternately connected pressure piece that can be raised by key actuation and that is in the vicinity of its connecting joint to the change lever with an obliquely downward Locking lug is provided, over which, in the position of the alternating pressure piece raised by key actuation, the locking lever is to be pivoted with a locking opening provided on it, the contact pressure caused by the latch spring on the lower edge of the locking opening in the locking lever being greater than its stripping force caused by its leg spring . To release the latch, it is only necessary here to push the latch a little further so that the change is relieved of the latch spring force and thus the locking lever is pivoted into the release position under the action of the leg spring acting on it.

Auch für den Fall des formschlüssigen Arretiereingriffs zwischen Feststellhebel und Wechsel empfiehlt sich dessen zweiteilige Ausbildung, wobei der Wechsel jedoch aus einem an der Falle angreifenden, in der Drückernuß neben deren Fallenmitnehmerarm drehbeweglich gelagerten zweiarmigen Wechselhebel und einem mit dessen nicht an der Falle angreifendem Arm gelenkig verbundenen, durch Schlüsselbetätigung anhebbaren Wechseldruckstück besteht, an dessen Anlenkende eine abgestufte Arretierungsabwinkelung vorhanden ist, hinter deren Abstufungsschulter in der durch Schlüsselbetätigung angehobenen Stellung des Wechseldruckstücks der Feststellhebel mit einer an ihm vorhandenen Arretierkante einzuschwenken ist.Also in the case of positive locking engagement between the locking lever and change, its two-part design is recommended, but the change, however, consists of one that engages the latch, in the follower nut next to it Trap driver arm rotatably mounted two-armed change lever and an alternating pressure piece which is articulated to the arm not engaging the latch and which can be raised by key actuation, at the articulated end of which there is a graduated locking bend, behind the graduation shoulder of which in the position of the alternating pressure piece raised by key actuation, the locking lever with it swivel in the existing locking edge.

In der Zeichnung sind zwei vorteilhafte Ausführungsbeispiele erfindungsgemäß ausgebildeter Einsteckschlösser mit Fallenfeststellung dargestellt. Dabei zeigt

Fig.1
die Innenansicht eines insbesondere für Holztüren mit größerem Dornmaß bestimmten Einsteckschlosses bei gelöster Falle und
Fig.2
eine der Fig.1 entsprechende Teilansicht des Einsteckschlosses, jedoch bei kraftschlüssig festgestellter Falle,
Fig.3
die Innenansicht eines insbesondere für Rohrrahmentüren mit kleinerem Dornmaß bestimmtem Einsteckschlosses bei gelöster Falle und
Fig.4
eine der Fig.3 entsprechende Teilansicht jedoch bei formschlüssig arretierter Falle.
The drawing shows two advantageous exemplary embodiments of mortise locks designed according to the invention with latch locking. It shows
Fig. 1
the inside view of a mortise lock, in particular for wooden doors with a larger backset, when the latch is released and
Fig. 2
1 a partial view of the mortise lock corresponding to FIG. 1, but with a non-positively locked case,
Fig. 3
the inside view of a mortise lock, in particular for tubular frame doors with a small backset, when the latch is released and
Fig. 4
a partial view corresponding to Figure 3, however, with a positively locked case.

Das in den Fig.1 und 2 dargestellte Einsteckschloß, dessen Schloßkasten 1 durch die größtenteils entfernte Schloßdecke 2 freigelegt ist, besitzt eine durch die Drükkernuß 3 und deren Fallenmitnehmerarm 4 hereinziehbare Falle 5, die unter Wirkung der an ihr angreifenden und sie in die in Fig.1 dargestellte Ausfahrstellung zu drücken suchenden Fallenfeder 6 steht. An dem kurzen Arm 3' der Drückernuß 3 greift über das Kettenfederstück 7 die Drückerhochhaltefeder 8 an. Mit 9 ist die Fallenführung im Schloßkasten bezeichnet.The mortise lock shown in FIGS. 1 and 2, the lock case 1 of which is exposed through the largely removed lock cover 2, has a trap 5 which can be pulled in through the press nut 3 and its latch driver arm 4, which, under the action of the attacking it and moving it into the position shown in FIG .1 shown extended position to press looking trap spring 6 stands. On the short arm 3 'of the follower nut 3, the lever retaining spring 8 engages via the chain spring piece 7. With 9 the latch guide in the lock case is designated.

Weiterhin gehört zum Schloßeingerichte der Riegel 10, der durch den Schließdaumen eines in die im Schloßkasten 1 und in der Schloßdecke 2 gegenüberliegend angeordneten Ein stecköffnungen 11 eingebauten und beispielsweise durch eine in der die Schraubenführung 12 sitzende, nicht dargestellte Schraube gehaltenen Profilschließzylinders mehrtourig einund ausgefahren werden kann. Die mit dem Riegel 10 zusammenwirkenden Zuhaltungen 13 und 14 sind von bekannter Beschaffenheit und ebenso auch die Anordnung des Tourstifts 15.Furthermore, the lock 10 includes the bolt 10 which, through the closing thumb, is arranged in the opposite one in the lock case 1 and in the lock cover 2 plug openings 11 built in and can be extended and retracted in several revolutions, for example by a profile locking cylinder held in the screw guide 12, not shown. The tumblers 13 and 14 cooperating with the bolt 10 are of a known nature and also the arrangement of the tour pin 15.

Zwischen dem Riegel 10 und der Falle 5 ist der hier zweiteilig ausgebildete, nämlich aus dem Wechselhebel 16 und dem Wechseldruckstück 17 bestehende Wechsel angeordnet, über den die Falle 5 auch durch Schlüsselbetätigung des in die Einstecköffnung 11 eingesteckten nicht dargestellten Schließzylinders einziehbar ist. Der Wechselhebel 16 ist auf einem nahe der Drückernuß 3 gelegenen Achsbolzen 18 schwenkbeweglich gelagert. Das freie Ende 16' des Wechselhebels 16 greift an einem an der Falle 5 vorhandenen Mitnehmervorsprung 5' an, während der Wechselhebel 16 an seinem anderen Ende über den Gelenkbolzen 19 mit dem Wechseldruckstück 17 gelenkig verbunden ist.Between the bolt 10 and the case 5, the two-part design, namely the change lever 16 and the change pressure piece 17, is arranged via which the case 5 can also be retracted by key actuation of the locking cylinder (not shown) inserted into the insertion opening 11. The change lever 16 is pivotally mounted on an axle pin 18 located near the trigger nut 3. The free end 16 'of the change lever 16 engages an existing on the catch 5 driver projection 5', while the change lever 16 is articulated at its other end via the hinge pin 19 with the alternating pressure piece 17.

Mit dem Wechseldruckstück 17 wirkt der um den Achsbolzen 20 schwenkbewegliche Feststellhebel 21 zusammen. Dieser steht unter Wirkung der um den Achsbolzen 20 gewundenen Schenkelfeder 22, deren einer Schenkel hinter die am Feststellhebel 21 vorhandene Abwinkelung 21' greift, während der andere Schenkel der Feder 22 sich am Achsbolzen 18 abstützt. Am Feststellhebel 21, und zwar in dessen Abwinkelung 21', ist eine Arretieröffnung 23 vorgesehen, die mit der am Wechseldruckstück 17 vorhandenen, schräg nach unten verlaufenden Arretiernase 17' in weiter unten noch näher zu erläuternder Weise zusammenwirkt.The locking lever 21, which is pivotable about the axis pin 20, interacts with the alternating pressure piece 17. This is under the action of the leg spring 22 wound around the axle pin 20, one leg of which engages behind the angled portion 21 'provided on the locking lever 21, while the other leg of the spring 22 is supported on the axle pin 18. A locking opening 23 is provided on the locking lever 21, specifically in its angled portion 21 ', which interacts with the locking nose 17' on the alternating pressure piece 17, which runs obliquely downwards in a manner to be explained in more detail below.

Durch den Drückernußarm 4 kann die Falle 5 nur soweit eingezogen werden, bis der Arm 4 an dem am Schloßkasten 1 vorhandenen Anschlag 24 zur Anlage kommt. Dagegen kann die Falle 5 durch das über den passenden Zylinderschlüssel anzuhebende Wechseldruckstück 17 und den dadurch zu verschwenkenden Wechselhebel 16 noch weiter, nämlich um das Überhubmaß 25 hereingezogen werden. In dieser in Fig.2 dargestellten Position, also im Überhub-Bewegungsbereich der Falle 5 und des Fallenwechsels kann der Feststellhebel 21 durch Druckbetätigung seines durch die Durchtrittsöffnung 26 im Schloßstulp 27 hindurchragenden Fingerbetätigungsbolzens 28 nach innen verschwenkt werden, wobei die Arretieröffnung 23 des Feststellhebels 21 über die Arretiernase 17' des Wechseldruckstücks 17 greift. Hierdurch kommt ein kraftschlüssiger Arretiereingriff zwischen Feststellhebel 21 und Wechseldruckstück 17 zustande, da letzteres unter Wirkung der über die Falle 5 auf den Wechselhebel 16 drückenden Fallenfeder 6 mit seiner schräg abwärts gerichteten Arretiernase 17' auf die Unterkante 23' der im Feststellhebel 21 vorhandenen Arretieröffnung 23 drückt. Dieser Auflagedruck ist größer als die von der Schenkelfeder 22 auf den Feststellhebel 21 ausgeübte Abstreifkraft. Soll dieser kraftschlüssige Arretiereingriff zwischen Feststellhebel 21 und Wechseldruckstück 17 aufgehoben werden, so braucht dazu lediglich die Falle 5 etwas weiter hereingedrückt zu werden, so daß der Wechselhebel 16 von der Kraft der Fallenfeder 6 entlastet wird, mithin der Feststellhebel 21 unter Wirkung seiner Schenkelfeder 22 in die in Fig.1 dargestellte Löseposition gelangen kann.The latch 5 can only be drawn in by the handle nut arm 4 until the arm 4 comes to rest against the stop 24 present on the lock case 1. In contrast, the catch 5 can be pulled in even further by the alternating pressure piece 17 to be lifted via the appropriate cylinder key and the change lever 16 to be pivoted thereby, namely by the overtravel dimension 25. In this position shown in FIG. 2, that is in the overstroke range of motion of the case 5 and changing the latch, the locking lever 21 can be pivoted inward by pressure actuation of its finger actuating bolt 28 protruding through the passage opening 26 in the lock face 27, the locking opening 23 of the locking lever 21 engaging over the locking lug 17 'of the alternating pressure piece 17. This results in a non-positive locking engagement between the locking lever 21 and the alternating pressure piece 17, since the latter presses on the lower edge 23 'of the locking opening 23 present in the locking lever 21 under the action of the latch spring 6, which presses on the changing lever 16 via the latch 5 . This contact pressure is greater than the stripping force exerted by the leg spring 22 on the locking lever 21. If this non-positive locking engagement between the locking lever 21 and the alternating pressure piece 17 is to be canceled, all that is required is for the latch 5 to be pushed in a little further, so that the changing lever 16 is relieved of the force of the latch spring 6, and consequently the locking lever 21 under the action of its leg spring 22 in the release position shown in Figure 1 can reach.

Bei dem in Fig.3 und 4 dargestellten, für Rohrrahmentüren bestimmten Einsteckschloß ist zwischen der Falle 5 und dem Riegel 10 wiederum ein zweiteilig ausgebildeter Wechsel vorhanden, der hier aus dem durch Schlüsselbetätigung anhebbaren Wechseldruckstück 30 und dem damit über den Gelenkbolzen 31 gelenkig verbundenen zweiarmigen Wechselhebel 32 besteht, der auf der Drückernuß 3 neben deren Fallenmitnehmerarm 4 drehbeweglich gelagert ist und mit seinem einen Arm 32' an der Falle 5 angreift, hingegen über seinen anderen Arm 32'' und den Gelenkbolzen 31 mit dem Wechseldruckstück 30 verbunden ist. 33 ist ein Rosettenloch für eine durchgehende Beschlagverschraubung. Eine solche Beschlagschraube durchsetzt den Durchbruch 32''' im Arm 32'' des Wechselhebels 32. Auch in diesem Falle kann die Falle 5 durch schlüsselbetätigbares Anheben des Wechseldruckstücks 30 um ein Überhubmaß weiter als durch den an der Drückernuß 3 sitzenden Fallenmitnehmerarm 4 hereingezogen werden. Das kommt nach Fig.4 dadurch zustande, daß hier am Fallenmitnehmerarm 32' des zweiarmigen Wechselhebels 32 eine bogenförmige Anschlagaussparung 32IV vorgesehen ist, die mit dem am Schloßkasten vorhandenen Anschlagbolzen 34 zusammenwirkt, und zwar in dem Sinne, daß der am Wechselhebel 32 vorhandene Mitnehmerarm 32' eben entsprechend weiter im Uhrzeigersinn verschwenkt werden kann als der an der Drückernuß 3 vorhandene Fallenmitnehmerarm 4.In the mortise lock shown in FIGS. 3 and 4, which is intended for tubular frame doors, there is again a two-part change between the latch 5 and the bolt 10, which here consists of the alternating pressure piece 30 that can be raised by key actuation and the two-armed change lever that is articulated via the hinge pin 31 32 exists, which is rotatably mounted on the follower 3 next to its latch driver arm 4 and engages the latch 5 with its one arm 32 ', but is connected to the alternating pressure piece 30 via its other arm 32''and the hinge pin 31. 33 is a rosette hole for a continuous fitting screw connection. Such a fitting screw penetrates the opening 32 ″ ″ in the arm 32 ″ of the change lever 32. In this case too, the latch 5 can be pulled in by a key-operated lifting of the change pressure piece 30 by an overtravel dimension than by the latch driver arm 4 seated on the follower nut 3. According to FIG. 4, this is due to the fact that an arcuate stop recess is located on the catch arm 32 'of the two-armed change lever 32 32 IV is provided, which interacts with the stop bolt 34 provided on the lock case, in the sense that the drive arm 32 'on the change lever 32' can be pivoted correspondingly further clockwise than the latch driver arm 4 on the follower 3.

Es ist weiterhin auch hier ein auf dem nahe unterhalb der Falle 5 gelegenen Achsbolzen 20 schwenkbeweglich lagernder, mit einem Fingerbetätigungsknopf 28 versehener Feststellhebel 21 vorhanden. Dieser kann aber anders als der in den Fig.1 und 2 dargestellte Feststellhebel mit dem Wechseldruckstück 30 in formschlüssigen Arretiereingriff entsprechend Fig.4 gebracht werden, d.h. bei genügend weit angehobenem Wechseldruckstück 30 bzw. zurückgefahrener Falle 5. Dieser formschlüssige Arretiereingriff wird im wesentlichen dadurch bewirkt, daß am Wechseldruckstück 30 oben eine abgestufte Arretierungsabwinkelung 30' vorhanden ist, hinter deren Abstufungsschulter 30'' in der durch Schlüsselbetätigung angehobenen Stellung des Wechseldruckstücks 30 der Feststellhebel 21 mit einer an ihm vorhandenen Arretierkante 21'' einzuschwenken ist, wobei diese Arretierkante 21'' hinter die Schulter 30'' des Wechseldruckstücks 30 greift, dies jedenfalls dann, wenn gemäß Fig.4 das Wechseldruckstück 30 angehoben und der Feststellhebel 21 durch Fingerbetätigung seines Druckbolzens 28 entsprechend verschwenkt worden sind.There is also a locking lever 21, which is pivotably mounted on the axle bolt 20 located below the latch 5 and is provided with a finger actuation button 28. However, in contrast to the locking lever shown in FIGS. 1 and 2, this can be brought into positive locking engagement in accordance with FIG. with a sufficiently far raised pressure piece 30 or retracted case 5. This positive locking engagement is essentially brought about by the fact that a graduated locking bend 30 'is present at the top of the change pressure piece 30, behind whose graduation shoulder 30' 'in the position of the change pressure piece 30 raised by key actuation Locking lever 21 with a locking edge 21 '' on it is to be pivoted in, this locking edge 21 '' engaging behind the shoulder 30 '' of the alternating pressure piece 30, at least when the alternating pressure piece 30 is raised and the locking lever 21 by finger actuation according to FIG its pressure bolt 28 have been pivoted accordingly.

Gelöst werden kann dieser formschlüssige Arretiereingriff zwischen Feststellhebel 21 und Wechseldruckstück 30 nur durch wiederum schlüsselbetatigbares zusätzliches Anheben des Wechseldruckstücks 30, dessen Anschlagschulter 30'' sich dabei von der Arretierkante 21'' des Feststellhebels 21 abhebt, so daß letzterer unter Wirkung seiner an ihm angreifenden Schenkelfeder 22 in seine in Fig.3 dargestellte Lösestellung gelangen kann, in der auch die Falle 5 unter Wirkung der Fallenfeder 6 wieder in ihre Ausfahrposition fährt.This form-fitting locking engagement between the locking lever 21 and the alternating pressure piece 30 can only be solved by in turn key-operated additional lifting of the alternating pressure piece 30, the stop shoulder 30 '' of which stands out from the locking edge 21 '' of the locking lever 21, so that the latter acts under the action of its leg spring 22 can reach its release position shown in FIG. 3, in which the latch 5 also moves back into its extended position under the action of the latch spring 6.

Im Rahmen der vorliegenden Erfindung sind mancherlei Abwandlungen möglich. So kann der jeweils mit dem Wechsel40 druckstück 17 bzw. 30 in Arretiereingriff zu bringende Feststellhebel 21 auch auf andere Weise als durch den an ihm angebrachten Fingerbetätigungsbolzen 28 betätigt werden, so beispielsweise durch einen im Schloßstulp gelagerten Schieber oder auch durch ein im Schloßstulp gelagertes, insbesondere mit einem Betätigungsschlitz versehenes Drehverstellorgan. Weiterhin ist es möglich, den Feststellhebel durch eine durch die Öffnung 26 im Schloßstulp 27 einfach hindurchzusteckende Auslösenadel oder ein ähnliches Hilfswerkzeug zu betätigen. Auch kann der Feststellhebel 21 über eine im Schloßstulp 27 vorhandene, profilierte Öffnung sowie einen darin einzusteckenden, entsprechend profilierten Betätigungsschlüssel betätigt werden. Schließlich kann das Einsteckschloß statt der vorbeschriebenen Schließzylinderbetätigung auch einfach durch Zuhaltungsschlüssel betätigt werden, also durch Schlüssel, die mit einer entsprechenden Kerbung im ansonsten profilierten Schlüsselbart versehen sind.Various modifications are possible within the scope of the present invention. Thus, the locking lever to be brought into locking engagement with the exchangeable 40 pressure piece 17 or 30 21 can also be actuated in a different way than by the finger actuation bolt 28 attached to it, for example by a slide mounted in the lock faceplate or also by a rotary adjustment member mounted in the lock faceplate, in particular provided with an actuation slot. Furthermore, it is possible to actuate the locking lever by means of a release needle or a similar auxiliary tool which can be simply pushed through the opening 26 in the lock faceplate 27. The locking lever 21 can also be actuated via a profiled opening in the lock face plate 27 and a correspondingly profiled actuation key to be inserted therein. Finally, instead of the lock cylinder actuation described above, the mortise lock can also be actuated simply by means of a tumbler key, that is to say by means of keys which are provided with a corresponding notch in the otherwise profiled key bit.

Claims (12)

  1. Mortise lock having a catch bolt (5), which can be retracted by way of a change piece optionally by virtue of actuating a sneck and a key, as well as a locking device (21) which is accessible and actuated on the lock faceplate side and the locking device (21) allows the catch bolt (5) to lock in the retracted position against the influence of a catch bolt spring (6) engaging the catch bolt (5), characterised in that by virtue of key-actuated change piece (16, 17, 30, 32) the catch bolt (5) can be retracted by one over-stroke measurement (25) further than by virtue of actuating its sneck and the locking device (21) and can be brought into locking engagement with the change piece (17,30) in the corresponding over-stroke range of movement of the catch bolt (5) and of the change piece (17,30).
  2. Mortise lock according to claim 1, characterised in that the locking engagement between the locking device (21) and the change piece (16,17) is produced in a positive manner and the locking engagement can be maintained by virtue of the pressure of the catch bolt spring (6) exerted by way of the catch bolt (5) on the change piece (16,17) or be released by virtue of pushing in the catch bolt (5) further.
  3. Mortise lock according to claim 1, characterised in that the locking engagement between the locking device (21) and the change piece (30,31) is produced in a form-locking manner and this form-locking engagement can be released only by displacing the change piece (30,32) by virtue of actuating the key.
  4. Mortise lock according to claims 1 to 3, characterised in that the locking device (21) is influenced by a return spring (22) attempting to push the locking device (21) into its released position.
  5. Mortise lock according to claim 4, characterised in that the locking device is formed as a locking lever (21) mounted so as to pivot about an axle pin (20) lying closely below the catch bolt (5) and the return spring engaging the locking lever (21) is formed as a leg spring (22) which is wound about the axle pin (20).
  6. Mortise lock according to claim 5, characterised in that a finger actuating pin (28) which protrudes through a through-going opening (26) in the lock faceplate is disposed on the locking lever (21).
  7. Mortise lock according to claim 5, characterised in that the change piece comprises a change lever (16) which engages the catch bolt (5) and the change lever (16) is to pivot about an axle pin (18) lying in the proximity of the sneck nut (3) and further comprises a change pressure piece (17) which is connected to the change lever (16) in an articulated manner and the change pressure piece (17) can be raised by virtue of actuating the key, the change pressure piece (17) being provided in the proximity of its connecting joint (19) to the change lever (16) with a diagonally downwards extending locking projection (17') by way of which the locking lever (21) having a locking opening (23) provided thereon can pivot with the change pressure piece (17) having been raised by virtue of actuating the key, wherein the bearing pressure of the locking projection (17') exerted by the catch bolt spring (6) on the lower locking opening edge (23') in the locking lever is greater than the dragging force produced by its leg spring (22).
  8. Mortise lock according to claim 5, characterised in that the change piece comprises a two-arm change lever (32), which engages the catch bolt (5), the change lever (32) being rotatably mounted in the sneck nut adjacent to its catch bolt entrainer arm (4), and furthermore a change pressure piece (30) which is connected in an articulated manner to the arm (32'') of the change lever (32) which does not engage the catch-bolt (5), it being possible to raise the change pressure piece (30) by virtue of actuating the key, wherein a stepped locking U-bend (30') is provided at the hinge end of the change pressure piece (30) and the locking lever (21) having a locking edge (21'') provided thereon can be pivoted behind the stepped shoulder (30'') of the stepped locking U-bend (30') with the change pressure piece (30) in the raised position by virtue of actuating the key.
  9. Mortise lock according to claim 5, characterised in that the locking lever (21) can be actuated by virtue of a bolt mounted in the lock faceplate (27).
  10. Mortise lock according to claim 5, characterised in that the locking lever (21) can be actuated by virtue of a rotating adjusting device mounted in the lock faceplate (27), the rotating adjusting device being especially provided with an actuating slit.
  11. Mortise lock according to claim 5, characterised in that the locking lever (21) can be actuated by virtue of a releasing pin which can be inserted through an opening (26) in the lock faceplate (27).
  12. Mortise lock according to claim 5, characterised in that the locking lever (21) can be actuated by way of a profiled opening provided in the lock faceplate (27) and by way of a correspondingly profiled actuating key which can be inserted into the profiled opening.
EP90110952A 1989-07-27 1990-06-09 Mortise lock with catch bolt fixing device Expired - Lifetime EP0410122B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90110952T ATE95875T1 (en) 1989-07-27 1990-06-09 MORTISE LOCK WITH LATCH DETECTION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8909119U 1989-07-27
DE8909119U DE8909119U1 (en) 1989-07-27 1989-07-27

Publications (2)

Publication Number Publication Date
EP0410122A1 EP0410122A1 (en) 1991-01-30
EP0410122B1 true EP0410122B1 (en) 1993-10-13

Family

ID=6841480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90110952A Expired - Lifetime EP0410122B1 (en) 1989-07-27 1990-06-09 Mortise lock with catch bolt fixing device

Country Status (3)

Country Link
EP (1) EP0410122B1 (en)
AT (1) ATE95875T1 (en)
DE (2) DE8909119U1 (en)

Cited By (2)

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DE202016001542U1 (en) 2016-03-10 2016-05-09 Kfv Karl Fliether Gmbh & Co. Kg locking device
DE202016001540U1 (en) 2016-03-10 2016-05-09 Kfv Karl Fliether Gmbh & Co. Kg lock

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IT1264737B1 (en) * 1993-11-08 1996-10-04 Nuova F E B Fabbrica Elettroap LOCK GROUP OPERATED BY AN ANTI-PANIC HANDLE.
DE4407244C1 (en) * 1994-03-04 1995-08-17 Fuss Fritz Gmbh & Co Self-locking lock
DE29704482U1 (en) * 1997-03-12 1998-07-16 Bks Gmbh Lock with latch, bolt and lock nut
DE19748444A1 (en) * 1997-11-03 1999-05-06 Winkhaus Fa August Door lock with latch lock
DE19822951B4 (en) * 1998-05-22 2008-04-17 Ceslocks Gmbh Lock with trap and auxiliary trap
AT406401B (en) * 1998-09-15 2000-05-25 Roto Frank Eisenwaren LOCK, IN PARTICULAR MULTI-LOCK LOCK
US7497486B1 (en) 2004-09-16 2009-03-03 Stanley Security Solutions, Inc. Multifunction mortise lock
DE102007044324B3 (en) * 2007-09-14 2009-04-09 Schulte-Schlagbaum Ag Door lock i.e. DIN lock, for attachment to door leaf, has fixing element with actuating section at cuff and locking section engaged at latch, where locking section is engaged at latch retractions projections
DE102008016701B4 (en) † 2008-03-31 2013-01-03 Dorma Gmbh + Co. Kg Lock with a selector element
GB2466962A (en) * 2009-01-15 2010-07-21 Securistyle Ltd A locking mechanism with various control arrangements
DE202012005382U1 (en) 2012-06-01 2012-11-09 Wilh. Schlechtendahl & Söhne GmbH & Co. KG Device for secure fall detection
DE202012104831U1 (en) * 2012-12-12 2014-03-13 Maco Technologie Gmbh Lock for a door or a window

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CH65082A (en) * 1913-09-13 1914-05-16 Hermann Stern Lock with a shooting trap for doors
DE691398C (en) * 1937-06-23 1940-05-25 Johann Romahn Latch lock
FR1489150A (en) * 1966-06-07 1967-07-21 Sofranq Soc Improvements to locks intended to equip landing doors in particular
DE8405968U1 (en) * 1984-02-27 1985-06-20 Gebr. Sedlmayr GmbH & Co, 2084 Rellingen Door lock
DE3729652A1 (en) * 1987-09-04 1989-03-16 Theodor Krachten Inner automatic lock-latch and bolt detent

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016001542U1 (en) 2016-03-10 2016-05-09 Kfv Karl Fliether Gmbh & Co. Kg locking device
DE202016001540U1 (en) 2016-03-10 2016-05-09 Kfv Karl Fliether Gmbh & Co. Kg lock
EP3216952A1 (en) 2016-03-10 2017-09-13 KFV Karl Fliether GmbH & Co. KG Locking device
WO2017153125A1 (en) 2016-03-10 2017-09-14 Kfv Karl Fliether Gmbh & Co. Kg Lock

Also Published As

Publication number Publication date
DE8909119U1 (en) 1989-09-28
DE59003066D1 (en) 1993-11-18
EP0410122A1 (en) 1991-01-30
ATE95875T1 (en) 1993-10-15

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