EP1420667B1 - Chair - Google Patents

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Publication number
EP1420667B1
EP1420667B1 EP02755005A EP02755005A EP1420667B1 EP 1420667 B1 EP1420667 B1 EP 1420667B1 EP 02755005 A EP02755005 A EP 02755005A EP 02755005 A EP02755005 A EP 02755005A EP 1420667 B1 EP1420667 B1 EP 1420667B1
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EP
European Patent Office
Prior art keywords
seat
chair
height
carrier
support
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.)
Expired - Lifetime
Application number
EP02755005A
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German (de)
French (fr)
Other versions
EP1420667A2 (en
Inventor
Pius Ponticelli
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to EP06008412A priority Critical patent/EP1685778A3/en
Publication of EP1420667A2 publication Critical patent/EP1420667A2/en
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Publication of EP1420667B1 publication Critical patent/EP1420667B1/en
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/28—Chairs or stools with vertically-adjustable seats with clamps acting on vertical rods
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts
    • 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
    • A47C3/04—Stackable chairs; Nesting chairs
    • A47C3/045—Stackable chairs; Nesting chairs with tipping-up seats
    • 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
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • 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
    • A47C7/56—Parts or details of tipping-up chairs, e.g. of theatre chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/02—Office stools not provided for in main groups A47C1/00, A47C3/00 or A47C7/00; Workshop stools
    • A47C9/025—Stools for standing or leaning against, e.g. in a semi-standing or half-seated position

Definitions

  • the invention relates to a chair with at least one foot and a support profile on which a seat and optionally a backrest is arranged, wherein the seat on the support profile in height adjustable, secured at a desired height with a height adjustment secured between the carrier profile and a seat Provided connecting element and the seat is articulated relative to the connecting element.
  • the present invention relates specifically to a chair whose seat is adjustable in height and / or seat depth. Furthermore, the invention relates to a chair that is collapsible.
  • a chair is known whose seat is adjustable along a support profile in height. To adjust the seat is raised, moved a connecting element along the carrier profile and then the seat lowered again, wherein it exerts a clamping action on the carrier profile.
  • This chair has the disadvantage that, for example, if the seat is accidentally raised, the height is easily adjusted by itself.
  • the clamping action of the seat relative to the carrier profile depends essentially on the pressure exerted on the seat.
  • height locks are provided on the seat. Such height locks are also known and widely used in a variety of forms and configurations.
  • EP 1 020 138 A1 describes a seat in which a height and depth adjustment takes place by means of a tooth-engaging strip running on a chair frame and a holding device associated with the seat, on which a gear meshing with the tooth-engaging strip is seated and the gear turns into a rotary movement drivable drive means are arranged.
  • the holding device In order to determine the seat at a certain height, the holding device is associated with a clamping device which clamps the holding device on the chair frame.
  • WO 99/00038 another chair is described, which also has a height and depth adjustable seat board, which is associated with a support element.
  • a fall arrester is created here by the engagement of lugs on the support element with grooves in guide rails in side elements of the chair and the support element itself with grooves of a gear-like element on the back of the chair, with clamping elements provide for a determination of the seat.
  • a chair of the o.g. Art is known from US 6,017,089, the seat has a frame, which is associated with a clamping device.
  • This clamping device consists of friction elements, which are assigned via bolts to the frame of the seat. The friction elements come with a rotation of the seat frame in the direction of a horizontal position of the seat frame in frictional contact between the support profiles of the chair, whereby a clamping action is caused. This clamping effect is secured by a bolt to be inserted.
  • the present invention is therefore based on the object to develop a chair of the type mentioned above, which is provided with a height safety, which is very variable in their setting as well as in their handling and easy to use and yet a sufficient protection against adjustment offers the seat from its desired height.
  • the height safety device has a locking pawl on the connecting element, which in this position of use of an edge of the Seat is engaged behind.
  • the handling thereof is substantially simplified.
  • the seat only has to be brought to its desired height. Subsequently, the height safety be placed on the connecting element on the carrier profile in the corresponding position under the seat and fixed.
  • the height safety device has at least one clamping element which is guided in a slot that, as soon as the seat or seat support has reached its desired height, exerts a clamping effect in connection with the carrier profile, which avoids that the seat without Loosening of the clamping element is brought out of its position.
  • a chair P according to the invention has two feet 1.1 and 1.2 which are each connected to a carrier profile 2.1 and 2.2.
  • the carrier profiles 2.1 and 2.2 take on a backrest 3 between them.
  • a seat 5 is connected to the carrier profiles 2.1 and 2.2. If necessary, this connection is made via corresponding seat supports 6.
  • a carrier profile 2 is connected to a foot 1 via an articulated connection 7.
  • the articulated connection 7 preferably has two bearing lugs 8 arranged one behind the other, wherein the bearing lugs 8 are connected to the carrier profile 2 via a hinge pin 9.
  • the carrier profile 2 can rotate about the hinge pin 9.
  • a latch 11 is provided, which engages in the position of use according to Figure 2 with a locking lug 12 in the support section 2 and this determines in the position of use.
  • the locking lug 12 can be brought out of engagement with the carrier profile 2 by being pressed on a lever 13 and thereby the latch 11 against the pressure of a spring 14th is brought out of rest position, as shown in Figure 3. In this case, the latch 11 rotates about an axis 15th
  • the seat 5 or its seat carrier 6 should be able to be displaced along the carrier profile 2 and be fixed at a desired height.
  • the connection element 4 is associated with a height safety device 17.
  • This height safety device 17 has an adjusting pawl 18, which is mounted pivotably about a pivot axis 19 in the connecting element 4.
  • the adjusting pawl 18 has a latching edge 20 which cooperates with an edge 21 on the seat support 6.
  • the seat support 6 is arranged pivotably about a further pivot axis 22 on the connecting element 4.
  • the pivot axis 22 is arranged so that a seat support 6 associated coating 23 in the seat position of the seat support 6 ( Figure 5) rests flat on the support section 2, wherein at the same time the edge 21 has passed over the locking edge 20 of the actuating pawl 18 and the adjusting pawl 18 below the pressure of a spring 24, the edge 21 has overlapped.
  • the coating 23 is pressed onto the surface of the carrier profile 2 and held on the other by the adjusting pawl 18 in this pressure position, so that a displacement of the connecting element 4 along the carrier profile 2 only after releasing the adjusting pawl 18 is possible.
  • FIGS. 6a to 6c show a further exemplary embodiment of a height safety device 17.1.
  • This height safety device 17.1 has a pivoting lever 25, which is rotatably coupled about an axis of rotation 26 with the connecting element 4. With this pivot lever 25, a pinch roller 27 can be moved in a link 28.
  • the gate 28 is formed as a curved slot in the clear width of the carrier profile 2 protrudes something.
  • the coating 23 strikes the carrier profile 2, wherein, if desired, the coating 23 against the surface of the carrier profile 2 can still be made so, that the connecting element 4 is slightly offset downwards. As a result, the pinch roller 27 is retracted even further into the clamping area between the link 28 and the surface of the carrier profile 2, so that a secure fixing takes place.
  • two pivoting levers 25 and 25.1 are to be provided on the connecting element 4.
  • the pinch roller 27.1 here has the task, a displacement of the connecting element 4 in the opposite direction, ie to prevent the support section 2 upwards. In this Embodiment thus a displacement of the connecting element is avoided both downwards and upwards.
  • FIGS. 8-13 Another part of the present invention relates to the possibility of seat depth adjustment.
  • possibilities are schematically indicated how a seat depth can be adjusted.
  • a seat surface 30 surrounds a roller 31, wherein, for example, the seat surface 30 may consist of a textile material. If, for example, pulled against the force of a tension element on the seat surface 30, so far a part of the seat located in the seat is pulled out and can serve as a seat.
  • the seat surface 30 could also be wound on one roller 31.1 at one end, whereby this roller could be under a prestress, whereby the seat surface 30 is kept stretched.
  • a seating surface 30 (not shown in greater detail), for example according to the exemplary embodiment according to FIG. 9, could be underpinned by a calculation extract 32.
  • the arithmetic unit 32 is designed such that individual rakes can be moved telescopically with respect to other rakes.
  • FIG. 14 further chairs are shown, in which a further backrest 36 is arranged to a normal backrest.
  • This additional backrest 36 is adjustable along the seat 5, so that a seat depth of a person can be adjusted. This can be done either by the backrest 36 is inserted in arranged at different positions receptacles 37. It is also thought of a stepless adjustment, wherein in the seat, a corresponding slot-like recess 38 is formed. A corresponding mechanism for adjusting the backrest 36 is not shown here.

Abstract

The chair has a height adjustment for the seat at the carrier profile (2), with a locking mechanism (17) at the sliding seat mounting (4) to lock it in place at the required height level. The locking mechanism has a pawl (18), on a pivot axis (19) in the mounting, with a ratchet edge (20) which works together with an edge (21) at the seat carrier (6). The seat carrier swings on an axis (22) at the mounting, with an end cladding (23) flat against the carrier profile when the seat is folded down for sitting, and the pawl slips over the carrier edge to be held in place by a spring.

Description

Die Erfindung betrifft einen Stuhl mit zumindest einem Fuss und einem Trägerprofil, an dem ein Sitz und gegebenenfalls eine Rückenlehne angeordnet ist, wobei der Sitz an dem Trägerprofil in der Höhe stufenlos verstellbar, in einer gewünschten Höhe mit einer Höhensicherung gesichert festlegbar zwischen Trägerprofil und Sitz ein Verbindungselement vorgesehen und der Sitz gegenüber dem Verbindungselement gelenkig gelagert ist.The invention relates to a chair with at least one foot and a support profile on which a seat and optionally a backrest is arranged, wherein the seat on the support profile in height adjustable, secured at a desired height with a height adjustment secured between the carrier profile and a seat Provided connecting element and the seat is articulated relative to the connecting element.

Stühle gibt es in vielfältigster Ausführung und Form. Die vorliegende Erfindung bezieht sich speziell auf einen Stuhl, dessen Sitz in der Höhe und/oder dessen Sitztiefe einstellbar ist. Ferner bezieht sich die Erfindung auf einen Stuhl, der zusammenlegbar ist.Chairs are available in a wide variety of designs and shapes. The present invention relates specifically to a chair whose seat is adjustable in height and / or seat depth. Furthermore, the invention relates to a chair that is collapsible.

Aus der US-A-4 148 523 ist beispielsweise ein Stuhl bekannt, dessen Sitz entlang einem Trägerprofil in der Höhe verstellbar ist. Zum Verstellen wird der Sitz angehoben, ein Verbindungselement entlang dem Trägerprofil verschoben und dann der Sitz wieder abgesenkt, wobei er eine Klemmwirkung auf das Trägerprofil ausübt.From US-A-4 148 523, for example, a chair is known whose seat is adjustable along a support profile in height. To adjust the seat is raised, moved a connecting element along the carrier profile and then the seat lowered again, wherein it exerts a clamping action on the carrier profile.

Dieser Stuhl hat den Nachteil, dass, wenn beispielsweise der Sitz versehentlich angehoben wird, die Höhe leicht von sich aus verstellt wird. Die Klemmwirkung des Sitzes gegenüber dem Trägerprofil hängt im wesentlichen von dem Druck ab, der auf den Sitz ausgeübt wird.This chair has the disadvantage that, for example, if the seat is accidentally raised, the height is easily adjusted by itself. The clamping action of the seat relative to the carrier profile depends essentially on the pressure exerted on the seat.

Um ein unabsichtliches Verstellen der Höhe des Sitzes zu vermeiden, sind an dem Sitz Höhensicherungen vorgesehen. Derartige Höhensicherungen sind ebenfalls in vielfältigster Form und Ausgestaltung bekannt und gebräuchlich.To prevent inadvertent adjustment of the height of the seat, height locks are provided on the seat. Such height locks are also known and widely used in a variety of forms and configurations.

So wird in der EP 1 020 138 A1 ein Sitz beschrieben, bei welchem eine Höhen- und Tiefenverstellung mittels einer an einem Stuhlgestell verlaufenden Zahneingriffsleiste und einer dem Sitz zugeordneten Halteeinrichtung erfolgt, an der ein mit der Zahneingriffsleiste kämmendes Zahnrad sitzt und vom Zahnrad zu einer Drehbewegung antreibbare Antriebsmittel angeordnet sind.For example, EP 1 020 138 A1 describes a seat in which a height and depth adjustment takes place by means of a tooth-engaging strip running on a chair frame and a holding device associated with the seat, on which a gear meshing with the tooth-engaging strip is seated and the gear turns into a rotary movement drivable drive means are arranged.

Um den Sitz nun in einer bestimmten Höhe festlegen zu können, ist der Halteeinrichtung eine Klemmeinrichtung zugeordnet, welche die Halteeinrichtung am Stuhlgestell festklemmt.In order to determine the seat at a certain height, the holding device is associated with a clamping device which clamps the holding device on the chair frame.

Eine weitere Höhensicherung wird in der DE 195 19 739 A1 beschrieben. Hier ist ein Sitz über eine Schraube und über einen Stützarm mit einem Trägerelement verbunden. Der Stützarm greift in ein Langloch in dem Trägerelement und kann nach einem Lösen einer Befestigungsvorrichtung vertikal verschoben werden, um anschliessend mittels der Befestigungsvorrichtung wieder festgelegt zu werden.Another height safety device is described in DE 195 19 739 A1. Here is a seat via a screw and a support arm connected to a support member. The support arm engages in a slot in the support element and can be moved vertically after loosening a fastening device to be subsequently fixed again by means of the fastening device.

In der WO 99/00038 ist ein weiterer Stuhl beschrieben, welcher ebenfalls ein höhen- und tiefenverstellbares Sitzbrett aufweist, welchem ein Trägerelement zugeordnet ist. Eine Höhensicherung entsteht hier durch das in Eingriff kommen von Nasen an dem Trägerelement mit Nuten in Führungsschienen in Seitenelementen des Stuhles sowie des Trägerelementes selber mit Nuten eines zahnradartigen Elementes auf der Rückseite des Stuhles, wobei Klemmelemente für eine Festlegung des Sitzes sorgen.In WO 99/00038 another chair is described, which also has a height and depth adjustable seat board, which is associated with a support element. A fall arrester is created here by the engagement of lugs on the support element with grooves in guide rails in side elements of the chair and the support element itself with grooves of a gear-like element on the back of the chair, with clamping elements provide for a determination of the seat.

Ein Stuhl der o.g. Art ist aus der US 6,017,089 bekannt, dessen Sitz einen Rahmen aufweist, welchem eine Klemmeinrichtung zugeordnet ist. Diese Klemmeinrichtung besteht aus Reibungselementen, welche über Bolzen dem Rahmen des Sitzes zugeordnet sind. Die Reibungselemente gelangen bei einer Drehung des Sitzrahmens in Richtung einer horizontalen Stellung des Sitzrahmens in Reibungskontakt zwischen den Trägerprofilen des Stuhles, wodurch eine Klemmwirkung hervorgerufen wird. Gesichert wird diese Klemmwirkung durch einen einzuschiebenden Bolzen.A chair of the o.g. Art is known from US 6,017,089, the seat has a frame, which is associated with a clamping device. This clamping device consists of friction elements, which are assigned via bolts to the frame of the seat. The friction elements come with a rotation of the seat frame in the direction of a horizontal position of the seat frame in frictional contact between the support profiles of the chair, whereby a clamping action is caused. This clamping effect is secured by a bolt to be inserted.

Nachteilig bei den oben beschriebenen Höhensicherungen ist jedoch, dass sie zumeist direkt mit dem Sitz oder aber mit den Trägerprofil des Sitzes verbunden sind. Hierdurch entsteht ein komplizierter Aufbau der Höhenverstellung und damit auch der Höhensicherung, was wiederum zu einer schwierigeren Handhabung führt.A disadvantage of the above-described height locks is, however, that they are usually directly connected to the seat or with the support profile of the seat. This creates a complicated structure of the height adjustment and thus also the height safety, which in turn leads to a more difficult handling.

Des weiteren ist bei einigen der oben genannten Höhensicherungen eine Sicherung des Sitzes in der gewünschten Höhe nur unzureichend, da sie lediglich auf einer Klemmwirkung zwischen Sitz und Trägerprofil vertrauen. Ferner wirkt die Höhensicherung nicht automatisch.Furthermore, in some of the above-mentioned height locks a security of the seat in the desired height only insufficient, since they trust only on a clamping action between the seat and carrier profile. Furthermore, the fall arrest does not work automatically.

Hinzu kommt, dass vor allem bei der Verwendung von beispielsweise schraubenartigen Elementen ein Verklemmen des schaubenartigen Elementes in dem Trägerprofil od. dgl. auftreten kann, was unter anderem zu einem eventuellen Verletzungen des Benutzers führen kann.In addition, especially in the use of, for example, screw-like elements jamming of the screw-like element od in the support profile. Like. May occur, which among other things can lead to a possible injury to the user.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, einen Stuhl der oben genannten Art zu entwickeln, der mit einer Höhensicherung versehen ist, die sowohl in ihrer Einstellung als auch in ihrer Handhabung sehr variabel und einfach zu bedienen ist und doch eine ausreichende Sicherung gegen ein Verstellen des Sitzes aus seiner gewünschten Höhe bietet.The present invention is therefore based on the object to develop a chair of the type mentioned above, which is provided with a height safety, which is very variable in their setting as well as in their handling and easy to use and yet a sufficient protection against adjustment offers the seat from its desired height.

Zur Lösung dieser Aufgabe führt, dass die gelenkige Lagerung des Sitzes nahe der Oberseite des Sitzes stattfindet und der Sitz in Gebrauchslage mit einem hinteren Belag auf das Trägerprofil drückt, wobei die Höhensicherung eine Stellklinke an dem Verbindungselement aufweist, welche in dieser Gebrauchslage von einer Kante des Sitzes hintergriffen wird.To achieve this object, that the articulated mounting of the seat takes place near the top of the seat and the seat presses in the use position with a rear surface on the support profile, the height safety device has a locking pawl on the connecting element, which in this position of use of an edge of the Seat is engaged behind.

Durch die Anordnung wird ein am Sitzträger vorhandener Belag gegen das Trägerprofil gepresst, wodurch die Lage des Sitzträgers gesichert ist.As a result of the arrangement, a covering present on the seat carrier is pressed against the carrier profile, as a result of which the position of the seat carrier is secured.

Durch Anbringen der Höhensicherung an einem Verbindungselement wird die Handhabung derselben wesentlich vereinfacht. Der Sitz muss lediglich in seine gewünschte Höhe gebracht werden. Anschliessend kann die Höhensicherung an dem Verbindungselement an dem Trägerprofil in die entsprechende Stellung unter dem Sitz gebracht und festgelegt werden.By attaching the height safety device to a connecting element, the handling thereof is substantially simplified. The seat only has to be brought to its desired height. Subsequently, the height safety be placed on the connecting element on the carrier profile in the corresponding position under the seat and fixed.

In einem Ausführungsbeispiel weist die Höhensicherung zumindest ein Klemmelement auf, welches so in einer Kulisse geführt ist, dass es, sobald der Sitz bzw. Sitzträger seine gewünschte Höhe erreicht hat, eine Klemmwirkung in Verbindung mit dem Trägerprofil ausübt, die vermeidet, dass der Sitz ohne Lösen des Klemmelementes aus seiner Lage gebracht wird.In one embodiment, the height safety device has at least one clamping element which is guided in a slot that, as soon as the seat or seat support has reached its desired height, exerts a clamping effect in connection with the carrier profile, which avoids that the seat without Loosening of the clamping element is brought out of its position.

In einem weiteren Ausführungsbeispiel ist daran gedacht, sogar zwei Klemmelemente vorzusehen, wobei das zweite Klemmelement verhindert, dass der Sitz angehoben wird.In a further embodiment, it is envisaged to provide even two clamping elements, wherein the second clamping element prevents the seat from being lifted.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben-sich aus der nachfolgenden Beschreibung-bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung; diese zeigt in

  • Figur 1 eine perspektivische Ansicht eines erfindungsgemässen Stuhls;
  • Figur 2 eine Seitenansicht eines Ausschnitts aus dem Stuhl gemäss Figur 1 im Bereich der Verbindung zwischen Trägerprofil und Fuss;
  • Figur 3 einen Ausschnitt aus dem Stuhl entsprechend Figur 2, jedoch in einer anderen Gebrauchslage;
  • Figur 4 einen Ausschnitt aus dem Stuhl gemäss Figur 1 im Bereich der Verbindung zwischen einem Sitz und einem Trägerprofil;
  • Figur 5 den Ausschnitt gemäss Figur 4 in einer anderen Gebrauchslage;
  • Figur 6 ein weiteres Ausführungsbeispiel eines Ausschnittes aus dem Stuhl gemäss Figur 1 ähnlich den Figuren 4 und 5 in unterschiedlichen Gebrauchslagen;
  • Figur 7 einen Ausschnitt aus einem weiteren Ausführungsbeispiel des Stuhl gemäss Figur 1 ähnlich Figur 6;
  • Figuren 8 - 13 perspektivische Ansichten von Ausführungsbeispielen von Sitzflächen, deren Tiefe veränderbar ist;
  • Figur 14 perspektivische Ansichten von Möglichkeiten einer Rückenlehnenverstellung.
Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawing; this shows in
  • Figure 1 is a perspective view of a chair according to the invention;
  • Figure 2 is a side view of a section of the chair according to Figure 1 in the region of the connection between the carrier profile and foot;
  • Figure 3 shows a detail of the chair according to Figure 2, but in a different position of use;
  • FIG. 4 shows a detail of the chair according to FIG. 1 in the region of the connection between a seat and a carrier profile;
  • FIG. 5 shows the detail according to FIG. 4 in a different position of use;
  • Figure 6 shows another embodiment of a section of the chair according to Figure 1 similar to Figures 4 and 5 in different positions of use;
  • Figure 7 shows a detail of a further embodiment of the chair according to Figure 1 similar to Figure 6;
  • FIGS. 8-13 are perspective views of embodiments of seat surfaces whose depth is variable;
  • Figure 14 perspective views of possibilities of a backrest adjustment.

Gemäss Figur 1 weist ein erfindungsgemässer Stuhl P zwei Füsse 1.1 und 1.2 auf, welche jeweils mit einem Trägerprofil 2.1 und 2.2 verbunden sind. Die Trägerprofile 2.1 und 2.2 nehmen zwischen sich eine Rückenlehne 3 auf.According to FIG. 1, a chair P according to the invention has two feet 1.1 and 1.2 which are each connected to a carrier profile 2.1 and 2.2. The carrier profiles 2.1 and 2.2 take on a backrest 3 between them.

Über jeweils ein Verbindungselement 4.1 bzw.4.2 ist ein Sitz 5 mit den Trägerprofilen 2.1 und 2.2 verbunden. Diese Verbindung geschieht gegebenenfalls über entsprechende Sitzträger 6.In each case via a connecting element 4.1 bzw.4.2 a seat 5 is connected to the carrier profiles 2.1 and 2.2. If necessary, this connection is made via corresponding seat supports 6.

In den Figuren 2 und 3 ist erkennbar, dass ein Trägerprofil 2 über eine Gelenkverbindung 7 mit einem Fuss 1 verbunden ist. Dabei weist die Gelenkverbindung 7 bevorzugt zwei hintereinander angeordnete Lagerlaschen 8 auf, wobei die Lagerlaschen 8 über einen Gelenkbolzen 9 mit dem Trägerprofil 2 verbunden sind. Das Trägerprofil 2 kann um den Gelenkbolzen 9 drehen.It can be seen in FIGS. 2 and 3 that a carrier profile 2 is connected to a foot 1 via an articulated connection 7. In this case, the articulated connection 7 preferably has two bearing lugs 8 arranged one behind the other, wherein the bearing lugs 8 are connected to the carrier profile 2 via a hinge pin 9. The carrier profile 2 can rotate about the hinge pin 9.

Die Drehbewegung des Trägerprofils 2 gegenüber der Lagerlasche 8 wird allerdings durch eine Abkantung 10 begrenzt, welche einen Anschlag für das Trägerprofil 2 ausbildet.However, the rotational movement of the carrier profile 2 relative to the bearing plate 8 is limited by a fold 10, which forms a stop for the carrier profile 2.

Zwischen den beiden Lagerlaschen 8 ist eine Rastklinke 11 vorgesehen, welche in Gebrauchslage gemäss Figur 2 mit einer Rastnase 12 in das Trägerprofil 2 eingreift und dieses in der Gebrauchslage festlegt.Between the two bearing plates 8, a latch 11 is provided, which engages in the position of use according to Figure 2 with a locking lug 12 in the support section 2 and this determines in the position of use.

Die Rastnase 12 kann ausser Eingriff mit dem Trägerprofil 2 gebracht werden, indem auf einen Hebel 13 gedrückt wird und dadurch die Rastklinke 11 gegen den Druck einer Feder 14 ausser Rastlage gebracht wird, wie dies in Figur 3 gezeigt ist. Dabei dreht die Rastklinke 11 um eine Achse 15.The locking lug 12 can be brought out of engagement with the carrier profile 2 by being pressed on a lever 13 and thereby the latch 11 against the pressure of a spring 14th is brought out of rest position, as shown in Figure 3. In this case, the latch 11 rotates about an axis 15th

Zum Einrasten wird das Trägerprofil 2 um den Gelenkbolzen 9 geschwenkt, wobei eine Steuerkante 16 auf die Rastklinke 11 aufgleitet und die Rastnase 12 überfährt, bis die Rastnase unter dem Druck der Feder 14 in das Trägerprofil 2 einfährt.For locking the carrier profile 2 is pivoted about the hinge pin 9, wherein a control edge 16 slides on the latch 11 and the locking lug 12 passes over until the locking lug moves under the pressure of the spring 14 in the support section 2.

Gemäss den Figuren 4 - 7 sollen der Sitz 5 bzw. seine Sitzträger 6 entlang dem Trägerprofil 2 verschiebbar und in einer gewünschten Höhe festlegbar sein. Hierzu ist dem Verbindungselement 4 eine Höhensicherung 17 zugeordnet. Diese Höhensicherung 17 besitzt eine Stellklinke 18, welche schwenkbar um eine Schwenkachse 19 in dem Verbindungselement 4 gelagert ist.According to FIGS. 4-7, the seat 5 or its seat carrier 6 should be able to be displaced along the carrier profile 2 and be fixed at a desired height. For this purpose, the connection element 4 is associated with a height safety device 17. This height safety device 17 has an adjusting pawl 18, which is mounted pivotably about a pivot axis 19 in the connecting element 4.

Die Stellklinke 18 weist eine Rastkante 20 auf, die mit einer Kante 21 am Sitzträger 6 zusammenwirkt.The adjusting pawl 18 has a latching edge 20 which cooperates with an edge 21 on the seat support 6.

Der Sitzträger 6 ist um eine weitere Schwenkachse 22 schwenkbar an dem Verbindungselement 4 angeordnet. Die Schwenkachse 22 ist dabei so angeordnet, dass ein dem Sitzträger 6 zugeordneter Belag 23 in Sitzposition des Sitzträgers 6 (Figur 5) flächig auf dem Trägerprofil 2 anliegt, wobei gleichzeitig die Kante 21 die Rastkante 20 der Stellklinke 18 überfahren hat und die Stellklinke 18 unter dem Druck einer Feder 24 die Kante 21 übergriffen hat. Hierdurch wird zum einen der Belag 23 auf die Oberfläche des Trägerprofils 2 aufgedrückt und zum anderen durch die Stellklinke 18 in dieser Drucklage gehalten, so dass ein Verschieben des Verbindungselementes 4 entlang dem Trägerprofil 2 erst nach Lösen der Stellklinke 18 möglich ist.The seat support 6 is arranged pivotably about a further pivot axis 22 on the connecting element 4. The pivot axis 22 is arranged so that a seat support 6 associated coating 23 in the seat position of the seat support 6 (Figure 5) rests flat on the support section 2, wherein at the same time the edge 21 has passed over the locking edge 20 of the actuating pawl 18 and the adjusting pawl 18 below the pressure of a spring 24, the edge 21 has overlapped. In this way, on the one hand, the coating 23 is pressed onto the surface of the carrier profile 2 and held on the other by the adjusting pawl 18 in this pressure position, so that a displacement of the connecting element 4 along the carrier profile 2 only after releasing the adjusting pawl 18 is possible.

In den Figuren 6a bis 6c ist ein weiteres Ausführungsbeispiel einer Höhensicherung 17.1 gezeigt. Diese Höhensicherung 17.1 weist einen Schwenkhebel 25 auf, der drehbar um eine Drehachse 26 mit dem Verbindungselement 4 gekoppelt ist. Mit diesem Schwenkhebel 25 kann eine Klemmrolle 27 in einer Kulisse 28 bewegt werden. Die Kulisse 28 ist als gekrümmtes Langloch ausgebildet, in dessen lichte Weite das Trägerprofil 2 etwas einragt.FIGS. 6a to 6c show a further exemplary embodiment of a height safety device 17.1. This height safety device 17.1 has a pivoting lever 25, which is rotatably coupled about an axis of rotation 26 with the connecting element 4. With this pivot lever 25, a pinch roller 27 can be moved in a link 28. The gate 28 is formed as a curved slot in the clear width of the carrier profile 2 protrudes something.

Bei gelöster Klemmrolle 27 gemäss Figur 6a kann das Verbindungselement 4 entlang dem Trägerprofil 2 bewegt werden. Ist die gewünschte Höhe für den Sitz erreicht, wird der Schwenkhebel 25 um die Drehachse 26 gedreht, so dass die Klemmrolle 27 in den Bereich des Trägerprofils 2 gelangt. Hierdurch wird zwischen Kulisse 28, Klemmrolle 27 und Trägerprofil 2 eine Klemmwirkung erzielt, wie dies in Figur 6b angedeutet ist.When the pinch roller 27 according to FIG. 6a is released, the connecting element 4 can be moved along the carrier profile 2. Once the desired height has been reached for the seat, the pivot lever 25 is rotated about the axis of rotation 26 so that the pinch roller 27 reaches the area of the carrier profile 2. As a result, a clamping effect is achieved between link 28, pinch roller 27 and carrier profile 2, as indicated in Figure 6b.

Wird jetzt der Sitzträger 6 um seine Schwenkachse 22, wie in Figur 6c gezeigt, geschwenkt, so trifft der Belag 23 auf das Trägerprofil 2 auf, wobei, wenn dies gewünscht, der Belag 23 gegenüber der Oberfläche des Trägerprofils 2 noch so angestellt werden kann, dass das Verbindungselement 4 geringfügig nach unten versetzt wird. Hierdurch wird die Klemmrolle 27 noch weiter in den Klemmbereich zwischen Kulisse 28 und Oberfläche des Trägerprofils 2 eingezogen, so dass eine gesicherte Festlegung erfolgt.Now, if the seat support 6 is pivoted about its pivot axis 22, as shown in Figure 6c, the coating 23 strikes the carrier profile 2, wherein, if desired, the coating 23 against the surface of the carrier profile 2 can still be made so, that the connecting element 4 is slightly offset downwards. As a result, the pinch roller 27 is retracted even further into the clamping area between the link 28 and the surface of the carrier profile 2, so that a secure fixing takes place.

Gemäss dem Ausführungsbeispiel nach Figur 7 sollen an dem Verbindungselement 4 zwei Schwenkhebel 25 und 25.1 vorgesehen werden. Beiden ist eine Kulisse 28 und 28.1 sowie eine Klemmrolle 27 und 27.1 zugeordnet. Die Klemmrolle 27.1 hat hier die Aufgabe, ein Verschieben des Verbindungselementes 4 in entgegengesetzte Richtung, d.h. am Trägerprofil 2 nach oben zu verhindern. Bei diesem Ausführungsbeispiel wird somit ein Verschieben des Verbindungselementes sowohl nach unten als auch nach oben vermieden.According to the exemplary embodiment according to FIG. 7, two pivoting levers 25 and 25.1 are to be provided on the connecting element 4. Both a backdrop 28 and 28.1 and a pinch roller 27 and 27.1 assigned. The pinch roller 27.1 here has the task, a displacement of the connecting element 4 in the opposite direction, ie to prevent the support section 2 upwards. In this Embodiment thus a displacement of the connecting element is avoided both downwards and upwards.

Ein weiterer Teil der vorliegenden Erfindung bezieht sich auf die Möglichkeit der Sitztiefenverstellung. In den Figuren 8 - 13 sind schematisch Möglichkeiten angedeutet, wie eine Sitztiefe verstellt werden kann.Another part of the present invention relates to the possibility of seat depth adjustment. In FIGS. 8-13, possibilities are schematically indicated how a seat depth can be adjusted.

Gemäss Figur 8 umfängt eine Sitzfläche 30 eine Rolle 31, wobei beispielsweise die Sitzfläche 30 aus textilem Werkstoff bestehen kann. Wird an der Sitzfläche 30 beispielsweise gegen die Kraft eines Zugelementes gezogen, so wird ein bisher sich im Sitz befindender Teil der Sitzfläche herausgezogen und kann als Sitzfläche dienen.According to FIG. 8, a seat surface 30 surrounds a roller 31, wherein, for example, the seat surface 30 may consist of a textile material. If, for example, pulled against the force of a tension element on the seat surface 30, so far a part of the seat located in the seat is pulled out and can serve as a seat.

Gemäss Figur 9 könnte die Sitzfläche 30 auch einends auf eine Rolle 31.1 aufgewickelt sein, wobei diese Rolle unter einer Vorspannung stehen könnte, wodurch die Sitzfläche 30 gestreckt gehalten wird.According to FIG. 9, the seat surface 30 could also be wound on one roller 31.1 at one end, whereby this roller could be under a prestress, whereby the seat surface 30 is kept stretched.

Gemäss Figur 10 könnte eine nicht näher gezeigte Sitzfläche 30, beispielsweise nach dem Ausführungsbeispiel gemäss Figur 9, von einem Rechenauszug 32 unterfangen sein. Der Rechenauszug 32 ist so ausgestaltet, dass einzelne Rechen gegenüber anderen Rechen teleskopartig verfahren werden können.According to FIG. 10, a seating surface 30 (not shown in greater detail), for example according to the exemplary embodiment according to FIG. 9, could be underpinned by a calculation extract 32. The arithmetic unit 32 is designed such that individual rakes can be moved telescopically with respect to other rakes.

Gemäss Figur 11 und 12 wird ein ähnliches Ausfahren der Sitzfläche 30 mittels Kniehebel 33 bzw. Scheren 34 erreicht.According to Figures 11 and 12, a similar extension of the seat 30 by means of toggle 33 and scissors 34 is achieved.

In einem einfachen Ausführungsbeispiel der Erfindung gemäss Figur 13 genügt es, wenn die Sitzfläche aus mehreren Sitzflächenelementen 35.1 bis 35.2 besteht, die miteinander verbunden sein können.In a simple embodiment of the invention according to Figure 13, it is sufficient if the seat of several Seat surface elements 35.1 to 35.2 is made, which may be connected to each other.

Gemäss Figur 14 sind des weiteren Stühle dargestellt, bei denen zu einer normalen Rückenlehne 3 eine weitere Rückenlehne 36 angeordnet ist. Diese zusätzliche Rückenlehne 36 ist entlang dem Sitz 5 verstellbar, so dass eine Sitztiefe einer Person angepasst werden kann. Dies kann entweder dadurch erfolgen, dass die Rückenlehne 36 in an verschiedenen Positionen angeordneten Aufnahmen 37 gesteckt wird. Gedacht ist aber auch an ein stufenlose Verstellung, wobei in den Sitz eine entsprechende langlochartige Ausnehmung 38 eingeformt ist. Ein entsprechender Mechanismus zur Verstellung der Rückenlehne 36 ist hier nicht näher gezeigt.According to Figure 14 further chairs are shown, in which a further backrest 36 is arranged to a normal backrest. This additional backrest 36 is adjustable along the seat 5, so that a seat depth of a person can be adjusted. This can be done either by the backrest 36 is inserted in arranged at different positions receptacles 37. It is also thought of a stepless adjustment, wherein in the seat, a corresponding slot-like recess 38 is formed. A corresponding mechanism for adjusting the backrest 36 is not shown here.

Claims (4)

  1. Chair having at least one base (1.1, 1.2) and one support profile (2), on which are disposed a seat (5) and possibly a backrest (3), the seat (5) being vertically adjustable in a stepless manner on the support profile (2) and securedly lockable at a desired height with a height safety means (17, 17.1), a connection element (4) being provided between support profile (2) and seat (5), and the seat (5) being pivotally mounted relative to the connection element (4), characterised in that the pivotal mounting of the seat (5) takes place in the vicinity of the upper side of the seat, and the seat (5), in the position of use, presses with a rear covering (23) on the support profile (2), the height safety means (17) having an adjusting pawl (18) on the connection element (4), behind which pawl one edge (21) of the seat (5) engages in this position of use.
  2. Chair according to claim 1, characterised in that at least one clamping elements (27, 27.1) is provided on the connection element (4), and the support element (2) engages at least partially in the inside width of a slide member (28, 28.1).
  3. Chair according to claim 1 or 2, characterised in that the height safety means (17, 17.1) operates in both directions.
  4. Chair according to claim 3, characterised in that the clamping elements (27, 27.1) are each disposed in a respective slide member (28, 28.1), the support profile (2) engaging at least partially in the inside width of the slide members (28, 28.1) and thereby separating the two clamping elements (27, 27.1) from each other.
EP02755005A 2001-08-30 2002-08-23 Chair Expired - Lifetime EP1420667B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06008412A EP1685778A3 (en) 2001-08-30 2002-08-23 Chair

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10142081 2001-08-30
DE10142081A DE10142081A1 (en) 2001-08-30 2001-08-30 chair
PCT/EP2002/009447 WO2003020078A2 (en) 2001-08-30 2002-08-23 Chair

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06008412A Division EP1685778A3 (en) 2001-08-30 2002-08-23 Chair

Publications (2)

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EP1420667A2 EP1420667A2 (en) 2004-05-26
EP1420667B1 true EP1420667B1 (en) 2006-06-21

Family

ID=7696837

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EP06008412A Withdrawn EP1685778A3 (en) 2001-08-30 2002-08-23 Chair
EP02755005A Expired - Lifetime EP1420667B1 (en) 2001-08-30 2002-08-23 Chair

Family Applications Before (1)

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EP06008412A Withdrawn EP1685778A3 (en) 2001-08-30 2002-08-23 Chair

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US (1) US6945606B2 (en)
EP (2) EP1685778A3 (en)
JP (1) JP2005501582A (en)
AT (1) ATE330510T1 (en)
AU (1) AU2002321311A1 (en)
DE (3) DE10142081A1 (en)
ES (1) ES2263802T3 (en)
WO (1) WO2003020078A2 (en)

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US8201890B1 (en) 2009-11-19 2012-06-19 Naoki Nagoaka Mihara Adjustable seat system
IT1400224B1 (en) * 2010-04-15 2013-05-24 Brevi Srl CHAIR TRANSFORMABLE IN CHAIR FOR CHILDREN
GB201121787D0 (en) * 2011-12-19 2012-02-01 Cheddie Daniel A Improved safety device
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USD769881S1 (en) * 2014-08-18 2016-10-25 Humanscale Corporation Height adjustable workstation
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JP2019097754A (en) * 2017-11-30 2019-06-24 株式会社イトーキ Chair

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Also Published As

Publication number Publication date
DE10142081A1 (en) 2003-03-20
DE20220489U1 (en) 2003-12-04
ES2263802T3 (en) 2006-12-16
WO2003020078A2 (en) 2003-03-13
AU2002321311A1 (en) 2003-03-18
EP1420667A2 (en) 2004-05-26
JP2005501582A (en) 2005-01-20
WO2003020078A3 (en) 2003-07-17
EP1685778A3 (en) 2006-12-06
EP1685778A2 (en) 2006-08-02
ATE330510T1 (en) 2006-07-15
DE50207320D1 (en) 2006-08-03
US20050029850A1 (en) 2005-02-10
US6945606B2 (en) 2005-09-20

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