EP2421411A1 - Folding chair, particularly folding child's high chair - Google Patents

Folding chair, particularly folding child's high chair

Info

Publication number
EP2421411A1
EP2421411A1 EP10715681A EP10715681A EP2421411A1 EP 2421411 A1 EP2421411 A1 EP 2421411A1 EP 10715681 A EP10715681 A EP 10715681A EP 10715681 A EP10715681 A EP 10715681A EP 2421411 A1 EP2421411 A1 EP 2421411A1
Authority
EP
European Patent Office
Prior art keywords
supports
backrest
folding chair
chair
connecting element
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
EP10715681A
Other languages
German (de)
French (fr)
Other versions
EP2421411B1 (en
Inventor
Sébastien BOUCQUEY
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.)
Indowoods SA
Original Assignee
Indowoods SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Indowoods SA filed Critical Indowoods SA
Publication of EP2421411A1 publication Critical patent/EP2421411A1/en
Application granted granted Critical
Publication of EP2421411B1 publication Critical patent/EP2421411B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/08—Folding chairs with inflexible seats having a frame made of wood or plastics
    • A47C4/10—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D1/00—Children's chairs
    • A47D1/02—Foldable chairs
    • A47D1/023—Foldable chairs of high chair type

Definitions

  • the present invention relates to a folding chair and in particular a folding children's high chair.
  • Folding mechanisms for chairs are widely known. However, many folding mechanisms pose a significant risk of pinching the user or are complicated and cumbersome. The chairs are often difficult to transport in a folded position. In addition, the known folding mechanisms are not readily applicable to children's chairs, which in addition to a seat still have a footboard and are preferably adjustable in height.
  • a folding mechanism is z. B. from DE 21 40 384 A known.
  • a seat between two pairs of spars is held such that it is rotatable about a connecting axis between a pair of spars.
  • the seat is slidably disposed in the other pair of spars, so that the seat can be folded upwards, thereby simultaneously folding the spars is triggered.
  • the transport of such a collapsed chair is problematic because the seat has a tendency to fold back down and the chair then unfolds. For transport, therefore, the collapsed chair would have to be either locked or lifted on the seat to prevent it from being unfolded.
  • a foldable baby chair is known from DE 100 51 261 A1.
  • the chair described can be space-saving through a complicated folding mechanism fold. Due to its complexity, however, the mechanism poses multiple risks of jamming and is cumbersome to use.
  • the folding chair according to the invention has a seat and a backrest and a first and a second pair of supports.
  • the first supports carry the backrest and the seat, the second supports are articulated to the first supports and support them in the unfolded position.
  • the seat is arranged rotatable about an axis of rotation between the two first supports.
  • the backrest is also rotatably arranged about an axis of rotation between the two first supports and in addition displaceable at right angles to this axis.
  • Backrest and seat are connected by a connecting element, which is in each case articulated to the seat surface and the backrest.
  • Backrest and seat are in a first, unfolded position substantially at right angles to each other and thus form a seat. In a second folded position, the seat and backrest are substantially parallel to each other and to the first supports.
  • the folding chair can be stowed so space-saving and easy to transport.
  • suitable stops can be provided to define the unfolded position of the seat and / or the backrest.
  • the folding chair according to the invention can be used as a child's chair, it can additionally be provided with a footrest.
  • the toe board may preferably, like the seat, be rotatably arranged between the two first supports and connected to the connecting element. The footboard can then fold in brought together with the seat in the folded position substantially parallel to the backrest and the seat.
  • the child's chair may, in an advantageous development, have a plurality of detachable fastening points for the seat surface and / or the footrest on the first supports and / or the connecting element. It can z. B. several such attachment points may be arranged at regular intervals along the supports.
  • the connecting element then has the corresponding attachment points for the appropriate alignment of the seat surface and / or the footboard.
  • the attachment can z. B. done by screws, connectors, bolts or brackets or in any other suitable manner.
  • the folding chair can thus be adapted to any body size while retaining its full foldability.
  • the connecting element can be connected to the second supports.
  • This can z. B. by a connecting beam, which connects the two second supports together at a suitable location.
  • the connecting element can then be connected to this connecting beam, either in the folded or in the unfolded position or in both positions.
  • the folding chair is fixed in the respective position and can not collapse or unfold undesirably.
  • connection between the connecting element and the second supports is permanent and can be slidingly transferred from a first to a second position.
  • the first position can correspond to the unfolded position of the chair, the second position of the folded position of the chair.
  • the connection in the first and / or second position can be locked.
  • the chair has rollers at the lower end of the first supports.
  • the rollers protrude beyond the first supports only at the leading edge. This ensures that the chair stands securely in the unfolded position, but in the folded position can be put forward and rolled on the rollers.
  • Figure 1 shows a folding chair according to the invention in the unfolded state in perspective view
  • Figure 2 shows the folding chair of the invention of Figure 1 in the unfolded state in a side view.
  • Figure 3 shows the folding chair according to the invention of Figure 2 in the partially folded state in a side view.
  • Figure 4 shows a folding chair according to the invention in the embodiment as
  • Figure 5 shows the folding chair of Fig. 4 in the partially folded state in a side view.
  • FIG. 1 shows a folding chair according to the invention in the unfolded position.
  • the chair has a seat 1, a backrest 2, a first pair of pillars 3 and a second pair of pillars 4.
  • the seat 1 and the backrest 2 are mounted between the first pillars 3.
  • the second supports 4 are rotatably mounted about an axis 8 to the first supports 3 and support them in the unfolded position.
  • the first supports 3 are inclined in the unfolded position at an angle of about 60 ° to the ground.
  • the second supports 4 are so on arranged the first supports 3 that they safely support the chair in the unfolded position and can be folded tightly against the first supports 3. Their angle depends on the articulation point 8 at the first supports. If the axis of rotation of the second supports is approximately 3 A of the height of the first supports 3, then the angle of the second supports 4 to the bottom is preferably approximately 70 to 80 °.
  • the seat 1 is rotatably mounted about an axis 5 between the two first supports 3.
  • the backrest is also rotatably mounted about an axis 6 between the two first supports 3, wherein the backrest 2 is additionally displaceable perpendicular to the axis 6 in the arrow direction.
  • the latter can be realized by pins (not visible in FIG. 1) which are opposite to the first supports and which engage in guide grooves 9 on the sides of the backrest 2.
  • the backrest 2 and the seat 1 are connected to each other by a connecting element 7.
  • the connecting element 7 acts on the one hand at the bottom of the backrest 2 and on the other hand at the rear edge of the seat 1 at.
  • the backrest 2 In the unfolded state, the backrest 2 is in its lowest position, d. H. the pins of the first supports are located on the upper stop of the guide grooves 9. The backrest 2 is in an approximately vertical position.
  • the connecting element 7 By the connecting element 7, the backrest 2 is connected to the seat 1, that the seat is in a horizontal position.
  • the connecting element 7 extends in this unfolded position approximately parallel to the first supports. 1
  • the chair is gripped and raised at the handle opening 10 in the backrest 2.
  • the backrest 2 is pulled along its guide grooves 9 upwards.
  • the connecting element 7 By the connecting element 7, the rear edge of the seat 1 is thereby raised and the seat 1 is rotated about its axis of rotation 5.
  • the backrest 2 In addition to the displacement, the backrest 2 is also rotated about the axis of rotation 6.
  • the backrest 2, the Connecting element 7 and the seat 1 are aligned approximately in a line along the first supports 3.
  • the second supports 4 can be folded around their axis of rotation 8 to the first supports 3, so that the folding chair in the folded position is flat and space-saving.
  • the seat position between seat and backrest is established automatically by gravity or load of the chair. But it can also be provided stops for the seat and / or the backrest to define the final position of the individual parts.
  • the folding chair can be brought by train up to the handle opening 10 in the folded position and held there. Thus, there is no risk that he opens up independently while wearing.
  • FIG. 2 shows the folding chair according to the invention from FIG. 1 in a side view.
  • the seat 1 and the backrest 2 are fixed.
  • the seat 1 is rotatably supported about its axis of rotation 5.
  • the backrest 2 is held between the first supports 3 by two pins 6, which engage in a groove 9 in the side surfaces of the backrest 2. This results in a rotation axis.
  • the backrest 2 can slide upwards along the grooves.
  • the first supports 3 are supported at an angle of about 60 ° by second supports 4.
  • the second supports 4 are arranged rotatably about a rotation axis 8 on the first supports 3.
  • the lower region of the backrest 2 and the rear region of the seat surface 1 are connected to one another by a connecting element 7.
  • Figure 3 shows the chair of Figures 1 and 2 in a partially folded position.
  • the concealed in this view of the first supports 3 components are shown for better illustration by solid lines.
  • the backrest 2 is pulled upwards. It moves along the guided in the groove 9 pin 6 of the first supports 3 upwards and is directed substantially parallel to the first supports 3 from.
  • the seating surface 1 connected to the backrest 2 by the connecting element 7 rotates about the axis of rotation 5 and is oriented essentially parallel to the backrest 2 and the first supports 3.
  • I and connecting element 7 are arranged in this folded position to save space within the contour of the first supports 3.
  • the second supports 4 can be folded in the direction of arrow A, so that the folding chair can be stowed or transported to save space.
  • the folding chair can be rotated in the direction of arrow B over the end 13 of the first supports 3. He can then be rolled onto the outstanding in this position on the ends 13 of the supports 3 rollers 14. There is no danger that the folding chair will open during transport. By pulling on the backrest 2 upwards, the folded position is maintained.
  • FIG. 4 shows a folding chair identical in principle to the chair according to FIGS. 1 to 3, but in the embodiment as a highchair.
  • the seat board 1 is arranged higher and the chair provided with an additional footboard 11.
  • the backrest 2 is in turn by a connecting element 7 with the seat 1 as in this embodiment also with the rear portion of the footrest
  • the chair is height adjustable, so it can be adapted to any body size.
  • various attachment points 15 are provided on the first supports 3 and corresponding attachment points 16 on the connecting element 7.
  • Footboard 11 and seat 1 can be connected at these attachment points 16 releasably connected to the first supports 3 on the one hand and with the connecting element 7 anderseit. This can be done by screwing, clamping, locking bolt or in any other suitable manner.
  • FIG. 4 also shows how the second supports can be connected to the connecting element 7.
  • a slideway 12 attached to the underside of the connecting element 7.
  • the second supports 4 are suitably slidably mounted in this slide 12. This can advantageously be done by a connecting beam (not shown) between the two supports 4, which engages in the slide 17 by means of a bolt. If the folding chair is folded and the connecting element 7 moves in the direction of the first supports 3, the second supports 4 are simultaneously folded about their axis of rotation 8 in the direction of the first supports 3. In the slide 17, a catch for the unfolded and the folded position of the folding chair is provided in each case, in which the bolt can be locked.
  • Figure 5 shows the chair of Figure 4 analogous to Figure 3 in the folded position.
  • a train at the rear ends of the seat 1 and the footboard 11 is triggered, which provide for rotation of the seat 1 and the footboard 11 in the contour of the first supports 3.
  • a parallel alignment within the contour of the first supports 3 is possible.
  • a substantially parallel arrangement is sufficient to achieve a space-saving folded position.
  • the skilled person can easily achieve an optimal arrangement of the components in the folded state.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Special Chairs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The present invention relates to a folding chair and particularly a folding child's high chair. The folding chair can be transitioned from an unfolded into a folded position, and comprises a seating surface (1) and a backrest (2), and a pair of first supports (3) supporting the seating surface (1) and the backrest (2), and a pair of two supports (4) connected by a hinge to the first supports (3). The seating surface (1) is rotatably disposed about a rotary axis (5) between the two first supports (3). The folding chair is characterized in that the backrest (2) is rotatably disposed about a rotary axis (6) between the two first supports (3) and can be displaced at a right angle to said axis (6), and the backrest (2) and the seating surface (1) are connected to each other by a connecting element (7) joined with a hinge to the seating surface (1) and the backrest (2), such that the backrest (2) and seating surface (1) are substantially at right angles to each other in a first unfolded position and are substantially parallel to each other and to the first supports (3) in a second, folded position.

Description

Klappstuhl, insbesondere klappbarer Kinderhochstuhl Folding chair, especially foldable highchair
Die vorliegende Erfindung betrifft einen Klappstuhl und insbesondere einen klappbaren Kinderhochstuhl.The present invention relates to a folding chair and in particular a folding children's high chair.
Klappmechanismen für Stühle sind vielfältig bekannt. Viele Klappmechanismen bergen jedoch eine erhebliche Klemmgefahr für den Benutzer oder sind kompliziert und umständlich. Die Stühle sind in zusammengeklappter Position oft nur schwer zu transportieren. Außerdem sind die bekannten Klappmechanismen nicht ohne weiteres für Kinderstühle anwendbar, die neben einer Sitzfläche noch ein Fußbrett aufweisen und vorzugsweise in der Höhe verstellbar sind.Folding mechanisms for chairs are widely known. However, many folding mechanisms pose a significant risk of pinching the user or are complicated and cumbersome. The chairs are often difficult to transport in a folded position. In addition, the known folding mechanisms are not readily applicable to children's chairs, which in addition to a seat still have a footboard and are preferably adjustable in height.
Ein Klappmechanismus ist z. B. aus der DE 21 40 384 A bekannt. Dabei ist eine Sitzfläche zwischen zwei Holmenpaaren derart gehalten, dass sie um eine Verbindungsachse zwischen einem Holmenpaar drehbar ist. Durch Zapfen ist die Sitzfläche im anderen Holmenpaar verschiebbar angeordnet, so dass die Sitzfläche nach oben geklappt werden kann, wodurch gleichzeitig ein Zusammenklappen der Holmen ausgelöst wird. Der Transport eines derart zusammengeklappten Stuhls ist jedoch problematisch, da die Sitzfläche die Tendenz hat, nach unten zurückzuklappen und der Stuhl sich dann aufklappt. Zum Transport müsste der zusammengeklappte Stuhl deshalb entweder verriegelt oder an der Sitzfläche angehoben werden, um ein Aufklappen zu verhindern.A folding mechanism is z. B. from DE 21 40 384 A known. In this case, a seat between two pairs of spars is held such that it is rotatable about a connecting axis between a pair of spars. By pins, the seat is slidably disposed in the other pair of spars, so that the seat can be folded upwards, thereby simultaneously folding the spars is triggered. However, the transport of such a collapsed chair is problematic because the seat has a tendency to fold back down and the chair then unfolds. For transport, therefore, the collapsed chair would have to be either locked or lifted on the seat to prevent it from being unfolded.
Im Stand der Technik sind weiter z. B. aus der DE 24 21 259 A höhenverstellbare Stühle bekannt, die insbesondere als Kinderstühle eingesetzt werden können. Solche Stühle können in vielfacher Weise an die Größe des Benutzers angepasst werden und etwa als Kinderstuhl mit dem Kind mitwachsen und auch für Erwachsene eingesetzt werden. Die Stühle sind aber nicht klappbar und damit sperrig zu verstauen und zu transportieren.In the prior art are further z. B. from DE 24 21 259 A height-adjustable chairs known that can be used in particular as children's chairs. Such chairs can be adapted in many ways to the size of the user and grow around as a baby chair with the child and be used for adults. The chairs are not foldable and therefore bulky to stow and transport.
Ein klappbarer Kinderstuhl ist aus der DE 100 51 261 A1 bekannt. Der beschriebene Stuhl lässt sich durch einen komplizierten Klappmechanismus platzsparend zusammenklappen. Der Mechanismus birgt jedoch durch seine Komplexität vielfache Klemmgefahr und ist umständlich zu benutzen.A foldable baby chair is known from DE 100 51 261 A1. The chair described can be space-saving through a complicated folding mechanism fold. Due to its complexity, however, the mechanism poses multiple risks of jamming and is cumbersome to use.
Es ist Aufgabe der vorliegenden Erfindung, einen klappbaren Stuhl zu schaffen, der einfach und ohne Verletzungsgefahr auf- und zusammengeklappt und in zusammengeklapptem Zustand leicht transportiert werden kann.It is an object of the present invention to provide a folding chair, which can be easily and without risk of injury opened and folded and easily transported in the folded state.
Erfindungsgemäß wird die Aufgabe durch einen Klappstuhl mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen sind in den abhängigen Ansprüchen beschrieben.According to the invention the object is achieved by a folding chair with the features of claim 1. Advantageous embodiments are described in the dependent claims.
Der erfindungsgemäße Klappstuhl verfügt über eine Sitzfläche und eine Rückenlehne sowie ein erstes und ein zweites Paar Stützen. Die ersten Stützen tragen die Rückenlehne und die Sitzfläche, die zweiten Stützen sind gelenkig an den ersten Stützen angeordnet und stützen diese in der aufgeklappten Position. Die Sitzfläche ist um eine Drehachse drehbar zwischen den beiden ersten Stützen angeordnet. Die Rückenlehne ist ebenfalls drehbar um eine Drehachse zwischen den beiden ersten Stützen angeordnet und zusätzlich rechtwinklig zur dieser Achse verschiebbar. Rückenlehne und Sitzfläche sind durch ein Verbindungselement miteinander verbunden, das jeweils gelenkig an der Sitzfläche und der Rückenlehne angebracht ist. Rückenlehne und Sitzfläche stehen dabei in einer ersten, aufgeklappten Position im Wesentlichen rechtwinklig zueinander und bilden so eine Sitzmöglichkeit. In einer zweiten zusammengeklappten Position stehen Sitzfläche und Rückenlehne im Wesentlichen parallel zueinander und zu den ersten Stützen. Der Klappstuhl lässt sich so platzsparend verstauen und leicht transportieren.The folding chair according to the invention has a seat and a backrest and a first and a second pair of supports. The first supports carry the backrest and the seat, the second supports are articulated to the first supports and support them in the unfolded position. The seat is arranged rotatable about an axis of rotation between the two first supports. The backrest is also rotatably arranged about an axis of rotation between the two first supports and in addition displaceable at right angles to this axis. Backrest and seat are connected by a connecting element, which is in each case articulated to the seat surface and the backrest. Backrest and seat are in a first, unfolded position substantially at right angles to each other and thus form a seat. In a second folded position, the seat and backrest are substantially parallel to each other and to the first supports. The folding chair can be stowed so space-saving and easy to transport.
Vorteilhaft können geeignete Anschläge vorgesehen sein, um die aufgeklappte Position der Sitzfläche und/oder der Rückenlehne zu definieren.Advantageously, suitable stops can be provided to define the unfolded position of the seat and / or the backrest.
Damit der erfindungsgemäße Klappstuhl als Kinderstuhl verwendbar ist, kann er zusätzlich mit einem Fußbrett versehen sein. Das Fußbrett kann vorzugsweise wie die Sitzfläche drehbar zwischen den beiden ersten Stützen angeordnet und mit dem Verbindungselement verbunden sein. Das Fußbrett kann dann beim Einklappen zusammen mit der Sitzfläche in die eingeklappte Position im Wesentlichen parallel zur Rückenlehne und zur Sitzfläche gebracht werden.So that the folding chair according to the invention can be used as a child's chair, it can additionally be provided with a footrest. The toe board may preferably, like the seat, be rotatably arranged between the two first supports and connected to the connecting element. The footboard can then fold in brought together with the seat in the folded position substantially parallel to the backrest and the seat.
Um eine Höhenverstellmöglichkeit zu erreichen kann der Kinderstuhl in einer vorteilhaften Weiterbildung über mehrere lösbare Befestigungspunkte für die Sitzfläche und/oder das Fußbrett an den ersten Stützen und/oder dem Verbindungselement verfügen. Es können z. B. mehrere solcher Befestigungspunkte in regelmäßigen Abständen entlang der Stützen angeordnet sein. Das Verbindungselement verfügt dann über die entsprechenden Befestigungspunkte zur passenden Ausrichtung der Sitzfläche und/oder des Fußbretts. Die Befestigung kann z. B. durch Schrauben, Steckverbinder, Bolzen oder Klammern oder in jeder anderen geeigneten Weise geschehen. Der Klappstuhl kann dadurch jeder Körpergröße angepasst werden und behält gleichzeitig seine volle Klappbarkeit.In order to achieve a height adjustment possibility, the child's chair may, in an advantageous development, have a plurality of detachable fastening points for the seat surface and / or the footrest on the first supports and / or the connecting element. It can z. B. several such attachment points may be arranged at regular intervals along the supports. The connecting element then has the corresponding attachment points for the appropriate alignment of the seat surface and / or the footboard. The attachment can z. B. done by screws, connectors, bolts or brackets or in any other suitable manner. The folding chair can thus be adapted to any body size while retaining its full foldability.
Vorteilhaft ist das Verbindungselement mit den zweiten Stützen verbindbar. Das kann z. B. durch eine Verbindungstraverse erfolgen, die die beiden zweiten Stützen an geeignetem Ort miteinander verbindet. Das Verbindungselement kann dann mit dieser Verbindungstraverse verbunden werden, und zwar entweder in der eingeklappten oder in der ausgeklappten Position oder auch in beiden Positionen. Dadurch kann erreicht werden, dass der Klappstuhl in der jeweiligen Position fixiert ist und nicht unerwünscht zusammen- bzw. aufklappen kann.Advantageously, the connecting element can be connected to the second supports. This can z. B. by a connecting beam, which connects the two second supports together at a suitable location. The connecting element can then be connected to this connecting beam, either in the folded or in the unfolded position or in both positions. As a result, it can be achieved that the folding chair is fixed in the respective position and can not collapse or unfold undesirably.
In einer besonders bevorzugen Ausführungsform ist die Verbindung zwischen Verbindungselement und zweiten Stützen permanent und lässt sich gleitend von einer ersten in eine zweite Position überführen. Die erste Position kann dabei der aufgeklappten Position des Stuhls entsprechen, die zweite Position der zusammengeklappten Position des Stuhls. Vorzugsweise ist die Verbindung in der ersten und/oder zweiten Position arretierbar.In a particularly preferred embodiment, the connection between the connecting element and the second supports is permanent and can be slidingly transferred from a first to a second position. The first position can correspond to the unfolded position of the chair, the second position of the folded position of the chair. Preferably, the connection in the first and / or second position can be locked.
In einer vorteilhaften Weiterbildung des erfindungsgemäßen Stuhls verfügt der Stuhl über Rollen am unteren Ende der ersten Stützen. Vorzugsweise ragen die Rollen nur am vorderen Rand über die ersten Stützen hinaus. Dadurch wird erreicht, dass der Stuhl in der aufgeklappten Position sicher steht, in der zusammengeklappten Position aber nach vorne gelegt und auf den Rollen gerollt werden kann.In an advantageous development of the chair according to the invention, the chair has rollers at the lower end of the first supports. Preferably, the rollers protrude beyond the first supports only at the leading edge. This ensures that the chair stands securely in the unfolded position, but in the folded position can be put forward and rolled on the rollers.
Die Erfindung wird im Folgenden anhand der beigefügten Abbildungen näher erläutert. Die in den Abbildungen dargestellten Ausführungsformen stellen lediglichThe invention will be explained in more detail below with reference to the accompanying drawings. The embodiments shown in the figures merely provide
Beispiele für Ausführungen der Erfindung dar und sollen den Schutzumfang, der durch die Patentansprüche definiert wird, nicht einschränken. AlleExamples of embodiments of the invention are not intended to limit the scope of protection as defined by the claims. All
Richtungsangaben sind in Bezug auf die übliche Standposition eines Stuhls zu verstehen. Die Darstellungen sind lediglich schematisch und sollen allein der Veranschaulichung der Erfindung dienen.Directions are to be understood in relation to the usual standing position of a chair. The illustrations are only schematic and are intended solely to illustrate the invention.
Figur 1 zeigt einen erfindungsgemäßen Klappstuhl im aufgeklappten Zustand in perspektivischer Darstellung;Figure 1 shows a folding chair according to the invention in the unfolded state in perspective view;
Figur 2 zeigt den erfindungsgemäßen Klappstuhl aus Fig. 1 im aufgeklappten Zustand in seitlicher Ansicht;Figure 2 shows the folding chair of the invention of Figure 1 in the unfolded state in a side view.
Figur 3 zeigt den erfindungsgemäßen Klappstuhl aus Fig. 2 im teilweise zusammengeklappten Zustand in seitlicher Ansicht;Figure 3 shows the folding chair according to the invention of Figure 2 in the partially folded state in a side view.
Figur 4 zeigt einen erfindungsgemäßen Klappstuhl in der Ausgestaltung alsFigure 4 shows a folding chair according to the invention in the embodiment as
Kinderstuhl mit zusätzlichem, klappbarem Fußbrett im aufgeklapptenHigh chair with additional foldable footboard in unfolded
Zustand in seitlicher Darstellung;Condition in lateral representation;
Figur 5 zeigt den Klappstuhl aus Fig. 4 im teilweise zusammengeklappten Zustand in seitlicher Ansicht.Figure 5 shows the folding chair of Fig. 4 in the partially folded state in a side view.
In Figur 1 ist ein erfindungsgemäßer Klappstuhl in aufgeklappter Position dargestellt. Der Stuhl verfügt über eine Sitzfläche 1 , eine Rückenlehne 2, ein erstes Paar von Stützen 3 und ein zweites Paar von Stützen 4. Die Sitzfläche 1 und die Rückenlehne 2 sind zwischen den ersten Stützen 3 angebracht. Die zweiten Stützen 4 sind um eine Achse 8 drehbar an den ersten Stützen 3 befestigt und stützen diese in der aufgeklappten Position. Die ersten Stützen 3 sind in aufgeklappter Position in einem Winkel von ca. 60° zum Boden geneigt. Die zweiten Stützen 4 sind derart an den ersten Stützen 3 angeordnet, dass sie den Stuhl in aufgeklappter Position sicher abstützen und sich eng an die ersten Stützen 3 anklappen lassen. Ihr Winkel hängt vom Anlenkpunkt 8 an den ersten Stützen ab. Liegt die Drehachse der zweiten Stützen in ca. 3A der Höhe der ersten Stützen 3, so beträgt der Winkel der zweiten Stützen 4 zum Boden vorzugsweise ca. 70 bis 80°.FIG. 1 shows a folding chair according to the invention in the unfolded position. The chair has a seat 1, a backrest 2, a first pair of pillars 3 and a second pair of pillars 4. The seat 1 and the backrest 2 are mounted between the first pillars 3. The second supports 4 are rotatably mounted about an axis 8 to the first supports 3 and support them in the unfolded position. The first supports 3 are inclined in the unfolded position at an angle of about 60 ° to the ground. The second supports 4 are so on arranged the first supports 3 that they safely support the chair in the unfolded position and can be folded tightly against the first supports 3. Their angle depends on the articulation point 8 at the first supports. If the axis of rotation of the second supports is approximately 3 A of the height of the first supports 3, then the angle of the second supports 4 to the bottom is preferably approximately 70 to 80 °.
Die Sitzfläche 1 ist zwischen den beiden ersten Stützen 3 drehbar um eine Achse 5 montiert.The seat 1 is rotatably mounted about an axis 5 between the two first supports 3.
Die Rückenlehne ist ebenfalls drehbar um eine Achse 6 zwischen den beiden ersten Stützen 3 montiert, wobei die Rückenlehne 2 zusätzlich rechtwinklig zur Achse 6 in Pfeilrichtung verschiebbar ist. Letzteres kann realisiert sein, indem an den ersten Stützen gegenüberliegend Zapfen (in Fig. 1 nicht sichtbar) ausgebildet sind, die in Führungsnuten 9 an den Seiten der Rückenlehne 2 eingreifen.The backrest is also rotatably mounted about an axis 6 between the two first supports 3, wherein the backrest 2 is additionally displaceable perpendicular to the axis 6 in the arrow direction. The latter can be realized by pins (not visible in FIG. 1) which are opposite to the first supports and which engage in guide grooves 9 on the sides of the backrest 2.
Die Rückenlehne 2 und die Sitzfläche 1 sind durch ein Verbindungselement 7 miteinander verbunden. Das Verbindungselement 7 greift dabei einerseits am unteren Rand der Rückenlehne 2 und andererseits am hinteren Rand der Sitzfläche 1 an.The backrest 2 and the seat 1 are connected to each other by a connecting element 7. The connecting element 7 acts on the one hand at the bottom of the backrest 2 and on the other hand at the rear edge of the seat 1 at.
Im aufgeklappten Zustand befindet sich die Rückenlehne 2 in ihrer tiefsten Position, d. h. die Zapfen der ersten Stützen befinden sich am oberen Anschlag der Führungsnuten 9. Die Rückenlehne 2 befindet sich in einer annähernd vertikalen Position. Durch das Verbindungselement 7 ist die Rückenlehne 2 so mit der Sitzfläche 1 verbunden, dass sich die Sitzfläche in einer horizontalen Position befindet. Das Verbindungselement 7 verläuft in dieser aufgeklappten Position annähernd parallel zu den ersten Stützen 1.In the unfolded state, the backrest 2 is in its lowest position, d. H. the pins of the first supports are located on the upper stop of the guide grooves 9. The backrest 2 is in an approximately vertical position. By the connecting element 7, the backrest 2 is connected to the seat 1, that the seat is in a horizontal position. The connecting element 7 extends in this unfolded position approximately parallel to the first supports. 1
Zum Einklappen wird der Stuhl an der Grifföffnung 10 in der Rückenlehne 2 ergriffen und angehoben. Die Rückenlehne 2 wird dabei entlang ihrer Führungsnuten 9 nach oben gezogen. Durch das Verbindungselement 7 wird dadurch auch die hintere Kante der Sitzfläche 1 angehoben und die Sitzfläche 1 um ihre Drehachse 5 gedreht. Zusätzlich zur Verschiebung wird die Rückenlehne 2 auch um die Drehachse 6 gedreht. In der eingeklappten Position sind die Rückenlehne 2, das Verbindungselement 7 und die Sitzfläche 1 annähernd in einer Linie entlang den ersten Stützen 3 ausgerichtet. Die zweiten Stützen 4 können um ihre Drehachse 8 an die ersten Stützen 3 angeklappt werden, so dass der Klappstuhl in der eingeklappten Position flach und platzsparend ist.To fold the chair is gripped and raised at the handle opening 10 in the backrest 2. The backrest 2 is pulled along its guide grooves 9 upwards. By the connecting element 7, the rear edge of the seat 1 is thereby raised and the seat 1 is rotated about its axis of rotation 5. In addition to the displacement, the backrest 2 is also rotated about the axis of rotation 6. In the folded position, the backrest 2, the Connecting element 7 and the seat 1 are aligned approximately in a line along the first supports 3. The second supports 4 can be folded around their axis of rotation 8 to the first supports 3, so that the folding chair in the folded position is flat and space-saving.
Bei dieser Gestaltung des Klappstuhls stellt sich durch Schwerkraft oder Belastung des Stuhls automatisch die Sitzposition zwischen Sitzfläche und Lehne her. Es können aber auch Anschläge für die Sitzfläche und/oder die Lehne vorgesehen werden, um die Endposition der einzelnen Teile zu definieren.In this design of the folding chair, the seat position between seat and backrest is established automatically by gravity or load of the chair. But it can also be provided stops for the seat and / or the backrest to define the final position of the individual parts.
Der Klappstuhl kann durch Zug nach oben an der Grifföffnung 10 in die zusammengeklappte Position gebracht und dort gehalten werden. Somit besteht nicht die Gefahr, dass er sich beim Tragen selbständig aufklappt.The folding chair can be brought by train up to the handle opening 10 in the folded position and held there. Thus, there is no risk that he opens up independently while wearing.
Figur 2 zeigt den erfindungsgemäßen Klappstuhl aus Figur 1 in seitlicher Ansicht. Zwischen den ersten Stützen 3 sind die Sitzfläche 1 und die Rückenlehne 2 befestigt. Die Sitzfläche 1 ist drehbar um ihre Drehachse 5 gelagert. Die Rückenlehne 2 ist zwischen den ersten Stützen 3 durch zwei Zapfen 6 gehalten, die in eine Nut 9 in den Seitenflächen der Rückenlehne 2 eingreifen. So ergibt sich eine Drehachse. Gleichzeitig kann die Rückenlehne 2 entlang der Nuten nach oben gleiten .FIG. 2 shows the folding chair according to the invention from FIG. 1 in a side view. Between the first supports 3, the seat 1 and the backrest 2 are fixed. The seat 1 is rotatably supported about its axis of rotation 5. The backrest 2 is held between the first supports 3 by two pins 6, which engage in a groove 9 in the side surfaces of the backrest 2. This results in a rotation axis. At the same time, the backrest 2 can slide upwards along the grooves.
Die ersten Stützen 3 werden in einem Winkel von ca. 60° durch zweite Stützen 4 abgestützt. Die zweiten Stützen 4 sind drehbar um eine Drehachse 8 an den ersten Stützen 3 angeordnet.The first supports 3 are supported at an angle of about 60 ° by second supports 4. The second supports 4 are arranged rotatably about a rotation axis 8 on the first supports 3.
Der untere Bereich der Rückenlehne 2 und der hintere Bereich der Sitzfläche 1 sind durch ein Verbindungselement 7 miteinander verbunden.The lower region of the backrest 2 and the rear region of the seat surface 1 are connected to one another by a connecting element 7.
Figur 3 zeigt den Stuhl aus den Figuren 1 und 2 in teilweise eingeklappter Position. Die in dieser Ansicht von den ersten Stützen 3 verdeckten Bauteile sind zur besseren Veranschaulichung durch durchgezogene Linien dargestellt. Zum Einklappen des Klappstuhls wird die Rückenlehne 2 nach oben gezogen. Sie bewegt sich entlang der in der Nut 9 geführten Zapfen 6 der ersten Stützen 3 nach oben und richtet sich dabei im Wesentlichen parallel zu den ersten Stützen 3 aus. Gleichzeitig dreht sich die mit der Rückenlehne 2 durch das Verbindungselement 7 verbundene Sitzfläche 1 um die Drehachse 5 und richtet sich im Wesentlichen parallel zur Rückenlehne 2 und den ersten Stützen 3 aus. Rückenlehne 2, SitzflächeFigure 3 shows the chair of Figures 1 and 2 in a partially folded position. The concealed in this view of the first supports 3 components are shown for better illustration by solid lines. To fold the folding chair, the backrest 2 is pulled upwards. It moves along the guided in the groove 9 pin 6 of the first supports 3 upwards and is directed substantially parallel to the first supports 3 from. At the same time, the seating surface 1 connected to the backrest 2 by the connecting element 7 rotates about the axis of rotation 5 and is oriented essentially parallel to the backrest 2 and the first supports 3. Backrest 2, seat
I und Verbindungselement 7 sind in dieser eingeklappten Position platzsparend innerhalb der Kontur der ersten Stützen 3 angeordnet.I and connecting element 7 are arranged in this folded position to save space within the contour of the first supports 3.
Die zweiten Stützen 4 können in Richtung des Pfeils A angeklappt werden, so dass der Klappstuhl platzsparend verstaut oder transportiert werden kann. Zum Transport kann der Klappstuhl in Richtung des Pfeils B über das Ende 13 der ersten Stützen 3 gedreht werden. Er kann dann auf den in dieser Position über die Enden 13 der Stützen 3 hervorragenden Rollen 14 gerollt werden. Es besteht nicht die Gefahr, dass der Klappstuhl während des Transports aufklappt. Durch Zug an der Rückenlehne 2 nach oben wird die zusammengeklappte Position aufrechterhalten.The second supports 4 can be folded in the direction of arrow A, so that the folding chair can be stowed or transported to save space. For transport, the folding chair can be rotated in the direction of arrow B over the end 13 of the first supports 3. He can then be rolled onto the outstanding in this position on the ends 13 of the supports 3 rollers 14. There is no danger that the folding chair will open during transport. By pulling on the backrest 2 upwards, the folded position is maintained.
Figur 4 zeigt einen prinzipiell mit dem Stuhl gemäß den Figuren 1 bis 3 identischen Klappstuhl, allerdings in der Ausgestaltung als Kinderhochstuhl. Hierfür ist das Sitzbrett 1 höher angeordnet und der Stuhl mit einem zusätzlichen Fußbrett 11 versehen. Die Rückenlehne 2 ist wiederum durch ein Verbindungselement 7 mit der Sitzfläche 1 als in dieser Ausführung auch mit dem hinteren Bereich des FußbrettsFIG. 4 shows a folding chair identical in principle to the chair according to FIGS. 1 to 3, but in the embodiment as a highchair. For this purpose, the seat board 1 is arranged higher and the chair provided with an additional footboard 11. The backrest 2 is in turn by a connecting element 7 with the seat 1 as in this embodiment also with the rear portion of the footrest
II verbunden.II connected.
Der Stuhl ist höhenverstellbar, damit er an jede Körpergröße angepasst werden kann. Hierfür sind verschiedene Befestigungspunkte 15 an den ersten Stützen 3 und entsprechende Befestigungspunkte 16 am Verbindungselement 7 vorgesehen. Fußbrett 11 und Sitzfläche 1 können an diesen Befestigungspunkten 16 lösbar mit den ersten Stützen 3 einerseits und mit dem Verbindungselement 7 andererseit verbunden werden. Dies kann durch Verschraubung, Klemmung, Verriegelungsbolzen oder in anderer geeigneter Weise erfolgen.The chair is height adjustable, so it can be adapted to any body size. For this purpose, various attachment points 15 are provided on the first supports 3 and corresponding attachment points 16 on the connecting element 7. Footboard 11 and seat 1 can be connected at these attachment points 16 releasably connected to the first supports 3 on the one hand and with the connecting element 7 anderseit. This can be done by screwing, clamping, locking bolt or in any other suitable manner.
Beispielhaft ist in Figur 4 auch dargestellt, wie die zweiten Stützen mit dem Verbindungselement 7 verbunden werden können. Hierfür wird eine Gleitbahn 12 an der Unterseite des Verbindungselements 7 angebracht. Die zweiten Stützen 4 sind in geeigneter Weise gleitend in dieser Gleitbahn 12 befestigt. Das kann vorteilhaft durch eine Verbindungstraverse (nicht dargestellt) zwischen den beiden Stützen 4 geschehen, die mittels eines Bolzens in die Gleitbahn 17 eingreift. Wird der Klappstuhl zusammengeklappt und bewegt sich das Verbindungselement 7 in Richtung der ersten Stützen 3, so werden die zweiten Stützen 4 gleichzeitig um ihre Drehachse 8 in Richtung der ersten Stützen 3 geklappt. In der Gleitbahn 17 ist jeweils eine Raste für die aufgeklappte und die zusammengeklappte Position des Klappstuhls vorgesehen, in der sich der Bolzen arretieren lässt.By way of example, FIG. 4 also shows how the second supports can be connected to the connecting element 7. For this purpose, a slideway 12 attached to the underside of the connecting element 7. The second supports 4 are suitably slidably mounted in this slide 12. This can advantageously be done by a connecting beam (not shown) between the two supports 4, which engages in the slide 17 by means of a bolt. If the folding chair is folded and the connecting element 7 moves in the direction of the first supports 3, the second supports 4 are simultaneously folded about their axis of rotation 8 in the direction of the first supports 3. In the slide 17, a catch for the unfolded and the folded position of the folding chair is provided in each case, in which the bolt can be locked.
Figur 5 zeigt den Stuhl aus Figur 4 analog zur Figur 3 in zusammengeklappter Position. Wiederum wird durch Zug an der Rückenlehne 2 nach oben ein Zug an den hinteren Enden der Sitzfläche 1 und des Fußbretts 11 ausgelöst, die für eine Drehung der Sitzfläche 1 und des Fußbretts 11 in die Kontur der ersten Stützen 3 sorgen. Bei üblicher Positionierung von Sitzfläche 1 und Fußbrett 11 ist eine parallele Ausrichtung innerhalb der Kontur der ersten Stützen 3 möglich. Es wird jedoch deutlich, dass es bei enger Nachbarschaft von Sitzfläche 1 und Fußbrett 11 zu einem Überlapp zwischen beiden Teilen kommen kann, wodurch eine vollständig parallele Ausrichtung aller Teile nicht erreicht werden kann. Dies ist zur Erreichung der Vorteile der erfindungsgemäßen Lösung aber auch nicht erforderlich. Eine im Wesentlichen parallele Anordnung reicht vollständig aus, um eine platzsparende zusammengeklappte Position zu erreichen. Durch geschickte Wahl der Befestigungspunkte und die Form des Verbindungselements kann der Fachmann auf einfache Weise eine optimale Anordnung der Bauteile im zusammengeklappten Zustand erreichen. Figure 5 shows the chair of Figure 4 analogous to Figure 3 in the folded position. Again, by pulling on the backrest 2 upward a train at the rear ends of the seat 1 and the footboard 11 is triggered, which provide for rotation of the seat 1 and the footboard 11 in the contour of the first supports 3. With conventional positioning of seat 1 and footboard 11, a parallel alignment within the contour of the first supports 3 is possible. However, it is clear that there may be an overlap between the two parts in close proximity of seat 1 and footboard 11, whereby a fully parallel alignment of all parts can not be achieved. However, this is not necessary to achieve the advantages of the solution according to the invention. A substantially parallel arrangement is sufficient to achieve a space-saving folded position. By skillful choice of attachment points and the shape of the connecting element, the skilled person can easily achieve an optimal arrangement of the components in the folded state.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Sitzfläche1 seat
2 Rückenlehne 3 erste Stützen2 backrest 3 first supports
4 zweite Stützen4 second supports
5 Drehachse Sitzfläche5 axis of rotation seat
6 Drehachse Rückenlehne / Zapfen6 Rotary axis backrest / spigot
7 Verbindungselement 8 Achse zwischen ersten und zweiten Stützen7 connecting element 8 axis between first and second supports
9 Führungsnut9 guide groove
10 Grifföffnung10 handle opening
1 1 Fußbrett1 1 footboard
12 Verbindung Verbindungselement / zweite Stützen 13 unteres Ende von erster Stütze12 connection connecting element / second supports 13 lower end of first support
14 Rolle14 roll
15 Befestigungspunkt an erster Stütze15 attachment point to first support
16 Befestigungspunkt an Verbindungselement 16 attachment point to connecting element

Claims

Patentansprüche claims
1. Klappstuhl, der aus einer aufgeklappten in eine zusammengeklappte Position überführbar ist, mit einer Sitzfläche (1 ) und einer Rückenlehne (2) sowie einem Paar erster Stützen (3), die die Sitzfläche (1) und die Rückenlehne (2) tragen, und einem Paar zweiter Stützen (4), die gelenkig an den ersten Stützen (3) angebracht sind, wobei die Sitzfläche (1) um eine Drehachse (5) drehbar zwischen den beiden ersten Stützen (3) angeordnet ist,A folding chair which can be moved from an unfolded position into a folded position, comprising a seat surface (1) and a backrest (2) and a pair of first supports (3) supporting the seat surface (1) and the backrest (2), and a pair of second pillars (4) pivotally attached to the first pillars (3), the seat surface (1) being rotatable about an axis of rotation (5) between the two first pillars (3),
dadurch gekennzeichnet, dasscharacterized in that
die Rückenlehne (2) um eine Drehachse (6) zwischen den beiden ersten Stützen (3) drehbar angeordnet und rechtwinklig zu dieser Achse (6) verschiebbar ist, und die Rückenlehne (2) und die Sitzfläche (1) durch ein Verbindungselement (7) miteinander verbunden sind, das jeweils gelenkig an der Sitzfläche (1) und der Rückenlehne (2) derart angebracht ist, dass Rückenlehne (2) und Sitzfläche (1) in einer ersten aufgeklappten Position im Wesentlichen rechtwinklig zueinander stehen und in einer zweiten zusammengeklappten Positon im Wesentlichen parallel zueinander und zu den ersten Stützen (3) stehen.the backrest (2) is rotatably arranged about an axis of rotation (6) between the two first supports (3) and is displaceable at right angles to this axis (6), and the backrest (2) and the seat surface (1) are connected by a connecting element (7) are hingedly connected to the seat surface (1) and the backrest (2) such that the backrest (2) and seat surface (1) are substantially perpendicular to each other in a first unfolded position and in a second folded position in the Are substantially parallel to each other and to the first supports (3).
2. Klappstuhl nach Anspruch 1 , dadurch gekennzeichnet, dass der Klappstuhl über ein Fußbrett (11) verfügt.2. folding chair according to claim 1, characterized in that the folding chair has a footboard (11).
3. Klappstuhl nach Anspruch 2, dadurch gekennzeichnet, dass das Fußbrett (1 1) um eine Drehachse (12) drehbar zwischen den beiden ersten Stützen (3) angeordnet und mit dem Verbindungselement (7) verbunden ist.3. Folding chair according to claim 2, characterized in that the Fußbrett (1 1) about a rotational axis (12) rotatably disposed between the two first supports (3) and connected to the connecting element (7).
4. Klappstuhl nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die ersten Stützen (3) und das Verbindungselement (7) über mehrere lösbare Befestigungspunkte (15, 16) für die Sitzfläche (1) und/oder das Fußbrett (1 1) verfügen.4. Folding chair according to one of claims 1 to 3, characterized in that the first supports (3) and the connecting element (7) via a plurality of releasable attachment points (15, 16) for the seat surface (1) and / or the footboard (1 ) feature.
5. Klappstuhl nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Verbindungselement (7) mit den zweiten Stützen (4) verbindbar ist. 5. folding chair according to one of claims 1 to 4, characterized in that the connecting element (7) with the second supports (4) is connectable.
6. Klappstuhl nach Anspruch 5, dadurch gekennzeichnet, dass die Verbindung (12) zwischen dem Verbindungselement (7) und den zweiten Stützen (4) permanent und gleitend ist, um eine gekoppelte Relativbewegung zwischen Verbindungselement (7) und zweiten Stützen (4) zu ermöglichen.6. folding chair according to claim 5, characterized in that the connection (12) between the connecting element (7) and the second supports (4) is permanent and sliding to a coupled relative movement between the connecting element (7) and second supports (4) enable.
7. Klappstuhl nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Verbindung (12) in aufgeklappter Position und/oder zugeklappter Position arretierbar ist.7. Folding chair according to claim 5 or 6, characterized in that the connection (12) can be locked in the unfolded position and / or folded position.
8. Klappstuhl nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die ersten Stützen (3) an ihrem unteren Ende (13) mit Rollen (14) versehen sind.8. folding chair according to one of claims 1 to 7, characterized in that the first supports (3) at its lower end (13) with rollers (14) are provided.
9. Klappstuhl nach Anspruch 8, dadurch gekennzeichnet, dass die Rollen (14) ausschließlich nach vorne über die Enden (13) der ersten Stützen (3) hervorstehen. 9. folding chair according to claim 8, characterized in that the rollers (14) projecting exclusively forward over the ends (13) of the first supports (3).
EP10715681A 2009-04-23 2010-03-25 Folding chair, particularly folding child's high chair Not-in-force EP2421411B1 (en)

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EP2421411B1 (en) 2013-01-23
DE102009018333A1 (en) 2010-10-28

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