EP2047769B1 - Siège de personnes à suspension - Google Patents

Siège de personnes à suspension Download PDF

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Publication number
EP2047769B1
EP2047769B1 EP08165971A EP08165971A EP2047769B1 EP 2047769 B1 EP2047769 B1 EP 2047769B1 EP 08165971 A EP08165971 A EP 08165971A EP 08165971 A EP08165971 A EP 08165971A EP 2047769 B1 EP2047769 B1 EP 2047769B1
Authority
EP
European Patent Office
Prior art keywords
seat
carrier
rest
spring
backrest
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.)
Not-in-force
Application number
EP08165971A
Other languages
German (de)
English (en)
Other versions
EP2047769A1 (fr
Inventor
Peter Tobler
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.)
Sitag AG
Original Assignee
Provenda Marketing AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Provenda Marketing AG filed Critical Provenda Marketing AG
Publication of EP2047769A1 publication Critical patent/EP2047769A1/fr
Application granted granted Critical
Publication of EP2047769B1 publication Critical patent/EP2047769B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0252—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame connected only by an elastic member positioned between seat and base frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/402—Support for the head or the back for the back adjustable in height

Definitions

  • the invention relates to a passenger seat with a seat surface and a seat suspension and a backrest.
  • Seat suspensions are integrated in a variety of embodiments in a variety of chairs and seats.
  • the adjustment of the spring force is usually done by a bias of a steel spring by means of a clamping screw.
  • Synchronous mechanisms for synchronous adjustment of the inclination of seat and backrest under load are also known in a variety of variants.
  • the inclination of the backrest is usually determined in mechanical dependence on the inclination of the seat element. This means that in synchronous mechanisms so far usually every inclination of the seat can be clearly assigned to a particular inclination of the backrest.
  • various lever mechanisms have been designed, via which the movement of the backrest support is coupled with the movement of the seat support. These lever mechanisms are cushioned in their movement with a spring.
  • the support frame for the seat is made of tubular steel parts. These steel tube parts are bent downwards on the front of the seat by approximately 180 degrees and connected at the end to the leg frame. The support frame itself thus allows a resilient yielding of the seat relative to the leg frame.
  • the present invention has set itself the task of creating a passenger seat with a mechanically very little complex synchronous mechanism, which ensures a synchronous tilt adjustment of the backrest and seat element under load.
  • This synchronizing mechanism should also allow to provide a device to adjust the seat suspension to the desired seating comfort and the weight of the seat occupant.
  • a passenger seat comprises in a known manner a support, a seat element and a backrest, and designed as a Wippfeder seat suspension between the seat member and the support, and formed as a Wippfeder backrest suspension between the seat element and the backrest.
  • the seat suspension and the backrest suspension are formed together S-shaped and therefore have to each other then two opposite curvatures.
  • the first curvature is formed between the support and the seat member and is concave toward the seat back.
  • the second curvature is between the seat element and the Backrest formed.
  • the proposed synchronous mechanism is thus designed such that a first spring for cushioning the movement of the seat member and a second spring for cushioning the backrest are arranged in series, so that the load of the backrest brings indeed on the first spring load, but also the second spring loaded.
  • the seat support and the backrest support together form a composite spring element which has at least two sections with different spring strengths, which sections are formed from separate spring elements.
  • the passenger seat can be equipped very easily with an adjusting device for changing the length of a portion of the rocker spring lying between the fastening points.
  • the passenger seat is anatomically shaped so that the seating position is determined by the shape of the seat. This also results in a predetermined spring action when anatomically correct sitting.
  • the hardness of the spring can be adjusted. Lighter persons or persons who want a softer suspension, so extend this lying between the attachment sites share of WIPFeder. People who are heavier or want a heavier suspension shorten this proportion of Wippfeder.
  • Wippfeder which is arranged on a plane of symmetry of the passenger seat.
  • more than one, in particular two, such wippen springs can be provided, which are arranged concomitantly with one another and run in parallel or each have an individual course, possibly symmetrical to one another.
  • the Wippfeder can therefore from a leaf spring, more than one leaf spring next to each other and / or one above the other layered, one, two or more round rod springs, one, two or more rod springs consist of rods with multi-surface cross-sections, etc.
  • the Wippfeder is U-shaped in the seat suspension. This U-shape is towards the rear end of the seat member, which is the backrest, open ..
  • the Wippfeder therefore has a first leg and a second leg, which legs are connected to each other via a connecting web and have free ends towards the rear.
  • the first leg is attached to the first attachment point on the support and the second leg carries at the second attachment point the seat surface.
  • the center of curvature of the connecting web forming the U corresponds approximately to the location of the virtual rocker axis. Thanks to the adjustment of the distance between the curved connecting web, which is formed between the two legs, and at least one of the attachment points is variable. This change in the distance occurs in the extension direction of the legs.
  • both attachment points can be designed adjustable both attachment points. It is expedient to form only an attachment point adjustable. If both attachment points are adjusted equally with the adjustment, the location of a load axis relative to the support remains unchanged. If, on the other hand, only one attachment point is displaced, so does the location of the load relative to the support. However, it has been found that the displacement of the attachment point in the range of 2 to 5 cm sufficient to adjust the spring hardness in the desired range can. This small shift of the load axis does not have to be compensated. Nevertheless, it appears expedient that the two attachment points are formed in a central position on the two legs opposite each other. As a result, the deviations of the load axis from the first attachment point to the support remain low. This has the advantage that only small moments must be absorbed in this first attachment point. This is particularly advantageous when the first attachment point is formed between the Wippfeder and a height lift.
  • the second attachment point along the extension direction of the Wippfeder is adjustable. This allows the adjustment to provide directly below the seat element, or even to integrate in the seat element.
  • the seat element tilts under load to the rear, so that the seat is lowered back more than the front. This increase in seat tilt as the seat load increases is particularly comfortable because a back is provided.
  • the backrest or the backrest support is expediently fastened to the seat element or to the adjusting device.
  • the backrest support in a consistent continuation of the simplicity of the construction according to the invention, comprises a rocker spring extending in the extension direction of the backrest support.
  • the combination of a first Wippfeder between the seat element and support and a second Wippfeder between the seat element and backrest or in the region of the backrest results in a pleasant synchronous adjustment of the inclination of the backrest and seat element depending on the load on the backrest.
  • the simplicity of the construction is particularly pronounced when the backrest support comprises only the second Wippfeder, as well as the seat member and the support are connected by only the first Wippfeder.
  • the backrest support may also comprise a first support member which is disposed on the seat member or on the adjusting and extending in the extension direction of the backrest extending arm, and comprise a second support member as an arm extension on this arm of the first support member in the extension direction of the backrest is arranged immovable or displaceable.
  • the second carrier element can be bent more elastically under load than the first spring element.
  • a backrest is advantageously arranged on the backrest support, which is formed adapted in its direction of extension with a boss and a thoracic spine depression of a back shape.
  • This backrest is advantageously attached to a first, upper point and at a second, lower point on the backrest support, formed elastically deformable between these points and slidably mounted in one of the two points in the extension direction of the backrest support.
  • This allows the boss to automatically adapt to the shape of the boss leaning on the back.
  • This design ensures a certain type of height adjustment of the back, so that it is particularly suitable if a height adjustment described above is not provided.
  • the displaceable mounting of the backrest is advantageously provided at its lower end, so that when leaning against a so-called "shirt pull-out effect" is counteracted.
  • the backrest is resilient and where it is slidably mounted freely displaceable, so that the deformation of the backrest counteracting force is only the spring force of the backrest itself.
  • This spring force can also be supported by an additional spring.
  • the illustrated column lifts, but also three-, four- or multi-leg chair frames, as well as, for example, a structurally existing stage or a multiple seats common carrier in question, on which the seat suspension is arranged.
  • FIG. 1 an office chair 11 is shown schematically in side view. He has a trolley 13 with five rollers 15 and a column 17 with integrated elevator lift 19, which together form the support 10.
  • a Wippfeder 21 is attached on this support 10 .
  • the rocker spring 21 forms in the initial region a first leg 22, which first leg 22 is directed at the first attachment point 23 on the support 10 parallel to the support surface of the rolling frame 13. It is bent in the front region of the chair U-shaped and extends after this first curvature 25 again parallel to the first leg 22.
  • the second attachment point 27 is formed.
  • the rocker spring 21 carries a seat element 31.
  • the Wippfeder 21 extends beyond this second attachment point 27 addition. It then forms the backrest support 33 at this second fastening point 27.
  • the rocker spring therefore has a second curvature 29, which is opposite to the first one. Following this second curvature 29, an arm 36 of the backrest support 33 projects. On this arm 36, a backrest 37 is attached. It is mounted in an upper attachment point 41 and a lower attachment point 43 thereto.
  • a first adjusting device 39 is provided at the second attachment point 27, with which the position of the seat member 31 on the second leg 24 of the Wippfeder 21 can move backwards and forwards.
  • an additional (first) adjustment device 39 ' is provided, with which the position of the support of the Wippfeder can be adjusted on the support.
  • first adjusting means 39 and 39 ' the length of the effective for the seat suspension portion of the Wippfeder 21 can be adjusted.
  • the adjustment between the first attachment point 23 and the second attachment point 27 is effective for the seat suspension.
  • Both adjustment devices 39, 39 ' also influence the position of the seat element 31 relative to the support 10 when adjusting the length of this effective section.
  • the rocker spring 21 extends beyond the second fastening point 27 and forms a backrest support 33 there.
  • the backrest support 33 has the second curvature 29 of the rocker spring 21 in order to be substantially perpendicular to this curvature 29.
  • the backrest 37 is attached at this vertical arm 36 of the backrest support 33.
  • the backrest 37 is attached to an upper attachment point 41 and to a lower attachment point 43 on the backrest support 33.
  • the upper attachment point 41 is a fixed point to which the backrest is fixed immovably but articulated.
  • the lower attachment point 43 allows movement of the backrest in the attachment point.
  • the backrest 37 can move freely in the lower attachment point with respect to a vertical direction, that is to say parallel to the extension direction of the arm 36 of the backrest support 33.
  • first adjusting device 39 at the second attachment point 27 is between seat member 31 and Wippfeder 21, the effect of a length adjustment of the second arm 24 so that with harder adjustment of the seat suspension of the center of gravity further forward in softer setting accordingly further back.
  • FIG. 1 is further shown that the backrest support 33 is separate from the seat suspension.
  • the backrest support 33 and the seat member 31 is slidably mounted together on the second leg 24 of the Wippfeder 21.
  • the actuation of the adjusting device 39 thus causes a change in both the distance of the second attachment point 27 of the first curvature 25 of the Wippfeder and the distance of the arm 36 of the backrest support of this first curvature 25.
  • the backrest softer or softer Harder, to the extent that it depends on the seat suspension.
  • FIG. 2 In FIG. 2 is shown a possibility of height adjustment of the backrest.
  • an arm extension 35 ' On a short-cut arm 36 of the backrest support 33, an arm extension 35 'is slidably disposed.
  • a second adjusting device 49 between the arm 36 and the arm extension 35' is provided. This second adjusting device 49 may be formed identically with the first adjusting device 39.
  • the separation of the backrest support in a first portion with the second curvature 29 and a short arm 36 and an arm extension also has the advantage that the spring characteristics of both parts can be selected separately. This selectability of the spring properties is also given between the seat suspension and the backrest suspension, when the Wippfeder is separated in the region of the second attachment point.
  • an office chair 11 is shown. He has a trolley 13 with five rollers 15 and a column 17 with integrated elevator lift 19, which together form the support 10. His Wippfeder 21 is divided into three parts. It comprises a first part, which is attached to the support 10 at the first attachment point 23 and is U-shaped. This first part of the Wippfeder 21 carries an adjusting device 39, by means of which adjustment, the seat member 31 is adjustable together with the backrest support 33. The backrest support 33 with the arm extension 35 'therefore forms a second and a third part of the rocker spring 21. The second part of the rocker spring has the second curvature 29 and is connected to the arm extension 35' via the second adjustment device 49. With the operation of the second adjusting device 49, the upper and lower attachment point 41,43 between the arm extension 35 'and the backrest 37 can be moved simultaneously in height.
  • the adjusting devices 39 and 49 are identical. They have an adjustment block, in which the adjustment takes place via a toothed wheel or a worm wheel and a row of teeth. They have an operating wheel 40 or 50, with which the gear or the worm wheel can be rotated.
  • the lower attachment point of the backrest 37 on the back support 33 is fixed and allows only a pivoting of the backrest about a horizontal axis.
  • the upper attachment point allows a shift between the backrest 37 and the backrest support 33. Such a shift occurs when the backrest is loaded.
  • the boss is flattened and / or changed in its position.
  • the slider 57 abuts the receptacle 55 and does not allow detachment of the backrest 37 from the backrest support 33rd
  • FIGS. 6 and 7 illustrated embodiment differs from the example described above FIGS. 3 to 5 essentially in that the backrest 37 at its lower attachment point 43 slidably and in the upper attachment point 41 is articulated but immovably fixed to the backrest support 33. Instead of a displaceability at the lower attachment point is preferred to articulate a pivot lever on the backrest and the backrest support. This ensures virtually the same freedom of movement.
  • a spring may be provided, with which the backrest is biased.
  • FIGS. 6 and 7 no displacement device 49 between the first support member 35 and the second support member 35 'present. Nevertheless, a first 35 and a second 35 'support member are present.
  • the first support member 35 is resilient only to a small extent, since it is made of a stainless steel.
  • the second support part 35 ' is made of spring steel and gives significantly under load.
  • These two support members 35,35 ' are screwed or riveted together in a defined position. It is possible to allow different positions through a plurality of perforations or a slot in the first carrier part 35 and / or in the second carrier part 35 '. By loosening the screws and re-attaching the second support member 35 'on the arm 36 of the first support member, therefore, the height position of the backrest can be adjusted.
  • the office chair is according to FIGS. 6 and 7 equipped with armrests.
  • the illustrations do not include upholstery and trim parts of the chair. However, such can be provided.
  • the teaching according to the invention is to be used in particular for office chairs. But it can also be applied to all other passenger seats, such as seats in means of transport, especially in vehicle seats. Very suitable is the seat mechanism according to the invention for chairs, which should be indestructible despite low acquisition costs, such as school seating, seats in public areas, waiting rooms, but also object chairs. An angular adjustment between the individual parts of the Wippfeder can be provided.
  • the Wippfeder 21, or each part of the Wippfeder 21 may also be formed as Wippfederpacket and therefore be a bunch of multiple Wippfedern.
  • Such a Wippfederet may include a first number of Wippfedern extending between the support and the seat part. From the seat part to the lower attachment point of the backrest a second, smaller number of Wippfedern is provided. Between the lower and the upper fastening point, a third, even smaller number of Wippfedern is provided.
  • the effective spring length can also be adjusted by having a second element accompanying the rocker spring, and a slider connecting the rocker spring to the second element. Depending on the location of this slide, a longer or shorter proportion of the rocker spring is able to deform independently of the second element.
  • the second element may be a wiper spring with a higher spring force.
  • the backrest suspension may therefore comprise a Wippfeder that extends below the seat member 31, but in the region of the first support member 35 has a slidable slide. With this, the effective spring length of the backrest support, and thus the strength of the spring force of the backrest support can be adjusted. The same is appropriate in the field of seat suspension.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (12)

  1. Siège pour personne (11) avec un support (10) et un élément de siège (31) ainsi qu'avec une partie porteuse de siège (26) entre l'élément de siège (31) et le support (10) et avec une partie porteuse de dossier (33) entre l'élément de siège (31) et un dossier (37),
    siège (11) pour lequel
    - la partie porteuse de siège (26) et la partie porteuse de dossier (33) consistent en au moins un ressort à bascule (21) et sont configurées ensemble en forme de S et présentent donc deux courbures (25, 29) opposées qui se suivent, à savoir la première courbure (25) concave vers le dossier entre un premier point de fixation (23) d'une première branche (22) du ressort à bascule (21) sur le support (10) et un second point de fixation (27) d'une seconde branche (24) du ressort à bascule (21) sur l'élément de siège (31), première courbure (25) dans laquelle le ressort à bascule (21) reçoit toute la charge provenant de l'élément de siège (31) et la seconde courbure (29) entre l'élément de siège (31) et le dossier (37), caractérisé en ce que la partie porteuse de siège (26) et la partie porteuse de dossier (33) forment ensemble un élément de ressort composé (21) qui présente au moins deux portions avec des puissances de ressort différentes, lesquelles portions sont formées par des éléments à ressort séparés (26, 33).
  2. Siège pour personne selon la revendication 1, caractérisé par un dispositif de réglage (39) pour varier la longueur d'une portion active du ressort à bascule (21) située entre les points de fixation (23, 27).
  3. Siège pour personne selon la revendication 1 ou 2, caractérisé en ce que l'écart entre la baguette de jonction (25) et au moins l'un des points de fixation (23, 27) est configuré variable avec le dispositif de réglage (39) dans le sens de l'extension des branches (22, 24).
  4. Siège pour personne selon la revendication 3, caractérisé en ce que le second point de fixation (27) est réglable le long du sens de l'extension du ressort à bascule (21).
  5. Siège pour personne selon l'une des revendications 1 à 4, caractérisé en ce que les deux points de fixation (23, 27) sont configurés en face l'un de l'autre sur les deux branches (22, 24) dans une position centrale du dispositif de réglage (39).
  6. Siège pour personne selon l'une des revendications 1 à 5, caractérisé en ce que le dossier (37) est fixé par une partie porteuse de dossier (33) sur l'élément de siège (31) ou sur le premier dispositif de réglage (39) et est déplaçable ensemble avec l'élément de siège (31) par rapport à la partie porteuse de siège.
  7. Siège pour personne selon l'une des revendications 1 à 6, caractérisé en ce que la partie porteuse de dossier (33) comprend un ressort à bascule (21) qui s'étend dans le sens de l'extension de la partie porteuse de dossier (33).
  8. Siège pour personne selon l'une des revendications 1 à 7, caractérisé en ce que la partie porteuse de dossier (33) comprend une première partie porteuse (35) qui est placée au second point de fixation (27) sur l'élément de siège (31) ou sur le dispositif de réglage (39) et présente un bras (36) qui s'étend dans le sens de l'extension du dossier (37) et comprend un prolongement de bras comme seconde partie porteuse (35'), laquelle seconde partie porteuse (35') est placée déplaçable sur ce bras (36) de la première partie porteuse dans le sens de l'extension du dossier (37).
  9. Siège pour personne selon la revendication 8, caractérisé en ce que la seconde partie porteuse (35') est configurée élastique.
  10. Siège pour personne selon la revendication 8 ou 9, caractérisé en ce que la première partie porteuse (35) est configurée élastique.
  11. Siège pour personne selon l'une des revendications 5 à 10, caractérisé en ce qu'un dossier (37) est placé sur la partie porteuse de dossier (33), dossier qui est moulé, dans son sens d'extension, adapté à une forme de dos avec une zone lombaire et un creux pour la colonne de la cage thoracique, lequel dossier (37) est fixé à un premier point supérieur (41) et à un second point inférieur (43) sur la partie porteuse de dossier (33), est configuré déformable élastiquement entre ces points (41, 43) et est positionné variable en position dans fun des deux points (41, 43) dans le sens de l'extension de la partie porteuse de dossier (33).
  12. Siège pour personne selon la revendication 11, caractérisé en ce que le dossier (37) est déplaçable librement au point (41 ou 43) auquel il est positionné variable en position si bien que la force qui agit contre une déformation du dossier (37) est la force de ressort du dossier (37) lui-même.
EP08165971A 2007-10-12 2008-10-07 Siège de personnes à suspension Not-in-force EP2047769B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01597/07A CH700928B1 (de) 2007-10-12 2007-10-12 Personensitz mit einer Wippfeder.

Publications (2)

Publication Number Publication Date
EP2047769A1 EP2047769A1 (fr) 2009-04-15
EP2047769B1 true EP2047769B1 (fr) 2009-12-09

Family

ID=39952193

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08165971A Not-in-force EP2047769B1 (fr) 2007-10-12 2008-10-07 Siège de personnes à suspension

Country Status (4)

Country Link
EP (1) EP2047769B1 (fr)
AT (1) ATE451036T1 (fr)
CH (1) CH700928B1 (fr)
DE (1) DE502008000242D1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102011120753A1 (de) * 2011-12-05 2013-06-06 Joachim Rainer Brüske Sitzmöbel mit einem federnd ausgebildeten Verbindungselement
EP2719304B1 (fr) * 2012-10-11 2016-08-10 aeris GmbH Chaise de bureau avec agencement de dossier
CA2981528A1 (fr) 2015-04-13 2016-10-20 Steelcase Inc. Agencement de siege
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
AU2020224628A1 (en) 2019-02-21 2021-08-26 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
WO2024077008A1 (fr) * 2022-10-06 2024-04-11 Gci Outdoor Llc Chaise basculante compacte pouvant être rangée

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Publication number Priority date Publication date Assignee Title
CH164140A (de) 1932-07-29 1933-09-30 Moebelfabrik Horgen Glarus Vor Drehstuhl mit gegenüber dem Beingestell federnd getragenem Sitz.
DE7717144U1 (de) * 1977-05-31 1977-10-13 Huester, Werner, 5910 Kreuztal Stuhlgestell aus stahlrohr
US4889385A (en) 1988-03-09 1989-12-26 American Seating Company Chair seat-and-back support
WO1991009554A1 (fr) * 1989-12-29 1991-07-11 Wilkhahn Wilkening + Hahne Gmbh + Co. Dispositif de reglage synchrone pour chaises de bureau ou analogues
DE19726160A1 (de) * 1997-06-20 1998-12-24 Johannes Uhlenbrock Sitzmöbel, insbesondere Bürodrehstuhl
US20020000745A1 (en) * 2000-06-16 2002-01-03 Conte Samuel S. Patient chair with quaternary spring motion
US6913317B2 (en) 2002-06-25 2005-07-05 Telescope Casual Furniture, Inc. Adjustable swivel rocker

Also Published As

Publication number Publication date
EP2047769A1 (fr) 2009-04-15
ATE451036T1 (de) 2009-12-15
DE502008000242D1 (de) 2010-01-21
CH700928B1 (de) 2010-11-15

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