EP3376899B1 - Slide-in device for moveable furniture parts - Google Patents

Slide-in device for moveable furniture parts Download PDF

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Publication number
EP3376899B1
EP3376899B1 EP16770873.4A EP16770873A EP3376899B1 EP 3376899 B1 EP3376899 B1 EP 3376899B1 EP 16770873 A EP16770873 A EP 16770873A EP 3376899 B1 EP3376899 B1 EP 3376899B1
Authority
EP
European Patent Office
Prior art keywords
driver
extension direction
entrainment member
retraction device
guide
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
EP16770873.4A
Other languages
German (de)
French (fr)
Other versions
EP3376899A1 (en
Inventor
Christof GÖTZ
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.)
Julius Blum GmbH
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Julius Blum GmbH
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Filing date
Publication date
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Publication of EP3376899A1 publication Critical patent/EP3376899A1/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
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
    • 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
    • A47B88/437—Rollers for slides or guides
    • 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
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/027—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops with closing action
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E05Y2400/54—Obstruction or resistance detection
    • E05Y2400/55—Obstruction or resistance detection by using load sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/24—Combinations of elements of elements of different categories of springs and brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the invention relates to a drawer pull-out with a collection device of the type to be described and an arrangement with a movably mounted furniture part, in particular a flap, a door or a drawer, with such a collection device for pulling the movable furniture part in a closed end position relative to a furniture body ,
  • Feeding devices are used, in particular, with drawers or sliding doors, which are freely movable over a large part of their pull-out area and which are grasped by the catch of the draw-in device towards the end of the closing movement, pulled into the closed end position by spring force and held there with a predetermined closing force.
  • a user When opening the movable furniture part, a user must first apply by pulling a force against the spring resistance of the feeder until the driver is decoupled after a predetermined distance from the movable furniture part and moved to a preloaded parking position in which the spring remains in a cocked standby position, so the movable furniture part can be retracted again during the next closing process.
  • the decoupling of the driver during the opening movement of the drawer often makes a jerky Movement and a click sound noticeable, as a result of the sudden spring breaking force, the drawer is free to move and is accelerated due to the previously applied tensile force in the opening direction.
  • the WO 2011/150432 A1 Applicant solves this problem by a separate from the driver spring holder which is guided displaceably along a control cam.
  • the driver and the spring holder are connected to each other via a coupling device in the form of interlocking teeth motion coupled.
  • tensioning the spring device ie, when opening the movable furniture part
  • falls the attachment point of the spring device on the spring holder relative to the position of the traversing in the extension direction driver so that the movement of the attachment point of the spring device is slower than the movement of the driver.
  • the charging of the spring device is characterized with a reduced effort, the unwanted spring break and an associated, excessive acceleration of the movable furniture part when uncoupling the driver can be prevented.
  • a disadvantage of this construction is that the overall height of the feeder device is relatively large due to the interlocking teeth.
  • Object of the present invention is to provide a collection device of the type mentioned above with a more compact design.
  • the coupling device has at least one control element with a longitudinal axis extending in the extension direction, the control element, when the driver is pulled out in the extension direction for changing the distance, which is present between the fastening point and the driver, at least in sections about the longitudinal axis rotates.
  • the spring holder designed as Kraftabsenkmechanik Coupling device provided with a control which rotates when pulling the driver about its own longitudinal axis.
  • the control is thus forced when pulling out the driver to move with a component of movement transversely to the extension direction of the driver, so that increases the distance between the driver and the attachment point and slows down the movement of the attachment point when pulling out the driver relative to the traversing in the extension direction driver becomes.
  • the control element can have at least one first guide element which, when the driver is pulled out in the extension direction, is guided at least in sections along a first guide track.
  • the first guide track may comprise a first section extending in the extension direction of the driver and a second section connected helically to the first section.
  • the attachment point of the spring device By extending in the extension direction first section, the attachment point of the spring device, starting from the retracted end position of the driver, initially move at the same speed as the driver in the extension direction. Due to the helically shaped second portion (which has a component transverse to the extension direction of the driver), the attachment point of the spring device falls back on the spring holder relative to the position of the traveling carrier, so that towards the end of the excursion path of the driver, the attachment point of the spring device on the spring holder slower than the Movement of the driver is.
  • the slope of the second portion of the first guideway determines the degree of deceleration of the attachment point relative to the driver.
  • Fig. 1 shows a piece of furniture 1 with a cabinet-shaped furniture body 2 and movably mounted furniture parts 3 in the form of drawers 4.
  • the drawers 4 each comprise a front panel 5, a drawer bottom 6, side walls 7 and a rear wall 8. Over the side walls 7 struts 9 are provided which extend between the front panel 5 and the rear wall 8 and which are provided to increase the receiving volume of the drawer 4.
  • Schubladenauszieh Entryen 10 are provided which each have a to the furniture body 2 to be fastened carcass rail 11 and at least one to be connected to the drawer 4 pull-out rail 12 which is slidably mounted relative to the stationary carcass rail 11.
  • an additional displaceable center rail can still be arranged, by which a full extension of the drawer 4 can be made possible.
  • a full extension is present when the rear wall 8 in the fully extended state of the drawer 4 is approximately flush with the end face of the furniture body 2.
  • Fig. 2 shows an exploded view of a feeder device 13 through which a movably mounted furniture part 3 is retractable relative to the furniture body 2 in a closed end position.
  • the intake device 13 comprises - as known per se - a tiltable about an axis 15 driver 14 which is releasably coupled to the movable furniture part 3.
  • the driver 14 has a notch 29, which with a movably mounted on the furniture part 3 arranged coupling element 36 (FIG. Fig. 5a-5c ), for example in the form of a pin, is releasably coupled.
  • coupling element 36 for example in the form of a pin
  • a spring device 16 is provided, which preferably comprises at least one designed as a helical spring tension spring. To increase the spring force, the spring device 16 may also have two or more tension springs connected in parallel.
  • the spring device 16 has an attachment point 18 for connection to a separate from the driver 14 spring retainer 17, the other end 19 of the spring device 16 is fixedly disposed in the mounting position (for example, firmly anchored to the carcass rail 11 of the drawer extension guide 10).
  • the collection device 13 is mounted on movable pull-out rail 12 and thus arranged displaceable relative to the carcass rail 11, wherein the driver 14 is releasably coupled with a bearing on the carcass rail 11 coupling element 36.
  • a coupling device 30 which has at least one control element 22 with a longitudinal axis 23.
  • This control 22 twists when pulling out the driver 14 to this Longitudinal axis 23, wherein the control element 22 during a movement of the driver 14 in the extension direction 31 performs a rotational movement about the longitudinal axis 23 and a translational movement along the longitudinal axis 23.
  • the control element 22 comprises at least one first guide element 22a, which is guided at least in sections along a first guide track 21 when the driver 14 is pulled out in the extension direction 31.
  • this guide track 21 is arranged or formed on a first sleeve 20 and has a first section 21a extending in the extension direction 31 of the driver 14 and a helical second section 21b adjoining the first section 21a.
  • the first guide element 22a of the control element 22 is guided along the first portion 21a, wherein the same movement conditions between the driver 14 and the attachment point 18 of the spring device 16 are present.
  • the first guide element 22a is guided along the helically shaped second section 21b of the first guide track 21, whereby the control element 22 is guided with a movement component transversely to the extension direction 31.
  • the position of the attachment point 18 of the spring device 16 falls back relative to the position of the carrier 14 traveling in the extension direction 31, so that the movement of the attachment point 18 is slowed down relative to the movement of the carrier 14.
  • the spring device 16 is not stretched to the maximum deflection, so that the decoupling of the driver 14 from the movable furniture part 3, the effect of the sudden tearing spring force is prevented.
  • a second guide element 22 b is arranged, which is spaced from the first guide element 22 a in the direction of the longitudinal axis 23.
  • This second guide element 22b is displaceably mounted along a second guide track 25, wherein the second section 21b of the first guide track 21 and the second guide track 25 at least in sections have an opposite helical sense.
  • the helical, second guide track 25 is formed on a second sleeve 24, wherein the first sleeve 20 and the second sleeve 24 are non-rotatably connected to each other. This can be achieved by means disposed on the second sleeve 24 web 26, which in a corresponding, elongated recess 27 of the first sleeve 20 engages.
  • the first sleeve 20 is fixedly arranged, the second sleeve 24 can move relative to the first sleeve 20 only, but not twist.
  • the control element 22 is guided over the two guide elements 22a, 22b along the two guide tracks 21, 25 of the sleeves 20, 24, whereby the control element 22 is rotated about the longitudinal axis 23 during the interaction of the first guide element 22b with the helical section 21b of the sleeve 20
  • a slowed movement of the attachment point 18 relative to the moving carrier 14 causes.
  • Fig. 3a-3c show the collection device 13 at different positions of the driver 14 in the extension direction 31st Fig. 3a shows the retracted end position of the driver 14, wherein the spring device 16 is largely relaxed.
  • the spring device 16 is connected via the attachment point 18 with the spring holder 17, which in turn is connected via the coupling piece 28 with the control element 22 in connection.
  • the first guide element 22a is located at a first end of the first portion 21a of the first guide track 21, while the second guide element 22b cooperates with the helical, second guide track 25 of the second sleeve 24.
  • the end faces of the two sleeves 20, 24 abut each other, wherein the control element 22 is received within the two sleeves 20, 24. In this way, a particularly compact design results.
  • Fig. 3b shows a slightly extended position of the driver 14, which is movable by a manual pulling movement on the movable furniture part 3 in the extension direction 31 against the force of the spring device 16.
  • the control element 22a is first guided along the straight, extending in the extension direction 31 first portion 21a of the first guide track 21, wherein the attachment point 18 moves at the same speed as the driver 14.
  • the distance D ( Fig. 4a, 4b ) of the attachment point 18 relative to the driver 14 therefore remains provisionally constant.
  • the first guide element 22a cooperates with the helically shaped, second section 21b of the first guide track 21.
  • the control element 22 is thereby guided with a movement component transversely to the extension direction 31, whereby the distance D1 (FIG.
  • Fig. 4c shows the fully extended position of the driver 14, wherein the first guide member 22a at the end of the second portion 21b of the first guide track 21 is located.
  • Fig. 4a-4c show side views of the retraction device 13 at different positions of the driver 14 in the extension direction 31.
  • the retraction device 13 has a housing 32, on which a extending in the extension direction 31, linear travel path 34 for guiding the driver 14 is arranged or formed.
  • the linear travel path 34 is adjoined by a bend 35, preferably arcuate or bevelled, for detachable locking of the driver 14.
  • the driver 14 is provided with a guide member 33 through which the driver 14 along the linear travel path 34 feasible and with the bend 35 is releasably lockable. Starting from the retracted end position of the driver 14 according to Fig.
  • the driver 14 - triggered by a manual pulling movement on the movable furniture part 3 - moves in the extension direction 31, wherein the first guide member 22a of the control element 22 along the extending in the extension direction 31, straight first portion 21a of the first guide track 21 is moved.
  • the distance D which is present between the axis 15 of the driver 14 and the first guide element 22a, initially remains constant.
  • the first guide member 22a along the helically shaped second portion 21b of the first guide track 21 moves, whereby the attachment point 18 of the spring device 16 on the spring holder 17 relative to the position of the moving in the extension direction 31 driver 14 falls back and thus the distance D1 - Compared to the distance D according to the Fig.
  • Fig. 4a and Fig. 4b - is increased.
  • the guide member 33 of the driver 14 moves into the bend 35, whereby the driver 14 is pivoted about the axis 15 and the notch 29 of the driver 14, the coupling element 36 (FIGS. Fig. 5a-5d ) of the movable furniture part 3 releases.
  • the uncoupled movable furniture part 3 is then further movable in the extension direction 31.
  • Fig. 4c is the driver 14 in a self-locking locked ready position for a feeding operation of the movable furniture part 3 against the extension direction 31.
  • Fig. 5a-5d show a further embodiment of a collection device 13 with a rotatably mounted driver 14 in different feed positions. Visible is a to the movable furniture part 3 to be fastened coupling element 36 which is detachably coupled to the driver 14.
  • the driver 14 is rotatably mounted coaxially to the longitudinal axis 23 of the control element 22 and comprises a transverse to the extension direction 31 inclined surface 37, which rotates the driver 14 about the longitudinal axis 23 in cooperation with the coupling element 36, so that the control element 22 also rotates about the rotation axis 23 and the first guide element 22a of the control element 22 is released from the locking position with the second section 21b of the first guide track 21.
  • the driver 14 is integrally formed together with the control member 22 and mounted on a slider 40 which is slidably supported by arranged on the slider 40 bolts 39 along a linear guide 38 of the housing 32.
  • the second guide track 25 is formed, which cooperates with the second guide element 22b of the control element 22.
  • the coupling element 36 cooperates with the inclined surface 37 of the driver 14. Characterized the driver 14 is rotated about the longitudinal axis 23 and coupled to the coupling element 36, wherein the first guide element 22a of the control element 22 is released by rotation of the control element 22 about the rotation axis 23 from the lock with the second portion 21b of the first guide track 21 and the coupled with the coupling element 36 driver 14 is fed together with the control element 22 by the force of the relaxing spring device 16 in the direction of the closed end position ( Fig. 5c ).
  • the first guide element 22a now cooperates with the first, in the extension direction 31 extending portion 21a of the first guide track 21, so that the driver 14 is moved together with the control member 22 without the execution of a rotational movement along the longitudinal axis 23 toward the closed position.
  • Fig. 5c is that, too End of the second portion 21b of the first guide track 21 recognizable, which for releasable locking with the first guide member 22a has a perpendicular to the axis of rotation 23 extending portion. Starting from the in Fig. 5c shown position of the driver 14, this is retractable together with the control pin 22 in the complete end position. If now the movable furniture part 3 is opened again, the driver 14 is starting from Fig.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Springs (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Einzugsvorrichtung zum Einziehen eines bewegbar gelagerten Möbelteiles in eine geschlossene Endlage relativ zu einem Möbelkorpus, umfassend:

  • einen Mitnehmer, der mit dem bewegbaren Möbelteil lösbar koppelbar ist,
  • wenigstens eine Federvorrichtung zur Kraftbeaufschlagung des Mitnehmers entgegengesetzt zur einer Auszugsrichtung des Mitnehmers, wobei die Federvorrichtung über einen vom Mitnehmer gesonderten Federhalter in der Auszugsrichtung des Mitnehmers spannbar ist,
  • eine Koppelvorrichtung zur Bewegungskopplung zwischen Mitnehmer und Federhalter, wobei sich durch die Koppelvorrichtung der Abstand einer Befestigungsstelle der Federvorrichtung am Federhalter relativ zum Mitnehmer beim Ausziehen des Mitnehmers in Auszugsrichtung verändert.
The present invention relates to a collection device for drawing a movably mounted furniture part in a closed end position relative to a furniture body, comprising:
  • a driver, which is releasably coupled to the movable furniture part,
  • at least one spring device for applying force to the driver opposite to an extension direction of the driver, wherein the spring device can be tensioned via a spring holder separate from the driver in the extension direction of the driver,
  • a coupling device for movement coupling between the driver and the spring holder, wherein changed by the coupling device, the distance of an attachment point of the spring device on the spring holder relative to the driver when pulling out the driver in the extension direction.

Im Weiteren betrifft die Erfindung eine Schubladenausziehführung mit einer Einzugsvorrichtung der zu beschreibenden Art sowie eine Anordnung mit einem bewegbar gelagerten Möbelteil, insbesondere einer Klappe, einer Türe oder einer Schublade, mit einer derartigen Einzugsvorrichtung zum Einziehen des bewegbaren Möbelteiles in eine geschlossene Endlage relativ zu einem Möbelkorpus.Furthermore, the invention relates to a drawer pull-out with a collection device of the type to be described and an arrangement with a movably mounted furniture part, in particular a flap, a door or a drawer, with such a collection device for pulling the movable furniture part in a closed end position relative to a furniture body ,

Einzugsvorrichtungen kommen insbesondere mit Schubladen oder Schiebetüren zum Einsatz, die über einen Großteil ihres Auszugsbereiches frei verfahrbar sind und die gegen Ende der Schließbewegung vom Mitnehmer der Einzugsvorrichtung erfasst, durch Federkraft in die geschlossene Endlage eingezogen und dort mit einer vorgegebenen Schließkraft gehalten werden. Beim Öffnen des bewegbaren Möbelteiles muss ein Benutzer zunächst durch Ziehen eine Kraft entgegen des Federwiderstandes der Einzugsvorrichtung aufbringen, bis der Mitnehmer nach einer vorgegebenen Wegstrecke vom bewegbaren Möbelteil entkoppelt und in eine vorgespannte Parkposition bewegt wird, in der die Feder in einer gespannten Bereitschaftsposition verharrt, sodass das bewegbare Möbelteil beim nächsten Schließvorgang erneut eingezogen werden kann. Für einen Benutzer macht sich die Entkopplung des Mitnehmers bei der Öffnungsbewegung der Schublade häufig mit einer ruckartigen Bewegung und einem Klickgeräusch bemerkbar, da infolge der plötzlichen Federabrisskraft die Schublade frei beweglich ist und aufgrund der zuvor ausgeübten Zugkraft in Öffnungsrichtung beschleunigt wird.Feeding devices are used, in particular, with drawers or sliding doors, which are freely movable over a large part of their pull-out area and which are grasped by the catch of the draw-in device towards the end of the closing movement, pulled into the closed end position by spring force and held there with a predetermined closing force. When opening the movable furniture part, a user must first apply by pulling a force against the spring resistance of the feeder until the driver is decoupled after a predetermined distance from the movable furniture part and moved to a preloaded parking position in which the spring remains in a cocked standby position, so the movable furniture part can be retracted again during the next closing process. For a user, the decoupling of the driver during the opening movement of the drawer often makes a jerky Movement and a click sound noticeable, as a result of the sudden spring breaking force, the drawer is free to move and is accelerated due to the previously applied tensile force in the opening direction.

Die WO 2011/150432 A1 der Anmelderin löst dieses Problem durch einen vom Mitnehmer gesonderten Federhalter, welcher entlang einer Steuerkurve verschiebbar geführt ist. Der Mitnehmer und der Federhalter sind dabei über eine Koppelvorrichtung in Form von ineinander greifenden Verzahnungen miteinander bewegungsgekoppelt verbunden. Beim Spannen der Federvorrichtung (d.h. beim Öffnen des bewegbaren Möbelteiles) fällt die Befestigungsstelle der Federvorrichtung am Federhalter gegenüber der Position des sich in Auszugsrichtung verfahrenden Mitnehmers zurück, sodass die Bewegung der Befestigungsstelle der Federvorrichtung langsamer als die Bewegung des Mitnehmers ist. Das Aufladen der Federvorrichtung erfolgt dadurch mit einem reduzierten Kraftaufwand, der unerwünschte Federabriss und eine damit verbundene, übermäßige Beschleunigung des bewegbaren Möbelteiles beim Entkuppeln des Mitnehmers kann damit verhindert werden. Ein Nachteil dieser Konstruktion besteht darin, dass die Bauhöhe der Einzugsvorrichtung aufgrund der ineinander greifenden Verzahnungen relativ groß zu dimensionieren ist.The WO 2011/150432 A1 Applicant solves this problem by a separate from the driver spring holder which is guided displaceably along a control cam. The driver and the spring holder are connected to each other via a coupling device in the form of interlocking teeth motion coupled. When tensioning the spring device (ie, when opening the movable furniture part) falls the attachment point of the spring device on the spring holder relative to the position of the traversing in the extension direction driver, so that the movement of the attachment point of the spring device is slower than the movement of the driver. The charging of the spring device is characterized with a reduced effort, the unwanted spring break and an associated, excessive acceleration of the movable furniture part when uncoupling the driver can be prevented. A disadvantage of this construction is that the overall height of the feeder device is relatively large due to the interlocking teeth.

Aufgabe der vorliegenden Erfindung ist es, eine Einzugsvorrichtung der eingangs erwähnten Gattung mit einer kompakteren Bauweise anzugeben.Object of the present invention is to provide a collection device of the type mentioned above with a more compact design.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Unteransprüchen angegeben.This is achieved by the features of claim 1. Further advantageous embodiments of the invention are specified in the dependent subclaims.

Gemäß der Erfindung ist also vorgesehen, dass die Koppelvorrichtung wenigstens ein Steuerelement mit einer in Auszugsrichtung verlaufenden Längsachse aufweist, wobei sich das Steuerelement beim Ausziehen des Mitnehmers in Auszugsrichtung zur Veränderung des Abstandes, welcher zwischen der Befestigungsstelle und dem Mitnehmer vorliegt, zumindest abschnittsweise um die Längsachse dreht.According to the invention, it is thus provided that the coupling device has at least one control element with a longitudinal axis extending in the extension direction, the control element, when the driver is pulled out in the extension direction for changing the distance, which is present between the fastening point and the driver, at least in sections about the longitudinal axis rotates.

Somit ist zur Bewegungskopplung zwischen dem Mitnehmer und der Befestigungsstelle der Federvorrichtung am Federhalter eine als Kraftabsenkmechanik ausgebildete Koppelvorrichtung mit einem Steuerelement vorgesehen, welches sich beim Ausziehen des Mitnehmers um eine eigene Längsachse dreht. Das Steuerelement ist somit beim Ausziehen des Mitnehmers gezwungen, sich mit einer Bewegungskomponente quer zur Auszugsrichtung des Mitnehmers zu bewegen, sodass sich der Abstand zwischen dem Mitnehmer und der Befestigungsstelle vergrößert und die Bewegung der Befestigungsstelle beim Ausziehen des Mitnehmers relativ zu dem in Auszugsrichtung verfahrenden Mitnehmers verlangsamt wird.Thus, for the movement coupling between the driver and the attachment point of the spring device on the spring holder designed as Kraftabsenkmechanik Coupling device provided with a control which rotates when pulling the driver about its own longitudinal axis. The control is thus forced when pulling out the driver to move with a component of movement transversely to the extension direction of the driver, so that increases the distance between the driver and the attachment point and slows down the movement of the attachment point when pulling out the driver relative to the traversing in the extension direction driver becomes.

Durch eine Drehbewegung des Steuerelementes um die eigene Achse wird also das Steuerelement mit einer Komponente quer zur Auszugsrichtung des Mitnehmers geführt, sodass also das Steuerelement - bezogen auf die Auszugsrichtung - weniger Weg als der in Auszugrichtung verfahrende Mitnehmer zurücklegt. Durch die schraubenförmige Bewegung des Steuerelementes und die damit verbundene gleichbleibende Ausdehnung des Steuerelementes im Raum ergibt sich eine sehr kompakte Bauform der Einzugsvorrichtung.By a rotational movement of the control element about its own axis so the control is performed with a component transverse to the extension direction of the driver, so that so the control - based on the extension direction - travels less way than the traversing in the extension direction driver. Due to the helical movement of the control and the concomitant constant expansion of the control in space results in a very compact design of the feeder.

Das Steuerelement kann zumindest ein erstes Führungselement aufweisen, welches beim Ausziehen des Mitnehmers in Auszugsrichtung zumindest abschnittsweise entlang einer ersten Führungsbahn geführt ist. Dabei kann die erste Führungsbahn einen in Auszugsrichtung des Mitnehmers verlaufenden ersten Abschnitt und einen an den ersten Abschnitt anschließenden, schraubenförmig ausgebildeten zweiten Abschnitt umfassen.The control element can have at least one first guide element which, when the driver is pulled out in the extension direction, is guided at least in sections along a first guide track. In this case, the first guide track may comprise a first section extending in the extension direction of the driver and a second section connected helically to the first section.

Durch den in Auszugsrichtung verlaufenden ersten Abschnitt kann sich die Befestigungsstelle der Federvorrichtung, ausgehend von der eingezogenen Endlage des Mitnehmers, zunächst mit der gleichen Geschwindigkeit als der Mitnehmer in Auszugsrichtung bewegen. Durch den schraubenförmig ausgebildeten zweiten Abschnitt (welcher eine Komponente quer zur Auszugsrichtung des Mitnehmers aufweist), fällt die Befestigungsstelle der Federvorrichtung am Federhalter gegenüber der Position des verfahrenden Mitnehmers zurück, sodass also gegen Ende des Auszugsweges des Mitnehmers die Befestigungsstelle der Federvorrichtung am Federhalter langsamer als die Bewegung des Mitnehmers ist. Die Steigung des zweiten Abschnitts der ersten Führungsbahn bestimmt den Grad der Verlangsamung der Befestigungsstelle relativ zum Mitnehmer.By extending in the extension direction first section, the attachment point of the spring device, starting from the retracted end position of the driver, initially move at the same speed as the driver in the extension direction. Due to the helically shaped second portion (which has a component transverse to the extension direction of the driver), the attachment point of the spring device falls back on the spring holder relative to the position of the traveling carrier, so that towards the end of the excursion path of the driver, the attachment point of the spring device on the spring holder slower than the Movement of the driver is. The slope of the second portion of the first guideway determines the degree of deceleration of the attachment point relative to the driver.

Durch das Führen der Befestigungsstelle der Federvorrichtung entlang des schraubenförmig ausgebildeten zweiten Abschnitts wird also eine kontinuierliche, verlangsamte Bewegung der Befestigungsstelle relativ zu dem sich in Auszugsrichtung bewegenden Mitnehmers herbeigeführt, sodass die Federvorrichtung nicht bis zur maximalen Federauslenkung gespannt wird. Das Spannen der Federvorrichtung erfordert somit weniger Kraftaufwand, wobei der Übergangsbereich bzw. die Lastwechsel zwischen der gekoppelten und der ungekoppelten Stellung des Mitnehmers harmonisiert werden, d.h. der unerwünschte Federabriss und eine damit verbundene unerwünschte Beschleunigung des bewegbaren Möbelteiles beim Entkoppeln des Mitnehmers kann damit verhindert werden.By guiding the attachment point of the spring device along the helically shaped second section, therefore, a continuous, slowed movement of the attachment point is brought about relative to the driver moving in the extension direction, so that the spring device is not tensioned to the maximum spring deflection. The tensioning of the spring device thus requires less effort, with the transition region or load changes between the coupled and uncoupled positions of the carrier being harmonized, i. the unwanted spring break and an associated unwanted acceleration of the movable furniture part when decoupling the driver can thus be prevented.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand der nachfolgenden Figurenbeschreibung erläutert. Dabei zeigt bzw. zeigen:

Fig. 1
eine perspektivische Darstellung eines Möbels mit einem Möbelkorpus und relativ dazu bewegbar gelagerten Schubladen,
Fig. 2
eine Explosionsdarstellung einer Einzugsvorrichtung zum Einziehen eines bewegbar gelagerten Möbelteiles in eine geschlossene Endlage relativ zu einem Möbelkorpus,
Fig. 3a-3c
perspektivische Ansichten der Einzugsvorrichtung bei verschiedenen Stellungen des Mitnehmers in Auszugsrichtung,
Fig. 4a-4c
Seitenansichten der Einzugsvorrichtung bei verschiedenen Stellungen des Mitnehmers in Auszugsrichtung,
Fig. 5a-5d
eine weiteres Ausführungsbeispiel einer Einzugsvorrichtung mit einem drehbar gelagerten Mitnehmer in verschiedenen Einzugsstellungen.
Further details and advantages of the invention will be explained with reference to the following description of the figures. It shows or show:
Fig. 1
a perspective view of a piece of furniture with a furniture body and relatively movably mounted drawers,
Fig. 2
an exploded view of a feeder device for drawing a movably mounted furniture part in a closed end position relative to a furniture body,
Fig. 3a-3c
perspective views of the intake device at different positions of the driver in the extension direction,
Fig. 4a-4c
Side views of the intake device at different positions of the driver in the extension direction,
Fig. 5a-5d
a further embodiment of a collection device with a rotatably mounted driver in different feed positions.

Fig. 1 zeigt ein Möbel 1 mit einem schrankförmigen Möbelkorpus 2 und relativ dazu bewegbar gelagerten Möbelteilen 3 in Form von Schubladen 4. Die Schubladen 4 umfassen jeweils eine Frontblende 5, einen Schubladenboden 6, Seitenwände 7 und eine Rückwand 8. Über den Seitenwänden 7 sind Streben 9 vorgesehen, die sich zwischen der Frontblende 5 und der Rückwand 8 erstrecken und die zur Vergrößerung des Aufnahmevolumens der Schublade 4 vorgesehen sind. Zur verfahrbaren Lagerung der Schubladen 4 relativ zum Möbelkorpus 2 sind Schubladenausziehführungen 10 vorgesehen, welche jeweils eine am Möbelkorpus 2 zu befestigende Korpusschiene 11 und zumindest eine mit der Schublade 4 zu verbindende Ausziehschiene 12 aufweisen, welche relativ zur stationären Korpusschiene 11 verschiebbar gelagert ist. Zwischen der Korpusschiene 11 und der Ausziehschiene 12 kann noch eine zusätzliche verschiebbare Mittelschiene angeordnet werden, durch welche ein Vollauszug der Schublade 4 ermöglicht werden kann. Ein solcher Vollauszug liegt dann vor, wenn die Rückwand 8 im voll ausgezogenen Zustand der Schublade 4 etwa bündig zur Stirnseite des Möbelkorpus 2 verläuft. Fig. 1 shows a piece of furniture 1 with a cabinet-shaped furniture body 2 and movably mounted furniture parts 3 in the form of drawers 4. The drawers 4 each comprise a front panel 5, a drawer bottom 6, side walls 7 and a rear wall 8. Over the side walls 7 struts 9 are provided which extend between the front panel 5 and the rear wall 8 and which are provided to increase the receiving volume of the drawer 4. For mobile storage the drawers 4 relative to the furniture body 2 Schubladenausziehführungen 10 are provided which each have a to the furniture body 2 to be fastened carcass rail 11 and at least one to be connected to the drawer 4 pull-out rail 12 which is slidably mounted relative to the stationary carcass rail 11. Between the carcass rail 11 and the pull-out rail 12, an additional displaceable center rail can still be arranged, by which a full extension of the drawer 4 can be made possible. Such a full extension is present when the rear wall 8 in the fully extended state of the drawer 4 is approximately flush with the end face of the furniture body 2.

Fig. 2 zeigt eine Explosionsdarstellung einer Einzugsvorrichtung 13, durch welche ein bewegbar gelagertes Möbelteil 3 in eine geschlossene Endlage relativ zum Möbelkorpus 2 einziehbar ist. Die Einzugsvorrichtung 13 umfasst - wie an sich bekannt - einen um eine Achse 15 kippbar gelagerten Mitnehmer 14, welcher mit dem bewegbaren Möbelteil 3 lösbar koppelbar ist. Hierfür weist der Mitnehmer 14 eine Kerbe 29 auf, welche mit einem am bewegbar gelagerten Möbelteil 3 angeordneten Koppelelement 36 (Fig. 5a-5c), beispielsweise in Form eines Zapfens, lösbar koppelbar ist. Zur Kraftbeaufschlagung des Mitnehmers 14 entgegengesetzt zur Auszugsrichtung 31 (Fig. 3a-3c) ist eine Federvorrichtung 16 vorgesehen, die vorzugsweise zumindest eine als Schraubenfeder ausgebildete Zugfeder umfasst. Zur Erhöhung der Federkraft kann die Federvorrichtung 16 auch zwei oder mehr parallel geschaltete Zugfedern aufweisen. Die Federvorrichtung 16 weist eine Befestigungsstelle 18 zur Verbindung mit einem vom Mitnehmer 14 gesonderten Federhalter 17 auf, das andere Ende 19 der Federvorrichtung 16 ist in Montagelage feststehend angeordnet (beispielsweise fest an der Korpusschiene 11 der Schubladenausziehführung 10 verankert). Alternativ dazu ist es möglich, dass die Einzugsvorrichtung 13 an verfahrbaren Ausziehschiene 12 gelagert und damit relativ zur Korpusschiene 11 verschiebbar angeordnet ist, wobei der Mitnehmer 14 mit einem an der Korpusschiene 11 gelagerten Koppelelement 36 lösbar koppelbar ist. Fig. 2 shows an exploded view of a feeder device 13 through which a movably mounted furniture part 3 is retractable relative to the furniture body 2 in a closed end position. The intake device 13 comprises - as known per se - a tiltable about an axis 15 driver 14 which is releasably coupled to the movable furniture part 3. For this purpose, the driver 14 has a notch 29, which with a movably mounted on the furniture part 3 arranged coupling element 36 (FIG. Fig. 5a-5c ), for example in the form of a pin, is releasably coupled. For applying force to the driver 14 opposite to the extension direction 31 (FIG. Fig. 3a-3c ) A spring device 16 is provided, which preferably comprises at least one designed as a helical spring tension spring. To increase the spring force, the spring device 16 may also have two or more tension springs connected in parallel. The spring device 16 has an attachment point 18 for connection to a separate from the driver 14 spring retainer 17, the other end 19 of the spring device 16 is fixedly disposed in the mounting position (for example, firmly anchored to the carcass rail 11 of the drawer extension guide 10). Alternatively, it is possible that the collection device 13 is mounted on movable pull-out rail 12 and thus arranged displaceable relative to the carcass rail 11, wherein the driver 14 is releasably coupled with a bearing on the carcass rail 11 coupling element 36.

Zur Bewegungskopplung zwischen dem Mitnehmer 14 und der Befestigungsstelle 18 der Federvorrichtung 16 am Federhalter 17 ist eine Koppelvorrichtung 30 vorgesehen, welche wenigstens ein Steuerelement 22 mit einer Längsachse 23 aufweist. Dieses Steuerelement 22 verdreht sich beim Ausziehen des Mitnehmers 14 um diese Längsachse 23, wobei das Steuerelement 22 bei einer Bewegung des Mitnehmers 14 in Auszugsrichtung 31 eine Rotationsbewegung um die Längsachse 23 und eine Translationsbewegung entlang der Längsachse 23 ausführt. Das Steuerelement 22 umfasst zumindest ein erstes Führungselement 22a, welches beim Ausziehen des Mitnehmers 14 in Auszugsrichtung 31 zumindest abschnittsweise entlang einer ersten Führungsbahn 21 geführt ist. Diese Führungsbahn 21 ist in der gezeigten Figur an einer ersten Hülse 20 angeordnet oder ausgebildet und weist einen in Auszugsrichtung 31 des Mitnehmers 14 verlaufenden ersten Abschnitt 21a und einen an den ersten Abschnitt 21a anschließenden, schraubenförmig ausgebildeten zweiten Abschnitt 21b auf. Beim Ausziehen des Mitnehmers 14 ausgehend von der geschlossenen Endlage des bewegbaren Möbelteiles 3 wird das erste Führungselement 22a des Steuerelementes 22 entlang des ersten Abschnitts 21a geführt, wobei gleiche Bewegungsverhältnisse zwischen dem Mitnehmer 14 und der Befestigungsstelle 18 der Federvorrichtung 16 vorliegen. Gegen Ende der Ausziehbewegung des Mitnehmers 14 wird das erste Führungselement 22a entlang des schraubenförmig ausgebildeten zweiten Abschnitts 21b der ersten Führungsbahn 21 geführt, wodurch das Steuerelement 22 mit einer Bewegungskomponente quer zur Auszugsrichtung 31 geführt wird. Dadurch fällt die Position der Befestigungsstelle 18 der Federvorrichtung 16 relativ zur Position des in Auszugsrichtung 31 verfahrenden Mitnehmers 14 zurück, sodass die Bewegung der Befestigungsstelle 18 relativ zur Bewegung des Mitnehmers 14 verlangsamt wird. Auf diese Weise wird die Federvorrichtung 16 nicht bis zur maximalen Auslenkung gespannt, sodass beim Entkoppeln des Mitnehmers 14 vom bewegbaren Möbelteil 3 der Effekt der plötzlich abreißenden Federkraft verhindert wird.For coupling movement between the driver 14 and the attachment point 18 of the spring device 16 on the spring holder 17, a coupling device 30 is provided which has at least one control element 22 with a longitudinal axis 23. This control 22 twists when pulling out the driver 14 to this Longitudinal axis 23, wherein the control element 22 during a movement of the driver 14 in the extension direction 31 performs a rotational movement about the longitudinal axis 23 and a translational movement along the longitudinal axis 23. The control element 22 comprises at least one first guide element 22a, which is guided at least in sections along a first guide track 21 when the driver 14 is pulled out in the extension direction 31. In the figure shown, this guide track 21 is arranged or formed on a first sleeve 20 and has a first section 21a extending in the extension direction 31 of the driver 14 and a helical second section 21b adjoining the first section 21a. When pulling out of the driver 14, starting from the closed end position of the movable furniture part 3, the first guide element 22a of the control element 22 is guided along the first portion 21a, wherein the same movement conditions between the driver 14 and the attachment point 18 of the spring device 16 are present. Towards the end of the pull-out movement of the driver 14, the first guide element 22a is guided along the helically shaped second section 21b of the first guide track 21, whereby the control element 22 is guided with a movement component transversely to the extension direction 31. As a result, the position of the attachment point 18 of the spring device 16 falls back relative to the position of the carrier 14 traveling in the extension direction 31, so that the movement of the attachment point 18 is slowed down relative to the movement of the carrier 14. In this way, the spring device 16 is not stretched to the maximum deflection, so that the decoupling of the driver 14 from the movable furniture part 3, the effect of the sudden tearing spring force is prevented.

Am gegenüberliegenden Endbereich des Steuerelementes 22 ist ein zweites Führungselement 22b angeordnet, welches vom ersten Führungselement 22a in Richtung der Längsachse 23 beabstandet ist. Dieses zweite Führungselement 22b ist entlang einer zweiten Führungsbahn 25 verschiebbar gelagert, wobei der zweite Abschnitt 21b der ersten Führungsbahn 21 und die zweite Führungsbahn 25 zumindest abschnittsweise einen entgegengesetzten Schraubensinn aufweisen. Die schraubenförmige, zweite Führungsbahn 25 ist an einer zweiten Hülse 24 ausgebildet, wobei die erste Hülse 20 und die zweite Hülse 24 unverdrehbar miteinander verbunden sind. Dies kann durch einen an der zweiten Hülse 24 angeordneten Steg 26 erreicht werden, welcher in eine korrespondierende, längliche Ausnehmung 27 der ersten Hülse 20 eingreift. Somit ist die erste Hülse 20 feststehend angeordnet, die zweite Hülse 24 kann sich relativ zur ersten Hülse 20 nur verschieben, aber nicht verdrehen. Das Steuerelement 22 wird über die beiden Führungselemente 22a, 22b entlang der beiden Führungsbahnen 21, 25 der Hülsen 20, 24 geführt, wobei sich das Steuerelement 22 beim Zusammenwirken des ersten Führungselementes 22b mit dem schraubenförmigen Abschnitt 21b der Hülse 20 um die Längsachse 23 verdreht und damit eine verlangsamte Bewegung der Befestigungsstelle 18 relativ zum verfahrenden Mitnehmer 14 herbeiführt.At the opposite end region of the control element 22, a second guide element 22 b is arranged, which is spaced from the first guide element 22 a in the direction of the longitudinal axis 23. This second guide element 22b is displaceably mounted along a second guide track 25, wherein the second section 21b of the first guide track 21 and the second guide track 25 at least in sections have an opposite helical sense. The helical, second guide track 25 is formed on a second sleeve 24, wherein the first sleeve 20 and the second sleeve 24 are non-rotatably connected to each other. This can be achieved by means disposed on the second sleeve 24 web 26, which in a corresponding, elongated recess 27 of the first sleeve 20 engages. Thus, the first sleeve 20 is fixedly arranged, the second sleeve 24 can move relative to the first sleeve 20 only, but not twist. The control element 22 is guided over the two guide elements 22a, 22b along the two guide tracks 21, 25 of the sleeves 20, 24, whereby the control element 22 is rotated about the longitudinal axis 23 during the interaction of the first guide element 22b with the helical section 21b of the sleeve 20 Thus, a slowed movement of the attachment point 18 relative to the moving carrier 14 causes.

Fig. 3a-3c zeigen die Einzugsvorrichtung 13 bei verschiedenen Stellungen des Mitnehmers 14 in Auszugsrichtung 31. Fig. 3a zeigt die eingezogene Endstellung des Mitnehmers 14, wobei die Federvorrichtung 16 weitgehend entspannt ist. Die Federvorrichtung 16 ist über die Befestigungsstelle 18 mit dem Federhalter 17 verbunden, welcher wiederum über das Kupplungsstück 28 mit dem Steuerelement 22 in Verbindung steht. Das erste Führungselement 22a befindet sich an einem ersten Ende des ersten Abschnitts 21a der ersten Führungsbahn 21, während das zweite Führungselement 22b mit der schraubenförmigen, zweiten Führungsbahn 25 der zweiten Hülse 24 zusammenwirkt. In der eingezogenen Endstellung des Mitnehmers 14 liegen die Stirnseiten der beiden Hülsen 20, 24 aneinander an, wobei das Steuerelement 22 innerhalb der beiden Hülsen 20, 24 aufgenommen ist. Auf diese Weise ergibt sich eine besonders kompakte Bauweise. Fig. 3a-3c show the collection device 13 at different positions of the driver 14 in the extension direction 31st Fig. 3a shows the retracted end position of the driver 14, wherein the spring device 16 is largely relaxed. The spring device 16 is connected via the attachment point 18 with the spring holder 17, which in turn is connected via the coupling piece 28 with the control element 22 in connection. The first guide element 22a is located at a first end of the first portion 21a of the first guide track 21, while the second guide element 22b cooperates with the helical, second guide track 25 of the second sleeve 24. In the retracted end position of the driver 14, the end faces of the two sleeves 20, 24 abut each other, wherein the control element 22 is received within the two sleeves 20, 24. In this way, a particularly compact design results.

Fig. 3b zeigt eine geringfügig ausgezogene Stellung des Mitnehmers 14, welcher durch eine manuelle Zugbewegung auf das bewegbare Möbelteil 3 in Auszugsrichtung 31 entgegen der Kraft der Federvorrichtung 16 bewegbar ist. Das Steuerelement 22a wird zunächst entlang des geraden, in Auszugsrichtung 31 verlaufenden ersten Abschnitts 21a der ersten Führungsbahn 21 geführt, wobei sich die Befestigungsstelle 18 mit derselben Geschwindigkeit als der Mitnehmer 14 bewegt. Der Abstand D (Fig. 4a, 4b) der Befestigungsstelle 18 relativ zum Mitnehmer 14 bleibt daher vorläufig konstant. Im Anschluss an die in Fig. 3b gezeigte Stellung wirkt das erste Führungselement 22a mit dem schraubenförmig ausgebildeten, zweiten Abschnitt 21b der ersten Führungsbahn 21 zusammen. Das Steuerelement 22 wird dadurch mit einer Bewegungskomponente quer zur Auszugsrichtung 31 geführt, wodurch der Abstand D1 (Fig. 4c) zwischen der Befestigungsstelle 18 und dem Mitnehmer 14 vergrößert und folglich die Geschwindigkeit der Befestigungsstelle 18 relativ zur Geschwindigkeit des Mitnehmers 14 verlangsamt wird. Fig. 3c zeigt die vollständig ausgezogene Stellung des Mitnehmers 14, wobei sich das erste Führungselement 22a am Ende des zweiten Abschnitts 21b der ersten Führungsbahn 21 befindet. Fig. 3b shows a slightly extended position of the driver 14, which is movable by a manual pulling movement on the movable furniture part 3 in the extension direction 31 against the force of the spring device 16. The control element 22a is first guided along the straight, extending in the extension direction 31 first portion 21a of the first guide track 21, wherein the attachment point 18 moves at the same speed as the driver 14. The distance D ( Fig. 4a, 4b ) of the attachment point 18 relative to the driver 14 therefore remains provisionally constant. Following in the Fig. 3b As shown, the first guide element 22a cooperates with the helically shaped, second section 21b of the first guide track 21. The control element 22 is thereby guided with a movement component transversely to the extension direction 31, whereby the distance D1 (FIG. Fig. 4c ) between the attachment point 18 and the driver 14 increases and consequently the Speed of the attachment point 18 is slowed relative to the speed of the driver 14. Fig. 3c shows the fully extended position of the driver 14, wherein the first guide member 22a at the end of the second portion 21b of the first guide track 21 is located.

Fig. 4a-4c zeigen Seitenansichten der Einzugsvorrichtung 13 bei verschiedenen Stellungen des Mitnehmers 14 in Auszugsrichtung 31. Die Einzugsvorrichtung 13 weist ein Gehäuse 32 auf, an welchem ein in Auszugsrichtung 31 verlaufender, linearer Verfahrweg 34 zur Führung des Mitnehmers 14 angeordnet oder ausgebildet ist. An den linearen Verfahrweg 34 schließt sich eine, vorzugsweise bogenförmige oder abgekantete, Abbiegung 35 zur lösbaren Verriegelung des Mitnehmers 14 an. Der Mitnehmer 14 ist mit einem Führungsteil 33 versehen, durch den der Mitnehmer 14 entlang des linearen Verfahrweges 34 führbar und mit der Abbiegung 35 lösbar verriegelbar ist. Ausgehend von der eingezogenen Endstellung des Mitnehmers 14 gemäß Fig. 4a wird der Mitnehmer 14 - ausgelöst durch eine manuelle Zugbewegung auf das bewegbare Möbelteil 3 - in Auszugsrichtung 31 bewegt, wobei das erste Führungselement 22a des Steuerelementes 22 entlang des in Auszugsrichtung 31 verlaufenden, geraden ersten Abschnitts 21a der ersten Führungsbahn 21 bewegt wird. Der Abstand D, welcher zwischen der Achse 15 des Mitnehmers 14 und dem ersten Führungselement 22a vorliegt, bleibt zunächst konstant. Ausgehend von der in Fig. 4b gezeigten Auszugsstellung des Mitnehmers 14 wird das erste Führungselement 22a entlang des schraubenförmig ausgebildeten zweiten Abschnitts 21b der ersten Führungsbahn 21 bewegt, wodurch die Befestigungsstelle 18 der Federvorrichtung 16 am Federhalter 17 gegenüber der Position des sich in Auszugsrichtung 31 verfahrenden Mitnehmers 14 zurückfällt und somit der Abstand D1 - im Vergleich zum Abstand D gemäß der Fig. 4a und Fig. 4b - vergrößert wird. Der Führungsteil 33 des Mitnehmers 14 fährt in die Abbiegung 35 ein, wodurch der Mitnehmer 14 um die Achse 15 verschwenkt und die Kerbe 29 des Mitnehmers 14 das Koppelelement 36 (Fig. 5a-5d) des bewegbaren Möbelteiles 3 freigibt. Das ungekoppelte bewegbare Möbelteil 3 ist anschließend weiter in Auszugsrichtung 31 bewegbar. In Fig. 4c befindet sich der Mitnehmer 14 in einer selbsthemmend arretierten Bereitschaftsposition für einen Einzugsvorgang des bewegbaren Möbelteiles 3 entgegen der Auszugsrichtung 31. Beim Schließen des bewegbaren Möbelteiles 3 wird dieses nämlich wieder mit der Kerbe 29 des Mitnehmers 14 gekoppelt, sodass das Führungselement 33 aus der Abbiegung 35 herausbewegt und der Mitnehmer 14 durch die Kraft der sich entspannenden Federvorrichtung 16 wieder in die eingezogene Endstellung gemäß Fig. 4a eingezogen wird. Fig. 4a-4c show side views of the retraction device 13 at different positions of the driver 14 in the extension direction 31. The retraction device 13 has a housing 32, on which a extending in the extension direction 31, linear travel path 34 for guiding the driver 14 is arranged or formed. The linear travel path 34 is adjoined by a bend 35, preferably arcuate or bevelled, for detachable locking of the driver 14. The driver 14 is provided with a guide member 33 through which the driver 14 along the linear travel path 34 feasible and with the bend 35 is releasably lockable. Starting from the retracted end position of the driver 14 according to Fig. 4a the driver 14 - triggered by a manual pulling movement on the movable furniture part 3 - moves in the extension direction 31, wherein the first guide member 22a of the control element 22 along the extending in the extension direction 31, straight first portion 21a of the first guide track 21 is moved. The distance D, which is present between the axis 15 of the driver 14 and the first guide element 22a, initially remains constant. Starting from the in Fig. 4b shown extract position of the driver 14, the first guide member 22a along the helically shaped second portion 21b of the first guide track 21 moves, whereby the attachment point 18 of the spring device 16 on the spring holder 17 relative to the position of the moving in the extension direction 31 driver 14 falls back and thus the distance D1 - Compared to the distance D according to the Fig. 4a and Fig. 4b - is increased. The guide member 33 of the driver 14 moves into the bend 35, whereby the driver 14 is pivoted about the axis 15 and the notch 29 of the driver 14, the coupling element 36 (FIGS. Fig. 5a-5d ) of the movable furniture part 3 releases. The uncoupled movable furniture part 3 is then further movable in the extension direction 31. In Fig. 4c is the driver 14 in a self-locking locked ready position for a feeding operation of the movable furniture part 3 against the extension direction 31. When closing the movable furniture part 3, this is namely coupled again with the notch 29 of the driver 14, so that the guide member 33 from the Bend 35 moved out and the driver 14 by the force of the relaxing spring device 16 back into the retracted end position according to Fig. 4a is withdrawn.

Fig. 5a-5d zeigen ein weiteres Ausführungsbeispiel einer Einzugsvorrichtung 13 mit einem drehbar gelagerten Mitnehmer 14 in verschiedenen Einzugsstellungen. Erkennbar ist ein am bewegbaren Möbelteil 3 zu befestigendes Koppelelement 36, welches mit dem Mitnehmer 14 lösbar koppelbar ist. Der Mitnehmer 14 ist koaxial zur Längsachse 23 des Steuerelementes 22 drehbar gelagert und umfasst eine quer zur Auszugsrichtung 31 verlaufende Schrägfläche 37, welche beim Zusammenwirken mit dem Koppelelement 36 den Mitnehmer 14 um die Längsachse 23 rotiert, sodass das Steuerelement 22 ebenfalls um die Drehachse 23 mitverdreht wird und das erste Führungselement 22a des Steuerelementes 22 aus der Verriegelungsstellung mit dem zweiten Abschnitt 21b der ersten Führungsbahn 21 gelöst wird. Vorzugsweise ist dabei vorgesehen, dass der Mitnehmer 14 zusammen mit dem Steuerelement 22 einstückig ausgebildet und auf einem Schieber 40 gelagert ist, welcher durch am Schieber 40 angeordnete Bolzen 39 entlang einer Linearführung 38 des Gehäuses 32 verschiebbar gelagert ist. Am linear verfahrbaren Schieber 40 ist die zweite Führungsbahn 25 ausgebildet, welche mit dem zweiten Führungselement 22b des Steuerelementes 22 zusammenwirkt. Fig. 5a-5d show a further embodiment of a collection device 13 with a rotatably mounted driver 14 in different feed positions. Visible is a to the movable furniture part 3 to be fastened coupling element 36 which is detachably coupled to the driver 14. The driver 14 is rotatably mounted coaxially to the longitudinal axis 23 of the control element 22 and comprises a transverse to the extension direction 31 inclined surface 37, which rotates the driver 14 about the longitudinal axis 23 in cooperation with the coupling element 36, so that the control element 22 also rotates about the rotation axis 23 and the first guide element 22a of the control element 22 is released from the locking position with the second section 21b of the first guide track 21. Preferably, it is provided that the driver 14 is integrally formed together with the control member 22 and mounted on a slider 40 which is slidably supported by arranged on the slider 40 bolts 39 along a linear guide 38 of the housing 32. On the linearly movable slide 40, the second guide track 25 is formed, which cooperates with the second guide element 22b of the control element 22.

Wenn nun das bewegbare Möbelteil 3 geschlossen wird (Fig. 3b), so wirkt das Koppelelement 36 mit der Schrägfläche 37 des Mitnehmers 14 zusammen. Dadurch wird der Mitnehmer 14 um die Längsachse 23 verdreht und mit dem Koppelelement 36 gekoppelt, wobei das erste Führungselement 22a des Steuerelementes 22 durch Drehung des Steuerelementes 22 um die Drehachse 23 aus der Verriegelung mit dem zweiten Abschnitt 21b der ersten Führungsbahn 21 gelöst wird und wobei der mit dem Koppelelement 36 gekoppelte Mitnehmer 14 zusammen mit dem Steuerelement 22 durch die Kraft der sich entspannenden Federvorrichtung 16 in Richtung der geschlossenen Endlage eingezogen wird (Fig. 5c). Das erste Führungselement 22a wirkt nun mit dem ersten, in Auszugsrichtung 31 verlaufenden Abschnitt 21a der ersten Führungsbahn 21 zusammen, sodass der Mitnehmer 14 zusammen mit dem Steuerelement 22 ohne die Ausführung einer Rotationsbewegung entlang der Längsachse 23 in Richtung Schließstellung verschoben wird. In Fig. 5c ist auch das Ende des zweiten Abschnitts 21b der ersten Führungsbahn 21 erkennbar, welches zur lösbaren Verriegelung mit dem ersten Führungselement 22a einen rechtwinklig zur Drehachse 23 verlaufenden Abschnitt aufweist. Ausgehend von der in Fig. 5c gezeigten Stellung des Mitnehmers 14 ist dieser zusammen mit dem Steuerbolzen 22 in die vollständige Endlage einziehbar. Wird nun das bewegbare Möbelteil 3 wieder geöffnet, so wird der Mitnehmer 14 ausgehend von Fig. 5d durch das Koppelelement 14 wieder in Auszugsrichtung 31 gezogen, wobei das Steuerelement 22 gegen Ende dieser Auszugsbewegung durch die mit den Führungsbahnen 21, 25 zusammenwirkenden Führungselemente 22a, 22b wieder um die Drehachse 23 rotiert, sodass der Mitnehmer 14 ebenfalls um die Drehachse 23 rotiert wird und das Koppelelement 36 für die weitere Auszugsbewegung vom Mitnehmer 14 freigegeben wird.If now the movable furniture part 3 is closed ( Fig. 3b ), the coupling element 36 cooperates with the inclined surface 37 of the driver 14. Characterized the driver 14 is rotated about the longitudinal axis 23 and coupled to the coupling element 36, wherein the first guide element 22a of the control element 22 is released by rotation of the control element 22 about the rotation axis 23 from the lock with the second portion 21b of the first guide track 21 and the coupled with the coupling element 36 driver 14 is fed together with the control element 22 by the force of the relaxing spring device 16 in the direction of the closed end position ( Fig. 5c ). The first guide element 22a now cooperates with the first, in the extension direction 31 extending portion 21a of the first guide track 21, so that the driver 14 is moved together with the control member 22 without the execution of a rotational movement along the longitudinal axis 23 toward the closed position. In Fig. 5c is that, too End of the second portion 21b of the first guide track 21 recognizable, which for releasable locking with the first guide member 22a has a perpendicular to the axis of rotation 23 extending portion. Starting from the in Fig. 5c shown position of the driver 14, this is retractable together with the control pin 22 in the complete end position. If now the movable furniture part 3 is opened again, the driver 14 is starting from Fig. 5d pulled by the coupling element 14 again in the extension direction 31, wherein the control member 22 at the end of this extension movement by the guide tracks 21, 25 cooperating guide elements 22a, 22b again rotated about the rotation axis 23, so that the driver 14 is also rotated about the rotation axis 23 and the coupling element 36 is released for further extension movement of the driver 14.

Claims (14)

  1. A retraction device (13) for retracting a movably-supported furniture part (3) into a closed end position relative to a furniture carcass (2), including:
    - an entrainment member (14) configured to be releasably coupled to the movable furniture part (3),
    - at least one spring device (16) for applying a force to the entrainment member (14) in a direction opposite to an extension direction (31) of the entrainment member (14), wherein the spring device (16) is configured to be tensioned in the extension direction (31) of the entrainment member (14) by a spring holder (17) separate from the entrainment member (14),
    - a coupling device (30) for coupling a movement between the entrainment member (14) and the spring holder (17), the coupling device (30) being configured to vary a distance (D) between a fastening location (18) of the spring device (16) on the spring holder (17) and the entrainment member (14) upon extending the entrainment member (14) in the extension direction (31),
    characterized in that the coupling device (30) includes at least one control element (22) having a longitudinal axis (23) extending in the extension direction (31), the control element (22) being configured to rotate at least partially about the longitudinal axis (23) upon extending the entrainment member (14) in the extension direction (31) to vary the distance (D) between the fastening location (18) and the entrainment member (14).
  2. The retraction device according to claim 1, characterized in that the control element (22) includes at least one first guide element (22a) configured to be guided, at least over a region, along a first guide track (21) upon extending the entrainment member (14) in the extension direction (31).
  3. The retraction device according to claim 2, characterized in that the first guide track (21) includes a first section (21a) extending in the extension direction (31) of the entrainment member (14), and a helically-shaped second section (21b) adjoining the first section (21a).
  4. The retraction device according to claim 2 or 3, characterized in that the control element (22) includes at least one second guide element (22b) configured to be guided, at least over a region, along a second guide track (25) upon extending the entrainment member (14) in the extension direction (31).
  5. The retraction device according to claim 4, characterized in that the second guide track (25) is helically-shaped at least over a region.
  6. The retraction device according to claim 4 or 5, characterized in that the first guide element (22a) and the second guide element (22b) are spaced from each other along the longitudinal axis (23) of the control element (22).
  7. The retraction device according to one of the claims 4 to 6, characterized in that the first guide track (21) is formed or arranged on a first sleeve (20), and the second guide track (25) is formed or arranged on a second sleeve (24).
  8. The retraction device according to claim 7, characterized in that the first sleeve (20) and the second sleeve (24) are connected to one another in a non-rotatable manner.
  9. The retraction device according to claim 8, characterized in that the first sleeve (20) and the second sleeve (24) are connected to one another in the non-rotatable manner by at least one limb (26).
  10. The retraction device according to one of the claims 7 to 9, characterized in that the control element (22) and/or the spring device (16), upon extending the entrainment member (14) in the extension direction (31), is or are guided, at least over a region, within the first sleeve (20) or second sleeve (24).
  11. The retraction device according to one of the claims 5 to 10, characterized in that the first guide track (21) and the second guide track (25), at least over a region, have an opposite sense of helix.
  12. A drawer pull-out guide (10) comprising a retraction device (13) according to one of the claims 1 to 11.
  13. The drawer pull-out guide according to claim 12, characterized in that the drawer pull-out guide (10) includes a carcass rail (11) to be fixed to a furniture carcass (2), and at least one extension rail (12) displaceable relative to the carcass rail (11), wherein the extension rail (12) is retractable into a fully closed end position by the retraction device (13) at an end of the closing movement.
  14. An arrangement with a movable furniture part (3), in particular a flap, a door or a drawer, and with the retraction device (13) according to one of the claims 1 to 11 for retracting the movable furniture part (3) into the closed end position relative to a furniture carcass (2).
EP16770873.4A 2015-11-20 2016-09-16 Slide-in device for moveable furniture parts Active EP3376899B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA750/2015A AT517603B1 (en) 2015-11-20 2015-11-20 Feeding device for movable furniture parts
PCT/AT2016/060063 WO2017083894A1 (en) 2015-11-20 2016-09-16 Slide-in device for moveable furniture parts

Publications (2)

Publication Number Publication Date
EP3376899A1 EP3376899A1 (en) 2018-09-26
EP3376899B1 true EP3376899B1 (en) 2019-02-27

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Application Number Title Priority Date Filing Date
EP16770873.4A Active EP3376899B1 (en) 2015-11-20 2016-09-16 Slide-in device for moveable furniture parts

Country Status (9)

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US (1) US10251481B2 (en)
EP (1) EP3376899B1 (en)
JP (1) JP6580265B2 (en)
CN (1) CN108348069B (en)
AT (1) AT517603B1 (en)
ES (1) ES2728266T3 (en)
MY (1) MY186912A (en)
TR (1) TR201905722T4 (en)
WO (1) WO2017083894A1 (en)

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Publication number Publication date
CN108348069A (en) 2018-07-31
CN108348069B (en) 2019-09-13
ES2728266T3 (en) 2019-10-23
US20180249833A1 (en) 2018-09-06
TR201905722T4 (en) 2019-05-21
EP3376899A1 (en) 2018-09-26
AT517603B1 (en) 2017-03-15
AT517603A4 (en) 2017-03-15
MY186912A (en) 2021-08-26
JP6580265B2 (en) 2019-09-25
JP2018534081A (en) 2018-11-22
US10251481B2 (en) 2019-04-09
WO2017083894A1 (en) 2017-05-26

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