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EP0743032A2 - Drawer slide - Google Patents

Drawer slide Download PDF

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Publication number
EP0743032A2
EP0743032A2 EP96106046A EP96106046A EP0743032A2 EP 0743032 A2 EP0743032 A2 EP 0743032A2 EP 96106046 A EP96106046 A EP 96106046A EP 96106046 A EP96106046 A EP 96106046A EP 0743032 A2 EP0743032 A2 EP 0743032A2
Authority
EP
European Patent Office
Prior art keywords
guide
drawer
section
pull
rail
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.)
Granted
Application number
EP96106046A
Other languages
German (de)
French (fr)
Other versions
EP0743032B1 (en
EP0743032A3 (en
Inventor
Frank Noske
Stefan Rüter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP0743032A2 publication Critical patent/EP0743032A2/en
Publication of EP0743032A3 publication Critical patent/EP0743032A3/en
Application granted granted Critical
Publication of EP0743032B1 publication Critical patent/EP0743032B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening

Definitions

  • the present invention relates to a drawer slide guide with a guide rail which can be fixed on the furniture body and with a pull-out rail fixed to the drawer which can be moved relative to the guide rail, the drawer being secured in the closed position by means of a spring-loaded locking element.
  • Drawer pull-out guides are known in various designs.
  • the connection between the guide rail and the pull-out rail takes place, for example, by means of an inner profile rail, on which rolling elements which are held in a cage roll.
  • the pull-out rail can be telescopic to pull the drawer completely out of the furniture body.
  • locking elements in various designs are known. They are designed so that a tension spring is tensioned when the drawer is extended, which causes the drawer to be pulled into the end position when it is retracted.
  • locking is not possible.
  • One disadvantage is that the drawer can only be opened by pulling, which is particularly cumbersome when both hands of a person are occupied.
  • the known tumbler elements are such that they cannot be mounted on the outside in gaps between the furniture body and the drawer slide guide.
  • the present invention has for its object to provide a drawer slide guide of the type described in the introduction in such a way that the spring-loaded locking element can be mounted on the outside of the drawer slide guide, and that the drawer is secured in the end position in the simplest manner, and that it is in the simplest manner in one Open position can be brought.
  • the spring-loaded locking element is a detent which can be moved by means of a driver arranged on the extendable pull-out rail, which is arranged displaceably in a flat guide body and is guided along a guide path running in the direction of displacement of the drawer, which has a turning loop, in its turning area a recess locking the latch in the closed position of the drawer is located.
  • the latch has a relatively small thickness, so that the guide body is correspondingly flat. This means that it can be easily installed in the gaps between the drawer slide guides and the furniture body.
  • the driver takes the catch with it when the drawer can still be pushed in a defined distance.
  • This path is relatively small in relation to the entire sliding path.
  • a tension spring is tensioned, which is hooked at one end to the latch with the opposite end at a fixed point on the guide body.
  • the displacement of the latch is predetermined by the course of the guideway.
  • this recess must be such that the drawer is also in the closed position.
  • the guideway is expediently designed as a guiding groove.
  • the reversing loop expediently adjoins a straight-line section of the guideway and the reversing loop describes a basic contour in the manner of a triangle. This significantly simplifies the direction reversal of the latch.
  • a defined section of the reversing loop can be used for the locked position of the drawer. It is then expedient if the section of the guideway which has the recess is at right angles to the rectilinear section and faces away from it. In this way, for example, a locking pin of the locking pawl can snap into the recess during a movement from bottom to top.
  • the path of the latch which is predetermined by the turning loop, is closed, ie a certain point of the latch returns to a point when the drawer is extended, which point is also reached when it is retracted. Therefore, a further section of the reversing loop is expediently at an obtuse angle with respect to the straight section and the other section is in alignment or approximately in alignment with the straight section.
  • the section running at an obtuse angle is used when retracting the drawer. This changes the angular position of the locking pawl with respect to the tension spring, so that the pawl is automatically pulled in the part running transversely to the straight part.
  • the pawl Since the recess for the locked position is still below the straight section, the pawl is pulled into this section as soon as the drawer is moved a little bit into the furniture body.
  • the latch In order to ensure that when the drawer is retracted, the latch also runs into the section at an obtuse angle, it is provided that the piece of the reversing loop which is aligned with the straight section has a shallower depth than that at an obtuse angle. This forms a stop, so that the latch is deflected when retracting.
  • the catch For the catch to be carried by the catch, it is provided that the catch has a slit which is positioned transversely or obliquely to the guideway or to the guide groove and in which the catch engages.
  • At least one spring bar protrudes into the part of the turning loop which is transverse to the rectilinear part of the guide track and which locks the latching pawl instead of the latching recess.
  • This spring bar is adjacent to the rectilinear section of the turning loop, so that the drawer can also be extended when it is pulled, causing the spring bar to deform accordingly.
  • a guide web protruding into the guide groove is formed on the guide body opposite the spring web.
  • This retraction can first be retracted into the furniture body to move out.
  • a guide bar projects into the guide groove between the spring bar and the guide bar, but is formed on the other side of the guide body.
  • the drawer pull-out guide 10 shown in FIG. 1 essentially consists of a guide rail 11 which can be fixed on the furniture body (not shown), a pull-out rail 12 which is approximately C-shaped in cross section and an inner profile rail 13 which connects the pull-out rail 12 to the guide rail 11 and which, in the exemplary embodiment shown, has the guide rail 11 is in one piece.
  • Rolling elements 14 are arranged between the inner profile rail 13 and the pull-out rail 12 by means of a cage (not shown in more detail).
  • a guide body 15 On the outside of the horizontal leg of the guide rail 11, a guide body 15, which is explained in more detail with reference to FIGS. 2 and 3, is fixed, for example, by latching.
  • a latch 16 protrudes out of the guide body 15 and is taken along by a driver fixedly arranged on the pull-out rail 12 over a certain displacement distance of the pull-out rail 12.
  • the guide body 15 is U-shaped in cross section, the parallel legs being relatively short, so that the guide body 15 is relatively thin and can be easily mounted in gaps between the drawer slide guide 10 and inner surfaces of a furniture body.
  • the guide body 15 has an approximately parallel to the upper and lower edges guideway in the form of a guide groove 18 into which a guide pin 19 of the latch 16 engages. Of the Guide pin 19 sits on the side of the locking pawl 16 facing the guide groove 18.
  • a further guide pin and a hanging pin 20 are integrally formed on the locking pawl 16 on the locking pawl 16.
  • One end of a tension spring 21 is attached to the hanging pin 20.
  • the other end of the tension spring is hooked onto a further pin 22 located in the end region.
  • the guide groove 18 consists of a substantially rectilinear section 18 a and a reversing loop 18 b lying away from the tension spring 21, the basic contour of which describes a triangle.
  • the turning loop accordingly consists of an essentially upright section 18 c, which is transverse to the straight section 18 a of the guide groove 18.
  • the reversing loop 18 b also has a rectilinear section, which is aligned with the rectilinear part 18 a.
  • a guide web 24 projects into the guide groove 18.
  • a spring bar 25 projects into the guide groove 18.
  • the guide web 24 and the spring web 25 are integrally formed on the area of the guide body 15, which is limited by the turning loop 18 b.
  • a guide web 26 protrudes approximately centrally between the guide web 24 and the spring web 25 into the guide groove 18, but is formed on the guide body 15 on the opposite side.
  • the upright section 18 c of the reversing loop 18 b is quasi S-shaped in this area.
  • the upright section 18 c of the guide groove 18 could be provided with a latching recess for the guide pin 19.
  • the locking recess is formed by the spring bar 25.
  • the locking pawl 16 is approximately triangular in shape, the guide pin 19 and the hanging pin 20 and the further guide pin being arranged on one side. Opposite there is a slot 27 running approximately at right angles to this base in the tip, the tip facing away from the tension spring 21 protruding from the facing tip, so that the driver 17 strikes against this area.
  • FIG. 2 shows an intermediate position in which the drawer or the pull-out rail 12 is retracted.
  • the tension spring 21 is already tensioned and the catch 17 has been moved through a defined distance by the driver 17 Move towards the upright section 18 c of the reversing loop 18 b.
  • the guide pin 19 is located directly in front of the stop 23 or in front of the sloping section of the turning loop 18. It can be seen from FIG. 2 that when the drawer is retracted further, the guide pin 19 is inevitably pressed into this sloping section. When retracting, the guide pin 19 bypasses the guide web 24, so that after the drawer has been moved around, the tensioned spring 21 automatically moves a little in the opposite direction.
  • the guide pin Since the guide pin is no longer in alignment with the line of action of the tension spring 21, it is automatically pulled against the spring bar 25, so that the drawer is locked in this position, which is shown in FIG. 3. If the drawer is to be pulled out of the furniture body, it is normally pushed a little bit into the furniture body so that the guide pin 19 bypasses the spring bar 25 and then reaches the straight part of the turning loop 18. Through the relaxing tension spring 21, the drawer is then pulled out a certain distance from the furniture body. However, if a tensile force is exerted on the drawer, the spring bar 25 deforms, so that the guide pin 19 thereby also enters the rectilinear section of the reversing loop 18 b. It can be seen from the figures that the guide pin 19 describes an approximately triangular orbit at the end of the retraction of a drawer and at the start of the extraction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

The drawer gear has a fixed rail on each side to run on a fixed rail fitted to the furniture body via an intermediate free running rail with bearings. A flat locking plate (16) under the drawer gear is operated by a profiled slot (18) in a support plate (15) and interacts with a catch (17) attached to the drawer rail. The catch has a stepped action with one end of the catch having a guide pin (19) moving around a triangular track. The drawer is closed against spring pressure, from a spring (21) in the support plate, until the catch secures the closed drawer. The drawer is opened by pulling against the retaining catch or simply by pressing the drawer inwards, to release the catch. The spring tension opens the drawer by a small amount.

Description

Die vorliegende Erfindung betrifft eine Schubkastenauszugsführung mit einer am Möbelkorpus festlegbaren Führungsschiene und mit einer am Schubkasten festgelegten Auszugsschiene, die gegenüber der Führungsschiene verfahrbar ist, wobei der Schubkasten in der Schließstellung mittels eines federbelasteten Zuhalteelementes gesichert ist.The present invention relates to a drawer slide guide with a guide rail which can be fixed on the furniture body and with a pull-out rail fixed to the drawer which can be moved relative to the guide rail, the drawer being secured in the closed position by means of a spring-loaded locking element.

Schubkastenauszugsführungen sind in verschiedenen Ausführungen bekannt. Die Verbindung zwischen der Führungsschiene und der Auszugsschiene erfolgt beispielsweise durch eine Innenprofilschiene, auf der sich Wälzkörper abwälzen, die in einem Käfig gehalten sind. Die Auszugsschiene kann teleskopierbar sein, um den Schubkasten vollständig aus dem Möbelkorpus herauszuziehen.Drawer pull-out guides are known in various designs. The connection between the guide rail and the pull-out rail takes place, for example, by means of an inner profile rail, on which rolling elements which are held in a cage roll. The pull-out rail can be telescopic to pull the drawer completely out of the furniture body.

Bei den in Rede stehenden Schubkastenauszugsführungen sind Zuhalteelemente in verschiedenen Ausführungen bekannt. Sie sind so ausgelegt, daß beim Ausfahren des Schubkastens eine Zugfeder gespannt wird, die beim Einfahren bewirkt, daß der Schubkasten in die Endstellung gezogen wird. Eine Arretierung ist jedoch nicht möglich. Nachteilig ist u. a., daß der Schubkasten ausschließlich durch Ziehen geöffnet werden kann, was insbesondere dann umständlich ist, wenn beide Hände einer Person belegt sind. Außerdem sind die bekannten Zuhalteelemente von den Abmessungen her so, daß sie nicht außen in Spalte zwischen dem Möbelkorpus und der Schubkastenauszugsführung montierbar sind.In the drawer pull-out guides in question, locking elements in various designs are known. They are designed so that a tension spring is tensioned when the drawer is extended, which causes the drawer to be pulled into the end position when it is retracted. However, locking is not possible. One disadvantage is that the drawer can only be opened by pulling, which is particularly cumbersome when both hands of a person are occupied. In addition, the known tumbler elements are such that they cannot be mounted on the outside in gaps between the furniture body and the drawer slide guide.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Schubkastenauszugsführung der eingangs näher beschriebenen Art so auszubilden, daß das federbelastete Zuhalteelement außen an der Schubkastenauszugsführung montierbar ist, und daß der Schubkasten in einfachster Weise in der Endstellung gesichert ist, und daß er in einfachster Weise in eine Offenstellung gebracht werden kann.The present invention has for its object to provide a drawer slide guide of the type described in the introduction in such a way that the spring-loaded locking element can be mounted on the outside of the drawer slide guide, and that the drawer is secured in the end position in the simplest manner, and that it is in the simplest manner in one Open position can be brought.

Die gestellte Aufgabe wird gelöst, indem das federbelastete Zuhalteelement eine mittels eines an der ausfahrbahren Auszugsschiene angeordneten Mitnehmers verfahrbare Rastklinke ist, welche in einem flachen Führungskörper verschiebbar angeordnet und längs einer in Verschieberichtung des Schubkastens verlaufenden Führungsbahn geführt ist, welche eine Wendeschleife aufweist, in dessen Wendebereich eine die Rastklinke in der Schließstellung des Schubkastens arretierende Ausnehmung liegt.The object is achieved in that the spring-loaded locking element is a detent which can be moved by means of a driver arranged on the extendable pull-out rail, which is arranged displaceably in a flat guide body and is guided along a guide path running in the direction of displacement of the drawer, which has a turning loop, in its turning area a recess locking the latch in the closed position of the drawer is located.

Die Rastklinke hat eine relativ geringe Dicke, so daß auch der Führungskörper entsprechend flach ist. Dadurch ist eine Montage in den Spalten zwischen den Schubkastenauszugsführungen und dem Möbelkorpus problemlos möglich. Beim Einfahren des Schubkastens nimmt der Mitnehmer die Rastklinke mit, wenn der Schubkasten noch um einen definierten Weg eingeschoben werden kann. Dieser Weg ist im Verhältnis zum gesamten Schiebeweg relativ gering. Beim Einfahren wird eine Zugfeder gespannt, die mit einem Ende an der Rastklinke mit dem gegenüberliegenden Ende an einem festen Punkt des Führungskörpers eingehängt ist. Der Verschiebeweg der Rastklinke ist durch den Verlauf der Pührungsbahn vorgegeben. Sobald ein an der Rastklinke angeordneter Zapfen in die Ausnehmung der Wendeschleife eingreift, wird das Einfahren des Schubkastens beendet. Dazu muß diese Ausnehmung so liegen, daß dann auch die Schließstellung des Schubkastens erreicht ist. Es muß jedoch gewährleistet sein, daß der Schubkasten zum Öffnen noch ein klein wenig in Einfahrrichtung in den Möbelkorpus hineingefahren werden kann, so daß der Zapfen der Rastklinke aus der Ausnehmung herausgeführt wird, und daß durch die Wirkung der sich nunmehr entspannenden Zugfeder der Schubkasten um einen entsprechenden Verschiebeweg geöffnet wird. Durch diese Ausbildung der Führungsbahn ist es in einfachster Weise möglich, den Schubkasten in der Schließstellung zu arretieren und diese Arretierung durch einen kurzen Weg in Einfahrrichtung zu lösen.The latch has a relatively small thickness, so that the guide body is correspondingly flat. This means that it can be easily installed in the gaps between the drawer slide guides and the furniture body. When the drawer is retracted, the driver takes the catch with it when the drawer can still be pushed in a defined distance. This path is relatively small in relation to the entire sliding path. When retracting a tension spring is tensioned, which is hooked at one end to the latch with the opposite end at a fixed point on the guide body. The displacement of the latch is predetermined by the course of the guideway. As soon as a pin arranged on the locking pawl engages in the recess of the turning loop, the retraction of the drawer is ended. For this purpose, this recess must be such that the drawer is also in the closed position. However, it must be ensured that the drawer can still be opened a little bit in the direction of entry into the furniture body, so that the pin of the latch is led out of the recess, and that by the action of the tension spring now relaxing the drawer by one corresponding displacement path is opened. This design of the guideway makes it very easy to lock the drawer in the closed position and to release this lock by a short path in the direction of entry.

Zweckmäßigerweise ist die Führungsbahn als Führungsnut ausgebildet. Zweckmäßigerweise schließt sich die Wendeschleife an ein geradliniges Teilstück der Führungsbahn an und die Wendeschleife beschreibt eine Grundkontur nach Art eines Dreiecks. Dadurch wird die Richtungsumkehr der Rastklinke wesentlich vereinfacht. Außerdem kann ein definiertes Teilstück der Wendeschleife für die arretierte Stellung des Schubkastens benutzt werden. Dabei ist es dann zweckmäßig, wenn das die Ausnehmung aufweisende Teilstück der Führungsbahn quer zum geradlinigen Teilstück und diesem abgewandt steht. Dadurch kann beispielsweise ein Rastzapfen der Rastklinke während einer Bewegung von unten nach oben in die Ausnehmung einrasten. Der durch die Wendeschleife vorgegebene Weg der Rastklinke ist geschlossen, d. h. ein bestimmter Punkt der Rastklinke kehrt beim Ausfahren des Schubkastens an einen Punkt zurück, der auch beim Einfahren erreicht wird. Deshalb steht zweckmäßigerweise ein weiteres Teilstück der Wendeschleife gegenüber dem geradlinigen Teilstück unter einem stumpfen Winkel und das andere Teilstück steht fluchtend oder annähernd fluchtend zum geradlinigen Teilstück. Das unter einem stumpfen Winkel verlaufende Teilstück wird beim Einfahren des Schubkastens benutzt. Dadurch verändert sich die Winkellage der Rastklinke gegenüber der sich spannenden Zugfeder, so daß automatisch die Sperrklinke in dem quer zum geradlinigen Teil verlaufenden Teil gezogen wird. Da die Ausnehmung für die arretierte Stellung dann noch unterhalb des geradlinigen Teilstückes steht, wird die Sperrklinke in dieses Teilstück gezogen, sobald der Schubkasten ein klein wenig in den Möbelkorpus hineingefahren wird. Damit sichergestellt ist, daß beim Einfahren des Schubkastens die Rastklinke auch in das unter einem stumpfen Winkel stehende Teilstück einläuft, ist vorgesehen, daß das fluchtend zum geradlinigen Teilstück stehende Stück der Wendeschleife eine geringere Tiefe hat als das unter einem stumpfen Winkel stehende. Dadurch wird ein Anschlag gebildet, so daß beim Einfahren die Rastklinke umgelenkt wird. Für die Mitnahme der Rastklinke durch den Mitnehmer ist vorgesehen, daß die Rastklinke lagegerecht eine quer oder schräg zur Führungsbahn bzw. zur Führungsnut stehenden Schlitz aufweist, in die der Mitnehmer eingreift. Zweckmäßigerweise ragt in den quer zum geradlinigen Teil der Führungsbahn stehenden Teil der Wendeschleife wenigstens ein Federsteg hinein, der anstelle der Rastausnehmung die Rastklinke arretiert. Dieser Federsteg liegt benachbart dem geradlinigen Teilstück der Wendeschleife, so daß auch der Schubkasten ausgefahren werden kann, wenn daran gezogen wird, wodurch sich der Federsteg entsprechend verformt. Damit jedoch der Schubkasten überhaupt zum Ausfahren zunächst ein klein wenig in den Möbelkorpus hineingefahren werden kann, ist vorgesehen, daß an dem Führungskörper dem Federsteg gegenüberliegend ein in die Führungsnut hineinragender Führungssteg angeformt ist. Dadurch ist es zunächst notwendig, daß der Führungszapfen der Rastklinke diesen Führungssteg umfährt, wodurch in der Endstellung der Schubkasten durch die Federwirkung ein klein wenig zurückgezogen wird. Dieses Zurückziehen kann zum Herausfahren zunächst wieder in den Möbelkorpus hineingefahren werden. Damit sichergestellt ist, daß auch die arretierte Stellung erreicht wird, ist vorgesehen, daß zwischen dem Federsteg und dem Führungssteg ein Leitsteg in die Führungsnut hineinragt, der jedoch an der anderen Seite des Führungskörpers angeformt ist.The guideway is expediently designed as a guiding groove. The reversing loop expediently adjoins a straight-line section of the guideway and the reversing loop describes a basic contour in the manner of a triangle. This significantly simplifies the direction reversal of the latch. In addition, a defined section of the reversing loop can be used for the locked position of the drawer. It is then expedient if the section of the guideway which has the recess is at right angles to the rectilinear section and faces away from it. In this way, for example, a locking pin of the locking pawl can snap into the recess during a movement from bottom to top. The path of the latch, which is predetermined by the turning loop, is closed, ie a certain point of the latch returns to a point when the drawer is extended, which point is also reached when it is retracted. Therefore, a further section of the reversing loop is expediently at an obtuse angle with respect to the straight section and the other section is in alignment or approximately in alignment with the straight section. The section running at an obtuse angle is used when retracting the drawer. This changes the angular position of the locking pawl with respect to the tension spring, so that the pawl is automatically pulled in the part running transversely to the straight part. Since the recess for the locked position is still below the straight section, the pawl is pulled into this section as soon as the drawer is moved a little bit into the furniture body. In order to ensure that when the drawer is retracted, the latch also runs into the section at an obtuse angle, it is provided that the piece of the reversing loop which is aligned with the straight section has a shallower depth than that at an obtuse angle. This forms a stop, so that the latch is deflected when retracting. For the catch to be carried by the catch, it is provided that the catch has a slit which is positioned transversely or obliquely to the guideway or to the guide groove and in which the catch engages. Expediently, at least one spring bar protrudes into the part of the turning loop which is transverse to the rectilinear part of the guide track and which locks the latching pawl instead of the latching recess. This spring bar is adjacent to the rectilinear section of the turning loop, so that the drawer can also be extended when it is pulled, causing the spring bar to deform accordingly. However, so that the drawer can initially be moved a little bit into the furniture body at all for extending, it is provided that a guide web protruding into the guide groove is formed on the guide body opposite the spring web. As a result, it is first necessary that the guide pin the pawl bypasses this guide web, whereby in the end position the drawer is pulled back a little by the spring action. This retraction can first be retracted into the furniture body to move out. In order to ensure that the locked position is also reached, it is provided that a guide bar projects into the guide groove between the spring bar and the guide bar, but is formed on the other side of the guide body.

Anhand der beiliegenden Zeichnungen wird die Erfindung noch näher erläutert. Es zeigen:

Figur 1
eine erfindungsgemäße Schubkastenauszugsführung in einer Stirnansicht,
Figur 2
die in dem Führungskörper verfahrbare Rastklinke in einer Seitenansicht und in einer Zwischenstellung und
Figur 3
eine der Figur 2 entsprechende Darstellung, jedoch in der arretierten Stellung der Rastklinke.
The invention is explained in more detail with reference to the accompanying drawings. Show it:
Figure 1
a drawer slide guide according to the invention in a front view,
Figure 2
the movable latch in the guide body in a side view and in an intermediate position and
Figure 3
a representation corresponding to Figure 2, but in the locked position of the latch.

Die in der Figur 1 darstellte Schubkastenauszugsführung 10 besteht im wesentlichen aus einer am nicht dargestellten Möbelkorpus festlegbaren Führungsschiene 11, einer im Querschnitt etwa C-förmigen Auszugsschiene 12 sowie einer die Auszugsschiene 12 mit der Führungsschiene 11 verbindenden Innenprofilschiene 13, die im dargestellten Ausführungsbeispiel mit der Führungsschiene 11 einstückig ist. Zwischen der Innenprofilschiene 13 und der Auszugsschiene 12 sind mittels eines nicht näher dargestellten Käfigs Wälzkörper 14 angeordnet. An der Außenseite des horizontalen Schenkels der Führungsschiene 11 ist ein anhand der Figuren 2 und 3 näher erläuterter Führungskörper 15 beispielsweise durch Rastung festgelegt. An der dem vertikalen Schenkel der Führungsschiene 11 abgewandten Seite ragt aus dem Führungskörper 15 eine anhand der Figuren 2 und 3 noch näher erläuterte Rastklinke 16 heraus, die durch einen fest an der Auszugsschiene 12 angeordneten Mitnehmer über eine bestimmte Verschiebestrecke der Auszugsschiene 12 mitgenommen wird. Der Führungskörper 15 ist im Querschnitt U-förmig ausgebildet, wobei die parallelen Schenkel relativ kurz sind, so daß der Führungskörper 15 relativ dünn ist und ohne weiteres in Spalte zwischen der Schubkastenauszugsführung 10 und Innenflächen eines Möbelkorpus montierbar ist. Der Führungskörper 15 besitzt eine etwa parallel zu den oberen und unteren Kanten verlaufende Führungsbahn in Form einer Führungsnut 18, in die ein Führungszapfen 19 der Rastklinke 16 eingreift. Der Führungszapfen 19 sitzt an der der Führungsnut 18 zugewandten Seite der Rastklinke 16. Gegenüberliegend ist an der Rastklinke 16 ein weiterer Führungszapfen und ein Einhängezapfen 20 an die Rastklinke 16 angeformt. An den Einhängezapfen 20 ist das eine Ende einer Zugfeder 21 eingehängt. Das andere Ende der Zugfeder ist an einem im Endbereich liegenden weiteren Zapfen 22 eingehängt. Die Führungsnut 18 besteht aus einem im wesentlichen geradlinigen Teilstück 18 a und einer der Zugfeder 21 abgewandt liegenden Wendeschleife 18 b, deren Grundkontur ein Dreieck beschreibt. Die Wendeschleife besteht demzufolge aus einem im wesentlichen aufrechten Teilstück 18 c, welches quer zum geradlinigen Teilstück 18 a der Führungsnut 18 steht. Die Wendeschleife 18 b hat außerdem ein geradliniges Teilstück, welches fluchtend zum geradlinigen Teil 18 a steht. Ferner enthält sie noch ein unter einem stumpfen Winkel zum geradlinigen Teilstück 18 a stehendes Teilstück. Die Tiefe des geradlinigen Teilstückes der Wendeschleife 18 b ist geringer als die Tiefe des restlichen Teils der Wendeschleife. Dadurch entsteht für den Führungszapfen 19 der Rastklinke 16 ein Anschlag 23. Angrenzend an den unter einem stumpfen Winkel verlaufenden Teilstück der Wendeschleife 18 b ragt in die Führungsnut 18 ein Führungssteg 24 hinein. Gegenüberliegend im Bereich des geradlinigen Teilstückes ragt in die Führungsnut 18 ein Federsteg 25 hinein. Der Führungssteg 24 und der Federsteg 25 sind an den Bereich des Führungskörpers 15 angeformt, der durch die Wendeschleife 18 b begrenzt wird. Etwa mittig zwischen dem Führungssteg 24 und dem Federsteg 25 ragt in die Führungsnut 18 ein Leitsteg 26 hinein, der jedoch an der gegenüberliegenden Seite an dem Führungskörper 15 angeformt ist. Dadurch wird das aufrechte Teilstück 18 c der Wendeschleife 18 b in diesem Bereich quasi S-förmig gestaltet. Im Gegensatz zur dargestellten Ausführung könnte das aufrechte Teilstück 18 c der Führungsnut 18 mit einer Rastausnehmung für den Führungszapfen 19 versehen sein. Sinngemäß wird bei der dargestellten Ausführung durch den Federsteg 25 die Rastausnehmung gebildet.The drawer pull-out guide 10 shown in FIG. 1 essentially consists of a guide rail 11 which can be fixed on the furniture body (not shown), a pull-out rail 12 which is approximately C-shaped in cross section and an inner profile rail 13 which connects the pull-out rail 12 to the guide rail 11 and which, in the exemplary embodiment shown, has the guide rail 11 is in one piece. Rolling elements 14 are arranged between the inner profile rail 13 and the pull-out rail 12 by means of a cage (not shown in more detail). On the outside of the horizontal leg of the guide rail 11, a guide body 15, which is explained in more detail with reference to FIGS. 2 and 3, is fixed, for example, by latching. On the side facing away from the vertical leg of the guide rail 11, a latch 16, explained in more detail with reference to FIGS. 2 and 3, protrudes out of the guide body 15 and is taken along by a driver fixedly arranged on the pull-out rail 12 over a certain displacement distance of the pull-out rail 12. The guide body 15 is U-shaped in cross section, the parallel legs being relatively short, so that the guide body 15 is relatively thin and can be easily mounted in gaps between the drawer slide guide 10 and inner surfaces of a furniture body. The guide body 15 has an approximately parallel to the upper and lower edges guideway in the form of a guide groove 18 into which a guide pin 19 of the latch 16 engages. Of the Guide pin 19 sits on the side of the locking pawl 16 facing the guide groove 18. On the opposite side, a further guide pin and a hanging pin 20 are integrally formed on the locking pawl 16 on the locking pawl 16. One end of a tension spring 21 is attached to the hanging pin 20. The other end of the tension spring is hooked onto a further pin 22 located in the end region. The guide groove 18 consists of a substantially rectilinear section 18 a and a reversing loop 18 b lying away from the tension spring 21, the basic contour of which describes a triangle. The turning loop accordingly consists of an essentially upright section 18 c, which is transverse to the straight section 18 a of the guide groove 18. The reversing loop 18 b also has a rectilinear section, which is aligned with the rectilinear part 18 a. It also contains a section at an obtuse angle to the straight section 18 a. The depth of the rectilinear section of the turning loop 18 b is less than the depth of the remaining part of the turning loop. This creates a stop 23 for the guide pin 19 of the detent pawl 23. Adjacent to the section of the reversing loop 18 b running at an obtuse angle, a guide web 24 projects into the guide groove 18. Opposite in the region of the straight-line section, a spring bar 25 projects into the guide groove 18. The guide web 24 and the spring web 25 are integrally formed on the area of the guide body 15, which is limited by the turning loop 18 b. A guide web 26 protrudes approximately centrally between the guide web 24 and the spring web 25 into the guide groove 18, but is formed on the guide body 15 on the opposite side. As a result, the upright section 18 c of the reversing loop 18 b is quasi S-shaped in this area. In contrast to the embodiment shown, the upright section 18 c of the guide groove 18 could be provided with a latching recess for the guide pin 19. In the embodiment shown, the locking recess is formed by the spring bar 25.

Die Rastklinke 16 ist etwa dreieckförmig gestaltet, wobei der Führungszapfen 19 und der Einhängezapfen 20 sowie der weitere Führungszapfen an einer Seite angeordnet sind. Gegenüberliegend ist in der Spitze ein etwa rechtwinklig zu dieser Basis verlaufender Schlitz 27 vorgesehen, wobei die der Zugfeder 21 abgewandte Spitze gegenüber der zugewandten Spitze vorsteht, so daß gegen diesen Bereich der Mitnehmer 17 schlägt.The locking pawl 16 is approximately triangular in shape, the guide pin 19 and the hanging pin 20 and the further guide pin being arranged on one side. Opposite there is a slot 27 running approximately at right angles to this base in the tip, the tip facing away from the tension spring 21 protruding from the facing tip, so that the driver 17 strikes against this area.

Die Figur 2 zeigt, wie bereits gesagt, eine Zwischenstellung, in der der Schubkasten bzw. die Auszugsschiene 12 eingefahren wird. Die Zugfeder 21 ist bereits gespannt und durch den Mitnehmer 17 wurde die Rastklinke 16 um eine definierte Strecke in Richtung zum aufrechten Teilstück 18 c der Wendeschleife 18 b verfahren. Der Führungszapfen 19 steht unmittelbar vor dem Anschlag 23 bzw. vor dem schräg verlaufenden Teilstück der Wendeschleife 18. Es ergibt sich aus der Figur 2, daß beim weiteren Einfahren des Schubkastens der Führungszapfen 19 zwangsläufig in dieses schräge Teilstück gedrückt wird. Beim weiteren Einfahren umfährt der Führungszapfen 19 den Führungssteg 24, so daß nach dem Umfahren der Schubkasten ein klein wenig in der entgegengesetzten Richtung selbsttätig durch die gespannte Zugfeder 21 verfahren wird. Da der Führungszapfen nunmehr nicht mehr fluchtend zur Wirkungslinie der Zugfeder 21 steht, wird er selbsttätig gegen den Federsteg 25 gezogen, so daß in dieser Stellung, die in der Figur 3 dargestellt ist, der Schubkasten arretiert ist. Soll der Schubkasten aus dem Möbelkorpus herausgezogen werden, wird er im Normalfall ein klein wenig in den Möbelkorpus hineingedrückt, so daß der Führungszapfen 19 den Federsteg 25 umfährt und dann in den geradlinigen Teil der Wendeschleife 18 gelangt. Durch die sich entspannende Zugfeder 21 wird dann der Schubkasten ein bestimmtes Stück aus dem Möbelkorpus herausgezogen. Wird jedoch auf den Schubkasten eine Zugkraft ausgeübt, verformt sich der Federsteg 25, so daß auch dadurch der Führungszapfen 19 in das geradlinige Teilstück der Wendeschleife 18 b gelangt. Es ergibt sich aus den Figuren, daß der Führungszapfen 19 zum Ende des Einfahrens eines Schubkastens und bei Beginn des Herausziehens eine etwa dreieckförmige Umlaufbahn beschreibt.As already mentioned, FIG. 2 shows an intermediate position in which the drawer or the pull-out rail 12 is retracted. The tension spring 21 is already tensioned and the catch 17 has been moved through a defined distance by the driver 17 Move towards the upright section 18 c of the reversing loop 18 b. The guide pin 19 is located directly in front of the stop 23 or in front of the sloping section of the turning loop 18. It can be seen from FIG. 2 that when the drawer is retracted further, the guide pin 19 is inevitably pressed into this sloping section. When retracting, the guide pin 19 bypasses the guide web 24, so that after the drawer has been moved around, the tensioned spring 21 automatically moves a little in the opposite direction. Since the guide pin is no longer in alignment with the line of action of the tension spring 21, it is automatically pulled against the spring bar 25, so that the drawer is locked in this position, which is shown in FIG. 3. If the drawer is to be pulled out of the furniture body, it is normally pushed a little bit into the furniture body so that the guide pin 19 bypasses the spring bar 25 and then reaches the straight part of the turning loop 18. Through the relaxing tension spring 21, the drawer is then pulled out a certain distance from the furniture body. However, if a tensile force is exerted on the drawer, the spring bar 25 deforms, so that the guide pin 19 thereby also enters the rectilinear section of the reversing loop 18 b. It can be seen from the figures that the guide pin 19 describes an approximately triangular orbit at the end of the retraction of a drawer and at the start of the extraction.

Claims (11)

Schubkastenauszugsführung mit einer am Möbelkorpus festlegbaren Führungsschiene und mit einer am Schubkasten festgelegten Auszugsschiene, die gegenüber der Führungsschiene verfahrbar ist, wobei der Schubkasten in der Schließstellung mittels eines federbelasteten Zuhalteelementes gesichert ist, dadurch gekennzeichnet, daß das federbelastete Zuhalteelement eine mittels eines an der ausfahrbaren Auszugsschiene (12) angeordneten Mitnehmers (17) verfahrbare Rastklinke (16) ist, welche in einem flachen Führungskörper (15) längs einer in Verschieberichtung des Schubkastens verlaufenden Führungsbahn verschiebbar geführt ist, welche eine Wendeschleife (18 b) aufweist, in dessen Wendebereich eine die Rastklinke (16) in der Schließstellung des Schubkastens arretierende Ausnehmung liegt.Drawer pull-out guide with a guide rail that can be fixed to the furniture body and with a pull-out rail that is fixed to the drawer and that can be moved relative to the guide rail, the drawer being secured in the closed position by means of a spring-loaded locking element, characterized in that the spring-loaded locking element is a means of a pull-out rail on the extendable ( 12) arranged driver (17) is movable latch (16) which is displaceably guided in a flat guide body (15) along a guide track running in the direction of displacement of the drawer, which has a turning loop (18 b), in the turning area of which one of the latch ( 16) is in the closed position of the drawer locking recess. Schubkastenauszugsführung nach Anspruch 1, dadurch gekennzeichnet, daß die Führungsbahn als Führungsnut (18) ausgebildet ist.Drawer pull-out guide according to claim 1, characterized in that the guide track is designed as a guide groove (18). Schubkastenauszugsführung nach Anspruch 1, dadurch gekennzeichnet, daß sich die Wendeschleife (18 b) an ein geradliniges Teilstück (18 a) der Führungsbahn bzw. der Führungsnut (18) anschließt, und daß die Wendeschleife (18 b) eine Grundkontur nach Art eines Dreicks beschreibt.Drawer pull-out guide according to Claim 1, characterized in that the turning loop (18 b) adjoins a rectilinear section (18 a) of the guideway or guide groove (18), and in that the turning loop (18 b) describes a basic contour in the manner of a triangle . Schubkastenauszugsführung nach Anspruch 1, dadurch gekennzeichnet, daß das die Ausnehmung aufweisende Teilstück der Führungsbahn (18) quer zum geradlinigen Teilstück (18 a) und diesem abgewandt steht.Drawer pull-out guide according to Claim 1, characterized in that the section of the guide track (18) which has the recess is at right angles to the rectilinear section (18 a) and faces away from it. Schubkastenauszugsführung nach Anspruch 1, dadurch gekennzeichnet, daß ein weiteres Teilstück der Wendeschleife (18 b) gegenüber dem geraden Teilstück (18 a) der Führungsbahn unter einem stumpfen Winkel verläuft und daß das andere Teilstück fluchtend oder annähernd fluchtend zum geradlinigen Teilstück (18 b) steht.Drawer pull-out guide according to Claim 1, characterized in that a further section of the turning loop (18 b) runs at an obtuse angle with respect to the straight section (18 a) of the guideway, and that the other section is aligned or approximately aligned with the straight section (18 b) . Schubkastenauszugsführung nach einem oder mehreren der vorhergehenden Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Tiefe der Führungsnut (18) des unter einem stumpfen Winkel zum geradlinigen Teilstück (18 a) stehende Teilstück der Wendeschleife (18 b) größer ist als die Tiefe des fluchtend zum geradlinigen Teilstück (18 a) stehenden Teilstückes der Wendeschleife (18 b).Drawer pull-out guide according to one or more of the preceding claims 2 to 5, characterized in that the depth of the guide groove (18) of the section of the reversing loop (18 b) which is at an obtuse angle to the rectilinear section (18 a) is greater than the depth of the flush to the straight section (18 a) of the reversing loop (18 b). Schubkastenauszugsführung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 6., dadurch gekennzeichnet, daß die Rastklinke (16) einen in die Führungsnut eingreifenden Führungszapfen (19) aufweist.Drawer pull-out guide according to one or more of the preceding claims 1 to 6, characterized in that the latching pawl (16) has a guide pin (19) which engages in the guide groove. Schubkastenauszugsführung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Rastklinke (16) an der dem Führungszapfen (19) gegenüberliegenden Seite eine quer oder schräg zur Führungsnut (18) stehenden Schlitz (27) aufweist, in die der Mitnehmer (17) der Auszugsschiene (12) eingreift.Drawer slide-out guide according to one or more of the preceding claims 1 to 7, characterized in that the latching pawl (16) on the side opposite the guide pin (19) has a slot (27) which is transverse or oblique to the guide groove (18) and into which the driver (17) of the pull-out rail (12) engages. Schubkastenauszugsführung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das quer zum geradlinigen Teil der Führungsbahn (18) stehende Teilstück der Wendeschleife (18 b) wenigstens einen in die Führungsbahn eingreifenden Federsteg (25) aufweist, der anstelle der Ausnehmung die Rastklinke (16) in der Schließstellung des Schubkastens arretiert.Drawer pull-out guide according to one or more of the preceding claims 1 to 8, characterized in that the section of the reversing loop (18b) which is transverse to the rectilinear part of the guide track (18) has at least one spring bar (25) which engages in the guide track and which instead of the recess the latch (16) is locked in the closed position of the drawer. Schubkastenauszugsführung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 9., dadurch gekennzeichnet, daß an dem Führungskörper (15) dem Federsteg (25) gegenüberliegend ein in die Führungsnut (18) hineinragender Führungssteg (24) angeformt ist.Drawer slide guide according to one or more of the preceding claims 1 to 9, characterized in that a guide web (24) projecting into the guide groove (18) is formed on the guide body (15) opposite the spring web (25). Schubkastenauszugsführung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Federsteg (25) und dem Führungssteg (24) ein Leitsteg (26) angeordnet ist, der jedoch an der anderen Seite des Führungskörpers (15) angeformt ist.Drawer pull-out guide according to one or more of the preceding claims, characterized in that a guide web (26) is arranged between the spring web (25) and the guide web (24), but is integrally formed on the other side of the guide body (15).
EP96106046A 1995-05-17 1996-04-18 Drawer slide Expired - Lifetime EP0743032B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29507917U 1995-05-17
DE29507917U DE29507917U1 (en) 1995-05-17 1995-05-17 Drawer drawer slide

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EP0743032A2 true EP0743032A2 (en) 1996-11-20
EP0743032A3 EP0743032A3 (en) 1997-02-19
EP0743032B1 EP0743032B1 (en) 1998-09-23

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ID=8007976

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EP96106046A Expired - Lifetime EP0743032B1 (en) 1995-05-17 1996-04-18 Drawer slide

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EP (1) EP0743032B1 (en)
AT (1) ATE171347T1 (en)
DE (2) DE29507917U1 (en)
ES (1) ES2121451T3 (en)

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GB2417191B (en) * 2004-08-19 2006-07-05 King Slide Works Co Ltd Releasable Retainer Within A Slide Structure
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Also Published As

Publication number Publication date
ATE171347T1 (en) 1998-10-15
DE59600590D1 (en) 1998-10-29
ES2121451T3 (en) 1998-11-16
DE29507917U1 (en) 1995-08-17
EP0743032B1 (en) 1998-09-23
EP0743032A3 (en) 1997-02-19

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