EP0580075A1 - Automatic telescopic device for drawer runners - Google Patents

Automatic telescopic device for drawer runners Download PDF

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Publication number
EP0580075A1
EP0580075A1 EP93111335A EP93111335A EP0580075A1 EP 0580075 A1 EP0580075 A1 EP 0580075A1 EP 93111335 A EP93111335 A EP 93111335A EP 93111335 A EP93111335 A EP 93111335A EP 0580075 A1 EP0580075 A1 EP 0580075A1
Authority
EP
European Patent Office
Prior art keywords
drawer
projection
component
housing
pivotable component
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
EP93111335A
Other languages
German (de)
French (fr)
Other versions
EP0580075B1 (en
Inventor
Gerhard Lautenschläger
Horst Berger
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.)
Mepla Werke Lautenschlaeger GmbH and Co KG
Original Assignee
Mepla Werke Lautenschlaeger 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 Mepla Werke Lautenschlaeger GmbH and Co KG filed Critical Mepla Werke Lautenschlaeger GmbH and Co KG
Publication of EP0580075A1 publication Critical patent/EP0580075A1/en
Application granted granted Critical
Publication of EP0580075B1 publication Critical patent/EP0580075B1/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
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0032—Balls
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0032—Balls
    • A47B2210/0035—Balls cages therefor, e.g. for telescopic slides
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0037—Rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0037—Rollers
    • A47B2210/004—Rollers cages therefor, e.g. for telescopic slides
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0051—Guide position
    • A47B2210/0056—Guide located at the bottom of the drawer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/49—Toggle catches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0876—Double acting
    • Y10T292/0877—Sliding and swinging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0876—Double acting
    • Y10T292/0883—Swinging

Definitions

  • the invention relates to an automatic retraction for drawer pull-out guides according to the preamble of claim 1.
  • Pull-out guides mounted on rolling elements have prevailed on a large scale because the stored furniture parts can be inserted and pulled out very easily, even with heavy weight loads. It is precisely this easy running of such pull-out guides that also has the disadvantage that an inserted drawer is opened very easily by mistake, for example when a piece of clothing stuck to a person walking past the cabinet.
  • the drawer guides have therefore recently been designed in such a way that they inevitably transfer the drawer held by them into the fully closed position when approaching the closed position and hold them there with a - albeit low - closing force.
  • this holder is brought about by the component which can be pivoted on the guide rail about an essentially vertical axis between two end positions and is bistably prestressed into the pivot end positions by a spring arrangement.
  • a spring arrangement With such automatic retraction, it is possible to set the swivel end position assigned to the drawer open position so that it is practically in or immediately before the dead center position, so that no or no noticeable additional closing pressure is required to close the dead center overcome. If, on the other hand, a certain pressure point is desired, this can also be achieved by appropriately relocating the swivel end position of the swivelable component assigned to the open position.
  • the generic automatic retraction can only be effective if the pivotable component is actually in the swivel end position assigned to the open position when the associated drawer is inserted.
  • the automatic feeder is obviously not functional and it is even conceivable that the drawer cannot then be pushed fully into the closed position because the projection assigned to the running rail then starts on the material of the pivotable component lying in front of the receptacle before the drawer is completely closed is.
  • this projection at least passes over the resilient latching lug, which then then springs open again and takes the swivelable component with it when the drawer is pulled back briefly into the swivel end position assigned to the open position. I.e. the automatic retraction is then functional again by this brief pulling back of the drawer, without the need for separate difficult manipulations.
  • the pivotable component is mounted in a separate flat elongate housing, which is preferably detachably attached to the horizontal profile leg of the guide rail.
  • Such a releasable fastening can be carried out, for example, by arranging the housing on the underside of the horizontal leg of the guide rail by means of pins inserted into bores in this profile leg and emerging from the housing, which then fix the housing on the guide rail either by riveting or by forming an elastic expansion pin.
  • the guide rail can also have a slot-like elongated recess in the transition area between its horizontal and the angled right-angled profile leg entering the running rail, into which the housing can be inserted in a suitable manner into the intended fastening position, the housing on the one hand inserting the insertion depth into the recess limiting stops and on the other hand at least two resilient tongues has whose spring-loaded free ends spring back when the housing is inserted into the guide rail recess in the intended fastening position behind the body-facing inner surface of the upturned profile leg and secure the housing against withdrawal from the recess.
  • the projection which interacts with the receptacle of the pivotable component can either be provided rigidly on the running rail itself or alternatively and preferably on a fastening fitting holding the front outer side of the running rail on the drawer on the drawer.
  • This fastening fitting and the projection can be designed as an integral plastic component, just as the housing receiving the pivotable component is expediently made of plastic.
  • the pivoting component depends on the length of the lever arm, which is given between the bearing axis of the pivotable component and the receptacle. It can be seen that the length of the lever arm depends essentially on the dimensions of the pull-out guides and cannot become very large, i.e. thus the effective feed path is limited.
  • An enlargement of the feed path is achieved in an advantageous development of the invention, which is characterized in that a link guide which interacts with the pivotable component is formed in the housing, which inevitably moves the pivotable component into the open position in the swivel end position assigned to the drawer open position Mouth of the receptacle leads into the position aligned with the protrusion and, when the protrusion moves into the receptacle during the closing movement after pivoting into the swivel end position assigned to the drawer closed position, an additional in Provides direction of the closing movement displacement path for the pivotable component, and that a spring is provided which exerts a biasing force directed towards the drawer closed position on the pivotable component.
  • the design is expediently such that at least one link groove is incorporated in the housing, which runs rectilinearly in the drawer displacement direction over the greater part of its length, but at its outer end merges into an arcuate end section guided to the associated body wall, and that on the pivotable one Component at a distance from each other two protruding into the link groove are formed, the position of which is chosen so that one is in the end position assigned to the open position of the drawer in the arcuate section of the link groove, while the second pin in the front end region of the rectilinear section of the link groove stands.
  • the point of application of the spring on the pivotable component is then selected such that the line of action of the spring tension runs between the two pins when the pivotable component is in the open position.
  • This spring is preferably an elongated helical spring engaging the pivotable component on the one hand and the housing on the other hand, the length of which is dimensioned such that it exerts a residual prestressing force on the pivotable component in the drawer closed position.
  • the helical spring is expediently arranged in an elongate recess in the housing which runs essentially parallel to the rectilinear section of the link groove.
  • Figure 1 shows a right-angled to the pulling direction through a pulling guide, designated in its entirety by 20, which shows the arrangement of the guide rail 22 on the associated body support wall 24 and the arrangement of the running rail 26 below the floor 28 and next to the inner surface of the floor downwardly projecting side wall 30 of the drawer 32 illustrated.
  • the guide rail 22 is folded in the usual manner from sheet metal and has a vertical profile leg 34 provided for attachment to the supporting wall 24, a horizontal profile leg 36 bent at right angles from this, engaging under the drawer, and again in turn bent upwards at right angles from this and from below into the Associated running rail 26 engaging profile leg 38, at the end ligating inside the running rail raceways for rolling elements held in a plastic cage 40, specifically a row of rollers 42 and two laterally spaced rows of balls 44 are formed.
  • Corresponding raceways are assigned to the rolling elements in the interior of the running rail 26, which is likewise formed from a sheet metal and has a hollow profile that is open on the underside.
  • the drawer 32 automatically pulls into the fully closed position when approaching the closed position closed automatic retraction 46 is only indicated by dash-dotted lines in FIG. 1, it being recognizable that this automatic retraction has a part 48 arranged below the running rail 26 in the region of the transition from the profile leg 38 to the profile leg 36 and a pin-like projection 50 protruding from the running rail in the downward direction which can either be attached directly to the running rail 26 or can also be part of a fitting holding the running rail on the drawer, as will be explained in more detail below in connection with FIGS. 13 and 15.
  • FIG. 2 shows a top view of a generic embodiment of the part 48 of the automatic feeder 46 associated with the guide rail shown only in dash-dotted lines in FIG. 1, the generic part being provided with corresponding deleted reference numerals in contrast to the exemplary embodiment of the invention described below. Specifically, this part 48 'arranged in place of part 48 in FIG.
  • a flat elongated housing 52' preferably injection molded from plastic
  • a flat component 54 ' which is between two pivoting End positions about an essentially vertical axis is pivotally mounted in the housing 52 '
  • a spring in the special case of a leg spring 56', which acts on the pivotable component 54 'with a spring leg in such a way that it is bistable in one of the two possible end positions are pushed and held in this end position.
  • the pivotable component 54 ' is counter to the acting spring force from the one, for example from the illustrated in FIG. 2, assigned to the drawer closed position, to the other, shown in dash-dotted lines in the drawing, assigned to the drawer open position pivotable.
  • the closing torque generated by the preload of the spring initially less and less until it disappears in a dead center position, and then becomes increasingly more effective again when it is pivoted again, but in the opposite direction of rotation.
  • the geometric assignment of the axis of rotation of the pivotable component, the support surface of the spring and its position is made here in such a way that the aforementioned dead center position is reached immediately before the end position assigned to the drawer open position, so that the pivotable component assigned to the pivot position in this open position End position holding moment is very low and no noticeable force must be exerted to overcome this opening torque when inserting a drawer.
  • the pin-like projection 50 is shown in dot-dash lines in FIG. 2 below the part 48 ', the arrow pointing at it indicating the direction in which it moves when the drawer is closed.
  • the pivotable component is then still in the swivel end position indicated by dash-dotted lines and assigned to the open position of the drawer. It can be seen that the pin-like projection 50 moves into the receptacle 64 'as it progresses in the direction of the arrow and displaces the pivotable component in the counterclockwise direction. After passing over the dead center, the aforementioned moment acting in the closing direction arises in the pivotable component 54 ′ and is transmitted to the pin-like projection 50. Since this projection is rigidly connected to the running rail 26, which in turn holds the associated drawer 32, the drawer is inevitably pulled into the fully closed position.
  • the pin-like projection 50 can only engage from the predetermined direction. If the projection 50 is once on the wrong side of the pivotable component 54 ', the pull-out guide is blocked.
  • FIGS. 3 to 8 show various details of an exemplary embodiment according to the invention, FIGS. 3 and 8 showing the complete part 48 associated with guide rails, FIGS. 4 and 5 the housing 52 and FIGS. 5 and 7 the pivotable component 54.
  • the housing 52 is relatively flat and elongated, so that in the position shown schematically in FIG. 1 it is inserted into a slot-like recess 58 in the profiled rail 22, which is described in more detail below in connection with FIGS. 9 to 11, and then in the intended functional position is definable.
  • the housing 52 and the recess 58 are therefore designed to match one another in such a way that the housing 52 can be pushed into contact with the wall sections of the profile leg 38 which laterally delimit in the cutout 58, for which purpose rib-like stops 60 are provided on the opposite sides of the housing.
  • resilient tongues 62 are formed on both sides, which are initially pressed together resiliently when the housing 52 is pushed into the recess, but spring open behind the body-facing inner surface of the profile leg 28 in the intended mounting position and then secure the housing against being pulled back out of the recess.
  • pivot axis of the pivotable component 54 The position of the pivot axis of the pivotable component 54 and its outer shape can be seen in the drawing, it being apparent that the pivot axis is formed as far as possible in the direction of the body-supporting wall 24 inside the housing, and that the pivotable component 54 in its opposite free End region has an open-ended slot-like receptacle 64, in which the previously mentioned pin-like projection 50 can engage and take the pivotable component with it.
  • the pivotable component 54 is mounted in the housing 52, in this case in such a way that an initial pivoting movement of the component 54 when it is triggered by the drawer 32 moved in the closing direction or the projection 50 moved with it, a straight pull-in movement in the insertion direction is then connected, as a result of which the effective pull-in path is significantly increased compared to the previously described exemplary embodiments.
  • the pivotable component 54 is not mounted on the housing 52 such that it can pivot about a fixed axis, but rather in a link guide, which consists of two pins 70, 72 projecting on both sides at a distance from one another from the component 54 and one link slot 74 in each, the component 54 is formed between receiving housing top walls.
  • the slotted groove (s) 74 is or are designed to be straight over most of their longitudinal extent, but merges at the front end into an arcuate section 74 'into which the pin 72 comes when the drawer is opened and then - the arcuate course of the section 74 is deflected accordingly, which results in the pivoting movement of the component 54, which enables the projection 50 associated with the running rail to emerge from the receptacle 64.
  • the component 54 is biased by an elongated coil spring 56 into the end position assigned to the drawer closed position, the end of the coil spring 56 in an opening 78 of the component 54 and the other end in the interior end region of a provided in the housing 52 and parallel to the rectilinear section of the Link groove 74 extending, the coil spring receiving recess 80 is held.
  • the point of application of the helical spring 56 on the pivotable component 54 is selected such that the line of action of the spring tension exerted on the component 54 in the open position of the component 54 extends between the two pins 70, 72, as a result of which the component is held in the open position for so long until, by the beginning of the pivoting movement when the projection 50 is inserted into the receptacle 64, the pin 70 is released from the arcuate section 74 'of the link groove 74 and into crosses the straight section. Then the spring can pull the component back into the interior of the body, which then also pulls the drawer into the fully closed position and holds it there.
  • the length of the feed path depends practically exclusively on the length of the straight part of the link groove 54.
  • An extension of the link groove naturally also leads to an extension of the housing 52, in which case the corresponding recess 58 in the guide rail 22 would also have to be extended accordingly.
  • the guide rail recess 58 is then dispensed with and the weakening of the guide rail to be feared is avoided.
  • a resilient latching lug 82 is now provided in front of the receptacle 64, which - as can be seen in FIG. 3 - is retracted into the interior of the housing in the front end position of the component 54 assigned to the drawer open position , but in the rear end position - shown only in broken lines in FIG. 3 - protrudes from the housing.
  • the automatic retraction would not only be ineffective, but the drawer could also not be fully inserted because the projection 50 would approach the material of the component 54 lying in front of the receptacle 64 before the drawer is completely closed.
  • the latching lug 82 makes it possible to catch the projection 50 and then, when the drawer is pulled back once, the pivotable one To transfer component 54 back to the front end position, whereupon the automatic feeder is fully functional again.
  • FIGS. 9 to 11 show the section of the guide rail 22 in which the slot-like recess 58 for receiving the part 48 (according to FIGS. 3 to 8) is provided. It can be seen that the portion 58a formed in the profile leg 38 in the recess 58 is somewhat wider than the portion 58b continuing in the profile leg 36, so that the profile leg 36 - in the direction of view of the flat side of the profile leg 38 - forms laterally protruding strip-like areas, which In the narrow end faces of the housing 52 of the part 48, horizontally extending grooves 59 with a suitable cross-section can be assigned, as shown in the housing of the exemplary embodiment described in connection with FIGS. 3 to 8.
  • FIGS. 12 to 14 show a fastening fitting 90 for the front end of the running rail 26, which is known per se and is therefore not described in more detail.
  • this fitting 90 it should only be mentioned that a projection 94 is provided on a lever arm of a mounting arm 92 designed as a double-armed lever, which projection can be snapped into a corresponding receiving opening in the facing side surface of the running rail 26. By pressing the other lever arm of the holding arm 92, the running rail can be released.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)

Abstract

The automatic telescopic device for drawer runners, with guiding and running rails which are displaceable relative to one another via rolling bodies, has a component (54) which is pivotable on the guiding rail between two end positions, is prestressed by a spring arrangement (56) bistably into the pivoted end positions and has an open-mouthed receptacle (64) for a projection (50) which protrudes downwards from the running rail. The projection (50) and the pivotable component (54) are arranged relative to one another such that the projection (50) runs into the receptacle (64) on closing the drawer and in the process, after crossing of the dead centre of the pivotable component, is carried along by the latter resiliently into the drawer closed position. In the pushing-in direction directly in front of the receptacle, there is provided a catch nose (82) which can be run over by the projection (50) by resilient deformation and is designed to carry along the component (54) into the correct position corresponding to the drawer position, to avoid blocking if the component (54) is in the wrong position. <IMAGE>

Description

Die Erfindung betrifft eine Einzugsautomatik für Schubladen-Ausziehführungen nach dem Oberbegriff des Anspruchs 1.The invention relates to an automatic retraction for drawer pull-out guides according to the preamble of claim 1.

Wälzkörper-gelagerte Ausziehführungen haben sich in großem Umfang durchgesetzt, weil die gelagerten Möbelteile auch bei schwerer Gewichtsbelastung sehr leichtgängig eingeschoben und ausgezogen werden können. Gerade dieser leichte Lauf solcher Ausziehführungen hat aber auch den Nachteil, daß eine eingeschobene Schublade sehr leicht versehentlich - beispielsweise beim Hängenbleiben eines Kleidungsstücks einer am Schrank vorbeigehenden Person - wieder etwas geöffnet wird.Pull-out guides mounted on rolling elements have prevailed on a large scale because the stored furniture parts can be inserted and pulled out very easily, even with heavy weight loads. It is precisely this easy running of such pull-out guides that also has the disadvantage that an inserted drawer is opened very easily by mistake, for example when a piece of clothing stuck to a person walking past the cabinet.

Die Schubladenführungen sind daher in neuerer Zeit bereits so ausgebildet worden, daß sie die von ihr gehalterte Schublade bei Annäherung an die Schließstellung zwangsläufig in die ganz geschlossene Stellung überführen und dort mit einer - wenn auch geringen - Schließkraft halten.The drawer guides have therefore recently been designed in such a way that they inevitably transfer the drawer held by them into the fully closed position when approaching the closed position and hold them there with a - albeit low - closing force.

Diese Halterung wird bei einer Schubladen-Ausziehführung der eingangs genannten Art durch das an der Führungsschiene um eine im wesentlichen senkrechte Achse zwischen zwei Endlagen verschwenkbare und durch eine Federanordnung bistabil in die Schwenk-Endlagen vorgespannte Bauteil bewirkt. Bei einer solchen Einzugsautomatik ist es möglich, die der Schubladen-Öffnungsstellung zugeordnete Schwenk-Endstellung so zu legen, daß sie praktisch in bzw. unmittelbar vor der Totpunktstellung liegt, so daß also kein oder doch kein merklicher zusätzlicher Schließdruck erforderlich ist, um den Totpunkt zu überwinden. Wenn andererseits ein gewisser Druckpunkt erwünscht ist, ist dies durch eine entsprechende Verlegung der der Öffnungsstellung zugeordneten Schwenk-Endstellung des verschwenkbaren Bauteils ebenfalls verwirklichbar.In a drawer pull-out guide of the type mentioned at the outset, this holder is brought about by the component which can be pivoted on the guide rail about an essentially vertical axis between two end positions and is bistably prestressed into the pivot end positions by a spring arrangement. With such automatic retraction, it is possible to set the swivel end position assigned to the drawer open position so that it is practically in or immediately before the dead center position, so that no or no noticeable additional closing pressure is required to close the dead center overcome. If, on the other hand, a certain pressure point is desired, this can also be achieved by appropriately relocating the swivel end position of the swivelable component assigned to the open position.

Die gattungsgemäße Einzugsautomatik kann jedoch nur dann wirksam werden, wenn sich der verschwenkbare Bauteil beim Einschieben der zugeordneten Schublade auch tatsächlich in der der Öffnungsstellung zugeordneten Schwenk-Endlage befindet. Nun ist aber nicht auszuschließen, daß - z.B. durch unachtsame Montage der Führungsschiene - der verschwenkbare Bauteil sich in der der Schließstellung zugeordneten Schwenk-Endlage befindet. Dann ist die Einzugsautomatik ersichtlich nicht funktionsfähig und es ist sogar denkbar, daß die Schublade dann nicht ganz in die Schließstellung geschoben werden kann, weil der der Laufschiene zugeordnete Vorsprung dann an dem vor der Aufnahme liegenden Material des verschwenkbaren Bauteils anfährt, bevor die Schublade ganz geschlossen ist.However, the generic automatic retraction can only be effective if the pivotable component is actually in the swivel end position assigned to the open position when the associated drawer is inserted. However, it cannot be ruled out that - e.g. due to careless installation of the guide rail - the swiveling component is in the swivel end position assigned to the closed position. Then the automatic feeder is obviously not functional and it is even conceivable that the drawer cannot then be pushed fully into the closed position because the projection assigned to the running rail then starts on the material of the pivotable component lying in front of the receptacle before the drawer is completely closed is.

Es ist daher Aufgabe der vorliegenden Erfindung, die gattungsgemäße Einzugsautomatik so auszubilden, daß das verschwenkbare Bauteil für den Fall, daß es sich nicht in seiner, der jeweiligen Schubladenstellung zugeordneten Schwenk-Endlage befindet, bei Benutzung der Schublade stets selbsttätig in seine funktionsgerechte Stellung zurückkehrt. Diese Aufgabe wird bei einer Einzugsautomatik der eingangs genannten Art erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.It is therefore an object of the present invention to design the generic automatic feed so that the pivotable component in the event that it is not in its swivel end position assigned to the respective drawer position always automatically returns to its functional position when the drawer is in use. This object is achieved according to the invention in an automatic feeder of the type mentioned at the outset by the characterizing features of claim 1.

Wenn sich bei der so ausgestalteten Einzugsautomatik der verschwenkbare Bauteil als in der der Schließstellung zugeordneten Endlage befindet, bevor der der Laufschiene Zugeordnete Vorsprung in die Aufnahme des schwenkbaren Bauteils eingetreten ist, tritt dieser Vorsprung zumindest über die federnde Rastnase hinweg, welche also dann wieder auffedert und den verschwenkbaren Bauteil bei einem kurzen Zurückziehen der Schublade in die der Öffnungsstellung zugeordnete Schwenk-Endlage mitnimmt. D.h. die Einzugsautomatik ist dann durch dieses kurze Zurückziehen der Schublade wieder funktionsfähig, ohne daß gesonderte schwierige Manipulationen nötig wären.If, in the automatic retraction mechanism configured in this way, the pivotable component is in the end position assigned to the closed position before the projection assigned to the running rail has entered the receptacle of the pivotable component, this projection at least passes over the resilient latching lug, which then then springs open again and takes the swivelable component with it when the drawer is pulled back briefly into the swivel end position assigned to the open position. I.e. the automatic retraction is then functional again by this brief pulling back of the drawer, without the need for separate difficult manipulations.

Der verschwenkbare Bauteil ist in einem gesonderten flachen langgestreckten Gehäuse gelagert, welches am horizontalen Profilschenkel der Führungsschiene vorzugsweise lösbar befestigt ist.The pivotable component is mounted in a separate flat elongate housing, which is preferably detachably attached to the horizontal profile leg of the guide rail.

Eine solche lösbare Befestigung kann beispielsweise durch Anordnung des Gehäuses an der Unterseite des horizontalen Schenkels der Führungsschiene mittels in Bohrungen in diesem Profilschenkel eingeführter, vom Gehäuse vortretender Zapfen erfolgen, die dann entweder durch Vernietung oder durch Ausbildung eines elastischen Spreizzapfens das Gehäuse an der Führungsschiene festlegen. Alternativ und bevorzugt kann die Führungsschiene auch im Übergangsbereich zwischen ihrem horizontalen und dem hiervon rechtwinklig abgewinkelten, in die Laufschiene eintretenden Profilschenkel eine schlitzartige langgestreckte Aussparung aufweisen, in welche das Gehäuse passend in die bestimmungsgemäße Befestigungsstellung einführbar ist, wobei das Gehäuse einerseits die Einschubtiefe in die Aussparung begrenzende Anschläge und andererseits wenigstens zwei federnde Zungen aufweist, deren beim Einführen des Gehäuses in die Führungsschienen-Aussparung federnd zurückdrängbare freie Enden in der bestimmungsgemäßen Befestigungsstellung hinter die korpuszugewandte Innenfläche des hochgekanteten Profilschenkels auffedern und das Gehäuse gegen Zurückziehen aus der Aussparung sichern.Such a releasable fastening can be carried out, for example, by arranging the housing on the underside of the horizontal leg of the guide rail by means of pins inserted into bores in this profile leg and emerging from the housing, which then fix the housing on the guide rail either by riveting or by forming an elastic expansion pin. Alternatively and preferably, the guide rail can also have a slot-like elongated recess in the transition area between its horizontal and the angled right-angled profile leg entering the running rail, into which the housing can be inserted in a suitable manner into the intended fastening position, the housing on the one hand inserting the insertion depth into the recess limiting stops and on the other hand at least two resilient tongues has whose spring-loaded free ends spring back when the housing is inserted into the guide rail recess in the intended fastening position behind the body-facing inner surface of the upturned profile leg and secure the housing against withdrawal from the recess.

Der mit der Aufnahme des verschwenkbaren Bauteils zusammenwirkende Vorsprung kann entweder starr an der Laufschiene selbst oder alternativ und bevorzugt an einem das korpusäußere Vorderende der Laufschiene frontblendenseitig an der Schublade halternde Befestigungsbeschlag vorgesehen sein. Dieser Befestigungsbeschlag und der Vorsprung könmnen als integrales Kunststoff-Bauelement ausgebildet sein, wie auch das den verschwenkbaren Bauteil aufnehmende Gehäuse zweckmäßig aus Kunststoff hergestellt wird.The projection which interacts with the receptacle of the pivotable component can either be provided rigidly on the running rail itself or alternatively and preferably on a fastening fitting holding the front outer side of the running rail on the drawer on the drawer. This fastening fitting and the projection can be designed as an integral plastic component, just as the housing receiving the pivotable component is expediently made of plastic.

Die Größe des Einzugsweges ist bei einem ausschließlich verschwenkbaren Gehäuse gelagerten verschwenkbaren Bauteil von der Länge des Hebelarms abhängig, der zwischen der Lagerachse des verschwenkbaren Bauteils und der Aufnahme gegeben ist. Es ist ersichtlich, daß die Länge des Hebelarms wesentlich von den Abmessungen der Ausziehführungen abhängig ist und nicht sehr groß werden kann, d.h. somit auch der wirksame Einzugsweg beschränkt ist.In the case of an exclusively pivotable housing, the pivoting component depends on the length of the lever arm, which is given between the bearing axis of the pivotable component and the receptacle. It can be seen that the length of the lever arm depends essentially on the dimensions of the pull-out guides and cannot become very large, i.e. thus the effective feed path is limited.

Eine Vergrößerung des Einzugsweges wird bei einer vorteilhaften Weiterbildung der Erfindung erreicht, welche sich dadurch auszeichnet, daß im Gehäuse eine mit dem verschwenkbaren Bauteil zusammenwirkende Kulissenführung ausgebildet ist, welche den verschwenkbaren Bauteil in der der Schubladen-Öffnungsstellung zugeordneten Schwenk-Endlage zwangsläufig in die die offene Mündung der Aufnahme in die mit dem Vorsprung ausgerichtete Stellung führt und beim Einfahren des Vorsprungs in die Aufnahme bei der Schließbewegung nach Verschwenkung in die der Schubladen-Schließstellung zugeordnete Schwenk-Endlage einen zusätzlichen, in Richtung der Schließbewegung verlaufenden Verschiebungsweg für den verschwenkbaren Bauteil zur Verfügung stellt, und daß eine Feder vorgesehen ist, welche auf den verschwenkbaren Bauteil eine in Richtung der Schubladen-Schließstellung gerichtete Vorspannkraft ausübt.An enlargement of the feed path is achieved in an advantageous development of the invention, which is characterized in that a link guide which interacts with the pivotable component is formed in the housing, which inevitably moves the pivotable component into the open position in the swivel end position assigned to the drawer open position Mouth of the receptacle leads into the position aligned with the protrusion and, when the protrusion moves into the receptacle during the closing movement after pivoting into the swivel end position assigned to the drawer closed position, an additional in Provides direction of the closing movement displacement path for the pivotable component, and that a spring is provided which exerts a biasing force directed towards the drawer closed position on the pivotable component.

Dabei ist die Ausgestaltung zweckmäßig so getroffen, daß im Gehäuse wenigstens eine Kulissennut eingearbeitet ist, welche über den größeren Teil ihrer Länge geradlinig in Schubladen-Verschiebungsrichtung verläuft, an ihrem korpusäußeren Ende jedoch in einen zur zugeordneten Korpuswand geführten bogenförmigen Endabschnitt übergeht, und daß am verschwenkbaren Bauteil mit Abstand voneinander zwei in die Kulissennut vortretende Zapfen ausgebildet sind, deren Lage so gewählt ist, daß der eine in der der Öffnungsstellung der Schublade zugeordneten Endlage im bogenförmigen Abschnitt der Kulissennut steht, während der zweite Zapfen im vorderen Endbereich des geradlinig verlaufenden Abschnitts der Kulissennut steht.The design is expediently such that at least one link groove is incorporated in the housing, which runs rectilinearly in the drawer displacement direction over the greater part of its length, but at its outer end merges into an arcuate end section guided to the associated body wall, and that on the pivotable one Component at a distance from each other two protruding into the link groove are formed, the position of which is chosen so that one is in the end position assigned to the open position of the drawer in the arcuate section of the link groove, while the second pin in the front end region of the rectilinear section of the link groove stands.

Der Angriffspunkt der Feder am verschwenkbaren Bauteil wird dann so gewählt, daß die Wirkungslinie der Federspannung bei in der Öffnungsstellung befindlichem verschwenkbaren Bauteil zwischen den beiden Zapfen hindurch verläuft.The point of application of the spring on the pivotable component is then selected such that the line of action of the spring tension runs between the two pins when the pivotable component is in the open position.

Diese Feder ist vorzugsweise eine am verschwenkbaren Bauteil einerseits und am Gehäuse andererseits angreifende langgestreckte Schraubenfeder, deren Länge so bemessen ist, daß sie in der Schubladen-Schließstellung eine Rest-Vorspannkraft auf den verschwenkbaren Bauteil ausübt.This spring is preferably an elongated helical spring engaging the pivotable component on the one hand and the housing on the other hand, the length of which is dimensioned such that it exerts a residual prestressing force on the pivotable component in the drawer closed position.

Zweckmäßig ist die Schraubenfeder in einer im wesentlichen parallel zum geradlinig verlaufenden Abschnitt der Kulissennut verlaufenden langgestreckten Ausnehmung des Gehäuses angeordnet.The helical spring is expediently arranged in an elongate recess in the housing which runs essentially parallel to the rectilinear section of the link groove.

Die Erfindung ist in der folgenden Beschreibung mehrerer Ausführungsbeispiele in Verbindung mit der Zeichnung näher erläutert, und zwar zeigt:

Fig. 1
eine Schnittansicht durch eine Ausziehführung der hier in Frage stehenden Art in einer quer zur Ausziehrichtung verlaufenden Schnittebene, wobei ein Abschnitt der die Führungsschiene halternden Korpuswand und der auf der Laufschiene aufgelagerten Schublade - ebenfalls im Schnitt - zusätzlich dargestellt sind;
Fig. 2
eine Draufsicht auf ein Beispiel des an der Führungsschiene anzubringenden Teils einer Einzugsautomatik der hier in Frage stehenden Art;
Fig. 3
eine Draufsicht auf den führungsschienenzugeordneten Teil eines Ausführungsbeispiels der erfindungsgemäßen Einzugsautomatik;
Fig. 4
eine in Richtung des Pfeils 4 in Fig. 3 gesehene Ansicht des Gehäuses des führungsschienenzugeordneten Teils;
Fig. 5
eine Ansicht des Gehäuses, gesehen in Richtung des Pfeils 5 in Fig. 3;
Fig. 6
eine Draufsicht auf den im Gehäuse gemäß den Figuren 3 bis 5 angeordneten verschwenkbaren Bauteil;
Fig. 7
eine Ansicht des verschwenkbaren Bauteils, gesehen in Richtung des Pfeils 7 in Fig. 6;
Fig. 8
eine Ansicht des führungsschienenzugeordneten Teils, gesehen in Richtung des Pfeils 8 in Fig. 3, wobei die zugehörige Führungs- und Laufschiene, der anschließende Teil der Korpuswand und der Schublade in einer der Fig. 1 entsprechenden Darstellung jedoch strichpunktiert zusätzlich dargestellt sind;
Fig.. 9
einen Teilabschnitt der Führungsschiene der in Fig. 1 gezeigten Ausziehführung im Bereich des Ausschnitts für den führungsschienenseitig anzubringenden Teil der Einzugsautomatik, und zwar gesehen in Richtung des Pfeils 9 in Fig. 1;
Fig. 10
eine Schnittansicht, gesehen in Richtung der Pfeile 10-10 in Fig. 9;
Fig. 11
eine Ansicht des Teilabschnitts der Führungsschiene, gesehen in Richtung des Pfeils 11 in Fig. 9;
Fig. 12
eine Unteransicht auf einen vorderen Eckbereich einer Schublade mit einem das frontblendenseitige Ende der Laufschiene lösbar halternden Befestigungsbeschlag, an welchem integral der mit dem führungsschienenzugeordneten Teil des Ausführungsbeispiels zusammenwirkende Vorsprung vorgesehen ist;
Fig. 13
eine Ansicht des Befestigungsbeschlags für das vordere Ende der Laufschiene, gesehen in Richtung des Pfeils 13 in Fig. 12;
Fig. 14
eine Ansicht des Befestigungsbeschlages für das Vorderende der Laufschiene, gesehen in Richtung des Pfeils 14 in Fig. 12.
The invention is explained in more detail in the following description of several exemplary embodiments in conjunction with the drawing, which shows:
Fig. 1
a sectional view through a pull-out guide of the type in question here in a cutting plane running transversely to the pull-out direction, a section of the body rail holding the guide rail and the drawer supported on the running rail also being shown in section;
Fig. 2
a plan view of an example of the part of an automatic feeder of the type in question to be attached to the guide rail;
Fig. 3
a plan view of the guide rail-associated part of an embodiment of the automatic feeder according to the invention;
Fig. 4
a view seen in the direction of arrow 4 in Figure 3 of the housing of the guide rail-associated part;
Fig. 5
a view of the housing, seen in the direction of arrow 5 in Fig. 3;
Fig. 6
a plan view of the pivotable component arranged in the housing according to Figures 3 to 5;
Fig. 7
a view of the pivotable member, seen in the direction of arrow 7 in Fig. 6;
Fig. 8
a view of the part associated with the guide rail, viewed in the direction of arrow 8 in FIG. 3, the associated guide and running rail, the adjoining part of the body wall and the drawer being additionally shown in dash-dot lines in a representation corresponding to FIG. 1;
Fig. 9
a portion of the guide rail of the pull-out guide shown in Figure 1 in the region of the cutout for the part of the automatic feeder to be attached on the guide rail side, as seen in the direction of arrow 9 in Fig. 1;
Fig. 10
a sectional view seen in the direction of arrows 10-10 in Fig. 9;
Fig. 11
a view of the portion of the guide rail, seen in the direction of arrow 11 in Fig. 9;
Fig. 12
a bottom view of a front corner region of a drawer with a mounting bracket detachably holding the front panel-side end of the running rail, on which the projection cooperating with the part associated with the guide rail is provided;
Fig. 13
a view of the mounting bracket for the front end of the rail, viewed in the direction of arrow 13 in Fig. 12;
Fig. 14
a view of the mounting bracket for the front end of the rail, viewed in the direction of arrow 14 in Fig. 12th

Figur 1 zeigt eine rechtwinklig zur Ausziehrichtung durch eine in ihrer Gesamtheit mit 20 bezeichnete Ausziehführung gelegte Schnittansicht, welche die Anordnung der Führungsschiene 22 an der zugehörigen Korpus-Tragwand 24 und die An ordnung der Laufschiene 26 unterhalb des Bodens 28 und neben der Innenfläche der den Boden nach unten überragenden Seitenwand 30 der Schublade 32 veranschaulicht. Die Führungsschiene 22 ist in üblicher Weise aus Blech gekantet und weist einen zur Befestigung an der Tragwand 24 vorgesehenen senkrechten Profilschenkel 34, einen rechtwinklig von diesem abgekanteten, die Schublade untergreifenden horizontalen Profilschenkel 36 und einen wiederum von diesem rechtwinklig nach oben umgekanteten und von unten in die zugehörige Laufschiene 26 eingreifenden Profilschenkel 38 auf, an dessen im Innern der Laufschiene ligendem Ende Laufbahnen für in einem Kunststoff-Käfig 40 gehalterten Wälzkörper, und zwar im speziellen Fall eine Reihe von Rollen 42 und zwei seitlich beabstandete Reihen von Kugeln 44 ausgebildet sind. Den Wälzkörpern sind entsprechende Laufbahnen im Innern der als ebenfalls aus Metallblech gekantetes, an der Unterseite offenes Hohlprofil ausgebildeten Laufschiene 26 zugeordnet.Figure 1 shows a right-angled to the pulling direction through a pulling guide, designated in its entirety by 20, which shows the arrangement of the guide rail 22 on the associated body support wall 24 and the arrangement of the running rail 26 below the floor 28 and next to the inner surface of the floor downwardly projecting side wall 30 of the drawer 32 illustrated. The guide rail 22 is folded in the usual manner from sheet metal and has a vertical profile leg 34 provided for attachment to the supporting wall 24, a horizontal profile leg 36 bent at right angles from this, engaging under the drawer, and again in turn bent upwards at right angles from this and from below into the Associated running rail 26 engaging profile leg 38, at the end ligating inside the running rail raceways for rolling elements held in a plastic cage 40, specifically a row of rollers 42 and two laterally spaced rows of balls 44 are formed. Corresponding raceways are assigned to the rolling elements in the interior of the running rail 26, which is likewise formed from a sheet metal and has a hollow profile that is open on the underside.

Die die Schublade 32 bei Annäherung an die Schließstellung selbsttätig in die ganz geschlossene Stellung ziehende und geschlossen haltende Einzugsautomatik 46 ist in Fig. 1 nur strichpunktiert angedeutet, wobei erkennbar ist, daß diese Einzugsautomatik eine unterhalb der Laufschiene 26 im Bereich des Übergangs des Profilschenkels 38 zum Profilschenkel 36 angeordneten Teil 48 und einen von der Laufschiene in Abwärtsrichtung vorstehenden stiftartigen Vorsprung 50 aufweist, der entweder direkt an der Laufschiene 26 befestigt oder auch Teil eines die Laufschiene an der Schublade halternden Beschlages sein kann, wie im folgenden in Verbindung mit den Figuren 13 und 15 noch näher erläutert wird.The drawer 32 automatically pulls into the fully closed position when approaching the closed position closed automatic retraction 46 is only indicated by dash-dotted lines in FIG. 1, it being recognizable that this automatic retraction has a part 48 arranged below the running rail 26 in the region of the transition from the profile leg 38 to the profile leg 36 and a pin-like projection 50 protruding from the running rail in the downward direction which can either be attached directly to the running rail 26 or can also be part of a fitting holding the running rail on the drawer, as will be explained in more detail below in connection with FIGS. 13 and 15.

Figur 2 zeigt zur besseren Veranschaulichung eine gattungsgemäße Ausfuhrungsform des in Figur 1 nur strichpunktiert dargestellten führungsschienenzugeordneten Teils 48 der Einzugsautomatik 46 in einer Draufsicht, wobei der gattungsgemäße Teil im Gegensatz zum nachfolgend beschriebenen Ausführungsbeispiel der Erfindung mit entsprechenden gestrichenen Bezugszeichen versehen ist. Und zwar setzt sich dieser, anstelle des Teils 48 in Figur 1 angeordnete Teil 48' aus im wesentlichen drei Einzelteilen zusammen, nämlich einem flachen langgestreckten, vorzugsweise aus Kunststoff gespritzten oben offenen Gehäuse 52', einem flachen Bauteil 54', der zwischen zwei Schwenk-Endlagen um eine im wesentlichen senkrecht verlaufende Achse schwenkbar im Gehäuse 52' gelagert ist, und einer Feder, und zwar im speziellen Fall einer Schenkelfeder 56', welche mit einem Federschenkel derart am verschwenkbaren Bauteil 54' angreift, daß dieser bistabil in jeweils einer der beiden möglichen Endlagen gedrängt und in dieser Endlage gehalten wird. Durch eine äußere Kraft ist der verschwenkbare Bauteil 54' entgegen der beaufschlagenden Federkraft von der einen, z.B. von der in Figur 2 dargestellte, der Schubladen-Schließstellung zugeordnete, in die andere, in der Zeichnung strichpunktiert dargestellten, der Schubladen-Öffnungsstellung zugeordneten Schwenk-Endlage verschwenkbar. Dabei wird das durch die Vorspannung der Feder erzeugte Schließmoment zunächst immer geringer, bis es in einer Totpunktstellung verschwindet, um dann bei weiterer Verschwenkung wieder - jedoch im entgegengesetzten Drehsinn - zunehmend stärker wirksam zu werden. Die geometrische Zuordnung der Drehachse des verschwenkbaren Bauteils, der Abstützfläche der Feder und deren Lage ist hier so getroffen, daß die erwähnte Totpunktstellung unmittelbar vor Erreichen der der SchubladenÖffnungsstellung zugeordneten Endlage erreicht wird, so daß also das den verschwenkbaren Bauteil in dieser der Öffnungsstellung zugeordneten Schwenk-Endlage haltende Moment sehr gering ist und beim Einschieben einer Schublade keine merkliche Kraft zur Überwindung dieses Öffnungsmoments ausgeübt werden muß.For better illustration, FIG. 2 shows a top view of a generic embodiment of the part 48 of the automatic feeder 46 associated with the guide rail shown only in dash-dotted lines in FIG. 1, the generic part being provided with corresponding deleted reference numerals in contrast to the exemplary embodiment of the invention described below. Specifically, this part 48 'arranged in place of part 48 in FIG. 1 is composed of essentially three individual parts, namely a flat elongated housing 52', preferably injection molded from plastic, a flat component 54 'which is between two pivoting End positions about an essentially vertical axis is pivotally mounted in the housing 52 ', and a spring, in the special case of a leg spring 56', which acts on the pivotable component 54 'with a spring leg in such a way that it is bistable in one of the two possible end positions are pushed and held in this end position. Due to an external force, the pivotable component 54 'is counter to the acting spring force from the one, for example from the illustrated in FIG. 2, assigned to the drawer closed position, to the other, shown in dash-dotted lines in the drawing, assigned to the drawer open position pivotable. The closing torque generated by the preload of the spring initially less and less until it disappears in a dead center position, and then becomes increasingly more effective again when it is pivoted again, but in the opposite direction of rotation. The geometric assignment of the axis of rotation of the pivotable component, the support surface of the spring and its position is made here in such a way that the aforementioned dead center position is reached immediately before the end position assigned to the drawer open position, so that the pivotable component assigned to the pivot position in this open position End position holding moment is very low and no noticeable force must be exerted to overcome this opening torque when inserting a drawer.

Der stiftartige Vorsprung 50 ist in Figur 2 unterhalb des Teils 48' strichpunktiert dargestellt, wobei durch den auf ihn weisenden Pfeil die Richtung angedeutet ist, mit welcher er sich beim Schließen der Schublade bewegt. Der verschwenkbare Bauteil steht dann noch in der strichpunktiert angedeuteten, der Öffnungsstellung der Schublade zugeordneten Schwenk-Endlage. Es ist erkennbar, daß der stiftartige Vorsprung 50 beim Fortschritt in Pfeilrichtung in die Aufnahme 64' einfährt und den schwenkbaren Bauteil im Gegenuhrzeigersinn verschiebt. Nach Überfahren des Totpunkts entsteht dann das erwähnte, in Schließrichtung wirkende Moment im verschwenkbaren Bauteil 54' und wird auf den stiftartigen Vorsprung 50 übertragen. Da dieser Vorsprung voraussetzungsgemäß starr mit der - ihrerseits die zugehörige Schublade 32 halternden - Laufschiene 26 verbunden ist, wird somit die Schublade zwangsläufig in die ganz geschlossene Stellung gezogen.The pin-like projection 50 is shown in dot-dash lines in FIG. 2 below the part 48 ', the arrow pointing at it indicating the direction in which it moves when the drawer is closed. The pivotable component is then still in the swivel end position indicated by dash-dotted lines and assigned to the open position of the drawer. It can be seen that the pin-like projection 50 moves into the receptacle 64 'as it progresses in the direction of the arrow and displaces the pivotable component in the counterclockwise direction. After passing over the dead center, the aforementioned moment acting in the closing direction arises in the pivotable component 54 ′ and is transmitted to the pin-like projection 50. Since this projection is rigidly connected to the running rail 26, which in turn holds the associated drawer 32, the drawer is inevitably pulled into the fully closed position.

Aus Figur 2 wird jedoch ebenfalls klar, daß der stiftartige Vorsprung 50 nur aus der vorgegebenen Richtung eingreifen kann. Sollte sich der Vorsprung 50 einmal auf der falschen Seite des verschwenkbaren Bauteils 54' befinden, ist die Ausziehführung blockiert.However, it is also clear from FIG. 2 that the pin-like projection 50 can only engage from the predetermined direction. If the projection 50 is once on the wrong side of the pivotable component 54 ', the pull-out guide is blocked.

Die Figuren 3 bis 8 zeigen verschiedene Einzelheiten eines Ausführungsbeispiels nach der Erfindung, wobei die Figuren 3 und 8 den vollständigen führungsschienenzugeordneten Teil 48, die Figuren 4 und 5 das Gehäuse 52 und die Figuren 5 und 7 den verschwenkbaren Bauteil 54 zeigen. Das Gehäuse 52 ist relativ flach und langgestreckt ausgebildet, damit es in der in Figur 1 schematisch veranschaulichten Lage in eine - nachstehend in Verbindung mit den Figuren 9 bis 11 noch näher geschilderte schlitzartige Aussparung 58 in der Profilschiene 22 einführ- und in der bestimmungsgemäßen Funktionslage dann festlegbar ist. Das Gehäuse 52 und die Aussparung 58 sind deshalb derart passend zueinander ausgebildet, daß das Gehäuse 52 bis in Anlage an die im Ausschnitt 58 seitlich begrenzenden Wandabschnitte des Profilschenkels 38 einschiebbar ist, wofür rippenartige Anschläge 60 an den gegenüberliegenden Seiten des Gehäuses vorgesehen sind. An dem innerhalb der Führungsschiene und oberhalb des Profilschenkels 36 gelegenen Abschnitt des Gehäuses 52 sind beidseitig federnde Zungen 62 angeformt, welche beim Einschieben des Gehäuses 52 in die Aussaprung zunächst federnd zusammengedrängt werden, in der bestimmungsgemäßen Montagelage jedoch hinter die korpuszugewandte Innenfläche des Profilschenkels 28 auffedern und dann das Gehäuse gegen Zurückziehen aus der Aussparung sichern. Die Lage der Schwenkachse des verschwenkbaren Bauteils 54 und dessen äußere Form sind der Zeichnung zu entnehmen, wobei erkennbar ist, daß die Schwenkachse möglichst weit in Richtung zur Korpus-Tragwand 24 versetzt im Gehäuseinnern ausgebildet ist, und daß der verschwenkbare Bauteil 54 in seinem gegenüberliegenden freien Endbereich eine offen mündende schlitzartige Aufnahme 64 aufweist, in welche der bereits früher erwähnte stiftartige Vorsprung 50 eingreifen und den verschwenkbaren Bauteil mitnehmen kann.FIGS. 3 to 8 show various details of an exemplary embodiment according to the invention, FIGS. 3 and 8 showing the complete part 48 associated with guide rails, FIGS. 4 and 5 the housing 52 and FIGS. 5 and 7 the pivotable component 54. The housing 52 is relatively flat and elongated, so that in the position shown schematically in FIG. 1 it is inserted into a slot-like recess 58 in the profiled rail 22, which is described in more detail below in connection with FIGS. 9 to 11, and then in the intended functional position is definable. The housing 52 and the recess 58 are therefore designed to match one another in such a way that the housing 52 can be pushed into contact with the wall sections of the profile leg 38 which laterally delimit in the cutout 58, for which purpose rib-like stops 60 are provided on the opposite sides of the housing. On the section of the housing 52 located within the guide rail and above the profile leg 36, resilient tongues 62 are formed on both sides, which are initially pressed together resiliently when the housing 52 is pushed into the recess, but spring open behind the body-facing inner surface of the profile leg 28 in the intended mounting position and then secure the housing against being pulled back out of the recess. The position of the pivot axis of the pivotable component 54 and its outer shape can be seen in the drawing, it being apparent that the pivot axis is formed as far as possible in the direction of the body-supporting wall 24 inside the housing, and that the pivotable component 54 in its opposite free End region has an open-ended slot-like receptacle 64, in which the previously mentioned pin-like projection 50 can engage and take the pivotable component with it.

Im Gehäuse 52 ist der schwenkbare Bauteil 54 gelagert, und zwar in diesem Falle so, daß einer anfänglichen Verschwenkbewegung des Bauteils 54 bei der Auslösung durch die in Schließrichtung bewegte Schublade 32 bzw. den mit dieser bewegten Vorsprung 50 anschließend noch eine geradlinig in Einschubrichtung verlaufende Einzugsbewgung angeschlossen wird, wodurch der wirksame Einzugsweg gegenüber den zuvor beschriebenen Ausführungsbeispielen wesentlich vergrößert wird. Um dies zu erreichen, ist der verschwenkbare Bauteil 54 nicht um eine fest Achse verschwenkbar am Gehäuse 52 gelagert, sondern in einer Kulissenführung, welche von zwei jeweils beidseitig mit Abstand voneinander vom Bauteil 54 vorspringenden Zapfen 70, 72 und je einer Kulissennut 74 in beiden, den Bauteil 54 zwischen sich aufnehmenden Gehäuse-Deckwänden gebildet wird. Die Kulissennut(en) 74 ist bzw. sind über den größten Teil ihrer Längserstreckung geradlinig ausgeführt, geht jedoch am Vorderende in einen bogenförmigen Abschnitt 74' über, in welchen der Zapfen 72 beim Aufziehen der Schublade gelangt und dann - dem bogenförmigen Verlauf des Abschnitts 74' entsprechend - abgelenkt wird, woraus die Verschwenkbewegung des Bauteils 54 resultiert, welche den Austritt des laufschienenzugeordneten Vorsprungs 50 aus der Aufnahme 64 ermöglicht. Der Bauteil 54 wird durch eine langgestreckte Schraubenfeder 56 in die der Schubladen-Schließstellung zugeordnete Endlage vorgespannt, wobei das Ende der Schraubenfeder 56 in einer Öffnung 78 des Bauteils 54 und das andere Ende im korpusinneren Endbereich einer im Gehäuse 52 vorgesehenen und parallel zum geradlinigen Abschnitt der Kulissennut 74 verlaufenden, die Schraubenfeder aufnehmenden Ausnehmung 80 gehalten ist. Der Angriffspunkt der Schraubenfeder 56 am verschwenkbaren Bauteil 54 ist so gewählt, daß die Wirkungslinie der von ihr auf den Bauteil 54 ausgeübten Federspannung in der Öffnungsstellung des Bauteils 54 zwischen den beiden Zapfen 70, 72 hindurch verläuft, wodurch der Bauteil so lange in der Öffnungsstellung gehalten wird, bis durch die beginnende Verschwenkbewegung beim Einfahren des Vorsprungs 50 in die Aufnahme 64 der Zapfen 70 aus dem bogenförmigen Abschnitt 74' der Kulissennut 74 freikommt und in den geradlinigen Abschnitt übertritt. Dann vermag die Feder den Bauteil ganz ins Korpusinnere zurückzuziehen, wodurch dann auch die Schublade in die ganz geschlossene Stellung gezogen und dort gehalten wird.The pivotable component 54 is mounted in the housing 52, in this case in such a way that an initial pivoting movement of the component 54 when it is triggered by the drawer 32 moved in the closing direction or the projection 50 moved with it, a straight pull-in movement in the insertion direction is then connected, as a result of which the effective pull-in path is significantly increased compared to the previously described exemplary embodiments. In order to achieve this, the pivotable component 54 is not mounted on the housing 52 such that it can pivot about a fixed axis, but rather in a link guide, which consists of two pins 70, 72 projecting on both sides at a distance from one another from the component 54 and one link slot 74 in each, the component 54 is formed between receiving housing top walls. The slotted groove (s) 74 is or are designed to be straight over most of their longitudinal extent, but merges at the front end into an arcuate section 74 'into which the pin 72 comes when the drawer is opened and then - the arcuate course of the section 74 is deflected accordingly, which results in the pivoting movement of the component 54, which enables the projection 50 associated with the running rail to emerge from the receptacle 64. The component 54 is biased by an elongated coil spring 56 into the end position assigned to the drawer closed position, the end of the coil spring 56 in an opening 78 of the component 54 and the other end in the interior end region of a provided in the housing 52 and parallel to the rectilinear section of the Link groove 74 extending, the coil spring receiving recess 80 is held. The point of application of the helical spring 56 on the pivotable component 54 is selected such that the line of action of the spring tension exerted on the component 54 in the open position of the component 54 extends between the two pins 70, 72, as a result of which the component is held in the open position for so long until, by the beginning of the pivoting movement when the projection 50 is inserted into the receptacle 64, the pin 70 is released from the arcuate section 74 'of the link groove 74 and into crosses the straight section. Then the spring can pull the component back into the interior of the body, which then also pulls the drawer into the fully closed position and holds it there.

Es ist ersichtlich, daß bei diesem Ausführungsbeispiel die Länge des Einzugsweges praktisch ausschließlich von der Länge des geradlinigen Teils der Kulissennut 54 abhängt. Eine Verlängerung der Kulissennut hat natürlich zwangsläufig auch eine Verlängerung des Gehäuses 52 zur Folge, wobei dann auch die entsprechende Aussparung 58 in der Führungsschiene 22 entsprechend verlängert werden müßte. Um die Führungsschiene 22 nicht durch eine zu lange Aussparung 58 zu schwächen, kann es dann erforderlich sein, das Gehäuse 52 an der Unterseite des Profilschenkels 36 zu befestigen. Die Führungsschienen-Aussparung 58 entfällt dann und die zu befürchtende Schwächung der Führungsschiene ist vermieden.It can be seen that in this exemplary embodiment the length of the feed path depends practically exclusively on the length of the straight part of the link groove 54. An extension of the link groove naturally also leads to an extension of the housing 52, in which case the corresponding recess 58 in the guide rail 22 would also have to be extended accordingly. In order not to weaken the guide rail 22 through a recess 58 that is too long, it may then be necessary to attach the housing 52 to the underside of the profile leg 36. The guide rail recess 58 is then dispensed with and the weakening of the guide rail to be feared is avoided.

Am verschwenkbaren Bauteil ist nun - gesehen in Einschubrichtung der Schublade - vor der Aufnahme 64 eine federnde Rastnase 82 vorgesehen, die - wie in Figur 3 erkennbar ist - in der vorderen, der Schubladen-Öffnungsstellung zugeordneten Endlage des Bauteils 54 ins Innere des Gehäuses zurückgezogen ist, in der - in Figur 3 nur strichpunktiert dargestellten - rückwärtigen Endlage jedoch vom Gehäuse vortritt. Wenn der Bauteil 54 bei der Montage oder durch Manipulationen bei ausgebauter Schublade in der korpusinneren Endlage steht, ohne daß dies durch den laufschienenzugeordneten Vorsprung 50 ausgelöst wurde, wäre die Einzugsautomatik nicht nur wirkungslos, sondern die Schublade könnte auch nicht ganz eingeschoben werden, weil der Vorsprung 50 an dem vor der Aufnahme 64 liegenden Material des Bauteils 54 anfahren würde, bevor die Schublade ganz geschlossen ist. Die Rastnase 82 ermöglicht es jedoch, in einem solchen Falle den Vorsprung 50 zu fangen und dann beim einmaligen Zurückziehen der Schublade den schwenkbaren Bauteil 54 wieder in die vordere Endlage zu überführen, worauf die Einzugsautomatik wieder voll funktionsfähig ist.On the pivotable component, as seen in the direction of insertion of the drawer, a resilient latching lug 82 is now provided in front of the receptacle 64, which - as can be seen in FIG. 3 - is retracted into the interior of the housing in the front end position of the component 54 assigned to the drawer open position , but in the rear end position - shown only in broken lines in FIG. 3 - protrudes from the housing. If the component 54 is in the interior end position during assembly or through manipulations with the drawer removed, without this being triggered by the projection 50 assigned to the running rail, the automatic retraction would not only be ineffective, but the drawer could also not be fully inserted because the projection 50 would approach the material of the component 54 lying in front of the receptacle 64 before the drawer is completely closed. In such a case, however, the latching lug 82 makes it possible to catch the projection 50 and then, when the drawer is pulled back once, the pivotable one To transfer component 54 back to the front end position, whereupon the automatic feeder is fully functional again.

Die Figuren 9 bis 11 zeigen den Abschnitt der Führungsschiene 22, in welchem die schlitzartige Aussparung 58 zur Aufnahme des Teils 48 (gemäß Fig. 3 bis 8) vorgesehen ist. Erkennbar ist, daß der im Profilschenkel 38 ausgebildete Teilabschnitt 58a in der Aussparung 58 etwas breiter als der sich im Profilschenkel 36 fortsetzende Teilabschnitt 58b ist, so daß der Profilschenkel 36 - in Blickrichtung auf die Flachseite des Profilschenkels 38 - seitlich einspringende leistenartige Bereiche bildet, denen in den schmalen Stirnflächen des Gehäuses 52 des Teils 48 horizontal verlaufende Nuten 59 mit passendem Querschnitt zugeordnet werden können, wie sie im Gehäuse des in Verbindung mit den Figuren 3 bis 8 beschriebenen Ausführungsbeispiel dargestellt sind.FIGS. 9 to 11 show the section of the guide rail 22 in which the slot-like recess 58 for receiving the part 48 (according to FIGS. 3 to 8) is provided. It can be seen that the portion 58a formed in the profile leg 38 in the recess 58 is somewhat wider than the portion 58b continuing in the profile leg 36, so that the profile leg 36 - in the direction of view of the flat side of the profile leg 38 - forms laterally protruding strip-like areas, which In the narrow end faces of the housing 52 of the part 48, horizontally extending grooves 59 with a suitable cross-section can be assigned, as shown in the housing of the exemplary embodiment described in connection with FIGS. 3 to 8.

In den Figuren 12 bis 14 ist ein Befestigungsbeschlag 90 für das Vorderende der Laufschiene 26 gezeigt, der als solcher an sich bekannt ist und deshalb auch nicht näher beschrieben wird. Zur Funktion dieses Beschlages 90 sei nur erwähnt, daß an einem Hebelarm eines als doppelarmiger Hebel ausgebildeten Halterungsarms 92 ein Vorfsprung 94 vorgesehen ist, der in eine entsprechende Aufnahmeöffnung in der zugewandten Seitenfläche der Laufschiene 26 einrastbar ist. Durch Drücken des anderen Hebelarms des Halterungsarms 92 ist die Laufschiene entrastbar.FIGS. 12 to 14 show a fastening fitting 90 for the front end of the running rail 26, which is known per se and is therefore not described in more detail. For the function of this fitting 90, it should only be mentioned that a projection 94 is provided on a lever arm of a mounting arm 92 designed as a double-armed lever, which projection can be snapped into a corresponding receiving opening in the facing side surface of the running rail 26. By pressing the other lever arm of the holding arm 92, the running rail can be released.

Neu und im Zusammenhang mit der vorliegenden Erfindung wesentlich ist jedoch die Anordnung des Vorsprungs 50 an diesem Befestigungsbeschlag 90, wofür dessen Grundplatte 96 entsprechend geformt ist. In einem bis in unmittelbar neben die Laufschiene 26 geführten Bereich dieser Grundplatte ist dann der Vorsprung 50 vorgesehen, wobei es sich - bei Herstellung des Befestigungsbeschlages 90 aus Kunststoff - anbietet, den Vorsprung 50 einstückig an der Grundplatte 96 anzuspritzen. Dabei ist es dann möglich, den Vorsprung 50 gegen seitliche Biegebeanspruchung durch eine (oder mehrere nicht gezeigte) Versteifungsrippe(n) 98 zu stabilisieren.What is new and essential in connection with the present invention is the arrangement of the projection 50 on this fastening fitting 90, for which the base plate 96 is shaped accordingly. The protrusion 50 is then provided in an area of this base plate which runs up to directly next to the running rail 26, it being possible - in the case of the production of the fastening fitting 90 made of plastic - to form the protrusion 50 in one piece on the base plate 96 to spray. It is then possible to stabilize the projection 50 against lateral bending stress by means of one (or more) stiffening rib (s) 98 (not shown).

Claims (11)

Einzugsautomatik (46) für Schubladen-Ausziehführungen (20) mit einer an der Korpus-Wand zu befestigenden, von einem aus Metallblech gekanteten Profil gebildeten Führungsschiene (22), welche einen von einem im wesentlichen rechtwinklig und horizontal von der Korpuswand (24) vorstehenden Profilschenkel nach oben umgekanteten und von unten in die zugehörige, von einem an der Unterseite offenen Hohlprofil gebildete, abnehmbar an der Schublade (32) zu befestigenden Laufschiene (26) eingreifenden Profilschenkel (38) aufweist, an welchem im Innern der Laufschiene (26) Abrollbahnen für in einem langgestreckten Käfig (40) gehalterte Wälzkörper gebildet sind, die auf den Abrollbahnen der Führungsschiene (22) einerseits und von zugeordneten Bereichen der Innenfläche der Laufschiene (26) gebildeten Abrollbahnen andererseits abzurollen vermögen und so eine Längsverschiebung der Laufschiene (26) relativ zur Führungsschiene (22) ermöglichen, wobei in einem gesonderten langgestreckten an der Führungsschiene (22) befestigten Gehäuse (52, 52') ein um eine im wesentlichen senkrechte Achse zwischen zwei Endlagen verschwenkbarer und durch eine Federanordnung (56, 56') bistabil in die Schwenk-Endlagen vorgespannter Bauteil (54, 54') angeordnet ist, der in einem über den horizontalen Profilschenkel (36) der Führungsschiene (22) ins Korpusinnere vortretenden Abschnitt eine offen mündende Aufnahme (64, 64') für einen von der Laufschiene (22) nach unten vortretenden Vorsprung (50) aufweist, und der Vorsprung (50) und der verschwenkbare Bauteil (54, 54') in bezug auf die Laufschiene (26) bzw. die Führungsschiene (22) relativ zueinander so angeordnet sind, daß der Vorsprung (50) bei einer Verschiebung der Laufschiene (26) von der Schubladen-Öffnungsstellung in die Schubladen-Schließstellung bei Annäherung an die Schließstellung in die Aufnahme (64, 64') des in der der Schubladen-Öffnungsstellung zugeordneten Schwenk-Endlage stehenden verschwenkbaren Bauteils (54, 54') einfährt und dann nach Überfahren des Totpunkts des verschwenkbaren Bauteils von diesem federnd in die Schubladen-Schließstellung mitgenommen wird,
dadurch gekennzeichnet,
daß in Schubladen-Einschubrichtung gesehen unmittelbar vor der Aufnahme (64) des verschwenkbaren Bauteils (54) eine in der der Schubladen-Öffnungsstellung zugeordneten Schwenk-Endlage in den Weg des von der Laufschiene (26) vortretenden Vorsprungs (50) ins Gehäuse (52) zurückgezogene und in der der Schubladen-Schließstellung zugeordneten Schwenk-Endlage in den Weg des Vorsprungs (50) vorstehende, in Einschubrichtung durch federnde Verformung jedoch vom Vorsprung (50) überfahrbare Rastnase (82) vorgesehen ist.Automatic feeder (46) for drawer pull-out guides (20) with a guide rail (22) to be fastened to the body wall and formed by a profile folded from sheet metal, which has a profile leg projecting essentially at right angles and horizontally from the body wall (24) folded upward and from below into the associated, formed by a hollow profile open on the underside, removably on the drawer (32) to be fastened to the rail (26) engaging profile leg (38), on which in the interior of the rail (26) rolling tracks for Rolling elements held in an elongated cage (40) are formed, which are able to roll on the rolling tracks of the guide rail (22) on the one hand and from assigned areas of the inner surface of the running rail (26) on the other hand and thus cause a longitudinal displacement of the running rail (26) relative to the guide rail (22) allow, being in a separate elongated The housing (52, 52 ') attached to the guide rail (22) has a component (54, 54') which can be pivoted about an essentially vertical axis between two end positions and which is bistable in the pivoting end positions by a spring arrangement (56, 56 ') , which has an open-ended receptacle (64, 64 ') for a projection (50) projecting downward from the running rail (22) in a section that projects into the interior of the body via the horizontal profile leg (36) of the guide rail (22), and the projection (50) and the pivotable component (54, 54 ') with respect to the running rail (26) or the guide rail (22) are arranged relative to one another such that the projection (50) when the running rail (26) is displaced from the Drawer open position in the drawer closed position when approaching the closed position in the receptacle (64, 64 ') of that assigned to the drawer open position Retracts the swiveling end position of the swivelable component (54, 54 ') and then, after passing over the dead center of the swivelable component, is resiliently carried into the closed position of the drawer,
characterized,
that seen in the drawer insertion direction immediately before the receptacle (64) of the pivotable component (54) in the swivel end position assigned to the drawer open position in the path of the projection (50) protruding from the running rail (26) into the housing (52) retracted and in the swivel end position assigned to the drawer closed position protruding into the path of the projection (50), but in the insertion direction by resilient deformation but can be passed over by the projection (50). Einzugsautomatik nach Anspruch 1, dadurch gekennzeichnet, daß das Gehäuse (52) lösbar an der Führungsschiene (22) befestigt ist.Automatic feeder according to claim 1, characterized in that the housing (52) is detachably fastened to the guide rail (22). Einzugsautomatik nach Anspruch 2, dadurch gekennzeichnet daß die Führungsschiene (22) im Übergangsbereich zwischen ihrem horizontalen (36) und dem hiervon rechtwinklig abgewinkelten, in die Laufschiene (26) eintretenden Profilschenkel (38) eine schlitzartige langgestreckte Aussparung (58) aufweist, in welche das Gehäuse (52) passend in die bestimmungsgemäße Befestigungsstellung einführbar ist, und daß das Gehäuse (52) einerseits die Einschubtiefe in die Aussparung (58) begrenzende Anschläge (60) und andererseits wenigstens zwei federnde Zungen (62) aufweist, deren beim Einführen des Gehäuses (52) in die Führungsschienen-Aussparung (58) federnd zurückdrängbare freien Enden in der bestimmungsgemäßen Befestigungsstellung hinter die korpuszugewandte Innenfläche des hochgekanteten Profilschenkels (58) auffedern und das Gehäuse (52) gegen Zurückziehen aus der Aussparung (58) sichern.Automatic feeder according to Claim 2, characterized in that the guide rail (22) has a slot-like elongated recess (58) in the transition region between its horizontal (36) and the profile leg (38) which is angled at right angles therefrom and enters the running rail (26), into which the Housing (52) can be inserted appropriately into the intended fastening position, and that the housing (52) on the one hand has stops (60) limiting the insertion depth into the recess (58) and on the other hand has at least two resilient tongues (62), which when the housing is inserted ( 52) in the guide rail recess (58), spring-back free ends in the intended fastening position behind the body-facing inner surface of the upturned profile leg (58) and secure the housing (52) against withdrawal from the recess (58). Einzugsautomatik nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der mit der Aufnahme (64) des verschwenkbaren Bauteils (54) zusammenwirkende Vorsprung (50) starr an der Laufschiene (26) befestigt ist.Automatic feeder according to one of claims 1 to 3, characterized in that the projection (50) cooperating with the receptacle (64) of the pivotable component (54) is rigidly attached to the running rail (26). Einzugsautomatik nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der mit der Aufnahme (64) im verschwenkbaren Bauteil (54) zusammenwirkende Vorsprung (50) starr an einem das korpusäußere Vorderende der Laufschiene (26) frontblendenseitig an der Schublade (32) halternden Befestigungsbeschlag (90) vorgesehen ist.Automatic feeder according to one of claims 1 to 3, characterized in that the projection (50) which interacts with the receptacle (64) in the pivotable component (54) rigidly on a front panel side of the drawer (32) holding the front end of the running rail (26) Fastening fitting (90) is provided. Einzugsautomatik nach Anspruch 5, dadurch gekennzeichnet, daß der Befestigungsbeschlag (90) und der Vorsprung (50) als integrales Kunststoff-Bauelement ausgebildet sind.Automatic feeder according to claim 5, characterized in that the fastening fitting (90) and the projection (50) are designed as an integral plastic component. Einzugsautomatik nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß im Gehäuse (52) eine mit dem verschwenkbaren Bauteil (54) zusammenwirkende Kulissenführung (70; 72; 74) ausgebildet ist, welche den verschwenkbaren Bauteil (54) in der der Schubladen-Öffnungsstellung zugeordneten Schwenk-Endlage zwangsläufig in die die offene Mündung der Aufnahme (64) in die mit dem Vorsprung (50) ausgerichtete Stellung führt und beim Einfahren des Vorsprungs (50) in die Aufnahme (64) bei der Schließbewegung nach Verschwenkung in die der Schubladen-Schließstellung zugeordnete Schwenk-Endlage einen zusätzlichen in Richtung der Schließbewegung verlaufenden Verschiebungsweg für den verschwenkbaren Bauteil (54) zur Verfügung stellt, und daß eine Feder (56) vorgesehen ist, welche auf den verschwenkbaren Bauteil (54) eine in Richtung der Schubladen-Schließstellung gerichtete Vorspannkraft ausübt.Automatic feeder according to one of Claims 1 to 6, characterized in that a link guide (70; 72; 74) which interacts with the pivotable component (54) is formed in the housing (52) and which guides the pivotable component (54) in that of the drawer The swivel end position assigned to the open position inevitably leads into the open mouth of the receptacle (64) in the position aligned with the projection (50) and when the projection (50) moves into the receptacle (64) during the closing movement after pivoting into that of the drawers -Closed swivel end position provides an additional displacement path in the direction of the closing movement for the pivotable component (54), and that a spring (56) is provided which on the pivotable component (54) has a direction towards the drawer closed position exerted biasing force. Einzugsautomatik nach Anspruch 7, dadurch gekennzeichnet, daß im Gehäuse (52) wenigstens eine Kulissennut (74) eingearbeitet ist, welche über den größeren Teil ihrer Länge geradlinig in Schubladen-Verschiebungsrichtung verläuft, an ihrem korpusäußeren Ende jedoch in eine zur zugeordneten Korpuswand geführten bogenförmigen Endabschnitt (74) übergeht, und daß am verschwenkbaren Bauteil (54) mit Abstand voneinander zwei vortretende, in die Kulissennut (74) vortretende Zapfen (70; 72) ausgebildet sind, deren Lage so gewählt ist, daß der eine in der der Öffnungsstellung der Schublade (32) zugeordneten Endlage im bogenförmigen vorderen Abschnitt (74') der Kulissennut (74) steht, während der zweite Zapfen (72) im vorderen Endbereich des geradlinig verlaufenden Abschnitts der Kulissennut (74) steht.Automatic feeder according to claim 7, characterized in that in the housing (52) at least one link groove (74) is machined, which is linear over the greater part of its length in the drawer displacement direction extends, but at its outer end into a curved end section (74) leading to the associated body wall, and that two pivoting pins (70; 72) protruding into the link groove (74) are formed on the pivotable component (54) at a distance from one another, the position of which is selected so that the one in the open position of the drawer (32) assigned end position in the arcuate front section (74 ') of the link groove (74), while the second pin (72) in the front end region of the rectilinear section of the Link groove (74) stands. Einzugsautomatik nach Anspruch 8, dadurch gekennzeichnet, daß der Angriffspunkt der Feder (56) am verschwenkbaren Bauteil (54) so gewählt ist, daß die Wirkungslinie der Federspannung bei in der Öffnungsstellung befindlichem verschwenkbaren Bauteil (54) zwischen den beiden Zapfen hindurch verläuft.Automatic feeder according to Claim 8, characterized in that the point of application of the spring (56) on the pivotable component (54) is selected such that the line of action of the spring tension runs between the two pins when the pivotable component (54) is in the open position. Einzugsautomatik nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die Feder eine am verschwenkbaren Bauteil (54) einerseits und am Gehäuse (52) andererseits angreifende, langgestreckte Schraubenfeder (56) ist, deren Länge so bemessen ist, daß sie in der Schubladen-Schließstellung eine Rest-Vorspannkraft auf den verschwenkbaren Bauteil (54) ausübt.Automatic feeder according to one of claims 7 to 9, characterized in that the spring is an elongated coil spring (56) which engages on the pivotable component (54) on the one hand and on the housing (52) on the other hand, the length of which is dimensioned such that it is in the drawers -Closed position exerts a residual prestressing force on the pivotable component (54). Einzugsautomatik nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Schraubenfeder (56) in einer im wesentlichen parallel zum geradlinig verlaufenden Abschnitt der Kulissennut (74) verlaufenden langgestreckten Ausnehmung (80) des Gehäuses (52) angeordnet ist.Automatic feeder according to one of Claims 8 to 10, characterized in that the helical spring (56) is arranged in an elongate recess (80) in the housing (52) which runs essentially parallel to the rectilinear section of the link groove (74).
EP93111335A 1990-06-26 1991-04-15 Automatic telescopic device for drawer runners Expired - Lifetime EP0580075B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4020277 1990-06-26
DE4020277A DE4020277C2 (en) 1990-06-26 1990-06-26 Automatic retraction for drawer pull-out guides
EP91907639A EP0489122B1 (en) 1990-06-26 1991-04-15 Automatic telescopic device for drawer runners

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP91907639.8 Division 1991-04-15

Publications (2)

Publication Number Publication Date
EP0580075A1 true EP0580075A1 (en) 1994-01-26
EP0580075B1 EP0580075B1 (en) 1996-07-10

Family

ID=6409079

Family Applications (2)

Application Number Title Priority Date Filing Date
EP91907639A Expired - Lifetime EP0489122B1 (en) 1990-06-26 1991-04-15 Automatic telescopic device for drawer runners
EP93111335A Expired - Lifetime EP0580075B1 (en) 1990-06-26 1991-04-15 Automatic telescopic device for drawer runners

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP91907639A Expired - Lifetime EP0489122B1 (en) 1990-06-26 1991-04-15 Automatic telescopic device for drawer runners

Country Status (5)

Country Link
US (1) US5302016A (en)
EP (2) EP0489122B1 (en)
AT (2) ATE140136T1 (en)
DE (2) DE4020277C2 (en)
WO (1) WO1992000027A1 (en)

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US7277273B2 (en) * 2004-09-23 2007-10-02 Special Product Company Equipment cabinet providing full access to equipment housed therein
WO2008119091A1 (en) * 2007-04-02 2008-10-09 Fulterer Gesellschaft M.B.H. Roller differential extension guide

Also Published As

Publication number Publication date
ATE134844T1 (en) 1996-03-15
DE9007365U1 (en) 1991-07-11
EP0489122B1 (en) 1996-03-06
DE4020277A1 (en) 1992-01-02
US5302016A (en) 1994-04-12
WO1992000027A1 (en) 1992-01-09
DE4020277C2 (en) 1995-02-09
ATE140136T1 (en) 1996-07-15
EP0580075B1 (en) 1996-07-10
EP0489122A1 (en) 1992-06-10

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