EP2136019B1 - Sub-assembly for blocking or releasing a door lock - Google Patents

Sub-assembly for blocking or releasing a door lock Download PDF

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Publication number
EP2136019B1
EP2136019B1 EP09007947.6A EP09007947A EP2136019B1 EP 2136019 B1 EP2136019 B1 EP 2136019B1 EP 09007947 A EP09007947 A EP 09007947A EP 2136019 B1 EP2136019 B1 EP 2136019B1
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EP
European Patent Office
Prior art keywords
coupling
terminal portion
shaft
transfer
assembly unit
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.)
Active
Application number
EP09007947.6A
Other languages
German (de)
French (fr)
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EP2136019A2 (en
EP2136019A3 (en
Inventor
Augustin Toma
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.)
Assa Abloy Sicherheitstechnik GmbH
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Assa Abloy Sicherheitstechnik GmbH
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Publication of EP2136019A2 publication Critical patent/EP2136019A2/en
Publication of EP2136019A3 publication Critical patent/EP2136019A3/en
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Publication of EP2136019B1 publication Critical patent/EP2136019B1/en
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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
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
    • E05B47/068—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle axially, i.e. with an axially disengaging coupling element
    • 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
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0026—Clutches, couplings or braking arrangements
    • E05B2047/0031—Clutches, couplings or braking arrangements of the elastic type
    • 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
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets

Definitions

  • the invention relates to an assembly for a door lock, which is provided for locking or releasing the door lock.
  • Known assemblies for door locks which are provided for locking or releasing the door lock, are used in particular for the door locks of doors that require special monitoring, the door locks are for example designed such that they only after finding an access authorization, for example via a corresponding code is recognizable or can be found, allow an opening of the door.
  • a known assembly of this kind is for example from the EP 1 654 702 A2 known, there in the form of an actuator for a door lock.
  • a switchable coupling is arranged between two mandrel sections of a two-part mandrel, via which the actuating device can be switched into a state releasing the actuating device for actuating the door lock or into a state blocking the actuating device.
  • the invention is therefore based on the object, an assembly for a door lock, which is provided for locking or releasing the door lock, indicate which is inexpensive to produce compared to known solutions and has only a very low probability of failure.
  • the blocking or release by means of a coupling element which is provided for the provision of a rotationally fixed connection between a first end portion of a first mandrel portion and a second end portion of a second mandrel portion of a two-part mandrel.
  • the mandrel parts may be provided in a known manner for receiving an internal presser or an external presser.
  • the coupling element comprises a coupling piece and a guide piece, wherein the guide piece in a form-fitting manner in the direction of central longitudinal axis of the mandrel is at least partially guided in a recess of the first end portion, so that the coupling element between a first position and a second position is movable, wherein the coupling piece and the second end portion are arranged, in the first position, a positive connection between the coupling piece and the second end portion.
  • the coupling element is further held by a first spring element in the first position, which is preferably in the form of a helical spring, wherein also a transfer element is provided, which is movably guided between a coupling position and a basic position, wherein the coupling element in the second position is movable by pressing the transfer element against the coupling piece when moving the transfer element from the coupling position to the home position.
  • a first spring element in the first position which is preferably in the form of a helical spring
  • a transfer element is provided, which is movably guided between a coupling position and a basic position, wherein the coupling element in the second position is movable by pressing the transfer element against the coupling piece when moving the transfer element from the coupling position to the home position.
  • a second spring element which is preferably designed in the form of a helical spring, is inventively provided to hold the transfer element in the coupling position.
  • the transfer element can be moved from the coupling position to the basic position and vice versa to set the locked or released state.
  • the transfer element and the coupling piece are designed in such a way that the coupling element is movable from the transfer element to the second position by pressing the transfer element against the coupling piece when moving the transfer element from the coupling position to the basic position.
  • This embodiment according to the invention is preferably created or provided in that the coupling piece and the transfer element are designed in such a way that, when the transfer element is moved from the coupling position into the basic position, contact surfaces or contact surfaces are formed between or on the coupling piece and the transfer element.
  • the assembly further comprises a device for determining an access authorization, wherein the transfer device is in operative connection with the device for determining an access authorization in such a way that it moves the transfer element from the basic position to the coupling position in the case of an existing access authorization.
  • Necessary information for ascertaining the access authorization can be made available here, for example, via an input device of the device, such as, for example, a conventional ten-key keyboard, a chip card reader, a tag reader and / or a fingerprint reader.
  • the assembly further comprises a device for detecting a hazardous condition, wherein the transfer device is in operative connection with the device for determining a hazardous condition that they in the event of danger, the transfer element moved from the clutch position to the home position.
  • the device may be a fire alarm to which, for example, distributed smoke detectors are connected in the building. Once the fire detector detects a fire condition, the transfer element is moved from the coupling position to the home position to set a locked state, so that a fire protection or smoke protection function of the door is ensured in case of danger.
  • the positive connection between the coupling piece and the second end portion comprises a recess formed in the coupling piece and a form-fittingly received in this recess approach, which is formed on the second end portion.
  • the transfer device further comprises a leaf spring and an electric rotary drive with a shaft coupled to the rotary drive, wherein the rotary drive is arranged to rotate the shaft about its longitudinal axis, and wherein the shaft is at least partially provided with an external thread, wherein the leaf spring is an arcuate A biased portion having a curvature and two end portions, wherein a first of the two end portions is held stationary with respect to the first mandrel part and a second of the two end portions is coupled in a manner to the external thread of the shaft that a rotational movement of the shaft in a translational Movement of the second end portion is implemented, so that by turning the shaft, the curvature of the arcuate portion is changeable, and wherein a contact surface of the transfer element abuts a portion of the inner part of the arcuate portion, so that the guide ungselement by increasing the curvature of the arcuate portion against the direction of action of the holding force of the second spring element from the coupling position to the home position is movable
  • the second end section is preferably coupled to a nut screwed onto the external thread of the shaft.
  • a rotational movement of the shaft can be converted into a translatory movement of the second end section.
  • the inventively constructed transfer device allows in a practical and simple way a movement of the transfer element from the coupling position to the basic position and vice versa by energizing the electric rotary drive.
  • the shaft may also have a central portion with an external thread, and further two end portions, which adjoin the external thread, wherein the two end portions are formed thread-free.
  • the unthreaded sections serve in this case the provision according to the invention of a coupling operation in which the shaft can be rotated even further without the second end section of the leaf spring moving in translation. After reversing the direction of rotation, the second end section can catch again in the external thread or couple to it.
  • At least one distance detection device is provided, which is set up to detect the distance of at least one subarea of the arcuate section to a predetermined location in the vicinity of the subarea.
  • a solenoid may also be provided, which is preferably in the form of a bistable solenoid, wherein the second end portion may be coupled to a longitudinally movable member of the solenoid, such as the plunger of the solenoid.
  • FIG. 1 illustrated door lock 10
  • Fig. 2 without front cover 12 and without inner handle or outer handle 14 is shown, inter alia, a per se known end plate 16, wherein the assembly 18 according to the invention is arranged at the level of a central region of the end plate 16.
  • the 3 and 4 each show a sectional view of the in Fig. 2
  • the assembly 18 includes a two-piece mandrel 36 having a first mandrel portion 20 and a second mandrel portion 22, the first mandrel portion 20 having a first end portion 24 and the second mandrel portion 20 Mandrel 22 has a second end portion 26 which are spaced from each other.
  • a coupling element 28 is provided for providing a rotationally fixed connection between the first end portion 24 and the second end portion 26, wherein the coupling element 28 comprises a guide piece 30 and a coupling piece 32, and wherein the guide piece 30 positively in the direction of a central longitudinal axis 34 of the mandrel 36th in a recess 74 of the first end portion 24 is guided at least in sections, so that the coupling element 28 between a first position and a second position is axially movable and thereby rotatably connected to the first end portion.
  • the coupling piece 32 and the second end portion 26 are arranged at the end so arranged that in the first position, a positive centric connection between the coupling piece 32 and the second end portion 26 is provided (see. Fig. 3 ), and wherein the coupling member 28 in the second position of the second end portion 26 is axially spaced (see. Fig. 4 ).
  • a first spring element 38 in the form of a compressed coil spring serves to provide a holding force, which is intended to hold the coupling element 28 in the first position.
  • the spring element 38 may preferably be provided in the recess 74 with a damping grease in order to dampen in particular abrupt vibration excitations.
  • a transfer member 40 is disposed between a coupling position (see FIG. Fig. 3 ) and a basic position (cf. Fig. 4 ) guided, preferably, as in this embodiment, at least in sections in a recess 42 formed in a housing portion of the assembly or lock.
  • the transfer member 40 and the coupling piece 32 are further formed in a manner such that the coupling member 28 is movable from the transfer member 40 to the second position by pressing the transfer member 40 against the coupler 32 when moving the transfer member 40 from the coupling position to the home position.
  • a second spring element 44 in the form of a helical spring serves to provide a holding force, which is intended to hold the transfer element 40 in the coupling position.
  • Fig. 3 illustrated is the situation in which the coupling element 28 provides a positive rotational connection between the two rotatable, preferably housed in housing parts of the lock mandrel parts 20, 22, so that a transmission of torque from the first mandrel part 20 to the second mandrel part 22 and vice versa is possible in particular by operating the outer pusher 14 mounted on outer portions of the first mandrel member 20 and second mandrel member 22, respectively, facing the first and second end portions 24, 26 of the mandrel members 20, 22, respectively the provision of a released state.
  • the transfer element 40 is in the coupling position.
  • Fig. 4 the situation is shown in which the coupling element 28 is in the second position in which it is spaced from the second end portion 26, so that there is no positive rotational connection between the two mandrel parts 20, 22, accompanied with the provision of a locked state.
  • the transfer element 40 is in the basic position according to the invention.
  • the coupling piece 32 and the transfer member 40 are formed in such a manner that when moving the transfer member 40 from the coupling position to the home position beveled contact surfaces 46 between or on the coupling piece 32 and the transfer member 40 form, which are arranged relative to each other are that with the movement of the transfer element 40 from the coupling position to the basic position, a force component or pressure force component is accompanied, which - against the direction of action of the first spring element 38 - allows movement of the coupling element 28 from the first position to the second position can allow.
  • these contact surfaces 46 are formed in the form of wedge surfaces which form a wedge gear.
  • the transfer element 40 urges the coupling piece 32 out of engagement with the second mandrel part against the action of the first spring element 38. Furthermore, the guide piece 30 and the transfer element 40 are guided and movable in substantially rectilinearly arranged rectilinear directions.
  • positive connection between the coupling piece 32 and the second end portion 26 comprises a front in the coupling piece 32 formed recess 48 and a recess 48 of this form-fitting receivable approach 50 which is formed on the end face of the second end portion 26, and for coupling of the Well 48 is recorded.
  • the projection 50 has the shape of a regular pyramid or a regular truncated pyramid, for example, with a triangular, square or polygonal base.
  • the recess 48 is complementary thereto. In the coupling position lies surface to surface.
  • an overload protection which acts such that when an overpressure of the attached to the first and second mandrel member 20, 22, the inner handle or outer handle 14 due to excessive torque, a release of the coupling element 28 of the second End portion 26 against the direction of action of the first spring element 38 takes place.
  • Fig. 5 shows an enlarged view of the area of the castle the Fig. 2 having the inventive assembly 18, and Fig. 6 . 7 each show a sectional view of the in Fig. 5 shown area parallel to the longitudinal extent of the rear end plate 16th
  • a transfer device 52 which is designed to move the transfer element 40 from the coupling position to the basic position and vice versa.
  • the transfer device 52 comprises a leaf spring 54 and a rotary electric drive 56 with a rotary drive 56 coupled to the shaft 58, wherein the rotary drive 56 is arranged to rotate the shaft 58 in both directions about its longitudinal axis, and wherein the shaft 58 has a central portion has an external thread 60 or may be formed in the form of a cylindrical screw.
  • the rotary drive 56 is preferably constructed bidirectionally motor.
  • the leaf spring 54 has an arcuate biased portion 62 having a curvature and a first and second end portion 64, 64 ', wherein the first end portion 64 is held stationary with respect to the first mandrel portion 20 and the second end portion 64' is coupled in a manner to the external thread 60 of the shaft 58, that a rotational movement of the shaft 58 in a translational movement of the second end portion 64 'is implemented, so that by rotating the shaft 58, the curvature of the arcuate portion 62 is variable.
  • an opening may be formed in the second end portion 64 'of the leaf spring 54, the boundary between the outer diameter and the core diameter of the external thread 60 is arranged.
  • the second end portion 64 ' is coupled to the external thread 60 such that it is disposed in the unloaded state of the leaf spring 54 substantially in the center of the external thread 60.
  • the Fig. 8 further shows an enlarged view of a portion of a lock, which has a further embodiment of the assembly 18 according to the invention.
  • the second end section 64 ' is coupled to a nut 59 screwed onto the external thread 60 of the shaft 58.
  • the shaft 58 is in this case preferably in the form of a plastic screw with a trapezoidal profile, which is preferably attached to the rotary drive 56.
  • the nut 59 is preferably designed such that it runs with a thread on the plastic screw.
  • An end abutment surface 66 of the transfer member 40 abuts on a portion 68 of the inside of the arcuate portion 62, so that the transfer member 40 by increasing the curvature of the arcuate portion 62 against the direction of action of the holding force of the second spring member 44 from the coupling position to the home position is movable.
  • the transfer element moves radially with respect to the arcuate portion 62.
  • the transfer device 52 allows in a practical and simple manner a movement of the transfer element 40 from the clutch position to the home position and vice versa by energizing the electric rotary drive 56.
  • the second spring element 44 cooperates with.
  • the shaft 58 further has two unthreaded end portions 70 which abut the external thread 60.
  • the unthreaded end portions 70 serve in this case the provision of a coupling operation according to the invention, in which the shaft 58 can be rotated further without the second end portion 64 of the leaf spring 54 moving in a translatory manner. After reversal of direction, the second end portion 64 in the external thread 60 can catch or on again to dock this. Depending on the direction of rotation, there is an increase or decrease or decrease in the curvature of the arcuate portion 62.
  • the transfer device 52 is further provided with a merely in Fig. 5 schematically illustrated device for determining an access authorization 72 in a manner operatively connected to move the transfer element 40 from the basic position to the coupling position in the case of an existing access authorization.
  • electric connection poles 57 of the rotary drive 56 are optionally energized by the device 72.
  • Necessary information for ascertaining the access authorization can be provided here, for example, via an input device of the device 72, such as, for example, a conventional ten-key keyboard, a chip card reader, a tag reader and / or a fingerprinter reader (not shown in more detail).
  • Fig. 6 illustrated is the situation in which the transfer element 40 is in the coupling position.
  • Fig. 7 illustrated is the situation in which the transfer element 40 is in the home position.
  • outer handle or the inner handle 14 which are attached to outer portions of the first mandrel part 20 and the second mandrel part 22, according to the invention may further act a leg spring, not shown, so that the lock or the fitting can be used to DIN left and DIN right.

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  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft eine Baugruppe für ein Türschloss, die zum Sperren oder Freigeben des Türschlosses vorgesehen ist.The invention relates to an assembly for a door lock, which is provided for locking or releasing the door lock.

Bekannte Baugruppen für Türschlösser, die zum Sperren oder Freigeben der Türschlosses vorgesehen sind, werden insbesondere für die Türschlösser von Türen verwendet, die einer besonderen Überwachung bedürfen, wobei die Türschlösser beispielsweise derart ausgebildet sind, dass sie erst nach Feststellung einer Zugangsberechtigung, die z.B. über einen entsprechenden Code erkennbar ist bzw. festgestellt werden kann, eine Öffnung der Tür ermöglichen. Eine bekannte Baugruppe diese Art ist beispielsweise aus der EP 1 654 702 A2 bekannt, und zwar dort in Form einer Betätigungsvorrichtung für ein Türschloss. Bei dieser bekannten Betätigungsvorrichtung ist zwischen zwei Dornabschnitten eines zweiteiligen Dorns eine schaltbare Kupplung angeordnet, über welche die Betätigungsvorrichtung in einen die Betätigungsvorrichtung zur Betätigung des Türschlosses freigebenden Zustand bzw. in einen die Betätigungsvorrichtung sperrenden Zustand geschaltet werden kann. Diese bekannte schaltbare Kupplung ist jedoch sehr aufwendig gestaltet, einhergehend mit einem hohen Kostenaufwand für die Herstellung der Betätigungsvorrichtung und einer recht hohen Ausfallwahrscheinlichkeit. Aus der US 2005/0050928 A1 ist eine Baugruppe bekannt, die dem Oberbegriff des Anspruchs 1 der vorliegenden Anmeldung entspricht.Known assemblies for door locks, which are provided for locking or releasing the door lock, are used in particular for the door locks of doors that require special monitoring, the door locks are for example designed such that they only after finding an access authorization, for example via a corresponding code is recognizable or can be found, allow an opening of the door. A known assembly of this kind is for example from the EP 1 654 702 A2 known, there in the form of an actuator for a door lock. In this known actuating device, a switchable coupling is arranged between two mandrel sections of a two-part mandrel, via which the actuating device can be switched into a state releasing the actuating device for actuating the door lock or into a state blocking the actuating device. However, this known switchable coupling is designed very expensive, along with a high cost of manufacturing the actuator and a fairly high probability of failure. From the US 2005/0050928 A1 an assembly is known, which corresponds to the preamble of claim 1 of the present application.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Baugruppe für ein Türschloss, die zum Sperren oder Freigeben des Türschlosses vorgesehen ist, anzugeben, die gegenüber bekannten Lösungen kostengünstig herstellbar ist und eine nur sehr geringe Ausfallwahrscheinlichkeit aufweist.The invention is therefore based on the object, an assembly for a door lock, which is provided for locking or releasing the door lock, indicate which is inexpensive to produce compared to known solutions and has only a very low probability of failure.

Diese Aufgabe wird erfindungsgemäß mit einer Baugruppe gemäß Anspruch 1 gelöst. Konkret gelingt die Lösung bei einer Baugruppe für ein Türschloss, die zum Sperren oder Freigeben des Türschlosses vorgesehen ist, mit

  • einem zweiteiligen Dorn, umfassend ein erstes Dornteil und ein zweites Dornteil, wobei das erste Dornteil einen ersten Endabschnitt und das zweite Dornteil einen zweiten Endabschnitt aufweist, die voneinander beabstandet sind,
  • einem Kupplungselement, das für die Bereitstellung einer drehfesten Verbindung zwischen dem ersten Endabschnitt und dem zweiten Endabschnitt vorgesehen ist, wobei das Kupplungselement ein Führungsstück und ein Kupplungsstück umfasst, und wobei das Führungsstück formschlüssig in Richtung einer zentralen Längsachse des Dorns in einer Vertiefung des ersten Endabschnitts wenigstens abschnittsweise geführt ist, so dass das Kupplungselement zwischen einer ersten Position und einer zweiten Position bewegbar ist, wobei das Kupplungsstück und der zweite Endabschnitt eingerichtet sind, in der ersten Position eine formschlüssige Verbindung zwischen dem Kupplungsstück und dem zweiten Endabschnitt bereitzustellen, und wobei das Kupplungselement in der zweiten Position von dem zweiten Endabschnitt beabstandet ist,
  • einem ersten Federelement zur Bereitstellung einer Haltekraft,
  • einem Ãœberführungselement, das zwischen einer Kupplungsposition und einer Grundposition bewegbar geführt ist,
  • einem zweiten Federelement zur Bereitstellung einer Haltekraft, die dafür vorgesehen ist, das Ãœberführungselement in der Kupplungsposition zu halten, und
  • einer Ãœberführungsvorrichtung, die dazu ausgebildet ist, das Ãœberführungselement von der Kupplungsposition in die Grundposition zu bewegen und umgekehrt,
durch die Merkmale, dass
  • die vom ersten Federelement (38) bereitgestellte Haltekraft dafür vorgesehen ist, das Kupplungselement (28) in der ersten Position zu halten,
  • wobei das Kupplungselement (28) in die zweite Position bewegbar ist durch Drücken des Ãœberführungselements (40) gegen das Kupplungsstück (32) beim Bewegen des Ãœberführungselements (40) von der Kupplungsposition in die Grundposition,
  • wobei die Ãœberführungsvorrichtung (52) eine Blattfeder (54) und einen elektrischen Drehantrieb (56) mit einer an den Drehantrieb (56) gekoppelten Welle (58) umfasst,
  • wobei der Drehantrieb (56) eingerichtet ist, die Welle (58) um ihre Längsachse zu drehen, und wobei die Welle (58) wenigstens abschnittsweise mit einem Außengewinde (60) versehen ist,
  • wobei die Blattfeder (54) einen bogenförmigen vorgespannten Abschnitt (62) mit einer Krümmung und zwei Endabschnitte (64) aufweist, wobei ein erster der beiden Endabschnitte (64) ortsfest in Bezug auf das erste Dornteil (20) gehalten ist und ein zweiter der beiden Endabschnitte (64) auf eine Weise an das Außengewinde (60) der Welle (58) gekoppelt ist, dass eine Drehbewegung der Welle (58) in eine translatorische Bewegung des zweiten Endabschnitts (64) umgesetzt wird, so dass durch Drehen der Welle (58) die Krümmung des bogenförmigen Abschnitts (62) veränderbar ist, und
  • wobei eine Anlagefläche (66) des Ãœberführungselements (40) an einem Teil-Abschnitt (68) der Innenseite des bogenförmigen Abschnitts (62) anliegt, so dass das Ãœberführungselement (40) durch Erhöhung der Krümmung des bogenförmigen Abschnitts (62) gegen die Wirkungsrichtung der Haltekraft des zweiten Federelements (44) von der Kupplungsposition in die Grundposition bewegbar ist.
This object is achieved with an assembly according to claim 1. Specifically, the solution succeeds in an assembly for a door lock, which is provided for locking or releasing the door lock, with
  • a two-part mandrel comprising a first mandrel part and a second mandrel part, wherein the first mandrel part has a first end portion and the second mandrel part has a second end portion which are spaced from each other,
  • a coupling member provided for providing a rotationally fixed connection between the first end portion and the second end portion, the coupling member comprising a guide piece and a coupling piece, and wherein the guide piece at least form-fitting in the direction of a central longitudinal axis of the mandrel in a recess of the first end portion is guided in sections, so that the coupling element between a first position and a second position is movable, wherein the coupling piece and the second end portion are adapted to provide a positive connection between the coupling piece and the second end portion in the first position, and wherein the coupling element in the second position is spaced from the second end portion,
  • a first spring element for providing a holding force,
  • a transfer element movably guided between a clutch position and a home position,
  • a second spring element for providing a holding force, which is intended to hold the transfer element in the coupling position, and
  • a transfer device adapted to move the transfer element from the clutch position to the home position, and vice versa,
through the features that
  • the holding force provided by the first spring element (38) is provided to hold the coupling element (28) in the first position,
  • wherein the coupling element (28) is movable to the second position by pressing the transfer element (40) against the coupling piece (32) as the transfer element (40) moves from the coupling position to the home position,
  • wherein the transfer device (52) comprises a leaf spring (54) and an electric rotary drive (56) with a shaft (58) coupled to the rotary drive (56),
  • wherein the rotary drive (56) is arranged to rotate the shaft (58) about its longitudinal axis, and wherein the shaft (58) is provided at least in sections with an external thread (60),
  • wherein the leaf spring (54) has an arcuate biased portion (62) having a curvature and two end portions (64), a first of the two end portions (64) being held stationary with respect to the first mandrel portion (20) and a second of the two End portions (64) in a manner to the external thread (60) of the shaft (58) is coupled, that a rotational movement of the shaft (58) in a translational movement of the second end portion (64) is converted, so that by rotating the shaft (58 ) the curvature of the arcuate portion (62) is variable, and
  • wherein an abutment surface (66) of the transfer member (40) abuts a portion (68) of the inside of the arcuate portion (62) such that the transfer member (40) increases the curvature of the arcuate portion (62) against the direction of action of the transfer member (40) Holding force of the second spring element (44) is movable from the coupling position to the home position.

Erfindungsgemäß erfolgt die Sperrung oder Freigabe mittels eines Kupplungselements, das für die Bereitstellung einer drehfesten Verbindung zwischen einem ersten Endabschnitt eines ersten Dornteils und einem zweiten Endabschnitt eines zweiten Dornteils eines zweiteilig ausgebildeten Dorns vorgesehen ist. Die Dornteile können in bekannter Weise für die Aufnahme eines Innendrückers bzw. eines Außendrückers vorgesehen sein. Erfindungsgemäß umfasst das Kupplungselement ein Kupplungsstück und ein Führungsstück, wobei das Führungsstück formschlüssig in Richtung einer zentralen Längsachse des Dorns in einer Vertiefung des ersten Endabschnitts wenigstens abschnittsweise geführt ist, so dass das Kupplungselement zwischen einer ersten Position und einer zweiten Position bewegbar ist, wobei das Kupplungsstück und der zweite Endabschnitt eingerichtet sind, in der ersten Position eine formschlüssige Verbindung zwischen dem Kupplungsstück und dem zweiten Endabschnitt bereitzustellen. Insgesamt gesehen wird auf diese Weise in Verbindung mit der bestehenden formschlüssigen Führung des Führungsstücks des Kupplungselements in der Vertiefung des ersten Endabschnitts eine drehfeste Verbindung zwischen den beiden Dornteilen, die vorzugsweise in Form eines Vierkants ausgebildet sein können, geschaffen bzw. bereitgestellt wird, einhergehend mit der Schaffung eines Zustands in dem ein Türschloss mit der erfindungsgemäßen Baugruppe freigegeben ist.According to the invention, the blocking or release by means of a coupling element, which is provided for the provision of a rotationally fixed connection between a first end portion of a first mandrel portion and a second end portion of a second mandrel portion of a two-part mandrel. The mandrel parts may be provided in a known manner for receiving an internal presser or an external presser. According to the invention the coupling element comprises a coupling piece and a guide piece, wherein the guide piece in a form-fitting manner in the direction of central longitudinal axis of the mandrel is at least partially guided in a recess of the first end portion, so that the coupling element between a first position and a second position is movable, wherein the coupling piece and the second end portion are arranged, in the first position, a positive connection between the coupling piece and the second end portion. Overall, in this way, in conjunction with the existing form-fitting guidance of the guide piece of the coupling element in the recess of the first end portion a rotationally fixed connection between the two mandrel parts, which may be preferably formed in the form of a square, created or provided, along with the Creation of a state in which a door lock is released with the assembly according to the invention.

Erfindungsgemäß wird das Kupplungselement ferner durch ein erstes Federelement in der ersten Position gehalten, das vorzugsweise in Form einer Schraubenfeder ausgebildet ist, wobei zudem auch ein Überführungselement vorgesehen ist, das zwischen einer Kupplungsposition und einer Grundposition bewegbar geführt ist, wobei das Kupplungselement in die zweite Position bewegbar ist durch Drücken des Überführungselements gegen das Kupplungsstück beim Bewegen des Überführungselements von der Kupplungsposition in die Grundposition. Mittels des erfindungsgemäßen Überführungselements kann das Kupplungselement entgegen der Wirkungsrichtung der Haltekraft des ersten Federelements in die zweite Position gedrückt werden indem das Überführungselement von der Kupplungsposition in die Grundposition bewegt wird. In der zweiten Position besteht keine Verbindung und auch kein Kontakt des Kupplungselements zu dem zweiten Endabschnitt, so dass in einem Zustand, bei dem sich das Überführungselement in der Grundposition befindet, keine Übertragung eines Drehmoments von einem Dornteil, welches beispielsweise durch Betätigung eines Außendrückers oder Innendrückers auf das Dornteil aufgebracht wird, auf das andere der beiden Dorteile möglich ist, einhergehend mit der Schaffung eines Zustands in dem ein Türschloss mit der erfindungsgemäßen Baugruppe gesperrt ist. Befindet sich das Überführungselement jedoch in der Kupplungsposition, liegt der oben beschriebene Zustand vor in dem ein Türschloss mit der erfindungsgemäßen Baugruppe freigegeben ist.According to the invention, the coupling element is further held by a first spring element in the first position, which is preferably in the form of a helical spring, wherein also a transfer element is provided, which is movably guided between a coupling position and a basic position, wherein the coupling element in the second position is movable by pressing the transfer element against the coupling piece when moving the transfer element from the coupling position to the home position. By means of the transfer element according to the invention, the coupling element can be pressed counter to the direction of action of the holding force of the first spring element in the second position by the transfer element is moved from the coupling position to the home position. In the second position, there is no connection and no contact of the coupling element to the second end portion, so that in a state in which the transfer element is in the home position, no transmission of torque from a mandrel part, which for example by pressing an external or internal presser is applied to the mandrel part on the other of the two Dorteile is possible, along with the creation of a state in which a door lock is locked with the assembly according to the invention. However, if the transfer element is in the coupling position, the state described above is present in which a door lock with the assembly according to the invention is released.

Ein zweites Federelement, das vorzugsweise in Form einer Schraubenfeder ausgebildet ist, ist erfindungsgemäß dafür vorgesehen, das Überführungselement in der Kupplungsposition zu halten. Mit einer erfindungsgemäßen Überführungsvorrichtung kann das Überführungselement von der Kupplungsposition in die Grundposition bewegt werden und umgekehrt, um den gesperrten bzw. freigegebenen Zustand einzustellen.A second spring element, which is preferably designed in the form of a helical spring, is inventively provided to hold the transfer element in the coupling position. With a transfer device according to the invention, the transfer element can be moved from the coupling position to the basic position and vice versa to set the locked or released state.

Erfindungsgemäß sind das Überführungselement und das Kupplungsstück auf eine Weise ausgebildet, dass das Kupplungselement von dem Überführungselement in die zweite Position bewegbar ist durch Drücken des Überführungselements gegen das Kupplungsstück beim Bewegen des Überführungselements von der Kupplungsposition in die Grundposition. Diese erfindungsgemäße Ausbildung wird vorzugsweise dadurch geschaffen bzw. bereitgestellt, dass das Kupplungsstück und das Überführungselement auf eine Weise ausgebildet sind, dass sich beim Bewegen des Überführungselements von der Kupplungsposition in die Grundposition Berührungsflächen bzw. Kontaktflächen zwischen bzw. am dem Kupplungsstück und dem Überführungselement ausbilden, die derart relativ zueinander angeordnet sind, dass mit der Bewegung des Überführungselements von der Kupplungsposition in die Grundposition eine Kraftkomponente bzw. Druckkraft-Komponente einhergeht, die - entgegen der Wirkungsrichtung des ersten Federelements - eine Bewegung des Kupplungselements von der ersten Position in die zweite Position ermöglicht bzw. ermöglichen kann.According to the invention, the transfer element and the coupling piece are designed in such a way that the coupling element is movable from the transfer element to the second position by pressing the transfer element against the coupling piece when moving the transfer element from the coupling position to the basic position. This embodiment according to the invention is preferably created or provided in that the coupling piece and the transfer element are designed in such a way that, when the transfer element is moved from the coupling position into the basic position, contact surfaces or contact surfaces are formed between or on the coupling piece and the transfer element. which are arranged relative to one another such that the movement of the transfer element from the coupling position to the basic position is accompanied by a force component or pressure force component which, contrary to the direction of action of the first spring element, permits movement of the coupling element from the first position to the second position or can allow.

Gemäß einer bevorzugten Ausführungsform weist die Baugruppe ferner ein Gerät zur Ermittlung einer Zugangsberechtigung auf, wobei die Überführungsvorrichtung auf eine Weise mit dem Gerät zur Ermittlung einer Zugangsberechtigung in Wirkverbindung steht, dass sie im Falle einer vorliegenden Zugangsberechtigung das Überführungselement von der Grundposition in die Kupplungsposition bewegt. Notwendige Informationen zur Ermittlung der Zugangsberechtigung können hierbei beispielsweise über eine Eingabevorrichtung des Geräts zur Verfügung gestellt werden, wie beispielsweise einer üblichen Zehner-Tastatur, einem Chip-Kartenleser, einem Tag-Leser und/oder einem Fingerprinterleser.According to a preferred embodiment, the assembly further comprises a device for determining an access authorization, wherein the transfer device is in operative connection with the device for determining an access authorization in such a way that it moves the transfer element from the basic position to the coupling position in the case of an existing access authorization. Necessary information for ascertaining the access authorization can be made available here, for example, via an input device of the device, such as, for example, a conventional ten-key keyboard, a chip card reader, a tag reader and / or a fingerprint reader.

Um insbesondere auch in Gefahrensituationen eine zuverlässige Funktionsweise bereitzustellen, weist die Baugruppe gemäß einer weiteren bevorzugten Ausführungsform ferner ein Gerät zur Ermittlung eines Gefahrenzustandes auf, wobei die Überführungsvorrichtung auf eine Weise mit dem Gerät zur Ermittlung eines Gefahrenzustandes in Wirkverbindung steht, dass sie im Gefahrenfall das Überführungselement von der Kupplungsposition in die Grundposition bewegt. Bei dem Gerät kann es sich um einen Brandmelder handeln, an den z.B. im Gebäude verteilt angebrachte Rauchmelder angeschlossen sind. Sobald der Brandmelder einen Brandzustand feststellt, wird das Überführungselement von der Kupplungsposition in die Grundposition bewegt um einen gesperrten Zustand einzustellen, so dass eine Brandschutz- bzw. Rauchschutzfunktion der Tür im Gefahrenfall gewährleistet ist.In order to provide a reliable operation especially in dangerous situations, the assembly according to a further preferred embodiment further comprises a device for detecting a hazardous condition, wherein the transfer device is in operative connection with the device for determining a hazardous condition that they in the event of danger, the transfer element moved from the clutch position to the home position. The device may be a fire alarm to which, for example, distributed smoke detectors are connected in the building. Once the fire detector detects a fire condition, the transfer element is moved from the coupling position to the home position to set a locked state, so that a fire protection or smoke protection function of the door is ensured in case of danger.

Bei einer besonders praktischen Ausführungsform umfasst die formschlüssige Verbindung zwischen dem Kupplungsstück und dem zweiten Endabschnitt eine in dem Kupplungsstück ausgebildete Vertiefung und einen in dieser Vertiefung formschlüssig aufgenommenen Ansatz, der an dem zweiten Endabschnitt ausgebildet ist. Durch die so erfindungsgemäß bereitgestellte lösbare Verbindung wird ein Überlastschutz geschaffen, der derart wirkt, dass bei einem Überdrücken des an dem ersten bzw. zweiten Dornteil angebrachten Innendrückers bzw. Außendrückers infolge eines zu großen Drehmoments ein Lösen des Kupplungselements von dem zweiten Endabschnitt entgegen der Wirkungsrichtung der ersten Federelements erfolgt. Eine durch Überdrücken des Innendrückers bzw. Außendrückers verursachte Überlastung, wie sie insbesondere im Falle von Vandalismus entstehen kann und die oft zu Beschädigungen führt, wird auf diese Weise erfindungsgemäß vermieden.In a particularly practical embodiment, the positive connection between the coupling piece and the second end portion comprises a recess formed in the coupling piece and a form-fittingly received in this recess approach, which is formed on the second end portion. The thus provided according to the invention releasable connection an overload protection is provided which acts such that when overpressure of the attached to the first and second mandrel part inside or outside pressure due to excessive torque release of the coupling element from the second end against the direction of action of first spring element takes place. An overload caused by overpressing the internal pusher or external pusher, as may occur in particular in the case of vandalism and which often leads to damage, is avoided in this way according to the invention.

Die Überführungsvorrichtung umfasst erfindungsgemäß weiterhin eine Blattfeder und einen elektrischen Drehantrieb mit einer an den Drehantrieb gekoppelten Welle, wobei der Drehantrieb eingerichtet ist, die Welle um ihre Längsachse zu drehen, und wobei die Welle wenigstens abschnittsweise mit einem Außengewinde versehen ist, wobei die Blattfeder einen bogenförmigen vorgespannten Abschnitt mit einer Krümmung und zwei Endabschnitte aufweist, wobei ein erster der beiden Endabschnitte ortsfest in Bezug auf das erste Dornteil gehalten ist und ein zweiter der beiden Endabschnitte auf eine Weise an das Außengewinde der Welle gekoppelt ist, dass eine Drehbewegung der Welle in eine translatorische Bewegung des zweiten Endabschnitts umgesetzt wird, so dass durch Drehen der Welle die Krümmung des bogenförmigen Abschnitts veränderbar ist, und wobei eine Anlagefläche des Überführungselements an einem Teil-Abschnitt der Innenseite des bogenförmigen Abschnitts anliegt, so dass das Führungselement durch Erhöhung des Krümmung des bogenförmigen Abschnitts gegen die Wirkungsrichtung der Haltekraft des zweiten Federelements von der Kupplungsposition in die Grundposition bewegbar ist.The transfer device according to the invention further comprises a leaf spring and an electric rotary drive with a shaft coupled to the rotary drive, wherein the rotary drive is arranged to rotate the shaft about its longitudinal axis, and wherein the shaft is at least partially provided with an external thread, wherein the leaf spring is an arcuate A biased portion having a curvature and two end portions, wherein a first of the two end portions is held stationary with respect to the first mandrel part and a second of the two end portions is coupled in a manner to the external thread of the shaft that a rotational movement of the shaft in a translational Movement of the second end portion is implemented, so that by turning the shaft, the curvature of the arcuate portion is changeable, and wherein a contact surface of the transfer element abuts a portion of the inner part of the arcuate portion, so that the guide ungselement by increasing the curvature of the arcuate portion against the direction of action of the holding force of the second spring element from the coupling position to the home position is movable.

Bevorzugt ist hierbei der zweite Endabschnitt an eine auf das Außengewinde der Welle geschraubte Mutter gekoppelt. So kann auf praktische Weise eine Drehbewegung der Welle in eine translatorische Bewegung des zweiten Endabschnitts umgesetzt werden.In this case, the second end section is preferably coupled to a nut screwed onto the external thread of the shaft. Thus, in a practical way, a rotational movement of the shaft can be converted into a translatory movement of the second end section.

Die erfindungsgemäß ausgebildete Überführungsvorrichtung ermöglicht auf praktische und einfache Weise eine Bewegung des Überführungselement von der Kupplungsposition in die Grundposition und umgekehrt durch Bestromung des elektrischen Drehantriebs.The inventively constructed transfer device allows in a practical and simple way a movement of the transfer element from the coupling position to the basic position and vice versa by energizing the electric rotary drive.

Bevorzugt kann die Welle auch einen mittleren Abschnitt mit einem Außengewinde aufweisen, und ferner zwei Endabschnitte, die an das Außengewinde angrenzen, wobei die beiden Endabschnitte gewindefrei ausgebildet sind. Die gewindefreien Abschnitte dienen hierbei der erfindungsgemäßen Bereitstellung eines Kupplungsbetriebs bei dem die Welle noch weiter gedreht werden kann ohne dass sich der zweite Endabschnitt der Blattfeder translatorisch weiterbewegt. Nach Drehrichtungsumkehr kann sich der zweite Endabschnitt in dem Außengewinde wieder fangen bzw. an dieses ankoppeln.Preferably, the shaft may also have a central portion with an external thread, and further two end portions, which adjoin the external thread, wherein the two end portions are formed thread-free. The unthreaded sections serve in this case the provision according to the invention of a coupling operation in which the shaft can be rotated even further without the second end section of the leaf spring moving in translation. After reversing the direction of rotation, the second end section can catch again in the external thread or couple to it.

Bei einer vorteilhaften Ausführungsform ist wenigstens eine Abstandserfassungs-Vorrichtung vorgesehen, die dazu eingerichtet ist, den Abstand wenigstens eines Teilbereichs des bogenförmigen Abschnitts zu einem vorgegebenem Ort in Umgebung des Teilbereichs zu erfassen. Mittels einer derartigen Abstandserfassungs-Vorrichtung kann insbesondere ermittelt werden wann bzw. ob sich das Überführungselement in der Grundposition bzw. der Kupplungsposition befindet.In an advantageous embodiment, at least one distance detection device is provided, which is set up to detect the distance of at least one subarea of the arcuate section to a predetermined location in the vicinity of the subarea. By means of such a distance detection device can be determined in particular when or whether the transfer element is in the home position or the clutch position.

Als Alternative zu dem Drehantrieb die nicht Teil der Erfindung ist, kann auch ein Hubmagnet vorgesehen sein, der vorzugsweise in Form eines bistabilen Hubmagneten ausgebildet ist, wobei der zweite Endabschnitt an ein längsbewegliches Element des Hubmagneten, wie den Tauchkern des Hubmagneten, gekoppelt sein kann.As an alternative to the rotary drive which is not part of the invention, a solenoid may also be provided, which is preferably in the form of a bistable solenoid, wherein the second end portion may be coupled to a longitudinally movable member of the solenoid, such as the plunger of the solenoid.

Im Folgenden wird die Erfindung anhand von Zeichnungen, die Ausführungsbeispiele darstellen, erläutert. Es zeigen schematisch:

Fig. 1
Ein dreidimensionale Darstellung eines Türschlosses mit der erfindungsgemäßen Baugruppe,
Fig. 2
das Türschoss aus Fig. 1 ohne Vorderabdeckung und ohne Innendrücker und Außendrücker,
Fig. 3 und 4
jeweils eine Schnittansicht des in Fig. 2 dargestellten Türschlosses senkrecht zur Längserstreckung des hinteren Abschlussbleches zur Veranschaulichung der erfindungsgemäßen Baugruppe,
Fig. 5
eine vergrößerte Darstellung des Bereichs des Schlosses der Fig. 2, der die erfindungsgemäße Baugruppe aufweist,
Fig. 6 und 7
jeweils eine Schnittansicht des in Fig. 5 dargestellten Bereichs parallel zur Längserstreckung des hinteren Abschlussbleches, und
Fig. 8
eine vergrößerte Darstellung eines Bereichs eines Schlosses, welches ein weiteres Ausführungsbeispiel der erfindungsgemäßen Baugruppe aufweist.
In the following, the invention will be explained with reference to drawings illustrating embodiments. They show schematically:
Fig. 1
A three-dimensional representation of a door lock with the assembly according to the invention,
Fig. 2
the door lap off Fig. 1 without front cover and without inner handle and outer handle,
3 and 4
each a sectional view of the in Fig. 2 illustrated door lock perpendicular to the longitudinal extent of the rear end plate to illustrate the assembly according to the invention,
Fig. 5
an enlarged view of the area of the castle Fig. 2 having the assembly according to the invention,
6 and 7
each a sectional view of the in Fig. 5 shown area parallel to the longitudinal extent of the rear end plate, and
Fig. 8
an enlarged view of a portion of a castle, which has a further embodiment of the assembly according to the invention.

Das in Fig. 1 dargestellte Türschloss 10, das in Fig. 2 ohne Vorderabdeckung 12 und ohne Innendrücker bzw. Außendrücker 14 dargestellt ist, weist unter anderem ein an sich bekanntes Abschlussblech 16 auf, wobei die erfindungsgemäße Baugruppe 18 auf Höhe eines mittleren Bereichs des Abschlussbleches 16 angeordnet ist.This in Fig. 1 illustrated door lock 10, the in Fig. 2 without front cover 12 and without inner handle or outer handle 14 is shown, inter alia, a per se known end plate 16, wherein the assembly 18 according to the invention is arranged at the level of a central region of the end plate 16.

Die Fig. 3 und 4 zeigen jeweils eine Schnittansicht des in Fig. 2 dargestellten Türschlosses 10 senkrecht zur Längserstreckung des hinteren Abschlussbleches 16 zur Veranschaulichung der erfindungsgemäßen Baugruppe 18. Die Baugruppe 18 umfasst einen zweiteiligen Dorn 36 , der ein erstes Dornteil 20 und ein zweites Dornteil 22 aufweist, wobei das erste Dornteil 20 einen ersten Endabschnitt 24 und das zweite Dornteil 22 einen zweiten Endabschnitt 26 aufweist, die voneinander beabstandet sind.The 3 and 4 each show a sectional view of the in Fig. 2 The assembly 18 includes a two-piece mandrel 36 having a first mandrel portion 20 and a second mandrel portion 22, the first mandrel portion 20 having a first end portion 24 and the second mandrel portion 20 Mandrel 22 has a second end portion 26 which are spaced from each other.

Ein Kupplungselement 28 ist für die Bereitstellung einer drehfesten Verbindung zwischen dem ersten Endabschnitt 24 und dem zweiten Endabschnitt 26 vorgesehen, wobei das Kupplungselement 28 ein Führungsstück 30 und ein Kupplungsstück 32 umfasst, und wobei das Führungsstück 30 formschlüssig in Richtung einer zentralen Längsachse 34 des Dorns 36 in einer Vertiefung 74 des ersten Endabschnitts 24 wenigstens abschnittsweise geführt ist, so dass das Kupplungselement 28 zwischen einer ersten Position und einer zweiten Position axial bewegbar ist und dabei drehfest mit dem ersten Endabschnitt verbunden ist. Das Kupplungsstück 32 und der zweite Endabschnitt 26 eingerichtet sind stirnseitig so eingerichtet, dass in der ersten Position eine formschlüssige zentrische Verbindung zwischen dem Kupplungsstück 32 und dem zweiten Endabschnitt 26 bereitgestellt wird (vgl. Fig. 3), und wobei das Kupplungselement 28 in der zweiten Position von dem zweiten Endabschnitt 26 axial beabstandet ist (vgl. Fig. 4).A coupling element 28 is provided for providing a rotationally fixed connection between the first end portion 24 and the second end portion 26, wherein the coupling element 28 comprises a guide piece 30 and a coupling piece 32, and wherein the guide piece 30 positively in the direction of a central longitudinal axis 34 of the mandrel 36th in a recess 74 of the first end portion 24 is guided at least in sections, so that the coupling element 28 between a first position and a second position is axially movable and thereby rotatably connected to the first end portion. The coupling piece 32 and the second end portion 26 are arranged at the end so arranged that in the first position, a positive centric connection between the coupling piece 32 and the second end portion 26 is provided (see. Fig. 3 ), and wherein the coupling member 28 in the second position of the second end portion 26 is axially spaced (see. Fig. 4 ).

Ein erstes Federelement 38 in Form einer gestauchten Schraubenfeder dient der Bereitstellung einer Haltekraft, die dafür vorgesehen ist, das Kupplungselement 28 in der ersten Position zu halten. Das Federelement 38 kann in der Vertiefung 74 vorzugsweise mit einem Dämpfungsfett versehen sein, um insbesondere schlagartige Schwingungsanregungen zu dämpfen. Ein Überführungselement 40 ist zwischen einer Kupplungsposition (vgl. Fig. 3) und einer Grundposition (vgl. Fig. 4) bewegbar geführt, und zwar vorzugsweise, wie bei diesem Ausführungsbeispiel, wenigstens abschnittsweise in einer in einem Gehäuseabschnitt der Baugruppe oder des Schlosses ausgebildeten Vertiefung 42. Das Überführungselement 40 und das Kupplungsstück 32 sind ferner auf eine Weise ausgebildet, dass das Kupplungselement 28 von dem Überführungselement 40 in die zweite Position bewegbar ist durch Drücken des Überführungselements 40 gegen das Kupplungsstück 32 beim Bewegen des Überführungselements 40 von der Kupplungsposition in die Grundposition. Ein zweites Federelement 44 in Form einer Schraubenfeder dient der Bereitstellung einer Haltekraft, die dafür vorgesehen ist, das Überführungselement 40 in der Kupplungsposition zu halten.A first spring element 38 in the form of a compressed coil spring serves to provide a holding force, which is intended to hold the coupling element 28 in the first position. The spring element 38 may preferably be provided in the recess 74 with a damping grease in order to dampen in particular abrupt vibration excitations. A transfer member 40 is disposed between a coupling position (see FIG. Fig. 3 ) and a basic position (cf. Fig. 4 ) guided, preferably, as in this embodiment, at least in sections in a recess 42 formed in a housing portion of the assembly or lock. The transfer member 40 and the coupling piece 32 are further formed in a manner such that the coupling member 28 is movable from the transfer member 40 to the second position by pressing the transfer member 40 against the coupler 32 when moving the transfer member 40 from the coupling position to the home position. A second spring element 44 in the form of a helical spring serves to provide a holding force, which is intended to hold the transfer element 40 in the coupling position.

In Fig. 3 dargestellt ist die Situation in welcher das Kupplungselement 28 eine formschlüssige drehfeste Verbindung zwischen den beiden drehbar, vorzugsweise in Gehäuseteilen des Schlosses aufgenommenen Dornteilen 20, 22 bereitstellt, so dass eine Übertragung eines Drehmoments von dem ersten Dornteil 20 auf das zweite Dornteil 22 und umgekehrt möglich ist, und zwar insbesondere durch Betätigen des Außendrückers bzw. Innendrückers 14, die an außen liegenden Abschnitten des ersten Dornteils 20 bzw. zweiten Dornteils 22 angebracht sind, die dem ersten bzw. dem zweiten Endabschnitt 24, 26 der Dornteile 20, 22 gegenüberliegen, einhergehend mit der Bereitstellung eines freigegebenen Zustands. Hierbei befindet sich das Überführungselement 40 in der Kupplungsposition.In Fig. 3 illustrated is the situation in which the coupling element 28 provides a positive rotational connection between the two rotatable, preferably housed in housing parts of the lock mandrel parts 20, 22, so that a transmission of torque from the first mandrel part 20 to the second mandrel part 22 and vice versa is possible in particular by operating the outer pusher 14 mounted on outer portions of the first mandrel member 20 and second mandrel member 22, respectively, facing the first and second end portions 24, 26 of the mandrel members 20, 22, respectively the provision of a released state. Here, the transfer element 40 is in the coupling position.

In Fig. 4 dargestellt ist die Situation in welcher sich das Kupplungselement 28 in der zweiten Position befindet in welcher es von dem zweiten Endabschnitt 26 beabstandet ist, so dass keine formschlüssige drehfeste Verbindung zwischen den beiden Dornteilen 20, 22 besteht, einhergehend mit der Bereitstellung eines gesperrten Zustands. Hierbei befindet sich das Überführungselement 40 in der erfindungsgemäßen Grundposition.In Fig. 4 the situation is shown in which the coupling element 28 is in the second position in which it is spaced from the second end portion 26, so that there is no positive rotational connection between the two mandrel parts 20, 22, accompanied with the provision of a locked state. In this case, the transfer element 40 is in the basic position according to the invention.

Das Kupplungsstück 32 und das Überführungselement 40 sind auf eine Weise ausgebildet, dass sich beim Bewegen des Überführungselements 40 von der Kupplungsposition in die Grundposition abgeschrägte Berührungsflächen bzw. Kontaktflächen 46 zwischen bzw. an dem Kupplungsstück 32 und dem Überführungselement 40 ausbilden, die derart relativ zueinander angeordnet sind, dass mit der Bewegung des Überführungselements 40 von der Kupplungsposition in die Grundposition eine Kraftkomponente bzw. Druckkraft-Komponente einhergeht, die - entgegen der Wirkungsrichtung des ersten Federelements 38 - eine Bewegung des Kupplungselements 28 von der ersten Position in die zweite Position ermöglicht bzw. ermöglichen kann. Bei dem dargestellten Ausführungsbeispiel sind diese Berührungsflächen 46 in Form von Keilflächen ausgebildet, die ein Keilgetriebe bilden. Es ermöglicht eine im Wesentlichen senkrecht zur Bewegungsrichtung des Überführungselements 40 gerichtete Kraftübertragung auf das Kupplungsstück 32 und damit auf das gesamte Kupplungselement 28. Bei einer Bewegung von außen nach innen von der Kupplungsposition in die Grundposition drängt das Überführungselement 40 das Kupplungsstück 32 aus dem Eingriff mit dem zweiten Dornteil entgegen der Wirkungsweise des erste Federelements 38. Ferner sind das Führungsstück 30 und das Überführungselement 40 in im Wesentlichen rechtwinkelig zueinander angeordneten geradlinigen Richtungen bewegbar bzw. bewegbar geführt.The coupling piece 32 and the transfer member 40 are formed in such a manner that when moving the transfer member 40 from the coupling position to the home position beveled contact surfaces 46 between or on the coupling piece 32 and the transfer member 40 form, which are arranged relative to each other are that with the movement of the transfer element 40 from the coupling position to the basic position, a force component or pressure force component is accompanied, which - against the direction of action of the first spring element 38 - allows movement of the coupling element 28 from the first position to the second position can allow. In the illustrated embodiment, these contact surfaces 46 are formed in the form of wedge surfaces which form a wedge gear. It allows a substantially perpendicular to the direction of movement of the transfer element In a movement from the outside inwards from the coupling position to the basic position, the transfer element 40 urges the coupling piece 32 out of engagement with the second mandrel part against the action of the first spring element 38. Furthermore, the guide piece 30 and the transfer element 40 are guided and movable in substantially rectilinearly arranged rectilinear directions.

Die in Fig. 3 dargestellte formschlüssige Verbindung zwischen dem Kupplungsstück 32 und dem zweiten Endabschnitt 26 umfasst eine in dem Kupplungsstück 32 stirnseitig ausgebildete Vertiefung 48 und einen von dieser Vertiefung 48 formschlüssig aufnehmbaren Ansatz 50, der an der Stirnseite des zweiten Endabschnitts 26 ausgebildet ist, und der zum Kuppeln von der Vertiefung 48 aufgenommen wird. Der Ansatz 50 hat die Form einer regelmäßigen Pyramide oder eines regelmäßigen Pyramidenstumpfs, beispielsweise mit einer dreieckigen, quadratischen oder vieleckigen Grundfläche. Die Vertiefung 48 ist dazu komplementär. In der Kupplungsposition liegt dabei Fläche an Fläche. Durch die so erfindungsgemäß bereitgestellte lösbare Verbindung wird ein Überlastschutz geschaffen, der derart wirkt, dass bei einem Überdrücken des an dem ersten bzw. zweiten Dornteil 20, 22 angebrachten Innendrückers bzw. Außendrückers 14 infolge eines zu großen Drehmoments ein Lösen des Kupplungselements 28 von dem zweiten Endabschnitt 26 entgegen der Wirkungsrichtung des ersten Federelements 38 erfolgt.In the Fig. 3 illustrated positive connection between the coupling piece 32 and the second end portion 26 comprises a front in the coupling piece 32 formed recess 48 and a recess 48 of this form-fitting receivable approach 50 which is formed on the end face of the second end portion 26, and for coupling of the Well 48 is recorded. The projection 50 has the shape of a regular pyramid or a regular truncated pyramid, for example, with a triangular, square or polygonal base. The recess 48 is complementary thereto. In the coupling position lies surface to surface. The thus provided according to the invention releasable connection an overload protection is provided which acts such that when an overpressure of the attached to the first and second mandrel member 20, 22, the inner handle or outer handle 14 due to excessive torque, a release of the coupling element 28 of the second End portion 26 against the direction of action of the first spring element 38 takes place.

Fig. 5 zeigt eine vergrößerte Darstellung des Bereichs des Schlosses der Fig. 2, der die erfindungsgemäße Baugruppe 18 aufweist, und Fig. 6, 7 zeigen jeweils eine Schnittansicht des in Fig. 5 dargestellten Bereichs parallel zur Längserstreckung des hinteren Abschlussbleches 16. Fig. 5 shows an enlarged view of the area of the castle the Fig. 2 having the inventive assembly 18, and Fig. 6 . 7 each show a sectional view of the in Fig. 5 shown area parallel to the longitudinal extent of the rear end plate 16th

Aus den Fig. 5 bis 7 geht insbesondere die Ausbildung einer erfindungsgemäßen Überführungsvorrichtung 52 hervor, die dazu ausgebildet ist, das Überführungselement 40 von der Kupplungsposition in die Grundposition zu bewegen und umgekehrt. Die Überführungsvorrichtung 52 umfasst eine Blattfeder 54 und einen elektrischen Drehantrieb 56 mit einer an den Drehantrieb 56 gekoppelten Welle 58, wobei der Drehantrieb 56 eingerichtet ist, die Welle 58 in beiden Drehrichtungen um ihre Längsachse zu drehen, und wobei die Welle 58 einen mittleren Abschnitt mit einem Außengewinde 60 aufweist oder auch in Form einer Zylinderschnecke ausgebildet sein kann.From the Fig. 5 to 7 In particular, the embodiment of a transfer device 52 according to the invention is apparent, which is designed to move the transfer element 40 from the coupling position to the basic position and vice versa. The transfer device 52 comprises a leaf spring 54 and a rotary electric drive 56 with a rotary drive 56 coupled to the shaft 58, wherein the rotary drive 56 is arranged to rotate the shaft 58 in both directions about its longitudinal axis, and wherein the shaft 58 has a central portion has an external thread 60 or may be formed in the form of a cylindrical screw.

Der Drehantrieb 56 ist vorzugsweise motorisch bidirektional ausgebildet. Die Blattfeder 54 weist einen bogenförmigen vorgespannten Abschnitt 62 mit einer Krümmung und einen ersten und zweiten Endabschnitt 64, 64' auf, wobei der erste Endabschnitt 64 ortsfest in Bezug auf das erste Dornteil 20 gehalten ist und der zweite Endabschnitt 64' auf eine Weise an das Außengewinde 60 der Welle 58 gekoppelt ist, dass eine Drehbewegung der Welle 58 in eine translatorische Bewegung des zweiten Endabschnitts 64' umgesetzt wird, so dass durch Drehen der Welle 58 die Krümmung des bogenförmigen Abschnitts 62 veränderbar ist. Zur Schaffung der Kopplung kann in dem zweiten Endabschnitt 64' der Blattfeder 54 eine Öffnung ausgebildet sind, deren Umgrenzung zwischen dem Außendurchmesser und dem Kerndurchmesser des Außengewindes 60 angeordnet ist. Vorzugsweise ist der zweite Endabschnitt 64' derart an das Außengewinde 60 gekoppelt, dass er im unbelasteten Zustand der Blattfeder 54 im Wesentlichen in der Mitte des Außengewindes 60 angeordnet ist.The rotary drive 56 is preferably constructed bidirectionally motor. The leaf spring 54 has an arcuate biased portion 62 having a curvature and a first and second end portion 64, 64 ', wherein the first end portion 64 is held stationary with respect to the first mandrel portion 20 and the second end portion 64' is coupled in a manner to the external thread 60 of the shaft 58, that a rotational movement of the shaft 58 in a translational movement of the second end portion 64 'is implemented, so that by rotating the shaft 58, the curvature of the arcuate portion 62 is variable. To create the coupling, an opening may be formed in the second end portion 64 'of the leaf spring 54, the boundary between the outer diameter and the core diameter of the external thread 60 is arranged. Preferably, the second end portion 64 'is coupled to the external thread 60 such that it is disposed in the unloaded state of the leaf spring 54 substantially in the center of the external thread 60.

Die Fig. 8 zeigt ferner eine vergrößerte Darstellung eines Bereichs eines Schlosses, welches ein weiteres Ausführungsbeispiel der erfindungsgemäßen Baugruppe 18 aufweist. Im Unterschied zu dem Ausführungsbeispiel der anderen Figuren ist hier der zweite Endabschnitt 64' an eine auf das Außengewinde 60 der Welle 58 geschraubte Mutter 59 gekoppelt. Die Welle 58 ist hierbei vorzugsweise in Form einer Kunststoffschnecke mit Trapezprofil ausgebildet, die vorzugsweise auf den Drehantrieb 56 aufgesteckt ist. Die Mutter 59 ist vorzugsweise derart ausgebildet, dass sie mit einem Gewindegang auf der Kunststoffschnecke läuft.The Fig. 8 further shows an enlarged view of a portion of a lock, which has a further embodiment of the assembly 18 according to the invention. In contrast to the exemplary embodiment of the other figures, here the second end section 64 'is coupled to a nut 59 screwed onto the external thread 60 of the shaft 58. The shaft 58 is in this case preferably in the form of a plastic screw with a trapezoidal profile, which is preferably attached to the rotary drive 56. The nut 59 is preferably designed such that it runs with a thread on the plastic screw.

Eine stirnseitige Anlagefläche 66 des Überführungselements 40 liegt an einem Teil-Abschnitt 68 der Innenseite des bogenförmigen Abschnitts 62 an, so dass das Überführungselement 40 durch Erhöhung der Krümmung des bogenförmigen Abschnitts 62 gegen die Wirkungsrichtung der Haltekraft des zweiten Federelements 44 von der Kupplungsposition in die Grundposition bewegbar ist. Das Überführungselement bewegt sich dabei radial bezüglich des bogenförmigen Abschnitts 62. Die Überführungsvorrichtung 52 ermöglicht auf praktische und einfache Weise eine Bewegung des Überführungselements 40 von der Kupplungsposition in die Grundposition und umgekehrt durch Bestromung des elektrischen Drehantriebs 56. Bei der Bewegung des Überführungselements 40 von der Grundposition in die Kupplungsposition, der gegebenenfalls eine Stromrichtungsumkehr des Antriebsstroms des Drehantriebs vorhergeht, wirkt das zweite Federelement 44 unterstützend mit.An end abutment surface 66 of the transfer member 40 abuts on a portion 68 of the inside of the arcuate portion 62, so that the transfer member 40 by increasing the curvature of the arcuate portion 62 against the direction of action of the holding force of the second spring member 44 from the coupling position to the home position is movable. The transfer element moves radially with respect to the arcuate portion 62. The transfer device 52 allows in a practical and simple manner a movement of the transfer element 40 from the clutch position to the home position and vice versa by energizing the electric rotary drive 56. In the movement of the transfer element 40 from the home position in the coupling position, which optionally precedes a reversal of the direction of the drive current of the rotary drive, the second spring element 44 cooperates with.

Die Welle 58 weist ferner zwei gewindefreie Endabschnitte 70 auf, die an das Außengewinde 60 angrenzen. Die gewindefreien Endabschnitte 70 dienen hierbei der erfindungsgemäßen Bereitstellung eines Kupplungsbetriebs, bei dem die Welle 58 noch weiter gedreht werden kann, ohne dass sich der zweite Endabschnitt 64 der Blattfeder 54 translatorisch weiterbewegt. Nach Drehrichtungsumkehr kann sich der zweite Endabschnitt 64 in dem Außengewinde 60 wieder fangen bzw. an dieses ankoppeln. Je nach Drehrichtung erfolgt eine Erhöhung oder Verringerung bzw. Erniedrigung der Krümmung des bogenförmigen Abschnitts 62.The shaft 58 further has two unthreaded end portions 70 which abut the external thread 60. The unthreaded end portions 70 serve in this case the provision of a coupling operation according to the invention, in which the shaft 58 can be rotated further without the second end portion 64 of the leaf spring 54 moving in a translatory manner. After reversal of direction, the second end portion 64 in the external thread 60 can catch or on again to dock this. Depending on the direction of rotation, there is an increase or decrease or decrease in the curvature of the arcuate portion 62.

Die Überführungsvorrichtung 52 steht ferner mit einem lediglich in Fig. 5 schematisch dargestellten Gerät zu Ermittlung einer Zugangsberechtigung 72 auf eine Weise in Wirkverbindung, dass sie im Falle einer vorliegenden Zugangsberechtigung das Überführungselement 40 von der Grundposition in die Kupplungsposition bewegt. Hierfür werden elektrische Anschlusspole 57 des Drehantriebs 56 von dem Gerät 72 gegebenenfalls bestromt. Notwendige Informationen zur Ermittlung der Zugangsberechtigung können hierbei beispielsweise über eine Eingabevorrichtung des Geräts 72 zur Verfügung gestellt werden, wie beispielsweise einer üblichen Zehner-Tastatur, einem Chip-Kartenleser, einem Tag-Leser und/oder einem Fingerprinterleser (nicht näher dargestellt).The transfer device 52 is further provided with a merely in Fig. 5 schematically illustrated device for determining an access authorization 72 in a manner operatively connected to move the transfer element 40 from the basic position to the coupling position in the case of an existing access authorization. For this purpose, electric connection poles 57 of the rotary drive 56 are optionally energized by the device 72. Necessary information for ascertaining the access authorization can be provided here, for example, via an input device of the device 72, such as, for example, a conventional ten-key keyboard, a chip card reader, a tag reader and / or a fingerprinter reader (not shown in more detail).

In Fig. 6 dargestellt ist die Situation bei der sich das Überführungselement 40 in der Kupplungsposition befindet. In Fig. 7 dargestellt ist die Situation bei der sich das Überführungselement 40 in der Grundposition befindet.In Fig. 6 illustrated is the situation in which the transfer element 40 is in the coupling position. In Fig. 7 illustrated is the situation in which the transfer element 40 is in the home position.

Auf den Außendrücker bzw. den Innendrücker 14 (vgl. Fig. 1), die an außen liegenden Abschnitten des ersten Dornteils 20 bzw. zweiten Dornteils 22 angebracht sind, kann erfindungsgemäß ferner eine nicht näher dargestellte Schenkelfeder wirken, so dass das Schloss bzw. der Beschlag nach DIN Links und DIN Rechts verwendet werden kann.On the outer handle or the inner handle 14 (see. Fig. 1 ), which are attached to outer portions of the first mandrel part 20 and the second mandrel part 22, according to the invention may further act a leg spring, not shown, so that the lock or the fitting can be used to DIN left and DIN right.

Claims (7)

  1. An assembly unit (18) for a door lock (10) adapted to close and open said door lock (10), comprising
    - a two-part spindle (36), comprising a first spindle element (20) and a second spindle element (22), of which the first spindle element (20) has a first terminal portion (24) and the second spindle element (22) has a second terminal portion (26), said terminal portions being separated from each other,
    - a coupling element (28), which is provided for achieving a non-rotatable connection between said first terminal portion (24) and said second terminal portion (26), which coupling element (28) comprises a guiding member (30) and a coupling member (32), said guiding member (30) being positively guided at least section-wise in the direction of a central longitudinal axis (34) of said spindle (36) in a depression (74) of said first terminal portions (24), such that said coupling element (28) can be moved between a first position and a second position, said coupling member (32) and said second terminal portion (26) being adapted to provide, in the first position, a positive connection between said coupling member (32) and said second terminal portion (26), said coupling element (28) being in the second position spaced in relation to the second terminal portion (26),
    - a first spring element (38) for the provision of a holding force,
    - a transfer element (40), which is movably guided between a coupling position and a home position,
    - a second spring element (44) for the provision of a holding force, which is provided for the purpose of keeping said transfer element (40) in the coupling position, and
    - a transfer device (52) which is adapted for the purpose of moving said transfer element (40) from the coupling position to the home position and vice versa,
    characterized in that
    - the holding force provided by said first spring element (38) serves the purpose of holding said coupling element (28) in the first position,
    - said coupling element (28) being capable of moving to the second position by pressing said transfer element (40) against said coupling member (32) during the movement of said transfer element (40) from the coupling position to the home position,
    - said transfer device (52) having a leaf spring (54) and an electric rotary drive (56) having a shaft (58) coupled to said rotary drive (56),
    - said rotary drive (56) being adapted to rotate said shaft (58) about its longitudinal axis, and said shaft (58) being at least in part provided with a mail thread (60),
    - said leaf spring (54) having a pretensioned arcuate section (62) having a curvature and two terminal portions (64), of which a first terminal portion (64) is held in a stationary position relatively to said first spindle element (20) and a second terminal portion (64) is coupled via said thread mail thread (60) of said shaft (58) in such a manner that it converts a rotary movement of said shaft (58) into a translatory movement of said second terminal portion (64), such that rotation of said shaft (58) causes the curvature of said arcuate section (62) to be changed, and
    - a contact surface (66) of said transfer element (40) bearing against a partial section (68) of the interior surface of said arcuate section (62), such that said transfer element (40) can be moved from the coupling position to the home position by increasing the curvature of said arcuate section (62) against the direction of action of the holding force of said second spring element (44).
  2. An assembly unit (18) as claimed in claim 1,
    characterized in that
    said assembly unit (18) also comprises a device for ascertaining a right of access (72), said transfer device (52) being mechanically linked to said device for ascertaining a right of access (72) in such a manner that it moves said transfer element (40) from the home position to the coupling position when a right of access is present.
  3. An assembly unit (18) as claimed in claim 1,
    characterized in that
    said assembly unit (18) also comprises a device for ascertaining a state of danger (72), the transfer device (52) being mechanically linked to said device for ascertaining a state of danger (72) such that it moves said transfer element (40) from said home position to said coupling position when said state of danger is present.
  4. An assembly unit (18) as claimed in any one of the previous claims,
    characterized in that
    the positive connection between the coupling member (32) and the second terminal portion (26) includes a depression (48) formed in the coupling member (32) and an attachment (50) positively accommodated in said depression, which attachment is formed on said second terminal portion (26).
  5. An assembly unit (18) as claimed in any one of the previous claims,
    characterized in that
    said second terminal portion (64) is coupled to a nut (59) screwed into said mail thread (60) on said shaft (58).
  6. An assembly unit (18) as claimed in any one of the previous claims,
    characterized in that
    said shaft (58) has a central portion provided with a male thread (60), and that said shaft (58) also has two terminal portions (70) adjacent to said male thread (60), said two terminal portions (70) being unthreaded.
  7. An assembly unit (18) as claimed in any one of the previous claims,
    characterized in that
    at least one space determining device is provided which is adapted to detect the distance of at least one partial region of said arcuate section from a predetermined point in the environment of said partial region.
EP09007947.6A 2008-06-17 2009-06-17 Sub-assembly for blocking or releasing a door lock Active EP2136019B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008028800A DE102008028800B4 (en) 2008-06-17 2008-06-17 Assembly for a door lock intended to lock or unlock the door lock

Publications (3)

Publication Number Publication Date
EP2136019A2 EP2136019A2 (en) 2009-12-23
EP2136019A3 EP2136019A3 (en) 2013-06-19
EP2136019B1 true EP2136019B1 (en) 2014-10-15

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ID=41198496

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Application Number Title Priority Date Filing Date
EP09007947.6A Active EP2136019B1 (en) 2008-06-17 2009-06-17 Sub-assembly for blocking or releasing a door lock

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EP (1) EP2136019B1 (en)
DE (1) DE102008028800B4 (en)
ES (1) ES2527518T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2651118T3 (en) * 2011-02-15 2018-01-24 Mauer Locking Systems Ltd Coupling mechanism attachable to door locks with a locking bolt operated by handles or knobs
US11933092B2 (en) 2019-08-13 2024-03-19 SimpliSafe, Inc. Mounting assembly for door lock
SE546037C2 (en) * 2020-12-18 2024-04-23 Assa Abloy Ab Coupling arrangement for lock device, and lock device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2747149B1 (en) * 1996-04-05 1998-06-12 Fontaine Sa ELECTRICAL LOCK / UNLOCK CONTROL DEVICE HAVING ANTI-PANIC FUNCTION AND ANTI-PANIC LOCKS EQUIPPED WITH SUCH A DEVICE
DE10320873B4 (en) * 2003-05-09 2006-02-09 Simonsvoss Technologies Ag Motion transmission device and method
US7425093B2 (en) 2003-07-16 2008-09-16 Cabot Corporation Thermography test method and apparatus for bonding evaluation in sputtering targets
US7007526B2 (en) * 2003-09-08 2006-03-07 Harrow Products, Inc. Electronic clutch assembly for a lock system
ITBO20030582A1 (en) * 2003-10-10 2005-04-11 Cisa Spa ELECTRIC LOCK PROVIDED WITH MULTIFUNCTIONAL SPRING
MXPA05007787A (en) * 2004-08-02 2006-03-16 Talleres Escoriaza Sa Improvements in engaging mechanism for locks.
DE102004048467B4 (en) * 2004-10-05 2009-06-10 Assa Abloy Sicherheitstechnik Gmbh Actuation device for a door lock
US20070209413A1 (en) * 2006-03-13 2007-09-13 Schlage Lock Company Lock manual override mechanism with deadlatch

Also Published As

Publication number Publication date
DE102008028800B4 (en) 2010-08-26
EP2136019A2 (en) 2009-12-23
DE102008028800A1 (en) 2009-12-31
ES2527518T3 (en) 2015-01-26
EP2136019A3 (en) 2013-06-19

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