EP1849378A1 - Device for attaching a backrest - Google Patents

Device for attaching a backrest Download PDF

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Publication number
EP1849378A1
EP1849378A1 EP07007476A EP07007476A EP1849378A1 EP 1849378 A1 EP1849378 A1 EP 1849378A1 EP 07007476 A EP07007476 A EP 07007476A EP 07007476 A EP07007476 A EP 07007476A EP 1849378 A1 EP1849378 A1 EP 1849378A1
Authority
EP
European Patent Office
Prior art keywords
backrest
frame
chair
seat
armrest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07007476A
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German (de)
French (fr)
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EP1849378B1 (en
Inventor
Klaus Maier
Kurt Buntru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sedus Stoll AG
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Sedus Stoll AG
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Publication date
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Publication of EP1849378A1 publication Critical patent/EP1849378A1/en
Application granted granted Critical
Publication of EP1849378B1 publication Critical patent/EP1849378B1/en
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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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/021—Rocking chairs having elastic frames
    • A47C3/023—Rocking chairs having elastic frames made of tubular material

Definitions

  • the invention relates to the field of furniture industry. It relates to a device for backrest attachment of a chair, wherein the chair has a seat and a backrest, which are divided and separately, i. without direct direct connection between the backrest and seat, are arranged in the chair.
  • chairs are known in which the backrest and the seat are configured in one piece and are thereby connected to one another.
  • Such known from the prior art seat shell has in the transition region between the backrest part and seat part extending substantially parallel to the seat part forward armrests on which backrest side downwardly extending pins are attached, which by means of connecting means, for.
  • As screws are mounted in a tubular frame.
  • the tubular frame can be designed so that either cantilever or four-legged chairs are formed.
  • chairs with a frame in which a one-piece Support mat is clamped, which forms the seat and backrest But such chairs offer disadvantageously only a low seating comfort.
  • chairs are known in which the seat and backrest are divided.
  • DE 102 00 358 A1 describes an office chair in which a seat is mounted on a seat support. On the seat support also a substantially upwardly extending backrest support is attached to the upper end of a backrest is fixed. Armrests are not provided for this chair.
  • DE 38 27 057 A1 is described an office chair that has no backrest support in the area between the backrest and seat part.
  • the backrest support is formed in this chair by a bracket with two parallel to each other, each side of the backrest and the side of the seat part extending, substantially upwardly projecting arms to which the backrest plate is attached.
  • the armrests are attached on the one hand to the seat part and on the other hand to the backrest by means of threaded screws.
  • the invention seeks to avoid the mentioned disadvantages of the known prior art. It is an object of the invention to provide a device for Lehnenbefest Trent for a chair in which the chair comprises a frame, preferably metal frame, two armrests, a seat and a backrest with a back frame, the seat and backrest are divided and separated from each other, i. without direct direct connection between backrest and seat, are arranged in the chair and a connection is made only on the frame.
  • the device should be simple and inexpensive to manufacture, easy to assemble and characterized by a very good strength.
  • a device consists of a double bent metal strap is made, which is so formed that connects to a comparatively long leg bent by 90 ° shorter intermediate piece, which in turn followed by a bent 90 ° shorter end piece, wherein the imaginary plane formed from the long leg and the intermediate piece and the imaginary plane formed from the intermediate piece and the end piece are perpendicular to each other, and the metal bracket with its long leg inserted through an inserted into the backrest frame slot and lockable by a simple rotational movement in a locking device within the seat back frame and wherein the tail of the metal bracket with the frame of the chair is connectable.
  • the advantage of the solution according to the invention is that the backrest attachment is simple and inexpensive to manufacture. It is easy to install from the outside and guarantees sufficient strength, although the backrest connection is made only on the frame and not on the seat or a backrest support.
  • the end piece of the metal bracket can be inserted and fastened in a sleeve arranged on the underside of an armrest and the armrest can be mounted on the frame of the chair.
  • the attachment is preferably carried out by means of screws.
  • the armrests advantageously obscure the upper part of the long hole introduced in the backrest frame, which improves the aesthetic impression of the chair.
  • the armrest is sprayed with the sleeve as a whole piece of plastic, a particularly inexpensive manufacture of the chair is possible.
  • the backrest attachment according to the invention can be used advantageously in cantilever chairs as well as in four-legged chairs.
  • FIGS. 1 and 2 each show a perspective view of a partner chair 1 with a built-in device according to the invention for supporting the backrest, which is not visible in FIGS. 1 and 2.
  • a cantilever chair and in Fig. 2 a four-legged chair is shown.
  • the device according to the invention can be used for both chair types.
  • the chair 1 consists of a seat 2, a backrest 3, a frame 4, two armrests 5 and the not visible here device for backrest attachment.
  • the frame 4 is preferably a metal frame, in particular a tubular frame.
  • the seat 2 rests on transverse struts 4 'of the frame 4, is preferably fastened thereto by means of screw connections and is thus supported by the frame 4.
  • the cantilever chair FIG. 1
  • only one front transverse strut 4 ' is arranged
  • a front and one rear transverse strut 4' are arranged.
  • the seat 2 and the backrest 3 are split in this chair design and are separate from each other, i. without direct direct connection between them, arranged in chair 1.
  • the backrest frame 6 is inexpensively made of plastic.
  • Fig. 3 is a perspective view of the metal bracket 7 according to the invention is shown. This is twice bent so formed that connects to a comparatively long leg 8 is bent by 90 ° shorter intermediate piece 9, which in turn is followed by a bent 90 ° shorter end piece 10, wherein one of the long leg 8 and the intermediate piece. 9 formed imaginary plane and formed from the intermediate piece 9 and the end piece 10 imaginary plane perpendicular to each other.
  • Fig. 4 shows a perspective view of the locked in the seat back frame 6 metal bracket 7.
  • the metal bracket 7 is inserted with its long leg 8 by an inserted into the backrest frame 6 slot 11 in the backrest frame 6 and by a simple rotational movement in a locking device 12, which the inside of the back frame 6 is arranged, brought and locked there.
  • the leg 8 extends in the locked state while vertically downwards and is thus arranged substantially parallel to the side part of the backrest frame 6, while the intermediate piece 9 and the end piece 10 of the metal bracket 7 are arranged perpendicular thereto.
  • the end piece 10 faces forward in the direction of the seat 2 and, as can be seen in FIG. 5, is connected to the frame 4 of the chair 1.
  • the thus secured armrest 5 now advantageously covers the upper part of the introduced in the backrest frame 6 elongated hole 11, so that a good aesthetic impression of the chair is created.
  • the armrest 5 is made in one piece with the sleeve 13 and the receiving device 17 for the screw 14 and, for example, injected as a whole piece of plastic. As a result, a particularly inexpensive production of the chair is possible.
  • the device according to the invention is easy to manufacture and handle. It can be advantageously mounted from the outside. It is also inexpensive. Although only a simple connection of the back 3 on the frame 4, sufficient strength is achieved.

Abstract

The device has two-fold metal frames (7) designed such that a short intermediate piece (9) that is bent about 90 degrees, is attached at a long shank (8). An end piece (10) is connected with a frame of a chair, where the plane that is formed from the shank and the intermediate piece stay in perpendicular to a plane that is formed from the pieces. The frames are inserted with the shank through an elongated hole (11) that is introduced in backrest frames (6). The hole is locked by a simple rotating movement in a locking device (12) within the frames (6), which are made of plastic.

Description

Technisches GebietTechnical area

Die Erfindung bezieht sich auf das Gebiet der Möbelindustrie. Sie betrifft eine Vorrichtung zur Lehnenbefestigung eines Stuhles, wobei der Stuhl einen Sitz und eine Rückenlehne aufweist, welche geteilt sind und separat, d.h. ohne unmittelbare direkte Verbindung zwischen Rückenlehne und Sitz, im Stuhl angeordnet sind.The invention relates to the field of furniture industry. It relates to a device for backrest attachment of a chair, wherein the chair has a seat and a backrest, which are divided and separately, i. without direct direct connection between the backrest and seat, are arranged in the chair.

Stand der TechnikState of the art

Es sind einerseits Stühle bekannt, bei denen die Rückenlehne und der Sitz einteilig ausgestaltet und dadurch miteinander verbunden sind. Eine derartige aus dem Stand der Technik bekannte Sitzschale weist im Übergangsbereich zwischen Rückenlehnenteil und Sitzteil sich im wesentlichen parallel zum Sitzteil nach vorn erstreckende Armlehnen auf, an denen rückenlehnemeitig sich nach unten erstreckende Zapfen angebracht sind, welche mittels Verbindungsmittel, z. B. Schrauben, in einem Rohrgestell montierbar sind. Das Rohrgestell kann dabei so ausgebildet sein, dass entweder Freischwinger- oder Vierbeinstühle gebildet werden. Ebenfalls bekannt sind Stühle mit einem Gestell, in das eine einteilige Trägermatte eingespannt ist, welche Sitz und Rückenlehne bildet. Derartige Stühle bieten aber nachteilig nur einen geringen Sitzkomfort.On the one hand, chairs are known in which the backrest and the seat are configured in one piece and are thereby connected to one another. Such known from the prior art seat shell has in the transition region between the backrest part and seat part extending substantially parallel to the seat part forward armrests on which backrest side downwardly extending pins are attached, which by means of connecting means, for. As screws are mounted in a tubular frame. The tubular frame can be designed so that either cantilever or four-legged chairs are formed. Also known are chairs with a frame in which a one-piece Support mat is clamped, which forms the seat and backrest. But such chairs offer disadvantageously only a low seating comfort.

Andererseits sind Stühle bekannt, bei denen Sitz und Rückenlehne geteilt sind. So ist beispielweise in DE 102 00 358 A1 ein Bürostuhl beschrieben, bei dem auf einem Sitzträger ein Sitz angebracht ist. Am Sitzträger ist außerdem ein im wesentlichen sich nach oben erstreckender Rückenlehnenträger angebracht, an dessen oberen Ende eine Rückenlehne befestigt ist. Armlehnen sind für diesen Stuhl nicht vorgesehen. In DE 38 27 057 A1 ist ein Bürostuhl beschrieben, der im Bereich zwischen Rückenlehne und Sitzteil keinen Rückenlehnenträger aufweist. Der Rückenlehnenträger ist bei diesem Stuhl durch einen Bügel mit zwei parallel zueinander, jeweils seitlich der Rückenlehne und seitlich des Sitzteiles verlaufenden, im wesentlichen nach oben ragenden Armen ausgebildet, an denen die Rückenlehnenplatte angebracht ist. Die Armlehnen sind einerseits am Sitzteil und andererseits an der Rückenlehne mittels Gewindeschrauben befestigt.On the other hand, chairs are known in which the seat and backrest are divided. For example, in DE 102 00 358 A1 describes an office chair in which a seat is mounted on a seat support. On the seat support also a substantially upwardly extending backrest support is attached to the upper end of a backrest is fixed. Armrests are not provided for this chair. In DE 38 27 057 A1 is described an office chair that has no backrest support in the area between the backrest and seat part. The backrest support is formed in this chair by a bracket with two parallel to each other, each side of the backrest and the side of the seat part extending, substantially upwardly projecting arms to which the backrest plate is attached. The armrests are attached on the one hand to the seat part and on the other hand to the backrest by means of threaded screws.

Darstellung der ErfindungPresentation of the invention

Die Erfindung versucht, die genannten Nachteile des bekannten Standes der Technik zu vermeiden. Ihr liegt die Aufgabe zugrunde, eine Vorrichtung zur Lehnenbefestigung für einen Stuhl zu schaffen, bei dem der Stuhl ein Gestell, vorzugsweise Metallgestell, zwei Armlehnen, einen Sitz und eine Rückenlehne mit einem Rückenlehnenrahmen aufweist, wobei Sitz und Rückenlehne geteilt sind und separat voneinander, d.h. ohne unmittelbare direkte Verbindung zwischen Rückenlehne und Sitz, im Stuhl angeordnet sind und eine Anbindung nur über das Gestell erfolgt. Die Vorrichtung soll einfach und preiswert herzustellen sein, einfach zu montieren sein und sich durch eine sehr gute Festigkeit auszeichnen.The invention seeks to avoid the mentioned disadvantages of the known prior art. It is an object of the invention to provide a device for Lehnenbefestigung for a chair in which the chair comprises a frame, preferably metal frame, two armrests, a seat and a backrest with a back frame, the seat and backrest are divided and separated from each other, i. without direct direct connection between backrest and seat, are arranged in the chair and a connection is made only on the frame. The device should be simple and inexpensive to manufacture, easy to assemble and characterized by a very good strength.

Erfindungsgemäß wird dies bei einer Vorrichtung gemäss Oberbegriff des Patentanspruches 1 dadurch erreicht, dass die Vorrichtung aus einem zweifach gebogenen Metallbügel besteht, der so ausgebildet ist, dass sich an einen vergleichsweise langen Schenkel ein um 90 ° gebogenes kürzeres Zwischenstück anschließt, an das sich wiederum ein um 90 ° gebogenes kürzeres Endstück anschließt, wobei die aus dem langen Schenkel und dem Zwischenstück gebildete gedachte Ebene und die aus dem Zwischenstück und dem Endstück gebildete gedachte Ebene senkrecht aufeinander stehen, und der Metallbügel mit seinem langen Schenkel durch ein in den Rückenlehnenrahmen eingebrachtes Langloch einschiebbar und durch eine einfache Drehbewegung in einer Verriegelvorrichtung innerhalb des Rückenlehnenrahmens verriegelbar ist und wobei das Endstück des Metallbügels mit dem Gestell des Stuhles verbindbar ist.This is achieved in a device according to the preamble of claim 1, characterized in that the device consists of a double bent metal strap is made, which is so formed that connects to a comparatively long leg bent by 90 ° shorter intermediate piece, which in turn followed by a bent 90 ° shorter end piece, wherein the imaginary plane formed from the long leg and the intermediate piece and the imaginary plane formed from the intermediate piece and the end piece are perpendicular to each other, and the metal bracket with its long leg inserted through an inserted into the backrest frame slot and lockable by a simple rotational movement in a locking device within the seat back frame and wherein the tail of the metal bracket with the frame of the chair is connectable.

Der Vorteil der erfindungsgemäßen Lösung besteht darin, dass die Lehnenbefestigung einfach und preiswert herzustellen ist. Sie ist leicht von außen montierbar und garantiert eine genügende Festigkeit, obwohl die Lehnenanbindung nur über das Gestell und nicht über den Sitz bzw. einen Rückenlehnenträger erfolgt.The advantage of the solution according to the invention is that the backrest attachment is simple and inexpensive to manufacture. It is easy to install from the outside and guarantees sufficient strength, although the backrest connection is made only on the frame and not on the seat or a backrest support.

Es ist vorteilhaft, wenn das Endstück des Metallbügels in eine an der Unterseite einer Armlehne angeordneten Hülse einschiebbar und befestigbar ist und die Armlehne auf dem Gestell des Stuhles montierbar ist. Die Befestigung erfolgt dabei vorzugsweise mit Hilfe von Schrauben. Durch die Armlehnen wird vorteilhaft der obere Teil des im Rückenlehnenrahmen eingebrachten Langloches verdeckt, was den ästhetischen Eindruck des Stuhles verbessert.It is advantageous if the end piece of the metal bracket can be inserted and fastened in a sleeve arranged on the underside of an armrest and the armrest can be mounted on the frame of the chair. The attachment is preferably carried out by means of screws. The armrests advantageously obscure the upper part of the long hole introduced in the backrest frame, which improves the aesthetic impression of the chair.

Wenn die Armlehne mit der Hülse als ein ganzes Teil aus Kunststoff gespritzt ist, ist eine besonders preiswerte Herstellung des Stuhles möglich.If the armrest is sprayed with the sleeve as a whole piece of plastic, a particularly inexpensive manufacture of the chair is possible.

Die erfindungsgemäße Lehnenbefestigung lässt sich in vorteilhafter Weise sowohl bei Freischwinger- als auch bei Vierbeinstühlen anwenden.The backrest attachment according to the invention can be used advantageously in cantilever chairs as well as in four-legged chairs.

Kurze Beschreibung der ZeichnungShort description of the drawing

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:

Fig. 1
eine perspektivische Ansicht eines als Freischwinger ausgebildeten Partnerstuhles mit einer eingebauten (nicht sichtbaren) erfindungsgemäßen Vorrichtung zur Lehnenbefestigung;
Fig. 2
eine perspektivische Ansicht eines als Vierbeinstuhl ausgebildeten Partnerstuhles mit einer eingebauten (nicht sichtbaren) erfindungsgemäßen Vorrichtung zur Lehnenbefestigung;
Fig. 3
eine perspektivische Ansicht des erfindungsgemäßen Metallbügels;
Fig. 4
eine perspektivische Ansicht des im Rückenlehnenrahmen verriegelten Metallbügels und
Fig. 5
eine Explosionsdarstellung, aus der die Schritte des Zusammenbaus der Lehnenbefestigung hervorgehen.
In the drawing, an embodiment of the invention is shown. Show it:
Fig. 1
a perspective view of a designed as cantilever partner chair with a built-in (not visible) device according to the invention for backrest attachment;
Fig. 2
a perspective view of a trained as a four-leg chair partner chair with a built-in (not visible) inventive device for backrest attachment;
Fig. 3
a perspective view of the metal bracket according to the invention;
Fig. 4
a perspective view of the locked in the backrest frame metal bracket and
Fig. 5
an exploded view showing the steps of assembly of the backrest attachment.

Es sind nur die für das Verständnis der Erfindung wesentlichen Elemente gezeigt. Gleiche Elemente sind mit den gleichen Bezugszeichen versehen.Only the elements essential to the understanding of the invention are shown. The same elements are provided with the same reference numerals.

Wege zur Ausführung der ErfindungWays to carry out the invention

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispieles und der Figuren 1 bis 5 näher erläutert.The invention will be explained in more detail with reference to an embodiment and the figures 1 to 5.

Fig. 1 und Fig. 2 zeigen jeweils eine perspektivische Ansicht eines Partnerstuhles 1 mit einer eingebauten - in Fig. 1 und Fig. 2 nicht sichtbaren - erfindungsgemäßen Vorrichtung zur Lehnenbefestigung. In Fig. 1 ist ein Freischwingerstuhl und in Fig. 2 ein Vierbeinstuhl dargestellt. Die erfindungsgemäße Vorrichtung ist für beide Stuhlarten einsetzbar.FIGS. 1 and 2 each show a perspective view of a partner chair 1 with a built-in device according to the invention for supporting the backrest, which is not visible in FIGS. 1 and 2. In Fig. 1, a cantilever chair and in Fig. 2 a four-legged chair is shown. The device according to the invention can be used for both chair types.

Der Stuhl 1 besteht aus einem Sitz 2, einer Rückenlehne 3, einem Gestell 4, zwei Armlehnen 5 sowie der hier nicht sichtbaren Vorrichtung zur Lehnenbefestigung. Das Gestell 4 ist vorzugsweise ein Metallgestell, insbesondere ein Rohrgestell. Der Sitz 2 liegt auf Querstreben 4' des Gestelles 4 auf, ist darauf vorzugsweise mittels Schraubverbindungen befestigt und wird so vom Gestell 4 getragen. Im Falle des Freischwingers (Fig. 1) ist nur eine vordere Querstrebe 4' angeordnet, im Falle des Vierbein-Stuhles (Fig. 2) ist eine vordere und eine hintere Querstrebe 4' angeordnet. Der Sitz 2 und die Rückenlehne 3 sind bei diesem Stuhl-Design geteilt ausgeführt und separat voneinander, d.h. ohne unmittelbare direkte Verbindung zwischen ihnen, im Stuhl 1 angeordnet. Die Anbindung der Rückenlehne 3, welche aus einem Rückenlehnenrahmen 6 und einer Überpolsterung 16 besteht, erfolgt nur über das Gestell 4, und zwar an beiden Seitenteilen des Rückenlehnenrahmens 6. Der Rückenlehnenrahmen 6 ist preisgünstig aus Kunststoff gefertigt.The chair 1 consists of a seat 2, a backrest 3, a frame 4, two armrests 5 and the not visible here device for backrest attachment. The frame 4 is preferably a metal frame, in particular a tubular frame. The seat 2 rests on transverse struts 4 'of the frame 4, is preferably fastened thereto by means of screw connections and is thus supported by the frame 4. In the case of the cantilever chair (FIG. 1), only one front transverse strut 4 'is arranged, in the case of the four-legged chair (FIG. 2) a front and one rear transverse strut 4' are arranged. The seat 2 and the backrest 3 are split in this chair design and are separate from each other, i. without direct direct connection between them, arranged in chair 1. The connection of the backrest 3, which consists of a backrest frame 6 and a padding 16, takes place only on the frame 4, on both sides of the backrest frame 6. The backrest frame 6 is inexpensively made of plastic.

In Fig. 3 ist eine perspektivische Ansicht des erfindungsgemäßen Metallbügels 7 dargestellt. Dieser ist zweifach gebogen derart ausgebildet, dass sich an einen vergleichsweise langen Schenkel 8 ein um 90 ° gebogenes kürzeres Zwischenstück 9 anschließt, an das sich wiederum ein um 90 ° gebogenes kürzeres Endstück 10 anschließt, wobei eine aus dem langen Schenkel 8 und dem Zwischenstück 9 gebildete gedachte Ebene und eine aus dem Zwischenstück 9 und dem Endstück 10 gebildete gedachte Ebene senkrecht aufeinander stehen.In Fig. 3 is a perspective view of the metal bracket 7 according to the invention is shown. This is twice bent so formed that connects to a comparatively long leg 8 is bent by 90 ° shorter intermediate piece 9, which in turn is followed by a bent 90 ° shorter end piece 10, wherein one of the long leg 8 and the intermediate piece. 9 formed imaginary plane and formed from the intermediate piece 9 and the end piece 10 imaginary plane perpendicular to each other.

Fig. 4 zeigt eine perspektivische Ansicht des im Rückenlehnenrahmen 6 verriegelten Metallbügels 7. Der Metallbügel 7 ist mit seinem langen Schenkel 8 durch ein in den Rückenlehnenrahmen 6 eingebrachtes Langloch 11 in den Rückenlehnenrahmen 6 eingeschoben und durch eine einfache Drehbewegung in eine Verriegelungsvorrichtung 12, welche an der Innenseite des Rückenlehnenrahmens 6 angeordnet ist, gebracht und dort verriegelt worden. Der Schenkel 8 erstreckt sich im verriegelten Zustand dabei senkrecht nach unten und ist damit im wesentlichen parallel zum Seitenteil des Rückenlehnenrahmens 6 angeordnet, während das Zwischenstück 9 und das Endstück 10 des Metallbügels 7 senkrecht dazu angeordnet sind. Das Endstück 10 weist nach vorn in Richtung des Sitzes 2 und wird, wie in Fig. 5 zu erkennen ist, mit dem Gestell 4 des Stuhles 1 verbunden.Fig. 4 shows a perspective view of the locked in the seat back frame 6 metal bracket 7. The metal bracket 7 is inserted with its long leg 8 by an inserted into the backrest frame 6 slot 11 in the backrest frame 6 and by a simple rotational movement in a locking device 12, which the inside of the back frame 6 is arranged, brought and locked there. The leg 8 extends in the locked state while vertically downwards and is thus arranged substantially parallel to the side part of the backrest frame 6, while the intermediate piece 9 and the end piece 10 of the metal bracket 7 are arranged perpendicular thereto. The end piece 10 faces forward in the direction of the seat 2 and, as can be seen in FIG. 5, is connected to the frame 4 of the chair 1.

Aus der Explosionsdarstellung gemäss Fig. 5 gehen die weiteren einzelnen Schritte des Zusammenbaus der erfindungsgemäßen Lehnenbefestigung hervor. Das Endstück 10 des Metallbügels 7 wird in eine an der Unterseite einer Armlehne 5 angeordneten Hülse 13 eingeschoben und mit einer Schraube 14, die in eine ebenfalls an der Unterseite der Armlehne 5 angeordneten Aufnahmeeinrichtung 17 eingeschraubt wird, befestigt. Anschließend wird die Rückenlehne 3 mit der Vorrichtung zur Lehnenbefestigung und der Armlehne 5 in Richtung Sitz 2 geschoben, die Hülse 13 in das Gestell 4 geschoben und die Armlehne 5 auf dem Gestell 4 des Stuhles 1 montiert. Die Befestigung erfolgt dabei vorzugsweise mit Hilfe einer Schraube 15, die durch das Gestell 4 in die Armlehne 5 eingeschraubt wird.From the exploded view according to FIG. 5, the further individual steps of the assembly of the backrest attachment according to the invention emerge. The tail 10 of the metal bracket 7 is inserted into a arranged on the underside of an armrest sleeve 5 13 and with a screw 14 which is screwed into a likewise arranged on the underside of the armrest 5 receiving device 17, attached. Subsequently, the backrest 3 is pushed with the device for backrest attachment and the armrest 5 in the direction of the seat 2, the sleeve 13 is pushed into the frame 4 and the armrest 5 mounted on the frame 4 of the chair 1. The attachment is preferably carried out by means of a screw 15 which is screwed through the frame 4 in the armrest 5.

Die so befestigte Armlehne 5 verdeckt nun vorteilhaft den oberen Teil des im Rückenlehnenrahmen 6 eingebrachten Langloches 11, so dass ein guter ästhetischer Eindruck des Stuhles entsteht. In vorteilhafter Weise ist die Armlehne 5 mit der Hülse 13 und der Aufnahmeeinrichtung 17 für die Schraube 14 einteilig ausgeführt und beispielsweise als ein ganzes Teil aus Kunststoff gespritzt. Dadurch ist eine besonders preiswerte Herstellung des Stuhles möglich.The thus secured armrest 5 now advantageously covers the upper part of the introduced in the backrest frame 6 elongated hole 11, so that a good aesthetic impression of the chair is created. Advantageously, the armrest 5 is made in one piece with the sleeve 13 and the receiving device 17 for the screw 14 and, for example, injected as a whole piece of plastic. As a result, a particularly inexpensive production of the chair is possible.

Die erfindungsgemäße Vorrichtung ist einfach herstell- und handhabbar. Sie kann vorteilhaft von außen montiert werden. Sie ist zudem preiswert. Obwohl nur eine einfache Anbindung der Lehne 3 über das Gestell 4 erfolgt, wird eine ausreichende Festigkeit erreicht.The device according to the invention is easy to manufacture and handle. It can be advantageously mounted from the outside. It is also inexpensive. Although only a simple connection of the back 3 on the frame 4, sufficient strength is achieved.

Selbstverständlich ist die Erfindung nicht auf das beschriebene Ausführungsbeispiel beschränkt.Of course, the invention is not limited to the embodiment described.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Stuhlchair
22
SitzSeat
33
Rückenlehnebackrest
44
Gestellframe
4'4 '
Querstrebe des GestellesCross strut of the frame
55
Armlehnearmrest
66
RückenlehnenrahmenBackrest frame
77
Metallbügelmetal bracket
88th
Langer Schenkel des MetallbügelsLong thigh of the metal strap
99
Zwischenstück des MetallbügelsIntermediate piece of metal strap
1010
Endstück des MetallbügelsTail of the metal strap
1111
LanglochLong hole
1212
Verriegelungsvorrichtunglocking device
1313
Hülseshell
1414
Schraubescrew
1515
Schraubescrew
1616
ÜberpolsterungAbout upholstery
1717
Aufnahmeeinrichtungrecording device

Claims (4)

Vorrichtung zur Lehnenbefestigung eines Stuhles (1), welcher ein Gestell (4), zwei Armlehnen (5), einen Sitz (2) und eine Rückenlehne (3) mit einem Rückenlehnenträger (6) aufweist, wobei der Sitz (2) und die Rückenlehne (3) geteilt sind und separat voneinander ohne unmittelbare direkte Verbindung zwischen ihnen im Stuhl (1) angeordnet sind, dadurch gekennzeichnet, dass die Vorrichtung aus einem zweifach gebogenen Metallbügel (7) besteht, der so ausgebildet ist, dass sich an einen vergleichsweise langen Schenkel (8) ein um 90 ° gebogenes kürzeres Zwischenstück (9) anschließt, an das sich wiederum ein um 90 ° gebogenes kürzeres Endstück (10) anschließt, wobei die aus dem langen Schenkel (8) und dem Zwischenstück (9) gebildete gedachte Ebene und die aus dem Zwischenstück (9) und dem Endstück (10) gebildete gedachte Ebene senkrecht aufeinander stehen, und der Metallbügel (7) mit seinem langen Schenkel (8) durch ein in den Rückenlehnenrahmen (6) eingebrachtes Langloch (11) einschiebbar und durch eine einfache Drehbewegung in einer Verriegelvorrichtung (12) innerhalb des Rückenlehnenrahmens (6) verriegelbar ist und wobei das Endstück (10) des Metallbügels (7) mit dem Gestell (4) des Stuhles (1) verbindbar ist.Device for backrest attachment of a chair (1) comprising a frame (4), two armrests (5), a seat (2) and a backrest (3) with a backrest support (6), the seat (2) and the backrest (3) are divided and arranged separately from each other in the chair (1) without direct direct connection between them, characterized in that the device consists of a double-bent metal bracket (7), which is formed so that a comparatively long leg (8) connects a bent by 90 ° shorter intermediate piece (9), which in turn followed by a bent 90 ° shorter end piece (10), wherein the from the long leg (8) and the intermediate piece (9) formed imaginary plane and the imaginary plane formed from the intermediate piece (9) and the end piece (10) are perpendicular to one another, and the metal bow (7) with its long leg (8) is inserted through a slot (11) made in the backrest frame (6) insertable and by a simple rotational movement in a locking device (12) within the seat back frame (6) is lockable and wherein the end piece (10) of the metal bracket (7) with the frame (4) of the chair (1) is connectable. Vorrichtung zur Lehnenbefestigung nach Anspruch 1, dadurch gekennzeichnet, dass das Endstück (10) des Metallbügels (7) in eine an der Unterseite der Armlehne (5) angeordneten Hülse (13) einschiebbar und befestigbar ist und die Armlehne (5) auf dem Gestell (4) des Stuhles (1) montierbar ist.Backrest fastening device according to claim 1, characterized in that the end piece (10) of the metal bracket (7) can be inserted and fastened in a sleeve (13) arranged on the underside of the armrest (5) and the armrest (5) is mounted on the frame (5). 4) of the chair (1) is mountable. Vorrichtung zur Lehnenbefestigung nach Anspruch 2, dadurch gekennzeichnet, dass die Befestigungsmittel Schrauben (14, 15) sind.Backrest mounting device according to claim 2, characterized in that the fastening means are screws (14, 15). Vorrichtung zur Lehnenbefestigung nach Anspruch 3, dadurch gekennzeichnet, dass die Armlehne (5) mit der Hülse (13) und einer Aufnahmeeinrichtung (17) für die Befestigungsmittel (14) als ein integrales Teil aus Kunststoff gespritzt ist.Backrest mounting device according to claim 3, characterized in that the armrest (5) with the sleeve (13) and a receiving means (17) for the fastening means (14) is injected as an integral part of plastic.
EP07007476A 2006-04-24 2007-04-12 Device for attaching a backrest Not-in-force EP1849378B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006018951A DE102006018951A1 (en) 2006-04-24 2006-04-24 Device for backrest attachment

Publications (2)

Publication Number Publication Date
EP1849378A1 true EP1849378A1 (en) 2007-10-31
EP1849378B1 EP1849378B1 (en) 2009-12-02

Family

ID=38325205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07007476A Not-in-force EP1849378B1 (en) 2006-04-24 2007-04-12 Device for attaching a backrest

Country Status (8)

Country Link
US (1) US7552975B2 (en)
EP (1) EP1849378B1 (en)
JP (1) JP2007289705A (en)
CN (1) CN101061910A (en)
AT (1) ATE450170T1 (en)
AU (1) AU2007201722A1 (en)
CA (1) CA2585511A1 (en)
DE (2) DE102006018951A1 (en)

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JP5416562B2 (en) * 2009-11-27 2014-02-12 タカノ株式会社 Chair cantilever support mechanism
KR101549993B1 (en) 2010-02-10 2015-09-03 오카무라 가부시키가이샤 Stretching structure of chair upholstery material
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USD648962S1 (en) * 2010-05-13 2011-11-22 Steelcase, Inc. Seating unit frame
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US8256845B2 (en) * 2010-09-28 2012-09-04 Wen-Tsan Wang Bamboo chair
JP5647025B2 (en) 2011-02-02 2014-12-24 株式会社岡村製作所 Extension structure of chair upholstery
US8573704B2 (en) 2011-04-04 2013-11-05 Peters Security International, Inc. Anti-ballistic chairs
WO2015081255A1 (en) 2013-11-27 2015-06-04 Shieldpro, Llc Anti-ballistic chair

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DE102009045199A1 (en) 2009-09-30 2011-04-14 Sedus Stoll Ag Chair frame for a chair, Seating furniture, Method of manufacturing the chair frame, Tool for carrying out the method

Also Published As

Publication number Publication date
US7552975B2 (en) 2009-06-30
JP2007289705A (en) 2007-11-08
ATE450170T1 (en) 2009-12-15
CN101061910A (en) 2007-10-31
CA2585511A1 (en) 2007-10-24
EP1849378B1 (en) 2009-12-02
DE102006018951A1 (en) 2007-11-08
AU2007201722A1 (en) 2007-11-08
DE502007002139D1 (en) 2010-01-14
US20080036267A1 (en) 2008-02-14

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