EP3160304B1 - Modular seating device - Google Patents

Modular seating device Download PDF

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Publication number
EP3160304B1
EP3160304B1 EP15738848.9A EP15738848A EP3160304B1 EP 3160304 B1 EP3160304 B1 EP 3160304B1 EP 15738848 A EP15738848 A EP 15738848A EP 3160304 B1 EP3160304 B1 EP 3160304B1
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EP
European Patent Office
Prior art keywords
seat
foam
seating
backrest
recess
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EP15738848.9A
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German (de)
French (fr)
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EP3160304A1 (en
Inventor
Olaf Schroeder
Thomas Reichel
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Individual
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Individual
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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
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/14—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds changeable to beds by removing parts only
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C13/00—Convertible chairs, stools or benches
    • A47C13/005—Modular seating
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/42—Support for the head or the back for the back of detachable or loose type

Definitions

  • the invention relates to a seat device which comprises at least one seat element and at least one backrest element arranged at an angle thereto, wherein the backrest element is detachably fastened to the seat element by means of at least one connecting element.
  • Seating devices with a seat element and one or more backrest element are known in a variety of forms and designs (eg from the FR 2 282 247 A1 ).
  • the seat element forms the sitting or lying surface, while the backrest element serves to lean or support the person sitting or lying on it.
  • these seat devices have a substructure made of wood, plastic and / or metal, which is usually sprung in the region of the seat surface, wherein the substructure forms a kind of framework which gives stability and shape to the seat device.
  • the backrest elements are usually connected via the substructure fixed to the seat element. This has the disadvantage that the backrest elements can not be easily removed and replaced in the rule.
  • Such rigid seating devices are therefore not suitable for modular furniture systems in which it would be desirable if seat and back elements could be easily replaced and freely combined with each other.
  • Cold foam is usually referred to a foam, which is compared to conventional foam by a significantly increased elasticity characterized and produced without the application of heat.
  • the two main components of the cold foam are polyol and isocyanate. These two substances are mixed with water and various other additives and auxiliaries and subjected to a foaming process at relatively low temperatures.
  • cold foam In the production of cold foam preferably polyether is used in the base compound in place of the usual dialcohols. This results in larger pores, which provide even better ventilation properties and better permeability of moisture. In this process less heat must be added compared to the production of "hot foam” (hence the term “cold foam”). In contrast to conventional hot foam, no heat application is necessary after the foaming process in which the foam hardens. Cold foam, in contrast to the hot foam, has a relatively closed structure after the foaming process. For this reason, moisture can not penetrate into the cold foam block during curing and affect its properties. The advantage of this initially closed structure is that the cold foam - in contrast to the hot foam - can therefore be produced with significantly higher compression hardness. To give the cold foam after curing the necessary open porosity, the material is then rolled to open the cells. The resulting open porosity ensures that cold foam is permeable to air and breathable.
  • polyurethane foam has meanwhile become more and more popular in the production of upholstered furniture.
  • the seat cushions of many high-quality upholstered furniture now predominantly consist of cold foam.
  • Polyurethane foam adapts to the human body exactly and is "point elastic", ie the material is in more heavily loaded areas elastic and less loaded areas solid. Therefore, sitting and lying on it is very comfortable and ergonomic.
  • polyurethane foam is hypoallergenic because it stores only very little dust compared to other foams.
  • the recess comprises two areas, one of which extends in the vertical plane and the other in the horizontal plane through at least part of the seat element.
  • the connecting element can be held particularly stable and secure in the seat element be so that a displacement of the connecting element in either the horizontal or vertical direction is possible.
  • the two regions of the recess of the seat element can each be arranged close to the surface in at least one edge region of the seat element in order to optimally utilize the seat surface and to give the backrest element maximum stability.
  • the two regions of the recess of the seat element are arranged at least approximately at right angles to each other.
  • This embodiment allows, for example, the inclusion of an approximately L-shaped connecting element, which may be particularly suitable for certain seat devices according to the invention.
  • the seat element comprises a base body which consists entirely of foam, in particular cold foam.
  • This embodiment can be manufactured as a complete element in a single process step, without having to make and / or attach additional elements or components.
  • a high-quality seat device can be provided, which adapts to the human body exactly and is point elastic. The sitting / lying surface is very comfortable and ergonomic and hypoallergenic in this embodiment.
  • a polyurethane foam with a density between RG 30 and RG 80 for the seat element can be used according to the invention for example, a polyurethane foam with a density between RG 30 and RG 80 for the seat element.
  • foams with different densities for example a thicker layer RG 40 to which a thinner topcoat RG 50 is applied.
  • cold foams of the type 50/50 and / or 40/50 can be used according to the invention.
  • the seat element according to the invention it is further possible, for example, to use a PUR cold foam having a compression hardness between 2.0 (soft) to 5.0 (hard).
  • the seat element in particular in the area of the seat surface, can also comprise additional spring elements.
  • the backrest element comprises at least one recess which is provided for receiving a part of the connecting element.
  • the backrest element can simply be plugged onto an outstanding part of the connecting element from the seat element, wherein the connecting element is received in a form-fitting manner in the recess.
  • the connection of the seat element according to the invention with the backrest element or several backrest elements makes it possible to provide a modular seat device (or a modular seat furniture system) in which different seat elements can be freely combined with different backrest elements.
  • the seat device according to the invention can therefore be flexibly adapted to the needs and wishes of the user, wherein the connection of the individual elements without great effort and without tools is possible.
  • the recess of the backrest element can be arranged, for example, near the surface in an edge region of the backrest element.
  • the backrest element comprises a base body which consists entirely of foam, in particular cold foam.
  • This embodiment can be manufactured as a complete element in a single process step, without having to make and / or attach additional elements or components.
  • high-quality foams or high-quality cold foam can also provide a high-quality backrest element available which adapts to the human body exactly and is point elastic.
  • the support surface is very comfortable and ergonomic and hypoallergenic in this embodiment.
  • a polyurethane foam with a density of between RG 25 and RG 70 for the back element for example, a polyurethane foam with a density of between RG 25 and RG 70 for the back element.
  • foams with different densities for example a thicker layer RG 28 onto which a thinner top layer RG 40 is applied.
  • cold foams of the type 40/30 and / or 28/65 can be used.
  • a connecting element of the type mentioned above which comprises at least two legs which are arranged at least approximately at right angles to each other, wherein one of the legs for receiving in a region of the recess of the seat member and for receiving in the recess of the backrest element is.
  • the connecting element is preferably designed or dimensioned such that it can be easily introduced into the recesses and is held in a form-fitting manner in the recesses.
  • the seat device can therefore be adapted flexibly to the needs and wishes of the user.
  • the other leg is provided for receiving in another region of the recess of the seat member, so that a particularly stable connection between the seat element and backrest element (s) can be produced.
  • the two legs are plate-shaped and the connecting element as a whole has an approximately L-shaped cross-section.
  • the connecting element consists at least partially of wood and / or plastic.
  • “Foam” in the context of the invention is an artificially produced material with a cellular structure and low density, which is produced by foaming a plastic and which is compressible, d. H. by pressure, its volume can be significantly reduced.
  • Weight in the context of the invention is the weight of the material used per cubic meter. Unit of the volume weight is kilograms per cubic meter (kg / m 3 ).
  • Compressive hardness in the sense of the invention is the pressure that must act on the foam to compress it by 40% (65%, 25%) of the initial height. Unit of compressive strength is kilopascals (kPa). The higher the compressive strength of the foam, the firmer it is. The lower the compression hardness the lather, the less its ability to regain its original shape after loading.
  • FIG. 1 shows an example of a seat member 10 for a device according to the invention.
  • the seat member 10 comprises a cuboid base body 11, for example, completely or approximately completely made of foam, for example, cold foam, may exist.
  • the seat element 10 has three recesses 12, 13, 14, each comprising two areas 12.1, 12.2, 13.1, 13.2, 13.1, 13.2. In each case, an area 12.1, 13.1, 14.1 extends in the vertical plane of the base body 11 aligned as shown, while the respective other area 12.2, 13.2, 14.2 extends in the horizontal plane of the basic body 11 aligned as shown.
  • the vertical areas 12.1, 13.1, 14.1 and the horizontal areas 12.2, 13.2, 14.2 are each arranged approximately at right angles to each other, so that the recesses 12, 13, 14 are each L-shaped.
  • the recesses 12, 13, 14 or their areas 12.1, 12.2, 13.1, 13.2, 13.1, 13.2 are each arranged in the vicinity of the respective surface of the seat element 10 (ie "near the surface"). Alternatively, however, the recesses could in each case also be arranged partially or completely further inside or in the center of the main body 11.
  • the vertical areas 12.1, 13.1, 14.1 of the recesses 12, 13, 14 are each pocket-like, ie they are open only upwards on the sitting / lying surface 15 and down on the underside 16 and otherwise completely surrounded by the material of the base body 11 , while the horizontal portions 12.2, 13.2, 14.2 of the recesses 12, 13, 14 each have a trough-like, that are down to the bottom 16 open, formed.
  • the horizontal areas 12.2, 13.2, 14.2 but also on the bottom 16 could be partially or completely covered by the material of the base body 11, where they would then be open only at the transition to the respective vertical areas 12.1, 13.1, 14.1.
  • the recesses 12, 13, 14 serve to receive the connecting elements according to the invention. This is related to the Figures 3 and 4 Described in detail below.
  • FIG. 2 shows an exemplary backrest element 20 for a device according to the invention.
  • the backrest element 20 comprises an angled base body 21, which has a long leg 22 and a short leg 23.
  • the main body 21 may be completely or approximated completely Foam, for example cold foam, exist.
  • the backrest element 20 has three recesses 24, 25, 26, which are each formed pocket-like, ie they are open only at the bottom bottom 27 and otherwise completely surrounded by the material of the base body 21.
  • the recesses 24, 25, 26 are each disposed in the vicinity of the respective surface of the back element 20 (ie, "near the surface"). Alternatively, however, the recesses could in each case also be arranged partially or completely further inside or in the center of the main body 21.
  • the recesses 24, 25, 26 serve to receive the connecting elements according to the invention. This is related to the Figures 3 and 4 explained in more detail below.
  • FIG. 3 shows the exemplary backrest element 20 according to FIG. 2 and the exemplary seat member 10 according to FIG. 1 with inserted connecting elements 30.
  • the connecting elements 30 are each seated in a form-fitting manner in the recesses 12, 13, 14 of the seat element 10, wherein the respective longer leg 31 of the connecting elements 30 within the vertical portions 12.1, 13.1, 14.1 of the recesses 12, 13, 14 and each shorter leg 32 of the connecting elements 30 within the horizontal portions 12.2, 13.2, 14.2 of the recesses 12, 13, 14 is arranged.
  • a part 33 of the connecting elements 30 projects in each case upward on the sitting / lying surface 15 out of the seat element 10.
  • the backrest element 20 is simply attached, wherein the parts 33 of the connecting elements 30 are each positively received in the recesses 24, 25, 26 of the back element 20. Since the connecting elements 30 are each adapted to the recesses 12, 13, 14 of the seat member 10 and the recesses 24, 25, 26 of the backrest element 20 with respect to their shape and dimensions or strength and are thus held in this form-fitting manner, the connecting elements 30 sit particularly stable and secure both in the seat element 10 and in the backrest element 20, so that a displacement of the connecting element is possible neither in the horizontal nor in the vertical direction.
  • FIG. 4 shows an exemplary embodiment of a device 40 according to the invention in an assembled form.
  • the connection of the Backrest element 20 with the seat element 10 has already been described above with reference to FIG FIG. 3 described in detail.
  • the connecting elements 30 according to the invention the seat member 10 is stably connected to the backrest element 20, wherein the joining of the individual elements without great effort is possible without tools.
  • the seat device 40 according to the invention can therefore be flexibly adapted to the needs and wishes of the user.
  • FIG. 5 shows a perspective view of two exemplary embodiments of a connecting element according to the invention, wherein both connecting elements 50, 60 are L-shaped and a longer leg 51, 61 and a shorter leg 52, 62 include.
  • the respective longer leg 51, 61 of the connecting elements 50, 60 is provided for receiving in a region of the recess of a seat member and for receiving in the recess of a backrest element.
  • the connecting elements 50, 60 as is clear by the different length legs 51 and 61, be adapted to the dimensions of the seat and backrest elements.
  • L-shaped connecting elements however, these can also have any other form adapted to the respective recesses. For example, sword or plate-shaped connecting elements can be used.

Description

Hintergrundbackground

Die Erfindung betrifft eine Sitzvorrichtung, die mindestens ein Sitzelement und mindestens ein hierzu abgewinkelt angeordnetes Lehnenelement umfasst, wobei das Lehnenelement mittels mindestens eines Verbindungselements lösbar an dem Sitzelement befestigt ist.The invention relates to a seat device which comprises at least one seat element and at least one backrest element arranged at an angle thereto, wherein the backrest element is detachably fastened to the seat element by means of at least one connecting element.

Stand der TechnikState of the art

Sitzvorrichtungen mit einem Sitzelement und einem oder mehreren Lehnenelement(en) (z. B. Rücken- und/oder Armlehne) sind in vielfältiger Form und Ausführung bekannt (z.B. von der FR 2 282 247 A1 ). Das Sitzelement bildet dabei die Sitz- oder Liegefläche, während das Lehnenelement dem Anlehnen oder Abstützen der darauf sitzenden oder liegenden Person dient. Häufig weisen diese Sitzvorrichtungen eine, im Bereich der Sitzfläche meist gefederte, Unterkonstruktion aus Holz, Kunststoff und/oder Metall auf, wobei die Unterkonstruktion eine Art Gerüst bildet, das der Sitzvorrichtung Stabilität und Form verleiht. Die Lehnenelemente sind dabei zumeist über die Unterkonstruktion fest mit dem Sitzelement verbunden. Das hat den Nachteil, dass die Lehnenelemente in der Regel nicht auf einfache Weise entfernt und ausgetauscht werden können. Solche starren Sitzvorrichtungen eignen sich daher nicht für modulare Möbelsysteme, bei denen es wünschenswert wäre, wenn Sitz- und Lehnenelemente leicht ausgetauscht und frei miteinander kombiniert werden könnten.Seating devices with a seat element and one or more backrest element (s) (eg backrest and / or armrest) are known in a variety of forms and designs (eg from the FR 2 282 247 A1 ). The seat element forms the sitting or lying surface, while the backrest element serves to lean or support the person sitting or lying on it. Frequently, these seat devices have a substructure made of wood, plastic and / or metal, which is usually sprung in the region of the seat surface, wherein the substructure forms a kind of framework which gives stability and shape to the seat device. The backrest elements are usually connected via the substructure fixed to the seat element. This has the disadvantage that the backrest elements can not be easily removed and replaced in the rule. Such rigid seating devices are therefore not suitable for modular furniture systems in which it would be desirable if seat and back elements could be easily replaced and freely combined with each other.

Als "Kaltschaum" wird üblicherweise ein Schaumstoff bezeichnet, der sich gegenüber herkömmlichem Schaumstoff durch eine deutlich erhöhte Elastizität auszeichnet und ohne die Anwendung von Hitze hergestellt wird. Die beiden Hauptbestandteile des Kaltschaums sind Polyol und Isocyanat. Diese beiden Stoffe werden mit Wasser und verschiedenen weiteren Zusatz- und Hilfsstoffen vermischt und bei relativ geringen Temperaturen einem Schäumungsprozess unterzogen. Kaltschaum ist ein Polyetherschaumstoff (Polyurethan = PUR), der sich im Gegensatz zum Standardschaumstoff als so genannter HR-Schaumstoff (HR= High Resilent = hochelastisch) bei veränderter Rezeptur durch eine unregelmäßige, grobe Porenstruktur auszeichnet, die offenzellig ist und daher hohe Luftdurchlässigkeit und ein angenehmes Sitz- und Schlafklima sowie hohe Elastizität aufweist. Bei der Herstellung von Kaltschaum wird in der Grundverbindung bevorzugt Polyether anstelle der üblichen Dialkohole verwendet. So entstehen größere Poren, die für noch bessere Lüftungseigenschaften sowie bessere Durchlässigkeit von Feuchtigkeit sorgen. Bei diesem Prozess muss im Vergleich zur Herstellung von "Heißschaum" weniger Wärme zugesetzt werden (daher der Begriff "Kaltschaum"). Im Gegensatz zum herkömmlichen Heißschaum ist nach dem Schäumungsprozess keine Hitzeanwendung nötig, in der der Schaum aushärtet. Kaltschaum weist - im Gegensatz zum Heißschaum - nach dem Schäumungsprozess eine relativ geschlossene Struktur auf. Aus diesem Grund kann während des Aushärtens keine Feuchtigkeit in den Kaltschaumblock eindringen und dessen Eigenschaften beeinflussen. Vorteil dieser anfangs geschlossenen Struktur ist, dass der Kaltschaum - im Gegensatz zum Heißschaum - daher mit wesentlich höherer Stauchhärte produziert werden kann. Um dem Kaltschaum nach der Aushärtung die nötige Offenporigkeit zu verleihen, wird das Material anschließend gewalzt, um die Zellen zu öffnen. Die nun entstehende Offenporigkeit sorgt dafür, dass Kaltschaum luftdurchlässig und atmungsaktiv ist.As "cold foam" is usually referred to a foam, which is compared to conventional foam by a significantly increased elasticity characterized and produced without the application of heat. The two main components of the cold foam are polyol and isocyanate. These two substances are mixed with water and various other additives and auxiliaries and subjected to a foaming process at relatively low temperatures. Cold foam is a Polyetherschaumstoff (polyurethane = PUR), which in contrast to the standard foam as so-called HR foam (HR = High Resilent = highly elastic) is characterized by an irregular, coarse pore structure with changed composition, which is open-celled and therefore high air permeability and a pleasant sitting and sleeping environment and high elasticity. In the production of cold foam preferably polyether is used in the base compound in place of the usual dialcohols. This results in larger pores, which provide even better ventilation properties and better permeability of moisture. In this process less heat must be added compared to the production of "hot foam" (hence the term "cold foam"). In contrast to conventional hot foam, no heat application is necessary after the foaming process in which the foam hardens. Cold foam, in contrast to the hot foam, has a relatively closed structure after the foaming process. For this reason, moisture can not penetrate into the cold foam block during curing and affect its properties. The advantage of this initially closed structure is that the cold foam - in contrast to the hot foam - can therefore be produced with significantly higher compression hardness. To give the cold foam after curing the necessary open porosity, the material is then rolled to open the cells. The resulting open porosity ensures that cold foam is permeable to air and breathable.

Nachdem Polyurethanschaum früher fast ausschließlich im Zusammenhang mit der Herstellung von Matratzen bekannt war, wird er mittlerweile immer häufiger auch in der Fertigung von Polstermöbeln verwendet. Die Sitzpolster vieler hochwertiger Polstermöbel bestehen mittlerweile überwiegend aus Kaltschaum. Polyurethanschaum passt sich dem menschlichen Körper exakt an und ist "punktelastisch", d. h. das Material wird in stärker belasteten Bereichen elastischer und in geringer belasteten Bereichen fester. Daher sitzt und liegt man darauf sehr bequem und ergonomisch. Darüber hinaus ist Polyurethanschaum hypoallergen, da er im Vergleich zu anderen Schaumstoffen nur sehr wenig Staub einlagert.Formerly known almost exclusively in connection with the production of mattresses, polyurethane foam has meanwhile become more and more popular in the production of upholstered furniture. The seat cushions of many high-quality upholstered furniture now predominantly consist of cold foam. Polyurethane foam adapts to the human body exactly and is "point elastic", ie the material is in more heavily loaded areas elastic and less loaded areas solid. Therefore, sitting and lying on it is very comfortable and ergonomic. In addition, polyurethane foam is hypoallergenic because it stores only very little dust compared to other foams.

Zusammenfassung der ErfindungSummary of the invention

Es ist Aufgabe der Erfindung, eine Sitzvorrichtung für ein modulares Möbelsystem zu schaffen, bei dem das Sitzelement und das oder die Lehnenelement(e) einfach voneinander getrennt und wieder miteinander verbunden werden können.It is an object of the invention to provide a seat device for a modular furniture system in which the seat element and the one or more backrest element (s) can be easily separated from each other and reconnected.

Die Aufgabe wird erfindungsgemäß durch eine Sitzvorrichtung gemäß Anspruch 1 gelöst. Nach der Erfindung ist vorgesehen, dass die Ausnehmung zwei Bereiche umfasst, von denen sich einer in vertikaler Ebene und der andere in horizontaler Ebene durch mindestens einen Teil des Sitzelements erstreckt. Auf diese besonders vorteilhafte Weise kann das Verbindungselement besonders stabil und sicher im Sitzelement gehalten werden, so dass ein Verschieben des Verbindungselements weder in horizontaler noch in vertikaler Richtung möglich ist.The object is achieved by a seat device according to claim 1. According to the invention, it is provided that the recess comprises two areas, one of which extends in the vertical plane and the other in the horizontal plane through at least part of the seat element. In this particularly advantageous manner, the connecting element can be held particularly stable and secure in the seat element be so that a displacement of the connecting element in either the horizontal or vertical direction is possible.

Die beiden Bereiche der Ausnehmung des Sitzelements können jeweils oberflächennah in mindestens einem Randbereich des Sitzelements angeordnet sein, um die Sitzfläche optimal auszunutzen und dem Lehnenelement maximale Stabilität zu verleihen.The two regions of the recess of the seat element can each be arranged close to the surface in at least one edge region of the seat element in order to optimally utilize the seat surface and to give the backrest element maximum stability.

In einem weiteren vorteilhaften Ausführungsbeispiel der Erfindung ist vorgesehen, dass die beiden Bereiche der Ausnehmung des Sitzelements zumindest annähernd rechtwinklig zueinander angeordnet sind. Diese Ausführungsform ermöglicht beispielsweise die Aufnahme eines annähernd L-förmigen Verbindungselements, das für bestimmte erfindungsgemäße Sitzvorrichtungen besonders geeignet sein kann.In a further advantageous embodiment of the invention, it is provided that the two regions of the recess of the seat element are arranged at least approximately at right angles to each other. This embodiment allows, for example, the inclusion of an approximately L-shaped connecting element, which may be particularly suitable for certain seat devices according to the invention.

In einem weiteren vorteilhaften Ausführungsbeispiel der Erfindung ist vorgesehen, dass das Sitzelement einen Grundkörper umfasst, der vollständig aus Schaumstoff, insbesondere Kaltschaum, besteht. Diese Ausführungsform kann in einem einzigen Verfahrensschritt als komplettes Element hergestellt werden, ohne dass zusätzliche Elemente oder Komponenten angefertigt und/oder angebracht werden müssen. Bei der Verwendung von hochwertigen Schaumstoffen bzw. hochwertigem Kaltschaum kann darüber hinaus eine hochwertige Sitzvorrichtung zur Verfügung gestellt werden, die sich dem menschlichen Körper exakt anpasst und punktelastisch ist. Die Sitz-/Liegefläche ist bei dieser Ausführungsform sehr bequem und ergonomisch sowie hypoallergen.In a further advantageous embodiment of the invention it is provided that the seat element comprises a base body which consists entirely of foam, in particular cold foam. This embodiment can be manufactured as a complete element in a single process step, without having to make and / or attach additional elements or components. When using high-quality foams or high-quality cold foam in addition, a high-quality seat device can be provided, which adapts to the human body exactly and is point elastic. The sitting / lying surface is very comfortable and ergonomic and hypoallergenic in this embodiment.

Es kann für das Sitzelement erfindungsgemäß beispielsweise ein PUR-Kaltschaum mit einem Raumgewicht zwischen RG 30 und RG 80 verwendet werden. Es kann aber auch eine Kombination von Schäumen mit unterschiedlichen Raumgewichten eingesetzt werden, beispielsweise eine dickere Schicht RG 40, auf die eine dünnere Deckschicht RG 50 aufgebracht ist. Beispielsweise können erfindungsgemäß Kaltschäume des Typs 50/50 und/oder 40/50 verwendet werden.It can be used according to the invention for example, a polyurethane foam with a density between RG 30 and RG 80 for the seat element. However, it is also possible to use a combination of foams with different densities, for example a thicker layer RG 40 to which a thinner topcoat RG 50 is applied. For example, cold foams of the type 50/50 and / or 40/50 can be used according to the invention.

Es kann für das Sitzelement erfindungsgemäß ferner beispielsweise ein PUR-Kaltschaum mit einer Stauchhärte zwischen 2,0 (weich) bis 5,0 (hart) verwendet werden.For the seat element according to the invention it is further possible, for example, to use a PUR cold foam having a compression hardness between 2.0 (soft) to 5.0 (hard).

Um den Sitz- und/oder Liegekomfort zusätzlich zu verbessern, kann das Sitzelement, insbesondere im Bereich der Sitzfläche, auch zusätzliche Federelemente umfassen.In order to additionally improve the sitting and / or lying comfort, the seat element, in particular in the area of the seat surface, can also comprise additional spring elements.

In einem weiteren vorteilhaften Ausführungsbeispiel der Erfindung ist vorgesehen, dass das Lehnenelement mindestens eine Ausnehmung umfasst, die zur Aufnahme eines Teils des Verbindungselements vorgesehen ist. Hierdurch kann das Lehnenelement einfach auf einen aus dem Sitzelement hervorragenden Teil des Verbindungselements aufgesteckt werden, wobei das Verbindungselement in der Ausnehmung formschlüssig aufgenommen wird. Die erfindungsgemäße Verbindung des Sitzelements mit dem Lehnenelement oder mehreren Lehnenelementen ermöglicht das Bereitstellen einer modularen Sitzvorrichtung (bzw. eines modularen Sitzmöbelsystems), bei der verschiedene Sitzelemente frei mit unterschiedlichen Lehnenelementen kombiniert werden können. Die erfindungsgemäße Sitzvorrichtung kann also flexibel an die Bedürfnisse und Wünsche der Benutzer angepasst werden, wobei das Verbinden der einzelnen Elemente ohne großen Aufwand und werkzeuglos möglich ist. Die Ausnehmung des Lehnenelements kann beispielsweise oberflächennah in einem Randbereich des Lehnenelements angeordnet sein.In a further advantageous embodiment of the invention it is provided that the backrest element comprises at least one recess which is provided for receiving a part of the connecting element. As a result, the backrest element can simply be plugged onto an outstanding part of the connecting element from the seat element, wherein the connecting element is received in a form-fitting manner in the recess. The connection of the seat element according to the invention with the backrest element or several backrest elements makes it possible to provide a modular seat device (or a modular seat furniture system) in which different seat elements can be freely combined with different backrest elements. The seat device according to the invention can therefore be flexibly adapted to the needs and wishes of the user, wherein the connection of the individual elements without great effort and without tools is possible. The recess of the backrest element can be arranged, for example, near the surface in an edge region of the backrest element.

In einem weiteren vorteilhaften Ausführungsbeispiel der Erfindung ist vorgesehen, dass das Lehnenelement einen Grundkörper umfasst, der vollständig aus Schaumstoff, insbesondere Kaltschaum, besteht. Diese Ausführungsform kann in einem einzigen Verfahrensschritt als komplettes Element hergestellt werden, ohne dass zusätzliche Elemente oder Komponenten angefertigt und/oder angebracht werden müssen. Bei der Verwendung von hochwertigen Schaumstoffen bzw. hochwertigem Kaltschaum kann darüber hinaus ein hochwertiges Lehnenelement zur Verfügung gestellt werden, das sich dem menschlichen Körper exakt anpasst und punktelastisch ist. Die Stützfläche ist bei dieser Ausführungsform sehr bequem und ergonomisch sowie hypoallergen.In a further advantageous embodiment of the invention it is provided that the backrest element comprises a base body which consists entirely of foam, in particular cold foam. This embodiment can be manufactured as a complete element in a single process step, without having to make and / or attach additional elements or components. When using high-quality foams or high-quality cold foam can also provide a high-quality backrest element available which adapts to the human body exactly and is point elastic. The support surface is very comfortable and ergonomic and hypoallergenic in this embodiment.

Es kann für das Lehnenelement erfindungsgemäß beispielsweise ein PUR-Kaltschaum mit einem Raumgewicht zwischen RG 25 und RG 70 verwendet werden. Es kann aber auch eine Kombination von Schäumen mit unterschiedlichen Raumgewichten eingesetzt werden, beispielsweise eine dickere Schicht RG 28, auf die eine dünnere Deckschicht RG 40 aufgebracht ist. Beispielsweise können erfindungsgemäß Kaltschäume des Typs 40/30 und/oder 28/65 verwendet werden.It can be used according to the invention, for example, a polyurethane foam with a density of between RG 25 and RG 70 for the back element. However, it is also possible to use a combination of foams with different densities, for example a thicker layer RG 28 onto which a thinner top layer RG 40 is applied. For example, according to the invention cold foams of the type 40/30 and / or 28/65 can be used.

Es kann für das Lehnenelement erfindungsgemäß ferner beispielsweise ein PUR-Kaltschaum mit einer Stauchhärte zwischen 2,0 (weich) bis 5,0 (hart) verwendet werden.It can be used for the back element according to the invention further example, a polyurethane foam with a compression hardness between 2.0 (soft) to 5.0 (hard).

Die Aufgabe wird erfindungsgemäß ferner durch ein Verbindungselement der eingangs genannten Art gelöst, welches mindestens zwei Schenkel umfasst, die zumindest annähernd rechtwinklig zueinander angeordnet sind, wobei einer der Schenkel zur Aufnahme in einen Bereich der Ausnehmung des Sitzelements und zur Aufnahme in die Ausnehmung des Lehnenelements vorgesehen ist. Das Verbindungselement ist vorzugsweise derart ausgebildet bzw. dimensioniert, dass es einfach in die Ausnehmungen eingebracht werden kann und in den Ausnehmungen formschlüssig gehalten wird. Durch das erfindungsgemäße Verbindungselement kann das Sitzelement mit dem Lehnenelement oder mehreren Lehnenelementen stabil verbunden werden, wobei das Verbinden der einzelnen Elemente ohne großen Aufwand und Weise werkzeuglos möglich ist. Es entsteht hierdurch eine modulare Sitzvorrichtung (bzw. ein modulares Sitzmöbelsystem), bei der verschiedene Sitzelemente frei mit unterschiedlichen Lehnenelementen kombiniert werden können. Die erfindungsgemäße Sitzvorrichtung kann also flexibel an die Bedürfnisse und Wünsche der Benutzer angepasst werden. Nach der Erfindung ist vorgesehen, dass der andere Schenkel zur Aufnahme in einen anderen Bereich der Ausnehmung des Sitzelements vorgesehen ist, so dass eine besonders stabile Verbindung zwischen Sitzelement und Lehnenelement(en) herstellbar ist.The object is further achieved by a connecting element of the type mentioned above, which comprises at least two legs which are arranged at least approximately at right angles to each other, wherein one of the legs for receiving in a region of the recess of the seat member and for receiving in the recess of the backrest element is. The connecting element is preferably designed or dimensioned such that it can be easily introduced into the recesses and is held in a form-fitting manner in the recesses. By means of the connecting element according to the invention, the seat element can be stably connected to the backrest element or a plurality of backrest elements, it being possible to connect the individual elements without great effort and without tools. This results in a modular seating device (or a modular seating furniture system) in which various seat elements can be freely combined with different backrest elements. The seat device according to the invention can therefore be adapted flexibly to the needs and wishes of the user. According to the invention it is provided that the other leg is provided for receiving in another region of the recess of the seat member, so that a particularly stable connection between the seat element and backrest element (s) can be produced.

In einem vorteilhaften Ausführungsbeispiel der Erfindung ist vorgesehen, dass die beiden Schenkel plattenförmig ausgebildet sind und das Verbindungselement insgesamt einen annährend L-förmigen Querschnitt aufweist.In an advantageous embodiment of the invention it is provided that the two legs are plate-shaped and the connecting element as a whole has an approximately L-shaped cross-section.

In einem weiteren vorteilhaften Ausführungsbeispiel der Erfindung ist vorgesehen, dass das Verbindungselement zumindest teilweise aus Holz und/oder Kunststoff besteht.In a further advantageous embodiment of the invention it is provided that the connecting element consists at least partially of wood and / or plastic.

"Schaumstoff" im Sinne der Erfindung ist ein künstlich hergestelltes Material mit zelliger Struktur und niedriger Dichte, das durch Schäumen eines Kunststoffes hergestellt wird und das komprimierbar ist, d. h. durch Druck kann sein Volumen deutlich verkleinert werden."Foam" in the context of the invention is an artificially produced material with a cellular structure and low density, which is produced by foaming a plastic and which is compressible, d. H. by pressure, its volume can be significantly reduced.

"Kaltschaum" im Sinne der Erfindung ist ein Polyetherschaumstoff (Polyurethan = PUR), bei dessen Herstellung in der Grundverbindung Polyether anstelle von Dialkoholen verwendet wird, so dass größere Poren im Material entstehen, die eine erhöhte Durchlässigkeit von Luft und Feuchtigkeit sowie eine höhere Elastizität bewirken."Cold foam" in the context of the invention is a polyether foam (polyurethane = PUR), in the preparation of which polyether is used in place of dialcohols, so that larger pores are formed in the material, which cause increased permeability of air and moisture and a higher elasticity ,

"Raumgewicht" (= RG) im Sinne der Erfindung ist das Gewicht des verwendeten Materials pro Kubikmeter. Einheit des Raumgewichts ist Kilogramm pro Kubikmeter (kg/m3)."Gravity" (= RG) in the context of the invention is the weight of the material used per cubic meter. Unit of the volume weight is kilograms per cubic meter (kg / m 3 ).

"Stauchhärte" im Sinne der Erfindung ist der Druck, der auf den Schaum einwirken muss, um ihn um 40% (65%, 25%) der Ausgangshöhe zusammenzudrücken. Einheit der Stauchhärte ist Kilopascal (kPa). Je höher die Stauchhärte des Schaums ist, desto fester ist er. Je geringer die Stauchhärte des Schaums ist, desto geringer seine Fähigkeit, nach Belastung wieder die ursprüngliche Form anzunehmen."Compressive hardness" in the sense of the invention is the pressure that must act on the foam to compress it by 40% (65%, 25%) of the initial height. Unit of compressive strength is kilopascals (kPa). The higher the compressive strength of the foam, the firmer it is. The lower the compression hardness the lather, the less its ability to regain its original shape after loading.

Die Erfindung wird im Weiteren anhand der Abbildungen beispielhaft näher erläutert.The invention will be explained in more detail below with reference to the figures.

Kurze Beschreibung der AbbildungenBrief description of the illustrations

  • Figur 1 zeigt eine perspektivische Ansicht eines beispielhaften Sitzelements der erfindungsgemäßen Vorrichtung;
    1. A) Außenansicht und
    2. B) Transparente Ansicht.
     FIG. 1 shows a perspective view of an exemplary seat member of the device according to the invention;
    1. A) outside view and
    2. B) Transparent view.
  • Figur 2 zeigt eine perspektivische Ansicht eines beispielhaften Lehnenelements der erfindungsgemäßen Vorrichtung;
    1. A) Außenansicht und
    2. B) Transparente Ansicht.
     FIG. 2 shows a perspective view of an exemplary backrest element of the device according to the invention;
    1. A) outside view and
    2. B) Transparent view.
  • Figur 3 zeigt eine perspektivische Ansicht eines beispielhaften Lehnenelements und eines beispielhaften Sitzelements mit eingesetzten Verbindungselementen;
    1. A) Außenansicht und
    2. B) Transparente Ansicht.
     FIG. 3 shows a perspective view of an exemplary backrest element and an exemplary seat member with inserted fasteners;
    1. A) outside view and
    2. B) Transparent view.
  • Figur 4 zeigt eine perspektivische Ansicht einer zusammengesetzten beispielhaften Ausführungsform der erfindungsgemäßen Vorrichtung;
    1. A) Außenansicht und
    2. B) Transparente Ansicht.
     FIG. 4 shows a perspective view of a composite exemplary embodiment of the device according to the invention;
    1. A) outside view and
    2. B) Transparent view.
  • Figur 5 zeigt eine perspektivische Ansicht zweier beispielhafter Ausführungsformen eines erfindungsgemäßen Verbindungselements;
    1. A) Ausführungsform für Standard-Lehnenelement und
    2. B) Ausführungsform für hohes Lehnenelement .
     FIG. 5 shows a perspective view of two exemplary embodiments of a connecting element according to the invention;
    1. A) embodiment for standard backrest element and
    2. B) embodiment for high backrest element.
Beschreibung bevorzugter und beispielhafter Ausführungsformen der ErfindungDescription of preferred and exemplary embodiments of the invention

Figur 1 zeigt ein Beispiel eines Sitzelements 10 für eine erfindungsgemäße Vorrichtung. Das Sitzelement 10 umfasst einen quaderförmigen Grundkörper 11, der beispielsweise vollständig oder annähern vollständig aus Schaumstoff, beispielsweise Kaltschaum, bestehen kann. Das Sitzelement 10 weist drei Ausnehmungen 12, 13, 14 auf, die jeweils zwei Bereiche 12.1, 12.2, 13.1, 13.2, 13.1, 13.2 umfassen. Jeweils ein Bereich 12.1, 13.1, 14.1 erstreckt sich dabei in der vertikalen Ebene des wie dargestellt ausgerichteten Grundkörpers 11, während sich der jeweils andere Bereich 12.2, 13.2, 14.2 in der horizontalen Ebene des wie dargestellt ausgerichteten Grundkörpers 11 erstreckt. Die vertikalen Bereiche 12.1, 13.1, 14.1 und die horizontalen Bereiche 12.2, 13.2, 14.2 sind jeweils annähernd rechtwinklig zueinander angeordnet, so dass die Ausnehmungen 12, 13, 14 jeweils L-förmig ausgebildet sind. Die Ausnehmungen 12, 13, 14 bzw. deren Bereiche 12.1, 12.2, 13.1, 13.2, 13.1, 13.2 sind jeweils in der Nähe der jeweiligen Oberfläche des Sitzelements 10 (d. h. "oberflächennah") angeordnet. Alternativ könnten die Ausnehmungen jeweils aber auch teilweise oder vollständig weiter innerhalb oder mittig im Grundkörper 11 angeordnet sein. Die vertikalen Bereiche 12.1, 13.1, 14.1 der Ausnehmungen 12, 13, 14 sind jeweils taschenartig ausgebildet, d. h. sie sind nur nach oben an der Sitz-/Liegefläche 15 sowie nach unten an der Unterseite 16 offen und ansonsten vom Material des Grundkörpers 11 vollständig umschlossen, während die horizontalen Bereiche 12.2, 13.2, 14.2 der Ausnehmungen 12, 13, 14 jeweils eher muldenartig, d. h. nach unten an der Unterseite 16 offen, ausgebildet sind. Alternativ könnten die horizontalen Bereiche 12.2, 13.2, 14.2 jeweils aber auch an der Unterseite 16 teilweise oder vollständig vom Material des Grundkörpers 11 abgedeckt sein, wobei sie dann nur am Übergang zu den jeweiligen vertikalen Bereichen 12.1, 13.1, 14.1 offen wären. Die Ausnehmungen 12, 13, 14 dienen der Aufnahme der erfindungsgemäßen Verbindungselemente. Dies ist im Zusammenhang mit den Figuren 3 und 4 unten eingehend beschrieben. FIG. 1 shows an example of a seat member 10 for a device according to the invention. The seat member 10 comprises a cuboid base body 11, for example, completely or approximately completely made of foam, for example, cold foam, may exist. The seat element 10 has three recesses 12, 13, 14, each comprising two areas 12.1, 12.2, 13.1, 13.2, 13.1, 13.2. In each case, an area 12.1, 13.1, 14.1 extends in the vertical plane of the base body 11 aligned as shown, while the respective other area 12.2, 13.2, 14.2 extends in the horizontal plane of the basic body 11 aligned as shown. The vertical areas 12.1, 13.1, 14.1 and the horizontal areas 12.2, 13.2, 14.2 are each arranged approximately at right angles to each other, so that the recesses 12, 13, 14 are each L-shaped. The recesses 12, 13, 14 or their areas 12.1, 12.2, 13.1, 13.2, 13.1, 13.2 are each arranged in the vicinity of the respective surface of the seat element 10 (ie "near the surface"). Alternatively, however, the recesses could in each case also be arranged partially or completely further inside or in the center of the main body 11. The vertical areas 12.1, 13.1, 14.1 of the recesses 12, 13, 14 are each pocket-like, ie they are open only upwards on the sitting / lying surface 15 and down on the underside 16 and otherwise completely surrounded by the material of the base body 11 , while the horizontal portions 12.2, 13.2, 14.2 of the recesses 12, 13, 14 each have a trough-like, that are down to the bottom 16 open, formed. Alternatively, the horizontal areas 12.2, 13.2, 14.2 but also on the bottom 16 could be partially or completely covered by the material of the base body 11, where they would then be open only at the transition to the respective vertical areas 12.1, 13.1, 14.1. The recesses 12, 13, 14 serve to receive the connecting elements according to the invention. This is related to the Figures 3 and 4 Described in detail below.

Figur 2 zeigt ein beispielhaftes Lehnenelement 20 für eine erfindungsgemäße Vorrichtung. Das Lehnenelement 20 umfasst einen abgewinkelten Grundkörper 21, der einen langen Schenkel 22 und einen kurzen Schenkel 23 aufweist. Der Grundkörper 21 kann beispielsweise vollständig oder annähern vollständig aus Schaumstoff, beispielsweise Kaltschaum, bestehen. Das Lehnenelement 20 weist drei Ausnehmungen 24, 25, 26 auf, die jeweils taschenartig ausgebildet sind, d. h. sie sind nur nach unten an der Unterseite 27 offen und ansonsten vom Material des Grundkörpers 21 vollständig umschlossen. Die Ausnehmungen 24, 25, 26 sind jeweils in der Nähe der jeweiligen Oberfläche des Lehnenelements 20 (d. h. "oberflächennah") angeordnet. Alternativ könnten die Ausnehmungen jeweils aber auch teilweise oder vollständig weiter innerhalb oder mittig im Grundkörper 21 angeordnet sein. Die Ausnehmungen 24, 25, 26 dienen der Aufnahme der erfindungsgemäßen Verbindungselemente. Dies ist im Zusammenhang mit den Figuren 3 und 4 nachstehend näher erläutert. FIG. 2 shows an exemplary backrest element 20 for a device according to the invention. The backrest element 20 comprises an angled base body 21, which has a long leg 22 and a short leg 23. For example, the main body 21 may be completely or approximated completely Foam, for example cold foam, exist. The backrest element 20 has three recesses 24, 25, 26, which are each formed pocket-like, ie they are open only at the bottom bottom 27 and otherwise completely surrounded by the material of the base body 21. The recesses 24, 25, 26 are each disposed in the vicinity of the respective surface of the back element 20 (ie, "near the surface"). Alternatively, however, the recesses could in each case also be arranged partially or completely further inside or in the center of the main body 21. The recesses 24, 25, 26 serve to receive the connecting elements according to the invention. This is related to the Figures 3 and 4 explained in more detail below.

Figur 3 zeigt das beispielhafte Lehnenelement 20 gemäß Figur 2 und das beispielhafte Sitzelement 10 gemäß Figur 1 mit eingesetzten Verbindungselementen 30. Die Verbindungselemente 30 sitzen jeweils formschlüssig in den Ausnehmungen 12, 13, 14 des Sitzelements 10, wobei der jeweils längere Schenkel 31 der Verbindungselemente 30 innerhalb der vertikalen Bereiche 12.1, 13.1, 14.1 der Ausnehmungen 12, 13, 14 und der jeweils kürzere Schenkel 32 der Verbindungselemente 30 innerhalb der horizontalen Bereiche 12.2, 13.2, 14.2 der Ausnehmungen 12, 13, 14 angeordnet ist. Ein Teil 33 der Verbindungselemente 30 ragt jeweils nach oben an der Sitz-/Liegefläche 15 aus dem Sitzelement 10 heraus. Auf diese Teile 33 wird das Lehnenelement 20 einfach aufgesteckt, wobei die Teile 33 der Verbindungselemente 30 jeweils formschlüssig in die Ausnehmungen 24, 25, 26 des Lehnenelements 20 aufgenommen werden. Da die Verbindungselemente 30 jeweils bezüglich ihrer Form und Dimensionen bzw. Stärke an die Ausnehmungen 12, 13, 14 des Sitzelements 10 sowie die Ausnehmungen 24, 25, 26 des Lehnenelements 20 angepasst sind und somit in diesen formschlüssig gehalten werden, sitzen die Verbindungselemente 30 besonders stabil und sicher sowohl im Sitzelement 10 als auch im Lehnenelement 20, so dass ein Verschieben des Verbindungselements weder in horizontaler noch in vertikaler Richtung möglich ist. FIG. 3 shows the exemplary backrest element 20 according to FIG. 2 and the exemplary seat member 10 according to FIG. 1 with inserted connecting elements 30. The connecting elements 30 are each seated in a form-fitting manner in the recesses 12, 13, 14 of the seat element 10, wherein the respective longer leg 31 of the connecting elements 30 within the vertical portions 12.1, 13.1, 14.1 of the recesses 12, 13, 14 and each shorter leg 32 of the connecting elements 30 within the horizontal portions 12.2, 13.2, 14.2 of the recesses 12, 13, 14 is arranged. A part 33 of the connecting elements 30 projects in each case upward on the sitting / lying surface 15 out of the seat element 10. On these parts 33, the backrest element 20 is simply attached, wherein the parts 33 of the connecting elements 30 are each positively received in the recesses 24, 25, 26 of the back element 20. Since the connecting elements 30 are each adapted to the recesses 12, 13, 14 of the seat member 10 and the recesses 24, 25, 26 of the backrest element 20 with respect to their shape and dimensions or strength and are thus held in this form-fitting manner, the connecting elements 30 sit particularly stable and secure both in the seat element 10 and in the backrest element 20, so that a displacement of the connecting element is possible neither in the horizontal nor in the vertical direction.

Figur 4 zeigt eine beispielhafte Ausführungsform einer erfindungsgemäßen Vorrichtung 40 in zusammengesetzter Form. Die Verbindung des Lehnenelements 20 mit dem Sitzelement 10 wurde bereits oben in Bezug auf Figur 3 eingehend beschrieben. Durch die erfindungsgemäßen Verbindungselemente 30 wird das Sitzelement 10 mit dem Lehnenelement 20 stabil verbunden, wobei das Verbinden der einzelnen Elemente ohne großen Aufwand werkzeuglos möglich ist. Es entsteht hierdurch eine modulare Sitzvorrichtung 40, bei der verschiedene Sitzelemente 10 frei mit unterschiedlichen Lehnenelementen 20 kombiniert werden können. Die erfindungsgemäße Sitzvorrichtung 40 kann daher flexibel an die Bedürfnisse und Wünsche der Benutzer angepasst werden. FIG. 4 shows an exemplary embodiment of a device 40 according to the invention in an assembled form. The connection of the Backrest element 20 with the seat element 10 has already been described above with reference to FIG FIG. 3 described in detail. By the connecting elements 30 according to the invention, the seat member 10 is stably connected to the backrest element 20, wherein the joining of the individual elements without great effort is possible without tools. This results in a modular seating device 40, in which various seat elements 10 can be freely combined with different backrest elements 20. The seat device 40 according to the invention can therefore be flexibly adapted to the needs and wishes of the user.

Figur 5 zeigt eine perspektivische Ansicht zweier beispielhafter Ausführungsformen eines erfindungsgemäßen Verbindungselements, wobei beide Verbindungselemente 50, 60 L-förmig ausgebildet sind und einen längeren Schenkel 51, 61 und einen kürzeren Schenkel 52, 62 umfassen. Der jeweils längere Schenkel 51, 61 der Verbindungselemente 50, 60 ist zur Aufnahme in einen Bereich der Ausnehmung eines Sitzelements und zur Aufnahme in die Ausnehmung eines Lehnenelements vorgesehen. Dabei können die Verbindungselemente 50, 60, wie durch die unterschiedlich langen Schenkel 51 und 61 deutlich wird, an die Maße der Sitz- und Lehnenelemente angepasst werden. Alternativ zu L-förmigen Verbindungselementen können diese aber auch jede andere an die jeweiligen Ausnehmungen angepasste Form aufweisen. Beispielsweise können auch schwert- oder plattenförmige Verbindungselemente zum Einsatz kommen. FIG. 5 shows a perspective view of two exemplary embodiments of a connecting element according to the invention, wherein both connecting elements 50, 60 are L-shaped and a longer leg 51, 61 and a shorter leg 52, 62 include. The respective longer leg 51, 61 of the connecting elements 50, 60 is provided for receiving in a region of the recess of a seat member and for receiving in the recess of a backrest element. In this case, the connecting elements 50, 60, as is clear by the different length legs 51 and 61, be adapted to the dimensions of the seat and backrest elements. As an alternative to L-shaped connecting elements, however, these can also have any other form adapted to the respective recesses. For example, sword or plate-shaped connecting elements can be used.

Claims (6)

  1. Seating device (40) comprising at least one seating element (10) and at least one back element (20) being arranged angled thereto, wherein the back element (20) is releasably mounted to the seating element (10) by at least one connecting element (30, 50, 60) and the seating element (10) comprises at least one recess (12, 13, 14) being provided for receiving a part of the connecting element (30, 50, 60), wherein the recess (12, 13, 14) comprises at least one region (12.1, 13.1, 14.1) extending in the vertical plane through at least one part of the seating element (10), characterized in that the recess (12, 13, 14) comprises two regions (12.1, 12.2, 13.1, 13.2, 14.1, 14.2), one of which extending in the vertical plane and the other one in the horizontal plane through at least one part of the seating element (10), wherein the connecting element (30, 50, 60) is tool-free fixed in the seating element (10).
  2. Seating device according to claim 1, characterized in that both regions (12.1, 12.2, 13.1, 13.2, 14.1, 14.2) of the recess (12, 13, 14) of the seating element (10) are arranged at least approximately at right angles to each other.
  3. Seating device according to claim 1 or 2, characterized in that the seating element (10) comprises a base body (11) consisting completely of foam material, in particular cold cured foam.
  4. Seating device according to any of claims 1 to 3, characterized in that the back element (20) comprises at least one recess (24, 25, 26) being provided for receiving a part of the connecting element (30, 50, 60).
  5. Seating device according to claim 4, characterized in that the recess (24, 25, 26) of the back element (20) is arranged near to the surface in a boundary area of the back element (20).
  6. Seating device according to claim 4 or 5, characterized in that the back element (20) comprises a base body (21) consisting completely of foam material, in particular cold cured foam.
EP15738848.9A 2014-06-30 2015-06-23 Modular seating device Active EP3160304B1 (en)

Applications Claiming Priority (2)

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DE102014109139.6A DE102014109139A1 (en) 2014-06-30 2014-06-30 Modular seat device
PCT/EP2015/064061 WO2016001008A1 (en) 2014-06-30 2015-06-23 Modular seating device

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EP3160304B1 true EP3160304B1 (en) 2018-08-15

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WO2017123183A1 (en) * 2016-01-13 2017-07-20 Momis Mobilya Sanayi Ve Dis Ticaret Anonim Sirketi Sofa convertible into bed with removable backrest section

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FR2282247A1 (en) * 1974-08-21 1976-03-19 Dhellemmes Louis Chair or couch made from expanded foam - has separate pieces assembled onto metal frame using slots in pieces
AT355754B (en) * 1978-08-09 1980-03-25 Semperit Ag SEAT OR LOUNGE FURNITURE
US4326309A (en) * 1980-06-03 1982-04-27 Flaum Dennis M Bedding device
KR101235150B1 (en) * 2011-04-12 2013-02-20 (주)광일체어 Office chair

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