EP0377703B1 - Brace for a piece of furniture having several superimposed drawers - Google Patents

Brace for a piece of furniture having several superimposed drawers Download PDF

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Publication number
EP0377703B1
EP0377703B1 EP89906705A EP89906705A EP0377703B1 EP 0377703 B1 EP0377703 B1 EP 0377703B1 EP 89906705 A EP89906705 A EP 89906705A EP 89906705 A EP89906705 A EP 89906705A EP 0377703 B1 EP0377703 B1 EP 0377703B1
Authority
EP
European Patent Office
Prior art keywords
drawer
rotary thrust
angular
thrust member
projection
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.)
Expired - Lifetime
Application number
EP89906705A
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German (de)
French (fr)
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EP0377703A1 (en
Inventor
Detlev Kruse
Volker Pohlmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6357970&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0377703(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Priority to AT89906705T priority Critical patent/ATE92574T1/en
Priority to EP92114955A priority patent/EP0529679B1/en
Publication of EP0377703A1 publication Critical patent/EP0377703A1/en
Application granted granted Critical
Publication of EP0377703B1 publication Critical patent/EP0377703B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers
    • E05B65/462—Locks or fastenings for special use for drawers for two or more drawers
    • E05B65/463—Drawer interlock or anti-tilt mechanisms, i.e. when one drawer is open, at least one of the remaining drawers is locked

Definitions

  • the present invention relates to a fitting according to the preamble of claim 1.
  • the switch cam is designed as a pin attached to an arm, the arm being fastened to a rail part which can be extended with the drawer.
  • This pin works together with a rotary valve designed as a lever, which can be pivoted into two end positions by means of a tension spring.
  • the fork lever is pivoted so that after a relatively short distance the pin attached to the arm comes out of engagement with the fork lever. Since the rotary valve was moved past the dead center, it remains in this position.
  • the pin of the arm engages the fork lever. As soon as the dead center has been overcome, the drawer is pulled into the end position by the spring and also held in this position.
  • This fitting is designed so that all drawers, for example a storage cabinet or a desk, can be brought into the extended position. For safety reasons, however, only one drawer should be extendable if possible. On the other hand, it is also desired that the drawers remain in the closed position so that the front panel rests against the front of the piece of furniture without any gaps.
  • Another disadvantage is the fact that the drawer cannot be moved back into the closed position if the rotary slide valve is inadvertently manually pivoted into the position corresponding to the closed position of the drawer when the drawer is extended.
  • the present invention relates to a fitting according to the preamble of claim 1.
  • the switch cam is designed as a pin attached to the drawer, which interacts with a rotary slide designed as a fork lever, which in two by means of a tension spring End positions is pivotable.
  • the fork lever is pivoted so that after a relatively short distance the pin disengages from the fork lever. Since the rotary valve has been moved past the dead center, it remains in this position.
  • the pin engages the fork lever. As soon as the dead center has been overcome, the drawer is pulled into the end position by the spring and also held in this position.
  • This fitting is designed so that all drawers, for example a storage cabinet or a desk, can be brought into the extended position. For safety reasons, however, only one drawer should be extendable if possible. On the other hand, it is also desired that the drawers remain in the closed position so that the front panel rests against the front of the piece of furniture without any gaps.
  • Another disadvantage is the fact that the drawer cannot be moved back into the closed position if the rotary slide valve is inadvertently manually pivoted into the position corresponding to the closed position of the drawer when the drawer is extended.
  • the present invention has for its object to develop a fitting of the type mentioned so that only one of several drawers can be extended, each drawer being pulled into the closed position and held in this position when retracting over a relatively short distance, and that in spite of incorrect operation, each drawer can be brought into the closed position, whereby the inserted drawer should be prevented from springing back if it is retracted at too high a speed or too much force.
  • the rotary valve now not only has the task of bringing the drawer to be retracted into the closed position over the last relatively short section to be held, but also to prevent the remaining drawers from being extended when the drawer is extended in cooperation with the blocking rail.
  • the rotary valve can therefore be seen in the sense of a drive element for the blocking rail.
  • the double function results in a particularly simple construction.
  • the fitting in question is referred to in the industry as a self-closing fitting.
  • Springback is not only achieved by the spring-loaded rotary valve, but also by the interaction of the rotary rail with the blocking rail, which in turn creates a brake link.
  • subclaim 2 it is achieved by the features of subclaim 2 that when the drawer extends, the switching cam moved in synchronism firstly strikes the free edge of the spring bar, thereby moving the entire rotary slide and simultaneously rotating it over a partial distance so that the switching cam disengages from the Rotary valve is coming.
  • the rotary valve normally remains in this position.
  • retracting the switch cam runs on the stop cam of the rotary valve, whereby the rotary valve is moved back to the starting position against the previous movement while simultaneously rotating in opposite directions.
  • the rotary valve remains in its angular position when the drawer is extended, so that there is no need to overcome a dead center, for which purpose the spring force would first have to be increased in an unfavorable manner.
  • claim 4 ensure that only a single part is necessary for the guidance of the blocking rail and for the movable mounting of the rotary valve. This simplifies assembly. In addition, only one tool is required if this molded body is designed as a plastic injection molded part. In addition, furniture can subsequently be retrofitted with the fitting in a particularly simple manner, since the molded body can be screwed onto the furniture body. The furniture body itself does not need any additional guides for the blocking rail.
  • the fitting shown in the figures is screwed to the inner surface of a side wall 10 of a piece of furniture at the smallest possible distance from the front. Fitting is necessary for each drawer 11 indicated in FIG. 5. It is sufficient for the function if the fitting is provided on one side. 5 that it lies above the drawer 11. This arrangement is advisable since the height of the front panel of a drawer is usually greater than the height of the actual drawer.
  • the fitting has a rotary slide 12, which has a hanging pin 13 for a tension spring 14 on the side facing away from the furniture body.
  • the other end of the tension spring 14 is suspended from a pin of a shaped body 15, which will be explained in more detail.
  • the tension spring 14 is under tension.
  • the switching cam 16 is formed on a block 17, which is fixed by means of a fastening bracket 18 to an angled leg of the side wall of the drawer 11.
  • a driving pin 19 is attached to the rotary slide valve 12 on the side facing the side wall 10 of the furniture body, the central longitudinal axis of which is aligned with the central longitudinal axis of the hanging pin 13 for the tension spring 14. These central longitudinal axes form the axis of rotation of the rotary slide 12.
  • the driving pin 19 penetrates a horizontal guide groove 20 provided in the molded body 15.
  • the length of the driving pin 19 is so large that the free end face passes through the guide groove 20 and engages in an angular groove 21 of a blocking rail 22.
  • Fig. 6 shows that the locking rail 22 is guided in a guide channel 23.
  • the length of the guide groove 20 and the width of the blocking rail 22 are essentially the same.
  • the guide groove 20 opens into the guide channel 23.
  • the blocking rail has at least as many angular grooves 21 as the furniture contains drawers 11. 3 and 4, however, several angular grooves are provided in order to be able to use the same blocking rails 22 for drawers of different heights. In the partial sections, only the upper and lower angular grooves 21 are used, as will be explained.
  • the rotary slide valve 12 On the side facing away from the side wall 10, the rotary slide valve 12 has a stop cam 25 which is offset from its axis of rotation and a spring bar 26 which is at an acute angle to the plane of movement of the rotary slide valve 12.
  • the spring bar 26 In the closed position of the drawer 11 shown in Fig. 1, the spring bar 26 is at the same height as the stop cam 25.
  • the distance between the mutually facing surfaces of the stop cam 25 and the spring bar 26 is so large that the switching cam 16 in the thereby limited space can intervene.
  • the drawer 10 is removed from the furniture moved out, the switching cam 16 moves in synchronism in the direction of arrow E.
  • the rotary valve is moved in a synchronous linear movement with simultaneous rotation according to the representations according to FIGS. 1 and 2 counterclockwise.
  • Fig. 3 the position of the driving pin 19 of two superposed drawers 11 is shown in the closed position. Due to the linear movement of the rotary valve 12 by the extension of the upper drawer 11, the driving pin 19 lifts the blocking rail 22.
  • the angular grooves 21 consist of a vertically extending section and an inclined part standing thereon. The vertical section is close to the long side facing away from the front of the furniture. The sloping section extends essentially over the entire width of the blocking rail 22. If all the drawers 11 are in the closed position, all the driving pins 19 of the rotary slide 12 lie at the apex of the two sections.
  • the rotary valve 12 has a guide plate 27, on which the stop cam 25 and the spring bar 26 are molded.
  • the guide plate 27 is guided in two vertically superimposed slots of the molded body 15.
  • the guide plate 27 In the basic contour, the guide plate 27 is circular so that rotation is possible. However, so that it is better guided in the slots, it has two guide surfaces at right angles to one another on the side facing the front of the furniture.
  • a further detent and guide bracket 28 is formed on the guide plate 27 and has a sliding surface that is parallel to the lower guide surface of the guide plate 27. This will make the rotary valve 12 guided perfectly during the linear movement.
  • the outer webs delimiting the slots for the guide plate 27 are designed in the form of a circular arc in the area facing the front of the piece of furniture, the center coinciding with the central longitudinal axis of the driving pin 19 of the rotary slide 12, based on the position of the rotary slide 12 shown in FIG. 2 with the drawer 11 pulled out.
  • the arcs interact with the stop cams 25 and the detent and guide bracket 28 so that the rotary slide 12 remains in the position shown in FIG. 2 until the switch cam 16 abuts the outer surface of the stop cam 25 .
  • the molded body 15 is T-shaped. 5 and 6 that it is composed of two parts 29, 30 with essentially the same basic contour. This makes assembly easier.
  • Each part 29, 30 has a groove 31, 32, which in the assembled state form the guide channel 23 for the blocking rail 22.
  • the parts are connected to each other on the side facing away from the front of the furniture via a film hinge 33, so that after the insertion of the rotary slide 12 and the tension spring 14, the parts 29, 30 can be folded together for screwing onto the side wall 10. Due to the hinge-like design, a part 29 or 30 can never be lost.
  • the angular grooves 21 are formed as openings in the illustrated embodiment.

Landscapes

  • Drawers Of Furniture (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Stackable Containers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Treating Waste Gases (AREA)

Abstract

The closing fitting for a drawer mounted slidably in a furniture body (10) is designed so that the drawer, when introduced over a short distance, is drawn into the closing position and is held in this position. The closing fitting is equipped with a rotatably mounted rotary slide (12) movable under the effect of a spring (14). When the drawer is being moved out, the rotary slide (12) is also moved by a switch projection (16) fastened to the drawer and at the same time is rotated over a part distance so far that the switch projection (16) comes out of engagement with the rotary slide (12) and the rotary slide is retained in the release position. When the drawer is being moved in, the switch projection (16) comes up against a stop projection (25) of the rotary slide, with the result that the rotary slide is moved back into the initial position under the spring effect in the opposite direction to the preceding movement, at the same time rotating in the opposite direction, and draws the drawer into the closing position. <IMAGE>

Description

Die vorliegende Erfindung betrifft einen Beschlag gemäß dem Oberbegriff des Anspruches 1.The present invention relates to a fitting according to the preamble of claim 1.

Bei einem bekannten Beschlag der in Rede stehenden Art ist der Schaltnocken als ein an einem Arm angebrachter Stift ausgebildet, wobei der Arm an einem mit dem Schubkasten ausfahrbaren Schienenteil befestigt ist. Dieser Stift arbeitet mit einem als Hebel ausgebildeten Drehschieber zusammen, der mittels einer Zugfeder in zwei Endlagen schwenkbar ist. Beim Ausfahren des Schubkastens wird der Gabelhebel so geschwenkt, daß nach einer relativ kurzen Strecke der an dem Arm angebrachte Stift außer Eingriff mit dem Gabelhebel gelangt. Da der Drehschieber über den _Totpunkt hinweg bewegt wurde, verbleibt er in dieser Stellung. Beim Einfahren des Schubkastens gelangt der Stift des Armes mit dem Gabelhebel in Eingriff. Sobald der Totpunkt überwunden wurde, wird der Schubkasten durch die Feder in die Endstellung gezogen und auch in dieser Stellung gehalten.In a known fitting of the type in question, the switch cam is designed as a pin attached to an arm, the arm being fastened to a rail part which can be extended with the drawer. This pin works together with a rotary valve designed as a lever, which can be pivoted into two end positions by means of a tension spring. When the drawer is extended, the fork lever is pivoted so that after a relatively short distance the pin attached to the arm comes out of engagement with the fork lever. Since the rotary valve was moved past the dead center, it remains in this position. When the drawer is retracted, the pin of the arm engages the fork lever. As soon as the dead center has been overcome, the drawer is pulled into the end position by the spring and also held in this position.

Dieser Beschlag ist so ausgelegt, daß alle Schubkästen beispielsweise eines Ablageschrankes oder eines Schreibtisches in die ausgefahrene Stellung gebracht werden können. Aus Sicherheitsgründen soll jedoch möglichst nur ein Schubkasten ausfahrbar sein. Andererseits wird auch gewünscht, daß die Schubkästen in der Schließstellung so verharren, daß die Frontplatte spaltfrei an der Frontseite des Möbels anliegt. Ein weiterer Nachteil ist noch darin zu sehen, daß der Schubkasten nicht in die Schließstellung zurückgefahren werden kann, wenn versehentlich der Drehschieber bei ausgefahrenem Schubkasten manuell in die der Schließstellung des Schubkastens entsprechende Stellung geschwenkt wird.This fitting is designed so that all drawers, for example a storage cabinet or a desk, can be brought into the extended position. For safety reasons, however, only one drawer should be extendable if possible. On the other hand, it is also desired that the drawers remain in the closed position so that the front panel rests against the front of the piece of furniture without any gaps. Another disadvantage is the fact that the drawer cannot be moved back into the closed position if the rotary slide valve is inadvertently manually pivoted into the position corresponding to the closed position of the drawer when the drawer is extended.

Die vorliegende Erfindung betrifft einen Beschlag gemäß dem Oberbegriff des Anspruches 1. Bei einem aus der FR-A-2514236 vorbekannten Beschlag ist der Schaltnocken als ein am Schubkasten angebrachter Stift ausgebildet, der mit einem als Gabelhebel ausgebildeten Drehschieber zusammenwirkt, der mittels einer Zugfeder in zwei Endlagen schwenkbar ist. Beim Ausfahren des Schubkastens wird der Gabelhebel so geschwenkt, daß nach einer relativ kurzen Strecke der Stift außer Eingriff mit dem Gabelhebel gelangt. Da der Drehschieber über den Totpunkt hinwegbewegt wurde, verbleibt er in dieser Stellung. Beim Einfahren des Schubkastens gelangt der Stift mit dem Gabelhebel in Eingriff. Sobald der Totpunkt überwunden wurde, wird der Schubkasten durch die Feder in die Endstellung gezogen und auch in dieser Stellung gehalten.The present invention relates to a fitting according to the preamble of claim 1. In a fitting known from FR-A-2514236, the switch cam is designed as a pin attached to the drawer, which interacts with a rotary slide designed as a fork lever, which in two by means of a tension spring End positions is pivotable. When the drawer is extended, the fork lever is pivoted so that after a relatively short distance the pin disengages from the fork lever. Since the rotary valve has been moved past the dead center, it remains in this position. When the drawer is retracted, the pin engages the fork lever. As soon as the dead center has been overcome, the drawer is pulled into the end position by the spring and also held in this position.

Dieser Beschlag ist so ausgelegt, daß alle Schubkästen beispielsweise eines Ablageschrankes oder eines Schreibtisches in die ausgefahrene Stellung gebracht werden können. Aus Sicherheitsgründen soll jedoch möglichst nur ein Schubkasten ausfahrbar sein. Andererseits wird auch gewünscht, daß die Schubkästen in der Schließstellung so verharren, daß die Frontplatte spaltfrei an der Frontseite des Möbels anliegt. Ein weiterer Nachteil ist noch darin zu sehen, daß der Schubkasten nicht in die Schließstellung zurückgefahren werden kann, wenn versehentlich der Drehschieber bei ausgefahrenem Schubkasten manuell in die der Schließstellung des Schubkastens entsprechende Stellung geschwenkt wird.This fitting is designed so that all drawers, for example a storage cabinet or a desk, can be brought into the extended position. For safety reasons, however, only one drawer should be extendable if possible. On the other hand, it is also desired that the drawers remain in the closed position so that the front panel rests against the front of the piece of furniture without any gaps. Another disadvantage is the fact that the drawer cannot be moved back into the closed position if the rotary slide valve is inadvertently manually pivoted into the position corresponding to the closed position of the drawer when the drawer is extended.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen Beschlag der eingangs genannte Art so weiterzuentwickeln, daß jeweils nur einer von mehreren Schubkästen ausfahrbar ist, wobei jeder Schubkasten beim Einfahren über eine verhältnismäßig kurze Strecke in die Schließstellung gezogen und in dieser Stellung gehalten wird, und daß trotz einer Fehlbedienung jeder Schubkasten in die Schließstellung bringbar ist, wobei ein Rückfedern des eingeschobenen Schubkastens verhindert werden soll, wenn dieser mit zu großer Geschwindigkeit oder zu großer Kraft eingefahren wird.The present invention has for its object to develop a fitting of the type mentioned so that only one of several drawers can be extended, each drawer being pulled into the closed position and held in this position when retracting over a relatively short distance, and that in spite of incorrect operation, each drawer can be brought into the closed position, whereby the inserted drawer should be prevented from springing back if it is retracted at too high a speed or too much force.

Die gestellte Aufgabe ist durch die im Kennzeichen des Anspruches 1 aufgeführten Merkmale gelöst.The object is achieved by the features listed in the characterizing part of claim 1.

Der Drehschieber hat nunmehr nicht nur die Aufgabe, den einzufahrenden Schubkasten über die zuletzt zurückzulegende, relativ kurze Teilstrecke in die Schließstellung zu bringen, ihn darin zu halten, sondern beim Ausfahren des Schubkastens im Zusammenwirken mit der Blockierschiene ein Ausfahren der restlichen Schubladen zu verhindern. Dies wird dadurch ermöglicht, daß in besonders einfacher Weise der Drehschieber auch in Bewegungsrichtung des Schubkastens verfahrbar ist. Durch den angeformten, in das schrägstehende Teilstück der Winkelnut der Blockierschiene eingreifende Zapfen wird die Horizontalbewegung des Drehschiebers in eine Vertikalbewegung der Blockierschiene umgewandelt, da der Zapfen innerhalb der Nut gleitet und die Arretierschiene je nach der Bewegungsrichtung des Drehschiebers anhebt oder absenkt. Der Drehschieber ist demzufolge im Sinne eines Antriebsgliedes für die Blockierschiene zu sehen. Durch die Doppelfunktion ergibt sich eine besonders einfache konstruktive Ausbildung.The rotary valve now not only has the task of bringing the drawer to be retracted into the closed position over the last relatively short section to be held, but also to prevent the remaining drawers from being extended when the drawer is extended in cooperation with the blocking rail. This is made possible in that the rotary slide can also be moved in a particularly simple manner in the direction of movement of the drawer. Due to the integrally formed pin which engages in the inclined section of the angular groove of the blocking rail, the horizontal movement of the rotary slide is converted into a vertical movement of the blocking rail, since the pin slides within the groove and raises or lowers the locking rail depending on the direction of movement of the rotary slide. The rotary valve can therefore be seen in the sense of a drive element for the blocking rail. The double function results in a particularly simple construction.

Der in Rede stehende Beschlag wird in der Branche als ein Beschlag mit Selbsteinzug bezeichnet. Ein Zurückfedern wird nicht nur durch den federbelasteten Drehschieber erreicht, sondern auch noch durch das Zusammenwirken der Drehschiene mit der Blockierschiene, wodurch sinngemäß ein Bremsglied entsteht.The fitting in question is referred to in the industry as a self-closing fitting. Springback is not only achieved by the spring-loaded rotary valve, but also by the interaction of the rotary rail with the blocking rail, which in turn creates a brake link.

Vorteilhafte Weiterbildungen des Beschlages gemäß dem Kennzeichen des Anspruches 1 sind in den Unteransprüchen aufgezeigt.Advantageous further developments of the fitting according to the characterizing part of claim 1 are shown in the subclaims.

Durch die Merkmale des Unteranspruches 2 wird erreicht, daß beim Ausfahren des Schubkastens der im Synchronlauf mitbewegte Schaltnocken zunächst gegen die freie Kante des Federsteges stößt, dadurch den gesamten Drehschieber mitbewegt und ihn gleichzeitig über eine Teilstrecke so weit dreht, daß der Schaltnocken außer Eingriff mit dem Drehschieber kommt. Der Drehschieber verharrt normalerweise in dieser Stellung. Beim Einfahren läuft der Schaltnocken auf den Anschlagnocken des Drehschiebers auf, wodurch der Drehschieber entgegen der vorherigen Bewegung unter gleichzeitiger gegensinniger Drehung in die Ausgangsstellung zurückbewegt wird. Wirdjedoch in der ausgefahrenen Stellung des Schubkastens der Drehschieber manuell in die der Schließstellung des Schubkastens entsprechende Lage gebracht, läuft der Schaltnocken auf den Federsteg auf, wodurch dieser in Richtung zur Arretierschiene ausgelenkt wird, so daß der Schaltnocken in den von dem Anschlagnocken und dem Federsteg begrenzten Zwischenraum einfahren kann.It is achieved by the features of subclaim 2 that when the drawer extends, the switching cam moved in synchronism firstly strikes the free edge of the spring bar, thereby moving the entire rotary slide and simultaneously rotating it over a partial distance so that the switching cam disengages from the Rotary valve is coming. The rotary valve normally remains in this position. When retracting the switch cam runs on the stop cam of the rotary valve, whereby the rotary valve is moved back to the starting position against the previous movement while simultaneously rotating in opposite directions. However, if the rotary slide valve is brought manually into the position corresponding to the closed position of the drawer in the extended position of the drawer, the switch cam runs onto the spring bar, whereby this is deflected towards the locking rail, so that the switch cam is delimited by the stop cam and the spring bar Space can enter.

Durch die Merkmale des Anspruches 3 wird erreicht, daß der Drehschieber bei ausgefahrenem Schubkasten in seiner Winkelstellung verbleibt, so daß die Überwindung eines Totpunktes entfällt, wozu zunächst die Federkraft in ungünstiger Weise vergrößert werden müßte.It is achieved by the features of claim 3 that the rotary valve remains in its angular position when the drawer is extended, so that there is no need to overcome a dead center, for which purpose the spring force would first have to be increased in an unfavorable manner.

Durch die Merkmale des Anspruches 4 wird erreicht, daß für die Führung der Blockierschiene und für die bewegliche Lagerung des Drehschiebers nur ein Einzelteil notwendig ist. Dadurch wird die Montage vereinfacht. Außerdem ist nur ein Werkzeug erforderlich, wenn dieser Formkörper als Kunststoffspritzgußteil ausgebildet ist. Außerdem kann dadurch ein Möbel nachträglich in besonders einfacher Weise mit dem Beschlag nachgerüstet werden, da der Formkörper am Möbelkorpus angeschraubt werden kann. Der Möbelkorpus selbst braucht keine zusätzlichen Führungen für die Blokkierschiene.The features of claim 4 ensure that only a single part is necessary for the guidance of the blocking rail and for the movable mounting of the rotary valve. This simplifies assembly. In addition, only one tool is required if this molded body is designed as a plastic injection molded part. In addition, furniture can subsequently be retrofitted with the fitting in a particularly simple manner, since the molded body can be screwed onto the furniture body. The furniture body itself does not need any additional guides for the blocking rail.

Die Vorteile der Merkmale der weiteren Unteransprüche ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels. Es zeigen:

Fig. 1
eine Frontansicht auf den Beschlag bei eingeschobenem Schubkasten längs einer Linie A-A in der Fig. 5,
Fig. 2
eine der Fig. 1 entsprechende Darstellung, jedoch bei ausgefahrenem Schubkasten,
Fig. 3
eine Ansicht auf die Blockierschiene bei der Stellung des Drehschiebers bzw. des Schubkastens nach der Fig. 1, gemäß der Linie D-D in der Fig. 6,
Fig. 4
eine Ansicht auf die Blockierschiene in der Stellung des Drehschiebers bzw. des Schubkastens nach der Fig. 2, ebenfalls gemäß der Linie D-D in der Fig. 6,
Fig. 5
eine Stirnansicht auf den Beschlag in Richtung des Pfeiles C in der Fig. 1 und
Fig. 6
eine Draufsicht in Richtung des Pfeiles B in der Fig. 1.
The advantages of the features of the further subclaims result from the following description of a preferred exemplary embodiment. Show it:
Fig. 1
5 shows a front view of the fitting with the drawer pushed in along a line AA in FIG. 5,
Fig. 2
1 corresponding representation, but with the drawer extended,
Fig. 3
2 shows a view of the blocking rail in the position of the rotary slide or the drawer according to FIG. 1, along the line DD in FIG. 6,
Fig. 4
3 shows a view of the blocking rail in the position of the rotary slide or the drawer according to FIG. 2, likewise along the line DD in FIG. 6,
Fig. 5
a front view of the fitting in the direction of arrow C in FIGS. 1 and
Fig. 6
a plan view in the direction of arrow B in FIG. 1st

Der in der Figuren aufgezeigte Beschlag ist an der Innenfläche einer Seitenwand 10 eines Möbels in einem geringstmöglichen Abstand zur Frontseite angeschraubt. Für jeden in der Fig. 5 angedeutungsweise dargestellten Schubkasten 11 ist ein Beschlag notwendig. Für die Funktion ist es ausreichend, wenn an einer Seite der Beschlag vorgesehen wird. Aus der Fig. 5 ist erkennbar, daß er oberhalb des Schubkastens 11 liegt. Diese Anordnung bietet sich an, da normalerweise die Höhe der Frontplatte eines Schubkastens größer ist als die Höhe des eigentlichen Schubkastens.The fitting shown in the figures is screwed to the inner surface of a side wall 10 of a piece of furniture at the smallest possible distance from the front. Fitting is necessary for each drawer 11 indicated in FIG. 5. It is sufficient for the function if the fitting is provided on one side. 5 that it lies above the drawer 11. This arrangement is advisable since the height of the front panel of a drawer is usually greater than the height of the actual drawer.

Der Beschlag weist einen Drehschieber 12 auf, der an der dem Möbelkorpus abgewandt liegenden Seite einen Einhängezapfen 13 für eine Zugfeder 14 aufweist. Das andere Ende der Zugfeder 14 ist an einem Stift eines noch näher erläuterten Formkörpers 15 aufgehängt. Die Zugfeder 14 steht unter Vorspannung. In der Schließstellung des Schubkastens 11 steht der Drehschieber 12 über einen am Schubkasten 11 angesetzten Schaltnocken 16 in Verbindung. Wie die Fig. 5 zeigt, ist der Schaltnocken 16 an einem Klotz 17 angeformt, der mittels eines Befestigungswinkels 18 an einem abgewinkelten Schenkel der Seitenwand des Schubkastens 11 festgelegt ist.The fitting has a rotary slide 12, which has a hanging pin 13 for a tension spring 14 on the side facing away from the furniture body. The other end of the tension spring 14 is suspended from a pin of a shaped body 15, which will be explained in more detail. The tension spring 14 is under tension. In the closed position of the drawer 11 the rotary slide valve 12 is connected via a switch cam 16 attached to the drawer 11. 5 shows, the switching cam 16 is formed on a block 17, which is fixed by means of a fastening bracket 18 to an angled leg of the side wall of the drawer 11.

An dem Drehschieber 12 ist an der der Seitenwand 10 des Möbelkorpus zugewandten Seite ein Mitnahmezapfen 19 angesetzt, dessen Mittellängsachse zu der Mittellängsachse des Einhängezapfens 13 für die Zugfeder 14 fluchtet. Diese Mittellängsachsen bilden die Drehachse des Drehschiebers 12. Der Mitnahmezapfen 19 durchdringt eine im Formkörper 15 vorgesehene horizontale Führungsnut 20. Die Länge des Mitnahmezapfens 19 ist so groß, daß das freie Stirnende die Führungsnut 20 durchtritt und in eine Winkelnut 21 einer Blockierschiene 22 eingreift. Die Fig. 6 zeigt, daß die Blockierschiene 22 in einem Führungskanal 23 verschiebbar geführt ist. Die Länge der Führungsnut 20 und die Breite der Blockierschiene 22 stimmen im wesentlichen überein. Die Führungsnut 20 mündet in den Führungskanal 23 ein. Die Blockierschiene weist mindestens so viele Winkelnuten 21 auf, wie das Möbel Schubkästen 11 enthält. In den Ausschnitten gemäß den Fig. 3 und 4 sind jedoch mehrere Winkelnuten vorgesehen, um für Schubkästen unterschiedlicher Höhe gleiche Blockierschienen 22 verwenden zu können. In den Teilausschnitten werden nur die oberen und unteren Winkelnuten 21 benutzt, wie noch erläutert wird.A driving pin 19 is attached to the rotary slide valve 12 on the side facing the side wall 10 of the furniture body, the central longitudinal axis of which is aligned with the central longitudinal axis of the hanging pin 13 for the tension spring 14. These central longitudinal axes form the axis of rotation of the rotary slide 12. The driving pin 19 penetrates a horizontal guide groove 20 provided in the molded body 15. The length of the driving pin 19 is so large that the free end face passes through the guide groove 20 and engages in an angular groove 21 of a blocking rail 22. Fig. 6 shows that the locking rail 22 is guided in a guide channel 23. The length of the guide groove 20 and the width of the blocking rail 22 are essentially the same. The guide groove 20 opens into the guide channel 23. The blocking rail has at least as many angular grooves 21 as the furniture contains drawers 11. 3 and 4, however, several angular grooves are provided in order to be able to use the same blocking rails 22 for drawers of different heights. In the partial sections, only the upper and lower angular grooves 21 are used, as will be explained.

An der der Seitenwand 10 abgewandt liegenden Seite weist der Drehschieber 12 einen versetzt zu seiner Drehachse liegenden Anschlagnocken 25 und einen Federsteg 26 auf, der unter einem spitzen Winkel zur Bewegungsebene des Drehschiebers 12 steht. In der in der Fig. 1 dargestellten Schließstellung des Schubkastens 11 liegt der Federsteg 26 auf gleicher Höhe wie der Anschlagnocken 25. Der Abstand zwischen den einander zugewandt liegenden Flächen des Anschlagnockens 25 und des Federsteges 26 ist so groß, daß der Schaltnocken 16 in den dadurch begrenzten Raum eingreifen kann. Wird der Schubkasten 10 aus dem Möbel herausgefahren, bewegt sich der Schaltnocken 16 im Synchronlauf in Pfeilrichtung E. Dadurch wird der Drehschieber in einer synchronen Linearbewegung unter gleichzeitiger Drehung nach den Darstellungen gemäß den Fig. 1 und 2 entgegen dem Uhrzeigersinn bewegt. In einer bestimmten Winkelstellung des Drehschiebers 12 fährt der Schaltnocken 16 aus den von dem Anschlagnocken 25 und dem Federsteg 16 begrenzten Raum heraus. In der Fig. 3 ist die Stellung der Mitnahmezapfen 19 von zwei übereinander angeordneten Schubkästen 11 in der Schließstellung dargestellt. Durch die Linearbewegung des Drehschiebers 12 durch das Ausfahren des oberen Schubkastens 11 hebt der Mitnahmezapfen 19 die Blockierschiene 22 an. Die Winkelnuten 21 bestehen aus einem vertikal verlaufenden Teilstück und einem dazu unter einem spitzen stehenden Schrägteil. Das vertikale Teilstück liegt nahe der der Frontseite des Möbels abgewandt liegenden Längsseite. Das schrägstehende Teilstück erstreckt sich im wesentlich über die gesamte Breite der Blockierschiene 22. Befinden sich alle Schubkästen 11 in der Schließstellung, liegen alle Mitnahmezapfen 19 des Drehschiebers 12 im Scheitelpunkt der beiden Teilstücke. Wird ein, im dargestellten Ausführungsbeispiel der obere Schubkasten 11 ausgezogen, wird im vorliegenden Ausführungsbeispiel die Blockierschiene 22 nach oben bewegt. Dadurch gelangen die Mitnahmezapfen 19 der restlichen Drehschieber 12 in den vertikalen Teil der Winkelnuten 21. Aus der Fig. 4 ergibt sich, daß die untere Schublade 11 dann nicht mehr aus der Schließstellung herausbewegt werden kann.On the side facing away from the side wall 10, the rotary slide valve 12 has a stop cam 25 which is offset from its axis of rotation and a spring bar 26 which is at an acute angle to the plane of movement of the rotary slide valve 12. In the closed position of the drawer 11 shown in Fig. 1, the spring bar 26 is at the same height as the stop cam 25. The distance between the mutually facing surfaces of the stop cam 25 and the spring bar 26 is so large that the switching cam 16 in the thereby limited space can intervene. The drawer 10 is removed from the furniture moved out, the switching cam 16 moves in synchronism in the direction of arrow E. As a result, the rotary valve is moved in a synchronous linear movement with simultaneous rotation according to the representations according to FIGS. 1 and 2 counterclockwise. In a certain angular position of the rotary valve 12, the switching cam 16 moves out of the space delimited by the stop cam 25 and the spring bar 16. In Fig. 3, the position of the driving pin 19 of two superposed drawers 11 is shown in the closed position. Due to the linear movement of the rotary valve 12 by the extension of the upper drawer 11, the driving pin 19 lifts the blocking rail 22. The angular grooves 21 consist of a vertically extending section and an inclined part standing thereon. The vertical section is close to the long side facing away from the front of the furniture. The sloping section extends essentially over the entire width of the blocking rail 22. If all the drawers 11 are in the closed position, all the driving pins 19 of the rotary slide 12 lie at the apex of the two sections. If, in the exemplary embodiment shown, the upper drawer 11 is pulled out, the blocking rail 22 is moved upward in the present exemplary embodiment. As a result, the driving pins 19 of the remaining rotary slide valves 12 reach the vertical part of the angular grooves 21. From FIG. 4 it can be seen that the lower drawer 11 can then no longer be moved out of the closed position.

Der Drehschieber 12 weist eine Führungsplatte 27 auf, an die der Anschlagnocken 25 und der Federsteg 26 angeformt sind. Die Führungsplatte 27 ist in zwei vertikal übereinanderliegenden Schlitzen des Formkörpers 15 geführt. In der Grundkontur ist die Führungsplatte 27 kreisrund, damit eine Drehung möglich ist. Damit sie jedoch in den Schlitzen besser geführt ist, hat sie an der der Frontseite des Möbels zugewandt liegenden Seite zwei im rechten Winkel zueinander stehende Führungsflächen. An der Führungsplatte 27 ist noch ein weiterer Rast- und Führungswinkel 28 angeformt, der eine parallel zur unteren Führungsfläche der Führungsplatte 27 stehende Gleitfläche aufweist. Dadurch wird der Drehschieber 12 während der Linearbewegung einwandfrei geführt. Die die Schlitze für die Führungsplatte 27 begrenzenden äußeren Stege sind in dem der Frontseite des Möbels zugewandt liegenden Bereich kreisbogenförmig gestaltet, wobei der Mittelpunkt mit der Mittellängsachse des Mitnahmezapfens 19 des Drehschiebers 12 zusammenfällt, bezogen auf die in der Fig. 2 dargestellte Stellung des Drehschiebers 12 bei ausgezogenem Schubkasten 11. Die Kreisbögen wirken mit den Anschlagnocken 25 und dem Rast- und Führungswinkel 28 so zusammen, daß der Drehschieber 12 in der in der Fig. 2 dargestellten Stellung solange verbleibt, bis der Schaltnocken 16 gegen die äußere Fläche des Anschlagnockens 25 stößt.The rotary valve 12 has a guide plate 27, on which the stop cam 25 and the spring bar 26 are molded. The guide plate 27 is guided in two vertically superimposed slots of the molded body 15. In the basic contour, the guide plate 27 is circular so that rotation is possible. However, so that it is better guided in the slots, it has two guide surfaces at right angles to one another on the side facing the front of the furniture. A further detent and guide bracket 28 is formed on the guide plate 27 and has a sliding surface that is parallel to the lower guide surface of the guide plate 27. This will make the rotary valve 12 guided perfectly during the linear movement. The outer webs delimiting the slots for the guide plate 27 are designed in the form of a circular arc in the area facing the front of the piece of furniture, the center coinciding with the central longitudinal axis of the driving pin 19 of the rotary slide 12, based on the position of the rotary slide 12 shown in FIG. 2 with the drawer 11 pulled out. The arcs interact with the stop cams 25 and the detent and guide bracket 28 so that the rotary slide 12 remains in the position shown in FIG. 2 until the switch cam 16 abuts the outer surface of the stop cam 25 .

Wie besonders aus den Fig. 1 bis 4 erkennbar, ist der Formkörper 15 T-förmig ausgebildet. Aus den Fig. 5 und 6 ist erkennbar, daß der aus zwei Teilen 29,30 mit im wesentlichen gleicher Grundkontur zusammengesetzt ist. Dadurch wird eine einfachere Montage erreicht. Jedes Teil 29,30 weist jeweils eine Nut 31,32 auf, die im zusammengefügten Zustand den Führungskanal 23 für die Blockierschiene 22 bilden. Die Teile sind an der der Front des Möbels abgewandt liegenden Seite über ein Filmscharnier 33 miteinander verbunden, so daß nach dem Einsetzen des Drehschiebers 12 und der Zugfeder 14 die Teile 29,30 zum Anschrauben an die Seitenwand 10 zusammengeklappt werden können. Durch die scharnierartige Ausbildung kann niemals ein Teil 29 bzw. 30 verlorengehen.As can be seen particularly from FIGS. 1 to 4, the molded body 15 is T-shaped. 5 and 6 that it is composed of two parts 29, 30 with essentially the same basic contour. This makes assembly easier. Each part 29, 30 has a groove 31, 32, which in the assembled state form the guide channel 23 for the blocking rail 22. The parts are connected to each other on the side facing away from the front of the furniture via a film hinge 33, so that after the insertion of the rotary slide 12 and the tension spring 14, the parts 29, 30 can be folded together for screwing onto the side wall 10. Due to the hinge-like design, a part 29 or 30 can never be lost.

Außer der Zugfeder 14 und der Blockierschiene 22 sind alle Teile aus Kunststoff im Spritzgußverfahren hergestellt. Außer einer wirtschaftlichen Fertigung ist besonders die Funktion des Drehschiebers 12 sichergestellt, da die form- und materialfederndenEigenschaften eines Kunststoffes ausgenutzt werden können.Except for the tension spring 14 and the blocking rail 22, all parts are made of plastic by injection molding. In addition to economical production, the function of the rotary valve 12 is particularly ensured, since the shape and material spring properties of a plastic can be exploited.

Die Winkelnuten 21 sind im dargestellten Ausführungsbeispiel als Durchbrechungen ausgebildet.The angular grooves 21 are formed as openings in the illustrated embodiment.

Claims (10)

  1. A fitment for an article of furniture having a plurality of drawers arranged one above the other, comprising a spring-loaded rotary thrust member (12) which is associated with each drawer (11) and which is movable by a control projection (16) which follows the movement of the drawer (11) and is arranged in displaced relationship in respect of height relative to the axis of rotation of the rotary thrust member (12), characterised in that provided between a side wall (10) of the body of the article of furniture and the side wall of the drawer (11) is a locking bar (22) rich extends substantially over the entire height of all drawers (11) and which is movable in a vertical direction and which has a number of angular grooves (21) each formed from an inclinedly extending portion and a vertically extending portion, the number of grooves corresponding to the number of drawers (11), that engaging into each angular groove (21) is an entrainment pin (19) formed on the associated rotary thrust member (12), that the rotary thrust member (12) is rotatable about the longitudinal centre line of the entrainment pin (19) and is so displaceable in the direction of movement of the associated drawer (11) that in the closed position of all drawers (11) the entrainment pins (19) of all rotary thrust members (12) are at the apex points of the angular grooves (21) so that when a drawer (11) is extended the locking bar (22) is moved in a vertical direction by the entrainment pin (19) of the rotary thrust member (12), which pin moves within the inclined portion of the angular groove (21), whereby the entrainment pins (19) of the other rotary thrust members (12) engage into the vertical portions of the angular grooves (21) and lock the drawers (11).
  2. A fitment according to claim 1 characterised in that each rotary thrust member (12), at the side which is towards the side wall of the drawer (11), has a stop projection (25) and an inclinedly arranged spring leg (26) at a spacing therefrom, wherein the spring leg (26) is towards the front side of the drawer (11), and that in the closed position of the drawer (11) the control projection (16) is in the intermediate space defined by the stop projection (25) and the spring leg.
  3. A fitment according to claim 2 characterised in that the stop projection (25) is in the form of a detent projection which arrests the rotary thrust member (12) when the drawer (11) is in the extended position.
  4. A fitment according to claim 1 characterised in that each rotary thrust member (12) is arranged in a shaped body (15) which can be fixed to the body of the article of furniture and that said shaped body (15) has a guide passage (23) for the locking bar (22).
  5. A fitment according to claim 1 characterised in that the rotary thrust member (12) has a guide plate (27) which has at least one guide surface, that formed on the guide plate (27) at the side which is towards the side wall of the drawer (11) is a further angular detent and guide portion (28) and an attachment projection (13) for a tension spring (14), which attachment projection is aligned with the entrainment pin (19), and that the guide plate (27) is guided in two guide slots rich are arranged vertically one above the other and which are provided in the shaped body (15).
  6. A fitment according to claim 5 characterised in that the outer limbs defining the guide slots, at the regions which are towards the front side of the drawer (11), have arcuate portions which, co-operating with the angular detent and guide portion (28) and the stop projection (25), arrest the rotary thrust member (12) when the drawer (11) is extended.
  7. A fitment according to claim 1 characterised in that the vertical portion of each angular groove (21) in the locking bar (22) is provided in the edge region which is remote from the front side of the article of furniture, and that the inclinedly extending portion extends substantially over the entire width of the locking bar (22).
  8. A fitment according to claim 7 characterised in that the portions forming the angular groove (21) are at an angle of about 45° relative to each other.
  9. A fitment according to claim 4 characterised in that the shaped body (15) is of a T-shaped configuration in its basic contour, and is formed from two portions (29, 30) which bear against each other in coincident relationship, that each portion has a groove (31, 32), which grooves form the guide passage (23) for the locking bar (22), and that the portions (29, 30) are connected together by means of a film hinge (33) at the side which is remote from the front side of the drawer (11).
  10. A fitment according to claim 1 characterised in that the control projection (16) is fixed to the side wall of the drawer (11) by means of an angular fixing member (18).
EP89906705A 1988-07-05 1989-06-13 Brace for a piece of furniture having several superimposed drawers Expired - Lifetime EP0377703B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT89906705T ATE92574T1 (en) 1988-07-05 1989-06-13 FITTING FOR A FURNITURE WITH SEVERAL DRAWERS ARRANGED ON TOP OF ANOTHER.
EP92114955A EP0529679B1 (en) 1988-07-05 1989-06-13 Closing device for a drawer sliding in furniture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3822678 1988-07-05
DE3822678A DE3822678A1 (en) 1988-07-05 1988-07-05 FITTING FOR MULTIPLE DRAWERS WITH FURNITURE

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP92114955.5 Division-Into 1992-09-02

Publications (2)

Publication Number Publication Date
EP0377703A1 EP0377703A1 (en) 1990-07-18
EP0377703B1 true EP0377703B1 (en) 1993-08-04

Family

ID=6357970

Family Applications (2)

Application Number Title Priority Date Filing Date
EP89906705A Expired - Lifetime EP0377703B1 (en) 1988-07-05 1989-06-13 Brace for a piece of furniture having several superimposed drawers
EP92114955A Revoked EP0529679B1 (en) 1988-07-05 1989-06-13 Closing device for a drawer sliding in furniture

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP92114955A Revoked EP0529679B1 (en) 1988-07-05 1989-06-13 Closing device for a drawer sliding in furniture

Country Status (12)

Country Link
US (1) US5040858A (en)
EP (2) EP0377703B1 (en)
JP (1) JP2664092B2 (en)
AT (1) ATE117044T1 (en)
AU (1) AU613212B2 (en)
CA (1) CA1323652C (en)
DE (3) DE3822678A1 (en)
DK (1) DK170308B1 (en)
ES (1) ES2013949A6 (en)
FI (1) FI88533C (en)
RU (1) RU1800960C (en)
WO (1) WO1990000661A1 (en)

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Also Published As

Publication number Publication date
US5040858A (en) 1991-08-20
EP0529679A1 (en) 1993-03-03
AU3754189A (en) 1990-02-05
EP0377703A1 (en) 1990-07-18
DK170308B1 (en) 1995-07-31
DK50790D0 (en) 1990-02-27
ES2013949A6 (en) 1990-06-01
JPH03500313A (en) 1991-01-24
CA1323652C (en) 1993-10-26
ATE117044T1 (en) 1995-01-15
DE58908888D1 (en) 1995-02-23
FI88533C (en) 1993-05-25
DE3822678A1 (en) 1990-01-11
DK50790A (en) 1990-02-27
EP0529679B1 (en) 1995-01-11
AU613212B2 (en) 1991-07-25
JP2664092B2 (en) 1997-10-15
FI901097A0 (en) 1990-03-02
DE58905164D1 (en) 1993-09-09
FI88533B (en) 1993-02-15
RU1800960C (en) 1993-03-07
WO1990000661A1 (en) 1990-01-25

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EP0672811A1 (en) Locking device against wrong operation of an actuating linkage of a window, a door or the like

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