EP2144531B1 - Pull-out guide for drawers - Google Patents

Pull-out guide for drawers Download PDF

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Publication number
EP2144531B1
EP2144531B1 EP08714291.5A EP08714291A EP2144531B1 EP 2144531 B1 EP2144531 B1 EP 2144531B1 EP 08714291 A EP08714291 A EP 08714291A EP 2144531 B1 EP2144531 B1 EP 2144531B1
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EP
European Patent Office
Prior art keywords
rail
pull
rolling
drawer
sliding body
Prior art date
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Application number
EP08714291.5A
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German (de)
French (fr)
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EP2144531A1 (en
Inventor
Thomas Ritter
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Julius Blum GmbH
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Julius Blum GmbH
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Publication of EP2144531A1 publication Critical patent/EP2144531A1/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
    • A47B88/483—Sliding drawers; Slides or guides therefor with single extensible guides or parts
    • A47B88/487—Sliding drawers; Slides or guides therefor with single extensible guides or parts with rollers, ball bearings, wheels, or the like
    • 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
    • A47B88/493—Sliding drawers; Slides or guides therefor with double extensible guides or parts with rollers, ball bearings, wheels, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0091—Drawer movement damping
    • A47B2210/0097—Ball or roller cage incorporating damping means

Definitions

  • the present invention relates to a pull-out for drawers with a first and at least one second rail, wherein between these two rails at least one carriage with load-transmitting rolling elements is arranged, wherein the carriage - especially in a deviation from the differential run between the rails - to the second rail is detachable.
  • carriage errors Due to the slippage between the rollers of the carriage and the guide profiles of the rails is not always ensured that when removing and inserting the drawer, the carriage exactly halfway the pull-back rail. This creates so-called carriage errors, i. The position of the carriages is incorrect with respect to the support and extension rails. Such carriage errors can sometimes result in the drawer being left open in normal use.
  • damping devices In pull-out with a locking device additional damping devices are often provided which dampen the drawer over the last movement path to the respective end position, so that the drawer is not drawn with too much momentum in the furniture body.
  • dampers reduce the closing dynamics of the drawer so much that a occurred during the movement of the drawer carriage error can not be compensated for lack of kinetic energy.
  • the carriage with locking means are provided which lock the carriage at a deviation from the differential running between the rails at predetermined locations between the two end positions on one of the rails, said lock being releasable to each other by the method of rails.
  • the carriages are movable in the direction of the end positions beyond the predetermined points after releasing the lock. It is thus ensured that the correction of the position of the carriage takes place before it has reached the end of the insertion path.
  • the carriage When a carriage error occurs, which usually moves in the size range of only a few millimeters, the carriage can be coupled over a relatively short distance on the loosely guided rolling or sliding body with the movement of the drawer whose speed - as usual in a differential extract - about twice the speed of the carriage. In the course of this coupling, the carriage error is corrected.
  • the rolling or sliding body is movable into an escape in which the clutch is released, so that the drawer is substantially free to move in the direction of the open position, wherein the uncoupled rolling or sliding body at a predetermined exit point the escape emerges and is movable as part of the carriage in the direction of the outer end position.
  • the rolling or sliding body preferably gravity loaded, is mounted vertically movable substantially perpendicular to the withdrawal direction of the rails.
  • the diverter comprises a recess arranged or formed in the first rail, preferably an oblong hole, into which the rolling or sliding body can be immersed so that the coupling between the carriage and the second rail can be released ,
  • the rolling or sliding remains uncoupled with the coupling part. It is advantageous if, when closing the rails, the coupling part can be brought into contact with the rolling or sliding body and, at the same time, can be guided laterally past the escape. The rolling or sliding body is to be moved back into the starting position for the next opening movement of the drawer in the course of the closing process, which is why the rolling or sliding body is guided around a bypass around the turnout and should not enter the turnout. For this purpose, a certain lateral displacement possibility (in a plan view of the rail and offset to the withdrawal direction of the same) is allowed.
  • the rolling or sliding body in the rail plane is mounted transversely, preferably substantially perpendicular, to the pull-out of the drawer movable.
  • the carriage has a guide in which the rolling or sliding body is mounted limited movable within predetermined limits.
  • the rolling or sliding body can be acted upon within the guide by a spring device by which the rolling or sliding body when closing the drawer is movable again in a provided for the opening movement of the drawer starting position. The coupling member pushes the rolling or sliding during the closing process laterally past the escape, whereupon the proposed spring device compensates for this lateral offset.
  • the drawer according to the invention is characterized by a pull-out of the type described, the furniture of the invention has a drawer of the aforementioned type.
  • Fig. 1 shows a cabinet-shaped furniture 1 with a furniture body 2, on the lateral inner walls in each case a pull-out guide 3 according to the invention is attached.
  • the pull-out guide 3 comprises a rail 4 to be mounted on the furniture body 2 and at least one rail 5 displaceably mounted thereon and to be fastened to the drawer 6.
  • the pull-out guide 3 expediently comprises a three-part rail system, so that the drawer 6 can be completely pulled out of the furniture carcass 2.
  • a carcass rail, a Store rail and provided between these two rails slidably guided center rail.
  • Fig. 2 shows a perspective view of the pull-3 with the furniture body 2 to be fastened rail 4 and the extendable rail 5, which is to be attached to the drawer 6.
  • a rail 7, which is provided as a between the two rails 4, 5 arranged center rail.
  • the middle rail is referred to as the first rail 7, the drawer rail as the second rail 5 and the carcass rail as the third rail 4.
  • a schematically indicated coupling part 8 which projects downwards on the underside of the catwalk of the displaceable second rail 5 and is arranged as an inclined surface transversely to the withdrawal direction of the rail 5, wherein the function of the coupling part 8 is described below.
  • Fig. 3 shows a portion of the pull-3 in an exploded view with the first rail 7 (middle rail) and the second rail 5 (drawer rail) with a movable between these two rails 5, 7 carriage 9.
  • the carriage 9 comprises in a known manner load-transmitting rolling elements 10 with horizontal Rotary axes and at least one 19.
  • the carriage 9 on a rolling or sliding body 12 which is formed as a ball and is denoted below by the reference numeral 12a.
  • the ball 12a is guided loosely within a slot-like guide 13.
  • the ball 12a acts in the assembly position temporarily with the at the bottom of the catwalk of the second rail 5 downwardly projecting coupling part 8 together.
  • the first rail 7 has an escape 14 in the form of an axially to the withdrawal direction of the drawer 6 arranged long hole.
  • the rails 5, 7 have end stops 15a, 15b, wherein the carriage 9 should be in the closed position of the two rails 5, 7 to each other ideally spaced from the two end stops 15a, 15b should be.
  • Fig. 4a, 4b show this ideal case of the position of the carriage 9, which is slidably mounted between the rails 5, 7.
  • Fig. 4b shows a plan view of the pull-3 in the closed position of the rails 5, 7. Since the carriage 9 would not be apparent here, a dashed line of the arranged between the rails 5, 7 components is shown.
  • Fig. 4a now shows the ideal Position of the carriage 9, since this is in the closed position of the rails 5, 7 shown spaced from the end stops 15a and 15b. A correction of the carriage position is therefore not necessary.
  • Fig. 4b shows the detail area according to Fig. 4a in an enlarged view. Here, in the guide 13 loosely guided ball 12a can be seen.
  • a spring device 16 in the form of a molded, resiliently formed plastic part can be seen, through which the ball 12a during the closing operation of the drawer 6 is again moved to the position shown to produce a ready position for the next extraction process.
  • Clearly recognizable is also formed as an inclined surface coupling part 8 on the underside of the extendable second rail 5 and formed as an elongated hole turnout 14 for the ball 12a.
  • Fig. 5a, 5b show an analogous representation to the Fig. 4a and 4b , - Due to the slippage between the rolling elements 10 and rails 5, 7 - a misalignment of the carriage 9 is present. This case occurs when the carriage 9 is already present at the end stop 15a of the first rail 7, before even the full closed position of the rails 5, 7 is reached each other. This leads to the consequence that the extendable second rail 5 would have to be pressed under pressure to produce the full closed position, the rail 5 is pushed over the rolling elements 10, which makes higher forces required and would bring corresponding wear of the carriage 9 with it. Moreover, this position of the carriage 9 would mean that in a proposed collection device with a damper, the drawer 6 could not be completely retracted into the furniture body 2.
  • the oblique coupling part 8 is now provided, which detects the ball 12a during the opening process of the drawer 6 due to its double speed relative to the carriage 9, thereby engaging the carriage 9 and forcibly leads this briefly at twice the speed.
  • the ball 12a reaches the diverter 14 when the drawer 6 is being pulled out, the ball 12a can dip therein, whereby the coupling is released and the coupling part 8 can overtake the carriage 9 unhindered.
  • the diverter 14 is designed so that the ball 12a may dip slightly, but can not completely fall through.
  • the meandering Spring buffer are formed, which is attenuated by these damper 20, the impact of the carriage 9 in its end positions.
  • Fig. 6a shows a schematic side view of the carriage 9 associated ball 12a corresponding to the temporally successive positions A to F during the opening movement in the direction of arrow S of the drawer 6.
  • the reference numeral 8 of the second rail 5 (pull-out) associated coupling part 8 is marked.
  • Fig. 6b shows a plan view of the first rail 7 (middle rail) with the respective positions of the ball 12 a, each of the upper position according to Fig. 6a correspond.
  • Fig. 6a and 6b So show temporal courses of the relative movement of the coupling part 8 and the ball 12a to the first rail 7 during the opening movement of the drawer 6, wherein a carriage error is corrected.
  • the coupling part 8 is still behind the ball 12a. It should be mentioned that - as in a differential extract usual - the pull-out 5 moves at about twice the speed of the carriage 9 (and thus the ball 12a).
  • the coupling part 8 has already overtaken the ball 12a, with the ball 12a (and thus the carriage 9) being coupled to the faster moving pull-out rail 5.
  • the ball 12a is thus clamped between the first rail 7 and the coupling part 8, so that thus the carriage 9 is moved together with the pull-5, namely at twice the speed.
  • the ball 12a can emerge as part of the moving carriage 9 again from the escape 14.
  • the position F shows the ball 12a of the carriage 9 on the way toward the end position of the carriage 9, the pull-out rail 5 with the coupling part 8 arranged thereon can be moved into the fully open position.
  • Fig. 7a and Fig. 7b show one to the Fig. 6a, 6b corresponding representation, by means of which the operation of the closing operation of the drawer to be explained.
  • the sequence of the sequence runs from right to left, ie starting from position A '(an open position of the drawer 6) up to the position F' (a position of the drawer 6 immediately preceding the closed position).
  • the drawer 6 thus moves in the closing direction in the direction of arrow S '.
  • the coupling part 8 of the pull-out rail 5 approaches the ball 12a coming from the right.
  • the coupling part 8 has overtaken the ball 12a of the carriage 9 and can be brought to this plant. It should be noted in this context that in the entire closing movement - in contrast to the opening movement - no frictional connection between the coupling part 8 and ball 12a is made.
  • the coupling part 8 can be brought into abutment only on the ball 12a, to the extent that the ball 12a is pressed by the coupling part 8 to bypass the escape 14 on the side, but otherwise the coupling part 8, the ball 12a pass unhindered.
  • the ball 12a is thus displaceable by the inclined surface of the coupling part 8 by the difference width .DELTA.B, as it is shown at position D '.
  • the ball 12a of the in Fig. 4b shown spring device 16 is again pressed into a provided for the next extension movement of the drawer 6 starting position, as shown in position F '.
  • the pull-out rail 5 can be moved with its coupling part 8 in the direction of the fully closed position.
  • Fig. 8a shows a perspective view of the underside of the pull-5, wherein the arranged coupling part 8 can be seen.
  • Fig. 8b shows an enlarged view of the in Fig. 8a circled area.
  • the coupling part 8 is arranged on a catwalk of the rail 5 transversely to the withdrawal direction (for example, within an angle between 10 ° and 90 °, preferably between 30 ° and 60 °). From the enlarged detail A of the coupling part 8 can be seen, which has a control edge 8a in the form of an inclined surface. If an occurring carriage error is corrected during the opening operation of the drawer, the ball 12a is in the parking position P during the correction (see position B, C according to FIG Fig.
  • the ball 12a follows from the opposite direction to the marked movement path R, in which the lateral displaceability by the difference width .DELTA.B (see position D 'according to FIG Fig. 7b ), the ball 12a being passed around the diverter 14.
  • the control edge 8a is arranged on the catwalk of the rail 5, that the ball 12a is laterally moved past it. After this passing, the ball 12a is pushed back by the spring device 16 back into its original trajectory.
  • Fig. 9 shows an exploded view of the pull-out according to the invention 3.
  • a first rail 7 (middle rail), a second rail mounted thereon 5 (drawer rail) and a third rail 4 (cabinet rail) are provided, which are designed to be movable relative to each other.
  • a third rail 4 (cabinet rail)
  • the pull-out guide 3 comprises a spring-loaded draw-in device 17, with which the extendable rails 5, 7 can be transported to their full closed position.
  • a damping device 18, preferably a piston-cylinder unit that can be filled with a fluid is provided.
  • the present invention is not limited to the embodiment shown, but includes all variants and technical equivalents, which may fall within the scope of the following claims. Also, the location selected in the description, such as top, bottom, side, etc., on the directly described and illustrated figure and are to be transferred in a change in position mutatis mutandis to the new situation. Since the carriage 9 tends to tend to assume a trailing position between the rails 5, 7, the description has provided a correction during the opening movement of the drawer 6. Of course, with appropriate means, a correction during the closing movement of the drawer 6 can be made.

Landscapes

  • Drawers Of Furniture (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Ausziehführung für Schubladen mit einer ersten und wenigstens einer zweiten Schiene, wobei zwischen diesen beiden Schienen wenigstens ein Laufwagen mit lastübertragenden Wälzkörpern angeordnet ist, wobei der Laufwagen - insbesondere bei einer Abweichung vom differentialen Lauf zwischen den Schienen - an die zweite Schiene kuppelbar ist.The present invention relates to a pull-out for drawers with a first and at least one second rail, wherein between these two rails at least one carriage with load-transmitting rolling elements is arranged, wherein the carriage - especially in a deviation from the differential run between the rails - to the second rail is detachable.

Bedingt durch den Schlupf zwischen den Laufrollen des Laufwagens und den Führungsprofilen der Schienen ist nicht immer sichergestellt, dass beim Ausziehen und Einschieben der Schublade die Laufwagen exakt den halben Weg der Ausziehschiene zurücklegen. Dadurch entstehen so genannte Laufwagenfehler, d.h. die Position der Laufwagen ist in Bezug auf die Trag- und Ausziehschienen nicht korrekt. Derartige Laufwagenfehler können unter Umständen zu einem Offenstehen der Schublade im normalen Gebrauch führen.Due to the slippage between the rollers of the carriage and the guide profiles of the rails is not always ensured that when removing and inserting the drawer, the carriage exactly halfway the pull-back rail. This creates so-called carriage errors, i. The position of the carriages is incorrect with respect to the support and extension rails. Such carriage errors can sometimes result in the drawer being left open in normal use.

Die Problematik derartiger Laufwagenfehler ist gemäß dem Stand der Technik bekannt und tritt bei Ausziehführungsgarnituren, bei denen die Last von Laufrollen, die nicht an den Schienen, sondern in separaten Laufwagen gelagert sind, immer wieder auf. Wird die Schublade ausschließlich händisch bewegt, so werden diese Fehler vielfach nicht bemerkt. Wird die Schublade durch ein herkömmliches Schließsystem mit Federn in die endgültige Schließstellung gezogen, so ist in den meisten Fällen so viel Schwung vorhanden, dass der Laufwagenfehler durch die Dynamik der Schublade korrigiert wird und die Schublade immer schließt.The problem of such carriage errors is known in the prior art and occurs in Ausziehführungsgarnitururen in which the load of rollers, which are not stored on the rails, but in separate carriages, always on. If the drawer is moved by hand only, these errors are often not noticed. If the drawer is pulled into the final closed position by a conventional spring-type locking system, in most cases there will be enough momentum to correct the carriage error due to the dynamics of the drawer and the drawer will always close.

Bei Ausziehführungen mit einer Schließvorrichtung werden häufig zusätzliche Dämpfvorrichtungen vorgesehen, die die Schublade über den letzten Bewegungsweg bis hin zur jeweiligen Endlage dämpfen, sodass die Schublade nicht mit zu viel Schwung in den Möbelkorpus eingezogen wird. Diese Dämpfer verringern jedoch die Schließdynamik der Schublade dermaßen, dass ein während der Bewegung der Schublade aufgetretener Laufwagenfehler mangels fehlender Bewegungsenergie nicht mehr ausgeglichen werden kann.In pull-out with a locking device additional damping devices are often provided which dampen the drawer over the last movement path to the respective end position, so that the drawer is not drawn with too much momentum in the furniture body. However, these dampers reduce the closing dynamics of the drawer so much that a occurred during the movement of the drawer carriage error can not be compensated for lack of kinetic energy.

Eine Lösung zur Behebung dieser Problematik ist beispielsweise in der europäischen Patentschrift EP 1 393 654 B1 der Anmelderin beschrieben. Hierbei sind die Laufwagen mit Arretiermitteln vorgesehen, die den Laufwagen bei einer Abweichung vom differentialen Lauf zwischen den Schienen an vorgegebenen Stellen zwischen den beiden Endstellungen an einer der Schienen arretieren, wobei diese Arretierung durch das Verfahren der Schienen zueinander lösbar ist. Die Laufwagen sind nach dem Lösen der Arretierung über die vorgegebenen Stellen hinweg in Richtung der Endstellungen bewegbar. Es wird also dabei sichergestellt, dass die Korrektur der Position des Laufwagens erfolgt, bevor dieser den Endbereich des Einschubweges erreicht hat.One solution to this problem is, for example, in the European patent specification EP 1 393 654 B1 the applicant described. Here, the carriage with locking means are provided which lock the carriage at a deviation from the differential running between the rails at predetermined locations between the two end positions on one of the rails, said lock being releasable to each other by the method of rails. The carriages are movable in the direction of the end positions beyond the predetermined points after releasing the lock. It is thus ensured that the correction of the position of the carriage takes place before it has reached the end of the insertion path.

Eine andere Lösung gemäß dem Oberbegriff des Anspruchs 1 ist in der Deutschen Offenlegungsschrift DE 10 2005 050 353 A1 beschrieben. Aufgabe der vorliegenden Erfindung ist es, eine Möglichkeit zur Korrektur von Laufwagenfehlern anzugeben, bei der auf aufwändige Konstruktionsbauteile verzichtet werden kann.Another solution according to the preamble of claim 1 is in the German Offenlegungsschrift DE 10 2005 050 353 A1 described. Object of the present invention is to provide a way to correct for carriage errors, can be dispensed with consuming design components.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.This is achieved by the features of claim 1.

Bei einem auftretenden Laufwagenfehler, der sich üblicherweise im Größenbereich von nur wenigen Millimetern bewegt, kann der Laufwagen auf einer verhältnismäßig kurzen Strecke über den lose geführten Roll- oder Gleitkörper mit der Bewegung der Schublade gekoppelt werden, deren Geschwindigkeit - wie bei einem Differentialauszug üblich - etwa die doppelte Geschwindigkeit wie jene des Laufwagens beträgt. Im Zuge dieser Kupplung wird der Laufwagenfehler korrigiert. Im Anschluss daran ist vorgesehen, dass der Roll- oder Gleitkörper in eine Ausweiche bewegbar ist, in der die Kupplung aufgehoben wird, sodass die Schublade im Wesentlichen frei in Richtung der Offenstellung bewegbar ist, wobei der ungekoppelte Roll- oder Gleitkörper an einer vorgegebenen Austrittsstelle aus der Ausweiche heraustritt und als Teil des Laufwagens in Richtung der äußeren Endstellung bewegbar ist.When a carriage error occurs, which usually moves in the size range of only a few millimeters, the carriage can be coupled over a relatively short distance on the loosely guided rolling or sliding body with the movement of the drawer whose speed - as usual in a differential extract - about twice the speed of the carriage. In the course of this coupling, the carriage error is corrected. Following this, it is provided that the rolling or sliding body is movable into an escape in which the clutch is released, so that the drawer is substantially free to move in the direction of the open position, wherein the uncoupled rolling or sliding body at a predetermined exit point the escape emerges and is movable as part of the carriage in the direction of the outer end position.

Gemäß einem bevorzugten Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass der Roll- oder Gleitkörper, vorzugsweise schwerkraftbelastet, im Wesentlichen senkrecht zur Ausziehrichtung der Schienen vertikal bewegbar gelagert ist. In diesem Zusammenhang kann es günstig sein, wenn die Ausweiche eine in der ersten Schiene angeordnete oder ausgebildete Vertiefung, vorzugsweise ein Langloch, umfasst, in die der Roll- oder Gleitkörper eintauchbar ist, sodass dabei die Kupplung zwischen dem Laufwagen und der zweiten Schiene lösbar ist.According to a preferred embodiment of the invention can be provided that the rolling or sliding body, preferably gravity loaded, is mounted vertically movable substantially perpendicular to the withdrawal direction of the rails. In this connection, it may be favorable if the diverter comprises a recess arranged or formed in the first rail, preferably an oblong hole, into which the rolling or sliding body can be immersed so that the coupling between the carriage and the second rail can be released ,

Beim Schließvorgang der Schublade ist hingegen bevorzugt vorgesehen, dass der Roll- oder Gleitkörper mit dem Kupplungsteil ungekuppelt bleibt. Hierbei ist es günstig, wenn beim Schließen der Schienen der Kupplungsteil mit dem Roll- oder Gleitkörper in Anlage bringbar ist und dabei an der Ausweiche seitlich vorbeiführbar ist. Der Roll- oder Gleitkörper soll nämlich im Zuge des Schließvorganges wieder in die Ausgangsstellung für die nächste Öffnungsbewegung der Schublade bewegt werden, weshalb der Roll- oder Gleitkörper ähnlich einem Bypass um die Ausweiche herumgeführt wird und dabei nicht in die Ausweiche eintreten soll. Hierfür ist eine gewisse seitliche Versatzmöglichkeit (in einer Draufsicht auf die Schiene und versetzt zur Ausziehrichtung derselben) zuzulassen. Mit anderen Worten kann es hierbei günstig sein, wenn der Roll- oder Gleitkörper in der Schienenebene quer, vorzugsweise im Wesentlichen senkrecht, zur Ausziehrichtung der Schublade bewegbar gelagert ist. Für diese seitliche Bewegungsmöglichkeit kann es zweckmäßig sein, wenn der Laufwagen eine Führung aufweist, in der der Roll- oder Gleitkörper innerhalb vorgegebener Grenzen begrenzt bewegbar gelagert ist. Gemäß einem bevorzugten Ausführungsbeispiel ist in diesem Zusammenhang vorgesehen, dass der Roll- oder Gleitkörper innerhalb der Führung von einer Federvorrichtung beaufschlagbar ist, durch die der Roll- oder Gleitkörper beim Schließen der Schublade wieder in eine für die Öffnungsbewegung der Schublade vorgesehene Ausgangsstellung bewegbar ist. Der Kupplungsteil schiebt den Roll- oder Gleitkörper beim Schließvorgang seitlich an der Ausweiche vorbei, woraufhin die vorgesehene Federvorrichtung diesen seitlichen Versatz kompensiert.When closing the drawer, however, is preferably provided that the rolling or sliding remains uncoupled with the coupling part. It is advantageous if, when closing the rails, the coupling part can be brought into contact with the rolling or sliding body and, at the same time, can be guided laterally past the escape. The rolling or sliding body is to be moved back into the starting position for the next opening movement of the drawer in the course of the closing process, which is why the rolling or sliding body is guided around a bypass around the turnout and should not enter the turnout. For this purpose, a certain lateral displacement possibility (in a plan view of the rail and offset to the withdrawal direction of the same) is allowed. In other words, it may be advantageous in this case if the rolling or sliding body in the rail plane is mounted transversely, preferably substantially perpendicular, to the pull-out of the drawer movable. For this lateral movement possibility, it may be expedient if the carriage has a guide in which the rolling or sliding body is mounted limited movable within predetermined limits. According to a preferred embodiment, it is provided in this context that the rolling or sliding body can be acted upon within the guide by a spring device by which the rolling or sliding body when closing the drawer is movable again in a provided for the opening movement of the drawer starting position. The coupling member pushes the rolling or sliding during the closing process laterally past the escape, whereupon the proposed spring device compensates for this lateral offset.

Die erfindungsgemäße Schublade ist durch eine Ausziehführung der beschriebenen Art gekennzeichnet, das erfindungsgemäße Möbel weist eine Schublade der vorstehend genannten Gattung auf.The drawer according to the invention is characterized by a pull-out of the type described, the furniture of the invention has a drawer of the aforementioned type.

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

Fig. 1
ein schrankförmiges Möbel mit Schubladen, die mittels erfindungsgemäßen Ausziehführungen bewegbar gelagert sind,
Fig. 2
eine perspektivische Darstellung einer Ausziehführung gemäß Fig. 1,
Fig. 3
eine Explosionsdarstellung eines Teilbereichs der Ausziehführung mit den relevanten Bauteilen der Ablaufsteuerung zur Korrektur der Laufwagenfehler,
Fig. 4a, 4b
eine Draufsicht mit der Darstellung des zwischen den Schienen befindlichen Laufwagens ohne Laufwagenfehler sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 5a, 5b
eine Draufsicht mit der Darstellung des zwischen den Schienen befindlichen Laufwagens mit Laufwagenfehler sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 6a, 6b
eine schematisch gehaltene Seitenansicht der verschiedenen Kugelpositionen während der Öffnungsbewegung der Schublade sowie eine Draufsicht hierzu,
Fig. 7a, 7b
eine schematisch gehaltene Seitenansicht der verschiedenen Kugelpositionen während der Schließbewegung der Schublade sowie eine Draufsicht hierzu,
Fig. 8a, 8b
eine perspektivische Unteransicht der Ausziehschiene mit dem daran angeordneten Kupplungsteil sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 9
eine Explosionsdarstellung der erfindungsgemäßen Ausziehführung.
Further details and advantages of the present invention will be explained with reference to the following description of the figures. It shows or show:
Fig. 1
a cabinet-shaped furniture with drawers, which are movably mounted by means of pull-out guides according to the invention,
Fig. 2
a perspective view of a pull-out according to Fig. 1 .
Fig. 3
an exploded view of a portion of the pull-out with the relevant components of the flow control to correct the carriage error,
Fig. 4a, 4b
a top view with the representation of the carriage located between the rails without carriage error and an enlarged detail illustration this,
Fig. 5a, 5b
a top view showing the located between the rails carriage with carriage error and an enlarged detail illustration this,
Fig. 6a, 6b
a schematic side view of the various ball positions during the opening movement of the drawer and a plan view thereto,
Fig. 7a, 7b
a schematically held side view of the various ball positions during the closing movement of the drawer and a plan view thereto,
Fig. 8a, 8b
a perspective bottom view of the pull-out rail with the coupling part arranged thereon and an enlarged detail illustration of this,
Fig. 9
an exploded view of the pull-out guide according to the invention.

Fig. 1 zeigt ein schrankförmiges Möbel 1 mit einem Möbelkorpus 2, an dessen seitlichen Innenwänden jeweils eine erfindungsgemäße Ausziehführung 3 befestigt ist. Die Ausziehführung 3 umfasst eine am Möbelkorpus 2 zu montierende Schiene 4 und wenigstens eine dazu verschiebbar gelagerte Schiene 5, die an der Schublade 6 zu befestigen ist. Aus Gründen der Übersichtlichkeit wurde die untere Schublade 6 entfernt. Zweckmäßigerweise umfasst die Ausziehführung 3 jedoch ein dreiteiliges Schienensystem, sodass die Schublade 6 vollständig aus dem Möbelkorpus 2 herausziehbar ist. Hierfür sind in bekannter Weise eine Korpusschiene, eine Ladenschiene und eine zwischen diesen beiden Schienen verschiebbar geführte Mittelschiene vorzusehen. Fig. 1 shows a cabinet-shaped furniture 1 with a furniture body 2, on the lateral inner walls in each case a pull-out guide 3 according to the invention is attached. The pull-out guide 3 comprises a rail 4 to be mounted on the furniture body 2 and at least one rail 5 displaceably mounted thereon and to be fastened to the drawer 6. For reasons of clarity, the lower drawer 6 has been removed. However, the pull-out guide 3 expediently comprises a three-part rail system, so that the drawer 6 can be completely pulled out of the furniture carcass 2. For this purpose, in a known manner, a carcass rail, a Store rail and provided between these two rails slidably guided center rail.

Fig. 2 zeigt eine perspektivische Ansicht der Ausziehführung 3 mit der am Möbelkorpus 2 zu befestigenden Schiene 4 und der ausziehbaren Schiene 5, die an der Schublade 6 zu befestigen ist. Teilweise erkennbar ist auch eine Schiene 7, die als eine zwischen den beiden Schienen 4, 5 angeordnete Mittelschiene vorgesehen ist. Im Rahmen der vorliegenden Beschreibung wird die Mittelschiene als erste Schiene 7, die Ladenschiene als zweite Schiene 5 und die Korpusschiene als dritte Schiene 4 bezeichnet. Zu erkennen ist auch ein schematisch angedeuteter Kupplungsteil 8, der an der Unterseite des Laufsteges der verschiebbaren zweiten Schiene 5 nach unten ragt und als Schrägfläche quer zur Ausziehrichtung der Schiene 5 angeordnet ist, wobei die Funktion des Kupplungsteiles 8 nachstehend beschrieben ist. Fig. 2 shows a perspective view of the pull-3 with the furniture body 2 to be fastened rail 4 and the extendable rail 5, which is to be attached to the drawer 6. Partly visible is also a rail 7, which is provided as a between the two rails 4, 5 arranged center rail. In the context of the present description, the middle rail is referred to as the first rail 7, the drawer rail as the second rail 5 and the carcass rail as the third rail 4. It can also be seen a schematically indicated coupling part 8, which projects downwards on the underside of the catwalk of the displaceable second rail 5 and is arranged as an inclined surface transversely to the withdrawal direction of the rail 5, wherein the function of the coupling part 8 is described below.

Fig. 3 zeigt einen Teilabschnitt der Ausziehführung 3 in einer Explosionsdarstellung mit der ersten Schiene 7 (Mittelschiene) und der zweiten Schiene 5 (Ladenschiene) mit einem zwischen diesen beiden Schienen 5, 7 verfahrbaren Laufwagen 9. Der Laufwagen 9 umfasst in bekannter Weise lastübertragende Wälzkörper 10 mit horizontalen Drehachsen sowie wenigstens einen Seitenwälzkörper 11 mit vertikaler Drehachse. Zudem weist der Laufwagen 9 einen Roll- oder Gleitkörper 12 auf, der als Kugel ausgebildet ist und nachstehend mit dem Bezugszeichen 12a bezeichnet wird. Die Kugel 12a wird innerhalb einer langlochartigen Führung 13 lose verschieblich geführt. Die Kugel 12a wirkt in Montagestellung zeitweise mit dem an der Unterseite des Laufsteges der zweiten Schiene 5 nach unten abstehenden Kupplungsteil 8 zusammen. Die erste Schiene 7 weist eine Ausweiche 14 in Form eines axial zur Ausziehrichtung der Schublade 6 angeordneten Langlochs auf. Die Schienen 5, 7 weisen Endanschläge 15a, 15b auf, wobei sich der Laufwagen 9 in der geschlossenen Stellung der beiden Schienen 5, 7 zueinander idealerweise beabstandet zu den beiden Endanschlägen 15a, 15b befinden sollte. Fig. 3 shows a portion of the pull-3 in an exploded view with the first rail 7 (middle rail) and the second rail 5 (drawer rail) with a movable between these two rails 5, 7 carriage 9. The carriage 9 comprises in a known manner load-transmitting rolling elements 10 with horizontal Rotary axes and at least one Seitenwälzkörper 11 with a vertical axis of rotation. In addition, the carriage 9 on a rolling or sliding body 12 which is formed as a ball and is denoted below by the reference numeral 12a. The ball 12a is guided loosely within a slot-like guide 13. The ball 12a acts in the assembly position temporarily with the at the bottom of the catwalk of the second rail 5 downwardly projecting coupling part 8 together. The first rail 7 has an escape 14 in the form of an axially to the withdrawal direction of the drawer 6 arranged long hole. The rails 5, 7 have end stops 15a, 15b, wherein the carriage 9 should be in the closed position of the two rails 5, 7 to each other ideally spaced from the two end stops 15a, 15b should be.

Fig. 4a, 4b zeigen diesen Idealfall der Stellung des Laufwagens 9, der zwischen den Schienen 5, 7 verschiebbar gelagert ist. Fig. 4b zeigt eine Draufsicht auf die Ausziehführung 3 in der geschlossenen Stellung der Schienen 5, 7. Da hierbei der Laufwagen 9 nicht ersichtlich wäre, wird eine gestrichelte Darstellung der zwischen den Schienen 5, 7 angeordneten Komponenten gezeigt. Fig. 4a zeigt nunmehr die ideale Stellung des Laufwagens 9, da sich dieser in der gezeigten Schließstellung der Schienen 5, 7 beabstandet zu den Endanschlägen 15a und 15b befindet. Eine Korrektur der Laufwagenposition ist daher nicht notwendig. Fig. 4b zeigt den Detailbereich gemäß Fig. 4a in einer vergrößerten Darstellung. Hierbei ist die in der Führung 13 lose geführte Kugel 12a ersichtlich. In der Führung 13 ist eine Federvorrichtung 16 in Form eines angespritzten, federnd ausgebildeten Kunststoffteiles ersichtlich, durch den die Kugel 12a beim Schließvorgang der Schublade 6 wieder in die gezeigte Position bewegbar ist, um eine Bereitschaftsstellung für den nächsten Ausziehvorgang herzustellen. Gut erkennbar ist auch der als Schrägfläche ausgebildete Kupplungsteil 8 an der Unterseite der ausziehbaren zweiten Schiene 5 sowie die als Langloch ausgebildete Ausweiche 14 für die Kugel 12a. Fig. 4a, 4b show this ideal case of the position of the carriage 9, which is slidably mounted between the rails 5, 7. Fig. 4b shows a plan view of the pull-3 in the closed position of the rails 5, 7. Since the carriage 9 would not be apparent here, a dashed line of the arranged between the rails 5, 7 components is shown. Fig. 4a now shows the ideal Position of the carriage 9, since this is in the closed position of the rails 5, 7 shown spaced from the end stops 15a and 15b. A correction of the carriage position is therefore not necessary. Fig. 4b shows the detail area according to Fig. 4a in an enlarged view. Here, in the guide 13 loosely guided ball 12a can be seen. In the guide 13, a spring device 16 in the form of a molded, resiliently formed plastic part can be seen, through which the ball 12a during the closing operation of the drawer 6 is again moved to the position shown to produce a ready position for the next extraction process. Clearly recognizable is also formed as an inclined surface coupling part 8 on the underside of the extendable second rail 5 and formed as an elongated hole turnout 14 for the ball 12a.

Fig. 5a, 5b zeigen eine analoge Darstellung zu den Fig. 4a und 4b, wobei - bedingt durch den Schlupf zwischen den Wälzkörpern 10 und Schienen 5, 7 - eine Fehlstellung des Laufwagens 9 vorliegt. Dieser Fall tritt ein, wenn der Laufwagen 9 schon am Endanschlag 15a der ersten Schiene 7 ansteht, bevor überhaupt die vollständige Schließstellung der Schienen 5, 7 zueinander erreicht ist. Dies führt zu der Konsequenz, dass die ausziehbare zweite Schiene 5 zur Herstellung der vollständigen Schließstellung unter Kraftaufwand angedrückt werden müsste, wobei die Schiene 5 über die Wälzkörper 10 geschoben wird, was höhere Kräfte erforderlich macht und dementsprechende Verschleißerscheinungen des Laufwagens 9 mit sich bringen würde. Darüberhinaus würde diese Stellung des Laufwagens 9 dazu führen, dass bei einer vorgesehenen Einzugsvorrichtung mit einem Dämpfer die Schublade 6 nicht mehr vollständig in den Möbelkorpus 2 eingezogen werden könnte. Zur Behebung dieser Problematik ist nun der schräge Kupplungsteil 8 vorgesehen, der beim Öffnungsvorgang der Schublade 6 aufgrund dessen doppelter Geschwindigkeit relativ zum Laufwagen 9 die Kugel 12a erfasst, dabei den Laufwagen 9 ankuppelt und diesen kurzzeitig mit der doppelten Geschwindigkeit zwangsführt. Wenn die Kugel 12a beim Ausziehvorgang der Schublade 6 die Ausweiche 14 erreicht, so kann die Kugel 12a darin abtauchen, wodurch die Kupplung gelöst wird und der Kupplungsteil 8 den Laufwagen 9 ungehindert überholen kann. Die Ausweiche 14 ist so ausgebildet, dass die Kugel 12a zwar etwas eintauchen, aber nicht vollständig durchfallen kann. Zu erkennen sind - wie an sich bekannt - Dämpfer 20, die als mäanderförmige Federpuffer ausgebildet sind, wobei durch diese Dämpfer 20 der Anprall des Laufwagens 9 in dessen Endstellungen dämpfbar ist. Fig. 5a, 5b show an analogous representation to the Fig. 4a and 4b , - Due to the slippage between the rolling elements 10 and rails 5, 7 - a misalignment of the carriage 9 is present. This case occurs when the carriage 9 is already present at the end stop 15a of the first rail 7, before even the full closed position of the rails 5, 7 is reached each other. This leads to the consequence that the extendable second rail 5 would have to be pressed under pressure to produce the full closed position, the rail 5 is pushed over the rolling elements 10, which makes higher forces required and would bring corresponding wear of the carriage 9 with it. Moreover, this position of the carriage 9 would mean that in a proposed collection device with a damper, the drawer 6 could not be completely retracted into the furniture body 2. To remedy this problem, the oblique coupling part 8 is now provided, which detects the ball 12a during the opening process of the drawer 6 due to its double speed relative to the carriage 9, thereby engaging the carriage 9 and forcibly leads this briefly at twice the speed. When the ball 12a reaches the diverter 14 when the drawer 6 is being pulled out, the ball 12a can dip therein, whereby the coupling is released and the coupling part 8 can overtake the carriage 9 unhindered. The diverter 14 is designed so that the ball 12a may dip slightly, but can not completely fall through. To recognize are - as known per se - damper 20, the meandering Spring buffer are formed, which is attenuated by these damper 20, the impact of the carriage 9 in its end positions.

Fig. 6a zeigt eine schematisch gehaltene Seitenansicht der dem Laufwagen 9 zugehörigen Kugel 12a entsprechend den zeitlich aufeinander folgenden Positionen A bis F während der Öffnungsbewegung in Pfeilrichtung S der Schublade 6. Mit dem Bezugszeichen 8 ist der der zweiten Schiene 5 (Ausziehschiene) zugehörige Kupplungsteil 8 gekennzeichnet. Fig. 6b zeigt eine Draufsicht auf die erste Schiene 7 (Mittelschiene) mit den jeweiligen Positionen der Kugel 12a, die jeweils der oberen Position gemäß Fig. 6a entsprechen. Fig. 6a und 6b zeigen also zeitliche Verläufe der Relativbewegung von Kupplungsteil 8 sowie der Kugel 12a zur ersten Schiene 7 während der Öffnungsbewegung der Schublade 6, wobei ein Laufwagenfehler korrigiert wird. Fig. 6a shows a schematic side view of the carriage 9 associated ball 12a corresponding to the temporally successive positions A to F during the opening movement in the direction of arrow S of the drawer 6. The reference numeral 8 of the second rail 5 (pull-out) associated coupling part 8 is marked. Fig. 6b shows a plan view of the first rail 7 (middle rail) with the respective positions of the ball 12 a, each of the upper position according to Fig. 6a correspond. Fig. 6a and 6b So show temporal courses of the relative movement of the coupling part 8 and the ball 12a to the first rail 7 during the opening movement of the drawer 6, wherein a carriage error is corrected.

Gemäß der Position A liegt der Kopplungsteil 8 noch hinter der Kugel 12a. Hierbei ist zu erwähnen, dass sich - wie bei einem Differentialauszug üblich - die Ausziehschiene 5 mit etwa der doppelten Geschwindigkeit wie der Laufwagen 9 (und damit der Kugel 12a) bewegt.According to the position A, the coupling part 8 is still behind the ball 12a. It should be mentioned that - as in a differential extract usual - the pull-out 5 moves at about twice the speed of the carriage 9 (and thus the ball 12a).

Bei der Position B hat der Kupplungsteil 8 die Kugel 12a bereits eingeholt, wobei die Kugel 12a (und damit der Laufwagen 9) mit der sich schneller bewegenden Ausziehschiene 5 gekuppelt wird. Die Kugel 12a wird also zwischen der ersten Schiene 7 und dem Kupplungsteil 8 eingeklemmt, sodass damit der Laufwagen 9 zusammen mit der Ausziehschiene 5, nämlich mit der doppelten Geschwindigkeit, mitbewegt wird.At the position B, the coupling part 8 has already overtaken the ball 12a, with the ball 12a (and thus the carriage 9) being coupled to the faster moving pull-out rail 5. The ball 12a is thus clamped between the first rail 7 and the coupling part 8, so that thus the carriage 9 is moved together with the pull-5, namely at twice the speed.

In Position C ist erkennbar, dass die Kugel 12a um die Differenzhöhe ΔH in die Ausweiche 14 eintauchbar ist, wobei durch diese Differenzhöhe ΔH die Kugel 12a vom Kupplungsteil 8 außer Eingriff bringbar ist. Zu erkennen ist die Wegstrecke ΔX, die der zu korrigierenden Wegstrecke des Laufwagensfehlers entspricht. Günstigerweise ist die Wegstrecke ΔX etwas größer als der größte auftretende Laufwagenfehler. Die Korrektur des Laufwagenfehlers ist also bei Position C bereits abgeschlossen.In position C it can be seen that the ball 12a can be immersed in the turnout 14 by the difference in height ΔH, whereby the ball 12a can be disengaged from the coupling part 8 by this difference in height ΔH. Evident is the distance .DELTA.X, which corresponds to the path to be corrected of the carriage error. Conveniently, the distance .DELTA.X is slightly larger than the largest occurring carriage error. The correction of the carriage error is thus already completed at position C.

In Position D ist gezeigt, dass der Kupplungsteil 8 die vertikal versetzbare Kugel 12a bereits überholt hat und sich weiterhin mit der doppelten Geschwindigkeit relativ zur Kugel 12a des Laufwagens 9 bewegt.In position D it is shown that the coupling part 8 has already overtaken the vertically displaceable ball 12a and continues to move at twice the speed relative to the ball 12a of the carriage 9.

Bei Position E kann die Kugel 12a als Teil des sich bewegenden Laufwagens 9 wieder aus der Ausweiche 14 heraustreten. Die Position F zeigt die Kugel 12a des Laufwagens 9 auf dem Weg in Richtung Endstellung des Laufwagens 9, die Ausziehschiene 5 mit dem daran angeordneten Kupplungsteil 8 kann in die vollständige Offenstellung bewegt werden.At position E, the ball 12a can emerge as part of the moving carriage 9 again from the escape 14. The position F shows the ball 12a of the carriage 9 on the way toward the end position of the carriage 9, the pull-out rail 5 with the coupling part 8 arranged thereon can be moved into the fully open position.

Fig. 7a und Fig. 7b zeigen eine zu den Fig. 6a, 6b entsprechende Darstellung, anhand derer die Funktionsweise des Schließvorganges der Schublade erläutert werden soll. Hierbei läuft die Reihenfolge des Ablaufs von rechts nach links, also ausgehend von Position A' (eine Offenstellung der Schublade 6) bis hin zur Position F' (eine der Schließstellung unmittelbar vorgelagerte Stellung der Schublade 6). Die Schublade 6 bewegt sich also beim Schließvorgang in Pfeilrichtung S'. Fig. 7a and Fig. 7b show one to the Fig. 6a, 6b corresponding representation, by means of which the operation of the closing operation of the drawer to be explained. Here, the sequence of the sequence runs from right to left, ie starting from position A '(an open position of the drawer 6) up to the position F' (a position of the drawer 6 immediately preceding the closed position). The drawer 6 thus moves in the closing direction in the direction of arrow S '.

Gemäß Position A' eilt der Kupplungsteil 8 der Ausziehschiene 5 von rechts kommend an die Kugel 12a heran. Bei Position B' hat der Kupplungsteil 8 die Kugel 12a des Laufwagens 9 eingeholt und ist dabei an dieser zur Anlage bringbar. Angemerkt sei in diesem Zusammenhang, dass bei der gesamten Schließbewegung - im Gegensatz zur Öffnungsbewegung - keine kraftschlüssige Verbindung zwischen Kupplungsteil 8 und Kugel 12a hergestellt wird. Der Kupplungsteil 8 ist lediglich an der Kugel 12a zur Anlage bringbar, und zwar dahingehend, dass die Kugel 12a durch den Kupplungsteil 8 zur Umfahrung der Ausweiche 14 auf die Seite gedrückt wird, ansonsten kann aber der Kupplungsteil 8 die Kugel 12a ungehindert passieren. Die Kugel 12a ist somit durch die Schrägfläche des Kupplungsteiles 8 um die Differenzbreite ΔB versetzbar, so wie es bei Position D' dargestellt ist. Nach dem Vorbeifahren des Kupplungsteiles 8 wird die Kugel 12a von der in Fig. 4b gezeigten Federvorrichtung 16 wieder in eine für die nächste Ausfahrbewegung der Schublade 6 vorgesehene Ausgangsstellung gedrückt, so wie es in Position F' gezeigt ist. Ausgehend von dieser Position F' kann die Ausziehschiene 5 mit ihrem Kupplungsteil 8 in Richtung der vollständigen Schließstellung bewegt werden.According to position A ', the coupling part 8 of the pull-out rail 5 approaches the ball 12a coming from the right. At position B ', the coupling part 8 has overtaken the ball 12a of the carriage 9 and can be brought to this plant. It should be noted in this context that in the entire closing movement - in contrast to the opening movement - no frictional connection between the coupling part 8 and ball 12a is made. The coupling part 8 can be brought into abutment only on the ball 12a, to the extent that the ball 12a is pressed by the coupling part 8 to bypass the escape 14 on the side, but otherwise the coupling part 8, the ball 12a pass unhindered. The ball 12a is thus displaceable by the inclined surface of the coupling part 8 by the difference width .DELTA.B, as it is shown at position D '. After passing the coupling part 8, the ball 12a of the in Fig. 4b shown spring device 16 is again pressed into a provided for the next extension movement of the drawer 6 starting position, as shown in position F '. Starting from this position F ', the pull-out rail 5 can be moved with its coupling part 8 in the direction of the fully closed position.

Fig. 8a zeigt eine perspektivische Ansicht auf die Unterseite der Ausziehschiene 5, wobei der angeordnete Kupplungsteil 8 ersichtlich ist. Fig. 8b zeigt eine vergrößerte Darstellung des in Fig. 8a eingekreisten Bereiches. Der Kupplungsteil 8 ist an einem Laufsteg der Schiene 5 quer zur Ausziehrichtung (beispielsweise innerhalb eines Winkels zwischen 10° und 90°, vorzugsweise zwischen 30° und 60°) angeordnet. Aus dem vergrößerten Detail A ist der Kupplungsteil 8 erkennbar, der eine Steuerkante 8a in Form einer Schrägfläche aufweist. Wenn ein auftretender Laufwagenfehler beim Öffnungsvorgang der Schublade korrigiert wird, so befindet sich die Kugel 12a während der Korrektur in der Parkposition P (vgl. Position B, C gemäß Fig. 6a), bis die Kugel 12a in die Ausweiche 14 gelangt und damit von der Steuerkante 8a freigestellt wird. Beim Schließvorgang der Schublade 6 hingegen folgt die Kugel 12a aus der entgegengesetzten Richtung kommend dem eingezeichneten Bewegungsweg R, bei dem die seitliche Versetzbarkeit um die Differenzbreite ΔB (vgl. Position D' gemäß Fig. 7b) ermöglicht wird, wobei die Kugel 12a um die Ausweiche 14 herumgeführt wird. Die Steuerkante 8a wird dabei so am Laufsteg der Schiene 5 angeordnet, dass die Kugel 12a seitlich davon vorbeibewegbar ist. Nach diesem Vorbeibewegen wird die Kugel 12a durch die Federvorrichtung 16 wieder in ihre ursprüngliche Bewegungsbahn zurückgedrückt. Fig. 8a shows a perspective view of the underside of the pull-5, wherein the arranged coupling part 8 can be seen. Fig. 8b shows an enlarged view of the in Fig. 8a circled area. The coupling part 8 is arranged on a catwalk of the rail 5 transversely to the withdrawal direction (for example, within an angle between 10 ° and 90 °, preferably between 30 ° and 60 °). From the enlarged detail A of the coupling part 8 can be seen, which has a control edge 8a in the form of an inclined surface. If an occurring carriage error is corrected during the opening operation of the drawer, the ball 12a is in the parking position P during the correction (see position B, C according to FIG Fig. 6a ) until the ball 12a enters the diverter 14 and is thus released from the control edge 8a. During the closing operation of the drawer 6, on the other hand, the ball 12a follows from the opposite direction to the marked movement path R, in which the lateral displaceability by the difference width .DELTA.B (see position D 'according to FIG Fig. 7b ), the ball 12a being passed around the diverter 14. The control edge 8a is arranged on the catwalk of the rail 5, that the ball 12a is laterally moved past it. After this passing, the ball 12a is pushed back by the spring device 16 back into its original trajectory.

Fig. 9 zeigt eine Explosionsdarstellung der erfindungsgemäßen Ausziehführung 3. Hierbei ist eine erste Schiene 7 (Mittelschiene), eine darauf gelagerte zweite Schiene 5 (Ladenschiene) sowie eine dritte Schiene 4 (Korpusschiene) vorgesehen, die relativ zueinander verfahrbar ausgebildet sind. Zwischen wenigstens zwei der oben genannten Schienen 4, 5, 7 ist mindestens ein Laufwagen 9 gemäß dem Aspekt der vorliegenden Erfindung angeordnet. Zusätzlich kann auch wenigstens ein Laufwagen 19 gemäß dem Stand der Technik angeordnet werden. Im Weiteren umfasst die Ausziehführung 3 eine federbelastete Einzugsvorrichtung 17, mit der die ausziehbaren Schienen 5, 7 in ihre vollständige Schließstellung transportierbar sind. Zur Dämpfung der Schließbewegung ist eine Dämpfvorrichtung 18, vorzugsweise eine mit einem Fluid befüllbare Kolben-Zylinder-Einheit vorgesehen. Fig. 9 shows an exploded view of the pull-out according to the invention 3. Here, a first rail 7 (middle rail), a second rail mounted thereon 5 (drawer rail) and a third rail 4 (cabinet rail) are provided, which are designed to be movable relative to each other. Between at least two of the above rails 4, 5, 7 at least one carriage 9 is arranged according to the aspect of the present invention. In addition, at least one carriage 19 according to the prior art can be arranged. In addition, the pull-out guide 3 comprises a spring-loaded draw-in device 17, with which the extendable rails 5, 7 can be transported to their full closed position. To damp the closing movement, a damping device 18, preferably a piston-cylinder unit that can be filled with a fluid, is provided.

Die vorliegende Erfindung beschränkt sich nicht auf das gezeigte Ausführungsbeispiel, sondern umfasst bzw. erstreckt sich auf alle Varianten und technischen Äquivalente, welche in die Reichweite der nachfolgenden Ansprüche fallen können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich, usw., auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen. Da der Laufwagen 9 üblicherweise eher dazu tendiert, eine nacheilende Position zwischen den Schienen 5, 7 einzunehmen, wurde im Rahmen der Beschreibung eine Korrektur während der Öffnungsbewegung der Schublade 6 vorgesehen. Selbstverständlich kann mit geeigneten Mitteln auch eine Korrektur während der Schließbewegung der Schublade 6 vorgenommen werden.The present invention is not limited to the embodiment shown, but includes all variants and technical equivalents, which may fall within the scope of the following claims. Also, the location selected in the description, such as top, bottom, side, etc., on the directly described and illustrated figure and are to be transferred in a change in position mutatis mutandis to the new situation. Since the carriage 9 tends to tend to assume a trailing position between the rails 5, 7, the description has provided a correction during the opening movement of the drawer 6. Of course, with appropriate means, a correction during the closing movement of the drawer 6 can be made.

Claims (15)

  1. A pull-out guide (3) for drawers (6) with a first and with at least one second rail (7, 5), wherein at least one running carriage (9) with load-transmitting rollers (10, 11) is arranged between these rails (7, 5), wherein the running carriage (9) - in particular upon a deviation from the differential movement between the rails (7, 5) - can be coupled to the second rail (5), wherein a rolling or sliding body (12) is loosely displaceably mounted to or within the running carriage (9) for coupling the running carriage (9) to a coupling portion (8) arranged on the second rail (5), characterized in that arranged on the first rail (7) is an evasion opening (14) into which the rolling or sliding body (12) can be moved upon opening the drawer (6) so that the coupling portion (8) can be decoupled from the rolling or sliding body (12) and moves past the running carriage (9).
  2. The pull-out guide according to claim 1, characterized in that rolling or sliding body (12) is mounted vertically movably with height difference (ΔH), preferably loaded by the force of gravity, substantially perpendicularly to the extension direction of the rails (5, 7).
  3. The pull-out guide according to claim 1 or 2, characterized in that the evasion opening (14) includes a recess which is arranged or formed on the first rail (7), preferably in the form of an enlongated hole, into which the rolling or sliding body (12) can be immersed so that the coupling between the running carriage (9) and the second rail (5) can be released.
  4. The pull-out guide according to one of the claims 1 to 3, characterized in that the coupling portion (8) can be brought into engagement with the rolling or sliding body (12) upon closing the rails (5, 7) and thereby can be guided laterally past the evasion opening (14).
  5. The pull-out guide according to one of the claims 1 to 4, characterized in that the rolling or sliding body (12) is movably mounted in the plane of the rail with a width difference (ΔB) transverse, preferably substantially perpendicularly, to the extension direction of the drawer (6).
  6. The pull-out guide according to one of the claims 1 to 5, characterized in that the running carriage (9) includes a guide (13) in which the rolling or sliding body (12) is movably arranged within predetermined limits.
  7. The pull-out guide according to claim 6, characterized in that a spring device (16) is provided for acting upon the rolling or sliding body (12) within the guide (13), the spring device (16) being configured to, upon closing the drawer (6), move the rolling or sliding body (12) again into an initial position for the opening movement of the drawer (6).
  8. The pull-out guide according to one of the claims 1 to 7, characterized in that the coupling portion (8) includes a control edge (8a), preferably an inclined surface, for coupling the running carriage (9) to the second rail (5) via the rolling or sliding body (12).
  9. The pull-out guide according to claim 8, characterized in that the control edge (8a), in relation to the longitudinal direction of the second rail (5), is arranged transversely, preferably within an angle of between 10° and 90°, preferably within an angle of 30° and 60°.
  10. The pull-out guide according to claim 8 or 9, characterized in that the control edge (8a) is arranged on a running limb of the second rail (5), wherein the rolling or sliding body (12) can be moved by the control edge (8a) laterally past thereof upon the closing movement of the second rail (5).
  11. The pull-out guide according to one of the claims 1 to 10, characterized in that the rolling or sliding body (12) is in the form of a ball (12a).
  12. The pull-out guide according to one of the claims 1 to 11, characterized in that, as known per se, at least a third rail (4) is arranged in addition to the first rail (7) and the second rail (5), wherein the at least one running carriage (9), as known per se, is arranged between the first rail (7) and the second rail (5) and/or between the first rail (7) and the third rail (4).
  13. The pull-out guide according to claim 12, characterized in that the third rail (4) is a carcass rail to be fixed to the furniture carcass (2), the second rail (5) is a drawer rail to be fixed to the drawer (6) and the first rail (7) is a central rail which is displaceably mounted between the carcass rail and the drawer rail.
  14. A drawer having a pull-out guide according to one of the claims 1 to 13.
  15. An item of furniture having a drawer according to claim 14.
EP08714291.5A 2007-05-07 2008-03-18 Pull-out guide for drawers Active EP2144531B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA697/2007A AT505120B1 (en) 2007-05-07 2007-05-07 EXTRACTION GUIDE FOR DRAWERS
PCT/AT2008/000094 WO2008134782A1 (en) 2007-05-07 2008-03-18 Pull-out guide for drawers

Publications (2)

Publication Number Publication Date
EP2144531A1 EP2144531A1 (en) 2010-01-20
EP2144531B1 true EP2144531B1 (en) 2017-06-21

Family

ID=39743133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08714291.5A Active EP2144531B1 (en) 2007-05-07 2008-03-18 Pull-out guide for drawers

Country Status (7)

Country Link
US (1) US7905561B2 (en)
EP (1) EP2144531B1 (en)
JP (1) JP5524046B2 (en)
CN (1) CN101677685B (en)
AT (1) AT505120B1 (en)
MY (1) MY148728A (en)
WO (1) WO2008134782A1 (en)

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Also Published As

Publication number Publication date
CN101677685B (en) 2012-01-11
JP5524046B2 (en) 2014-06-18
EP2144531A1 (en) 2010-01-20
AT505120B1 (en) 2012-04-15
MY148728A (en) 2013-05-31
AT505120A1 (en) 2008-11-15
US7905561B2 (en) 2011-03-15
CN101677685A (en) 2010-03-24
JP2010525904A (en) 2010-07-29
US20100045153A1 (en) 2010-02-25
WO2008134782A1 (en) 2008-11-13

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