EP3516991B1 - Active dynamic seating furniture - Google Patents

Active dynamic seating furniture Download PDF

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Publication number
EP3516991B1
EP3516991B1 EP19160568.2A EP19160568A EP3516991B1 EP 3516991 B1 EP3516991 B1 EP 3516991B1 EP 19160568 A EP19160568 A EP 19160568A EP 3516991 B1 EP3516991 B1 EP 3516991B1
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EP
European Patent Office
Prior art keywords
seating furniture
active
bracket
dynamic seating
supporting frame
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Active
Application number
EP19160568.2A
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German (de)
French (fr)
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EP3516991A1 (en
Inventor
Andreas Ostwald
Dietlind Walger-Hutter
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Aeris GmbH
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Aeris GmbH
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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
    • 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
    • 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
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0252—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame connected only by an elastic member positioned between seat and base frame
    • 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
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions

Definitions

  • the invention relates to an active dynamic seating furniture with a seat part with a seat and a resilient rocking mechanism arranged on a support frame.
  • Forwards and backwards tiltable or movable seat devices and chairs are e.g. B. already known in the area of standing up aids and have the usual design, electrically assisted elements such as servomotors, gas pressure cylinders, Springs or other lifting devices. These are controlled by the user or another person and support the user of the furniture by reducing the exertion of force and self-movement when leaving the sitting position.
  • electrically assisted elements such as servomotors, gas pressure cylinders, Springs or other lifting devices.
  • a chair with a seat and a backrest, as well as with a base frame which supports the seat surface and the backrest, the seat surface being tiltable relative to the base frame about a lying tilt axis, and the backrest being two movable and arranged one above the other Has areas whose upper area can be angled relative to the lower area about a likewise lying tilt axis.
  • this solution serves the different adjustability of the tilting movement of the seat surface and the backrest, so that, in particular depending on the body weight of the user, the tilting movement of the seat surface and the tilting movement of the backrest areas are possible, the actuation forces for the tilting movements of the seat surface and the backrest being made possible .
  • the proposed tilting and adjusting mechanism is, however, complex and complex, which leads to high costs for such a chair.
  • the invention further aims at a movement pattern that most closely corresponds to dynamic sitting in terms of physiognomy.
  • the invention is therefore based on the object to solve the aforementioned tasks and to provide a chair with a rocking mechanism, which has the further features of being aesthetically pleasing, simple and inexpensive to manufacture and also sufficient stability for seat users with a higher body weight at the Ensures movement.
  • a basic idea of the invention is to provide an elastically resilient rocking mechanism on which a seat part is fastened in order to enable active dynamic movements of the seat user.
  • the rocking mechanism according to the invention is formed from oppositely arranged, preferably crossing lever arms, by means of which a rocking movement can take place with the seat part forwards and backwards and preferably also laterally.
  • seating furniture according to claim 1 is provided for this purpose.
  • the resilient rocker mechanism forms a first bracket comprising at least one lever arm, which is each connected to a rear part of the support frame and a second bracket with at least one lever arm, which is or are respectively connected to a front part of the support frame, the lever arm or arms of the first bracket essentially extending in a forward direction (obliquely upward), while the lever arm or arms of the second bracket extend in extend a substantially rearward direction (obliquely upward).
  • the seat part (or the underside of the seat part) is held on the resilient rocking mechanism in such a way that the seat surface is deflected from an initial position into a deflected position that is tilted forwards and backwards, against the spring force of elastic ones Elements can be operated.
  • rocking forward the front edge of the seat part is moved downwards, while the rear edge of the seat part remains in its relative height or is moved upwards, so that a backrest connected to the seat part tilts forward.
  • the rear edge of the seat part is moved downwards, while the rear edge of the seat part remains in its relative height or is moved downwards, so that a backrest connected to the seat part tilts backwards.
  • the elastic elements to which the lever arms are attached are elastically deformed.
  • elastically deformable disks or elastic spacing elements are preferably attached to the brackets or the lever arms at the connecting positions with the seat part and more preferably at the connecting positions with a carrying frame or a carrier.
  • the elastic elements can also be formed from several separate elastic elements, which are arranged in a suitable arrangement one above the other at the fastening points or connection positions to the chair part and support frame are attached.
  • the lever arms are advantageously "sandwich-like" surrounded by at least two elastically deformable elements. It is also advantageous if the prestressing or the elasticity and / or spring property of the elastically deformable elements can be set by means of an actuating device or adjusting device, so that this has a direct effect on the movement characteristics of the rocking movement.
  • a configuration is particularly suitable in which fastening points are preferably provided on the first and second bracket, respectively mounted on or with elastic spacers, to which the seat part is fastened.
  • At least one of the brackets has two lever arms and the two lever arms of this bracket are connected to one another in a U-shape by a connecting arm.
  • both brackets each have two lever arms and these are connected to one another in a U-shape by a connecting arm.
  • one bracket projects through the U-shaped opening of the other bracket at an angle, so that the lever arms of the bracket cross each other.
  • the further bracket has a holding section consisting of two holding arms with which the bracket is connected in each case to the front part of the support frame and a lever arm extends away from the holding section, essentially obliquely upwards in one direction extends to the rear.
  • the support frame has four chair legs which run obliquely from bottom to top (preferably form a pyramid shape) and the brackets at the upper ends of the chair legs of the chair legs are connected directly or indirectly to them.
  • a direct connection can e.g. B. by a head plate connecting the upper chair leg ends or H-shaped connecting structure from which mounting bolts or connecting elements are attached to or with which the respective brackets are fastened to their holding sections.
  • one bracket protrudes upwards at an angle and the other bracket upwards at an angle, and the lever arms of the two brackets cross between them.
  • the two brackets with their respective holding sections are fastened indirectly to the support frame in the region of the chair leg ends via elastically deformable bearings on connecting means, preferably using elastically deformable spacers that the elastic properties for the rocking mobility take place at least partially or predominantly from the elastic deformability of the elastic spacers or elastically deformable spacer elements.
  • a lower, elastically deformable support and an upper, elastically deformable clamping disk are preferably provided at the respective fastening points, between which the holding section of the respective bracket is clamped, that is to say clamped "sandwich-like", so to speak.
  • the fastening points for fastening the seat part are also designed in a comparable manner.
  • An end-side section of the respective bracket is clamped between an elastically deformable spacer element on the seat part side and an elastically deformable clamping disk, and also “sandwich-like”.
  • the support frame and the seesaw mechanism are formed in one piece, preferably formed from a tubular material.
  • the tubular frame thus obtained also has two U-shaped brackets. At the cross connections of the u-shaped bracket, the seat part is fastened via, as described above, elastically deformable bearing elements.
  • FIG Figure 1 A first exemplary embodiment of a perspective view of a rocking mechanism 20 of a chair according to the invention is shown in FIG Figure 2 a side view of an alternative rocker mechanism 20.
  • the seesaw mechanism 20 is designed to be arranged or integrated on a support frame 10, as is shown in FIG Figure 1 is shown.
  • a support frame 10 which supports the seat surface 2
  • the support frame 10 being designed with a resilient rocking mechanism 20.
  • the seat surface 2 or the entire seat with the seat surface 2 is mounted on the support frame 10 such that it can be tilted in a spring-movable manner without the need for a pendulum column.
  • the resilient rocking mechanism 20 comprises a first bracket 21 consisting of two lever arms 21a, 21b, each of which is connected to a rear part 10h of the support frame 10.
  • the rocking mechanism 20 has a second bracket 22 with a lever arm 22a, which is connected to a front part 10v of the support frame 10.
  • the two lever arms 21a, 21b of the first bracket 21 essentially extend in a forward direction, while the lever arm 22a (or in the embodiment according to Fig. 6 two lever arms 22a, 22b) of the second bracket 22 extend in a substantially rearward or opposite direction.
  • the term “rear” in the sense of the present invention means the area in relation to the chair on which the backrest or the rear legs of the chair are located, while “front” defines the area on the chair correspondingly opposite, as is also the case the figures emerges.
  • the active dynamic chair 1 is preferably designed in such a way that the seat surface 2 on the resilient rocking mechanism 20 is held in a spring-movable manner via the elastically deformable spacers 25 so that the seat surface 2 moves from a starting position to a deflected position tilted forwards and backwards against the spring force the elastically deformable spacers 25 can be operated.
  • FIG. 6 An alternative exemplary embodiment of a perspective view of a rocker mechanism 20 is shown, in which the two lever arms 22a, 22b of the second bracket 22 are also connected by a connecting arm 22c, so that the bracket 22 is also U-shaped.
  • the second bracket 22 has a holding section 23, consisting of two holding arms 23a, 23b, with which the bracket 22 is connected to the front part 10v of the support frame 10 and a lever arm 22a away from the holding section 23, obliquely upward in one direction in Essentially extends towards the rear part 10h.
  • Fastening points 24 are formed on the first and second brackets 21, 22 with elastically deformable spacer disks 25, to which the seat part 2 is attached on the one hand and which on the other hand produce the connections of the lever arms of the brackets 21, 22.
  • the brackets 21, 22 can be formed in one piece or, alternatively, in several pieces (eg composed of three individual lever arms).
  • the support frame 10 in the shown embodiments has four chair legs 4 which run obliquely towards one another from bottom to top.
  • the brackets 21, 22 are connected to the upper chair leg ends 4a of the chair legs 4 indirectly via chair leg connections 5.
  • FIG. 5 An alternative solution is shown, in which the rocking mechanism 20 is mounted on a central chair column 6, to which an otherwise known base 7 with rollers 8 is connected.
  • the legs 4 of the star base 7 also run obliquely, as in the example Figure 4 .
  • the chair leg connections 5 are an integral part of the bracket 20.
  • the two brackets 21, 22 are fastened with their respective holding sections indirectly to the support frame 2 in the region of the chair leg ends 4a via connecting means 26 and using elastic spacers 25.
  • the support frame 2 after Figure 2 is also connected to four chair legs 4 which run obliquely towards one another from bottom to top and are connected to one another at the upper ends of the chair legs 4a by means of a connecting plate 50.
  • the four chair leg connections 5 are formed directly in one piece on the connecting plate 50.
  • the chair leg connections 5 are designed as cylindrical tubular elements, in the open end of which the chair leg ends 4a of the chair legs 4 are inserted and fastened. A particularly simple assembly can be achieved by a press fit, so that no mechanical connecting materials are required. Additionally or alternatively, an adhesive process can be used to create a mechanical connection between the chair legs 4 and the chair leg connections 5.
  • FIG. 7 and 8th A further alternative exemplary embodiment of the invention is shown, in which the support frame 2 and the rocking mechanism 20 are integrally formed from a tubular material.
  • the inventive concept is also realized by the two spring clips 21, 22, which in this embodiment also intersect in an x-shape Arrangement are designed.

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  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

Die Erfindung betrifft ein aktivdynamisches Sitzmöbel mit einem Sitzteil mit einer Sitzfläche und einem auf einem Tragegestell angeordneten federnden Wippmechanismus.The invention relates to an active dynamic seating furniture with a seat part with a seat and a resilient rocking mechanism arranged on a support frame.

Vor und zurück kippbare oder bewegbare Sitzvorrichtungen und Stühle sind z. B. bereits im Bereich der Aufstehhilfen bekannt und weisen in der üblichen Bauart, elektrisch unterstützte Elemente wie Stellmotoren, Gasdruckzylinder, Federn oder andere Hebevorrichtungen auf. Diese werden vom Benutzer oder einer anderen Person gesteuert und unterstützen den Benutzer des Möbels durch Reduzierung der Kraftanstrengung und Eigenbewegung beim Verlassen der Sitzposition. Solche Lösungen werden bislang meist über Bewegungsabläufe über Kurvenverläufe um eine feste Drehachse realisiert. Um die Mobilität für ältere und bewegungseingeschränkte Personen beim Aufstehen und Hinsetzen weitestgehend zu erhalten, kommen hauptsächlich bekannte Produkte wie Aufstehsessel, autarke Aufstehhilfen für Stühle, o. ä. zum Einsatz.Forwards and backwards tiltable or movable seat devices and chairs are e.g. B. already known in the area of standing up aids and have the usual design, electrically assisted elements such as servomotors, gas pressure cylinders, Springs or other lifting devices. These are controlled by the user or another person and support the user of the furniture by reducing the exertion of force and self-movement when leaving the sitting position. Up to now, such solutions have mostly been implemented by means of motion sequences via curve profiles around a fixed axis of rotation. Well-known products such as stand-up armchairs, self-sufficient stand-up aids for chairs, etc. are used to maintain mobility for older people and those with restricted mobility when getting up and sitting down.

Allerdings zielen diese Mechanismen darauf ab, dass das Verlassen der Sitzposition vereinfacht wird, nicht um dynamische Bewegungen beim Sitzen auszuführen. Neben dieser Unterstützungsfunktion gibt es jedoch auch einen zunehmenden Bedarf an Bewegungsmöglichkeiten eines Sitznutzers auf einem Stuhl. Insbesondere sollen Bewegungen beim Sitzen möglich sein, die verbesserte Durchblutung der Beine, eine Sitzpositionsänderung, die Änderung der Körperhaltung etc. ermöglichen.However, these mechanisms aim to make it easier to leave the sitting position, not to perform dynamic movements while sitting. In addition to this support function, however, there is also an increasing need for movement possibilities of a seat user on a chair. In particular, movements should be possible when sitting, which improve blood circulation in the legs, a change in sitting position, a change in posture, etc.

Aus der Praxis sind auch Stühle bekannt, bei denen die Sitzfläche mitsamt der Rückenlehne beispielsweise zwischen einer Arbeitsstellung und einer so genannten Relax-Stellung um eine Kippachse nach hinten gekippt werden kann. Die dazu erforderlichen Kippbeschläge sind häufig aufwendig und erfordern eine erhebliche Bauhöhe, so dass beispielsweise an Bürostühlen und ähnlichen Funktionsstühlen derartige Funktionsbeschläge akzeptiert werden, im häuslichen oder privaten Bereich hingegen derartige Funktionsbeschläge häufig aus rein ästhetischen Überlegungen nicht erwünscht sind. Ferner bieten solche Sitze keine Bewegungsmöglichkeiten im Sinne der vorliegenden Erfindung. Ausgangspunkt ist es, eine aktivdynamsiche Vor-und Rückbewegung und vorzugsweise auch eine Bewegung in seitlicher Richtung auf dem Sitz durch den Sitznutzer zuzulassen.Chairs are also known in practice in which the seat together with the backrest can be tilted backward about a tilting axis, for example between a working position and a so-called relax position. The tilt fittings required for this are often complex and require a considerable overall height, so that such functional fittings are accepted, for example, on office chairs and similar functional chairs, whereas such functional fittings are often not desired in the home or private area for purely aesthetic reasons. Furthermore, such seats do not offer any possibilities of movement in the sense of the present invention. The starting point is to allow an active dynamic back and forth movement and preferably also a movement in a lateral direction on the seat by the seat user.

Zudem besteht eine bekannte Schwierigkeit darin, eine Abstimmung der Beweglichkeit zwischen der Sitzfläche und der Rückenlehne zu erzielen. Es ist z. B. bekannt, auch in der Rückenlehne zwei relativ zueinander bewegliche Bereiche vorzusehen, indem ein oberer Abschnitt der Rückenlehne gegenüber einem unteren Abschnitt nach hinten abgewinkelt werden kann.In addition, there is a known difficulty in achieving a coordination of the mobility between the seat surface and the backrest. It is Z. B. known to provide two relatively movable areas in the backrest by an upper portion of the backrest can be angled towards a lower portion to the rear.

Aus der DE 202011000805 U1 ist zum Beispiel ein Stuhl mit einer Sitzfläche und einer Rückenlehne, sowie mit einem Untergestell bekannt, welches die Sitzfläche und die Rückenlehne trägt, wobei die Sitzfläche gegenüber dem Untergestell um eine liegende Kippachse kippbar gelagert ist, und die Rückenlehne zwei relativ zueinander bewegliche und übereinander angeordnete Bereiche aufweist, deren oberer Bereich um eine ebenfalls liegende Kippachse gegenüber dem unteren Bereich abwinkelbar ist. Diese Lösung dient aber der unterschiedlichen Einstellbarkeit der Kippbewegung der Sitzfläche und der Rückenlehne, so dass insbesondere abhängig vom Körpergewicht des Benutzers die Kippbeweglichkeit der Sitzfläche und die Kippbeweglichkeit der Rückenlehnenbereiche möglich sind, wobei eine Einstellung der Betätigungskräfte für die Kippbewegungen der Sitzfläche und der Rückenlehne ermöglicht werden.From the DE 202011000805 U1 For example, a chair with a seat and a backrest, as well as with a base frame is known, which supports the seat surface and the backrest, the seat surface being tiltable relative to the base frame about a lying tilt axis, and the backrest being two movable and arranged one above the other Has areas whose upper area can be angled relative to the lower area about a likewise lying tilt axis. However, this solution serves the different adjustability of the tilting movement of the seat surface and the backrest, so that, in particular depending on the body weight of the user, the tilting movement of the seat surface and the tilting movement of the backrest areas are possible, the actuation forces for the tilting movements of the seat surface and the backrest being made possible .

Die hierzu vorgeschlagene Kipp- und Verstellmechanik ist jedoch aufwändig und komplex, was zu hohen Kosten für einen solchen Stuhl führt.The proposed tilting and adjusting mechanism is, however, complex and complex, which leads to high costs for such a chair.

Aus der DE202006005403U ist ebenfalls ein Stuhl bekannt, welcher dem Stuhl der Erfindung ähnlich ist.From the DE202006005403U a chair is also known which is similar to the chair of the invention.

Es besteht ein Bedürfnis danach einen Stuhl bereitzustellen mit einer stabilen, jedoch einfach herzustellenden Kippmechanik, die zumal für unterschiedliche Sitzschalenformen und Stuhltypen verwendbar ist. Ferner soll die Mechanik möglichst ansprechend ausgebildet sein, so dass diese Stühle z. B. auch im privaten Wohnbereich oder in Bereichen mit einem gewissen Anspruch auf ein ansprechendes Design einsetzbar sind. Die Erfindung zielt ferner auf ein Bewegungsmuster ab, das physiognomisch einem dynamischen Sitzen am ehesten entspricht.There is a need to provide a chair with a stable, but easy to manufacture tilt mechanism that can be used for different seat shell shapes and chair types. Furthermore, the mechanics should be designed as appealing as possible, so that these chairs z. B. can also be used in private living areas or in areas with a certain claim to an attractive design. The invention further aims at a movement pattern that most closely corresponds to dynamic sitting in terms of physiognomy.

Der Erfindung liegt deshalb die Aufgabe zugrunde, vorbesagte Aufgaben zu lösen und einen Stuhl mit einer Wippmechanik bereit zu stellen, welche die weiteren Merkmale aufweist, ästhetisch ansprechend zu sein, einfach und kostengünstig in der Herstellung und auch ausreichende Stabilität für Sitznutzer mit höherem Körpergewicht bei der Bewegung sicherstellt.The invention is therefore based on the object to solve the aforementioned tasks and to provide a chair with a rocking mechanism, which has the further features of being aesthetically pleasing, simple and inexpensive to manufacture and also sufficient stability for seat users with a higher body weight at the Ensures movement.

Diese Aufgabe wird durch die Merkmalskombination gemäß Anspruch 1 gelöst.This object is achieved by the combination of features according to claim 1.

Ein Grundgedanke der Erfindung besteht darin einen elastisch federnden Wippmechanismus bereit zu stellen, auf dem ein Sitzteil befestigt wird, um aktivdynamische Bewegungen des Sitznutzers zu ermöglichen. Der erfindungsgemäße Wippmechanismus wird aus gegenläufig angeordneten, vorzugsweise sich überkreuzenden Hebelarmen gebildet, mittels dessen eine Wippbewegung mit dem Sitzteil nach vorne und nach hinten und vorzugsweise auch seitlich erfolgen kann.A basic idea of the invention is to provide an elastically resilient rocking mechanism on which a seat part is fastened in order to enable active dynamic movements of the seat user. The rocking mechanism according to the invention is formed from oppositely arranged, preferably crossing lever arms, by means of which a rocking movement can take place with the seat part forwards and backwards and preferably also laterally.

Erfindungsgemäß wird hierzu ein Sitzmöbel gemäß Anspruch 1 bereitgestellt.According to the invention, seating furniture according to claim 1 is provided for this purpose.

Der federnde Wippmechanismus bildet einen ersten Bügel umfassend wenigstens einen Hebelarm aus, der jeweils mit einem hinteren Teil des Traggestells verbunden ist sowie einen zweiten Bügel mit wenigstens einem Hebelarm, der oder die jeweils mit einem vorderen Teil des Traggestells verbunden ist bzw. sind, wobei sich der oder die Hebelarme des ersten Bügels im Wesentlichen in eine nach vorne gerichtete Richtung (schräg nach oben) erstrecken, während sich der oder die Hebelarme des zweiten Bügels in eine im Wesentlichen nach hinten gerichtete Richtung (schräg nach oben) erstrecken.The resilient rocker mechanism forms a first bracket comprising at least one lever arm, which is each connected to a rear part of the support frame and a second bracket with at least one lever arm, which is or are respectively connected to a front part of the support frame, the lever arm or arms of the first bracket essentially extending in a forward direction (obliquely upward), while the lever arm or arms of the second bracket extend in extend a substantially rearward direction (obliquely upward).

Dadurch entsteht eine Überkreuzung der Hebelarme der beiden Bügel.This creates a crossover of the lever arms of the two brackets.

In einer bevorzugten Ausgestaltung der Erfindung ist vorgesehen, dass das Sitzteil (bzw. die Unterseite des Sitzteils) am federnden Wippmechanismus so gehalten ist, dass die Sitzfläche von einer Ausgangsposition sowohl in eine nach vorne als auch nach hinten gekippte ausgelenkte Position entgegen der Federkraft von elastischen Elementen betätigt werden kann. Bei einem Wippen nach vorne wird die vordere Kante des Sitzteils nach unten bewegt, während die hintere Kante des Sitzteils in ihrer relativen Höhenlage bleibt oder nach oben bewegt wird, so dass sich eine mit dem Sitzteil verbundene Rückenlehne nach vorne neigt. Bei einem Kippen nach hinten wird die hintere Kante des Sitzteils nach unten bewegt, während die hintere Kante des Sitzteils in ihrer relativen Höhenlage bleibt oder nach unten bewegt wird, so dass sich eine mit dem Sitzteil verbundene Rückenlehne nach hinten neigt. Bei dieser wippenden Vor- und Rückbewegung werden die elastischen Elemente, an denen die Hebelarme befestigt sind, elastisch verformt. Hierzu sind bevorzugt elastisch verformbare Scheiben oder elastische Distanzelemente an den Bügeln bzw. den Hebelarmen an den Verbindungspositionen mit dem Sitzteil und weiter bevorzugt an den Verbindungspositionen mit einem Tragegestell oder einem Träger angebracht. Die elastischen Elemente können dabei auch aus mehreren getrennten elastischen Elementen gebildet werden, die in geeigneter Anordnung übereinander an den Befestigungspunkten bzw. Verbindungspositionen zum Stuhlteil und Traggestell hin angebracht sind. Die Hebelarme werden dabei mit Vorteil "sandwichartig" von wenigstens zwei elastisch verformbaren Elementen umgeben. Weiter vorteilhaft ist es, wenn sich mittels einer Betätigungsvorrichtung oder Verstellvorrichtung die Vorspannung bzw. die Elastizität und/oder Federeigenschaft der elastisch verformbaren Elemente einstellen lässt, so dass dies eine unmittelbare Auswirkung auf die Bewegungscharakteristik der Wippbewegung hat.In a preferred embodiment of the invention, it is provided that the seat part (or the underside of the seat part) is held on the resilient rocking mechanism in such a way that the seat surface is deflected from an initial position into a deflected position that is tilted forwards and backwards, against the spring force of elastic ones Elements can be operated. When rocking forward, the front edge of the seat part is moved downwards, while the rear edge of the seat part remains in its relative height or is moved upwards, so that a backrest connected to the seat part tilts forward. When tilted backwards, the rear edge of the seat part is moved downwards, while the rear edge of the seat part remains in its relative height or is moved downwards, so that a backrest connected to the seat part tilts backwards. During this rocking forward and backward movement, the elastic elements to which the lever arms are attached are elastically deformed. For this purpose, elastically deformable disks or elastic spacing elements are preferably attached to the brackets or the lever arms at the connecting positions with the seat part and more preferably at the connecting positions with a carrying frame or a carrier. The elastic elements can also be formed from several separate elastic elements, which are arranged in a suitable arrangement one above the other at the fastening points or connection positions to the chair part and support frame are attached. The lever arms are advantageously "sandwich-like" surrounded by at least two elastically deformable elements. It is also advantageous if the prestressing or the elasticity and / or spring property of the elastically deformable elements can be set by means of an actuating device or adjusting device, so that this has a direct effect on the movement characteristics of the rocking movement.

Besonders geeignet ist eine Ausgestaltung bei der am ersten und zweiten Bügel jeweils Befestigungspunkte vorzugsweise montiert an bzw. mit elastischen Distanzscheiben vorgesehen sind, an denen das Sitzteil befestigt ist.A configuration is particularly suitable in which fastening points are preferably provided on the first and second bracket, respectively mounted on or with elastic spacers, to which the seat part is fastened.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass wenigstens einer der Bügel zwei Hebelarme besitzt und die beiden Hebelarme dieses Bügels durch einen Verbindungsarm u-förmig miteinander verbunden sind.In a further advantageous embodiment of the invention it is provided that at least one of the brackets has two lever arms and the two lever arms of this bracket are connected to one another in a U-shape by a connecting arm.

Weiter ist mit Vorteil vorgesehen, dass beide Bügel je zwei Hebelarme besitzen und diese durch je einen Verbindungsarm u-förmig miteinander verbunden sind. Bevorzugt ragt dar eine Bügel durch die u-förmige Öffnung des anderen Bügel schräg hindurch, so dass sich die Hebelarme der Bügel überkreuzen.It is also advantageously provided that both brackets each have two lever arms and these are connected to one another in a U-shape by a connecting arm. Preferably, one bracket projects through the U-shaped opening of the other bracket at an angle, so that the lever arms of the bracket cross each other.

In einer ebenfalls vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass der weitere Bügel einen Halteabschnitt bestehend aus zwei Haltearme besitzt mit denen der Bügel jeweils an dem vorderen Teil des Traggestells verbunden ist und sich ein Hebelarm vom Halteabschnitt weg, schräg nach oben in eine Richtung im Wesentlichen zum hinteren Teil hin erstreckt.In a likewise advantageous embodiment of the invention it is provided that the further bracket has a holding section consisting of two holding arms with which the bracket is connected in each case to the front part of the support frame and a lever arm extends away from the holding section, essentially obliquely upwards in one direction extends to the rear.

In einer bevorzugten Ausgestaltung besitzt das Traggestell vier Stuhlbeine, die von unten nach oben schräg aufeinander zu verlaufen (vorzugsweise eine Pyramidenform ausbilden) und die Bügel an den oberen Stuhlbeinenden der Stuhlbeine mittelbar oder unmittelbar mit diesen verbunden sind.In a preferred embodiment, the support frame has four chair legs which run obliquely from bottom to top (preferably form a pyramid shape) and the brackets at the upper ends of the chair legs of the chair legs are connected directly or indirectly to them.

Eine unmittelbare Verbindung kann z. B. durch eine die oberen Stuhlbeinenden verbindende Kopfplatte oder H-förmige Verbindungsstruktur erfolgen aus der Montagebolzen oder Verbindungselemente angebracht sind an oder mit denen die jeweiligen Bügel an ihren Halteabschnitten befestigt sind.A direct connection can e.g. B. by a head plate connecting the upper chair leg ends or H-shaped connecting structure from which mounting bolts or connecting elements are attached to or with which the respective brackets are fastened to their holding sections.

Besonders von Vorteil ist dabei eine Ausführung eines Traggestells, wobei der Verlauf des ersten Bügels wie folgt ausgebildet ist:

  • ein Halteabschnitt des ersten Hebelarms ist unmittelbar oberhalb eines ersten z. B. hinteren Stuhlbeins befestigt oder mit diesem mittelbar oder unmittelbar über elastisch verformbare Lagerelemente (Scheiben) verbunden;
  • der Hebelarm verläuft dann schräg hoch nach vorne zu einem ersten Sitzteilbefestigungspunkt für das Sitzteil an dem ebenfalls wenigstens ein elastisch verformbares Lager zum Sitzteil hin angebracht ist;
  • von diesem ersten Sitzteilbefestigungspunkt des ersten Bügels verläuft ein Verbindungsarm des Bügels zu einem zweiten Sitzteilbefestigungspunkt an den sich der zweite Hebelarm des Bügels anschließt (hier ist ebenfalls wenigstens ein elastisch verformbares Lager in Richtung zum Stuhl hin am Befestigungspunkt vorgesehen);
  • der zweite Hebelarm verläuft in Richtung zu einem zweiten (demnach) hinteren Stuhlbein schräg nach unten und hinten (sozusagen in etwa parallel zum ersten Hebelarm) und ist mit seinem Halteabschnitt unmittelbar oberhalb des zweiten hinteren Stuhlbeins über ein elastisch verformbares Lager befestigt bzw. mit diesem mittelbar darüber verbunden.
An embodiment of a support frame is particularly advantageous, the course of the first bracket being designed as follows:
  • a holding portion of the first lever arm is immediately above a first z. B. fixed rear leg or connected to it indirectly or directly via elastically deformable bearing elements (discs);
  • the lever arm then runs obliquely upwards to a first seat part attachment point for the seat part, to which at least one elastically deformable bearing is also attached to the seat part;
  • A connecting arm of the bracket runs from this first seat part fastening point of the first bracket to a second seat part fastening point to which the second lever arm of the bracket is connected (here, too, at least one elastically deformable bearing is provided towards the chair at the fastening point);
  • the second lever arm runs obliquely downwards and backwards in the direction of a second (accordingly) rear chair leg (so to speak approximately parallel to the first lever arm) and is attached with its holding section directly above the second rear chair leg via an elastically deformable bearing or indirectly with this connected about it.

Hierdurch wird ein u-förmiger Bügel erhalten, welcher mit seinen jeweiligen Halteabschnitten jeweils unmittelbar oberhalb von den zwei hinteren Stuhlbeinen befestigt ist.In this way, a U-shaped bracket is obtained, which is fastened with its respective holding sections directly above the two rear chair legs.

Weiter vorteilhaft ist es, wenn der Verlauf des zweiten Bügels wie folgt ausgebildet ist:

  • zwei Haltearme des zweiten Bügels bilden einen Halteabschnitt mit zwei mit elastisch verformbaren Lagerelementen ausgestatteten Befestigungspunkten für diesen Bügel und diese sind jeweils endseitig unmittelbar oberhalb eines jeweils vorderen Stuhlbeins befestigt bzw. jeweils mit diesem mittelbar über elastische Lager verbunden;
  • ein Hebelarm schließt sich an den Halteabschnitt an und verläuft nach schräg hinten und geht über in einen v-fömigen Befestigungsabschnitt für das Sitzteil, bestehend aus zwei Befestigungsarmen an deren Armenden jeweils elastisch verformbare Lager und Sitzteilbefestigungspunkte für das Sitzteil angebracht sind.
It is further advantageous if the course of the second bracket is designed as follows:
  • two holding arms of the second bracket form a retaining section with two attachment points equipped with elastically deformable bearing elements for this bracket and these are each attached at the ends directly above a respective front chair leg or respectively indirectly connected to this via elastic bearings;
  • a lever arm adjoins the holding section and extends obliquely to the rear and merges into a v-shaped fastening section for the seat part, consisting of two fastening arms on the arm ends of which elastically deformable bearings and seat part fastening points for the seat part are attached.

Hierdurch wird ein in etwa H-förmiger Bügel erhalten, welcher mit seinen traggestellseitigen Halteabschnitten jeweils unmittelbar oberhalb von den zwei vorderen Stuhlbeinen befestigt ist.In this way, an approximately H-shaped bracket is obtained, which is fastened with its support sections on the supporting frame directly above the two front chair legs.

Somit ragt der eine Bügel schräg hoch nach hinten und der andere Bügel schräg hoch nach vorne und die Hebelarme der beiden Bügel überkreuzen sich dazwischen.Thus, one bracket protrudes upwards at an angle and the other bracket upwards at an angle, and the lever arms of the two brackets cross between them.

Somit ist mit Vorteil vorgesehen, dass die beiden Bügel mit ihren jeweiligen Halteabschnitten mittelbar über elastisch verformbare Lager an Verbindungsmittel, vorzugsweise unter Verwendung elastisch verformbarer Distanzscheiben am Traggestell jeweils im Bereich der Stuhlbeinenden befestigt sind, so dass die elastischen Eigenschaften für die Wippbeweglichkeit zumindest teilweise oder überwiegend aus der elastischen Verformbarkeit der elastischen Distanzscheiben oder elastisch verformbaren Distanzelemente erfolgt. Hierzu wird bevorzugt jeweils ein unteres elastisch verformbares Auflager und eine obere elastisch verformbare Klemmscheibe an den jeweiligen Befestigungspunkten vorgesehen, zwischen denen der Halteabschnitt des jeweiligen Bügels eingespannt und zwar sozusagen "sandwichartig" eingespannt ist.It is thus advantageously provided that the two brackets with their respective holding sections are fastened indirectly to the support frame in the region of the chair leg ends via elastically deformable bearings on connecting means, preferably using elastically deformable spacers that the elastic properties for the rocking mobility take place at least partially or predominantly from the elastic deformability of the elastic spacers or elastically deformable spacer elements. For this purpose, a lower, elastically deformable support and an upper, elastically deformable clamping disk are preferably provided at the respective fastening points, between which the holding section of the respective bracket is clamped, that is to say clamped "sandwich-like", so to speak.

In einer vergleichbaren Weise sind auch die Befestigungspunkte zum Befestigen des Sitzteils ausgebildet. Ein endseitiger Abschnitt des jeweiligen Bügels wird zwischen einem sitzteilseitigen elastisch verformbaren Distanzelement und einer elastisch verformbare Klemmscheibe eingespannt und zwar ebenfalls "sandwichartig".The fastening points for fastening the seat part are also designed in a comparable manner. An end-side section of the respective bracket is clamped between an elastically deformable spacer element on the seat part side and an elastically deformable clamping disk, and also “sandwich-like”.

Die gewünschte Elastizität des Wippmechanismus lässt sich insofern je nach Material und Geometrie der beteiligten elastischen Elemente entsprechend einstellen.
In einer anderen bevorzugten Ausgestaltung der Erfindung sind das Traggestell und der Wippmechanismus einstückig ausgebildet, vorzugsweise aus einem Rohrmaterial geformt. Das so erhaltene Rohrgestell besitzt ebenfalls zwei u-fömige Bügel. An den Querverbindungen der u-förmigen Bügel ist das Sitzteil über, wie zuvor beschriebenen elastisch verformbaren Lagerelemente befestigt.The desired elasticity of the rocker mechanism can be adjusted accordingly depending on the material and geometry of the elastic elements involved.
In another preferred embodiment of the invention, the support frame and the seesaw mechanism are formed in one piece, preferably formed from a tubular material. The tubular frame thus obtained also has two U-shaped brackets. At the cross connections of the u-shaped bracket, the seat part is fastened via, as described above, elastically deformable bearing elements.

Andere vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet bzw. werden nachstehend zusammen mit der Beschreibung der bevorzugten Ausführung der Erfindung anhand der Figuren näher dargestellt. Es zeigen:

Fig. 1
ein Ausführungsbeispiel einer perspektivischen Ansicht eines Wippmechanismus eines erfindungsgemäßen Stuhls;
Fig. 2
eine Seitenansicht eines alternativen Wippmechanismus;
Fig. 3
ein alternatives Ausführungsbeispiel einer perspektivischen Ansicht eines Wippmechanismus;
Fig. 4
ein erfindungsgemäßer Stuhl;
Fig. 5
eine alternative Ausführung eines erfindungsgemäßen Stuhls mit Rollen mit einer Kippvorrichtung;
Fig. 6
ein alternatives Ausführungsbeispiel einer perspektivischen Ansicht eines Wippmechanismus eines erfindungsgemäßen Stuhls;
Fig. 7
ein alternatives Ausführungsbeispiel einer Konstruktion eines Traggestells mit integriertem Wippmechanismus und
Fig. 8
ein Stuhl mit dem Traggestell gemäß Figur 7.
Other advantageous developments of the invention are characterized in the subclaims or are shown below together with the description of the preferred embodiment of the invention with reference to the figures. Show it:
Fig. 1
an embodiment of a perspective view of a Rocking mechanism of a chair according to the invention;
Fig. 2
a side view of an alternative rocker mechanism;
Fig. 3
an alternative embodiment of a perspective view of a rocker mechanism;
Fig. 4
a chair according to the invention;
Fig. 5
an alternative embodiment of a chair according to the invention with rollers with a tilting device;
Fig. 6
an alternative embodiment of a perspective view of a rocking mechanism of a chair according to the invention;
Fig. 7
an alternative embodiment of a construction of a support frame with an integrated seesaw mechanism and
Fig. 8
a chair with the frame according to Figure 7 .

Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen mit Bezug auf die Figuren 1 bis 8 näher beschrieben, wobei gleiche Bezugszeichen auf gleiche strukturelle und/oder funktionale Merkmale hinweisen.The invention is explained below using exemplary embodiments with reference to FIG Figures 1 to 8 described in more detail, the same reference numerals indicating the same structural and / or functional features.

In der Figur 1 ist ein erstes Ausführungsbeispiel einer perspektivischen Ansicht eines Wippmechanismus 20 eines erfindungsgemäßen Stuhls gezeigt und in der Figur 2 eine Seitenansicht eines alternativen Wippmechanismus 20.In the Figure 1 A first exemplary embodiment of a perspective view of a rocking mechanism 20 of a chair according to the invention is shown in FIG Figure 2 a side view of an alternative rocker mechanism 20.

Der Wippmechanismus 20 ist ausgelegt an einem Traggestell 10 angeordnet oder integriert zu werden, so wie dies in der Figur 1 gezeigt ist. In diesem Zusammenhang wird auf die Figuren 4 und 5 Bezug genommen in denen jeweils ein aktivdynamischer Stuhl 1 mit einer Sitzfläche 2 und mit einem Traggestell 10 gezeigt ist, welches die Sitzfläche 2 trägt, wobei das Traggestell 10 mit einem federnden Wippmechanismus 20 ausgebildet ist.The seesaw mechanism 20 is designed to be arranged or integrated on a support frame 10, as is shown in FIG Figure 1 is shown. In this context, the Figures 4 and 5 Reference is made in each case to an active dynamic chair 1 with a seat surface 2 and with a support frame 10 which supports the seat surface 2, the support frame 10 being designed with a resilient rocking mechanism 20.

Durch eine solche Ausgestaltung ist die Sitzfläche 2 bzw. der ganze Sitz mit der Sitzfläche 2 federbeweglich kippbar am Traggestell 10 gelagert ohne dass es einer Pendelsäule dazu bedarf.By means of such a configuration, the seat surface 2 or the entire seat with the seat surface 2 is mounted on the support frame 10 such that it can be tilted in a spring-movable manner without the need for a pendulum column.

Der federnde Wippmechanismus 20 umfasst einen ersten Bügel 21 bestehend aus zwei Hebelarmen 21a, 21b, die jeweils mit einem hinteren Teil 10h des Traggestells 10 verbunden sind.The resilient rocking mechanism 20 comprises a first bracket 21 consisting of two lever arms 21a, 21b, each of which is connected to a rear part 10h of the support frame 10.

Ferner weist der Wippmechanismus 20 einen zweiten Bügel 22 mit einem Hebelarm 22a auf, der mit einem vorderen Teil 10v des Traggestells 10 verbunden sind.Furthermore, the rocking mechanism 20 has a second bracket 22 with a lever arm 22a, which is connected to a front part 10v of the support frame 10.

Es ist zu erkennen, dass sich die beiden Hebelarme 21a, 21b des ersten Bügels 21 im Wesentlichen in eine nach vorne gerichtete Richtung erstrecken, während sich der Hebelarm 22a (bzw. in der Ausführung nach Fig. 6 zwei Hebelarme 22a, 22b) des zweiten Bügels 22 in eine im Wesentlichen nach hinten bzw. entgegengesetzt gerichtete Richtung erstrecken. Mit den Bezeichnungen "hinten" im Sinne der vorliegenden Erfindung ist jeweils der Bereich in Bezug auf den Stuhl gemeint, an dem sich die Rückenlehne bzw. die hinteren Stuhlbeine befinden während "vorne" der am Stuhl entsprechend gegenüberliegende Bereich definiert, so wie dies auch aus den Figuren hervorgeht.It can be seen that the two lever arms 21a, 21b of the first bracket 21 essentially extend in a forward direction, while the lever arm 22a (or in the embodiment according to Fig. 6 two lever arms 22a, 22b) of the second bracket 22 extend in a substantially rearward or opposite direction. The term “rear” in the sense of the present invention means the area in relation to the chair on which the backrest or the rear legs of the chair are located, while “front” defines the area on the chair correspondingly opposite, as is also the case the figures emerges.

Man kann in einer allgemeinen Beschreibung den Verlauf des ersten Bügels 21 wie folgt beschreiben:

  • ein Halteabschnitt 21h des ersten Hebelarms 21a ist unmittelbar oberhalb eines hinteren Stuhlbeins 4 befestigt oder mit diesem mittelbar oder unmittelbar verbunden;
  • der Hebelarm 21a verläuft schräg hoch nach vorne zu einem ersten Sitzteilbefestigungspunkt 24 für das Sitzteil 2;
  • vom ersten Sitzteilbefestigungspunkt 24 verläuft ein Verbindungsarm 21c des Bügels 21 zu einem zweiten Sitzteilbefestigungspunkt 24 an den sich der zweite Hebelarm 21b des Bügels 21 anschließt;
  • der zweite Hebelarm 21b verläuft in Richtung zu einem zweiten hinteren Stuhlbein 4 schräg nach unten und hinten und ist mit seinem Halteabschnitt 21h unmittelbar oberhalb des zweiten hinteren Stuhlbeins 4 befestigt oder mit diesem mittelbar oder unmittelbar verbunden.
The course of the first bracket 21 can be described as follows in a general description:
  • a holding section 21h of the first lever arm 21a is fastened directly above a rear chair leg 4 or is indirectly or directly connected thereto;
  • the lever arm 21a extends obliquely upwards to a first seat part fastening point 24 for the seat part 2;
  • A connecting arm 21c of the bracket 21 extends from the first seat part fastening point 24 to a second seat part fastening point 24 to which the second lever arm 21b of the bracket 21 is connected;
  • the second lever arm 21b runs obliquely downwards and backwards in the direction of a second rear chair leg 4 and is fastened with its holding section 21h directly above the second rear chair leg 4 or indirectly or directly connected to it.

Man kann in einer allgemeinen Beschreibung den Verlauf des zweiten Bügels 22 wie folgt beschreiben (siehe hierzu Fig. 1):

  • zwei Haltearme 23a, 23b, die einen Halteabschnitt 23 des Bügels 22 bilden sind jeweils endseitig unmittelbar oberhalb eines vorderen Stuhlbeins 4 befestigt bzw. mit diesem mittelbar verbunden;
  • ein Hebelarm 22a verläuft nach schräg hinten und geht über in einen v-fömigen Befestigungsabschnitt 27 bestehend aus zwei Befestigungsarmen 27a, 27b an deren Armenden jeweils Sitzteilbefestigungspunkte 24 für das Sitzteil 2 angebracht sind.
The course of the second bracket 22 can be described in a general description as follows (see here Fig. 1 ):
  • two holding arms 23a, 23b, which form a holding section 23 of the bracket 22, are in each case fastened at the ends directly above a front chair leg 4 or indirectly connected thereto;
  • a lever arm 22a extends obliquely to the rear and merges into a V-shaped fastening section 27 consisting of two fastening arms 27a, 27b, on the arm ends of which seat part fastening points 24 for the seat part 2 are attached.

Der aktivdynamischer Stuhl 1 ist bevorzugt so ausgestaltet, dass die Sitzfläche 2 am federnden Wippmechanismus 20 über die elastisch verformbaren Distanzscheiben 25 so federbeweglich gehalten ist, dass die Sitzfläche 2 von einer Ausgangsposition sowohl in eine nach vorne als auch nach hinten gekippte ausgelenkte Position entgegen der Federkraft der elastisch verformbaren Distanzscheiben 25 betätigt werden kann.The active dynamic chair 1 is preferably designed in such a way that the seat surface 2 on the resilient rocking mechanism 20 is held in a spring-movable manner via the elastically deformable spacers 25 so that the seat surface 2 moves from a starting position to a deflected position tilted forwards and backwards against the spring force the elastically deformable spacers 25 can be operated.

In den Figur 1 und 2 ist eine Ausgestaltung dargestellt, bei dem die zwei Hebelarme 21a, 21b des ersten Bügels 21 durch einen Verbindungsarm 21c verbunden sind, so dass der Bügel 21 u-förmig ausgestaltet ist.In the Figure 1 and 2nd An embodiment is shown in which the two lever arms 21a, 21b of the first bracket 21 are connected by a connecting arm 21c, so that the bracket 21 is U-shaped.

In der Figur 6 ist ein alternatives Ausführungsbeispiel einer perspektivischen Ansicht eines Wippmechanismus 20 gezeigt, bei dem auch die zwei Hebelarme 22a, 22b des zweiten Bügels 22 durch einen Verbindungsarm 22c verbunden sind, so dass der Bügel 22 ebenfalls u-förmig ausgestaltet ist.In the Figure 6 An alternative exemplary embodiment of a perspective view of a rocker mechanism 20 is shown, in which the two lever arms 22a, 22b of the second bracket 22 are also connected by a connecting arm 22c, so that the bracket 22 is also U-shaped.

In der Ausführung nach Figur 1 und 2, besitzt der zweite Bügel 22 einen Halteabschnitt 23, bestehend aus zwei Haltearme 23a, 23b, mit denen der Bügel 22 an dem vorderen Teil 10v des Traggestells 10 verbunden ist und sich ein Hebelarm 22a vom Halteabschnitt 23 weg, schräg nach oben in eine Richtung im Wesentlichen zum hinteren Teil 10h hin erstreckt.In execution after Figure 1 and 2nd , the second bracket 22 has a holding section 23, consisting of two holding arms 23a, 23b, with which the bracket 22 is connected to the front part 10v of the support frame 10 and a lever arm 22a away from the holding section 23, obliquely upward in one direction in Essentially extends towards the rear part 10h.

Am ersten und zweiten Bügel 21, 22 sind Befestigungspunkte 24 mit elastisch verformbaren Distanzscheiben 25 ausgebildet, an denen einerseits das Sitzteil 2 befestigt ist und die andererseits die Verbindungen der Hebelarme der Bügel 21, 22 herstellen. Die Bügel 21, 22 können dabei einstückig oder alternativ mehrstückig (z. B. aus drei einzelnen Hebelarmen zusammengesetzt) ausgebildet sein.Fastening points 24 are formed on the first and second brackets 21, 22 with elastically deformable spacer disks 25, to which the seat part 2 is attached on the one hand and which on the other hand produce the connections of the lever arms of the brackets 21, 22. The brackets 21, 22 can be formed in one piece or, alternatively, in several pieces (eg composed of three individual lever arms).

Ferner weist das Traggestell 10 in den gezeigten Ausführungen vier Stuhlbeine 4 auf, die von unten nach oben schräg aufeinander zu verlaufen. Die Bügel 21, 22 sind an den oberen Stuhlbeinenden 4a der Stuhlbeine 4 mittelbar über Stuhlbeinanschlüsse 5 mit diesen verbunden. In der Figur 5 ist eine alternative Lösung gezeigt, bei dem der Wippmechanismus 20 auf einer zentralen Stuhlsäule 6 montiert ist, an die sich ein ansonsten bekanntes Fußkreuz 7 mit Rollen 8 anschließt. Die Beine 4 des Fußkreuzes 7 verlaufen ebenfalls schräg, wie in dem Beispiel nach Figur 4.
In der Figur 6 ist zu erkennen, wie die Stuhlbeinanschlüsse 5 integraler Bestandteil des Bügels 20 sind.Furthermore, the support frame 10 in the shown embodiments has four chair legs 4 which run obliquely towards one another from bottom to top. The brackets 21, 22 are connected to the upper chair leg ends 4a of the chair legs 4 indirectly via chair leg connections 5. In the Figure 5 An alternative solution is shown, in which the rocking mechanism 20 is mounted on a central chair column 6, to which an otherwise known base 7 with rollers 8 is connected. The legs 4 of the star base 7 also run obliquely, as in the example Figure 4 .
In the Figure 6 can be seen how the chair leg connections 5 are an integral part of the bracket 20.

Die beiden Bügel 21, 22 sind mit ihren jeweiligen Halteabschnitten mittelbar über Verbindungsmittel 26 und unter Verwendung elastischer Distanzscheiben 25 am Traggestell 2 jeweils im Bereich der Stuhlbeinenden 4a befestigt sind.The two brackets 21, 22 are fastened with their respective holding sections indirectly to the support frame 2 in the region of the chair leg ends 4a via connecting means 26 and using elastic spacers 25.

Das Traggestell 2 nach Figur 2 ist ferner mit vier Stuhlbeine 4 verbunden, die von unten nach oben schräg aufeinander zu verlaufen und an den oberen Stuhlbeinenden 4a mittels einer Verbindungsplatte 50 miteinander verbunden sind. An der Verbindungsplatte 50 sind die vier Stuhlbeinanschlüsse 5 unmittelbar einstückig ausgebildet. Die Stuhlbeinanschlüsse 5 sind als zylinderrohrförmige Elemente ausgebildet in deren offenem Ende die Stuhlbeinenden 4a der Stuhlbeine 4 hineingesteckt und befestigt sind. Eine besonders einfache Montage kann durch eine Presspassung erzielt werden, so dass keine mechanischen Verbindungsmaterialien benötigt werden. Ergänzend oder alternativ kann ein Klebeverfahren verwendet werden, um eine mechanische Verbindung zwischen den Stuhlbeinen 4 und den Stuhlbeinanschlüssen 5 zu schaffen.The support frame 2 after Figure 2 is also connected to four chair legs 4 which run obliquely towards one another from bottom to top and are connected to one another at the upper ends of the chair legs 4a by means of a connecting plate 50. The four chair leg connections 5 are formed directly in one piece on the connecting plate 50. The chair leg connections 5 are designed as cylindrical tubular elements, in the open end of which the chair leg ends 4a of the chair legs 4 are inserted and fastened. A particularly simple assembly can be achieved by a press fit, so that no mechanical connecting materials are required. Additionally or alternatively, an adhesive process can be used to create a mechanical connection between the chair legs 4 and the chair leg connections 5.

Wie in der Figur 3 ist ersichtlich, dass sich für den gewünschten Kippeffekt mittels der federnden Kippvorrichtung 20 die Hebelarme 21a, 21b und 22a, 22b der beiden Bügel 21, 22 von der Stuhlseite betrachtet in etwa x-förmig überkreuzen. Eine vergleichbare Ausgestaltung ist gut in der Seitenansicht der Figur 2 zu erkennen, bei der die x-förmige Anordnung der beiden Bügel 21, 22 zu erkennen ist.Like in the Figure 3 it can be seen that, for the desired tilting effect, the lever arms 21a, 21b and 22a, 22b of the two brackets 21, 22, viewed from the chair side, cross approximately in an x-shape by means of the resilient tilting device 20. A comparable embodiment is good in the side view of FIG Figure 2 can be seen in which the x-shaped arrangement of the two brackets 21, 22 can be seen.

In den Figuren 7 und 8 ist ein weiteres alternatives Ausführungsbeispiel der Erfindung gezeigt, bei dem das Traggestell 2 und der Wippmechanismus 20 integral bzw. einstückig aus einem Rohrmaterial geformt sind. Das erfinderische Konzept ist dabei ebenfalls durch die beiden Federbügel 21, 22 realisiert, die in dieser Ausführung auch in einer sich x-förmig überkreuzenden Anordnung gestaltet sind.In the Figures 7 and 8th A further alternative exemplary embodiment of the invention is shown, in which the support frame 2 and the rocking mechanism 20 are integrally formed from a tubular material. The inventive concept is also realized by the two spring clips 21, 22, which in this embodiment also intersect in an x-shape Arrangement are designed.

Die Erfindung beschränkt sich in ihrer Ausführung nicht auf die vorstehend angegebenen bevorzugten Ausführungsbeispiele. Vielmehr ist im Rahmen der Patentansprüche eine Anzahl von Varianten denkbar, welche von der dargestellten Lösung auch bei grundsätzlich anders gearteten Ausführungen Gebrauch macht. So kann der jeweils zuvor beschriebene Verlauf und die Orientierung der Bügel genau in umgekehrter bzw. entgegengesetzter Richtung oder spiegelbildlich sein.The embodiment of the invention is not limited to the preferred exemplary embodiments specified above. Rather, within the scope of the patent claims, a number of variants are conceivable which make use of the solution shown even in the case of fundamentally different types. For example, the previously described course and the orientation of the brackets can be exactly in the opposite or opposite direction or a mirror image.

Claims (13)

  1. Active-dynamic seating furniture (1) having a seat part with a seat surface (2) of a seating furniture and a resilient rocking mechanism (20) for the seat part, arranged on a supporting frame (10), for executing movements with the seat part relative to the supporting frame (10), wherein the seat part is spring movably tiltably mounted on the supporting frame (10), wherein the resilient rocking mechanism (20) comprises a first bracket (21) comprising at least one lever arm (21a), 21b), which is respectively connectable to a rear portion (10h) of the supporting frame (10), and a second bracket (22) having at least one lever arm (22a, 22b), which is respectively connectable to a front portion (10v) of the supporting frame (10), wherein the seat part is attached to the brackets (21, 22) by means of elastically deformable bearings (25) and wherein the seat part is attached to the rocker mechanism (20) by means of the elastically deformable bearings (25).
  2. Active-dynamic seating furniture (1) having a resilient rocking mechanism (20) according to claim 1, wherein the lever arm or arms (21a, 21b) of the first bracket (21) extend in a substantially forward direction, while the lever arm or arms (22a, 22b) of the second bracket (22) extend in a substantially rearward direction and thereby cross over each other.
  3. Active-dynamic seating furniture (1) with a resilient rocking mechanism (20) according to claim 1 or 2, characterized in that the seat part having the seat surface (2) is held on the resilient rocking mechanism (20) in such a way that the seat surface (2) can be actuated from an initial position both into a forwardly and rearwardly tilted deflected position against the spring force of the elastically deformable bearings (25).
  4. Active-dynamic seating furniture (1) having a resilient rocking mechanism (20) according to claim 1, 2 or 3, characterized in that at least one of the brackets (21, 22) has two lever arms (21a, 21b or 22a, 22b) and the two lever arms of this bracket (21, 22) are u-shaped connected to one another by a connecting arm (21c).
  5. Active-dynamic seating furniture (1) having a resilient rocking mechanism (20) according to one of the preceding claims, characterized in that both brackets (21, 22) have two lever arms (21a, 21b or 22a, 22b) and the two lever arms of the respective bracket (21, 22) are u-shaped connected to one another by respectively a connecting arm (21c, 22c).
  6. Active-dynamic seating furniture (1) according to one of the preceding claims, characterized in that the further bracket (22) has a holding section (23) consisting of two holding arms (23a, 23b) to which the bracket (22) is connected in each case at the front part (10v) of the supporting frame (10) and a lever arm (22a) extends away from the holding section (23), obliquely upwards in a direction substantially towards the rear part (10h).
  7. Active-dynamic seating furniture (1) according to one of the preceding claims, characterized in that fixing points (24) with elastically deformable spacers (25) to which the seat part (2) is fixed are provided on the first and second brackets (21,22).
  8. Active-dynamic seating furniture (1) according to one of the preceding claims, characterized in that the supporting frame (2) has four chair legs (4) which run obliquely towards one another from bottom to top, and the brackets (21, 22) at the upper chair leg ends (4a) of the chair legs (4) are indirectly connected to these chair legs (4) by means of elastically deformable bearings (25).
  9. Active-dynamic seating furniture (1) according to claim 8, characterized in that the brackets (21, 22) with their respective holding sections are fastened to the supporting frame (2) indirectly by means of connecting means (26) and using elastic spacers (25) respectively in the region of the chair leg ends (4a).
  10. Active-dynamic seating furniture (1) according to one of the preceding claims, characterized in that the supporting frame (2) has four chair legs (4) which run obliquely towards each other from bottom to top and are connected to each other at the upper chair leg ends (4a) by means of a connecting plate (50).
  11. Active dynamic seating furniture (1) according to one of the preceding claims, characterized in that the lever arms (21a, 21b or 22a, 22b) of the two brackets (21, 22) cross each other in an approximately x-shaped manner when viewed from the chair side.
  12. Active-dynamic seating furniture (1) according to one of the preceding claims, characterized in that the supporting frame (2) and the rocking mechanism (20) are formed integrally, preferably formed from a tubular material.
  13. Active-dynamic seating furniture (1) according to one of the preceding claims, characterized in that the elasticity and/or spring characteristic of the elastically deformable bearings (25) can be adjusted by means of an adjustment mechanism.
EP19160568.2A 2017-02-22 2017-11-14 Active dynamic seating furniture Active EP3516991B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017103651.2A DE102017103651A1 (en) 2017-02-22 2017-02-22 Active dynamic seating
EP17201475.5A EP3366161B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP17201475.5A Division EP3366161B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture
EP17201475.5A Previously-Filed-Application EP3366161B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture
EP17201475.5A Division-Into EP3366161B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture

Publications (2)

Publication Number Publication Date
EP3516991A1 EP3516991A1 (en) 2019-07-31
EP3516991B1 true EP3516991B1 (en) 2020-07-08

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EP17201475.5A Active EP3366161B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture
EP19160568.2A Active EP3516991B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture

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EP17201475.5A Active EP3366161B1 (en) 2017-02-22 2017-11-14 Active dynamic seating furniture

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US (1) US10531739B2 (en)
EP (2) EP3366161B1 (en)
DE (1) DE102017103651A1 (en)
DK (1) DK3366161T3 (en)

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Also Published As

Publication number Publication date
US10531739B2 (en) 2020-01-14
US20180235367A1 (en) 2018-08-23
DE102017103651A1 (en) 2018-08-23
EP3516991A1 (en) 2019-07-31
EP3366161B1 (en) 2019-09-18
EP3366161A1 (en) 2018-08-29
DK3366161T3 (en) 2019-12-16

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