EP2844109A1 - Stuhl, insbesondere bürostuhl - Google Patents
Stuhl, insbesondere bürostuhlInfo
- Publication number
- EP2844109A1 EP2844109A1 EP13725059.3A EP13725059A EP2844109A1 EP 2844109 A1 EP2844109 A1 EP 2844109A1 EP 13725059 A EP13725059 A EP 13725059A EP 2844109 A1 EP2844109 A1 EP 2844109A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- region
- shoulder
- chair according
- elements
- 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
Links
- 208000007623 Lordosis Diseases 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 abstract 1
- 210000004705 lumbosacral region Anatomy 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
Definitions
- the invention relates to a chair, in particular an office chair having the features of the preamble of claim 1.
- Modern office chairs are usually equipped with a so-called synchronous mechanism, which ensures a correlated movement of a seat and a backrest with a tilt of the backrest, in such a way that at the same time with a tilt of the backrest, a rear seating area is also inclined.
- the synchronizing mechanism is usually below the seat in a carrier unit, here referred to as base carrier unit integrated.
- This support unit is usually mounted on a support beam and connected via this with a pedestal.
- various designs of synchronous mechanisms are known.
- Mechanisms with an automatic weight adjustment are also known in which the restoring force acting on the backrest automatically adapts to the weight of the respective current user.
- An example of an office chair with a synchronous mechanism and an automatic weight adjustment can be taken from said EP 2 173 218 B1.
- the object of the invention is to provide such a chair, which is equipped in particular with a synchronous mechanism, with improved comfort properties.
- the chair in particular an office chair, then comprises a seat fastened on a base support unit and a backrest which has a lower backrest.
- CONFIRMATION COPY rich and has an upper shoulder area and which is attached to a backrest support.
- the backrest support is in particular approximately J-shaped and rotatably mounted on the base support unit about an inclination axis.
- the base support unit itself in turn preferably carries the synchronous mechanism and a seat-forming upholstered seat support.
- the shoulder area on the one hand articulated to the backrest support and on the other hand hinged to the lower backrest area.
- the shoulder area is tiltable about a shoulder axis.
- a first articulated connection is formed between the shoulder region and the backrest support.
- the articulated connection of the lower backrest area to the shoulder area takes place in a lordosis area of the backrest.
- Shoulder area and lower back area are therefore quasi a transverse axis, hereinafter referred to as Lordosenachse, attached via a second hinge connection to each other.
- Backrest area continues to run on a chair element, preferably the backrest support or the seat.
- Leaning area is therefore used in particular for length compensation in the inclination of the backrest about the shoulder axis.
- this positive guide allows bulging the backrest in the lumbar region forward.
- the overall comfort of the chair is increased.
- the backrest on a central region and laterally adjacent thereto each have a lateral area, which are directed to the better lateral guidance forward, ie towards the seat.
- This orientation of the lateral areas in relation to the central area is likewise forcibly changed in an expedient further development with an inclination of the shoulder area about the shoulder axis.
- the lateral regions virtually flip forward and thus provide an improved lateral guidance available. So there is a total of a synchronous, positively driven movement such that in the lumbar region of the body undergoes support and at the same time lateral areas are led forward for a better lateral guidance.
- the backrest In order to enable the pivoting of the lateral areas to the front while this are pivotable in a useful manner about vertical axes relative to the central region. Therefore, the backrest itself has areas on its side, which are folded over joints with a vertical orientation to the front or at least bent. Therefore, in addition to the typically horizontal articulated connection between shoulder region and lower back region, two substantially vertical articulated connections between the respective middle region and the lateral regions are also formed on the backrest itself. These articulated connections can be formed by elastic (bending) areas or by joints.
- the lower backrest area is also pivotally connected to the seat. Due to the direct connection of the backrest to the seat, improved guidance of the body over all inclination positions is achieved in the transition region between the seat and the backrest.
- the seat in this case has a rear seat part, which is hinged to a front seat part.
- the two seat parts are about an axis, hereinafter referred to as seat axis, rotatably supported by a corresponding hinge connection together.
- seat axis axis
- the rear seat part on the one hand with the front seat part and on the other hand with the lower back area is easily a length compensation at an inclination of the shoulder region about the shoulder axis, in which the lower back region is pulled upwards towards the shoulder axis.
- the rear seat part is pulled over the lower backrest area upwards with an inclination of the shoulder region to the rear and thus supports the body in the transition region between the seat and backrest.
- the two seat parts are usually provided by plates or shells, ie mechanically rigid units of the seat support, on which the seat upholstery is applied.
- the seat axis is on the one hand behind the tilt axis, ie oriented towards the backrest. Furthermore, the seat axis and / or preferably also the inclination axis, arranged close to a body rotational axis, which is defined in particular by the hip joint. As a result, Relatiwerschiebept between body and seat or backrest are kept as low as possible at an inclination.
- the shoulder region is followed by another upper back region, which serves for head support and can also be referred to as the head region.
- this backrest area is connected to the shoulder area, in an expedient embodiment also articulated.
- the upper backrest region has laterally swing-away partial areas, which are likewise connected to the other side areas. Overall, this results in a forced operation and a forced folding the side areas forward.
- the shoulder area is arranged counter to a restoring force on the backrest support tiltable about the shoulder axis. This is preferably formed by a spring element or a resilient design of the joint between the backrest support and the shoulder area.
- a spring element is arranged between the backrest support and the backrest, which exerts a restoring force on the shoulder region.
- the spring element is formed, for example, as a clamped between backrest support and backrest elastic element, a (pressure) spring or by integral training in the hinge connection.
- the restoring force is expediently adjustable.
- the backrest is formed in accordance with a first preferred embodiment variant by a circumferential and with a fabric, such as a net fabric, covered frame.
- a fabric such as a net fabric, covered frame.
- this has upper, lateral frame parts and lower, lateral frame parts in the lower back region, wherein the frame parts are connected to one another in an articulated manner.
- the upper and lower frame parts are preferably arranged at an angle to each other in such a way that in the lumbar region and thus in particular in the region of the joint between the upper shoulder region of the backrest and the lower
- the lateral frame parts are - viewed in a rear view - also formed laterally outwardly extending at an angle.
- the frame further has a lower and an upper transverse strut, which are in particular bent.
- the upper transverse strut is preferably articulated to the backrest support so that the articulated connection between the shoulder region and the backrest support is formed via this connection.
- the cross struts are still articulated in an expedient embodiment and in particular connected to the above-mentioned vertical axes with the upper frame part or lower frame part. Due to the articulated connection
- the cross braces is therefore created the possibility that the lateral frame parts swivel inward with an inclination of the shoulder region or swivel outwards again in reverse movement sequence. This movement takes place forcibly due to the constraining forces acting on the frame during the tilt adjustment.
- the two frame parts are pivoted in relation to the transverse struts, that they are thus pivoted towards each other and to a central region. This results in the desired support in the lumbar region and the additional lateral support in the side areas.
- the frame is formed in particular only peripherally circumferentially, therefore, has no further support struts for supporting the body.
- the body support takes place exclusively through the fabric cover.
- the transverse struts, in particular the upper cross member, are bent back and preferably do not support the body.
- a lumbar support is additionally arranged, which is connected to the lower cross member. It is preferably mechanically non-rotatably connected, so that the lumbar support automatically follows a movement of the transverse strut. Due to the required length compensation in a buckling of the lumbar region forward usually takes place automatically a rotation of the lateral lower frame part. At this the cross strut is mechanically firmly connected, so that the angular orientation of the lower frame part is transmitted via the lower crossbar on the lumbar support.
- the frame is formed overall as a one-piece frame, for example as a cast or molded plastic part.
- the frame is therefore formed in defined areas by material reductions bending elastic.
- an upper backrest part for the head support is also formed, which is defined by an additional upper frame, which is preferably also formed integrally with the rest of the frame.
- This upper frame receives the upper transverse strut and its lateral frame parts adjoin the lateral frame parts of the shoulder region, in particular on the joint connections defined over the vertical axes.
- the backrest has a plurality of backrest elements pivotably secured together, namely at least one main backrest element defining the shoulder region, and a lower backrest element which is hinged to the lower end of the mainback element and which forms the lower backrest region.
- the individual backrest elements are plate-shaped or cup-shaped or have such.
- the backrest is mosaic-like formed from a plurality of interconnected, plate-like backrest elements.
- lateral cheek elements are preferably hinged to the main backrest element and to the lower backrest element.
- an upper backrest element in addition to the head support in the middle of an upper backrest element and further preferably laterally thereto further cheek elements are formed, which are hingedly connected to the upper back element and at the same time hinged to the cheek elements of the shoulder area.
- the individual backrest elements are each wedge-shaped or trapezoidal in shape, wherein adjacent backrest elements are each arranged in an advantageous manner fallen to each other.
- Both the shoulder region and the lower back region are therefore each formed by three separate backrest elements, which are preferably each formed trapezoidal and fallen to each other.
- the mutually adjacent trapezoidal elements between the shoulder region and the lower back region are also collapsed with respect to one another, so that long sides or short sides are respectively arranged opposite one another.
- the trapezoidal configuration is chosen in particular such that the central region between the cheek elements is tapered in the lordosis. At the same time, the cheek elements are widened in this area.
- the adjoining edges of the backrest elements each define the joints. Due to the approximately trapezoidal or wedge-shaped configuration, therefore, the vertical axes between the central backrest elements and the cheek elements do not run exactly in the vertical direction. If the present case is therefore referred to as a vertical axis, this is merely an approximately vertical orientation, in which a deviation from the exactly vertical alignment of, for example, +/- 30% is made possible. This applies to both variants.
- the individual backrest elements are expediently hingedly connected to one another at their adjoining sides or edges in the manner of film hinges.
- the backrest elements are formed according to a first variant as a single separate plates or shells in a preferred embodiment. These are connected to each other either by a respective elastic flat hinge strip, for example a textile or rubber-elastic material. Alternatively, they are used in a large-area, in particular the entire surface of the backrest elements covering elastic cover (padded cover). It can be sewn into this cushion cover pockets into which the individual plate-shaped backrest elements are inserted.
- a plurality of the backrest elements, in particular the entire backrest formed by a one-piece plastic part (eg injection molding).
- the individual backrest elements are connected to one another via material bridges, ie delimited from one another by notches or material tapers in the one-piece part. These notches at the same time define articulated joints designed in the manner of film hinges. This one-piece plastic backrest is then usually covered with a cushion.
- FIGS. show:
- FIG. 1 is a front perspective view of an office chair according to a first embodiment
- FIG. 2 shows a rear view of the office chair according to FIG. 1, FIG.
- FIG. 3 is a side view of the office chair according to Figure 1 in a normal, upright position of the backrest,
- FIG. 4 is a side view of the office chair of FIG. 1 with inclined backrest
- FIG. 5 is a fragmentary, perspective side view of an office chair according to a second embodiment variant
- FIG. 6 shows a perspective side view of the office chair according to FIG. 5, in which only a shoulder region of the backrest is tilted somewhat backwards, FIG.
- FIG. 5 is a perspective side view of the office chair according to FIG. 5, wherein the backrest is tilted rearwardly about a tilt axis as a whole and, in addition, the shoulder region of the backrest about a shoulder axis in comparison with the situation illustrated in FIG.
- Fig. 8 shows a modified embodiment of an office chair in a perspective side view, in which in addition to the embodiment shown in Fig. 5, an additional lumbar support is arranged.
- like-acting parts are each provided with the same reference numerals.
- the office swivel chair shown in the figures has in both embodiments, each a base support unit 2, to which a seat 4 and a backrest support 6 are attached.
- the backrest support 6 is rotatably mounted on the base support unit 2 about an inclination axis A1.
- the base support unit 2 receives a synchronous mechanism, not shown here. Also included in it is a mechanism for weight adjustment. This can be designed as an automatic weight adjustment or as a manually adjustable weight setting.
- a backrest 8 is fixed, which is divided into several subregions. Thus, it has an upper shoulder region 10 and a lower back region 12. In both embodiments, an upper back region 14 forming a head region adjoins the upper shoulder region 10.
- the backrest 8 has a central region 16, to each side of which a lateral region 18 connects.
- the shoulder region 10 and the lower back region 12 adjoin one another in a lumbar region 20 and are attached to one another via an articulated joint in an articulated manner. They can therefore be inclined to each other about a common axis, hereinafter referred to as lordosis axis A2, so that their angular orientation to each other changes.
- the shoulder region 10 in turn is connected in an articulated manner to the backrest support 6 via a further articulated connection, which permits an inclination of the shoulder region 10 about a horizontal axis, referred to below as a shoulder axis A3.
- a shoulder axis A3 a horizontal axis
- lateral, substantially vertically extending vertical axes namely an upper vertical axis B2 in the shoulder region 10 and a lower vertical axis B2 in the lower back region 12, are formed.
- the Ver- tikalachsen B1.B2 allow pivoting of the lateral areas 18 forward toward the seat 4th
- the backrest 8 is mechanically connected directly to the seat 4.
- a direct connection between the backrest 8 and the seat 4 is formed.
- the seat 4 has a rear, plate-shaped seat part 22, which is mechanically connected to the lower backrest region 12.
- the connection takes place in particular via an articulated connection, wherein at least a certain pivoting mobility is made possible around a connecting axis A4.
- the rear seat part 22 itself is pivotally attached to a front seat part 24 via a further articulated connection about a seat axis A5.
- the two seat parts 22,24 are plate-shaped or cup-shaped and form in particular a two-part seat support, which ultimately carries the padding.
- the backrest 8 is formed by a plurality of plate-shaped or shell-shaped back elements, namely a main back element 28, which forms the middle region of the shoulder region 10, a lower back element 30, which forms the middle lower back region 12, an upper backrest element 32 which forms the middle upper backrest region 14.
- These three backrest elements 28,30,32 are each connected to each other via horizontally extending joints.
- the main backrest element 28 and the lower backrest element 30 are connected to one another in an articulated manner about the lordosis axis A2.
- the upper backrest element 32 is connected to the main backrest element 28 about a head axis A6 tiltably connected to the main backrest element 28.
- a side cheek element 34 connects to each of these backrest elements 28 to 32. These are each hingedly connected to adjacent cheek elements 34. As can be seen in particular from the side views of FIGS. 3 and 4, the cheek elements 34 extend laterally forward toward the seat 4, are therefore oriented at an angle to the back elements 28 to 32 of the central region 16.
- the individual backrest elements 28 to 34 each have a trapezoidal or wedge or triangular base surface, so that they taper from a long side to a short side or taper to a point.
- the individual backrest elements 28 to 34 are each arranged in a downward position with respect to each other, so that - viewed in the vertical direction - adjacent backrest elements 28 to 34 abut each other on their long sides and short sides, respectively.
- a waist is formed in the lordosis region 20.
- the cheek elements 34 are here pulled laterally forward.
- the rear seat portion 22 is in the connection region to the lower backrest portion 12, ie in the region of the connecting axis A4, at an inclination of the shoulder region 10th pulled backwards in about vertical direction. At the same time there is a pivotal movement of the rear seat portion 22 relative to the front seat portion 24. The rear seat portion 22 is therefore obliquely upward tracked as soon as an inclination of the shoulder portion 10 about the shoulder axis A3.
- the shoulder axis A3 is generally formed approximately in the upper third of the shoulder region.
- a tilt adjustment of the shoulder region 10 takes place simultaneously with an inclination position of the entire backrest 8 relative to the base support unit 2, that is, at an inclination of the backrest support 6 about the inclination axis A1.
- Such a combined inclination is shown in FIG. 4 as compared to FIG. Starting from the starting position shown in Fig. 3 with the backrest support 6 in an upright basic position, carried out at a tilt adjustment in Fig. 4 indicated by the arrows 36 rotational movements of the individual elements about the respective axes A1 to A6.
- the shoulder region 10 Due to the inclination of the backrest 8 about the inclination axis A1, the shoulder region 10 is pulled obliquely rearward on the shoulder axis A3. As a result, the backrest is stretched in comparison to the starting situation illustrated in FIG. 3, so that the shoulder region 10 about the shoulder axis A3 inclines forward in the direction of the seat 4, whereby the angle between the shoulder region and the lower back region 12 is increased , As a result, the rear seat part 22 is pulled down in the direction of the backrest support 6 overall. The angle between the rear seat part 22 and the lower back region 12, which is almost rectangular in the starting situation shown in FIG. 3, is somewhat reduced.
- an interconnected joint or link chain is formed by the individual axes A1 to A6, which in a tilting Position to a desired forced adaptation of the contour of the backrest 8 leads.
- the spring force of the spring element 26 is oriented such that it counteracts an extension of the backrest 8 during the transition from the upright position into the inclined position shown in FIG.
- the mode of operation is basically the same. Again, therefore, a link chain or link chain is formed, which leads to a forced operation and forced adaptation of the contour of the backrest at an inclination.
- the backrest 8 rather consists of a frame 38, which is formed by lower frame parts 40 in the lower back region 12, upper frame members 42 in the shoulder region 10, a lower cross member 44 and an upper cross member 46.
- the upper cross member 46 also forms a lower cross member a head frame 48 in the region of the upper backrest region 14.
- the head frame 48 has, in continuation of the upper frame parts 42, opposite side parts 50 and a further, uppermost transverse strut 52.
- the upper transverse strut 46 and the further, uppermost transverse strut 52 are in this case bulged towards the rear.
- the frame parts 40,42 are - viewed from the side - arranged at an angle to each other, so that the lumbar region 20 is bulged forward.
- the frame 38 is covered with a fabric 54 as a whole.
- a fabric 54 as a whole.
- ie material tapers 56 are in the frame 38 notches.
- corresponding, vertically oriented indentations 56 are formed at the transition of the upper frame part 42 to the upper transverse strut 46 and the lower frame part 40 to the lower transverse strut 44.
- the upper cross member 46 is connected to a front end of the backrest support 6, wherein at this connection point a pivoting movement between the upper cross member 46 and the backrest support 6 is made possible, whereby the shoulder axis A3 is defined.
- a lumbar support 58 is additionally arranged, which is connected in a rotationally fixed manner to the lower transverse strut 44 via a holding web.
- FIG. 6 shows a position in which only an inclination of the shoulder portion 10 about the shoulder axis A3 takes place (no inclination about the inclination axis A1). That the head frame 48 has tilted backwards and is now in an approximately upright position, after previously the head frame 48 was inclined forward. The fabric 54 is therefore pulled slightly upwards overall. The required length compensation takes place via the rear seat part 22, which is pulled up around the seat axis A5. At the same time a change in the angular position between the rear seat part 22 and the lower backrest part 12 can take place, which are preferably held elastically to each other about the connecting axis A4. In the exemplary embodiment, no change in the angular position between the two frame parts 40, 42 takes place in this illustrated movement starting from FIG. 5 toward FIG. 6. So there is no rotation around the lordosis axis A2.
- FIG. 7 shows a superimposed combined inclination adjustment, in which both the shoulder region 10 -as in FIG. 6 -is tilted back about the shoulder axis A3 and at the same time the backrest 8 is tilted overall about the rear. tion axis A1 is tilted backwards. Similar to the situation in the first embodiment according to FIG. 4, the backrest 8 is stretched downwards, whereby the rear seat part 22 swings downwards in comparison to the starting situation illustrated in FIG. 5. At the same time, the shoulder region 10 tilts backwards. As a result of this stretching, the lateral frame parts 40, 42 swivel inward about the vertical axes B1.B2 and produce a better lateral guidance.
- the lordosis in the lordosis area 20 is additionally supported by the lumbar support 58.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012207467 | 2012-05-04 | ||
PCT/EP2013/001241 WO2013164078A1 (de) | 2012-05-04 | 2013-04-25 | Stuhl, insbesondere bürostuhl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2844109A1 true EP2844109A1 (de) | 2015-03-11 |
EP2844109B1 EP2844109B1 (de) | 2017-08-30 |
Family
ID=48520879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13725059.3A Active EP2844109B1 (de) | 2012-05-04 | 2013-04-25 | Stuhl, insbesondere bürostuhl |
Country Status (5)
Country | Link |
---|---|
US (1) | US9609952B2 (de) |
EP (1) | EP2844109B1 (de) |
JP (4) | JP6067104B2 (de) |
CN (1) | CN104470404B (de) |
WO (1) | WO2013164078A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104736017B (zh) * | 2012-10-18 | 2017-04-05 | 株式会社冈村制作所 | 椅子 |
DE102015102007B3 (de) * | 2015-02-12 | 2016-07-28 | Wilkhahn Wilkening + Hahne Gmbh + Co. | Sitzmöbel |
US10194750B2 (en) | 2015-04-13 | 2019-02-05 | Steelcase Inc. | Seating arrangement |
US11259637B2 (en) | 2015-04-13 | 2022-03-01 | Steelcase Inc. | Seating arrangement |
AU2016247797B2 (en) | 2015-04-13 | 2019-08-01 | Steelcase Inc. | Seating arrangement |
US10966527B2 (en) | 2017-06-09 | 2021-04-06 | Steelcase Inc. | Seating arrangement and method of construction |
CN105235555A (zh) * | 2015-10-21 | 2016-01-13 | 无锡惠山泵业有限公司 | 一种新型汽车旋转椅 |
JP2017086368A (ja) * | 2015-11-09 | 2017-05-25 | 株式会社イトーキ | 椅子 |
JP6997502B2 (ja) * | 2015-11-09 | 2022-02-04 | 株式会社イトーキ | 椅子の背もたれ |
JP6817694B2 (ja) * | 2015-11-09 | 2021-01-20 | 株式会社イトーキ | 椅子 |
JP6770306B2 (ja) * | 2015-11-09 | 2020-10-14 | 株式会社イトーキ | 椅子の身体支持体 |
JP6990561B2 (ja) * | 2017-11-06 | 2022-01-12 | 株式会社イトーキ | 椅子 |
JP7023084B2 (ja) * | 2017-11-06 | 2022-02-21 | 株式会社イトーキ | 椅子 |
JP7015146B2 (ja) * | 2017-11-06 | 2022-02-02 | 株式会社イトーキ | 椅子 |
JP7141206B2 (ja) * | 2017-11-06 | 2022-09-22 | 株式会社イトーキ | 椅子の体圧支持体及びその例としての背もたれ |
CN109247736A (zh) * | 2018-07-13 | 2019-01-22 | 刘吉达 | 一种医院缴费窗口的等候椅 |
US10820703B2 (en) * | 2018-09-17 | 2020-11-03 | Sedus Stoll Ag | Chair, particularly conference or office chair, and method for manufacturing a chair |
EP3927215A4 (de) | 2019-02-21 | 2023-03-15 | Steelcase Inc. | Körperstützanordnung und verfahren zur verwendung und montage davon |
JPWO2020255195A1 (de) * | 2019-06-17 | 2020-12-24 | ||
US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
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-
2013
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- 2013-04-25 US US14/398,551 patent/US9609952B2/en active Active
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2016
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JP2016105787A (ja) | 2016-06-16 |
JP6110521B2 (ja) | 2017-04-05 |
US9609952B2 (en) | 2017-04-04 |
EP2844109B1 (de) | 2017-08-30 |
WO2013164078A1 (de) | 2013-11-07 |
JP6110520B2 (ja) | 2017-04-05 |
JP2016073806A (ja) | 2016-05-12 |
CN104470404A (zh) | 2015-03-25 |
JP6152175B2 (ja) | 2017-06-21 |
JP2016093536A (ja) | 2016-05-26 |
JP2015519111A (ja) | 2015-07-09 |
CN104470404B (zh) | 2019-07-05 |
JP6067104B2 (ja) | 2017-01-25 |
US20150091353A1 (en) | 2015-04-02 |
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