EP2007248B1 - Drive unit for displaceable furniture parts - Google Patents

Drive unit for displaceable furniture parts Download PDF

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Publication number
EP2007248B1
EP2007248B1 EP07727653.3A EP07727653A EP2007248B1 EP 2007248 B1 EP2007248 B1 EP 2007248B1 EP 07727653 A EP07727653 A EP 07727653A EP 2007248 B1 EP2007248 B1 EP 2007248B1
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EP
European Patent Office
Prior art keywords
drive device
sensor
ejector
movable
furniture part
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.)
Not-in-force
Application number
EP07727653.3A
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German (de)
French (fr)
Other versions
EP2007248A1 (en
Inventor
Thorsten Niedick
Michael Rene Amon
Uwe Sobolewski
Oliver Schael
Eyyahi Dincdemir
Thorsten Karrasch
Andreas KÄTHLER
Stefan Frye
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.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
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Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP2007248A1 publication Critical patent/EP2007248A1/en
Application granted granted Critical
Publication of EP2007248B1 publication Critical patent/EP2007248B1/en
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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
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening
    • 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
    • A47B88/457—Actuated drawers operated by electrically-powered actuation means

Definitions

  • the present invention relates to a drive device for movable furniture parts, in particular drawers, with an ejector, by means of which a movable furniture part is movable from a closed position to an at least partially open position, and at least one sensor by means of which a movement of the ejector can be triggered.
  • the publication WO 2006/017863 relates to a drive device for a movable furniture part with an ejection device, which can be activated via a switch.
  • the switch is designed in two parts, with a designed as a control element first part, which is arranged on a front panel of a movable furniture part, and a second part, which is arranged on the furniture body. Manual actuation of the first part is transmitted mechanically or by radio to the second part of the switch. It is therefore a movable relative to the furniture part control required, which is often undesirable for structural and design reasons.
  • the publication EP 1 323 364 A1 shows a drive device for a movable furniture part.
  • tact switches are provided, which are both arranged on a handle of the movable furniture part, for example.
  • the push-buttons are positioned so that the actuating movement takes place in the direction of the desired movement of the furniture part.
  • the handle or a front panel of the movable furniture part is designed as an operating element of the pushbutton switch, so that a corresponding pulling or pushing movement on this part actuates the pushbutton switch.
  • a control element that is movable relative to the furniture part is therefore necessary for activating the drive device.
  • the AT 2004 01379 A5 shows a piece of furniture with an ejector having a lever with a contact switch. Upon reaching a certain position of the lever, the contact switch can trigger and eject the movable furniture part away from the furniture body.
  • the setting and determination of the switching point is relatively difficult and it can easily lead to incorrect operation.
  • the at least one sensor comprises a pushbutton resting against the movable furniture part, at least in the closed position, whereby pulses are transmitted via the sensor during a movement of the pushbutton over a predetermined path be generated and the movement of the furniture part to trigger the ejector by counting the pulses can be detected via the button.
  • the function of detecting the position or a movement of the furniture part is decoupled from the mechanical function of Ausbies of the furniture part so far that both components so the sensor and the ejector, can be mounted separately. Thereby, and by detecting the movement over a predetermined distance is avoided that a previously defined switching point is present, which requires a particularly accurate adjustment of the position of the ejector relative to the movable furniture part. Rather, the sensor can take over a certain tolerance compensation and positioning is independent of this. For triggering the ejector, it is thus not necessary to detect an exact position (switching point) of the movable furniture part. Ejecting is to be done when a user has deliberately moved the movable furniture part in one direction or the other. Then this can be signaled by the sensor to trigger the ejector. However, the detection of a movement is not necessarily bound to the detection or consideration of an exact position of the furniture part.
  • the movable furniture part is resiliently held in the closed position and movable for triggering the ejector both in the furniture body in and out.
  • the triggering of the ejector by the user can be made intuitively, since the furniture part can both be pressed in and pulled out to trigger the drive of the ejector. It is of course also possible to make a triggering of the ejector only when the movable furniture part is pressed in, for example, if no handle element is present.
  • the button is preferably resiliently against the movable furniture part. As a result, before the closed position of the button movement with the movable Execute furniture part and then detect its movement through the sensor coupled to the button.
  • an optical sensor for detecting the movement of the probe is provided.
  • the sensor can have at least one grid foil which can be moved relative to a light barrier, so that pulses can be converted to control signals by moving the grid foil.
  • the push-button is connected to a rack by means of which a grid plate arranged on a light barrier is rotatable.
  • the senor and the ejector are arranged on a rear wall of the furniture body and the ejector comprises a pivotable lever.
  • the ejection of the movable furniture part can be done by other drive means, for example by an electric drive, spring elements or other drive means which are suitable for actuating the movable furniture part.
  • the ejector with the pivotable lever has the advantage that it can be compactly positioned on a rear wall of the furniture body.
  • the probe of the sensor is arranged off-center on a rear wall of a drawer. Because when you operate the drawer sideways on a front panel, it may be that the drawer is rotated and then takes place with central arrangement of the button no triggering. In this respect, it is advantageous if the button is not arranged in a central region of the drawer. Also, two spaced-apart sensors can be arranged adjacent to the movable furniture part, for example, when particularly wide drawers to be moved over the drive means.
  • a piece of furniture 1 comprises a box-shaped furniture body 2, on which one or more drawers 3 are held displaceably.
  • drawers 4 are provided laterally on the drawers, which are fixed to the respective side of the furniture body 2.
  • a drive device Adjacent to a rear wall 5 of the drawer 3, a drive device according to the invention is provided which comprises an ejector 6 and a sensor 7.
  • the sensor 7 is mounted on a rear wall 8 of the furniture body 2, while the ejector 6 is held on a vertical bar 9, on the electrical lines are led to the power supply.
  • the strip 9 is coupled to a horizontal bar 10, which can also serve for power supply.
  • a slightly open position of the drawer 3 is shown.
  • a rearwardly projecting pin 11 is provided, which contains markings or openings, which cooperate with an optical sensor 7.
  • the sensor 7 comprises a housing 12, on which a light barrier 13 is provided.
  • pulses are output to a controller, so that it can be detected whether the drawer 3 is moving or not.
  • a position detection of the drawer 3 can take place.
  • the pin 11 When closing the drawer, the pin 11 is moved back into the light barrier 13, which then detects a movement of the drawer 3 and then determines a rest position when no more pulses are generated by movement of the pin 11. Only with a renewed movement of the pin 11, the ejector 6 can then be triggered.
  • a controller decides according to specifiable criteria, whether a detected movement should also lead to the triggering.
  • a movement occurring when closing the drawer 3 should not trigger. This recognizes the control of the fact that previously took a voluntary movement, which had an ejection by the drive result. A subsequently detected retraction movement thus does not trigger a new ejection out. Only the next detected movement, which meets certain criteria (number of impulses, time, etc), triggers the ejector 6 again.
  • FIG. 4 a modified embodiment of a piece of furniture is shown, in which the same components are provided with the same reference numerals.
  • a modified sensor 7 ' is provided on the rear wall 8, which is arranged on the other side of the ejector 6. This illustrates that ejector 6 and sensor 7 'can be positioned independently of each other. It is only necessary that the control pulses are passed through the sensor 7 or 7 'to the control of the ejector 6.
  • FIGS. 5 and 6 an embodiment is shown in which a movable drawer 3 can be moved via an ejector 6 in an open position, wherein for detecting the position of a sensor 7 'is provided, not directly to the drawer 3 but attached to a bottom 18 of the drawer bar 17 attacks.
  • a movement of the drawer 3 can also be detected with the sensor 7 '.
  • FIGS. 7 and 8 an embodiment is shown in which only the sensor 7 'is shown, which is provided adjacent to a rear wall 5 of a drawer 3.
  • the sensor 7 comprises the housing 20, on which a button 21 is movably mounted.
  • the button 21 is connected to a rack 22 which is held by a spring 23 on the housing 20.
  • a rear wall 5 of a drawer 3 is moved to the closed position, it presses on the button 21 and the spring 23, so that the rack 22 is moved together with the drawer 3.
  • a toothing 24 of the rack 22 is in engagement with a gear 25 which is coupled to a grid plate 26.
  • a movement of the rack 22 can be detected via a light barrier 28.
  • the light barrier 28 then outputs the detected pulses via lines to a controller, wherein a channel 29 is formed on the housing 20 for the lines.
  • the sensor 7 ' may have on the housing 20 laterally projecting flanges 30 for easy installation. This is done via the resilient mounting of the rack 22 automatically a certain tolerance compensation, as over the travel of the rack 22, an end position of the drawer 3 can be detected, however, can be arranged in a certain range of the travel and not tuned to a specific switching point. In addition, by the translation of the movement by a gear 25 and a grid plate 26, the resolution can be kept very fine, so that even small movements of the drawer 3 can be detected and initiate the triggering.
  • FIG. 12 a further embodiment of a sensor 7 is shown schematically, in which a light barrier 70 is provided, which is arranged U-shaped around two grid films 71 and 74, wherein the grid film 71 dark stripes 72 and light-transmitting strips 73, while the grid film 74 bright stripes 75 and dark stripes 76 has.
  • a light barrier 70 By moving the screen films 71 and 74 relative to one another, pulses are generated at the light barrier 70 which can detect a movement of the screen film and a probe 11 or 21 connected thereto. It is also possible, instead of the two screen films 71 and 74, to move only one screen film through the light barrier 70.
  • optical sensors 7, 7 ' are used for detecting a movement of the drawer.
  • magnetic sensors or other sensors for detecting the movement or a position of the drawer. If a position detection is to take place, this can be done simply by counting the pulses.

Description

Die vorliegende Erfindung betrifft eine Antriebseinrichtung für bewegbare Möbelteile, insbesondere Schubladen, mit einem Auswerfer, mittels dem ein bewegbares Möbelteil von einer geschlossenen Position in eine zumindest teilweise geöffnete Position bewegbar ist, und mindestens einem Sensor, mittels dem eine Bewegung des Auswerfers auslösbar ist.The present invention relates to a drive device for movable furniture parts, in particular drawers, with an ejector, by means of which a movable furniture part is movable from a closed position to an at least partially open position, and at least one sensor by means of which a movement of the ejector can be triggered.

Die Druckschrift WO 2006/017863 betrifft eine Antriebseinrichtung für ein bewegbares Möbelteil mit einer Ausstoßvorrichtung, die über einen Schalter aktiviert werden kann. Der Schalter ist dabei zweiteilig ausgeführt, mit einem als Bedienelement ausgestaltetem ersten Teil, der an einer Frontblende eines bewegbaren Möbelteils angeordnet ist, und einem zweiten Teil, der am Möbelkorpus angeordnet ist. Eine manuelle Betätigung des ersten Teils wird mechanisch oder per Funk auf den zweiten Teil des Schalters übertragen. Es ist folglich ein relativ zum Möbelteil bewegbares Bedienelement erforderlich, das aus konstruktiven und gestalterischen Gründen häufig unerwünscht ist.The publication WO 2006/017863 relates to a drive device for a movable furniture part with an ejection device, which can be activated via a switch. The switch is designed in two parts, with a designed as a control element first part, which is arranged on a front panel of a movable furniture part, and a second part, which is arranged on the furniture body. Manual actuation of the first part is transmitted mechanically or by radio to the second part of the switch. It is therefore a movable relative to the furniture part control required, which is often undesirable for structural and design reasons.

Auch die Druckschrift EP 1 323 364 A1 zeigt eine Antriebseinrichtung für ein bewegbares Möbelteil. Zum Aktivieren der Antriebseinrichtung sind Tastschalter vorgesehen, die z.B. beide an einem Handgriff des bewegbaren Möbelteils angeordnet sind. Zum Öffnen bzw. Schließen des bewegbaren Möbelteils wird einer der beiden Tastschalter betätigt, wobei die Tastschalter so positioniert sind, dass die Betätigungsbewegung in der Richtung der gewünschten Bewegung des Möbelteils erfolgt. In Ausgestaltungen ist der Handgriff bzw. eine Frontplatte des bewegbaren Möbelteils als ein Bedienelement des Tastschalters ausgeführt, so dass eine entsprechende Zug- oder Druckbewegung an diesem Teil den Tastschalter betätigt. Auch hierbei ist somit ein relativ zum Möbelteil bewegbares Bedienelement zum Aktivieren der Antriebseinrichtung notwendig. Weiter ist offenbart, einen Kontakt zum Aktivieren der Antriebseinrichtung über eine mit dem Möbelteil verbundene Schleppstange zu betätigen. Die Schleppstange wird von dem Möbelteil über Reibung mitbewegt und kann sich daher in ihrer Position gegenüber dem Möbelteil verschieben. Die Kontakte werden über die Schleppstange betätigt, wenn das Möbelteil aus einer beliebigen Position heraus durch einen Benutzer bewegt wird. Das System lässt sich jedoch kaum platzsparend und mechanisch unaufwändig und zuverlässig realisieren.Also the publication EP 1 323 364 A1 shows a drive device for a movable furniture part. To activate the drive device tact switches are provided, which are both arranged on a handle of the movable furniture part, for example. To open or close the movable furniture part of the two push-button is actuated, wherein the push-buttons are positioned so that the actuating movement takes place in the direction of the desired movement of the furniture part. In embodiments, the handle or a front panel of the movable furniture part is designed as an operating element of the pushbutton switch, so that a corresponding pulling or pushing movement on this part actuates the pushbutton switch. In this case, too, a control element that is movable relative to the furniture part is therefore necessary for activating the drive device. It is further disclosed to actuate a contact for activating the drive means via a tow bar connected to the furniture part. The tow bar is moved by the furniture part on friction and can therefore move in position relative to the furniture part. The contacts are operated via the tow bar when the furniture part is moved out of any position by a user. However, the system can hardly be realized in a space-saving and mechanically uncomplicated and reliable way.

Aus der DE 20 2004 007 168 U1 ist ein Ausstoßer für ein bewegbares Möbelteil bekannt, bei dem eine Stoßvorrichtung in Form eines Zapfens an einem bewegbaren Möbelteil anliegt. Der Zapfen ist mit einem Teil verbunden, dessen Position durch Sensoren erfasst werden kann. Ferner ist ein Schalter vorgesehen, so dass bei einem Drücken des bewegbaren Möbelteils der Schalter ausgelöst wird und dann ein Ausstoßvorgang ausgelöst wird. Nachteilig bei dieser Lösung ist, dass die Montage des Schalters der Ausstoßvorrichtung sehr exakt erfolgen muss, um Fehlauslösungen zu vermeiden. Dies kann gerade bei Möbeln schwierig sein, die meist etwas größere Toleranzen aufweisen.From the DE 20 2004 007 168 U1 is an ejector for a movable furniture part is known in which a pusher in the form of a pin rests against a movable furniture part. The pin is connected to a part whose position can be detected by sensors. Furthermore, a switch is provided, so that when a push of the movable furniture part of the switch is triggered and then an ejection process is triggered. The disadvantage of this solution is that the assembly of the switch of the ejection device must be very accurate in order to avoid false triggering. This can be difficult especially for furniture, which usually have slightly larger tolerances.

Die AT 2004 01379 A5 zeigt ein Möbel mit einer Ausstoßvorrichtung, die einen Hebel mit einem Kontaktschalter aufweist. Bei Erreichen einer bestimmten Position des Hebels kann der Kontaktschalter auslösen und das bewegbare Möbelteil weg von dem Möbelkorpus ausstoßen. Die Einstellung und Bestimmung des Schaltpunktes gestaltet sich jedoch vergleichsweise schwierig und es kann leicht zu Fehlbedienungen kommen.The AT 2004 01379 A5 shows a piece of furniture with an ejector having a lever with a contact switch. Upon reaching a certain position of the lever, the contact switch can trigger and eject the movable furniture part away from the furniture body. The setting and determination of the switching point, however, is relatively difficult and it can easily lead to incorrect operation.

Es ist daher Aufgabe der vorliegenden Erfindung eine mechanisch einfach aufgebaute Antriebseinrichtung für bewegbare Möbelteile zu schaffen, die ein automatisches Auswerfen eines bewegbaren Möbelteils ohne ein relativ zum Möbelteil bewegbares Bedienelement ermöglicht und mit der Toleranzen ausgeglichen werden können.It is therefore an object of the present invention to provide a mechanically simple design drive device for movable furniture parts, which allows automatic ejection of a movable furniture part without a movable relative to the furniture part control and can be compensated with the tolerances.

Diese Aufgabe wird mit einer Antriebseinrichtung mit den Merkmalen des Anspruches 1 gelöst.This object is achieved by a drive device with the features of claim 1.

Erfindungsgemäß umfasst der mindestens eine Sensor einen zumindest in der geschlossenen Position am bewegbaren Möbelteil anliegenden Taster, wobei über den Sensor bei einer Bewegung des Tasters über eine vorbestimmte Wegstrecke Impulse erzeugt werden und so über den Taster eine Bewegung des Möbelteils zur Auslösung des Auswerfers durch ein Zählen der Impulse erfassbar ist.In accordance with the invention, the at least one sensor comprises a pushbutton resting against the movable furniture part, at least in the closed position, whereby pulses are transmitted via the sensor during a movement of the pushbutton over a predetermined path be generated and the movement of the furniture part to trigger the ejector by counting the pulses can be detected via the button.

Die Funktion des Erfassens der Position bzw. einer Bewegung des Möbelteils ist von der mechanischen Funktion des Auswerfens des Möbelteils soweit entkoppelt, dass beide Bauteile also der Sensor und der Auswerfer, getrennt voneinander montiert werden können. Dadurch und durch die Erfassung der Bewegung über eine vorbestimmte Wegstrecke wird vermieden, dass ein vorher definierter Schaltpunkt vorhanden ist, der eine besonders genaue Einstellung der Position des Auswerfers relativ zu dem bewegbaren Möbelteil erfordert. Vielmehr kann der Sensor einen gewissen Toleranzausgleich übernehmen und die Positionierung ist hiervon unabhängig. Für das Auslösen des Auswerfers ist es somit nicht erforderlich, eine genaue Position (Schaltpunkt) des bewegbaren Möbelteils zu erfassen. Ein Auswerfen soll erfolgen, wenn ein Benutzer das bewegbare Möbelteil bewusst in die eine oder andere Richtung bewegt hat. Dann kann dies von dem Sensor signalisiert werden, um den Auswerfer auszulösen. Die Erfassung einer Bewegung ist jedoch nicht zwingend an die Erfassung oder Berücksichtigung einer exakten Position des Möbelteils gebunden.The function of detecting the position or a movement of the furniture part is decoupled from the mechanical function of Auswerfens of the furniture part so far that both components so the sensor and the ejector, can be mounted separately. Thereby, and by detecting the movement over a predetermined distance is avoided that a previously defined switching point is present, which requires a particularly accurate adjustment of the position of the ejector relative to the movable furniture part. Rather, the sensor can take over a certain tolerance compensation and positioning is independent of this. For triggering the ejector, it is thus not necessary to detect an exact position (switching point) of the movable furniture part. Ejecting is to be done when a user has deliberately moved the movable furniture part in one direction or the other. Then this can be signaled by the sensor to trigger the ejector. However, the detection of a movement is not necessarily bound to the detection or consideration of an exact position of the furniture part.

Gemäß einer weiteren Ausgestaltung der Erfindung ist das bewegbare Möbelteil federnd in der geschlossenen Position gehalten und für eine Auslösung des Auswerfers sowohl in den Möbelkorpus hinein als auch heraus bewegbar. Dadurch kann das Auslösen des Auswerfers vom Benutzer intuitiv vorgenommen werden, da das Möbelteil sowohl eingedrückt als auch herausgezogen werden kann, um den Antrieb des Auswerfers auszulösen. Es ist natürlich auch möglich, eine Auslösung des Auswerfers nur dann vorzunehmen, wenn das bewegbare Möbelteil hineingedrückt wird beispielsweise wenn kein Griffelement vorhanden ist.According to a further embodiment of the invention, the movable furniture part is resiliently held in the closed position and movable for triggering the ejector both in the furniture body in and out. As a result, the triggering of the ejector by the user can be made intuitively, since the furniture part can both be pressed in and pulled out to trigger the drive of the ejector. It is of course also possible to make a triggering of the ejector only when the movable furniture part is pressed in, for example, if no handle element is present.

Um einen gewissen Toleranzausgleich durch den Sensor vornehmen zu können, liegt der Taster vorzugsweise federnd an dem bewegbaren Möbelteil an. Dadurch kann vor der geschlossenen Position der Taster eine Bewegung mit dem bewegbaren Möbelteil ausführen und dann dessen Bewegung durch den mit dem Taster gekoppelten Sensor erfassen.In order to make a certain tolerance compensation by the sensor, the button is preferably resiliently against the movable furniture part. As a result, before the closed position of the button movement with the movable Execute furniture part and then detect its movement through the sensor coupled to the button.

Vorzugsweise ist ein optischer Sensor zur Erfassung der Bewegung des Tasters vorgesehen. Dies ermöglicht eine besonders feinfühlige Erfassung, wobei der Sensor mindestens eine relativ zu einer Lichtschranke bewegbare Rasterfolie aufweisen kann, so dass durch Bewegung der Rasterfolie Impulse zu Steuersignalen umgewandelt werden können. Es ist auch möglich, dass der Taster mit einer Zahnstange verbunden ist, mittels der eine an einer Lichtschranke angeordnete Rasterscheibe drehbar ist.Preferably, an optical sensor for detecting the movement of the probe is provided. This enables a particularly sensitive detection, wherein the sensor can have at least one grid foil which can be moved relative to a light barrier, so that pulses can be converted to control signals by moving the grid foil. It is also possible that the push-button is connected to a rack by means of which a grid plate arranged on a light barrier is rotatable.

Gemäß einer bevorzugten Ausgestaltung der Erfmdung sind der Sensor und der Auswerfer an einer Rückwand des Möbelkorpus angeordnet und der Auswerfer umfasst einen verschwenkbaren Hebel. Das Auswerfen des bewegbaren Möbelteils kann durch andere Antriebsmittel erfolgen, beispielsweise durch einen Elektroantrieb, Federelemente oder andere Antriebsmittel, die zur Betätigung des bewegbaren Möbelteils geeignet sind. Der Auswerfer mit dem verschwenkbaren Hebel hat allerdings den Vorteil, dass er kompakt aufgebaut an einer Rückwand des Möbelkorpus positioniert werden kann.According to a preferred embodiment of the invention, the sensor and the ejector are arranged on a rear wall of the furniture body and the ejector comprises a pivotable lever. The ejection of the movable furniture part can be done by other drive means, for example by an electric drive, spring elements or other drive means which are suitable for actuating the movable furniture part. However, the ejector with the pivotable lever has the advantage that it can be compactly positioned on a rear wall of the furniture body.

Vorzugsweise ist der Taster des Sensors außermittig an einer Rückwand eines Schubkastens angeordnet. Denn bei Betätigung des Schubkastens seitlich an einer Frontblende kann es sein, dass der Schubkasten verdreht wird und dann bei mittiger Anordnung des Tasters keine Auslösung erfolgt. Insofern ist es von Vorteil, wenn der Taster nicht in einem mittleren Bereich des Schubkastens angeordnet ist. Auch können zwei voneinander beabstandete Sensoren benachbart zu dem bewegbaren Möbelteil angeordnet sein, beispielsweise wenn besonders breite Schubkästen über die Antriebseinrichtung bewegt werden sollen.Preferably, the probe of the sensor is arranged off-center on a rear wall of a drawer. Because when you operate the drawer sideways on a front panel, it may be that the drawer is rotated and then takes place with central arrangement of the button no triggering. In this respect, it is advantageous if the button is not arranged in a central region of the drawer. Also, two spaced-apart sensors can be arranged adjacent to the movable furniture part, for example, when particularly wide drawers to be moved over the drive means.

Die Erfindung wird nachfolgend anhand mehrerer Ausführungsbeispiele mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1
Eine perspektivische Ansicht eines Möbels mit einer erfindungsgemäßen Antriebseinrichtung;
Figur 2
das Möbel der Figur 1 in leicht geöffneter Position;
Figur 3
eine Detailansicht der Antriebseinrichtung der Figur 2;
Figur 4
eine Ansicht eines Möbels nach einer leicht modifizierten Ausführungsform;
Figur 5
eine Seitenansicht eines Möbels mit einer erfindungsgemäßen Antriebseinrichtung nach einer modifizierten Ausführungsform;
Figur 6
eine Detailansicht der Antriebseinrichtung der Figur 5;
Figur 7
eine Detailansicht des Sensors einer erfindungsgemäßen Antriebseinrichtung mit Schublade;
Figur 8
eine Detailansicht des Sensors der Figur 7;
Figuren 9, 10 und 11
mehrere Ansichten eines Sensors einer Antriebseinrichtung, und
Figur 12
eine schematische Ansicht eines modifizierten Sensors.
The invention will be explained in more detail with reference to several embodiments with reference to the accompanying drawings. Show it:
FIG. 1
A perspective view of a piece of furniture with a drive device according to the invention;
FIG. 2
the furniture of the FIG. 1 in slightly open position;
FIG. 3
a detailed view of the drive device of FIG. 2 ;
FIG. 4
a view of a piece of furniture according to a slightly modified embodiment;
FIG. 5
a side view of a piece of furniture with a drive device according to the invention according to a modified embodiment;
FIG. 6
a detailed view of the drive device of FIG. 5 ;
FIG. 7
a detailed view of the sensor of a drive device according to the invention with drawer;
FIG. 8
a detailed view of the sensor of FIG. 7 ;
FIGS. 9, 10 and 11
several views of a sensor of a drive device, and
FIG. 12
a schematic view of a modified sensor.

Ein Möbel 1 umfasst einen kastenförmigen Möbelkorpus 2, an dem ein oder mehrere Schubladen 3 verschiebbar gehalten sind. Hierfür sind seitlich an den Schubladen 3 Ausziehführungen 4 vorgesehen, die an der jeweiligen Seite am Möbelkorpus 2 festgelegt sind.A piece of furniture 1 comprises a box-shaped furniture body 2, on which one or more drawers 3 are held displaceably. For this purpose 3 drawers 4 are provided laterally on the drawers, which are fixed to the respective side of the furniture body 2.

Benachbart zu einer Rückwand 5 der Schublade 3 ist eine erfindungsgemäße Antriebseinrichtung vorgesehen, die einen Auswerfer 6 sowie einen Sensor 7 umfasst. Der Sensor 7 ist dabei an einer Rückwand 8 des Möbelkorpus 2 montiert, während der Auswerfer 6 an einer vertikalen Leiste 9 gehalten ist, an der elektrische Leitungen zur Stromversorgung geführt sind. Die Leiste 9 ist mit einer horizontalen Leiste 10 gekoppelt, die ebenfalls zur Stromversorgung dienen kann.Adjacent to a rear wall 5 of the drawer 3, a drive device according to the invention is provided which comprises an ejector 6 and a sensor 7. The sensor 7 is mounted on a rear wall 8 of the furniture body 2, while the ejector 6 is held on a vertical bar 9, on the electrical lines are led to the power supply. The strip 9 is coupled to a horizontal bar 10, which can also serve for power supply.

In den Figuren 2 und 3 ist eine leicht geöffnete Position der Schublade 3 gezeigt. An der Rückwand 5 ist ein nach hinten hervorstehender Stift 11 vorgesehen, der Markierungen oder Öffnungen enthält, die mit einem optischen Sensor 7 zusammenwirken. Der Sensor 7 umfasst ein Gehäuse 12, an dem eine Lichtschranke 13 vorgesehen ist. Wenn der Stift 11 durch die Lichtschranke 13 bewegt wird, werden Impulse zu einer Steuerung abgegeben, so dass erfasst werden kann, ob sich die Schublade 3 bewegt oder nicht. Zudem kann auch eine Positionserfassung der Schublade 3 erfolgen.In the Figures 2 and 3 a slightly open position of the drawer 3 is shown. On the rear wall 5, a rearwardly projecting pin 11 is provided, which contains markings or openings, which cooperate with an optical sensor 7. The sensor 7 comprises a housing 12, on which a light barrier 13 is provided. When the pen 11 is moved by the photocell 13, pulses are output to a controller, so that it can be detected whether the drawer 3 is moving or not. In addition, a position detection of the drawer 3 can take place.

Befindet sich die Schublade 3 in der geschlossenen Position, werden von der Lichtschranke 13 keine Signale abgegeben, da der Stift 11 in einer Ruheposition ist. Erst wenn ein Benutzer die Schublade 3 in den Möbelkorpus 2 hineindrückt oder aus dem Möbelkorpus 2 herauszieht findet eine Relativbewegung zwischen dem Stift 11 und der Lichtschranke 13 statt, so dass nach Erfassung von einem oder mehreren Impulsen der Auswerfer 6 ausgelöst werden kann. Dann drückt ein verschwenkbarer Hebel 14 des Auswerfers 6 gegen die Rückwand 5 der Schublade 3 und unterstützt die Ausfahrbewegung. Danach kann der Hebel 14 über einen Antrieb in die Ausgangsposition verfahren werden oder die Rückwand 5 drückt den Hebel 14 beim Einfahren wieder in die Ausgangslage. Beim Schließen der Schublade wird der Stift 11 wieder in die Lichtschranke 13 bewegt, die dann eine Bewegung der Schublade 3 erfasst und dann auch eine Ruheposition ermittelt, wenn keine Impulse mehr durch Bewegung des Stiftes 11 erzeugt werden. Erst bei einer erneuten Bewegung des Stiftes 11 kann dann der Auswerfer 6 ausgelöst werden.If the drawer 3 is in the closed position, no signals are emitted by the light barrier 13, since the pin 11 is in a rest position. Only when a user pushes the drawer 3 into the furniture body 2 or pulls it out of the furniture body 2 does a relative movement take place between the pin 11 and the light barrier 13, so that the ejector 6 can be triggered after detection of one or more pulses. Then, a pivotable lever 14 of the ejector 6 presses against the rear wall 5 of the drawer 3 and supports the extension movement. Thereafter, the lever 14 can be moved by a drive in the starting position or the rear wall 5 pushes the lever 14 when retracting back to the starting position. When closing the drawer, the pin 11 is moved back into the light barrier 13, which then detects a movement of the drawer 3 and then determines a rest position when no more pulses are generated by movement of the pin 11. Only with a renewed movement of the pin 11, the ejector 6 can then be triggered.

Dabei löst nicht nur eine erkannte Bewegung den Auswerfer 6 aus, sondern eine Steuerung entscheidet nach vorgebbaren Kriterien, ob eine erkannte Bewegung auch zur Auslösung führen soll. Eine beim Schließen des Schubkastens 3 auftretende Bewegung soll nicht auslösen. Diese erkennt die Steuerung daran, dass zuvor eine gewollte Bewegung stattfand, die einen Auswurf durch den Antrieb zur Folge hatte. Eine danach erkannte Einzugsbewegung löst folglich keinen neuen Auswurf aus. Erst die nächste erkannte Bewegung, die gewissen Kriterien (Anzahl Impulse, Zeit, etc) genügt, löst wieder den Auswerfer 6 aus.Not only a detected movement triggers the ejector 6, but a controller decides according to specifiable criteria, whether a detected movement should also lead to the triggering. A movement occurring when closing the drawer 3 should not trigger. This recognizes the control of the fact that previously took a voluntary movement, which had an ejection by the drive result. A subsequently detected retraction movement thus does not trigger a new ejection out. Only the next detected movement, which meets certain criteria (number of impulses, time, etc), triggers the ejector 6 again.

In Figur 4 ist eine modifizierte Ausführungsform eines Möbels gezeigt, bei dem gleiche Bauteile jedoch mit demselben Bezugszeichen versehen sind. Bei dieser Ausführungsform ist an der Rückwand 8 ein modifizierter Sensor 7' vorgesehen, der auf der anderen Seite des Auswerfers 6 angeordnet ist. Dies verdeutlicht, dass Auswerfer 6 und Sensor 7' unabhängig voneinander positioniert werden können. Es ist lediglich erforderlich, dass die Steuerimpulse durch den Sensor 7 bzw. 7' an die Steuerung des Auswerfers 6 weitergegeben werden.In FIG. 4 a modified embodiment of a piece of furniture is shown, in which the same components are provided with the same reference numerals. In this embodiment, a modified sensor 7 'is provided on the rear wall 8, which is arranged on the other side of the ejector 6. This illustrates that ejector 6 and sensor 7 'can be positioned independently of each other. It is only necessary that the control pulses are passed through the sensor 7 or 7 'to the control of the ejector 6.

In Figuren 5 und 6 ist eine Ausführungsform gezeigt, bei dem eine bewegbare Schublade 3 über einen Auswerfer 6 in eine geöffnete Position verschoben werden kann, wobei zur Positionserfassung ein Sensor 7' vorgesehen ist, der nicht unmittelbar an der Schublade 3 sondern an einer am Boden 18 der Schublade angebrachten Leiste 17 angreift. Insofern kann jedoch mit dem Sensor 7' ebenfalls eine Bewegung der Schublade 3 erfasst werden. Gleichermaßen ist es möglich, den Sensor 7' nicht am Boden 18 der Schublade 3 sondern an einer Seitenwand vorzusehen.In FIGS. 5 and 6 an embodiment is shown in which a movable drawer 3 can be moved via an ejector 6 in an open position, wherein for detecting the position of a sensor 7 'is provided, not directly to the drawer 3 but attached to a bottom 18 of the drawer bar 17 attacks. In this respect, however, a movement of the drawer 3 can also be detected with the sensor 7 '. Similarly, it is possible to provide the sensor 7 'not on the bottom 18 of the drawer 3 but on a side wall.

In den Figuren 7 und 8 ist eine Ausführungsform gezeigt, bei der lediglich der Sensor 7' gezeigt ist, der benachbart zu einer Rückwand 5 einer Schublade 3 vorgesehen ist. Die Ausgestaltung des Sensors 7' ist in Figuren 9 bis 11 im Detail dargestellt:In the FIGS. 7 and 8 an embodiment is shown in which only the sensor 7 'is shown, which is provided adjacent to a rear wall 5 of a drawer 3. The embodiment of the sensor 7 'is in FIGS. 9 to 11 shown in detail:

Der Sensor 7' umfasst das Gehäuse 20, an dem ein Taster 21 bewegbar gelagert ist. Der Taster 21 ist mit einer Zahnstange 22 verbunden, die über eine Feder 23 an dem Gehäuse 20 gehalten ist. Wenn eine Rückwand 5 einer Schublade 3 in die geschlossene Position bewegt wird, drückt diese auf den Taster 21 und die Feder 23, so dass die Zahnstange 22 mit der Schublade 3 zusammen bewegt wird.The sensor 7 'comprises the housing 20, on which a button 21 is movably mounted. The button 21 is connected to a rack 22 which is held by a spring 23 on the housing 20. When a rear wall 5 of a drawer 3 is moved to the closed position, it presses on the button 21 and the spring 23, so that the rack 22 is moved together with the drawer 3.

Eine Verzahnung 24 der Zahnstange 22 ist in Eingriff mit einem Zahnrad 25, das mit einer Rasterscheibe 26 gekoppelt ist. Durch Drehung des Zahnrades 25 und der Rasterscheibe 26 kann über eine Lichtschranke 28 eine Bewegung der Zahnstange 22 erfasst werden. Die Lichtschranke 28 gibt dann die erfassten Impulse über Leitungen an eine Steuerung ab, wobei für die Leitungen ein Kanal 29 an dem Gehäuse 20 ausgebildet ist.A toothing 24 of the rack 22 is in engagement with a gear 25 which is coupled to a grid plate 26. By rotation of the gear 25 and the grid plate 26, a movement of the rack 22 can be detected via a light barrier 28. The light barrier 28 then outputs the detected pulses via lines to a controller, wherein a channel 29 is formed on the housing 20 for the lines.

Der Sensor 7' kann an dem Gehäuse 20 seitlich hervorstehende Flansche 30 für eine einfache Montage aufweisen. Dabei erfolgt über die federnde Lagerung der Zahnstange 22 automatisch ein gewisser Toleranzausgleich, da über den Verfahrweg der Zahnstange 22 eine Endposition der Schublade 3 erfasst werden kann die jedoch in einem gewissen Bereich des Verfahrweges angeordnet sein kann und nicht auf einem bestimmten Schaltpunkt abgestimmt sein muss. Zudem kann durch die Übersetzung der Bewegung durch ein Zahnrad 25 und einer Rasterscheibe 26 die Auflösung besonders fein gehalten werden, so dass auch kleine Bewegungen der Schublade 3 erfasst werden können und das Auslösen einleiten.The sensor 7 'may have on the housing 20 laterally projecting flanges 30 for easy installation. This is done via the resilient mounting of the rack 22 automatically a certain tolerance compensation, as over the travel of the rack 22, an end position of the drawer 3 can be detected, however, can be arranged in a certain range of the travel and not tuned to a specific switching point. In addition, by the translation of the movement by a gear 25 and a grid plate 26, the resolution can be kept very fine, so that even small movements of the drawer 3 can be detected and initiate the triggering.

In Figur 12 ist eine weitere Ausgestaltung eines Sensors 7 schematisch dargestellt, bei dem eine Lichtschranke 70 vorgesehen ist, die U-förmig um zwei Rasterfolien 71 und 74 angeordnet ist, wobei die Rasterfolie 71 dunkle Streifen 72 und lichtdurchlässige Streifen 73 aufweist, während die Rasterfolie 74 helle Streifen 75 und dunkle Streifen 76 besitzt. Durch Bewegung der Rasterfolien 71 und 74 relativ zueinander werden an der Lichtschranke 70 Impulse erzeugt, die eine Bewegung der Rasterfolie und eines damit verbundenen Tasters 11 bzw. 21 erfassen können. Es ist auch möglich, statt der zwei Rasterfolien 71 und 74 nur eine Rasterfolie durch die Lichtschranke 70 zu bewegen.In FIG. 12 a further embodiment of a sensor 7 is shown schematically, in which a light barrier 70 is provided, which is arranged U-shaped around two grid films 71 and 74, wherein the grid film 71 dark stripes 72 and light-transmitting strips 73, while the grid film 74 bright stripes 75 and dark stripes 76 has. By moving the screen films 71 and 74 relative to one another, pulses are generated at the light barrier 70 which can detect a movement of the screen film and a probe 11 or 21 connected thereto. It is also possible, instead of the two screen films 71 and 74, to move only one screen film through the light barrier 70.

In den gezeigten Ausführungsbeispielen werden optische Sensoren 7, 7' für die Erfassung einer Bewegung der Schublade eingesetzt. Es ist natürlich auch möglich, magnetische Sensoren oder andere Sensoren zur Erfassung der Bewegung bzw. einer Position der Schublade einzusetzen. Falls eine Positionserfassung stattfinden soll, kann dies einfacher weise über ein Zählen der Impulse erfolgen.In the exemplary embodiments shown, optical sensors 7, 7 'are used for detecting a movement of the drawer. Of course, it is also possible to use magnetic sensors or other sensors for detecting the movement or a position of the drawer. If a position detection is to take place, this can be done simply by counting the pulses.

Claims (11)

  1. A drive device for movable furniture parts (3), in particular drawers, having an ejector (6), using which a movable furniture part (3) is movable from a closed position into an at least partially open position, and at least one sensor (7, 7'), with which a movement of the ejector (6) is triggerable, characterized in that the at least one sensor (7, 7') comprises a feeler (11, 21) which presses against the movable furniture part (3) at least in the closed position and the sensor (7, 7') generates impulse during a movement of the feeler (11, 21) over a predetermined distance and thus a movement of the furniture part (3) is detectable via the feeler (11, 21) by counting the impulse to trigger the ejector (6).
  2. The drive device according to Claim 1, characterized in that the movable furniture part (3) is retained spring-loaded in the closed position and is movable both into and also out of the furniture body (2) to trigger the ejector (6).
  3. The drive device according to Claim 1 or 2, characterized in that the feeler (11, 21) presses spring-loaded against the movable furniture part (3).
  4. The drive device according to one of Claims 1 through 3, characterized in that the sensor (7, 7' is mounted on a furniture body (2) spaced apart from the ejector.
  5. The drive device according to one of Claims 1 through 4, characterized in that an optical sensor (7, 7') is provided for detecting a movement of the feeler (11, 21).
  6. The drive device according to Claim 5, characterized in that the sensor (7) has at least one raster film (71, 74) movable in relation to a light barrier.
  7. The drive device according to one of Claims 1 through 6, characterized in that the feeler (21) is connected to a toothed rack (22) with which a raster disk (26) situated on a light barrier (28) is rotatable.
  8. The drive device according to one of Claims 1 through 7, characterized in that the sensor (7, 7') and the ejector (6) are situated on a rear wall (8) of a furniture body (2) and the ejector (6) comprises a pivotable lever (14).
  9. The drive device according to one of Claims 1 through 8, characterized in that the feeler (11, 21) of the sensor (7, 7') is situated off-center on a rear wall (5) of the drawer.
  10. The drive device according to one of Claims 1 through 9, characterized in that
    two sensors (7, 7') spaced apart from one another are situated adjacent to the movable furniture part (3).
  11. The drive device according to one of Claims 1 through 10, characterized in that the feeler (11) is implemented as a pin having markings fastened on a rear wall (5) of a drawer.
EP07727653.3A 2006-04-18 2007-04-02 Drive unit for displaceable furniture parts Not-in-force EP2007248B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006006189U DE202006006189U1 (en) 2006-04-18 2006-04-18 Drive device for movable furniture parts
PCT/EP2007/053181 WO2007122068A1 (en) 2006-04-18 2007-04-02 Drive unit for displaceable furniture parts

Publications (2)

Publication Number Publication Date
EP2007248A1 EP2007248A1 (en) 2008-12-31
EP2007248B1 true EP2007248B1 (en) 2013-08-21

Family

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EP07727653.3A Not-in-force EP2007248B1 (en) 2006-04-18 2007-04-02 Drive unit for displaceable furniture parts

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EP (1) EP2007248B1 (en)
JP (1) JP5216999B2 (en)
KR (1) KR101381333B1 (en)
CN (1) CN101426400B (en)
DE (1) DE202006006189U1 (en)
RU (1) RU2414157C2 (en)
TW (1) TW200808223A (en)
WO (1) WO2007122068A1 (en)

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CN101426400B (en) 2014-03-19
CN101426400A (en) 2009-05-06
KR20090006202A (en) 2009-01-14
KR101381333B1 (en) 2014-04-04
RU2414157C2 (en) 2011-03-20
TW200808223A (en) 2008-02-16
RU2008144682A (en) 2010-05-27
JP5216999B2 (en) 2013-06-19
WO2007122068A1 (en) 2007-11-01
EP2007248A1 (en) 2008-12-31
DE202006006189U1 (en) 2007-08-30
JP2009534067A (en) 2009-09-24

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