EP2105068B1 - Suspension spring made from plastic or a plastic composite - Google Patents

Suspension spring made from plastic or a plastic composite Download PDF

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Publication number
EP2105068B1
EP2105068B1 EP09008515.0A EP09008515A EP2105068B1 EP 2105068 B1 EP2105068 B1 EP 2105068B1 EP 09008515 A EP09008515 A EP 09008515A EP 2105068 B1 EP2105068 B1 EP 2105068B1
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EP
European Patent Office
Prior art keywords
bearing surface
longitudinal
resilient slat
longitudinal crosspiece
crosspiece
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EP09008515.0A
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German (de)
French (fr)
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EP2105068A1 (en
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Siegbert Hartmann
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/061—Slat structures
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/062—Slat supports
    • A47C23/068—Slat supports with additional supports between the ends of the slats

Definitions

  • the invention relates to a spring bar made of plastic or a plastic mixture for a slatted frame of a sitting or lying furniture, with in receiving pockets of supporting beams opposite endpoint bearings inserted insertion ends, an upwardly directed support surface and extending from the bottom downwardly extending longitudinal webs.
  • a disadvantage of this known elastic plastic strip is its relatively high weight, the large use of materials and the complex production, which is very time-consuming, costly and labor-intensive by the insertion of the reinforcing elements.
  • EP 0 733 325 A1 Although it consists of a main support bridge, which is interpretable as a spring bar, however, extending laterally wing-like and over the top of the main support projecting flat support elements that support a mattress elastic, the production of such a spring bridge requires very complex and therefore expensive molds ,
  • the object of the invention is to provide a spring bar available, which is considerably easier with significantly reduced material usage and still a high Has load capacity and high stability with optimal suspension properties and also is inexpensive to produce.
  • the achievable stability of the spring bar increases, with almost no contribution to increasing strength material, which would be located approximately in the region of a neutral plane, can be almost completely eliminated, which has a positive effect on the total weight to be processed amount of plastic and thus also beneficial to the economy.
  • a further optimization of the spring strip is possible by the selection of the material itself, be it from a pure plastic or a plastic mixture, which may be offset, for example with a fiber content.
  • a variation of the height of the intermediate webs thus allows the influencing of the suspension properties and the achievable stability of the spring bar in a particularly simple dimensions.
  • a spring bar can also be prepared so that their upwardly directed in the installed state top can be easily provided with engravings, logos or other ornaments.
  • Their individual parts can be optimized particularly easily in terms of production technology as well as with regard to material requirements and strength.
  • the various embodiments can have a variety of forms of bearing surfaces.
  • the production of injection-molded parts here allows extensive freedom of design.
  • the spring bar is composed to solve the problem of several with extending over most of their total length components to a bar whose components form a firmly interconnected assembly before installation in a sitting or lying furniture.
  • a preferred embodiment of a spring strip has a bearing surface with a single or multiple surface recesses, portions of the longitudinal web or longitudinal webs extending below theseêtnausappelisme and the longitudinal web or the longitudinal webs there have a thickness that corresponds to a maximum width of the mecanicnausappelisme.
  • a plurality of such surface recesses can be arranged behind and / or next to one another, wherein intermediate webs can extend from the undersides of the bearing surface remaining therebetween as far as the longitudinal struts.
  • These intermediate webs can have further, extending transversely to the longitudinal direction support webs that support the intermediate webs to improve the torsional strength of the entire spring bar.
  • a ceremoniesnaus disorders extends with or without interruptions from one to the other insertion end of a spring bar and extending below the support surface longitudinal ridge also continuously under the surface recess, preferably straight and extending in a horizontal plane.
  • the support surface for a mattress is thereby significantly reduced, which significantly improves their breathability, so that a moisture accumulation is completely avoided in resting on the support surface mattress.
  • the very broad in this embodiment formed longitudinal web also generates a very high resistance to deflection and against rotation of the spring bar when it is claimed by the action of an obliquely from above attacking force.
  • the construction can be arranged centrally or eccentrically, transversely to the longitudinal direction extending intermediate webs in the space between the support surface and the longitudinal web, or, as in a further particularly preferred embodiment of the subject invention, longitudinally slidable hardness slider be provided, for example, in a surface recess may be guided and in some or all possible operating positions have a mechanical contact with the top of the longitudinal strut.
  • longitudinally slidable hardness slider be provided, for example, in a surface recess may be guided and in some or all possible operating positions have a mechanical contact with the top of the longitudinal strut.
  • connection is carried out in the region of the intermediate webs and designed as a latching connection, for which purpose the spring strip below the receiving surface has latching receptacles and the longitudinal web end-side corresponding notches.
  • the spring strip 1, 21, 41 made of plastic or plastic mixture consists essentially of a support surface 9, 29 withhabilitnausEnglishungen 4 and marginal insertion ends 5, 25 and at least one arranged below the support surface 9, 29 longitudinal web 2, 22, via intermediate webs 3; at the bottom of the support surface 9, 29 is fixed.
  • the support surface 9, 29 has laterally narrow downwardly directed edge webs 6, 26 over its length.
  • the solicitnausANSung 4 extends from a Einsteckende 5 to the opposite insertion end 5 of the support surface 9, wherein the surface recess 4 extends to the lateral edge regions of the side webs 6 zoom.
  • the longitudinal ridge 2 may have a middle gutter, or as in Fig. 2 represented, be connected via two lateral intermediate webs 3 with the underside of the support surface 9, which can produce a very stable spatial structure.
  • a spring strip 1 as in Fig. 1 is shown, in an embodiment as in the aforementioned spring bar 41, an integrated hardness adjustment can be provided by 9 hardening slide 8 are inserted into the space 7 between the longitudinal web 2 and the underside of the support surface 8, which can be performed in theinstitunausEnglishung 4 and / or completely surround the support surface 9.
  • a drawing for further stabilization of the spring strip 1 a drawing, however, not shown gutter 3, in particular centrally halfway along the spring bar 1 are provided.
  • FIG. 3 An in FIG. 3 represented inventive embodiment of the spring bar 21 is formed in two parts, as shown in the Fig. 4 is shown.
  • the support surface 29 may also have surface recesses or, as shown, be equipped with a closed surface and the longitudinal web 22 may have in its end portions pin 24, which in pin receptacles 28 at the bottom the support surface 29 engage.
  • the longitudinal web 22 may further consist of a different plastic material than the bearing surface 29. Also in this variant, it is possible, however, not shown in the drawing, to provide centrally of the longitudinal web 22 or symmetrically arranged intermediate webs to achieve a further reinforcement of the spring bar 21. Here too, further hardness slides can be inserted into the free space 27 between the underside of the support surface 29 and the longitudinal web 22.

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  • Springs (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Description

Die Erfindung betrifft eine Federleiste aus Kunststoff oder einem Kunststoffgemisch für einen Lattenrost eines Sitz- oder Liegemöbels, mit in Aufnahmetaschen von an Tragholmen sich gegenüberliegend angeordneten Endpunktlagern einzuführenden Einsteckenden, einer nach oben gerichteten Auflagerfläche und sich von deren Unterseite nach unten erstreckenden Längsstegen.The invention relates to a spring bar made of plastic or a plastic mixture for a slatted frame of a sitting or lying furniture, with in receiving pockets of supporting beams opposite endpoint bearings inserted insertion ends, an upwardly directed support surface and extending from the bottom downwardly extending longitudinal webs.

Es ist eine elastische Kunststoffleiste für Lattenroste von Sitz- und Liegemöbeln bekannt, DE 42 27 187 C1 , die eine Auflagerfläche für Matratzen aufweist sowie an deren Unterseite in Leistenlängsrichtung verlaufende Verrippungsstege, die jeweils mit zusätzlichen Armierungselementen versehen sind.It is known an elastic plastic strip for slatted frames of seating and reclining furniture, DE 42 27 187 C1 , Which has a support surface for mattresses and extending at the bottom in strip longitudinal Verrippungsstege, which are each provided with additional reinforcing elements.

Nachteilig an dieser vorbekannten elastischen Kunststoffleiste ist ihr relativ hohes Gewicht, der große Materialeinsatz sowie die aufwändige Fertigung, welche durch das Einlegen der Armierungselemente sehr zeit-, kosten- und personalintensiv ist.A disadvantage of this known elastic plastic strip is its relatively high weight, the large use of materials and the complex production, which is very time-consuming, costly and labor-intensive by the insertion of the reinforcing elements.

Bekannt ist weiterhin eine sehr breite Federbrücke für eine Untermatratze, EP 0 733 325 A1 , die zwar aus einer Haupttragbrücke besteht, die als Federleiste interpretierbar ist, von der sich allerdings seitlich flügelartig und über die Oberseite der Haupttragbrücke hinausragende flächige Abstützelemente erstrecken, die eine Untermatratze elastisch unterstützen, wobei die Herstellung einer solchen Federbrücke sehr aufwendige und damit teure Formwerkzeuge erfordert.Also known is a very wide spring bridge for a lower mattress, EP 0 733 325 A1 Although it consists of a main support bridge, which is interpretable as a spring bar, however, extending laterally wing-like and over the top of the main support projecting flat support elements that support a mattress elastic, the production of such a spring bridge requires very complex and therefore expensive molds ,

Aufgabe der Erfindung ist es, eine Federleiste zur Verfügung zu stellen, die bei deutlich reduziertem Materialeinsatz erheblich leichter ist und trotzdem eine hohe Tragkraft und eine große Stabilität bei optimalen Federungseigenschaften aufweist und die zudem kostengünstig herstellbar ist.The object of the invention is to provide a spring bar available, which is considerably easier with significantly reduced material usage and still a high Has load capacity and high stability with optimal suspension properties and also is inexpensive to produce.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den Merkmalen des Hauptanspruchs insbesondere dadurch, dass der Längssteg oder die Längsstege von der Unterseite der Auflagerfläche beabstandet verlaufen und über Zwischenstege damit verbunden sind, so dass ein Freiraum zwischen der Unterseite der Auflagerfläche und der Oberseite des Längssteges gebildet ist, wobei die Auflagerfläche über ihre Länge leicht bogenförmig nach oben ausgebildet ist, wobei die Federleiste aus sich über den Großteil ihrer Gesamtlänge erstreckenden Bauteilen mehrteilig zu einer fest miteinander verbundenen Baueinheit ausgebildet ist, wobei die mehrteilig ausgebildete Federleiste eine Auflagerfläche und einen Längssteg aufweist, und wobei die Verbindung aus einer Rastverbindung besteht und mindestens die endseitigen Zwischenstege mit Rastenaufnahmen für Rasten des Längssteges ausgestattet sind.The solution of this object is achieved according to the invention with the features of the main claim in particular in that the longitudinal web or the longitudinal webs spaced from the bottom of the support surface and are connected via intermediate webs, so that a space between the bottom of the support surface and the top of the longitudinal web is formed , wherein the support surface is formed slightly arcuate upwards over its length, wherein the spring bar is formed over a majority of their total length extending components in several parts to form a rigidly interconnected unit, wherein the multi-part spring bar has a support surface and a longitudinal ridge, and wherein the connection consists of a latching connection and at least the end-side intermediate webs are equipped with detent recesses for detents of the longitudinal web.

Mit steigendem Abstand der Längsstege von der Unterseite der Auflagerfläche erhöht sich die erzielbare Stabilität der Federleiste, wobei auf zur Festigkeitssteigerung wenig beitragendes Material, welches etwa im Bereich einer neutralen Ebene angesiedelt wäre, nahezu vollständig verzichtet werden kann, was sich positiv auf das Gesamtgewicht, die zu verarbeitende Kunststoffmenge und damit auch vorteilhaft auf die Wirtschaftlichkeit auswirkt. Eine weitere Optimierung der Federleiste ist durch die Auswahl des Materials selber möglich, sei es aus einem reinen Kunststoff oder einem Kunststoffgemisch, welches beispielsweise mit einem Faseranteil versetzt sein kann.With increasing distance of the longitudinal webs from the underside of the support surface, the achievable stability of the spring bar increases, with almost no contribution to increasing strength material, which would be located approximately in the region of a neutral plane, can be almost completely eliminated, which has a positive effect on the total weight to be processed amount of plastic and thus also beneficial to the economy. A further optimization of the spring strip is possible by the selection of the material itself, be it from a pure plastic or a plastic mixture, which may be offset, for example with a fiber content.

Eine Variation der Höhe der Zwischenstege erlaubt damit die Beeinflussung der Federungseigenschaften und der erzielbaren Stabilität der Federleiste in besonders einfachem Maße. Eine Federleiste lässt sich des Weiteren so herstellen, dass deren im Einbauzustand nach oben gerichtete Oberseite auf einfache Art und Weise mit Gravuren, Logos oder anderen Verzierungen versehen werden kann. Bei der aus mehreren Bauteilen zu einem einheitlichen Produkt zusammengefügten Federleiste lassen sich deren Einzelteile besonders leicht produktionstechnisch sowie hinsichtlich des Materialbedarfes und der Festigkeit optimieren.A variation of the height of the intermediate webs thus allows the influencing of the suspension properties and the achievable stability of the spring bar in a particularly simple dimensions. A spring bar can also be prepared so that their upwardly directed in the installed state top can be easily provided with engravings, logos or other ornaments. In the case of the multi-component jointed to a single product spring bar Their individual parts can be optimized particularly easily in terms of production technology as well as with regard to material requirements and strength.

Weitere vorteilhafte Ausgestaltungen des Gegenstandes der Erfindung ergeben sich mit und in Kombination aus den nachfolgenden Unteransprüchen.Further advantageous embodiments of the subject of the invention will become apparent with and in combination from the following subclaims.

Besonders vorteilhaft an der erfindungsgemäßen Federleiste ist zunächst, dass die verschiedenen Ausführungsformen die unterschiedlichsten Formen von Auflagerflächen aufweisen können. Die Herstellung aus Spritzgussteilen erlaubt hier eine weitgehende Gestaltungsfreiheit.It is particularly advantageous on the spring strip according to the invention, first, that the various embodiments can have a variety of forms of bearing surfaces. The production of injection-molded parts here allows extensive freedom of design.

Die Federleiste ist zur Lösung der Aufgabe aus mehreren mit sich über den Großteil ihrer Gesamtlänge erstreckenden Bauteilen zu einer Leiste zusammengesetzt, deren Bauteile bereits vor dem Einbau in ein Sitz- oder Liegemöbel eine fest miteinander verbundene Baueinheit bilden.The spring bar is composed to solve the problem of several with extending over most of their total length components to a bar whose components form a firmly interconnected assembly before installation in a sitting or lying furniture.

Eine bevorzugte Ausführungsform einer Federleiste besitzt eine Auflagerfläche mit einer einzelnen oder mehreren Flächenausnehmungen, wobei Teilbereiche des Längssteges oder der Längsstege unterhalb dieser Flächenausnehmungen verlaufen und der Längssteg oder die Längsstege dort ein Dickenmaß aufweisen, welches maximal dem Breitenmaß der Flächenausnehmungen entspricht.A preferred embodiment of a spring strip has a bearing surface with a single or multiple surface recesses, portions of the longitudinal web or longitudinal webs extending below these Flächenausnehmungen and the longitudinal web or the longitudinal webs there have a thickness that corresponds to a maximum width of the Flächenausnehmungen.

Diese Flächenausnehmungen verhindern beispielsweise durch die bessere Durchlüftung einer auf den erfinderischen Federleisten aufliegenden Matratze vorteilhaft die Entstehung von Stockflecken. Ein weiterer sehr wesentlicher Vorteil solcher Flächenausnehmungen und der übrigen erfinderischen Konstruktion dieser Federleiste ist die insgesamt erzielbare Gewichtseinsparung bei jeder einzelnen Federleiste aber insbesondere beim fertigen Produkt. Dieses lässt sich während seiner Herstellung und seine Weiterverarbeitung wesentlich leichter und einfacher handhaben, ebenso wie es erhebliche Umweltvorteile mit sich bringt, da zum einen die vorhandenen Ressourcen geschützt werden und zum anderen der Transport der fertigen Waren einen geringeren Verbrauch von Transportenergie ermöglicht.These surface recesses prevent, for example, through the better ventilation of resting on the inventive spring strips mattress advantageous the formation of foxing. Another very significant advantage of such Flächenausnehmungen and the other inventive design of this spring bar is the overall achievable weight savings in each spring bar but especially in the finished product. This can be much easier and easier to handle during its manufacture and further processing, as well as it brings significant environmental benefits, since on the one hand the existing resources are protected and on the other hand, the transport of the finished goods allows a lower consumption of transport energy.

Gemäß einer besonders vorteilhaften Variante der Erfindung können mehrere solcher Flächenausnehmungen hinter- und/ oder nebeneinander angeordnet sein, wobei sich von den Unterseiten der dazwischen verbliebenen Auflagerfläche Zwischenstege bis zu den Längsstreben erstrecken können. Diese Zwischenstege können zur Verbesserung der Torsionsfestigkeit der gesamten Federleiste weitere, sich quer zur Längsrichtung verlaufende Stützstege aufweisen, die die Zwischenstege abstützen.According to a particularly advantageous variant of the invention, a plurality of such surface recesses can be arranged behind and / or next to one another, wherein intermediate webs can extend from the undersides of the bearing surface remaining therebetween as far as the longitudinal struts. These intermediate webs can have further, extending transversely to the longitudinal direction support webs that support the intermediate webs to improve the torsional strength of the entire spring bar.

Entsprechend einer weiteren vorteilhaften Ausgestaltung des Gegenstandes der Erfindung erstreckt sich eine Flächenausnehmung mit oder ohne Unterbrechungen von einem bis zum anderen Einsteckende einer Federleiste und der unterhalb der Auflagerfläche verlaufende Längssteg ebenfalls durchgehend unter der Flächenausnehmung, vorzugsweise gerade und in einer horizontalen Ebene verlaufend. Die Auflagerfläche für eine Matratze wird dadurch deutlich verringert, was deren Durchlüftbarkeit wesentlich verbessert, sodass ein Feuchtigkeitsstau in einer auf der Auflagerfläche aufliegenden Matratze vollständig vermieden wird.According to a further advantageous embodiment of the subject invention, a Flächenausnehmung extends with or without interruptions from one to the other insertion end of a spring bar and extending below the support surface longitudinal ridge also continuously under the surface recess, preferably straight and extending in a horizontal plane. The support surface for a mattress is thereby significantly reduced, which significantly improves their breathability, so that a moisture accumulation is completely avoided in resting on the support surface mattress.

Der bei dieser Ausführungsform sehr breit ausgebildete Längssteg erzeugt zudem eine sehr hohe Festigkeit gegen eine Durchbiegung und gegen ein Verdrehen der Federleiste, wenn sie durch das Einwirken einer schräg von oben angreifenden Kraft beansprucht wird.The very broad in this embodiment formed longitudinal web also generates a very high resistance to deflection and against rotation of the spring bar when it is claimed by the action of an obliquely from above attacking force.

Zur weiteren Stabilisation der Konstruktion können in dem Freiraum zwischen der Auflagerfläche und dem Längssteg mittig oder außermittig, quer zur Längsrichtung verlaufende Zwischenstege angeordnet sein, oder, wie bei einer weiteren besonders bevorzugten Ausführungsform des Gegenstandes der Erfindung, längs verschiebbare Härteschieber vorgesehen sein, die beispielsweise in einer Flächenausnehmung geführt sein können und in einigen oder allen möglichen Betriebsstellungen einen mechanischen Kontakt mit der Oberseite der Längsstrebe aufweisen. Hierdurch wird in einer aus mehreren Bauteilen zusammengefügten Federleiste, die Möglichkeit einer Härteverstellung verwirklicht, welche bei anderen bekannten Ausführungsformen von Kunststoff- oder Holzfederleisten nur durch die Kombination mehrerer Leisten erzeugt werden kann.To further stabilize the construction can be arranged centrally or eccentrically, transversely to the longitudinal direction extending intermediate webs in the space between the support surface and the longitudinal web, or, as in a further particularly preferred embodiment of the subject invention, longitudinally slidable hardness slider be provided, for example, in a surface recess may be guided and in some or all possible operating positions have a mechanical contact with the top of the longitudinal strut. As a result, the possibility of a hardness adjustment is realized in an assembled from several components spring bar, which can be produced in other known embodiments of plastic or wooden spring strips only by the combination of multiple strips.

Bei einer weiteren sehr vorteilhaften Ausgestaltung des Gegenstandes der erfinderischen Federleiste gelingt es durch eine gezielte Materialauswahl der Auflagerfläche sowie des längs unterhalb der Auflagerfläche verlaufenden Längssteges die Federeigenschaften der Federleiste beliebig zu beeinflussen oder auch die Farbgestaltung zu variieren, wobei eine unterschiedliche Farbgebung des zunächst separaten Längssteges unterschiedlichen Härtegraden oder Federkennlinien der damit erzeugten Federleiste entsprechen kann.In a further very advantageous embodiment of the subject of the inventive spring bar succeeds by selectively selecting the material of the support surface and extending longitudinally below the support surface longitudinal ridge to influence the spring characteristics of the spring bar or to vary the color scheme, with a different color of the first separate longitudinal ridge different Hardness levels or spring characteristics of the spring bar produced so can correspond.

Die Verbindung wird im Bereich der Zwischenstege durchgeführt und als Rastverbindung ausgebildet, wozu die Federleiste unterhalb der Aufnahmefläche Rastaufnahmen und der Längssteg endseitige korrespondierende Rasten aufweist.The connection is carried out in the region of the intermediate webs and designed as a latching connection, for which purpose the spring strip below the receiving surface has latching receptacles and the longitudinal web end-side corresponding notches.

Nachfolgend sind einige Federleisten anhand von Zeichnungen näher beschrieben. Es zeigen:

Fig. 1
eine einteilige Federleiste mit zwei verschiebbaren Härteschiebern in einer räumlichen Ansicht,
Fig. 2
eine einteilige Federleiste mit einem breiten Längssteg in einer räumlichen Ansicht von schräg unten,
Fig. 3
eine erfindungsgemässe zusammengebaute zweiteilige Federleiste in räumlicher Ansicht von schräg unten und
Fig. 4
die Federleiste gem. Fig. 3 in einer Explosionsdarstellung,
wobei die Figuren 1 und 2 einteilige Federleisten zeigen, welche außerhalb des Schutzumfanges der Ansprüche liegen.Below some spring connectors are described in more detail by means of drawings. Show it:
Fig. 1
a one-piece spring strip with two sliding hardness slides in a three-dimensional view,
Fig. 2
a one-piece spring bar with a wide longitudinal ridge in a spatial view obliquely from below,
Fig. 3
an inventive assembled two-piece spring strip in a spatial view obliquely from below and
Fig. 4
the spring strip gem. Fig. 3 in an exploded view,
the Figures 1 and 2 one-piece spring strips show which are outside the scope of the claims.

Die Federleiste 1;21;41 aus Kunststoff oder Kunststoffgemisch besteht im Wesentlichen aus einer Auflagerfläche 9;29 mit Flächenausnehmungen 4 und randseitigen Einsteckenden 5;25 sowie mindestens einem unterhalb der Auflagerfläche 9;29 angeordneten Längssteg 2;22, der über Zwischenstege 3;23 an der Unterseite der Auflagerfläche 9;29 festgelegt ist. Die Auflagerfläche 9;29 weist über ihre Länge seitlich schmale nach unten gerichtete Randstege 6;26 auf.The spring strip 1, 21, 41 made of plastic or plastic mixture consists essentially of a support surface 9, 29 with Flächenausnehmungen 4 and marginal insertion ends 5, 25 and at least one arranged below the support surface 9, 29 longitudinal web 2, 22, via intermediate webs 3; at the bottom of the support surface 9, 29 is fixed. The support surface 9, 29 has laterally narrow downwardly directed edge webs 6, 26 over its length.

Bei einer Federleiste 41 wie sie in Fig. 2 dargestellt ist, reicht die Flächenausnehmung 4 von einem Einsteckende 5 bis zum gegenüber liegenden Einsteckende 5 der Auflagerfläche 9, wobei die Flächenausnehmung 4 sich bis zu den seitlichen Randbereichen an die Seitenstege 6 heran erstreckt. Der Längssteg 2 kann über einen mittleren Zwischensteg, oder wie in Fig. 2 dargestellt, über zwei seitliche Zwischenstege 3 mit der Unterseite der Auflagerfläche 9 verbunden sein, wodurch sich ein sehr stabiles räumliches Gebilde erzeugen lässt.In a spring bar 41 as in Fig. 2 is shown, the Flächenausnehmung 4 extends from a Einsteckende 5 to the opposite insertion end 5 of the support surface 9, wherein the surface recess 4 extends to the lateral edge regions of the side webs 6 zoom. The longitudinal ridge 2 may have a middle gutter, or as in Fig. 2 represented, be connected via two lateral intermediate webs 3 with the underside of the support surface 9, which can produce a very stable spatial structure.

Bei einer Federleiste 1 wie sie in Fig. 1 dargestellt ist, kann bei einer Ausgestaltung wie bei der vorgenannten Federleiste 41 eine integrierte Härteverstellung vorgesehen werden, indem in den Freiraum 7 zwischen dem Längssteg 2 und der Unterseite der Auflagerfläche 9 Härteschieber 8 eingesetzt werden, die in der Flächenausnehmung 4 geführt sein können und/ oder die Auflagerfläche 9 vollständig umgreifen. Auch hier kann zur weiteren Stabilisierung der Federleiste 1 ein zeichnerisch jedoch nicht dargestellter Zwischensteg 3, insbesondere mittig auf halber Länge der Federleiste 1 vorgesehen werden.For a spring strip 1 as in Fig. 1 is shown, in an embodiment as in the aforementioned spring bar 41, an integrated hardness adjustment can be provided by 9 hardening slide 8 are inserted into the space 7 between the longitudinal web 2 and the underside of the support surface 8, which can be performed in the Flächenausnehmung 4 and / or completely surround the support surface 9. Again, for further stabilization of the spring strip 1 a drawing, however, not shown gutter 3, in particular centrally halfway along the spring bar 1 are provided.

Eine in Figur 3 dargestellte erfindungsgemässe Ausführungsform der Federleiste 21 ist zweiteilig ausgebildet, wie dies in der Fig. 4 dargestellt ist. Die Auflagerfläche 29 kann dabei ebenfalls Flächenausnehmungen aufweisen oder aber, wie dargestellt, mit einer geschlossenen Oberfläche ausgestattet sein und der Längssteg 22 kann in seinen Endbereichen Zapfen 24 aufweisen, die in Zapfenaufnahmen 28 an der Unterseite der Auflagerfläche 29 eingreifen. Der Längssteg 22 kann des Weiteren aus einem anderen Kunststoffmaterial bestehen als die Auflagerfläche 29. Auch bei dieser Variante ist es möglich, zeichnerisch jedoch nicht dargestellt, mittig des Längssteges 22 oder symmetrisch angeordnete Zwischenstege vorzusehen, um eine weitere Versteifung der Federleiste 21 zu erzielen. Auch hier können weitere Härteschieber in den Freiraum 27 zwischen der Unterseite der Auflagerfläche 29 und dem Längssteg 22 eingesetzt werden.An in FIG. 3 represented inventive embodiment of the spring bar 21 is formed in two parts, as shown in the Fig. 4 is shown. The support surface 29 may also have surface recesses or, as shown, be equipped with a closed surface and the longitudinal web 22 may have in its end portions pin 24, which in pin receptacles 28 at the bottom the support surface 29 engage. The longitudinal web 22 may further consist of a different plastic material than the bearing surface 29. Also in this variant, it is possible, however, not shown in the drawing, to provide centrally of the longitudinal web 22 or symmetrically arranged intermediate webs to achieve a further reinforcement of the spring bar 21. Here too, further hardness slides can be inserted into the free space 27 between the underside of the support surface 29 and the longitudinal web 22.

Claims (6)

  1. Resilient slat (21) made of plastics material, or a mixture of plastics, which is intended for a slatted base of a piece of furniture for sitting or lying on, having plug-in ends, which can be introduced into accommodating pockets of end-point bearings arranged opposite one another on carrying members, having an upwardly directed bearing surface (29), from the underside of which at least one longitudinal crosspiece (22) extends downwards, wherein the longitudinal crosspiece (22) or the longitudinal crosspieces (22) is/are spaced apart from the underside of the bearing surface (29) and is/are connected thereto via intermediate crosspieces (23), so that a free space (27) is formed between the underside of the bearing surface (29) and the upper side of the longitudinal crosspiece (22), wherein the bearing surface (29) is formed as arching slightly upwards over its length, wherein the resilient slat (21) is of a multipart form, comprising components extending over the majority of its overall length to make up a solidly interconnected structural unit, wherein the multipart resilient slat (21) has a bearing surface (29) and a longitudinal crosspiece (22), and wherein the connection consists of a snap-in connection and at least the end intermediate crosspieces (23) are provided with notches (28) for catches (24) of the longitudinal crosspiece (22).
  2. Resilient slat according to Claim 1, characterized in that it has surface apertures in its bearing surface (29), and a plurality of surface apertures are formed one behind the other and/or one beside the other in the bearing surface (29), and intermediate crosspieces (23) extend to the longitudinal crosspieces (22) from the undersides of the bearing surfaces (29) remaining between said surface apertures.
  3. Resilient slat according to one of the preceding claims, characterized in that the surface apertures extend, with or without interruptions, from one plug-in end (25) to the other plug-in end (25), and the longitudinal crosspiece (22) extends continuously in rectilinear fashion in a horizontal plane.
  4. Resilient slat according to Claim 3, characterized in that intermediate crosspieces (23), which are arranged to run transversely centrally and/or eccentrically, connect the longitudinal crosspiece (22) to the bearing surface (29) of the resilient slat (21).
  5. Resilient slat according to one of the preceding claims, characterized in that the bearing surface (29) and the longitudinal crosspiece (22) are manufactured from different plastics materials.
  6. Resilient slat according to one of the preceding claims, characterized in that longitudinally displaceable hardness slides are inserted in a free space (27) between the underside of the bearing surface (29) and the upper side of the longitudinal crosspiece (22).
EP09008515.0A 2007-02-12 2008-02-08 Suspension spring made from plastic or a plastic composite Not-in-force EP2105068B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200720002219 DE202007002219U1 (en) 2007-02-12 2007-02-12 Plastic springy strip for a slatted frame on a piece of furniture like a seat or a reclining chair has plug-in ends to insert in holding pouches, a supporting surface and longitudinal stays
EP20080002393 EP1955613B1 (en) 2007-02-12 2008-02-08 Suspension spring made from plastic or a plastic composite

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP20080002393 Division EP1955613B1 (en) 2007-02-12 2008-02-08 Suspension spring made from plastic or a plastic composite
EP08002393.0 Division 2008-02-08

Publications (2)

Publication Number Publication Date
EP2105068A1 EP2105068A1 (en) 2009-09-30
EP2105068B1 true EP2105068B1 (en) 2013-10-09

Family

ID=38056491

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20080002393 Not-in-force EP1955613B1 (en) 2007-02-12 2008-02-08 Suspension spring made from plastic or a plastic composite
EP09008515.0A Not-in-force EP2105068B1 (en) 2007-02-12 2008-02-08 Suspension spring made from plastic or a plastic composite

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20080002393 Not-in-force EP1955613B1 (en) 2007-02-12 2008-02-08 Suspension spring made from plastic or a plastic composite

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EP (2) EP1955613B1 (en)
DE (1) DE202007002219U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007012580U1 (en) 2007-09-07 2007-11-22 Akpinar, Sennan Slatted bar
DE202008015963U1 (en) 2008-12-03 2009-03-12 Oke Group Gmbh Spring strip made of plastic for a slatted frame
BE1022380B1 (en) * 2014-03-17 2016-03-18 Custom8 Nv SLEEPING SYSTEM
US9839295B2 (en) 2014-04-24 2017-12-12 Ashley Furniture Industries, Inc. Drop in seat deck for furniture assemblies
DE202015106032U1 (en) * 2015-11-10 2016-10-12 Recticel Schlafkomfort Gmbh Spring strip for a seat or Liegemöbelunterfederung and spring suspension with at least one such spring bar

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE422717C (en) 1925-12-12 Bertha Kaiser Abdominal bandage in the form of a rodless corset
ES2000149A6 (en) * 1986-10-29 1987-12-16 Codima Spring mattress strip
WO1992006623A1 (en) 1990-10-11 1992-04-30 Iloma Automatisierungstechnik Gmbh Resilient frame made of synthetic material
DE4227187C1 (en) * 1992-08-17 1993-09-23 Lorenz Kunststofftechnik Gmbh, 48496 Hopsten, De Elastic plastic strip as slat in chair or recliner base - has ridges on underside spaced apart by troughs wider than tops incorporating reinforcements
DE9409812U1 (en) * 1994-06-17 1995-10-19 Hartmann Siegbert Device for adjusting the hardness of spring slats stored in a slatted bed base
ATE195229T1 (en) 1995-03-22 2000-08-15 Thomas Beteil & Vermoeg Gmbh SPRING BRIDGE FOR AN UNDER MATTRESS
DE102004049379A1 (en) 2004-10-09 2006-04-13 Börger, Herbert, Dr. Ing. Plastic border for slat grill of couch has springs disposed between upper and lower cover strips

Also Published As

Publication number Publication date
EP2105068A1 (en) 2009-09-30
EP1955613B1 (en) 2013-04-24
EP1955613A1 (en) 2008-08-13
DE202007002219U1 (en) 2007-05-10

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