EP1946676B1 - Chaise - Google Patents

Chaise Download PDF

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Publication number
EP1946676B1
EP1946676B1 EP07121220A EP07121220A EP1946676B1 EP 1946676 B1 EP1946676 B1 EP 1946676B1 EP 07121220 A EP07121220 A EP 07121220A EP 07121220 A EP07121220 A EP 07121220A EP 1946676 B1 EP1946676 B1 EP 1946676B1
Authority
EP
European Patent Office
Prior art keywords
seat
backrest
seat surface
chair according
chair
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.)
Active
Application number
EP07121220A
Other languages
German (de)
English (en)
Other versions
EP1946676A1 (fr
Inventor
Erich Becker
Heiko Büttner
Carsten Gehner
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.)
Wilkhahn Wilkening and Hahne GmbH and Co KG
Original Assignee
Wilkhahn Wilkening and Hahne GmbH and Co KG
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
Priority claimed from US10/241,955 external-priority patent/US6869142B2/en
Application filed by Wilkhahn Wilkening and Hahne GmbH and Co KG filed Critical Wilkhahn Wilkening and Hahne GmbH and Co KG
Priority to DE202007018357U priority Critical patent/DE202007018357U1/de
Priority to PL07121220T priority patent/PL1946676T3/pl
Publication of EP1946676A1 publication Critical patent/EP1946676A1/fr
Application granted granted Critical
Publication of EP1946676B1 publication Critical patent/EP1946676B1/fr
Active legal-status Critical Current
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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • 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
    • 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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
    • A47C1/03274—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs of torsion type
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/02—Upholstery attaching means
    • A47C31/04—Clamps for attaching flat elastic strips or flat meandering springs to frames
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • 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
    • A47C7/38—Support for the head or the back for the head
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs

Definitions

  • the invention relates to a chair with a seat and a seat mechanism, wherein the seat mechanism allows a lateral pivotal movement of the seat.
  • the US 2004/195882 A1 discloses a chair that allows for lateral pivotal movement with the pivot axis in the center of the seat parallel to the thighs of a user.
  • the seat is divided in the direction of the axis of rotation into several sections, wherein the left and right sides of each section always perform an opposite pivotal movement about the axis of rotation.
  • Another chair will be in the JP 10 151033 A shown, which is characterized by a right and a left half of the seat, which are independently supported resiliently.
  • the invention has the object to develop a new movement concept, on the one hand a lateral Pivoting movement of the seat allowed, but still gives the user in the straight position enough security and stability.
  • the chair according to the invention comprises a seat and a seat mechanism, wherein the seat and the seat mechanism are designed such that one side of the seat is movable independently of the other side of the seat during the lateral pivotal movement of the seat, and the two sides of the seat Seat are pivotally mounted about a pivot or rotation axis, which is parallel to the knee axis and in the knee axis of a user.
  • the seat according to the invention should be designed so that the right and left side of the seat are independently movable.
  • Such a chair is able to follow the user in his natural three-dimensional movements while still providing sufficient security in the straight posture.
  • the seat has a seat surface and a backrest, wherein the backrest and the seat surface are movable relative to one another.
  • the seat mechanism has two lateral, independently responding support arms to which the seat is attached.
  • the two support arms are preferably pivotally mounted in the region of the knee axis of a user.
  • the connection of the seat with the support arms can be done for example by means of ball joints, wherein a first and a second ball joint in the lower region of the backrest of the seat and a third and fourth ball joint in the front region of the seat can be arranged.
  • the seat is connected only in the front region of its seat with the seat mechanism.
  • two independently sprung bending or pivoting zones can be provided between the backrest and the seat surface.
  • the seat is thereby pivotally mounted on a base support and the backrest pivotally supported the seat, wherein between the base support and seat a first spring system and between the seat and backrest a second spring system are provided.
  • means for adjusting the spring behavior of both spring systems can be provided in order to adjust the pivoting movement of the seat relative to the base support or the pivoting movement of the backrest with respect to the seat to different requirements, in particular different heavy users.
  • the seat mechanism is designed so that it causes a mechanical synchronization of Weg lake- andcommunlehene Trent.
  • the seat and backrest are integrally formed, yet the right and left sides of the seat are movable relative to each other.
  • the in Fig. 1a to Fig. 1g shown chair according to a first embodiment consists essentially of a seat 1, a seat mechanism 2 and a base support 3.
  • the seat in turn has a seat 10 and a backrest 11 which are movable relative to each other.
  • the relative mobility can be formed by a suitable pivoting or bending zone, wherein seat 10 and backrest 11 can be formed both in one piece and by separate parts.
  • the base support usually has an arbitrarily ausgestaltetes pedestal and is used to hold the seat and the seat mechanism.
  • the seat mechanism 2 has in the illustrated embodiment, two lateral, independently reacting support arms 20, 21, on which the seat 1 is attached.
  • the two support arms 20, 21 are pivotally mounted about a pivot or rotation axis 22, wherein the pivot or rotation axis 22 is supported on the base support 3 such that the pivot or rotation axis 22 is arranged approximately in the region of the knee axis of a user.
  • the seat 1 is mounted in the illustrated embodiment by means of ball joints on the support arms 20, 21.
  • the ball joints 23, 24 and 25, 26 are each arranged symmetrically to the median plane 4 of the chair.
  • the distance of the first and second ball joint 23, 24 to the hip joint axis of a user is preferably less than 0.2 m. Furthermore, the distance a of the two ball joints between 0.1 m and 0.5 m.
  • the displaceability of the third and fourth ball joint 25, 26 is provided, which results when the backrest pivots to the rear or front, as that from which Fig. 1f and Fig. 1g becomes apparent.
  • the pivotal movement of the backrest not only causes a displacement of the seat forward, but also causes a pivoting of the backrest 11 to the first and second ball joint 23, 24.
  • the backrest 11 and the seat 10 are also coupled to each other such that pivoting the Backrest causes a rearward lifting of the seat relative to the support arms. This lifting of the seat takes place mainly in the rear part of the seat, which is caused by the simultaneous lowering of the support arms a total of movement of the rear part of the seat 10 down.
  • the pivotal movement of the backrest 11 to the rear is thus realized substantially by the pivotal movement of the support arms 10, 21 about the pivot axis or rotation 22.
  • the displaceability of the ball joints 25, 26 also allows for leaning back an increase in the angle between the seat 10 and backrest 11th
  • the ball joints 25 and 26 are arranged at a distance A from the pivot or rotation axis 22.
  • the seat 10 is slidably supported with respect to the ball joints 25, 26 from the rear or in, with a rearward displacement without resistance possible while forward displacement is limited by a boundary 40.
  • the boundary 40 may be formed by a fixed or a pressure-resilient stop.
  • FIG. 1i shows that an overall inclination or lurching of the seat is possible without resistance, without causing a rotation of the backrest to the ball joints 23, 24 must come.
  • the angle ⁇ 1 between the seat 10 and the backrest 11 can thus be kept constant during this rocking movement.
  • a rotation of the backrest 11 is always connected to a displacement of the seat with respect to the ball joints 25 and 26. How out FIG. 1h is clearly visible, the ball joints 25 and 26 in contact with the boundary 40, so that a sole rotation of the backrest about the joints 23, 24 from this position is not possible. It is therefore necessary that the seat in turn is pressed by the pressure of the boundary 40 against the ball joints 25, 26 in a downward slope.
  • this second embodiment of the invention is capable of responding to lateral weight shifts by one-sided seat tilt without the user losing seat back contact.
  • the two support arms 20, 21 are via suitable spring elements in the normal position, ie in the upright position, according to Fig. 1f pressed.
  • the spring elements are individually adjustable by the user in the usual form, thereby changing the pivoting behavior.
  • the two support arms can both together, ie synchronously pivot without pivot or rotation axis 22 and independently about the pivot or rotation axis 22.
  • This independent pivoting allows lateral pivoting of the seat, as in Fig. 1e relative to the straight position according to Fig. 1d is shown.
  • the independently responding support arms 20, 21 and the seat itself is designed such that one side, ie the left or right side of the seat in the lateral pivoting movement is independent of the other side of the seat movable. In other words, not the entire seat is tilted sideways, but it comes in particular to an independent movement of the right and left half of the seat, in particular the seat.
  • the pivot or rotation axis 22 is rigid and also the articulation on the seat allows only about a horizontal displacement of the seat, but no lowering of the seat in its front area. With a lateral pivoting of the seat, as in Fig. 1e is shown, it thus comes to a twisting of the seat, in particular the seat. Of course, can be superimposed in this movement additionally also pivoting and or twisting of the backrest.
  • the seat 2 is connected here only in the front region of its seat 10 with the seat mechanism, the seat 10 pivotally mounted on the base support 3 and the backrest are pivotally supported on the seat 10.
  • the seat mechanism is formed here essentially by two spring systems, wherein between the base support 3 and seat 10, a first spring system 27 and between seat 10 and backrest 11, a second spring system 28 are provided. Further refinements of this seat mechanism are from the DE-A-10 2006 023 982 taken from the same applicant.
  • the chair in both pivoting ranges can be tailored to a variety of requirements. By eliminating the mechanical coupling of the two joints less space is required for the chair mechanism and opens up new possibilities in chair design.
  • both spring systems 27, 28 are provided to the pivotal movement of the seat 10 with respect to the base support 3 and the pivoting movement of the backrest 11 with respect to the seat 10 to different requirements, especially different heavy users to adapt can.
  • means are also conceivable which adjust both spring systems 27, 28 together, as is the case in particular in US Pat DE-A-10 2006 023 982 is described in more detail. In this way it can be ensured that even for differently heavy users substantially the same synchronous ratio between seat tilt and backrest tilt is made possible.
  • the pivotal movement of the seat 10 about the base support 3 is about a first hinge axis 29 and the pivotal movement of the backrest 11 about the seat 10 is made possible by a second hinge axis 30. Due to the lack of mechanical coupling of seat and backrest, it is possible to make the distance between the two hinge axes 29, 30 adjustable and thereby achieve a seat depth adjustment.
  • the Seat depth S 1 ie the distance between the two hinge axis 29, 30
  • the seat depth has been reduced to S 2 .
  • the lateral pivoting mobility of the seat is also realized in this embodiment.
  • two lateral support arms 39a, 39b are provided, which are independent of each other via two independent spring elements 27a, 27b pivotally.
  • the spring system 28 is also equipped with two lateral, independently reacting spring elements 28a, 28b. In this way, in turn, a side of the seat in the lateral pivotal movement of the seat can move independently of the other side of the seat, as that from the Fig. 2d and Fig. 2e becomes apparent.
  • the seat 10 and preferably also the backrest 11 are formed so that it can come in the lateral pivoting movement to a twisting of the seat and backrest.
  • a fourth embodiment of a chair is characterized by a seat mechanism, which causes a mechanical synchronization of Weg lake- andmajlehene Trent.
  • the seat 10 is in turn supported pivotally in its front region via a hinge axis 31 on the base support 3.
  • the backrest 11 is articulated laterally on the seat surface 10 via two lateral coupling arms 34a, 34b via joints 35a, 35b.
  • An extension of the coupling arms 34a, 34b is also coupled by means of joints 36a, 36b on the base support 3.
  • This synchronous mechanism is tuned so that a suitable synchronous ratio, for example in the range of 1 to 1.5 to 1 to 3.5, results.
  • the synchronous ratio results from the ratio of the angle by which the seat surface 10 is inclined with respect to the base support 3 and the angle at which the seat back 11 inclines with respect to its upright position.
  • the synchronizing mechanism can also be designed in any other way as long as it causes a mechanical synchronization of seat and backrest slope.
  • two lateral support arms 32, 33 are provided, which are mounted independently of each other pivotably about the hinge axis 31 and are connected in a suitable manner with the seat.
  • the independent pivoting mobility of these two support arms in turn allows one side of the seat is movable in a lateral pivotal movement of the seat independently of the other side of the seat. Since in this case the front end of the seat does not execute a lateral inclination, as in the other exemplary embodiments, the seat 10 is warped and, via the coupling arms 34a, 34b, also a corresponding distortion of the backrest 11.
  • Fig. 4a to Fig. 4g shown fifth embodiment differs from the third embodiment essentially only in that there provided the second spring system 28 is omitted.
  • Seat 10 and backrest 11 are integrally formed, wherein a transition region between the seat 10 and the backrest 11 allows a relative mobility of the seat and backrest.
  • the lateral pivoting mobility of the seat is again achieved by the fact that the seat 10 is articulated and cushioned in its front region by two lateral, independently reacting spring elements 37a, 37b.
  • the connection between the seat surface 10 and the base support 3 can, as in the previous embodiments, take place by means of lateral support arms 38a, 38b, which are movable independently of each other by the two spring elements 37a, 37b.
  • the integrally formed seat shell, consisting of seat 10 and backrest 11, is suitably made of plastic and can be for the realization of the lateral pivoting of the seat (see Fig. 4e ) use accordingly.
  • the seat 10 is pivotable at its front end about a hinge axis, wherein in the region of this hinge axis 2 separate spring elements are provided which allow independent pivoting of the left and right side of the seat about the front hinge axis.
  • the seat is preferably attached to two lateral support arms that react independently of each other about the front hinge axis.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
  • Paper (AREA)
  • Vehicle Body Suspensions (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Harvester Elements (AREA)

Claims (16)

  1. Chaise dotée d'un siège (1) et d'un mécanisme pour siège (2), ledit mécanisme pour siège permettant de faire pivoter le siège latéralement, sachant que le siège (1) et le mécanisme pour siège (2) sont conçus de sorte que l'un des côtés du siège soit mobile indépendamment de l'autre côté du siège lors de l'exécution d'un mouvement de pivotement latéral, caractérisée en ce que le mécanisme pour siège est conçu de telle manière que les deux côtés du siège sont montés à pivotement autour d'un axe de rotation (22), qui est situé parallèlement à l'axe du genou et dans la zone de l'axe du genou d'un utilisateur.
  2. Chaise selon la revendication 1, caractérisée en ce que le siège (1) est doté d'une surface d'assise (10) et d'un dossier (11), le dossier et la surface d'assise étant mobiles l'un par rapport à l'autre.
  3. Chaise selon la revendication 1, caractérisée en ce que le mécanisme pour siège (2) est doté de deux bras de support (20, 21, 32, 33, 38a, 38b, 39a, 39b) latéraux, réagissant indépendamment l'un de l'autre, auxquels le siège est fixé.
  4. Chaise selon la revendication 3, caractérisée en ce que les deux bras de support (20, 21, 32, 33, 38a, 38b, 39a, 39b) sont montés à pivotement dans la zone de l'axe du genou d'un utilisateur.
  5. Chaise selon la revendication 3, caractérisée en ce que le siège (1) est maintenu sur les bras de support (20, 21) au moyen d'articulations à rotule (23, 24, 25, 26).
  6. Chaise selon la revendication 5, caractérisée en ce que la première et la deuxième articulations à rotule (23, 24) sont disposées dans la zone inférieure du dossier (11) du siège (1) et que la troisième et la quatrième articulations à rotule (25, 26) sont disposées dans la zone avant de la surface d'assise (10) du siège (1).
  7. Chaise selon la revendication 5, caractérisée en ce que deux articulations à rotule (23, 24) sont disposées symétriquement par rapport au plan médian de la chaise de sorte que leur distance de l'articulation de la hanche d'un utilisateur soit inférieure à 0,2 m et que l'intervalle (a) entre elles soit situé entre 0,1 m et 0,5 m.
  8. Chaise selon la revendication 6, caractérisée en ce que la surface d'assise (10), dans la zone de la troisième et de la quatrième articulations à rotule (25, 26) et / ou le dossier (11), dans la zone de la première et de la deuxième articulations à rotule (23, 24), sont maintenus, déplaçables par rapport aux bras de support (20, 21).
  9. Chaise selon la revendication 6, caractérisée en ce que le dossier (11) peut être pivoté autour de la première et de la deuxième articulations à rotule (23, 24) et que le dossier et la surface d'assise (10) sont couplés ensemble de sorte qu'un pivotement en arrière du dossier provoque un soulèvement de la surface d'assise par rapport aux bras de support (20, 21).
  10. Chaise selon les revendications 2 et 3, caractérisée en ce que le siège (1) n'est relié au mécanisme pour siège (2) que dans la zone avant de sa surface d'assise (10).
  11. Chaise selon la revendication 10, caractérisée en ce que deux zones de flexion et de pivotement, faisant ressort indépendamment l'une de l'autre, sont prévues entre le dossier et la surface d'assise pour le mouvement relatif du dossier (11) et de la surface d'assise (10).
  12. Chaise selon la revendication 2, caractérisée en ce que la surface d'assise (10) et fixée à pivotement sur un support de base (3) et que le dossier (11) est fixé à pivotement à la surface d'assise (10), et que sont prévus un premier système de ressort (27) entre le support de base et la surface d'assise et un deuxième système de ressort (28) entre le surface d'assise et le dossier.
  13. Chaise selon la revendication 12, caractérisée en ce que des moyens de réglage du comportement élastique des deux systèmes de ressort (27, 28) sont prévus pour adapter le mouvement de pivotement de la surface d'assise (10) en ce qui concerne le support de base (3), respectivement le mouvement de pivotement du dossier (11) en ce qui concerne la surface d'assise (10) à différentes exigences, en particulier à des utilisateurs de poids différents.
  14. Chaise selon la revendication 2, caractérisée en ce que le mécanisme pour siège (2) est conçu de sorte qu'il provoque une synchronisation mécanique de l'inclinaison de la surface d'assise et du dossier.
  15. Chaise selon la revendication 2, caractérisée en ce que la surface d'assise (10) et le dossier (11) sont formés d'une pièce, le côté droit et le côté gauche du siège étant mobiles l'un par rapport à l'autre.
  16. Chaise selon la revendication 2, caractérisée en ce que la surface d'assise (10) est fixée à un support de base (3), en pouvant pivoter autour d'un premier axe d'articulation (29), et que le dossier (11) est fixé à la surface d'assise (10), en pouvant pivoter autour d'un deuxième axe d'articulation (30), les deux axes d'articulation (29, 30) étant agencés, déplaçables l'un par rapport à l'autre.
EP07121220A 2002-09-12 2007-11-21 Chaise Active EP1946676B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE202007018357U DE202007018357U1 (de) 2002-09-12 2007-11-21 Stuhl
PL07121220T PL1946676T3 (pl) 2002-09-12 2007-11-21 Krzesło

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/241,955 US6869142B2 (en) 2002-09-12 2002-09-12 Seating unit having motion control
US10/455,487 US7226130B2 (en) 2002-09-12 2003-06-05 Seating with comfort surface
US10/455,076 US6880886B2 (en) 2002-09-12 2003-06-05 Combined tension and back stop function for seating unit
US10/455,503 US7165811B2 (en) 2002-09-12 2003-06-05 Control mechanism for seating unit
DE102007002284A DE102007002284A1 (de) 2002-09-12 2007-01-16 Stuhl

Publications (2)

Publication Number Publication Date
EP1946676A1 EP1946676A1 (fr) 2008-07-23
EP1946676B1 true EP1946676B1 (fr) 2011-03-09

Family

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Family Applications (7)

Application Number Title Priority Date Filing Date
EP03754456.6A Expired - Lifetime EP1578230B1 (fr) 2002-09-12 2003-09-08 Siege
EP04253350.5A Expired - Lifetime EP1483986B1 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une function de tension et d'une function d'arrèt d'un dossier
EP10075632.9A Expired - Lifetime EP2305072B1 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une fonction de tension et d'une fonction d'arrêt d'un dossier
EP20100075629 Withdrawn EP2305071A3 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une fonction de tension et d'une fonction d'arrêt d'un dossier
EP20100075631 Expired - Lifetime EP2314179B1 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une fonction de tension et d'une fonction d'arrêt d'un dossier
EP20040754388 Withdrawn EP1628554A2 (fr) 2002-09-12 2004-06-04 Siege avec surface de confort
EP07121220A Active EP1946676B1 (fr) 2002-09-12 2007-11-21 Chaise

Family Applications Before (6)

Application Number Title Priority Date Filing Date
EP03754456.6A Expired - Lifetime EP1578230B1 (fr) 2002-09-12 2003-09-08 Siege
EP04253350.5A Expired - Lifetime EP1483986B1 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une function de tension et d'une function d'arrèt d'un dossier
EP10075632.9A Expired - Lifetime EP2305072B1 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une fonction de tension et d'une fonction d'arrêt d'un dossier
EP20100075629 Withdrawn EP2305071A3 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une fonction de tension et d'une fonction d'arrêt d'un dossier
EP20100075631 Expired - Lifetime EP2314179B1 (fr) 2002-09-12 2004-06-04 Combinaison pour un siège d'une fonction de tension et d'une fonction d'arrêt d'un dossier
EP20040754388 Withdrawn EP1628554A2 (fr) 2002-09-12 2004-06-04 Siege avec surface de confort

Country Status (15)

Country Link
US (8) US7226130B2 (fr)
EP (7) EP1578230B1 (fr)
JP (2) JP4562532B2 (fr)
KR (1) KR100779809B1 (fr)
CN (3) CN102669972B (fr)
AT (1) ATE500767T1 (fr)
AU (2) AU2003272280B2 (fr)
BR (2) BRPI0314234B1 (fr)
CA (2) CA2498395C (fr)
DE (3) DE102007002284A1 (fr)
ES (1) ES2359169T3 (fr)
MX (1) MXPA05002605A (fr)
PL (1) PL1946676T3 (fr)
TW (2) TWI257294B (fr)
WO (2) WO2004023934A2 (fr)

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CN108260972A (zh) * 2011-06-08 2018-07-10 霍沃思公司 座椅，尤其是办公椅
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EP2305071A2 (fr) 2011-04-06
AU2003272280A1 (en) 2004-04-30
US20070114827A1 (en) 2007-05-24
DE502007006656D1 (de) 2011-04-21
BRPI0314234B1 (pt) 2016-04-05
CA2498395C (fr) 2010-02-09
US7264311B2 (en) 2007-09-04
DE102007002284A1 (de) 2008-07-17
TW200513211A (en) 2005-04-16
EP2305071A3 (fr) 2011-11-16
AU2004245072A1 (en) 2004-12-16
TWI257294B (en) 2006-07-01
CN1822780A (zh) 2006-08-23
EP2314179A3 (fr) 2011-11-16
WO2004107915A9 (fr) 2005-03-03
US20040245840A1 (en) 2004-12-09
US20040051358A1 (en) 2004-03-18
CA2528041A1 (fr) 2004-12-16
KR20050037000A (ko) 2005-04-20
EP1578230A2 (fr) 2005-09-28
WO2004023934A2 (fr) 2004-03-25
EP1578230B1 (fr) 2018-10-17
BR0314234A (pt) 2005-08-09
DE202007018357U1 (de) 2008-06-05
WO2004107915A2 (fr) 2004-12-16
PL1946676T3 (pl) 2011-08-31
WO2004023934A3 (fr) 2007-07-19
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CN1822781A (zh) 2006-08-23
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CN102669972B (zh) 2015-07-08
EP1628554A2 (fr) 2006-03-01
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KR100779809B1 (ko) 2007-11-27
BRPI0411047A (pt) 2006-07-11
CA2498395A1 (fr) 2004-03-25
CN102669972A (zh) 2012-09-19
ES2359169T3 (es) 2011-05-19
TW200418413A (en) 2004-10-01
EP1946676A1 (fr) 2008-07-23
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US20040245827A1 (en) 2004-12-09
ATE500767T1 (de) 2011-03-15
US20080169693A1 (en) 2008-07-17
EP2305072A2 (fr) 2011-04-06
CA2528041C (fr) 2010-10-05
US7165811B2 (en) 2007-01-23
US7360835B2 (en) 2008-04-22
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EP1483986A1 (fr) 2004-12-08
US20060170263A1 (en) 2006-08-03
EP2314179B1 (fr) 2013-02-20
AU2004245072B2 (en) 2009-04-23
EP2305072B1 (fr) 2016-06-29
US7637570B2 (en) 2009-12-29
US20040245839A1 (en) 2004-12-09
EP2314179A2 (fr) 2011-04-27
WO2004107915A3 (fr) 2005-04-07
US6880886B2 (en) 2005-04-19
US6932430B2 (en) 2005-08-23
US7226130B2 (en) 2007-06-05
EP1578230A4 (fr) 2010-11-03
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EP2305072A3 (fr) 2012-10-17
EP1483986B1 (fr) 2019-07-31

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