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EP2649906B1 - Device for opening and closing a movable furniture part - Google Patents

Device for opening and closing a movable furniture part Download PDF

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Publication number
EP2649906B1
EP2649906B1 EP13001880.7A EP13001880A EP2649906B1 EP 2649906 B1 EP2649906 B1 EP 2649906B1 EP 13001880 A EP13001880 A EP 13001880A EP 2649906 B1 EP2649906 B1 EP 2649906B1
Authority
EP
European Patent Office
Prior art keywords
ejector
adjusting
drawer
base part
movable furniture
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
EP13001880.7A
Other languages
German (de)
French (fr)
Other versions
EP2649906A2 (en
EP2649906A3 (en
Inventor
Klaus Schneider
Günther Grabher
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.)
Grass GmbH
Grass GmbH Deutschland
Original Assignee
Grass GmbH
Grass GmbH Deutschland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grass GmbH, Grass GmbH Deutschland filed Critical Grass GmbH
Publication of EP2649906A2 publication Critical patent/EP2649906A2/en
Publication of EP2649906A3 publication Critical patent/EP2649906A3/en
Application granted granted Critical
Publication of EP2649906B1 publication Critical patent/EP2649906B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/47—Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0091—Drawer movement damping
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0091—Drawer movement damping
    • A47B2210/0094—Drawer damping device with 2 relatively movable parts to convert kinetic energy
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/44—Sequencing or synchronisation of drawer slides or functional units
    • A47B88/45—Synchronisation of cooperating drawer slides, i.e. with a coordination of the rail movement of different drawer slides

Definitions

  • the invention relates to a device for opening and closing a movable furniture part, in particular drawer, door or flap, with an ejection unit, via which the movable furniture part a predetermined distance can be pressed and then ejected.
  • the closing and opening device described therein is intended for drawer pull-out guides, which are in turn equipped with a guide rail to be fastened to a cabinet wall of a piece of furniture and a sliding rail mounted on the drawer, possibly with the intermediary of a middle rail.
  • the closing and opening device comprises a touch-latch mechanism having a pivotally mounted on the end of a coupling rod lever on which a control projection is formed, which engages in a formed like a heart cam cam, whereby the coupling rod in two in its longitudinal direction locked positions can be locked. This locking takes place by means of a coil under compression pretensioned coil which tries to push the coupling rod from the interior of a housing.
  • By inserting the coupling rod is the tax advantage pushed out of the respective detent position of the control cam, whereby the drawer is ejected.
  • a dynamic closing of the movable furniture part may cause another problem: If the movable furniture part is closed with more energy than necessary to effect a locking of the ejection unit, it may happen that despite the ejection unit being locked, components formed by the excess energy and the inertia of the movable furniture part on the movable furniture part or its guide Components of the locked ejection unit are demolished.
  • Such devices should be suitable for an emergency opening in which the movable furniture part can be opened without activating the touch-latch function of the ejection unit from the closed position, with the ejection unit locked, with corresponding components moving along with the movable furniture part in a simple manner to separate from the components of the ejection unit.
  • the object of the invention is therefore to provide a device for opening and closing a movable furniture part of the type mentioned above, which is reliable and easy to handle and with which in particular can avoid the problems described above.
  • the invention comprises a device for opening and closing a movable furniture part with the features of independent claim 1.
  • This device comprises an ejection unit, via which the movable furniture part can be pressed in a predetermined distance and then ejected, wherein the ejection unit is a base part and a displaceable on the base part having guided and stored by means of spring means Auswerferteil.
  • the device is designed such that the ejector part in the closing direction of the movable furniture part by means of support means on the base part supported and resiliently mounted in the opening direction by means of the spring means.
  • the spring means comprise at least one compression spring, which is supported on the one hand on the base part and on the other hand on the Auswerferteil.
  • material for the spring means is metal and / or plastic.
  • the spring means may also comprise, for example, a resilient strip of material of the ejection unit.
  • the ejector part has an ejector housing, which can be adjusted in a linearly displaceable manner on the base part by means of adjusting means in order to set a defined front gap of the movable furniture part.
  • the adjusting means comprises an adjusting nut which is rotatably mounted on the base part, wherein the adjusting nut has a control head and an attached smaller-diameter, provided with a threaded actuator society, which cooperates with a arranged in the ejector counter thread, wherein the compression spring concentric sitting on the society and on the one hand is supported on the adjusting head and on the other hand on an abutment portion formed on the base part.
  • FIGS. 1 to 4 show a first embodiment of the device 11 according to the invention for opening and closing a movable furniture part 12.
  • the device 11 is shown and described here by way of example when using a designed as a drawer movable furniture part 12. It is of course possible to use the device on other movable furniture parts, for example on a door or on a flap.
  • the drawer is slidably mounted by means of a guide device 13 relative to a furniture body (not shown).
  • the guide device 13 comprises a plurality of guide units 14, which are arranged on mutually opposite side edges of the drawer. Of the guide units 14 only one example is shown.
  • the guide unit 14 has a carcass rail 15, which may be configured, for example, as a bent sheet-metal component.
  • the carcass rail 15 is connected via suitable fastening means on an associated side wall of a furniture body trained drawer mount fixed position.
  • a middle rail 16 is slidably mounted, on which in turn a drawer rail 17 by means of bearing means (not shown) is displaceably guided.
  • the pull-out rail 17, which can also be referred to as a movement rail, is assigned to the drawer and extends below the drawer bottom in the depth direction.
  • the combination of carcass rail 15, middle rail 16 and pull-out rail 17 is called full extension.
  • guide units without middle rail.
  • the device comprises an ejection unit 18, via which the drawer can be pressed in for a predetermined distance and then ejected.
  • the ejection unit 18 is designed as a preassembled module in such a way that it can be fastened or fastened to the drawer or to a device part attached or attachable to the drawer by means of fastening means.
  • the device part according to the first embodiment is the carcass rail 15.
  • the ejection unit 18 is consequently attached to the carcass rail 15 as a preassembled module.
  • the ejection unit 18 could also be referred to as a touch-latch device.
  • the ejection unit 18 has a stationary on the carcass rail 15 mountable base part 19, which is designed for example like a rail and according to the first embodiment consists of plastic.
  • the ejection unit 18 further comprises an ejector part 20, which is displaceably guided on the base part 19.
  • the ejector part 20 in turn comprises an ejector housing 21, in which an ejector ram 22 between a locking position generated by means of locking means and a by means of spring force of an ejection spring 23 engageable extension position is guided linearly displaceable.
  • a coupling part is provided, which is coupled to the front end of the ejector ram 22, for example by means of a latching coupling 24.
  • latching coupling is in the manner described in more detail later in the emergency opening of the drawer from the ejector ram 22 solvable.
  • a latching pawl 25 is pivotally mounted, which in turn can be coupled with a driver on the pull-out rail 17.
  • the ejection unit 18 has locking means with which the ejector plunger can be locked in a locking position.
  • the locking means comprise a control lever (not shown) which is pivotally mounted at the end of the ejector plunger opposite the other end provided with the detent coupling.
  • the control lever engages, for example, with a projecting from the control lever down control pin in a formed on the ejector 21 control cam, which is designed in the manner of a heart curve and thus defines defined positions of the control lever.
  • the embodiment of such Locking means is for example the WO 2006/066774 A1 refer to.
  • the ejection spring 23 is arranged concentrically to the ejector ram 22 and tries to push the ejector ram 22 out of the ejector housing 21 with spring force.
  • the ejection spring 23 is supported at the rear end of the ejector 21 and on the other hand presses on the ejector ram.
  • When closing the drawer must therefore be pressed against the force of the ejection spring 23 until the control pin engages the control lever in a detent position of the heart cam curve, whereby on the one hand the ejection spring tensioned and on the other hand the ejector 22 is secured against extension from the ejector 21.
  • the ejector housing 21 for adjusting a defined front gap of the drawer by means of adjusting means linearly displaceable on the base part 19 is adjustably mounted.
  • the adjusting means comprise an adjusting nut 27, displaceably mounted relative to the base part 19.
  • the adjusting nut has a control head 28 and an attached therewith smaller-diameter, provided with a threaded adjustment Stül 30, which cooperates with a arranged on the ejector 21 counter thread.
  • the mating thread 31 is formed, for example, by a protruding on the end face of the ejector 21, integrally formed with this threaded portion.
  • the mating thread 31 passes through an abutment portion 32, which is in particular integrally formed on the base part 19 and projects into the VerstellausEnglishung or recording of the ejector 21 in the base part 19.
  • the abutment portion 32 and the rear end of the ejector housing receptacle define a Stellausnaturalung 33 for the adjusting nut 27, whose length is shorter than the length of the adjusting recess 33rd
  • the ejector part is supported in the closing direction of the movable furniture part by means of support means on the base part and is resiliently mounted in the opening direction by means of spring means.
  • the ejector housing 21 can be moved together with the adjusting nut 27 within the Auswerfergephaseuse recording.
  • the adjusting head 28 of the adjusting nut 27 counts to the support means, as in FIG. 2 shown, with its front side to the rear end of the ejector housing receptacle and rear end of the adjusting recess 33 can be stopped.
  • the spring means comprise a compression spring 34 which is supported on the one hand on the abutment portion 32 of the base part 19 and on the other hand on the underside of the adjusting head 28 of the adjusting nut, wherein the compression spring 34 concentrically surrounds the stomping 30.
  • the total length of the adjusting nut 27 is shorter than the length of the adjusting recess 33, so that, for example, in the in FIG. 2 represented situation of the society is at a distance from the abutment portion 32.
  • the compression spring 34 By the compression spring 34, a spring mounting of the ejector part is achieved in the opening direction, resulting in the following advantages:
  • the drawer is moved by the user with excess energy into the closed position.
  • the closing force is directed against the spring force of the ejection spring 23, which is tensioned when closing.
  • the Auswerstst Congressel 22 is pressed into the ejector housing 21 and the cam on Control lever at the end of the ejector ram drives along the cardioid-like cam.
  • the ejector member 20 is displaced in total, until in the end position of the drawer, the end face of the adjusting head 28 of the adjusting nut 27 abuts against the rear end of the adjusting recess 33.
  • the spring-mounted ejector 20 thus prevents after the drawer is struck in its end position in the subsequent return movement in the opening direction with locking ejector plunger so large forces on the connection between the ejector and the detent coupling come that there is a tearing or breaking of the Material is coming. Further, the compression spring allows a reliable emergency opening of the drawer without activating the touch-latch function of the ejection unit. Then namely the drawer is opened in its closed position without pressing, the ejector ram 22 remains engaged. The ejector plunger can therefore not be pulled out of the ejector housing. Nevertheless, there is a connection between the drawer over the latch and the detent with the ejector plunger, which must be solved in the emergency opening. Due to the resilient mounting of Auswerferte this is also possible without further notice and without material.
  • the compression spring also prevents a rebound effect, i. an unintentional triggering of the touch latch function, namely, when the touch latch function is triggered unintentionally by the control pin comes out of its detent position.
  • FIG. 5 shows a non-inventive device 11.
  • This invention not erfindungefuren differs from the first embodiment described above in that instead of the spring means a damping device 35 is provided with at least one damper 36 for damping the closing movement of the drawer when retracting into the closed position.
  • the damper 36 is a separate component from the ejection unit 18, which is located behind the ejection member in the opening direction according to this example.
  • the ejector ram 22 passes through the ejector housing 21 and emerges at the back of the ejector 21, wherein the rear end of the ejector ram 22 cooperates with the damper 36.
  • the structure of the ejection unit 18 with base part 19, ejector part 20, ejector housing 21 and the control cam housed there and the ejector ram 22 with latch 25 and control lever is identical to the first embodiment, so that the description also applies here.
  • the damper 36 is designed as a piston damper, with a damper housing 37 and a damper piston 37 mounted in the damper housing 38, which are mounted relative to each other displaceable.
  • the damper housing 37 is fixedly secured to the base part of the ejection unit 18 while the damper piston 38 is slidably mounted in the damper housing 37.
  • the rear end of the ejector ram 22 cooperates with the damper piston 38.
  • the ejector plunger 22 Upon dynamically closing the drawer with excess energy, the ejector plunger 22 is moved relative to the ejector housing 21, with the rear end of the ejector plunger coming into contact with the damper piston 38, thereby initiating a steaming operation, so that the excess energy is dissipated. This will produce the previously described rebound effect, i. prevents unwanted reopening of the drawer.
  • FIG. 6 shows a second embodiment of the device 11 according to the invention.
  • the structure of the ejection unit 18 is identical to the first embodiment, so that its description also applies to the second embodiment.
  • a compression spring clamped between adjusting nut and abutment section is also provided here.
  • the damper 36 is integrated in this embodiment in the ejection unit 18. This results in a total of a relatively compact design. This can be done, for example, that the ejector housing 21 also acts as a damper housing 37 and the damper piston (not shown) sits on the ejector ram 22.
  • FIGS. 7 and 8 A third embodiment of the device 11 according to the invention.
  • the construction of the ejection unit 18 is identical to the first embodiment, so that its description also applies to the third embodiment.
  • a between adjusting nut and Abstützpartie clamped compression spring provided.
  • the device 11 comprises a coupling device 39 by means of the rails of the guide device 14, for example, the two slide rails 17 are synchronously coupled motion.
  • the damper cooperates with the coupling device 39.
  • the coupling device 39 which can also be referred to as a synchronizing unit, is fastened in the example as a structural unit to the guide unit 14, wherein the damper 36 is placed on the coupling device 39.
  • the coupling device 39 comprises relatively movable components, of which one component acts on the damper piston 38 when closing the drawer and thereby initiates a damping process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Öffnen und Schließen eines bewegbaren Möbelteils, insbesondere Schublade, Tür oder Klappe, mit einer Ausstoßeinheit, über die das bewegbare Möbelteil eine vorgegebene Wegstrecke eindrückbar und anschließend ausstoßbar ist.The invention relates to a device for opening and closing a movable furniture part, in particular drawer, door or flap, with an ejection unit, via which the movable furniture part a predetermined distance can be pressed and then ejected.

Eine derartige Vorrichtung ist beispielsweise aus der WO 2006/066774 A1 bekannt. Die dort beschriebene Schließ- und Öffnungsvorrichtung ist für Schubladen-Ausziehführungen bestimmt, die ihrerseits mit einer an einer Korpuswand eines Möbelstücks zu befestigenden Führungsschiene und einer - gegebenenfalls unter Zwischenschaltung einer Mittelschiene - relativ zur Führungsschiene verschieblich gelagerten, an der Schublade befestigenden Laufschiene ausgestattet sind. Die Schließ- und Öffnungsvorrichtung umfasst eine Touch-Latch-Mechanik, die einen verschwenkbar am Ende einer Koppelstange angelegten Hebel aufweist, an dem ein Steuervorsprung ausgebildet ist, der in eine nach Art einer Herzkurve ausgebildeten Steuerkurve eingreift, wodurch die Koppelstange in zwei in ihrer Längsrichtung zueinander versetzte Stellungen verriegelt werden kann. Diese Verriegelung erfolgt durch eine unter Druckvorspannung stehende Schraubenfeder die versucht, die Koppelstange aus dem Inneren eines Gehäuses herauszudrücken. Durch Einschieben der Koppelstange wird der Steuervorsprung aus der jeweiligen Rastposition der Steuerkurve herausgeschoben, wodurch die Schublade ausgeworfen wird.Such a device is for example from the WO 2006/066774 A1 known. The closing and opening device described therein is intended for drawer pull-out guides, which are in turn equipped with a guide rail to be fastened to a cabinet wall of a piece of furniture and a sliding rail mounted on the drawer, possibly with the intermediary of a middle rail. The closing and opening device comprises a touch-latch mechanism having a pivotally mounted on the end of a coupling rod lever on which a control projection is formed, which engages in a formed like a heart cam cam, whereby the coupling rod in two in its longitudinal direction locked positions can be locked. This locking takes place by means of a coil under compression pretensioned coil which tries to push the coupling rod from the interior of a housing. By inserting the coupling rod is the tax advantage pushed out of the respective detent position of the control cam, whereby the drawer is ejected.

Bei derartigen Ausstoßeinheiten besteht das Problem, dass bei einem dynamischen Schließvorgang ein ungewolltes Auslösen (sogenannter Rebound-Effekt), der Ausstoßeinheit erfolgen kann, wodurch das bewegbare Möbelteil, beispielsweise Schublade, wieder ausgefahren wird.In such ejection units, there is the problem that in a dynamic closing operation, an unintentional triggering (so-called rebound effect), the ejection unit can take place, whereby the movable furniture part, such as drawer, is extended again.

Bei einem dynamischen Schließvorgang des bewegbaren Möbelteils kann ein weiteres Problem auftreten:
Wird das bewegbare Möbelteil mit mehr Energie geschlossen als notwendig ist, um eine Verriegelung der Ausstoßeinheit zu bewirken, kann es trotz Verriegelung der Ausstoßeinheit passieren, dass in Folge der Überschussenergie und der Trägheit des bewegbaren Möbelteils am bewegbaren Möbelteil bzw. dessen Führung ausgebildete Komponenten von den Komponenten der verriegelten Ausstoßeinheit abgerissen werden.In a dynamic closing of the movable furniture part may cause another problem:
If the movable furniture part is closed with more energy than necessary to effect a locking of the ejection unit, it may happen that despite the ejection unit being locked, components formed by the excess energy and the inertia of the movable furniture part on the movable furniture part or its guide Components of the locked ejection unit are demolished.

Schließlich sollen derartige Vorrichtungen für eine Notöffnung geeignet sein, bei der das bewegbare Möbelteil ohne Aktvierung der Touch-Latch-Funktion der Ausstoßeinheit von der Schließstellung, bei verriegelter Ausstoßeinheit, geöffnet werden kann, wobei sich dabei entsprechende mit dem bewegbaren Möbelteil mitbewegte Komponenten in einfacher Weise von den Komponenten der Ausstoßeinheit trennen sollen.Finally, such devices should be suitable for an emergency opening in which the movable furniture part can be opened without activating the touch-latch function of the ejection unit from the closed position, with the ejection unit locked, with corresponding components moving along with the movable furniture part in a simple manner to separate from the components of the ejection unit.

Aufgabe der Erfindung ist es daher, eine Vorrichtung zum Öffnen und Schließen eines bewegbaren Möbelteils der eingangs erwähnten Art zu schaffen, die zuverlässig handhabbar und einfach aufgebaut ist und mit der sich insbesondere die zuvor beschriebenen Probleme vermeiden lassen.The object of the invention is therefore to provide a device for opening and closing a movable furniture part of the type mentioned above, which is reliable and easy to handle and with which in particular can avoid the problems described above.

Diese Aufgabe wird durch eine Vorrichtung zum Öffnen und Schließen eines bewegbaren Möbelteils mit den Merkmalen des unabhängigen Anspruches 1 gelöst.This object is achieved by a device for opening and closing a movable furniture part with the features of independent claim 1.

Die Erfindung umfasst eine Vorrichtung zum Öffnen und Schließen eines bewegbaren Möbelteils mit den Merkmalen des unabhängigen Anspruches 1. Diese Vorrichtung umfasst eine Ausstoßeinheit, über die das bewegbare Möbelteil eine vorgegebene Wegstrecke eindrückbar und anschließend ausstoßbar ist, wobei die Ausstoßeinheit ein Basisteil und ein verschieblich am Basisteil geführtes und mittels Federmitteln gelagertes Auswerferteil aufweist. Die Vorrichtung ist so ausgebildet, dass das Auswerferteil in Schließrichtung des bewegbaren Möbelteils mittels Abstützmitteln am Basisteil abgestützt und in Öffnungsrichtung mittels der Federmittel federnd gelagert ist.The invention comprises a device for opening and closing a movable furniture part with the features of independent claim 1. This device comprises an ejection unit, via which the movable furniture part can be pressed in a predetermined distance and then ejected, wherein the ejection unit is a base part and a displaceable on the base part having guided and stored by means of spring means Auswerferteil. The device is designed such that the ejector part in the closing direction of the movable furniture part by means of support means on the base part supported and resiliently mounted in the opening direction by means of the spring means.

Durch die Federlagerung des Auswerferteils in Öffnungsrichtung wird das vorgenannte Problem vermieden, dass sich Komponenten der Ausstoßeinheit und mit dem bewegbaren Möbelteil mitbewegte Komponenten nicht zerstörungsfrei voneinander trennen, falls das bewegbare Möbelteil mit Überschussenergie in die Schließstellung bewegt wird. Ferner ist bei einer Notöffnung des bewegbaren Möbelteils ein leichtes Lösen der Komponenten der Ausstoßeinheit und der mit dem bewegbaren Möbelteil mitbewegten Komponenten möglich, da das ganze System in Ausstoßrichtung federnd gelagert ist. Zwar wird ein harter Anschlag in die Endstellung nicht verhindert, jedoch wird die Rückprallenergie nach dem Anschlagen mittels der Federmittel aufgefangen.Due to the spring mounting of the ejector part in the opening direction, the aforementioned problem is avoided in that components of the ejection unit and components moving together with the movable furniture part do not separate from one another in a destructive manner if the movable furniture part is moved into the closed position with excess energy. Further, in an emergency opening of the movable furniture part easy release of the components of the ejection unit and with the movable furniture part mitbewegten components is possible because the whole system is resiliently mounted in the ejection direction. Although a hard stop is not prevented in the end position, but the rebound energy is collected after striking by means of the spring means.

Bei einer erfindungsgemäßen Vorrichtung umfassen die Federmittel wenigstens eine Druckfeder, die sich einerseits an dem Basisteil und andererseits an dem Auswerferteil abstützt. Als Material für die Federmittel eignet sich Metall und/oder Kunststoff. Die Federmitteln können beispielsweise auch einen federelastisch nachgiebigen Materialstreifen der Ausstoßeinheit umfassen.In a device according to the invention, the spring means comprise at least one compression spring, which is supported on the one hand on the base part and on the other hand on the Auswerferteil. As material for the spring means is metal and / or plastic. The spring means may also comprise, for example, a resilient strip of material of the ejection unit.

Bei einer erfindungsgemäßen Vorrichtung weist das Auswerferteil ein Auswerfergehäuse auf, das zur Einstellung eines definierten Frontspalts des bewegbaren Möbelteils mittels Stellmittel linear verschieblich am Basisteil verstellbar ist.In a device according to the invention, the ejector part has an ejector housing, which can be adjusted in a linearly displaceable manner on the base part by means of adjusting means in order to set a defined front gap of the movable furniture part.

Die Stellmittel weist eine Stellmutter auf die drehbar am Basisteil gelagert ist, wobei die Stellmutter einen Stellkopf und einen daran angesetzten durchmesserkleineren, mit einem Stellgewinde versehenen Stellschaft aufweist, der mit einem im Auswerfergehäuse angeordneten Gegengewinde zusammenwirkt, wobei die Druckfeder konzentrisch auf dem Stellschaft sitzt und einerseits am Stellkopf und andererseits an einem am Basisteil ausgebildeten Widerlagerabschnitt abgestützt ist.The adjusting means comprises an adjusting nut which is rotatably mounted on the base part, wherein the adjusting nut has a control head and an attached smaller-diameter, provided with a threaded actuator society, which cooperates with a arranged in the ejector counter thread, wherein the compression spring concentric sitting on the society and on the one hand is supported on the adjusting head and on the other hand on an abutment portion formed on the base part.

Die Erfindung umfasst ferner ein Möbelteil mit den Merkmalen des unabhängigen Anspruches 2 sowie ein Möbel mit den Merkmalen des unabhängigen Anspruches 3. Bevorzugte Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im Folgenden näher erläutert. In der Zeichnung zeigen:

Figur 1
eine Draufsicht auf ein erstes Ausführungsbeispiel der erfindungsgemäßen Vorrichtung,
Figur 2
eine vergrößerte Darstellung der Einzelheit X aus Figur 1,
Figur 3
eine vergrößerte Darstellung der Einzelheit Y von Figur 1,
Figur 4
eine nochmalig vergrößerte Darstellung der Einzelheit X von Figur 1,
Figur 5
eine perspektivische Darstellung eines nicht erfindungsgemäßen Vorrichtung,
Figur 6
eine perspektivische Darstellung eines zweiten Ausführungsbeispiels der erfindungsgemäßen Vorrichtung,
Figur 7
eine perspektivische Darstellung eines dritten Ausführungsbeispiels der erfindungsgemäßen Vorrichtung und
Figur 8
eine vergrößerte seitlich perspektivische Ansicht der Einzelheit Z von Figur 7.
The invention further comprises a furniture part having the features of independent claim 2 and a piece of furniture having the features of independent claim 3. Preferred embodiments of the invention are illustrated in the drawing and are explained in more detail below. In the drawing show:
FIG. 1
a plan view of a first embodiment of the device according to the invention,
FIG. 2
an enlarged view of the detail X from FIG. 1 .
FIG. 3
an enlarged view of the detail Y of FIG. 1 .
FIG. 4
a further enlarged view of the detail X of FIG. 1 .
FIG. 5
a perspective view of a device not according to the invention,
FIG. 6
a perspective view of a second embodiment of the device according to the invention,
FIG. 7
a perspective view of a third embodiment of the device according to the invention and
FIG. 8
an enlarged side perspective view of the detail Z of FIG. 7 ,

Die Figuren 1 bis 4 zeigen ein erstes Ausführungsbeispiel der erfindungsgemäßen Vorrichtung 11 zum Öffnen und Schließen eines bewegbaren Möbelteils 12. Die Vorrichtung 11 ist hier beispielhaft beim Einsatz eines als Schublade ausgebildeten bewegbaren Möbelteils 12 gezeigt und beschrieben. Es ist selbstverständlich möglich, die Vorrichtung auch an anderen bewegbaren Möbelteilen, beispielsweise an einer Tür oder an einer Klappe, einzusetzen.The FIGS. 1 to 4 show a first embodiment of the device 11 according to the invention for opening and closing a movable furniture part 12. The device 11 is shown and described here by way of example when using a designed as a drawer movable furniture part 12. It is of course possible to use the device on other movable furniture parts, for example on a door or on a flap.

Die Schublade ist mittels einer Führungseinrichtung 13 relativ zu einem Möbelkorpus (nicht dargestellt) verschieblich gelagert. Die Führungseinrichtung 13 umfasst mehrere Führungseinheiten 14, die an einander entgegengesetzt liegenden Seitenrändern der Schublade angeordnet sind. Von den Führungseinheiten 14 ist beispielhaft lediglich eine dargestellt. Die Führungseinheit 14 besitzt eine Korpusschiene 15, die beispielsweise als umgebogenes Blechbauteil ausgestaltet sein kann. Die Korpusschiene 15 ist über geeignete Befestigungsmittel an einer zugeordneten Seitenwand einer im Möbelkorpus ausgebildeten Schubladenaufnahme positionsfest befestigt. An der Korpusschiene 15 ist eine Mittelschiene 16 verschieblich gelagert, an der wiederum eine Auszugsschiene 17 mittels Lagermitteln (nicht dargestellt) verschieblich geführt ist. Die Auszugsschiene 17, die auch als Bewegungsschiene bezeichnet werden kann, ist der Schublade zugeordnet und verläuft unterhalb des Schubladen-Bodens in Tiefenrichtung. Die Kombination aus Korpusschiene 15, Mittelschiene 16 und Auszugsschiene 17 wird Vollauszug genannt. Es ist jedoch auch denkbar, Führungseinheiten ohne Mittelschiene zu verwenden.The drawer is slidably mounted by means of a guide device 13 relative to a furniture body (not shown). The guide device 13 comprises a plurality of guide units 14, which are arranged on mutually opposite side edges of the drawer. Of the guide units 14 only one example is shown. The guide unit 14 has a carcass rail 15, which may be configured, for example, as a bent sheet-metal component. The carcass rail 15 is connected via suitable fastening means on an associated side wall of a furniture body trained drawer mount fixed position. On the carcass rail 15, a middle rail 16 is slidably mounted, on which in turn a drawer rail 17 by means of bearing means (not shown) is displaceably guided. The pull-out rail 17, which can also be referred to as a movement rail, is assigned to the drawer and extends below the drawer bottom in the depth direction. The combination of carcass rail 15, middle rail 16 and pull-out rail 17 is called full extension. However, it is also conceivable to use guide units without middle rail.

Die Vorrichtung umfasst eine Ausstoßeinheit 18, über die die Schublade eine vorgegebene Wegstrecke eindrückbar und anschließend ausstoßbar ist. Die Ausstoßeinheit 18 ist als vormontierte Baugruppe derart ausgebildet, dass sie an der Schublade oder an einem an der Schublade angebrachten oder anbringbaren Vorrichtungsteil mittels Befestigungsmitteln befestigbar oder befestigt ist. Bei dem Vorrichtungsteil handelt es sich gemäß dem ersten Ausführungsbeispiel um die Korpusschiene 15. Die Ausstoßeinheit 18 ist folglich als vormontierte Baugruppe an der Korpusschiene 15 befestigt. Die Ausstoßeinheit 18 könnte auch als Touch-Latch-Vorrichtung bezeichnet werden.The device comprises an ejection unit 18, via which the drawer can be pressed in for a predetermined distance and then ejected. The ejection unit 18 is designed as a preassembled module in such a way that it can be fastened or fastened to the drawer or to a device part attached or attachable to the drawer by means of fastening means. The device part according to the first embodiment is the carcass rail 15. The ejection unit 18 is consequently attached to the carcass rail 15 as a preassembled module. The ejection unit 18 could also be referred to as a touch-latch device.

Wie insbesondere in Figur 1 dargestellt, besitzt die Ausstoßeinheit 18 ein ortsfest an der Korpusschiene 15 montierbares Basisteil 19, das beispielsweise schienenartig ausgestaltet ist und gemäß erstem Ausführungsbeispiel aus Kunststoff besteht. Die Ausstoßeinheit 18 umfasst ferner noch ein Auswerferteil 20, das an dem Basisteil 19 verschieblich geführt ist. Das Auswerferteil 20 wiederum umfasst ein Auswerfergehäuse 21, in dem ein Auswerferstößel 22 zwischen einer mittels Verriegelungsmitteln erzeugten Verriegelungsstellung und einer mit Hilfe von Federkraft einer Auswurffeder 23 einnehmbaren Ausfahrstellung linear verschieblich geführt ist. Am vorderen Ende des Auswerferstößels 22 ist ein Kupplungsteil vorgesehen, das mit dem vorderen Ende des Auswerferstößels 22 gekuppelt ist, beispielsweise mittels einer Rastkupplung 24. Diese Rastkupplung ist in nachfolgend noch näher beschriebener Weise bei der Notöffnung der Schublade vom Auswerferstößel 22 lösbar. An der Rastkupplung 24 ist eine Rastklinke 25 schwenkbar gelagert, die ihrerseits mit einem Mitnehmer an der Auszugsschiene 17 koppelbar ist. Beim Öffnen der Schublade durch Aktivierung der Ausstoßeinheit 18 besteht über die Rastklinke 25 und den Mitnehmer eine Kopplung zwischen dem Auswerferstößel 22 und der Schublade, wodurch die Auswurffeder 23 ihre Federenergie über den Auswerferstößel 22 und die Rastklinke 25 an die Schublade weitergibt, die dann ausgeworfen wird. Beim weiteren Öffnen der Schublade rastet die Rastklinke in eine am Basisteil 19 der Ausstoßeinheit 18 vorgesehene Rastkerbe 26 ein, wodurch eine Abkopplung von Rastklinke und Mitnehmer, beispielsweise Fanghaken, erfolgt, so dass die Schublade unabhängig von Rastklinke 25 und Auswerferstößel 22 noch weiter herausgezogen werden kann.As in particular in FIG. 1 shown, the ejection unit 18 has a stationary on the carcass rail 15 mountable base part 19, which is designed for example like a rail and according to the first embodiment consists of plastic. The ejection unit 18 further comprises an ejector part 20, which is displaceably guided on the base part 19. The ejector part 20 in turn comprises an ejector housing 21, in which an ejector ram 22 between a locking position generated by means of locking means and a by means of spring force of an ejection spring 23 engageable extension position is guided linearly displaceable. At the front end of the ejector ram 22, a coupling part is provided, which is coupled to the front end of the ejector ram 22, for example by means of a latching coupling 24. This latching coupling is in the manner described in more detail later in the emergency opening of the drawer from the ejector ram 22 solvable. At the latching coupling 24, a latching pawl 25 is pivotally mounted, which in turn can be coupled with a driver on the pull-out rail 17. When the drawer is opened by activating the ejection unit 18, there is a coupling between the ejector plunger 22 and the drawer via the detent pawl 22 and the drawer, whereby the ejection spring 23 transmits its spring energy via the ejector plunger 22 and the latching pawl 25 to the drawer, which is then ejected , Upon further opening of the drawer, the latch engages in a provided on the base part 19 of the ejection unit 18 notch 26, whereby a decoupling of latch and driver, such as fishing hooks, so that the drawer can be pulled out independently of pawl 25 and ejector ram 22 even further ,

Die Ausstoßeinheit 18 besitzt Verriegelungsmittel, mit denen sich der Auswerferstößel in einer Verriegelungsstellung verriegeln lässt. Die Verriegelungsmittel umfassen einen Steuerhebel (nicht dargestellt), der an dem Ende des Auswerferstößels, das dem mit der Rastkupplung versehenen anderen Ende entgegengesetzt liegt, schwenkbar gelagert ist. Der Steuerhebel greift beispielsweise mit einem von dem Steuerhebel nach unten abragenden Steuerzapfen in eine am Auswerfergehäuse 21 ausgebildete Steuerkurve ein, die nach Art einer Herzkurve ausgebildet ist und damit definierte Stellungen des Steuerhebels vorgibt. Die Ausgestaltung solcher Verriegelungsmittel ist beispielsweise der WO 2006/066774 A1 zu entnehmen.The ejection unit 18 has locking means with which the ejector plunger can be locked in a locking position. The locking means comprise a control lever (not shown) which is pivotally mounted at the end of the ejector plunger opposite the other end provided with the detent coupling. The control lever engages, for example, with a projecting from the control lever down control pin in a formed on the ejector 21 control cam, which is designed in the manner of a heart curve and thus defines defined positions of the control lever. The embodiment of such Locking means is for example the WO 2006/066774 A1 refer to.

Die Auswurffeder 23 ist konzentrisch zum Auswerferstößel 22 angeordnet und versucht den Auswerferstößel 22 aus dem Auswerfergehäuse 21 mit Federkraft herauszudrücken. Dabei stützt sich die Auswurffeder 23 am hinteren Ende des Auswerfergehäuses 21 ab und drückt andererseits auf den Auswerferstößel. Beim Schließen der Schublade muss also gegen die Kraft der Auswurffeder 23 gedrückt werden bis der Steuerzapfen am Steuerhebel in eine Raststellung der herzkurvenähnlichen Steuerkurve einrastet, wodurch einerseits die Auswurffeder gespannt und andererseits der Auswerferstößel 22 gegen Ausfahren aus dem Auswerfergehäuse 21 gesichert ist.The ejection spring 23 is arranged concentrically to the ejector ram 22 and tries to push the ejector ram 22 out of the ejector housing 21 with spring force. In this case, the ejection spring 23 is supported at the rear end of the ejector 21 and on the other hand presses on the ejector ram. When closing the drawer must therefore be pressed against the force of the ejection spring 23 until the control pin engages the control lever in a detent position of the heart cam curve, whereby on the one hand the ejection spring tensioned and on the other hand the ejector 22 is secured against extension from the ejector 21.

Wie insbesondere in Figur 4 dargestellt, ist das Auswerfergehäuse 21 zur Einstellung eines definierten Frontspalts der Schublade mittels Stellmitteln linear verschieblich am Basisteil 19 verstellbar gelagert. Die Stellmittel umfassen eine Stellmutter 27, verschieblich gegenüber dem Basisteil 19 gelagert ist. Die Stellmutter besitzt einen Stellkopf 28 und einen daran angesetzten durchmesserkleineren, mit einem Stellgewinde versehenen Stellschaft 30, der mit einem am Auswerfergehäuse 21 angeordneten Gegengewinde zusammenwirkt. Das Gegengewinde 31 wird beispielsweise von einem an die Stirnseite des Auswerfergehäuses 21 abragenden, einstückig mit diesem ausgebildeten Gewindeabschnitt gebildet. Dabei durchsetzt das Gegengewinde 31 einen Widerlagerabschnitt 32, der insbesondere einstückig am Basisteil 19 ausgebildet ist und in die Verstellausnehmung bzw. Aufnahme des Auswerfergehäuses 21 im Basisteil 19 hineinragt. Der Widerlagerabschnitt 32 und das hintere Ende der Auswerfergehäuse-Aufnahme begrenzen eine Stellausnehmung 33 für die Stellmutter 27, dessen Länge kürzer ist als die Länge der Stellausnehmung 33.As in particular in FIG. 4 illustrated, the ejector housing 21 for adjusting a defined front gap of the drawer by means of adjusting means linearly displaceable on the base part 19 is adjustably mounted. The adjusting means comprise an adjusting nut 27, displaceably mounted relative to the base part 19. The adjusting nut has a control head 28 and an attached therewith smaller-diameter, provided with a threaded adjustment Stül 30, which cooperates with a arranged on the ejector 21 counter thread. The mating thread 31 is formed, for example, by a protruding on the end face of the ejector 21, integrally formed with this threaded portion. Here, the mating thread 31 passes through an abutment portion 32, which is in particular integrally formed on the base part 19 and projects into the Verstellausnehmung or recording of the ejector 21 in the base part 19. The abutment portion 32 and the rear end of the ejector housing receptacle define a Stellausnehmung 33 for the adjusting nut 27, whose length is shorter than the length of the adjusting recess 33rd

Ein wichtiger Aspekt der Erfindung ist, dass das Auswerferteil in Schließrichtung des bewegbaren Möbelteils mittels Abstützmitteln am Basisteil abgestützt und in Öffnungsrichtung mittels Federmitteln federnd gelagert ist. Wie insbesondere in Figur 4 dargestellt, lässt sich das Auswerfergehäuse 21 zusammen mit der Stellmutter 27 innerhalb der Auswerfergehäuse-Aufnahme verschieben. Dabei zählt der Stellkopf 28 der Stellmutter 27 zu den Abstützmitteln, der, wie in Figur 2 dargestellt, mit seiner Stirnseite an das hintere Ende der Auswerfergehäuse-Aufnahme bzw. hintere Ende der Stellausnehmung 33 anschlagbar ist. Die Federmittel umfassen eine Druckfeder 34, die sich einerseits an dem Widerlagerabschnitt 32 des Basisteils 19 und andererseits an der Unterseite des Stellkopfs 28 der Stellmutter abstützt, wobei die Druckfeder 34 den Stellschaft 30 konzentrisch umschließt. Wie insbesondere in den Figuren 2 und 4 dargestellt, ist die Gesamtlänge der Stellmutter 27 kürzer als die Länge der Stellausnehmung 33, so dass beispielsweise in der in Figur 2 dargestellten Situation der Stellschaft mit Abstand zum Widerlagerabschnitt 32 liegt.An important aspect of the invention is that the ejector part is supported in the closing direction of the movable furniture part by means of support means on the base part and is resiliently mounted in the opening direction by means of spring means. As in particular in FIG. 4 shown, the ejector housing 21 can be moved together with the adjusting nut 27 within the Auswerfergehäuse recording. In this case, the adjusting head 28 of the adjusting nut 27 counts to the support means, as in FIG. 2 shown, with its front side to the rear end of the ejector housing receptacle and rear end of the adjusting recess 33 can be stopped. The spring means comprise a compression spring 34 which is supported on the one hand on the abutment portion 32 of the base part 19 and on the other hand on the underside of the adjusting head 28 of the adjusting nut, wherein the compression spring 34 concentrically surrounds the stomping 30. As in particular in the Figures 2 and 4 shown, the total length of the adjusting nut 27 is shorter than the length of the adjusting recess 33, so that, for example, in the in FIG. 2 represented situation of the society is at a distance from the abutment portion 32.

Durch die Druckfeder 34 wird eine Federlagerung des Auswerferteils in Öffnungsrichtung erzielt, wodurch sich folgende Vorteile ergeben:
Beim dynamischen Schließen der Schublade wird die Schublade durch den Benutzer mit Überschussenergie in die Schließstellung bewegt. Die Schließkraft richtet sich dabei gegen die Federkraft der Auswurffeder 23, die beim Schließen gespannt wird. Gleichzeitig wird der Auswerfstößel 22 in das Auswerfergehäuse 21 hineingedrückt und der Steuernocken am Steuerhebel am Ende des Auswerferstößels fährt die herzkurvenähnliche Steuerkurve entlang. Wie in Figur 2 dargestellt wird das Auswerferteil 20 insgesamt verschoben, bis in der Endstellung der Schublade die Stirnseite des Stellkopfes 28 der Stellmutter 27 an das hintere Ende der Stellausnehmung 33 anschlägt. Da die Schublade mit Überschussenergie in die Schließstellung gelangt, besteht der Bedarf, dass diese Überschussenergie abgebaut wird, selbst wenn der Steuernocken in seiner Raststellung in der Herzkurve eingerastet ist. Der Abbau der Überschussenergie erfolgt über die Druckfeder 34, die in Öffnungsrichtung wirkt und daher die Energie nach dem Anschlag des Auswerferteils, wenn sich dieses anschließend wieder in Öffnungsrichtung bewegt, aufnimmt. Diese Situation ist in Figur 4 dargestellt. Dabei wird die Druckfeder gespannt. Der Stellweg wird durch die Abmessung der Stellmutter 27 begrenzt, deren Unterseite des Schafts in Anlage zu dem Widerlagerabschnitt 32 kommt. Das federgelagerte Auswerferteil 20 verhindert also, dass nachdem die Schublade in ihre Endstellung angeschlagen ist bei der anschließenden Rückbewegung in der Öffnungsrichtung bei verriegelndem Auswerferstößel derart große Kräfte auf die Verbindung zwischen dem Auswerferstößel und der Rastkupplung kommen, dass es dort zu einem Abreißen bzw. Brechen des Materials kommt. Ferner ermöglicht die Druckfeder, eine zuverlässige Notöffnung der Schublade ohne Aktivierung der Touch-Latch-Funktion der Ausstoßeinheit. Dann nämlich wird die Schublade in ihrer Schließstellung ohne Eindrücken geöffnet, wobei der Auswerferstößel 22 eingerastet bleibt. Der Auswerferstößel kann also nicht weiter aus dem Auswerfergehäuse herausgezogen werden. Dennoch besteht eine Verbindung zwischen der Schublade über die Rastklinke und die Rastkupplung mit dem Auswerferstößel, die bei der Notöffnung gelöst werden muss. Durch die federnde Lagerung des Auswerferteils ist auch dies ohne Weiteres und ohne Materialbruch möglich.By the compression spring 34, a spring mounting of the ejector part is achieved in the opening direction, resulting in the following advantages:
During dynamic closing of the drawer, the drawer is moved by the user with excess energy into the closed position. The closing force is directed against the spring force of the ejection spring 23, which is tensioned when closing. At the same time the Auswerststößel 22 is pressed into the ejector housing 21 and the cam on Control lever at the end of the ejector ram drives along the cardioid-like cam. As in FIG. 2 shown the ejector member 20 is displaced in total, until in the end position of the drawer, the end face of the adjusting head 28 of the adjusting nut 27 abuts against the rear end of the adjusting recess 33. Since the drawer with excess energy enters the closed position, there is a need that this excess energy is reduced, even if the control cam is engaged in its detent position in the heart curve. The reduction of the excess energy via the compression spring 34, which acts in the opening direction and therefore the energy after the stop of the Auswerferteils, when this then moves back in the opening direction, receives. This situation is in FIG. 4 shown. The compression spring is tensioned. The travel is limited by the dimension of the adjusting nut 27, the underside of the stem comes into abutment with the abutment portion 32. The spring-mounted ejector 20 thus prevents after the drawer is struck in its end position in the subsequent return movement in the opening direction with locking ejector plunger so large forces on the connection between the ejector and the detent coupling come that there is a tearing or breaking of the Material is coming. Further, the compression spring allows a reliable emergency opening of the drawer without activating the touch-latch function of the ejection unit. Then namely the drawer is opened in its closed position without pressing, the ejector ram 22 remains engaged. The ejector plunger can therefore not be pulled out of the ejector housing. Nevertheless, there is a connection between the drawer over the latch and the detent with the ejector plunger, which must be solved in the emergency opening. Due to the resilient mounting of Auswerferte this is also possible without further notice and without material.

Schließlich verhindert die Druckfeder auch einen Rebound-Effekt, d.h. ein ungewolltes Auslösen der Touch-Latch-Funktion dann nämlich, wenn die Touch-Latch-Funktion ungewollt ausgelöst wird, indem der Steuerzapfen aus seiner Raststellung herauskommt.Finally, the compression spring also prevents a rebound effect, i. an unintentional triggering of the touch latch function, namely, when the touch latch function is triggered unintentionally by the control pin comes out of its detent position.

Figur 5 zeigt eine nicht erfindungsgemäßen Vorrichtung 11. Dieses nicht erfindungegemäßen Beispiel unterscheidet sich von dem zuvor beschriebenen ersten Ausführungsbeispiel dadurch, dass anstelle der Federmittel eine Dämpfungseinrichtung 35 mit wenigstens einem Dämpfer 36 zur Dämpfung der Schließbewegung der Schublade beim Einfahren in die Schließstellung vorgesehen ist. Gemäß diesem Beispiel ist der Dämpfer 36 ein von der Ausstoßeinheit 18 separates Bauteil, das gemäß diesem Beispiel in Öffnungsrichtung hinter dem Auswerferteil sitzt. Hierbei durchsetzt der Auswerferstößel 22 das Auswerfergehäuse 21 und tritt an der Rückseite des Auswerfergehäuses 21 heraus, wobei das rückwärtige Ende des Auswerferstößels 22 mit dem Dämpfer 36 zusammenwirkt. Ansonsten ist der Aufbau der Ausstoßeinheit 18 mit Basisteil 19, Auswerferteil 20, Auswerfergehäuse 21 und der dort untergebrachten Steuerkurve sowie dem Auswerferstößel 22 mit Rastklinke 25 und Steuerhebel identisch zum ersten Ausführungsbeispiel, so dass die Beschreibung auch hier zutrifft. FIG. 5 shows a non-inventive device 11. This invention not erfindungegemäßen differs from the first embodiment described above in that instead of the spring means a damping device 35 is provided with at least one damper 36 for damping the closing movement of the drawer when retracting into the closed position. According to this example, the damper 36 is a separate component from the ejection unit 18, which is located behind the ejection member in the opening direction according to this example. Here, the ejector ram 22 passes through the ejector housing 21 and emerges at the back of the ejector 21, wherein the rear end of the ejector ram 22 cooperates with the damper 36. Otherwise, the structure of the ejection unit 18 with base part 19, ejector part 20, ejector housing 21 and the control cam housed there and the ejector ram 22 with latch 25 and control lever is identical to the first embodiment, so that the description also applies here.

Der Dämpfer 36 ist als Kolbendämpfer ausgeführt, mit einem Dämpfergehäuse 37 und einem im Dämpfergehäuse 37 gelagerten Dämpferkolben 38, die relativ zueinander verschieblich gelagert sind. Im Beispielsfall ist das Dämpfergehäuse 37 ortsfest am Basisteil der Ausstoßeinheit 18 befestigt, während der Dämpferkolben 38 verschieblich im Dämpfergehäuse 37 gelagert ist. Das hintere Ende des Auswerferstößels 22 wirkt mit dem Dämpferkolben 38 zusammen.The damper 36 is designed as a piston damper, with a damper housing 37 and a damper piston 37 mounted in the damper housing 38, which are mounted relative to each other displaceable. In the example, the damper housing 37 is fixedly secured to the base part of the ejection unit 18 while the damper piston 38 is slidably mounted in the damper housing 37. The rear end of the ejector ram 22 cooperates with the damper piston 38.

Beim dynamischen Schließen der Schublade mit Überschussenergie wird der Auswerferstößel 22 relativ zum Auswerfergehäuse 21 bewegt, wobei das hintere Ende des Auswerferstößels in Kontakt mit dem Dämpferkolben 38 kommt, wodurch ein Dämpfvorgang eingeleitet wird, so dass die Überschussenergie abgebaut wird. Dadurch wird der zuvor beschriebene Rebound-Effekt, d.h. das ungewollte Wiederausfahren der Schublade verhindert.Upon dynamically closing the drawer with excess energy, the ejector plunger 22 is moved relative to the ejector housing 21, with the rear end of the ejector plunger coming into contact with the damper piston 38, thereby initiating a steaming operation, so that the excess energy is dissipated. This will produce the previously described rebound effect, i. prevents unwanted reopening of the drawer.

Figur 6 zeigt ein zweites Ausführungsbeispiel der erfindungsgemäßen Vorrichtung 11. Der Aufbau der Ausstoßeinheit 18 ist identisch zum ersten Ausführungsbeispiel, so dass deren Beschreibung auch für das zweite Ausführungsbeispiel gilt. Insbesondere ist wie beim ersten Ausführungsbeispiel auch hier eine zwischen Stellmutter und Widerlagerpartie eingespannte Druckfeder vorgesehen. Im Unterschied zum zuvor beschriebenen nicht erfindungsgemäßen Beispiel ist der Dämpfer 36 bei diesem Ausführungsbeispiel in die Ausstoßeinheit 18 integriert. Dies ergibt insgesamt eine relativ kompakte Bauweise. Dies kann beispielsweise dadurch erfolgen, dass das Auswerfergehäuse 21 gleichzeitig auch als Dämpfergehäuse 37 fungiert und der Dämpferkolben (nicht dargestellt) am Auswerferstößel 22 sitzt. FIG. 6 shows a second embodiment of the device 11 according to the invention. The structure of the ejection unit 18 is identical to the first embodiment, so that its description also applies to the second embodiment. In particular, as in the first embodiment, a compression spring clamped between adjusting nut and abutment section is also provided here. In contrast to the example not described above, the damper 36 is integrated in this embodiment in the ejection unit 18. This results in a total of a relatively compact design. This can be done, for example, that the ejector housing 21 also acts as a damper housing 37 and the damper piston (not shown) sits on the ejector ram 22.

Schließlich zeigen die Figuren 7 und 8 ein drittes Ausführungsbeispiel der erfindungsgemäßen Vorrichtung 11. Der Aufbau der Ausstoßeinheit 18 ist identisch zum ersten Ausführungsbeispiel, so dass deren Beschreibung auch für das dritte Ausführungsbeispiel gilt. Insbesondere ist wie beim ersten Ausführungsbeispiel auch hier eine zwischen Stellmutter und Widerlagerpartie eingespannte Druckfeder vorgesehen. Die Vorrichtung 11 umfasst eine Kopplungseinrichtung 39 mittels der Laufschienen der Führungseinrichtung 14, beispielsweise die beiden Auszugschienen 17, synchron bewegungsgekoppelt sind. Im Beispielsfall wirkt der Dämpfer mit der Kopplungseinrichtung 39 zusammen. Die Kopplungseinrichtung 39, die auch als Synchronisiereinheit bezeichnet werden kann, ist im Beispielsfall als Baueinheit an der Führungseinheit 14 befestigt, wobei der Dämpfer 36 auf die Kopplungseinrichtung 39 gesteckt ist. Die Kopplungseinrichtung 39 umfasst relativ zueinander bewegliche Komponenten, von denen eine Komponente beim Schließen der Schublade auf den Dämpferkolben 38 wirkt und dadurch ein Dämpfungsvorgang einleitet.Finally, the show FIGS. 7 and 8 A third embodiment of the device 11 according to the invention. The construction of the ejection unit 18 is identical to the first embodiment, so that its description also applies to the third embodiment. In particular, as in the first embodiment, a between adjusting nut and Abstützpartie clamped compression spring provided. The device 11 comprises a coupling device 39 by means of the rails of the guide device 14, for example, the two slide rails 17 are synchronously coupled motion. In the example, the damper cooperates with the coupling device 39. The coupling device 39, which can also be referred to as a synchronizing unit, is fastened in the example as a structural unit to the guide unit 14, wherein the damper 36 is placed on the coupling device 39. The coupling device 39 comprises relatively movable components, of which one component acts on the damper piston 38 when closing the drawer and thereby initiates a damping process.

Claims (3)

  1. Device for the opening and closing of a movable furniture part, in particular a drawer, door or flap, with an ejector unit, via which the movable furniture part (12) may be pushed in and then pushed out over a preset distance, wherein the ejector unit (18) has a base part (19) and an ejector part (20) guided movably on the base part (19) and supported by spring means (34), wherein the ejector part (20) in the closing direction of the movable furniture part (12) rests on the base part (19) with support means and in the opening direction has sprung support from the spring means (34), wherein the spring means (34) comprise at least one compression spring (34) which rests at one end on the base part (19) and at the other end on the ejector part (20), and wherein the ejector part (20) has an ejector housing (21), which may be adjusted by adjusting means, through linear movement in an ejector housing seating on the base part (19), for the setting of a defined frontal gap of the movable furniture part (12), wherein the adjusting means have an adjusting nut (27) which is mounted rotatably on the base part (19), wherein the adjusting nut (27) has an adjusting head (28), and an adjusting shaft (30) attached to the former and of smaller diameter, which works in conjunction with a counter-thread (31) located on the ejector housing (21) and passing through a thrust bearing section (32) formed on the base part (19), wherein the thrust bearing section (32) extends into the ejector housing seating (21) in the base part (19), wherein the thrust bearing section (32) and a rear end of the ejector housing seating delimit an adjusting recess (33) for the adjusting nut (27), the length of which is shorter than the length of the adjusting recess (33), wherein the compression spring (34) rests concentrically on the adjusting shaft (30) and is supported at one end on the adjusting head (28) and at the other end on the thrust bearing section (32), wherein the adjusting head (28) which belongs to the support means may be struck on the rear end of the ejector housing seating, and the compression spring rests at one end on the thrust bearing section (32) and at the other end on the underside of the adjusting head (28).
  2. Furniture part, in particular a drawer, characterised by a device according to claim 1.
  3. Piece of furniture with at least one movable furniture part, in particular a drawer, characterised by a device according to claim 1.
EP13001880.7A 2012-04-11 2013-04-11 Device for opening and closing a movable furniture part Active EP2649906B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012003537U DE202012003537U1 (en) 2012-04-11 2012-04-11 Device for opening and closing a movable furniture part

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EP2649906A2 EP2649906A2 (en) 2013-10-16
EP2649906A3 EP2649906A3 (en) 2016-07-20
EP2649906B1 true EP2649906B1 (en) 2019-10-02

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DE202015104434U1 (en) 2015-08-21 2016-11-22 Grass Gmbh Device for moving a movable furniture part and furniture with a device for moving a movable furniture part
DE202015104437U1 (en) * 2015-08-21 2016-11-22 Grass Gmbh Device for moving a movable furniture part in an opening direction with respect to a furniture body of a piece of furniture
DE202015104436U1 (en) * 2015-08-21 2016-11-22 Grass Gmbh Device for moving a movable furniture part in an opening direction with respect to a furniture body of a piece of furniture
DE202015104435U1 (en) * 2015-08-21 2016-11-22 Grass Gmbh Device for moving a movable furniture part in an opening direction with respect to a furniture body of a piece of furniture
DE202015104430U1 (en) 2015-08-21 2016-11-22 Grass Gmbh Device for moving a movable furniture part in an opening direction with respect to a furniture body of a piece of furniture
TWI629027B (en) * 2017-03-20 2018-07-11 川湖科技股份有限公司 Synchronization system for slide rail assembly
DE102017128747B4 (en) * 2017-12-04 2022-09-01 Grass Gmbh Movement mechanism for a guidance system
DE102023115162A1 (en) 2023-06-09 2024-12-12 Grass Gmbh Device for opening and closing a movable furniture part

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AT413933B (en) * 2003-05-19 2006-07-15 Blum Gmbh Julius FURNITURE WITH A MOVABLE FURNITURE
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DE202012003537U1 (en) 2013-07-15
EP2649906A3 (en) 2016-07-20

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