EP1946676A1 - Chair - Google Patents

Chair Download PDF

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Publication number
EP1946676A1
EP1946676A1 EP07121220A EP07121220A EP1946676A1 EP 1946676 A1 EP1946676 A1 EP 1946676A1 EP 07121220 A EP07121220 A EP 07121220A EP 07121220 A EP07121220 A EP 07121220A EP 1946676 A1 EP1946676 A1 EP 1946676A1
Authority
EP
European Patent Office
Prior art keywords
seat
backrest
chair according
seat surface
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.)
Granted
Application number
EP07121220A
Other languages
German (de)
French (fr)
Other versions
EP1946676B1 (en
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/en
Priority to PL07121220T priority patent/PL1946676T3/en
Publication of EP1946676A1 publication Critical patent/EP1946676A1/en
Application granted granted Critical
Publication of EP1946676B1 publication Critical patent/EP1946676B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/023Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03272Reclining 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
    • A47C1/03274Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C31/00Details 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
    • A47C31/02Upholstery attaching means
    • A47C31/04Clamps for attaching flat elastic strips or flat meandering springs to frames
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • A47C7/14Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • A47C7/28Seat parts with tensioned springs, e.g. of flat type
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/38Support for the head or the back for the head
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/46Support 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 invention has the object to develop a new movement concept, on the one hand allows a lateral pivoting movement of the seat, 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 configured such that one side of the seat is movable independently of the other side of the seat during the lateral pivoting movement of the seat, and wherein the seat is around a seat Swivel or rotary axis is pivotally mounted, which is parallel to the knee axis of the 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 023 962 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)
  • Paper (AREA)
  • Vehicle Body Suspensions (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Seats For Vehicles (AREA)
  • Harvester Elements (AREA)

Abstract

The chair has a seat (1) and a seat mechanism (2), where the seat mechanism permits a sideways pivoting movement of the seat. The seat and the seat mechanism are formed such that one side of the seat is movable independently of the other side of the seat, during the sideways pivoting movement of the seat. The seat mechanism is formed so that the seat is mounted to be pivotable about a rotation axis lying parallel to a knee axis of a user. The seat has a seat surface (10) and a backrest (11), where the backrest and the seat surface are movable relative to one another.

Description

Die Erfindung betrifft einen Stuhl mit einem Sitz und einer Sitzmechanik, wobei die Sitzmechanik eine seitliche Schwenkbewegung des Sitzes erlaubt.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.

Aus der Praxis sind Konzepte bekannt, die eine allseitige Schwenkbarkeit des Sitzes erlauben. Hierbei liegt das Schwenkgelenk zentral nahe der vertikale Mittelachse durch die Sitzfläche (siehe beispielsweise EP-B-1 051 931 ). Dieses Mechanikkonzept hat jedoch den Nachteil, dass das Sitzen eine ständige Mitwirkung des Benutzers erfordert, um ein ungewolltes Abkippen zu verhindern. Zwar lässt sich oft die Flexibilität in ihrer Härte einstellen, jedoch wird dadurch die Bewegungsfreiheit und dadurch die Anpassung an die Körperbewegungen des Benutzers eingeschränkt.From practice concepts are known that allow an all-round pivoting of the seat. Here, the pivot joint is located centrally near the vertical central axis through the seat (see for example EP-B-1 051 931 ). However, this mechanical concept has the disadvantage that sitting requires a constant involvement of the user to prevent accidental tipping. Although it is often possible to adjust the flexibility in terms of their hardness, this limits the freedom of movement and thus the adaptation to the body movements of the user.

Aus der US 5,713,632 ist ein Stuhl bekannt, der zwei Sitzhälften aufweist, die jeweils um eine etwa parallel zum Oberschenkel eines Benutzers verlaufende Achsen verschwenkbar sind. Dieser Stuhl soll ein bequemes Sitzen auch über einen längeren Zeitraum ermöglichen.From the US 5,713,632 is a chair known which has two seat halves, which are each pivotable about an approximately parallel to the thigh of a user extending axes. This chair should allow a comfortable sitting over a longer period.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde ein neues Bewegungskonzept zu entwickeln, das einerseits eine seitliche Schwenkbewegung des Sitzes erlaubt, aber dennoch dem Benutzer auch in der geraden Stellung genügend Sicherheit und Stabilität vermittelt.Based on this state of the art, the invention has the object to develop a new movement concept, on the one hand allows a lateral pivoting movement of the seat, but still gives the user in the straight position enough security and stability.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruches 1 gelöst.According to the invention, this object is solved by the features of claim 1.

Der erfindungsgemäße Stuhl weist insbesondere einen Sitz und eine Sitzmechanik auf, wobei der Sitz und die Sitzmechanik derart ausgebildet sind, dass die eine Seite des Sitzes bei der seitlichen Schwenkbewegung des Sitzes unabhängig von der anderen Seite des Sitzes bewegbar ist, und wobei der Sitz um eine Schwenk- bzw. Drehachse schwenkbar gelagert ist, die parallel zur Knieachse des Benutzers liegt.In particular, the chair according to the invention comprises a seat and a seat mechanism, wherein the seat and the seat mechanism are configured such that one side of the seat is movable independently of the other side of the seat during the lateral pivoting movement of the seat, and wherein the seat is around a seat Swivel or rotary axis is pivotally mounted, which is parallel to the knee axis of the user.

Im Gegensatz zu den bisher verfolgten Konzepten, bei welchen der gesamte Sitz und insbesondere die gesamte Sitzfläche als starres Element nach rechts oder links kippen, soll der erfindungsgemäße Sitz so ausgebildet sein, dass die rechte und linke Seite des Sitzes unabhängig voneinander bewegbar sind. Ein derartiger Stuhl ist in der Lage dem Benutzer bei seinen natürlichen dreidimensionalen Bewegungen zu folgen und dabei dennoch in der geraden Haltung genügend Sicherheit zu bieten.In contrast to the previously pursued concepts, in which tilt the entire seat and in particular the entire seat as a rigid element to the right or left, 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.

Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further embodiments of the invention are the subject of the dependent claims.

Gemäß einer bevorzugten Ausführungsform weist der Sitz eine Sitzfläche und eine Rückenlehne auf, wobei Rückenlehne und Sitzfläche relativ zueinander beweglich sind.According to a preferred embodiment, the seat has a seat surface and a backrest, wherein the backrest and the seat surface are movable relative to one another.

Gemäß einem ersten Ausführungsbeispiel weist die Sitzmechanik zwei seitliche, unabhängig voneinander reagierende Tragarme auf, an welchen der Sitz befestigt ist. Die beiden Tragarme sind dabei vorzugsweise im Bereich der Knieachse eines Benutzers schwenkbar gelagert. Die Verbindung des Sitzes mit dem Tragarmen kann beispielsweise mittels Kugelgelenken erfolgen, wobei ein erstes und ein zweites Kugelgelenk im unteren Bereich der Rückenlehne des Sitzes und ein drittes und viertes Kugelgelenk im vorderen Bereich der Sitzfläche angeordnet sein können.According to a first embodiment, 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.

Gemäß einer zweiten Ausgestaltung der Erfindung ist der Sitz lediglich im vorderen Bereich seiner Sitzfläche mit der Sitzmechanik verbunden. Dabei können insbesondere für die Relativbewegung von Rückenlehne und Sitzfläche zwei unabhängig voneinander abgefederte Biege- oder Schwenkzonen zwischen Rückenlehne und Sitzfläche vorgesehen werden. Gemäß einer bevorzugten Ausgestaltung der Erfindung ist die Sitzfläche dabei schwenkbeweglich an einem Basisträger und die Rückenlehne schwenkbeweglich der Sitzfläche gehaltert, wobei zwischen Basisträger und Sitzfläche ein erstes Federsystem und zwischen Sitzfläche und Rückenlehne ein zweites Federsystem vorgesehen sind.According to a second embodiment of the invention, the seat is connected only in the front region of its seat with the seat mechanism. In this case, in particular for the relative movement of the backrest and the seat surface, two independently sprung bending or pivoting zones can be provided between the backrest and the seat surface. According to a preferred embodiment of the invention, 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.

Als weitere Ausgestaltung können dabei Mittel zur Verstellung des Federverhaltens beide Federsysteme vorgesehen werden, um die Schwenkbeweglichkeit der Sitzfläche bezüglich dem Basisträger bzw. die Schwenkbeweglichkeit der Rückenlehne bezüglich der Sitzfläche an unterschiedlicher Anforderungen, insbesondere unterschiedlich schwere Benutzer anpassen zu können.As a further embodiment, 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.

Gemäß einem dritten und vierten Ausführungsbeispiel der Erfindung ist die Sitzmechanik so ausgebildet, dass sie eine mechanische Synchronisierung von Sitzflächen- und Rückenlehneneigung bewirkt.According to a third and fourth embodiment of the invention, the seat mechanism is designed so that it causes a mechanical synchronization of Sitzflächen- and Rückenlehneneigung.

Im einem fünften Ausführungsbeispiel der Erfindung sind Sitzfläche und Rückenlehne einstückig ausgebildet, wobei dennoch die rechte und linke Seite des Sitzes relativ zueinander bewegbar sind.In a fifth embodiment of the invention, the seat and backrest are integrally formed, yet the right and left sides of the seat are movable relative to each other.

Weitere Vorteile und Ausgestaltung der Erfindung werden im Folgenden anhand der Beschreibung einiger Ausführungsbeispiele und der Zeichnung näher erläutert.Further advantages and embodiment of the invention are explained in more detail below with reference to the description of some embodiments and the drawings.

In der Zeichnung zeigen

Fig. 1a - Fig. 1c
verschiedene Ansichten (Draufsicht, Rückansicht, Seitenansicht) eines Stuhls gemäß einem ersten Ausführungsbeispiel,
Fig. 1d und Fig. 1 e
Rückansichten des Stuhles in der aufrechten bzw. seitlich geneigten Stellung,
Fig. 1f und Fig. 1g
Seitenansichten des Stuhles in der Normalposition bzw. in der zurückgeneigten Stellung,
Fig. 1h bis Fig. 1j
Seitenansichten des Stuhles in unterschiedlich geneigten Positionen mit Mitteln gemäß einem zweiten Ausführungsbeispiel,
Fig. 2a - Fig. 2c
verschiedene Ansichten (Draufsicht, Rückansicht, Seitenansicht) eines Stuhls gemäß einem dritten Ausführungsbeispiel,
Fig. 2d und Fig. 2e
Rückansichten des Stuhles in der aufrechten bzw. seitlich geneigten Stellung,
Fig. 2f und Fig. 2g
Seitenansichten des Stuhles in der Normalposition bzw. in der zurückgeneigten Stellung.
Fig. 2h und Fig. 2i
Seitenansichten des Stuhles in der Normalposition bzw. in der zurückgeneigten Stellung, wobei der Abstand der beiden Gelenkachsen gegenüber der Darstellung in den Fig. 2f und Fig. 2g verkürzt ist,
Fig. 3a - Fig. 3c
verschiedene Ansichten (Draufsicht, Rückansicht, Seitenansicht) eines Stuhls gemäß einem vierten Ausführungsbeispiel,
Fig. 3d und Fig. 3e
Rückansichten des Stuhles in der aufrechten bzw. seitlich geneigten Stellung,
Fig. 3f und Fig. 3g
Seitenansichten des Stuhles in der Normalposition bzw. in der zurückgeneigten Stellung.
Fig. 4a - Fig. 4c
verschiedene Ansichten (Draufsicht, Rückansicht, Seitenansicht) eines Stuhls gemäß einem fünften Ausführungsbeispiel,
Fig. 4d und Fig. 4e
Rückansichten des Stuhles in der aufrechten bzw. seitlich geneigten Stellung.
Fig. 4f und Fig. 4g
Seitenansichten des Stuhles in der Normalposition bzw. in der zurückgeneigten Stellung.
In the drawing show
Fig. 1a - Fig. 1c
various views (top view, rear view, side view) of a chair according to a first embodiment,
Fig. 1d and Fig. 1 e
Rear views of the chair in the upright or laterally inclined position,
Fig. 1f and Fig. 1g
Side views of the chair in the normal position or in the reclined position,
Fig. 1h to Fig. 1j
Side views of the chair in different inclined positions with means according to a second embodiment,
Fig. 2a - Fig. 2c
various views (top view, rear view, side view) of a chair according to a third embodiment,
Fig. 2d and Fig. 2e
Rear views of the chair in the upright or laterally inclined position,
Fig. 2f and Fig. 2g
Side views of the chair in the normal position or in the reclined position.
Fig. 2h and Fig. 2i
Side views of the chair in the normal position or in the reclined position, wherein the distance between the two hinge axes relative to the representation in the Fig. 2f and Fig. 2g is shortened,
Fig. 3a - Fig. 3c
various views (top view, rear view, side view) of a chair according to a fourth embodiment,
Fig. 3d and Fig. 3e
Rear views of the chair in the upright or laterally inclined position,
Fig. 3f and Fig. 3g
Side views of the chair in the normal position or in the reclined position.
Fig. 4a - Fig. 4c
various views (top view, rear view, side view) of a chair according to a fifth embodiment,
Fig. 4d and Fig. 4e
Rear views of the chair in the upright or laterally inclined position.
Fig. 4f and Fig. 4g
Side views of the chair in the normal position or in the reclined position.

Der in Fig. 1a bis Fig. 1g dargestellte Stuhl gemäß einem ersten Ausführungsbeispiel besteht im Wesentlichen aus einem Sitz 1, eine Sitzmechanik 2 sowie einen Basisträger 3. Der Sitz weist wiederum eine Sitzfläche 10 und eine Rückenlehne 11 auf, die relativ zueinander beweglich sind. Die relative Beweglichkeit kann dabei durch eine geeignete Schwenk- oder Biegezone gebildet werden, wobei Sitzfläche 10 und Rückenlehne 11 sowohl einstückig als auch durch separate Teile ausgebildet sein können.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.

Der Basisträger weist in üblicherweise ein beliebig ausgestaltetes Fußgestell auf und dient zur Halterung des Sitzes sowie der Sitzmechanik.The base support usually has an arbitrarily ausgestaltetes pedestal and is used to hold the seat and the seat mechanism.

Die Sitzmechanik 2 weist im dargestellten Ausführungsbeispiel zwei seitliche, unabhängig voneinander reagierende Tragarme 20, 21 auf, an denen der Sitz 1 befestigt ist. Die beiden Tragarme 20, 21 sind um eine Schwenk- oder Drehachse 22 schwenkbar gelagert, wobei die Schwenk- bzw. Drehachse 22 derart am Basisträger 3 gehaltert ist, dass die Schwenk- oder Drehachse 22 etwa im Bereich der Knieachse eines Benutzers angeordnet ist.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.

Der Sitz 1 ist im dargestellten Ausführungsbeispiel mittels Kugelgelenken an den Tragarmen 20, 21 gelagert. Dabei ist ein erstes und ein zweites Kugelgelenk 23, 24 im unteren Bereich der Rückenlehne 11 und ein drittes und viertes Kugelgelenk 25, 26 im vorderen Bereich der Sitzfläche 10 angeordnet. Die Kugelgelenke 23, 24 bzw. 25, 26 sind jeweils symmetrische zur Mittelebene 4 des Stuhles angeordnet. Der Abstand des ersten und zweiten Kugelgelenks 23, 24 zur Hüftgelenkachse eines Benutzers beträgt vorzugsweise weniger als 0,2 m. Weiterhin beträgt der Abstand a der beiden Kugelgelenke zwischen 0,1 m und 0,5 m.The seat 1 is mounted in the illustrated embodiment by means of ball joints on the support arms 20, 21. In this case, a first and a second ball joint 23, 24 in the lower region of the backrest 11 and a third and fourth ball joint 25, 26 arranged in the front region of the seat 10. 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.

Weiterhin ist die Sitzfläche 10 im Bereich des dritten und vierten Kugelgelenks 25, 26 und/oder die Rückenlehne 11 im Bereich des ersten und zweiten Kugelgelenks 23, 24 relativ zu den Tragarmen 20, 21 verschiebbar gehaltert. Im konkreten Ausführungsbeispiel ist die Verschiebbarkeit des dritten und vierten Kugelgelenks 25, 26 vorgesehen, welche sich dann ergibt, wenn die Rückenlehne nach hinten bzw. vorne schwenkt, wie das aus denen Fig. 1f und Fig. 1g ersichtlich wird. Die Schwenkbewegung der Rückenlehne verursacht nicht nur eine Verschiebung der Sitzfläche nach vorne, sondern bewirkt auch ein Schwenken der Rückenlehne 11 um das erste bzw. zweite Kugelgelenk 23, 24. Die Rückenlehne 11 und die Sitzfläche 10 sind außerdem derart miteinander gekoppelt, dass ein Schwenken der Rückenlehne nach hinten ein Anheben der Sitzfläche relativ zu den Tragarmen bewirkt. Dieses Anheben der Sitzfläche erfolgt vor allem im hinteren Teil der Sitzfläche, wobei durch die gleichzeitige Absenkung der Tragarme insgesamt einer Bewegung des hinteren Teils der Sitzfläche 10 nach unten bewirkt wird.Furthermore, the seat 10 in the region of the third and fourth ball joint 25, 26 and / or the backrest 11 in the region of the first and second ball joint 23, 24 relative to the support arms 20, 21 slidably supported. In the concrete embodiment, 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.

Die Schwenkbewegung der Rückenlehne 11 nach hinten wird somit im Wesentlichen durch die Schwenkbewegung der Tragarme 10, 21 um die Schwenk- oder Drehachse 22 realisiert. Die Verschiebbarkeit der Kugelgelenke 25, 26 ermöglicht zudem beim Zurücklehnen eine Vergrößerung des Winkels zwischen Sitzfläche 10 und Rückenlehne 11.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

Gemäß einem zweiten Ausführungsbeispiel sind die Kugelgelenke 25 und 26 in einem Abstand A von der Schwenk- bzw. Drehachse 22 angeordnet. Die Sitzfläche 10 ist bezüglich der Kugelgelenke 25, 26 nach vom bzw. hinten in verschiebbar gehaltert, wobei eine nach hinten gerichtete Verschiebung widerstandslos möglich ist, während eine nach vorne gerichtete Verschiebung durch eine Begrenzung 40 begrenzt wird. Die Begrenzung 40 kann durch einem festen oder einen unter Druck nachgiebigen Anschlag gebildet werden.According to a second embodiment, 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.

Die Figur 1i zeigt, dass eine Gesamtneigung bzw. Abwippen des Sitzes widerstandsfrei möglich ist, ohne dass es zu einer Drehung der Rückenlehne um die Kugelgelenke 23, 24 kommen muss. Der Winkel α1 zwischen Sitzfläche 10 und Rückenlehne 11 kann somit bei dieser Wippbewegung konstant gehalten werden.The 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 α1 between the seat 10 and the backrest 11 can thus be kept constant during this rocking movement.

Eine Drehung der Rückenlehne 11 ist immer auch mit einer Verschiebung der Sitzfläche bezüglich der Kugelgelenke 25 und 26 verbunden. Wie aus Figur 1h deutlich erkennbar ist, sind die Kugelgelenke 25 und 26 in Kontakt mit der Begrenzung 40, sodass eine alleinige Drehung der Rückenlehne um die Gelenke 23, 24 aus dieser Stellung nicht möglich ist. Es ist daher erforderlich, dass die Sitzfläche ihrerseits durch den Druck der Begrenzung 40 gegen die Kugelgelenke 25, 26 in eine Abwärtsneigung gedrückt wird.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.

Aus dieser Konstellation ergibt sich eine mechanische Synchronisierung von Sitzflächenneigung und Rückenlehnenneigung (β1-β2/α2-α1), die nur in eine Richtung wirksam ist. Für den Benutzer ergibt sich der Vorteil, dass er durch das freie Wippen beim Niederlassen auf den Stuhl angenehm einfedert, ohne den Rückenlehnenkontakt zu verlieren, und dass ihm dennoch beim Zurücklehnen eine mechanische Synchronisierung mit harmonischem und definierten Verlauf von Sitzflächenneigung und Rückenlehnenneigung zur Verfügung steht.From this constellation results in a mechanical synchronization of seat tilt and backrest tilt (β1-β2 / α2-α1), which is effective only in one direction. For the user, there is the advantage that it springs in by the free rockers when settling on the chair comfortable without losing the backrest contact, and that it is still a mechanical synchronization with harmonious and defined course of seat tilt and backrest inclination available when leaning back.

Im Zusammenhang mit dem Merkmal der unabhängigen Bewegung von rechter und linker Sitzseite ist diese zweite Ausführungsform der Erfindung in der Lage, auf seitliche Gewichtsverlagerungen durch einseitige Sitzflächenneigung zu reagieren, ohne, dass der Benutzer den Rückenlehnenkontakt verliert.In the context of the independent right and left seat side feature, 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.

Die beiden Tragarme 20, 21 werden über geeignete Federelemente in die Normalposition, d.h. in die aufrechte Position, gemäß Fig. 1f gedrückt. Die Federelemente sind in der üblichen Form individuell vom Benutzer einstellbar, um dadurch das Schwenkverhalten zu verändern.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.

Die beiden Tragarme können sowohl gemeinsam, d.h. synchron ohne Schwenk- bzw. Drehachse 22 als auch unabhängig voneinander um die Schwenk bzw. Drehachse 22 schwenken. Diese unabhängige Schwenkbarkeit ermöglicht eine seitliche Schwenkbarkeit des Sitzes, wie dies in Fig. 1e gegenüber der geraden Stellung gemäß Fig. 1d dargestellt ist. Neben den unabhängig voneinander reagierenden Tragarmen 20, 21 ist auch der Sitz selbst derart ausgebildet, dass eine Seite, d.h. die linke oder rechte Seite des Sitzes bei der seitlichen Schwenkbewegung unabhängig von der jeweils anderen Seite des Sitzes bewegbar ist. Mit anderen Worten wird nicht der komplette Sitz seitlich gekippt, sondern es kommt insbesondere zu einer unabhängigen Bewegung der rechten und linken Hälfte des Sitzes, insbesondere der Sitzfläche. Im dargestellten Ausführungsbeispiel ist die Schwenk- bzw. Drehachse 22 starr ausgebildet und auch die Anlenkung an den Sitz ermöglicht lediglich eine etwa horizontale Verschiebung des Sitzes, jedoch keine Absenkung des Sitzes in seinem vorderen Bereich. Bei einer seitliche Schwenkung des Sitzes, wie dies in Fig. 1e dargestellt ist, kommt es somit zur einer Verwindung des Sitzes, insbesondere der Sitzfläche. Selbstverständlich kann bei dieser Bewegung zusätzlich auch noch ein Verschwenken und oder Verwinden der Rückenlehne überlagert sein.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. In addition to 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. In the illustrated embodiment, 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.

Anhand der Fig. 2a bis Fig. 2i wird im Folgenden ein drittes Ausführungsbeispiel erläutert.Based on Fig. 2a to Fig. 2i In the following, a third embodiment is explained.

Zum leichteren Verständnis werden für gleiche Bauteile die selben Bezugszeichen wie beim ersten Ausführungsbeispiel verwendet.For ease of understanding, the same reference numerals are used for the same components as in the first embodiment.

Der Sitz 2 ist hier lediglich im vorderen Bereich seiner Sitzfläche 10 mit der Sitzmechanik verbunden, wobei die Sitzfläche 10 schwenkbeweglich am Basisträger 3 und die Rückenlehne schwenkbeweglich an der Sitzfläche 10 gehaltert sind. Die Sitzmechanik wird hier im Wesentlichen durch zwei Federsysteme gebildet, wobei zwischen Basisträger 3 und Sitzfläche 10 ein erstes Federsystem 27 und zwischen Sitzfläche 10 und Rückenlehne 11 ein zweites Federsystem 28 vorgesehen sind. Nähere Ausgestaltungen dieser Sitzmechanik sind aus der DE-A-10 2006 023 982 der selben Anmelderin zu entnehmen.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.

Indem die Schwenkbewegung der Rückenlehne 11 bezüglich der Sitzfläche 10 mechanisch nicht mit der Schwenkbewegung der Sitzfläche 10 bezüglich des Basisträgers gekoppelt ist, kann der Stuhl in beiden Schwenkbereichen individuell auf die unterschiedlichsten Anforderungen abgestimmt werden. Durch den Wegfall der mechanischen Kopplung der beiden Gelenke wird für die Stuhlmechanik weniger Bauraum benötigt und eröffnet neue Möglichkeiten beim Stuhldesign.By the pivotal movement of the backrest 11 with respect to the seat 10 is not mechanically coupled to the pivotal movement of the seat 10 with respect to the base support, 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.

Weiterhin können nicht näher dargestellte Mittel zur Verstellung des Federverhaltens beide Federsysteme 27, 28 vorgesehen werden, um die Schwenkbeweglichkeit der Sitzfläche 10 bezüglich dem Basisträger 3 bzw. die Schwenkbeweglichkeit der Rückenlehne 11 bezüglich der Sitzfläche 10 an unterschiedlicher Anforderungen, insbesondere unterschiedlich schwere Benutzer, anpassen zu können. Dabei sind insbesondere auch Mittel denkbar, die beide Federsysteme 27, 28 gemeinsam verstellen, wie das insbesondere in der DE-A-10 2006 023 962 näher beschrieben ist. Auf diese Weise kann sichergestellt werden, dass auch für unterschiedlich schwere Benutzer im Wesentlichen das gleiche Synchronverhältnis zwischen Sitzflächenneigung und Rückenlehnenneigung ermöglicht wird.Furthermore, not shown means for adjusting the spring behavior of 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. In this case, 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 023 962 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.

Die Schwenkbewegung der Sitzfläche 10 um den Basisträger 3 erfolgt um eine erste Gelenkachse 29 und die Schwenkbewegung der Rückenlehne 11 um die Sitzfläche 10 wird durch eine zweite Gelenkachse 30 ermöglicht. Durch die fehlende mechanische Kopplung von Sitzfläche und Rückenlehne besteht die Möglichkeit, den Abstand zwischen den beiden Gelenkachsen 29, 30 einstellbar zu gestalten und dadurch eine Sitztiefenverstellung zu erreichen. In den Fig. 2f und Fig. 2g beträgt die Sitztiefe S1 (d.h. der Abstand zwischen den beiden Gelenkachse 29, 30), während in den Fig. 2h und 2i die Sitztiefe auf S2 verkleinert worden ist.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. In the Fig. 2f and Fig. 2g is the Seat depth S 1 (ie the distance between the two hinge axis 29, 30), while in the Fig. 2h and 2i the seat depth has been reduced to S 2 .

Darüber hinaus ist aber auch bei diesem Ausführungsbeispiel die seitliche Schwenkbeweglichkeit des Sitzes realisiert. Zu diesem Zweck sind wiederum zwei seitliche Tragarme 39a, 39b vorgesehen, die unabhängig von einander über zwei unabhängige Federelemente 27a, 27b schwenkbar sind. Auch das Federsystem 28 ist mit zwei seitlichen, unabhängig voneinander reagierenden Federelementen 28a, 28b ausgestattet. Auf diese Weise kann sich wiederum eine Seite des Sitzes bei der seitlichen Schwenkbewegung des Sitzes unabhängig von der anderen Seite des Sitzes bewegen, wie das aus den Fig. 2d und Fig. 2e ersichtlich wird.In addition, however, the lateral pivoting mobility of the seat is also realized in this embodiment. For this purpose, in turn, 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.

Außerdem sind die Sitzfläche 10 und vorzugsweise auch die Rückenlehne 11 so ausgebildet, dass es bei der seitlichen Schwenkbewegung zur einer Verwindung von Sitzfläche und Rückenlehne kommen kann.In addition, 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.

Anhand der Fig. 3a bis Fig. 3e wird im Folgenden ein viertes Ausführungsbeispiel eines Stuhles näher beschrieben, der sich durch eine Sitzmechanik auszeichnet, die eine mechanische Synchronisierung von Sitzflächen- und Rückenlehneneigung bewirkt. Die Sitzfläche 10 ist wiederum in ihrem vorderen Bereich über eine Gelenkachse 31 am Basisträger 3 schwenkbeweglich gehaltert. Die Rückenlehne 11 ist über zwei seitliche Kopplungsarme 34a, 34b über Gelenke 35a, 35b seitlich an der Sitzfläche 10 angelenkt. Eine Verlängerung der Kopplungsarme 34a, 34b ist zudem mittels Gelenken 36a, 36b am Basisträger 3 angekoppelt.Based on Fig. 3a to Fig. 3e In the following, a fourth embodiment of a chair will be described in more detail, which is characterized by a seat mechanism, which causes a mechanical synchronization of Sitzflächen- and Rückenlehneneigung. 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.

Diese Synchronmechanik ist so abgestimmt, dass sich ein geeignetes Synchronverhältnis, beispielsweise im Bereich von 1 zu 1,5 bis 1 zu 3,5, ergibt. Das Synchronverhältnis ergibt sich dabei aus dem Verhältnis des Winkels, um den sich die Sitzfläche 10 bezüglich des Basisträgers 3 neigt und dem Winkel, mit dem sich die Rückenlehne 11 bezüglich ihrer aufrechten Stellung neigt. Grundsätzlich kann die Synchronmechanik auch in jeder anderen Art und Weise ausgebildet sein, solange sie eine mechanische Synchronisierung von Sitzflächen- und Rückenlehneneigung bewirkt.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. In principle, the synchronizing mechanism can also be designed in any other way as long as it causes a mechanical synchronization of seat and backrest slope.

Zur Befestigung der Sitzfläche 10 an der Gelenkachse 31 sind wiederum zwei seitliche Tragarme 32, 33 vorgesehen, die unabhängig voneinander um die Gelenkachse 31 schwenkbeweglich gelagert sind und in geeigneter Weise mit der Sitzfläche verbunden sind. Die unabhängige Schwenkbeweglichkeit dieser beiden Tragarme ermöglicht wiederum, dass eine Seite des Sitzes bei einer seitlichen Schwenkbewegung des Sitzes unabhängig von der anderen Seite des Sitzes bewegbar ist. Da sich dabei das vordere Ende des Sitzes keine seitliche Neigung ausführt, kommt es wie schon bei den anderen Ausführungsbeispielen zu einer Verwindung der Sitzfläche 10 und über die Kopplungsarme 34a, 34b auch zu einer entsprechenden Verwindung der Rückenlehne 11.For attachment of the seat 10 on the hinge axis 31, in turn, 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.

Das in den Fig. 4a bis Fig. 4g dargestellte fünfte Ausführungsbeispiel unterscheidet sich vom dritten Ausführungsbeispiel im Wesentlichen nur dadurch, dass das dort vorgesehne zweite Federsystem 28 weggelassen wird.That in the 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.

Sitzfläche 10 und Rückenlehne 11 sind einstückig ausgebildet, wobei ein Übergangsbereich zwischen Sitzfläche 10 und Rückenlehne 11 eine relative Beweglichkeit von Sitzfläche und Rückenlehne ermöglicht.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.

Die seitliche Schwenkbeweglichkeit des Sitzes wird wiederum dadurch erreicht, dass der Sitz 10 in seinem vorderen Bereich durch zwei seitliche, unabhängig voneinander reagierende Federelemente 37a, 37b angelenkt und abgefedert ist. Die Verbindung zwischen Sitzfläche 10 und Basisträger 3 kann dabei wie auch schon bei den vorhergehenden Ausführungsbeispielen mittels seitlichen Tragarmen 38a, 38b erfolgen, die durch die beiden Federelementen 37a, 37 unabhängig voneinander beweglich sind. Die einstückig ausgebildete Sitzschale, bestehend aus Sitzfläche 10 und Rückenlehne 11, wird zweckmäßigerweise aus Kunststoff gefertigt und lässt sich zur Realisierung der seitlichen Schwenkbarkeit des Sitzes (siehe Fig. 4e) entsprechend verwenden.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.

Bei allen Ausführungsbeispielen ist die Sitzfläche 10 an ihrem vorderen Ende um eine Gelenkachse schwenkbar, wobei im Bereich dieser Gelenkachse 2 separate Federelemente vorgesehen sind, die ein unabhängiges Schwenken der linken und rechten Seite des Sitzes um die vordere Gelenkachse ermöglichen. Der Sitz ist vorzugsweise an zwei seitlichen, um die vordere Gelenkachse unabhängig voneinander reagierenden Tragarmen befestigt.In all embodiments, 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.

Claims (16)

Stuhl mit einem Sitz (1) und einer Sitzmechanik (2), wobei die Sitzmechanik eine seitliche Schwenkbewegung des Sitzes erlaubt, wobei der Sitz (1) und die Sitzmechanik (2) derart ausgebildet sind, dass die eine Seite des Sitzes bei der seitlichen Schwenkbewegung des Sitzes unabhängig von der anderen Seite des Sitzes bewegbar ist,
dadurch gekennzeichnet, das die Sitzmechanik derart ausgebildet ist, dass der Sitz um eine Drehachse (22) schwenkbar gelagert ist, die parallel zur Knieachse des Benutzers liegt.
Chair having a seat (1) and a seat mechanism (2), the seat mechanism allowing a lateral pivotal movement of the seat, wherein the seat (1) and the seat mechanism (2) are formed such that the one side of the seat in the lateral pivoting movement the seat is movable independently of the other side of the seat,
characterized in that the seat mechanism is formed such that the seat is pivotally mounted about an axis of rotation (22) which is parallel to the knee axis of the user.
Stuhl nach Anspruch 1, dadurch gekennzeichnet, dass der Sitz (1) eine Sitzfläche (10) und eine Rückenlehne (11) aufweist, wobei Rückenlehne und Sitzfläche relativ zueinander beweglich sind.Chair according to claim 1, characterized in that the seat (1) has a seat surface (10) and a backrest (11), wherein the backrest and the seat surface are movable relative to each other. Stuhl nach Anspruch 1, dadurch gekennzeichnet, dass die Sitzmechanik (2) zwei seitliche, unabhängig voneinander reagierende Tragarme (20, 21; 32, 33; 38a, 38b, 39a, 39b) aufweist, an welchen der Sitz befestigt ist.Chair according to claim 1, characterized in that the seat mechanism (2) has two lateral, independently responding support arms (20, 21; 32, 33; 38a, 38b, 39a, 39b) to which the seat is attached. Stuhl nach Anspruch 3, dadurch gekennzeichnet, dass die beiden Tragarme (20, 21; 32, 33; 38a, 38b, 39a, 39b) im Bereich der Knieachse eines Benutzers schwenkbar gelagert sind.Chair according to claim 3, characterized in that the two support arms (20, 21, 32, 33, 38a, 38b, 39a, 39b) are pivotally mounted in the region of the knee axis of a user. Stuhl nach Anspruch 3, dadurch gekennzeichnet, dass der Sitz (1) mittels Kugelgelenken (23, 24, 25, 26) an den Tragarmen (20, 21) gehaltert ist.Chair according to claim 3, characterized in that the seat (1) by means of ball joints (23, 24, 25, 26) on the support arms (20, 21) is supported. Stuhl nach Anspruch 5, dadurch gekennzeichnet, dass ein erstes und ein zweites Kugelgelenk (23, 24) im unteren Bereich einer Rückenlehne (11) des Sitzes (1) und ein drittes und ein viertes Kugelgelenk (25, 26) im vorderen Bereich einer Sitzfläche (10) des Sitzes angeordnet sind.Chair according to claim 5, characterized in that a first and a second ball joint (23, 24) in the lower region of a backrest (11) of the seat (1) and a third and a fourth ball joint (25, 26) in the front region of a seat (10) of the seat are arranged. Stuhl nach Anspruch 5, dadurch gekennzeichnet, dass zwei Kugelgelenke (23, 24) symmetrisch zur Mittelebene des Stuhls derart angeordnet sind, dass ihr Abstand zum Hüftgelenk eines Benutzers weniger als 0,2m und der Abstand (a) zueinander zwischen 0,1m und 0,5m beträgt.Chair according to claim 5, characterized in that two ball joints (23, 24) are arranged symmetrically to the median plane of the chair such that their distance to the hip joint of a user less than 0.2m and the distance (a) to each other between 0.1m and 0th , 5m. Stuhl nach Anspruch 6, dadurch gekennzeichnet, dass die Sitzfläche (10) im Bereich des dritten und vierten Kugelgelenks (25, 26) und/oder die Rückenlehne (11) im Bereich des ersten und zweiten Kugelgelenks (23, 24relativ zu den Tragarmen (20, 21) verschiebbar gehaltert ist.Chair according to claim 6, characterized in that the seat surface (10) in the region of the third and fourth ball joint (25, 26) and / or the backrest (11) in the region of the first and second ball joint (23, 24 relative to the support arms (20 , 21) is held displaceably. Stuhl nach Anspruch 6, dadurch gekennzeichnet, dass die Rückenlehne (11) um das erste und zweite Kugelgelenk (23, 24) schwenkbar ist und die Rückenlehne und die Sitzfläche (10) derart miteinander gekoppelt sind, das ein Schwenken der Rückenlehne nach hinten ein Anheben der Sitzfläche relativ zu den Tragarmen (20, 21) bewirkt.Chair according to claim 6, characterized in that the backrest (11) about the first and second ball joint (23, 24) is pivotable and the backrest and the seat surface (10) are coupled together in such a way that pivoting the backrest to the rear lifting the seat surface relative to the support arms (20, 21) causes. Stuhl nach den Ansprüchen 2 und 3, dadurch gekennzeichnet, dass der Sitz (1) lediglich im vorderen Bereich seiner Sitzfläche (10) mit der Sitzmechanik (2) verbunden ist.Chair according to claims 2 and 3, characterized in that the seat (1) only in the front region of its seat surface (10) is connected to the seat mechanism (2). Stuhl nach Anspruch 10, dadurch gekennzeichnet, dass für die Relativbewegung von Rückenlehne (11) und Sitzfläche (10) zwei unabhängig voneinander abgefederte Biege- oder Schwenkzonen zwischen Rückenlehne und Sitzfläche vorgesehen sind.Chair according to claim 10, characterized in that for the relative movement of the backrest (11) and the seat surface (10) two independently sprung bending or pivoting zones between the backrest and seat are provided. Stuhl nach Anspruch 2, dadurch gekennzeichnet, dass die Sitzfläche (10) schwenkbeweglich an einem Basisträger (3) und die Rückenlehne (11) schwenkbeweglich an der Sitzfläche (10) gehaltert sind und zwischen Basisträger und Sitzfläche ein erstes Federsystem (27) und zwischen Sitzfläche und Rückenlehne ein zweites Federsystem (28) vorgesehen sind.Chair according to claim 2, characterized in that the seat surface (10) is pivotally mounted on a base support (3) and the backrest (11) pivotally mounted on the seat surface (10) and between the base support and seat a first spring system (27) and between the seat surface and backrest a second spring system (28) are provided. Stuhl nach Anspruch 12, dadurch gekennzeichnet, dass Mittel zur Verstellung des Federverhaltens beider Federsysteme (27, 28) vorgesehen sind, um die Schwenkbeweglichkeit der Sitzfläche (1=) bezüglich dem Basisträger (3) bzw. die Schwenkbeweglichkeit der Rückenlehne (11) bezüglich der Sitzfläche (10) an unterschiedliche Anforderungen, insbesondere unterschiedlich schwere Benutzer, anpassen zu können.Chair according to claim 12, characterized in that means for adjusting the spring behavior of both spring systems (27, 28) are provided to the pivoting movement of the seat surface (1 =) with respect to the base support (3) or the pivoting movement of the backrest (11) with respect to Seat (10) to meet different requirements, especially different heavy users to adapt. Stuhl nach Anspruch 2, dadurch gekennzeichnet, dass die Sitzmechanik (2) so ausgebildet ist, dass sie eine mechanische Synchronisierung von Sitzflächen- und Rückenlehnenneigung bewirkt.Chair according to claim 2, characterized in that the seat mechanism (2) is formed so that it causes a mechanical synchronization of Sitzflächen- and backrest tilt. Stuhl nach Anspruch 2, dadurch gekennzeichnet, dass Sitzfläche (10) und Rückenlehne (11) einstückig ausgebildet sind, wobei die rechte und linke Seite des Sitzes relativ zueinander bewegbar sind.Chair according to claim 2, characterized in that seat surface (10) and backrest (11) are integrally formed, wherein the right and left side of the seat are movable relative to each other. Stuhl nach Anspruch 2, dadurch gekennzeichnet, dass die Sitzfläche (10) schwenkbeweglich um eine erste Gelenkachse (29) an einem Basisträger (3) und die Rückenlehne (11) schwenkbeweglich um eine zweite Gelenkachse (30) an der Sitzfläche (10) gehaltert sind, wobei die beiden Gelenkachsen (29, 30) relativ zueinander verschiebbar angeordnet sind.A chair according to claim 2, characterized in that the seat surface (10) is pivotally mounted about a first hinge axis (29) on a base support (3) and the seat back (11) is pivotally mounted about a second hinge axis (30) on the seat surface (10) , wherein the two hinge axes (29, 30) are arranged displaceable relative to each other.
EP07121220A 2002-09-12 2007-11-21 Chair Active EP1946676B1 (en)

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DE202007018357U DE202007018357U1 (en) 2002-09-12 2007-11-21 chair
PL07121220T PL1946676T3 (en) 2002-09-12 2007-11-21 Chair

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US10/241,955 US6869142B2 (en) 2002-09-12 2002-09-12 Seating unit having motion control
US10/455,503 US7165811B2 (en) 2002-09-12 2003-06-05 Control mechanism for seating unit
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
DE102007002284A DE102007002284A1 (en) 2002-09-12 2007-01-16 chair

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EP1946676B1 EP1946676B1 (en) 2011-03-09

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EP03754456.6A Expired - Lifetime EP1578230B1 (en) 2002-09-12 2003-09-08 Seating unit
EP20100075629 Withdrawn EP2305071A3 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
EP04253350.5A Expired - Lifetime EP1483986B1 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
EP10075632.9A Expired - Lifetime EP2305072B1 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
EP20040754388 Withdrawn EP1628554A2 (en) 2002-09-12 2004-06-04 Seating with comfort surface
EP20100075631 Expired - Lifetime EP2314179B1 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
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EP20100075629 Withdrawn EP2305071A3 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
EP04253350.5A Expired - Lifetime EP1483986B1 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
EP10075632.9A Expired - Lifetime EP2305072B1 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit
EP20040754388 Withdrawn EP1628554A2 (en) 2002-09-12 2004-06-04 Seating with comfort surface
EP20100075631 Expired - Lifetime EP2314179B1 (en) 2002-09-12 2004-06-04 Combined tension and back stop function for seating unit

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EP (7) EP1578230B1 (en)
JP (2) JP4562532B2 (en)
KR (1) KR100779809B1 (en)
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009009612U1 (en) 2009-07-14 2009-10-01 Wilkhahn Wilkening + Hahne Gmbh & Co. Kg chair
DE202010008739U1 (en) 2010-10-06 2011-11-10 Wilkhahn Wilkening + Hahne Gmbh + Co. Kg seat
DE102011105290A1 (en) 2010-06-15 2011-12-15 Claudia Plikat "Chair"
EP2508102A1 (en) * 2011-04-05 2012-10-10 Wilkhahn Wilkening + Hahne GmbH + Co. KG Chair
EP2520199A1 (en) 2011-05-04 2012-11-07 Eckhard Hansen Seating
WO2012167940A1 (en) * 2011-06-08 2012-12-13 Haworth, Inc. Seat, in particular an office chair
WO2014059553A1 (en) 2012-10-18 2014-04-24 Vitra Patente Ag Seat with relative synchronous displacement between back incline and seat incline
USD703457S1 (en) 2013-06-07 2014-04-29 Herman Miller, Inc. Chair
EP2921080A1 (en) * 2014-03-19 2015-09-23 Wilkhahn Wilkening + Hahne GmbH + Co. KG Chair
US9211014B2 (en) 2011-12-08 2015-12-15 Herman Miller, Inc. Composite body support member and methods for the manufacture and recycling thereof
US9486081B2 (en) 2011-05-06 2016-11-08 Haworth, Inc. Item of seating furniture, in particular office chair
US9913539B2 (en) 2013-03-15 2018-03-13 Haworth, Inc. Office chair
US10182657B2 (en) 2016-02-12 2019-01-22 Haworth, Inc. Back support for a chair

Families Citing this family (201)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6880886B2 (en) * 2002-09-12 2005-04-19 Steelcase Development Corporation Combined tension and back stop function for seating unit
US7048335B2 (en) * 2003-06-05 2006-05-23 Steelcase Development Corporation Seating unit with crossbar seat support
US6957862B2 (en) * 2003-10-09 2005-10-25 Su-Ming Chen Chair with a seat-inclination adjusting device
WO2005041719A2 (en) 2003-10-23 2005-05-12 Herman Miller, Inc. Pixelated support structures and elements
US7987614B2 (en) * 2004-04-12 2011-08-02 Erickson Robert W Restraining device for reducing warp in lumber during drying
DE202004010625U1 (en) * 2004-07-06 2004-11-04 Eysing, Volker Wilhelm Office chair has flexible backrest consisting of horizontal plastic air-filled slats within a surrounding sleeve
CA2572396C (en) 2004-07-08 2011-09-06 Knoll, Inc. Office chair
WO2006094257A2 (en) * 2005-03-01 2006-09-08 Haworth, Inc. Tension adjustment mechanism for a chair
CA2600310C (en) * 2005-03-01 2014-07-08 Haworth, Inc. Tilt control mechanism for a chair
ITMI20050116U1 (en) * 2005-04-06 2006-10-07 Donati Spa SYNCHRONIZATION MECHANISM FOR CHAIRS OR ARMCHAIRS
ITMI20050751A1 (en) 2005-04-27 2006-10-28 Donati Spa MECHANISM OF ADJUSTMENT OF THE INCLINATION OF BACKRESTS IN OFFICE CHAIRS AND POLTEONS
US7222868B2 (en) * 2005-06-01 2007-05-29 Steelcase Development Corporation Seating unit with wheelchair base
US7857390B2 (en) * 2006-03-24 2010-12-28 Herman Miller, Inc. Piece of furniture
US7543893B2 (en) 2006-04-14 2009-06-09 La-Z-Boy Incorporated Rocking reclining chair
WO2007127937A2 (en) * 2006-04-28 2007-11-08 Steelcase Development Corporation Seat suspension and method of manufacture
US7740321B2 (en) 2006-05-12 2010-06-22 Herman Miller, Inc. Suspended pixelated seating structure
US7410216B2 (en) * 2006-06-08 2008-08-12 Haworth, Inc. Tension adjustment mechanism for a chair
CA2665176C (en) * 2006-10-04 2016-01-19 Formway Furniture Limited A back portion for a chair with a moveable upper section
DE202006018268U1 (en) * 2006-12-04 2007-02-08 Sato Office Gmbh Seat for office chair, has connecting device comprising rod units that are attached in pivotable and linearly movable manner at seat plate, where rod units are pivotably connected with bent extension of rear sided connecting lever
BRPI0823267A2 (en) 2007-01-29 2013-09-24 Miller Herman Inc seat structure and methods for using it
US7695067B2 (en) * 2007-03-02 2010-04-13 Goetz Mark W Ergonomic adjustable chair
CN101801241B (en) 2007-03-13 2013-06-05 Hni技术公司 Dynamic chair back lumbar support system
ITMI20070718A1 (en) * 2007-04-06 2008-10-07 L & P Property Management Co ADJUSTMENT DEVICE FOR ADJUSTABLE AND SIMILAR CHAIRS.
ITMI20070719A1 (en) * 2007-04-06 2008-10-07 L & P Property Management Co TILTING DEVICE FOR A RECLINING SEAT.
US7604298B2 (en) 2007-06-01 2009-10-20 Steelcase Development Corporation Chair back attachment and method of assembly
EP2200479B1 (en) * 2007-09-20 2015-06-17 Herman Miller, Inc. Body support structure
US7841662B2 (en) * 2007-11-07 2010-11-30 L&P Swiss Holding Company Support assembly and corresponding seat structure
US8840186B2 (en) * 2007-11-07 2014-09-23 L&P Swiss Holding Ag Support assembly and corresponding seat structure
DE102007059984B4 (en) * 2007-12-11 2014-05-15 Sedus Stoll Ag Office chair with tilting backrest and means for tilting the backrest
JP5088123B2 (en) * 2007-12-14 2012-12-05 トヨタ紡織株式会社 Cushion spring latch structure
USD604535S1 (en) 2008-04-09 2009-11-24 Formway Furniture Limited Chair
USD600051S1 (en) 2008-04-09 2009-09-15 Formway Furniture Limited Chair back
TWM340761U (en) * 2008-04-11 2008-09-21 zheng-hong Lin Mesh chair frame, and its assembly structure
WO2009134451A1 (en) 2008-05-02 2009-11-05 Haworth, Inc. Tension mechanism for a weight-responsive chair
JP5521206B2 (en) * 2008-05-09 2014-06-11 コクヨ株式会社 Chair backrest
US20100133893A1 (en) * 2008-05-23 2010-06-03 William Raftery Chair having elastic bands for support surfaces and device for securing the bands to the chair
AU2009258164A1 (en) 2008-05-26 2009-12-17 Steelcase Inc. Conforming back for a seating unit
JP5462869B2 (en) 2008-06-04 2014-04-02 ハーマン、ミラー、インコーポレイテッド Suspension seat
US8172324B2 (en) * 2008-06-06 2012-05-08 Knoll, Inc. Preference control mechanism
US7568768B1 (en) * 2008-07-15 2009-08-04 Chueng Shine Co., Ltd. Chair having elastic cords
EP2344008B1 (en) * 2008-07-25 2013-02-13 Herman Miller, Inc. Multi-layered support structure
US7568769B1 (en) * 2008-09-03 2009-08-04 Teng-Fu Chuang Elastic support assembly for chair
JP5552491B2 (en) 2008-12-12 2014-07-16 フォームウェイ ファーニチャー リミテッド Chairs, supports and components
CA131020S (en) 2008-12-12 2010-02-03 Formway Furniture Ltd Chair
IT1395525B1 (en) * 2009-09-03 2012-09-28 Arper Spa SEAT ELEMENT
ES2363706T1 (en) * 2009-09-16 2011-08-12 Haworth Gmbh MECHANICAL SEAT UNIT FOR SEAT FURNITURE, IN PARTICULAR ROTATING CHAIR OF OFFICE.
US8944507B2 (en) * 2009-10-13 2015-02-03 Herman Miller, Inc. Ergonomic adjustable chair mechanisms
JP5514509B2 (en) * 2009-10-26 2014-06-04 株式会社イトーキ Rocking chair
US8505186B2 (en) 2009-11-03 2013-08-13 Knoll, Inc. Method of fabricating a chair
WO2011106774A2 (en) * 2010-02-26 2011-09-01 Zero1, Llc Chair with collapsible seat back
BR112012028026A2 (en) 2010-05-05 2017-03-28 Eberhard Von Huene & Ass Inc removable and removable wall panel system
US8632130B2 (en) * 2010-05-13 2014-01-21 L & P Property Management Company Chair-specific adjustment device
USD659417S1 (en) * 2010-06-04 2012-05-15 Herman Miller, Inc. Chair and components thereof
US8474909B2 (en) 2010-09-21 2013-07-02 La-Z-Boy Incorporated Power lift lumbar support system
US8439441B2 (en) 2010-09-29 2013-05-14 Lear Corporation Adjustable lumbar assembly for vehicle seats
CN103097182B (en) * 2010-10-01 2016-07-06 日产自动车株式会社 Vehicle seat used and vehicle seat used rigidity establishing method
US20130207427A1 (en) * 2010-10-19 2013-08-15 Okamura Corporation Chair with armrest
DE102010042846A1 (en) * 2010-10-25 2012-04-26 Dauphin Entwicklungs- U. Beteiligungs-Gmbh backrest
US8662585B2 (en) * 2011-06-30 2014-03-04 Industrial Smoke & Mirrors, Inc. Motion seat
US8567864B2 (en) 2011-08-12 2013-10-29 Hni Corporation Flexible back support member with integrated recline stop notches
CN102362741B (en) * 2011-10-13 2014-03-26 陈育 Structure for connecting backrest and headrest of chair
US9565946B1 (en) * 2012-02-01 2017-02-14 Jeffrey Watton Park bench
JP2013183747A (en) * 2012-03-05 2013-09-19 Kokuyo Furniture Co Ltd Chair
US9925101B2 (en) * 2012-03-08 2018-03-27 Limbic Life Ag Balance bed
US9198514B2 (en) 2012-05-23 2015-12-01 Hni Technologies Inc. Chair with pivot function and method of making
USD707995S1 (en) * 2012-05-23 2014-07-01 Hni Technologies Inc. Chair
DE102012107778B4 (en) 2012-08-23 2018-08-16 Haworth Gmbh Chair, especially office chair
US8820835B2 (en) 2012-08-29 2014-09-02 Hni Technologies Inc. Resilient chair incorporating multiple flex zones
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
USD699958S1 (en) 2012-09-20 2014-02-25 Steelcase Inc. Chair
USD683151S1 (en) 2012-09-20 2013-05-28 Steelcase Inc. Chair
USD697730S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US20140077540A1 (en) * 2012-09-20 2014-03-20 Steelcase Inc. Chair Assembly
USD699959S1 (en) 2012-09-20 2014-02-25 Steelcase Inc. Chair
USD707976S1 (en) 2013-06-07 2014-07-01 Steelcase Inc. Chair
USD781605S1 (en) 2015-04-24 2017-03-21 Steelcase Inc. Chair
US9458905B2 (en) * 2012-09-20 2016-10-04 Steelcase Inc. Spring assembly and method
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
USD698165S1 (en) 2012-09-20 2014-01-28 Steelcase Inc. Chair
USD721529S1 (en) 2013-06-07 2015-01-27 Steelcase Inc. Handle apparatus
USD703987S1 (en) * 2013-06-07 2014-05-06 Steelcase Inc. Chair
USD706547S1 (en) 2013-06-07 2014-06-10 Steelcase Inc. Chair
US9661930B2 (en) 2012-09-21 2017-05-30 Steelcase Inc. Chair construction
JP5598557B2 (en) * 2013-01-10 2014-10-01 トヨタ自動車株式会社 Vehicle seat device
CN103054366A (en) * 2013-02-02 2013-04-24 谭干荣 Seat
US9332851B2 (en) 2013-03-15 2016-05-10 Hni Technologies Inc. Chair with activated back flex
USD743712S1 (en) 2013-03-15 2015-11-24 Herman Miller, Inc. Chair
US10172475B2 (en) * 2013-04-02 2019-01-08 B/E Aerospace, Inc. Method of determining optimal seat surface contours and seat having an optimized seat surface contour
DE102013208178B4 (en) 2013-05-03 2015-04-02 Phoenix Design Gmbh + Co. Kg Chair with seat mechanism
US9204726B2 (en) * 2013-05-24 2015-12-08 Chin Jwu Enterprise Co., Ltd. Foldable chair
USD704487S1 (en) 2013-06-07 2014-05-13 Steelcase Inc. Chair
USD703988S1 (en) * 2013-06-07 2014-05-06 Steelcase Inc. Chair
MY187897A (en) * 2013-06-12 2021-10-27 Stefan Brodbeck Chair
USD696545S1 (en) 2013-07-30 2013-12-31 Steelcase, Inc. Rear surface of a chair back
CN103462397B (en) * 2013-08-23 2015-12-30 大康控股集团有限公司 A kind of Portable swivel chair
JP6225650B2 (en) * 2013-11-12 2017-11-08 コクヨ株式会社 Chair
TWM483731U (en) * 2013-12-31 2014-08-11 Yong-Hua Chen Office chair
US9462889B2 (en) * 2014-02-13 2016-10-11 Pro-Cord S.P.A. Chair with a seat and backrest movable in a synchronized way
US9380879B2 (en) 2014-02-24 2016-07-05 Knoll, Inc. Chair back swivel mechanism
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
CN106455821A (en) 2014-04-17 2017-02-22 Hni技术公司 Chair and chair control assemblies, systems, and methods
WO2015160693A1 (en) 2014-04-17 2015-10-22 Hni Technologies Inc. Flex lumbar support
CN106488726B (en) * 2014-04-24 2019-11-01 阿希礼家具工业公司 Drop-down seat board for furniture assembly
WO2015172062A1 (en) * 2014-05-08 2015-11-12 World Class Prototypes, Inc. Flexible substrate assembly and associated furniture using the same
WO2015183732A1 (en) * 2014-05-27 2015-12-03 Johnson Controls Technology Company Seat system
US10368645B2 (en) 2014-06-05 2019-08-06 Okamura Corporation Chair and backrest for chair
WO2015187037A1 (en) * 2014-06-06 2015-12-10 Zwaan Francis Paul A shock mitigation apparatus
JP6098576B2 (en) * 2014-06-20 2017-03-22 トヨタ自動車株式会社 Vehicle seat
US9167902B1 (en) * 2014-07-01 2015-10-27 Yung-hua Chen One-piece office chair in three dimensions
GB201412733D0 (en) * 2014-07-17 2014-09-03 Boss Design Ltd Chair
USD743180S1 (en) 2014-10-15 2015-11-17 Hni Technologies Inc. Chair
US9801470B2 (en) 2014-10-15 2017-10-31 Hni Technologies Inc. Molded chair with integrated support and method of making same
US9560917B2 (en) 2014-11-26 2017-02-07 Steelcase Inc. Recline adjustment system for chair
CN104433459A (en) * 2014-12-09 2015-03-25 成都卓青科技有限公司 Chair
US10407174B2 (en) * 2014-12-31 2019-09-10 ST Engineering Aerospace Ltd. Seat suspension installation method and passenger seat
US9861203B2 (en) * 2015-03-05 2018-01-09 A-Dec, Inc. Seat assembly for task-oriented seating
US9398811B1 (en) * 2015-03-18 2016-07-26 Krueger International, Inc. Lounge chair
US9629465B2 (en) * 2015-03-18 2017-04-25 Krueger International, Inc. Lounge chair
USD802951S1 (en) 2016-04-12 2017-11-21 Steelcase Inc. Chair
USD802952S1 (en) 2016-04-12 2017-11-21 Steelcase Inc. Chair
USD808187S1 (en) 2016-04-12 2018-01-23 Steelcase Inc. Seating shell
AU2016247797B2 (en) 2015-04-13 2019-08-01 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
USD804841S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804840S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804875S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804876S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804209S1 (en) 2016-04-12 2017-12-05 Steelcase Inc. Chair
USD821793S1 (en) 2016-04-12 2018-07-03 Steelcase Inc. Seating shell
USD804839S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
US10966527B2 (en) 2017-06-09 2021-04-06 Steelcase Inc. Seating arrangement and method of construction
USD758774S1 (en) 2015-04-24 2016-06-14 Steelcase Inc. Headrest assembly
USD760526S1 (en) 2015-04-24 2016-07-05 Steelcase Inc. Headrest assembly
USD781604S1 (en) 2015-04-24 2017-03-21 Steelcase Inc. Chair
USD759415S1 (en) 2015-04-24 2016-06-21 Steelcase Inc. Headrest
US9585485B2 (en) 2015-05-15 2017-03-07 Knoll, Inc. Seating device having a tilt mechanism
US9883748B2 (en) 2015-05-15 2018-02-06 Knoll, Inc. Training device for a seating device and method of using the same
USD777494S1 (en) 2015-05-22 2017-01-31 Davis Furniture Industries, Inc. Chair frame
US9848709B2 (en) * 2015-06-04 2017-12-26 Donald J. Molenda Multi layered modular support system for lounge and other applications
US9713381B2 (en) 2015-06-11 2017-07-25 Davis Furniture Industries, Inc. Chair
KR101663969B1 (en) * 2015-09-25 2016-10-11 주식회사 서연이화 Vehicle Seat Equipped with Mesh-type String Elements
CN106880204A (en) * 2015-12-16 2017-06-23 有限会社爱琳彩 Radial type chair
CN106889799B (en) * 2015-12-19 2023-08-11 永艺家具股份有限公司 Swivel chair tray
USD784749S1 (en) 2016-02-12 2017-04-25 Haworth, Inc. Lumbar support for a chair
USD779250S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Portion of a back support for a chair
USD779254S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Armrests for a chair
USD782859S1 (en) 2016-02-12 2017-04-04 Haworth, Inc. Back support for a chair
USD779251S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Lumbar support for a chair
USD779252S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Back support for a chair
USD779253S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Back support for a chair
USD793787S1 (en) 2016-02-12 2017-08-08 Haworth, Inc. Portion of a back support for a chair
USD782241S1 (en) 2016-02-12 2017-03-28 Haworth, Inc. Back support for a chair
USD779255S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Headrest for a chair
USD779248S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Armrests for a chair
CN205457415U (en) * 2016-03-11 2016-08-17 浙江永强集团股份有限公司 Chair
DE102016104638A1 (en) * 2016-03-14 2017-09-14 Burkhard Schmitz chair
USD932203S1 (en) 2016-04-12 2021-10-05 Steelcase Inc. Seating arrangement
US10426267B2 (en) 2016-09-09 2019-10-01 Steelcase Inc. Office systems with shape memory materials
USD854914S1 (en) * 2017-03-16 2019-07-30 Topstar Gmbh Articulated joint for a chair
USD804836S1 (en) 2016-09-16 2017-12-12 Francesco Lieberman Canopy swing chair
US10219627B2 (en) 2016-09-29 2019-03-05 Steelcase Inc. Compliant seating structure
EP3560386B1 (en) * 2016-12-21 2023-03-22 Kokuyo Co., Ltd. Chair
CN106724517A (en) * 2017-01-16 2017-05-31 南京信息工程大学 Lain on a kind of bed pillow
DE202017100480U1 (en) 2017-01-30 2018-05-03 Armin Sander Seating furniture, in particular office chair
CN110430787B (en) * 2017-02-03 2023-09-12 浙江圣奥家具制造有限公司 Chair
USD827352S1 (en) 2017-05-25 2018-09-04 Steelcase Inc. Seating arrangement
US10799028B2 (en) 2017-08-10 2020-10-13 NHI Corporation Chairs including flexible frames
CN107692625A (en) * 2017-10-30 2018-02-16 安徽乐金健康科技股份有限公司 Chair backrest structure and Saunas seat
CN107647980A (en) * 2017-10-31 2018-02-02 依纳博(天津)智能科技发展有限公司 A kind of ventilation mattress wheelchair
US10813463B2 (en) 2017-12-05 2020-10-27 Steelcase Inc. Compliant backrest
US11291305B2 (en) 2017-12-05 2022-04-05 Steelcase Inc. Compliant backrest
DE202018100450U1 (en) * 2018-01-26 2019-04-29 König + Neurath AG Seating furniture, in particular office chair
US11006754B2 (en) 2018-04-12 2021-05-18 American Leather Operations, Llc Motion chair
WO2019204714A1 (en) * 2018-04-19 2019-10-24 Cramer Llc Chair having pliable backrest and methods for same
NL2021000B1 (en) * 2018-05-29 2019-12-04 Hans Voorwinde Beheer B V Device for supporting people
US10532675B2 (en) 2018-05-31 2020-01-14 GM Global Technology Operations LLC Vehicle seat trim cover with integrally knitted attachment features
US10808336B2 (en) 2018-05-31 2020-10-20 GM Global Technology Operations LLC Vehicle seat trim covers with knitted attachment structures formed with heat-activated yarns
US11083301B2 (en) 2018-06-01 2021-08-10 Steelcase Inc. Seating arrangement
USD898496S1 (en) * 2018-06-11 2020-10-13 Exemplis Llc Chair
CN108741857B (en) * 2018-07-02 2023-09-19 佛山职业技术学院 Fully-adjustable backrest chair
US10843600B2 (en) 2018-07-12 2020-11-24 GM Global Technology Operations LLC Vehicle seat trim covers including integrally-knit backing materials and methods of manufacturing vehicle seat trim covers
US10820703B2 (en) * 2018-09-17 2020-11-03 Sedus Stoll Ag Chair, particularly conference or office chair, and method for manufacturing a chair
DE112019005350T5 (en) * 2018-10-25 2021-07-08 Illinois Tool Works Inc. SUSPENSION SUBSTANCE WITH COMPRESSION LIMITERS
JP7099933B2 (en) * 2018-11-01 2022-07-12 トヨタ自動車株式会社 Vehicle seats
US10952535B2 (en) 2018-11-05 2021-03-23 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11324324B2 (en) 2018-11-05 2022-05-10 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11672348B2 (en) 2018-11-05 2023-06-13 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
EP3927215A4 (en) 2019-02-21 2023-03-15 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
CN110584361B (en) * 2019-08-27 2022-04-26 华中科技大学 Device capable of collecting kinetic energy of human body and assisting human body to sit down
US11324323B2 (en) 2019-09-18 2022-05-10 Steelcase Inc. Body support member with lattice structure
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
DE102020101033A1 (en) 2020-01-17 2021-07-22 Bock 1 Gmbh & Co. Kg Carrier for a chair
US11690457B2 (en) * 2020-02-04 2023-07-04 Hni Technologies Inc. Chair with flexible internal support
US11051624B1 (en) * 2020-02-27 2021-07-06 Comfordy Co., Ltd. Twistable chair backrest frame
WO2021178206A1 (en) 2020-03-02 2021-09-10 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US20210298486A1 (en) * 2020-03-25 2021-09-30 L&P Property Management Company Pocketed Spring Assembly
CN213605400U (en) * 2020-08-07 2021-07-06 浙江圣奥家具制造有限公司 Rocking structure of seat backrest
US11812870B2 (en) 2021-02-10 2023-11-14 Steelcase Inc. Body support structure
CN115336882A (en) * 2022-02-10 2022-11-15 王建武 Cushion supporting structure and cushion thereof
DE102022128794A1 (en) 2022-10-29 2024-05-02 Comfordy Co., Ltd. Synchronization device of a chair backrest

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5713632A (en) 1997-01-03 1998-02-03 Su; Ching-Chuan Swivel chair having a body-fit structure
JPH10151033A (en) 1996-09-30 1998-06-09 Mikio Fukunaga Chair
EP1051931B1 (en) 1999-05-14 2003-10-15 Löffler Bürositzmöbel GmbH Seat bearing with synchronised mechanism
US20040195882A1 (en) 2001-06-14 2004-10-07 Adam White Seats
JP2006218191A (en) * 2005-02-14 2006-08-24 Itoki Corp Chair and auxiliary seat pad of the same
WO2006107214A1 (en) * 2005-04-08 2006-10-12 Peter Opsvik As Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body.

Family Cites Families (274)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US54737A (en) 1866-05-15 Improved bed-bottom
US223385A (en) 1880-01-06 Bed-bottom
US198892A (en) 1878-01-01 Improvement in bed-bottoms
US175161A (en) 1876-03-21 Improvement in chair-bottoms
US160809A (en) 1875-03-16 Improvement in spring bed-bottoms
USRE24964E (en) 1961-04-11 Furniture frame construction
US609389A (en) 1898-08-16 Chair
US389292A (en) 1888-09-11 flohr
US312775A (en) 1885-02-24 Spring-seat
US83001A (en) 1868-10-13 Improved bed-bottom
US84184A (en) 1868-11-17 Improvement in cultivators
US144349A (en) 1873-11-04 Improvement in chairs
US87644A (en) 1869-03-09 Leo daft
BE572539A (en)
US398179A (en) 1889-02-19 parry
US820864A (en) 1905-04-01 1906-05-15 James E Hanger Chair.
US995277A (en) 1910-11-11 1911-06-13 Fred Barrow Springwork.
US1009417A (en) 1911-06-10 1911-11-21 Joseph R John Barber's head-rest.
US1182854A (en) 1915-05-10 1916-05-09 Albert J Coe Flexible back adjustment for chairs.
GB149246A (en) 1917-09-13 1921-04-21 Karl Koller Improvements in or relating to bedsteads
FR487420A (en) 1917-11-05 1918-07-03 John Lassell Device for propelling and steering ships by suction generated by means of steam ejectors
US1513726A (en) 1923-11-13 1924-10-28 Lamplugh Henry Arthur Seat
CH142693A (en) * 1929-05-31 1930-10-15 Baerwinkel Moritz Spring for upholstered seats.
DE515803C (en) 1929-06-27 1931-01-12 Holztechnische Unternehmung Mo Spring base for beds
US1930867A (en) 1931-12-01 1933-10-17 West Robert Chair head rest
US1974948A (en) 1933-01-20 1934-09-25 American Mfg Co Chair
FR767099A (en) * 1933-01-31 1934-07-09 Elastic bottom for furniture
US1964424A (en) 1933-10-03 1934-06-26 Ralph A Borah Automobile seat
US2087254A (en) * 1935-05-16 1937-07-20 Bassick Co Tilting mechanism for chairs
GB483047A (en) 1935-10-11 1938-04-07 Victor Vanhaegenborgh Improvements relating to resilient supporting-surfaces for the upholstery of chairs
US2156664A (en) * 1936-11-20 1939-05-02 Jr Thomas J Litle Resilient cushion for beds, chairs, or the like
GB487420A (en) * 1937-01-09 1938-06-21 Humber Ltd Seat backs
FR883637A (en) * 1939-11-09 1943-07-09 Elastic wooden base
US2316628A (en) * 1942-05-16 1943-04-13 Kroehler Mfg Co Laminated flexwood spring for chair seats
US2371777A (en) 1943-02-13 1945-03-20 Retter Rudolf Elastic bed bottom
FR54852E (en) 1943-07-08 1950-12-07 Flexibility double effect ash wood slat for chair or armchair seat
US2586433A (en) 1946-03-26 1952-02-19 Wingfoot Corp Seat
US2471024A (en) 1946-10-04 1949-05-24 Roy A Cramer Chair with tilting back and automatically shiftable seat
GB640883A (en) 1948-09-27 1950-08-02 Len Ltd Improvements in or relating to the construction of seats and the like
DE834587C (en) * 1950-05-05 1952-03-20 Gustav Kuehn Spring-loaded wooden slatted floor for seating and reclining furniture
US2731076A (en) 1952-02-25 1956-01-17 David L Rowland Furniture seating
US2711211A (en) * 1952-04-16 1955-06-21 Tan Sad Chair Co 1931 Ltd Resiliently mounted back rest
US2803290A (en) 1952-11-18 1957-08-20 Gen Motors Corp Seat mechanism
US2701607A (en) 1953-03-04 1955-02-08 Alexis D Andreef Chair with corded seat and back
US2803293A (en) 1953-10-12 1957-08-20 David L Rowland Spring assembly
US2818911A (en) 1954-11-05 1958-01-07 Trumbull Dev Corp Tiltable office chair
US2936823A (en) 1957-12-16 1960-05-17 Universal Inc Seating construction
US3035828A (en) * 1958-08-04 1962-05-22 Stubnitz Greene Corp Spring element for seating structure
US3039763A (en) 1958-11-26 1962-06-19 Saginaw Wire Products Inc Spring structures, particularly for vehicle seats and backs
US3021176A (en) 1958-11-26 1962-02-13 Ames Company O Furniture construction
US2995182A (en) 1959-05-05 1961-08-08 Heywood Wakefield Co Chair
US3046005A (en) 1959-07-13 1962-07-24 Solomon B Raduns Aluminum tubular furniture and methods of making the backs and seats thereof
US3044831A (en) * 1959-10-29 1962-07-17 Hoover Ball & Bearing Co Wire spring structure
US3117775A (en) * 1961-07-26 1964-01-14 Hamilton Cosco Inc Slat for an article of furniture
US3107944A (en) * 1961-09-14 1963-10-22 Prestige Furniture Corp Seat construction for articles of furniture
NL285858A (en) 1961-12-01 1965-02-10 Degen Hugo
US3175269A (en) * 1962-09-26 1965-03-30 Scroll Inc Strap end grip
US3114578A (en) * 1962-09-27 1963-12-17 Hamilton Cosco Inc Back rest
US3175629A (en) * 1962-11-01 1965-03-30 Jersey Prod Res Co Jet bit
US3175664A (en) * 1962-11-02 1965-03-30 Caterpillar Tractor Co Separators for clutch discs
US3117774A (en) 1962-11-26 1964-01-14 Flex O Lators Spring deck for upholstered furniture
US3179469A (en) * 1963-03-18 1965-04-20 Acushnet Process Company Elastomer furniture support
US3241879A (en) 1963-06-10 1966-03-22 Ford Motor Co Spring seat structure
US3165308A (en) * 1963-06-11 1965-01-12 Alan E Rathbun Spring seat suspension
US3156461A (en) 1963-06-14 1964-11-10 Stubuitz Greene Corp Terminal connections for linear spring elements
US3189314A (en) 1963-11-26 1965-06-15 Ferro Stamping Co Vehicle seat
CA784519A (en) 1964-10-22 1968-05-07 Platner Warren Wire grid furniture frame
US3226159A (en) 1965-03-10 1965-12-28 Market Forge Company Head and neck rest for automobile seat backs
US3271076A (en) 1965-03-26 1966-09-06 Heywood Wakefield Co Seating construction
US3332719A (en) 1965-04-26 1967-07-25 Hyland C Flint Spring seat
CA806983A (en) 1965-07-23 1969-02-25 Dufton Ronald Chair tilting mechanism
US3307874A (en) 1966-02-23 1967-03-07 American Motors Corp Headrest
US3434756A (en) * 1967-04-17 1969-03-25 Cramer Ind Inc Chair with adjustable back and arm rests
US3497883A (en) 1967-12-27 1970-03-03 Flex O Lators Upholstery deck suspender
US3498672A (en) 1968-03-05 1970-03-03 L F Grammes & Sons Inc Vehicle headrest construction
US3511536A (en) 1968-08-28 1970-05-12 Tenryu Industries Bench
US3598444A (en) 1968-12-09 1971-08-10 Sarah H Seiter Body supporter
US3586366A (en) 1969-04-21 1971-06-22 American Safety Equip Inertia-responsive retractable head restraint device
US3610688A (en) 1969-08-01 1971-10-05 Flex O Lators Encapsulated cushion and spring deck assembly for seating structures
DE7004114U (en) 1970-02-06 1970-05-21 Kurz Gmbh FOLDABLE FURNITURE, IN PARTICULAR CHAIR OR LUNCH BED.
US3720568A (en) 1971-03-22 1973-03-13 D Rowland Seating and sub-assembly for seats and backs
US3709559A (en) 1971-03-22 1973-01-09 Rowland David L Furniture for seating people
US3744846A (en) 1971-09-16 1973-07-10 Flex O Lators Seating construction
US3934932A (en) 1971-10-28 1976-01-27 J.E. Ekornes Fabrikker A/S Adjustable chair
US3848926A (en) 1972-03-03 1974-11-19 Nhk Spring Co Ltd Occupant seat
US3762770A (en) 1972-09-05 1973-10-02 Gulf & Western Metals Forming Seat construction
US3888473A (en) 1973-01-26 1975-06-10 Hoover Ball & Bearing Co Seat spring assembly
US3858937A (en) 1973-05-18 1975-01-07 Arnold S Auto Upholstery Inc Dental chair and adjustable head support mechanism therefor
FR2253364A5 (en) * 1973-11-29 1975-06-27 Hurel Dubois Avions Motor car passenger seat adjuster - gives height and lateral adjustments and varying tilt of backrest
FR2301204A1 (en) * 1975-02-21 1976-09-17 Seaim Flexible mattress support strip for bed frame - has thick longitudinal edges and central upwards curve from ends mounted in bed frame
CA1059892A (en) * 1975-06-13 1979-08-07 Emilio Ambasz Chair
US4068888A (en) 1976-01-07 1978-01-17 Homecrest Industries, Inc. Recliner chair
SE393958B (en) 1976-02-19 1977-05-31 G E Gustafsson LOCKING DEVICE FOR LIMITABLY LOCKING TWO IN RELATION TO EACH OTHER MOVING PARTS AGAINST EACH OTHER, SPEC FOR LOCKING THE LENGTH MOVEMENT OF A CAR IN RELATION TO A CAR FLOOR
US4062590A (en) 1976-05-24 1977-12-13 Fixtures Manufacturing Corporation Chair structure
US4099775A (en) 1976-10-07 1978-07-11 Hoover Ball And Bearing Company Chair control with tilt lock
JPS5357620A (en) 1976-11-01 1978-05-25 Aisin Seiki Co Ltd Lumber support adjusting apparatus
US4192547A (en) 1977-01-12 1980-03-11 Geier James M Rocking chair frame
DE2709919A1 (en) 1977-03-08 1978-09-14 Hanhardt Kg Wohnmoebelwerke Timber framed bed or divan - has solid wooden slats suspended by short flat rubber belts to full length of frame
DE2733322C3 (en) 1977-07-23 1980-08-07 Protoned B.V., Amsterdam Work chair
US4155592A (en) * 1977-08-07 1979-05-22 Nissan Motor Co., Ltd. Seat back with adjustable lumbar supporter
US4126355A (en) 1977-11-28 1978-11-21 Thierry Rosenheck Chair with multi-positionable supporting elements
US4247089A (en) 1978-10-06 1981-01-27 Morley Furniture Spring Construction Spring construction
GB2045076B (en) 1979-03-21 1983-02-23 Uop Inc Load supporting frame in particular for the back rest of a vehicle seat
US4318556A (en) 1979-06-11 1982-03-09 Rowland David L Chair and seat-back unit therefor
DE2929428C2 (en) 1979-07-20 1983-10-20 Fa. Willibald Grammer, 8450 Amberg Seat, especially office chair
US4244622A (en) 1979-09-20 1981-01-13 Simpson Clifford G Hanging chair
DE3010122C2 (en) 1980-03-15 1985-05-15 Peter 8506 Langenzenn Forster Support for a person lying or sitting
US4375301A (en) 1980-05-01 1983-03-01 Steelcase Inc. Chair seat adjustment assembly
US4337931A (en) 1980-08-25 1982-07-06 Flex-O-Lators, Inc. Spring base for upholstered seating
EP0064541A4 (en) * 1980-11-17 1983-04-06 Tor Arild Suspension element for a chair.
US4586700A (en) 1981-01-26 1986-05-06 Morley Furniture Spring Corporation Modular seat spring assembly
US4366985A (en) 1981-02-13 1983-01-04 Pelton & Crane Adjustable headrest for treatment chair
US4478454A (en) 1981-06-08 1984-10-23 Steelcase Inc. Weight-actuated chair control
GB2100594B (en) 1981-07-03 1985-01-09 Tachikawa Spring Co Seat frame with an integrally built-in slide rail mechanism
US4415147A (en) 1981-10-09 1983-11-15 Simmons Universal Corporation Seating spring assembly and method
US4498702A (en) * 1982-06-11 1985-02-12 Steelcase Inc. Seating unit with front flex area
US4508383A (en) 1982-08-30 1985-04-02 Gaskins Karl S Resilient bladder type suspension system for a support structure such as a chair, bed, or the like
DE3361727D1 (en) * 1982-10-22 1986-02-13 Castelli Spa Chair having a back comprising a plurality of articulated segments
US4815717A (en) 1982-12-30 1989-03-28 Morley Furniture Spring Corporation Spring assembly for upholstered furniture
CH668891A5 (en) 1983-01-13 1989-02-15 Matra Ag SPRING BAR ARRANGEMENT FOR A BED FRAME.
CH652290A5 (en) * 1983-06-10 1985-11-15 Youngflex Sa SEAT.
DE3321187C2 (en) 1983-06-11 1985-08-14 Ford-Werke AG, 5000 Köln Actuating device for Bowden cables, in particular for heating and ventilation flaps in motor vehicles
US4653603A (en) 1983-08-25 1987-03-31 Gordon Rosenmeier Rotary fluid devices
DE3334424A1 (en) 1983-09-23 1985-04-11 Girsberger AG, Bützberg OPERATING MECHANISM FOR SEAT FURNITURE
US4545614A (en) 1984-02-09 1985-10-08 General Motors Corporation Thin elastomeric seat
FR2562002B1 (en) 1984-03-27 1986-08-22 Peugeot Cycles DEVICE FOR LOCALLY ADJUSTING THE TENSION OF AN ELASTIC SHEET AND ELASTIC SHEET, PARTICULARLY FOR A SEAT BACKREST, PROVIDED WITH SUCH A DEVICE
JPS60207614A (en) 1984-03-29 1985-10-19 株式会社タチエス Lamber support apparatus
US4595237A (en) 1984-05-11 1986-06-17 Haworth, Inc. Actuating control for seat height adjustment mechanism
JPH0681603B2 (en) 1984-06-22 1994-10-19 アイシン精機株式会社 Automotive seat cushion
DE3537203A1 (en) * 1984-10-24 1986-04-24 Klöber GmbH & Co, 7770 Überlingen Work chair with inclination mechanism for seat and back
US4621864A (en) 1984-12-13 1986-11-11 Milsco Manufacturing Company Tiltable arm rest assembly and mounting and operating means therefor
US4682817A (en) 1985-01-24 1987-07-28 Marquette Tool & Die Company Adjustable head restraint for vehicular seats
US4660884A (en) 1985-01-30 1987-04-28 Ikeda Bussan Co., Ltd. Reclining chair
JPS61249844A (en) 1985-04-27 1986-11-07 Ikeda Bussan Co Ltd Seat for vehicles
US4674792A (en) 1985-06-07 1987-06-23 Ikeda Bussan Co, Ltd. Position adjustable see-through headrest
FR2583361B1 (en) 1985-06-12 1987-09-04 Faure Bertrand IMPROVEMENTS ON ADJUSTABLE HEADRESTS AND IN SEATS EQUIPPED WITH SUCH HEADRESTS
DE3532419A1 (en) 1985-09-11 1987-03-19 Grammer Sitzsysteme Gmbh SLIDE RAIL GUIDE WITH LOCKING DEVICE FOR VEHICLE SEATS
US4614377A (en) 1985-10-02 1986-09-30 Luo Wun Thong Foldable lounge chair
US4858992A (en) 1985-10-07 1989-08-22 Lasota Larry Conformable seat
CH668541A5 (en) 1986-01-07 1989-01-13 Provenda Marketing Ag WORK CHAIR, ESPECIALLY FOR USE AS OFFICE CHAIR.
AT385406B (en) 1986-02-28 1988-03-25 Riedl Georg Slatted base
US4715587A (en) 1986-04-07 1987-12-29 Morley Furniture Spring Corporation Sinuous band and seat spring assembly
US4776633A (en) 1986-04-10 1988-10-11 Steelcase Inc. Integrated chair and control
US4720142A (en) 1986-04-10 1988-01-19 Steelcase Inc. Variable back stop
US5567012A (en) * 1986-04-10 1996-10-22 Steelcase, Inc. Chair control
NO160896C (en) 1986-05-09 1989-06-14 Jurek Buchacz ADJUSTABLE SEATING DEVICE.
FR2598988B1 (en) 1986-05-22 1988-09-09 Peugeot Cycles ADJUSTABLE HEADREST FOR MOTOR VEHICLE SEAT OR THE LIKE.
DE3632131C2 (en) * 1986-06-04 2001-12-13 Hartmut S Engel Functional seating
US4730871A (en) 1986-08-14 1988-03-15 Nepsco, Inc. Adjustable back rest
JPS6382602A (en) 1986-09-24 1988-04-13 ジロフレツクス エントヴイツクルンクス アクチエンゲゼルシヤフト Stand for chair
US4991243A (en) * 1986-10-29 1991-02-12 Rottermann Ag Radiation-permeable body support
US4718716A (en) 1986-12-03 1988-01-12 Herman Miller, Inc. Reclining chair
US4709963A (en) 1986-12-12 1987-12-01 Milsco Manufacturing Company Adjustable office chair
US4818021A (en) 1987-01-16 1989-04-04 Martin Roysher User variable chair
USD307526S (en) * 1987-02-09 1990-05-01 Mcintyre Jonothon M W Adjustable neck support for attachment to an automobile headrest
FR2620607B1 (en) 1987-09-22 1991-03-15 Strafor Sa ERGONOMIC SEAT
US4840426A (en) 1987-09-30 1989-06-20 Davis Furniture Industries, Inc. Office chair
NO168985C (en) 1987-10-19 1992-04-29 Ekornes Fabrikker As J E DEVICE AT CHAIR.
EP0339089B1 (en) 1987-10-24 1992-08-19 Kokuyo Co., Ltd. Reclining chair
US5026117A (en) * 1987-11-10 1991-06-25 Steelcase Inc. Controller for seating and the like
US4769864A (en) * 1987-11-13 1988-09-13 Park Ki D Therapeutic bed
US4796953A (en) * 1987-11-16 1989-01-10 Pereira Anthony S Automotive adjustable head & neck rest
US4935977A (en) 1988-01-27 1990-06-26 Yamada Co., Ltd. Leaf spring
IT1219016B (en) 1988-02-12 1990-04-24 Tis Tecnologia Innovazione Sti SPRING AND LATERAL CONTAINMENT ELEMENT FOR A SEAT AND OR BACK OF A SEAT AND SEAT IN CORPORATE SUCH ELEMENT
US5338094A (en) 1988-04-25 1994-08-16 Perry Charles O Flexible reclining chair
IT1219314B (en) 1988-05-18 1990-05-03 Pro Cord Srl CHAIR WITH OSCILLATING SEAT
US4889384A (en) 1988-07-10 1989-12-26 Leggett & Platt, Incorporated Knee-action chair control
DE3900220A1 (en) * 1989-01-05 1990-07-12 Wilkhahn Wilkening & Hahne CHAIR
US5106157A (en) 1989-03-01 1992-04-21 Herman Miller, Inc. Chair height and tilt adjustment mechanisms
US4906045A (en) 1989-03-20 1990-03-06 The Shaw-Walker Company Chair control for a pedestal chair having a knee-tilt seat
US4911501A (en) 1989-06-09 1990-03-27 Harter Corporation Suspension mechanism for connecting chair backs and seats to a pedestal
JPH03222907A (en) 1989-11-30 1991-10-01 Itoki Kosakusho Co Ltd Elastic force regulator of desk
DE59006985D1 (en) 1989-12-29 1994-10-06 Wilkhahn Wilkening & Hahne SYNCHRONOUS ADJUSTMENT FOR OFFICE CHAIRS OR THE LIKE.
US5029940A (en) 1990-01-16 1991-07-09 Westinghouse Electric Corporation Chair tilt and chair height control apparatus
DE9003589U1 (en) 1990-03-28 1991-07-25 Fritz Hansens Eft. A/S, Alleroed Seat mechanism
US5018787A (en) 1990-06-20 1991-05-28 Shepherd Products U.S. Inc. Chair seat tilt control
FR2663829A1 (en) * 1990-06-27 1992-01-03 De Gelis Alain BEDDING SUMMER.
US5056862A (en) 1990-07-03 1991-10-15 Action Industries, Inc. Recessed lever actuator for recliner mechanism
US5100201A (en) * 1990-09-21 1992-03-31 J.G. Furniture Systems Inc. Passive ergonomic work chair
US5058952A (en) 1990-11-29 1991-10-22 Lasota Laurence Conformable seat with pivotal belt support
US5269497A (en) * 1990-12-17 1993-12-14 Flexsteel Industries, Inc. Seat spring structure
US5172882A (en) 1991-03-25 1992-12-22 General Motors Corporation Manual seat adjuster with dual locking means
US5209549A (en) * 1991-05-28 1993-05-11 Chang I Shan Adjustable rotation chair
US5107720A (en) 1991-07-24 1992-04-28 Plastic Industries, Inc. Device for actuating a remotely positioned latch
JP2919131B2 (en) 1991-10-22 1999-07-12 株式会社イトーキクレビオ Chair tilt control device
US5249839A (en) * 1991-11-12 1993-10-05 Steelcase Inc. Split back chair
US5267777A (en) 1992-01-15 1993-12-07 Lavaco Industries, Inc. Resilient chair support
US5328242A (en) 1992-03-18 1994-07-12 Steelcase Inc. Chair with back lock
US5282670A (en) 1992-04-20 1994-02-01 Steelcase Inc. Cable actuated variable stop mechanism
FI90196C (en) * 1992-05-15 1994-01-10 Samuel Sakarias Aittomaeki Mattress
CA2319870C (en) * 1992-06-15 2001-12-04 Herman Miller, Inc. Woven fabric membrane for a seating surface
CH690019A5 (en) * 1992-07-16 2000-03-31 Giroflex Entwicklungs Ag Supporting frame for a chair, in particular for an adjustable in height and tilt office chair.
US5445436A (en) * 1992-10-15 1995-08-29 Sunbeam Corporation Backing or seating for seating type furniture and means for securing backing or seating to a frame
US5316371A (en) * 1993-03-25 1994-05-31 Mccord Winn Textron Adjustable vehicle seat
US5427434A (en) * 1993-07-30 1995-06-27 Leggett & Platt, Incorporated Chair tilt and height adjustment mechanism
US5425522A (en) * 1994-04-13 1995-06-20 Atwood Industries, Inc. Vehicle seat adjuster with conveniently accessible rotary actuator
CN2190438Y (en) * 1994-04-29 1995-03-01 林文智 Direction adjustable joint device
US5624161A (en) * 1994-05-31 1997-04-29 Takashimaya Nippatsu Kogyo Co., Ltd. Seat cushion pad supporting construction
US5486035A (en) * 1994-08-01 1996-01-23 Koepke; Marcus C. Occupant weight operated chair
CN2218482Y (en) * 1994-09-10 1996-01-31 刘琪男 Back tilting and rocking structure of chair
USD377431S (en) * 1994-09-29 1997-01-21 Herman Miller, Inc. Seat and back unit for a chair
DE19505447A1 (en) * 1995-02-17 1996-08-22 Schmidt Gmbh R Device to adjust spinal pressure distribution on vehicle seat backrest
US5782536A (en) * 1995-02-17 1998-07-21 Steelcase Inc. Modular chair construction and method of assembly
US5607204A (en) * 1995-06-07 1997-03-04 Sears Manufacturing Company Adjustable vehicle seat
US5658049A (en) * 1995-10-19 1997-08-19 Flexsteel Industries, Inc. Separable recliner chair assembly
FR2742061B1 (en) * 1995-12-08 1998-02-06 Look Fixations Sa DEVICE FOR RETAINING A SHOE TO A SNOWBOARD SUCH AS A SKI OR THE LIKE
DE29601479U1 (en) * 1996-01-29 1996-05-30 Trw Occupant Restraint Systems Gmbh, 73551 Alfdorf Vehicle seat
US5769500A (en) * 1996-02-01 1998-06-23 Tropitone Furniture Co., Inc. Furniture and method of assembly
JP3735935B2 (en) * 1996-04-08 2006-01-18 アイシン精機株式会社 Headrest device
DK0804888T3 (en) * 1996-04-22 1998-07-27 Steelcase Strafor Sa Improvements in the system for regulating and maneuvering various moving elements and / or deformable elements in e.
DE29614978U1 (en) * 1996-08-28 1997-01-02 Trw Occupant Restraint Systems Gmbh, 73551 Alfdorf Vehicle seat with an adjustable headrest on the backrest
US5762399A (en) * 1996-11-13 1998-06-09 Liu; Clement Inclination positioning device for rocking type chairs
US5732923A (en) * 1996-12-09 1998-03-31 Atoma International, Inc. Vehicle seat tract assembly with secondary system
JP3644518B2 (en) * 1996-12-24 2005-04-27 株式会社イトーキクレビオ Chair
DE19702328A1 (en) * 1997-01-23 1998-07-30 Comforto Gmbh Chair with synchronous mechanism
FR2758774B1 (en) * 1997-01-28 1999-04-09 Faure Bertrand Equipements Sa ADJUSTMENT SLIDE FOR A MOTOR VEHICLE SEAT AND ADJUSTMENT SYSTEM COMPRISING TWO SUCH SLIDES
US6139103A (en) * 1997-03-12 2000-10-31 Leggett & Platt, Inc. Synchronized chair seat and backrest tilt control mechanism
JPH10272031A (en) * 1997-03-31 1998-10-13 Aiko Kk Chair seat inclining method and chair provided with freely inclining seat
US5884977A (en) * 1997-08-26 1999-03-23 General Motors Corporation Vehicle seal cushion with passive unbalanced load compensation
TW414040U (en) * 1997-09-10 2000-12-01 Takano Co Ltd Device for tilting, swaying and fastening
US5913568A (en) * 1997-09-30 1999-06-22 Brightbill; Stephen T. Two platform motion seat
US5975634A (en) * 1997-10-24 1999-11-02 Steelcase Development Inc. Chair including novel back construction
DE19750116C2 (en) * 1997-11-13 2002-11-07 Faurecia Autositze Gmbh & Co Adjustment mechanism for the lateral support areas of a seat, in particular of its backrest
US5897167A (en) * 1997-11-20 1999-04-27 Keith; Lendon V. Detachable adjustable height headrest for a folding chair
SE510961C2 (en) * 1997-11-20 1999-07-12 Volvo Ab Device for backrest to a vehicle seat
US6250715B1 (en) * 1998-01-21 2001-06-26 Herman Miller, Inc. Chair
US6368261B1 (en) * 1998-03-14 2002-04-09 Steven John Doehler Desk chair for the prevention of repetitive stress injuries
JPH11262427A (en) * 1998-03-18 1999-09-28 Ikeda Bussan Co Ltd Movable headrest
DE29805913U1 (en) 1998-04-01 1998-07-02 Federnwerke Marienberg Gmbh, 09496 Marienberg Seat upholstery
US5873632A (en) * 1998-04-06 1999-02-23 Aur Hann Co., Ltd. Pillow and backrest of chair
USD420523S (en) * 1998-06-05 2000-02-15 Herman Miller, Inc. Chair
KR100351589B1 (en) 1998-07-02 2002-12-18 주식회사 삼홍사 Height adjustment member for chair
DE29819143U1 (en) * 1998-10-21 1999-02-11 Drabert GmbH, 32423 Minden Office chair with a adjustable backrest
US6022078A (en) * 1999-01-13 2000-02-08 Chang; Yung-Tsung Headrest of a seat with adjustable positioning rods
US6170915B1 (en) * 1999-02-18 2001-01-09 L&P Property Management Company Seat assembly
US6378943B1 (en) * 1999-03-26 2002-04-30 Northfield Metal Products Ltd. Chair tilt lock mechanisms
US6179384B1 (en) 1999-04-21 2001-01-30 Steelcase Development Inc. Force adjusting device
US6056367A (en) * 1999-04-26 2000-05-02 Hsiao; Yun-Chien Chair structure
US6074013A (en) * 1999-04-27 2000-06-13 Hsiao; Yun-Chien Cross member of the seat and the backrest of a chair
US6412869B1 (en) * 1999-05-27 2002-07-02 Steelcase Development Corporation Nestable synchrotilt chair
IT1308075B1 (en) * 1999-06-04 2001-11-29 Pro Cord Srl CHAIR WITH OSCILLATING SEAT
US6174031B1 (en) * 1999-06-07 2001-01-16 Haworth, Inc. Actuator handle for an office chair
WO2000078185A2 (en) * 1999-06-17 2000-12-28 Steelcase Inc. Chair construction
US6264179B1 (en) * 1999-07-06 2001-07-24 L&P Property Management Company Seat assembly utilizing modular springs
NL1013253C2 (en) * 1999-10-08 2001-04-10 Ergodynamics Holding B V Combination of frame-supported seat and backrest.
USD437132S1 (en) * 1999-11-08 2001-02-06 Okamura Corporation Chair
DE29922592U1 (en) * 1999-12-22 2000-04-20 Breed Automotive Technology, Inc., Lakeland, Fla. Device for adjusting a headrest on a backrest of a vehicle seat
US6357830B1 (en) * 2000-01-18 2002-03-19 Attwood Corporation Shock absorbing seat
CA2342266A1 (en) * 2000-05-16 2001-11-16 Art Design International Inc. Articulated seat
EP1157640A2 (en) * 2000-05-26 2001-11-28 GKD GEBR. KUFFERATH GMBH & CO. KG Furniture
USD460300S1 (en) * 2000-09-28 2002-07-16 Formway Furniture Limited Slotted seat panel for a chair
DE20019569U1 (en) * 2000-11-17 2001-01-11 Meyer, Stephan, 79100 Freiburg Seating device for seating
US6669301B1 (en) * 2000-11-28 2003-12-30 Steelcase Development Corporation Furniture article having panel and integral perimeter frame
US6354662B1 (en) * 2001-01-04 2002-03-12 Tung-Hua Su Waistrest assembly for a chair
ITMI20010073A1 (en) 2001-01-16 2002-07-16 Selle Italia Srl STRUCTURE OF SELLA PERFECTED PARTICOLARMNETE STUDY FOR CYCLES AND MOTORCYCLES
DE10106792A1 (en) * 2001-02-12 2002-08-14 Interstuhl Bueromoebel Gmbh seating
DE20106173U1 (en) * 2001-04-07 2001-08-02 Pürner, Siegfried, 95615 Marktredwitz Module for damping mass impacts
US6619740B2 (en) * 2001-04-30 2003-09-16 Leggett & Platt, Ltd. Chair control mechanism
DE10126001A1 (en) * 2001-05-18 2002-11-21 Bock 1 Gmbh & Co Preloaded spring arrangement, in particular for spring loading of synchronous mechanisms in office chairs
US6585320B2 (en) * 2001-06-15 2003-07-01 Virco Mgmt. Corporation Tilt control mechanism for a tilt back chair
US6609755B2 (en) * 2001-06-15 2003-08-26 Hon Technology Inc. Ergonomic chair
US6598251B2 (en) * 2001-06-15 2003-07-29 Hon Technology Inc. Body support system
US20030001424A1 (en) * 2001-06-27 2003-01-02 David Mundell Integral elastomeric suspension article and manufacturing process
KR200250589Y1 (en) * 2001-07-09 2001-10-19 정구범 A chair
KR200254801Y1 (en) * 2001-08-30 2001-11-26 이종환 Seat back and seat's interlocking structure of swivel chair
US6550866B1 (en) * 2002-01-24 2003-04-22 Tung-Hua Su Chair backrest with ventilating function
RU2199258C1 (en) * 2002-02-14 2003-02-27 Быков Алексей Алексеевич Seating device
US6779846B2 (en) * 2002-08-06 2004-08-24 Mity-Lite, Inc. Chair with flexible, resilient back support
US6880886B2 (en) * 2002-09-12 2005-04-19 Steelcase Development Corporation Combined tension and back stop function for seating unit
US6869142B2 (en) 2002-09-12 2005-03-22 Steelcase Development Corporation Seating unit having motion control
US7090301B2 (en) * 2002-10-29 2006-08-15 L&P Property Management Company Apparatus and method for lumbar support structure
CA2526108A1 (en) * 2005-11-04 2007-05-04 Steven Pearse Chair having movable thigh levers
DE102006023982A1 (en) 2006-05-22 2007-12-06 Wilkhahn Wilkening + Hahne Gmbh & Co. Kg chair
DE102006023962A1 (en) 2006-05-22 2007-11-29 Ingelheim Consulting Gmbh Planetary gearing with a positive fit for operating very precise adjusting gears has an eccentric wheel on a sun wheel and a curved disk to run along on roller bodies fixed firmly on a mount

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10151033A (en) 1996-09-30 1998-06-09 Mikio Fukunaga Chair
US5713632A (en) 1997-01-03 1998-02-03 Su; Ching-Chuan Swivel chair having a body-fit structure
EP1051931B1 (en) 1999-05-14 2003-10-15 Löffler Bürositzmöbel GmbH Seat bearing with synchronised mechanism
US20040195882A1 (en) 2001-06-14 2004-10-07 Adam White Seats
JP2006218191A (en) * 2005-02-14 2006-08-24 Itoki Corp Chair and auxiliary seat pad of the same
WO2006107214A1 (en) * 2005-04-08 2006-10-12 Peter Opsvik As Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body.

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009009612U1 (en) 2009-07-14 2009-10-01 Wilkhahn Wilkening + Hahne Gmbh & Co. Kg chair
US10383446B2 (en) 2010-06-15 2019-08-20 Herman Miller, Inc. Chair
DE102011105290A1 (en) 2010-06-15 2011-12-15 Claudia Plikat "Chair"
WO2011157392A1 (en) 2010-06-15 2011-12-22 Claudia Plikat Chair
US9510684B2 (en) 2010-06-15 2016-12-06 Johann Burkhard Schmitz Chair
DE202010008739U1 (en) 2010-10-06 2011-11-10 Wilkhahn Wilkening + Hahne Gmbh + Co. Kg seat
EP2508102A1 (en) * 2011-04-05 2012-10-10 Wilkhahn Wilkening + Hahne GmbH + Co. KG Chair
EP2520199A1 (en) 2011-05-04 2012-11-07 Eckhard Hansen Seating
DE202012012606U1 (en) 2011-05-04 2013-06-12 Eckhard Hansen seating
US9486081B2 (en) 2011-05-06 2016-11-08 Haworth, Inc. Item of seating furniture, in particular office chair
CN103889273A (en) * 2011-06-08 2014-06-25 霍沃思公司 Seat, in particular an office chair
US10638841B2 (en) 2011-06-08 2020-05-05 Haworth, Inc. Seat, in particular an office chair
US11076696B2 (en) 2011-06-08 2021-08-03 Haworth, Inc. Seat, in particular an office chair
US10111525B2 (en) 2011-06-08 2018-10-30 Haworth, Inc. Seat, in particular an office chair
US9504325B2 (en) 2011-06-08 2016-11-29 Haworth, Inc. Seat, in particular an office chair
WO2012167940A1 (en) * 2011-06-08 2012-12-13 Haworth, Inc. Seat, in particular an office chair
US9826836B2 (en) 2011-06-08 2017-11-28 Haworth, Inc. Seat, in particular an office chair
CN103889273B (en) * 2011-06-08 2018-01-09 霍沃思公司 Seat, especially office chair
US9211014B2 (en) 2011-12-08 2015-12-15 Herman Miller, Inc. Composite body support member and methods for the manufacture and recycling thereof
WO2014059553A1 (en) 2012-10-18 2014-04-24 Vitra Patente Ag Seat with relative synchronous displacement between back incline and seat incline
EP2908696B1 (en) 2012-10-18 2017-12-06 Vitra Patente AG Synchronous seat adjustment
US9913539B2 (en) 2013-03-15 2018-03-13 Haworth, Inc. Office chair
USD723851S1 (en) 2013-06-07 2015-03-10 Herman Miller, Inc. Backrest support
USD703457S1 (en) 2013-06-07 2014-04-29 Herman Miller, Inc. Chair
EP2962602A1 (en) * 2014-03-19 2016-01-06 Wilkhahn Wilkening + Hahne GmbH + Co. KG Chair
EP2921080A1 (en) * 2014-03-19 2015-09-23 Wilkhahn Wilkening + Hahne GmbH + Co. KG Chair
US10182657B2 (en) 2016-02-12 2019-01-22 Haworth, Inc. Back support for a chair
US10729250B2 (en) 2016-02-12 2020-08-04 Haworth, Inc. Back support for a chair
US11805914B2 (en) 2016-02-12 2023-11-07 Haworth, Inc. Back support for a chair

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US20070228800A1 (en) 2007-10-04
CN1822781B (en) 2012-09-05
US20040245839A1 (en) 2004-12-09
US20040051358A1 (en) 2004-03-18
EP1483986B1 (en) 2019-07-31
DE202007018357U1 (en) 2008-06-05
EP2305072A2 (en) 2011-04-06
US7637570B2 (en) 2009-12-29
BR0314234A (en) 2005-08-09
PL1946676T3 (en) 2011-08-31
ES2359169T3 (en) 2011-05-19
EP2305071A3 (en) 2011-11-16
CN1822780A (en) 2006-08-23
US20060170263A1 (en) 2006-08-03
DE502007006656D1 (en) 2011-04-21
CN1822781A (en) 2006-08-23
AU2004245072B2 (en) 2009-04-23
US7165811B2 (en) 2007-01-23
CN102669972B (en) 2015-07-08
WO2004023934A2 (en) 2004-03-25
BRPI0314234B1 (en) 2016-04-05
KR100779809B1 (en) 2007-11-27
US6880886B2 (en) 2005-04-19
US7264311B2 (en) 2007-09-04
ATE500767T1 (en) 2011-03-15
US20040245840A1 (en) 2004-12-09
TWI300703B (en) 2008-09-11
US7360835B2 (en) 2008-04-22
WO2004107915A2 (en) 2004-12-16
US20080169693A1 (en) 2008-07-17
EP2305072A3 (en) 2012-10-17
EP1578230A2 (en) 2005-09-28
US20070114827A1 (en) 2007-05-24
WO2004023934A3 (en) 2007-07-19
WO2004107915A9 (en) 2005-03-03
EP2314179A2 (en) 2011-04-27
WO2004107915A3 (en) 2005-04-07
CA2498395C (en) 2010-02-09
BRPI0411047A (en) 2006-07-11
US20040245827A1 (en) 2004-12-09
EP1483986A1 (en) 2004-12-08
EP2305071A2 (en) 2011-04-06
EP1628554A2 (en) 2006-03-01
TW200513211A (en) 2005-04-16
EP1578230A4 (en) 2010-11-03
CA2528041A1 (en) 2004-12-16
TW200418413A (en) 2004-10-01
AU2003272280B2 (en) 2009-01-08
US6932430B2 (en) 2005-08-23
CA2498395A1 (en) 2004-03-25
CN102669972A (en) 2012-09-19
EP2314179A3 (en) 2011-11-16
DE102007002284A1 (en) 2008-07-17
JP2006526484A (en) 2006-11-24
JP2006513807A (en) 2006-04-27
KR20050037000A (en) 2005-04-20
CA2528041C (en) 2010-10-05
EP1578230B1 (en) 2018-10-17
AU2003272280A1 (en) 2004-04-30

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