EP3576573B1 - Siège - Google Patents
Siège Download PDFInfo
- Publication number
- EP3576573B1 EP3576573B1 EP18706657.6A EP18706657A EP3576573B1 EP 3576573 B1 EP3576573 B1 EP 3576573B1 EP 18706657 A EP18706657 A EP 18706657A EP 3576573 B1 EP3576573 B1 EP 3576573B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- chair
- case
- joints
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 210000002414 leg Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
Images
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
- A47C7/405—Support for the head or the back for the back with double backrests
-
- 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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03277—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs
- A47C1/03279—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs of torsion type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
-
- 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
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
-
- 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
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
- A47C7/444—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- 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
- 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
- A47C7/4454—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 of torsion type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—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
- A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks
-
- 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
- A47C7/48—Support for the head or the back for the back of freely-rotatable type
Definitions
- the invention relates to a chair, in particular an office chair, with a backrest that can be pivoted sideways.
- DE 10 2011 104 972 A1 describes a piece of seating furniture, in particular an office chair, with a seat support for a seat surface and with a backrest support for a backrest, which is held laterally tiltable on the seat support, the backrest support having two laterally flexible and / or articulated support arms spaced apart from one another.
- DE 10 2011 001 811 A1 describes a chair with a seat and a seat mechanism, the seat being coupled to the seat mechanism in such a way that the seat is mounted in a front end area so as to be pivotable about a first axis of rotation which is oriented parallel to the knee axis of a user. Furthermore, in its front end region, the seat is also mounted on the seat mechanism so as to be rotatable about a second axis of rotation oriented perpendicular to the first axis of rotation.
- DE 10 2012 107 778 A1 describes a chair, in particular an office chair, with a seat plate that is arranged on an underframe, and a backrest, which allows a synchronous movement of the seat plate and backrest in the manner of a so-called synchronous mechanism, the seat plate being tilted laterally and the backrest comprising two backrest supports , the lower ends of which are pivotably mounted independently of one another on the underframe and on the seat plate are coupled in movement in such a way that one side of the seat plate is depressed by pivoting the support backwards on the same side and the opposite side is raised.
- U.S. 5,022,709 A describes a spring and clasping element for a seat and / or a backrest comprising a pair of support means and a flexible sheet attached to the support means; wherein the flexible sheet comprises a central portion which is convex to the load-bearing direction of the element, and the two side walls extend outwardly from the central portion and are inclined to this direction; wherein the side walls are attached in the middle to the support means by connecting means which at least approximately form a hinge.
- An office chair as exemplified in the Fig. 1 and 8th is shown is a rotatable chair with a seat 7 and a backrest 6, which can also have armrests 5.
- the office chair is mounted on rollers 2, which are attached to a so-called base 1, which has five arms in the example shown.
- a gas pressure spring 3 In the middle of the base 1 there is a gas pressure spring 3 with which the seat height of the office chair can be adjusted.
- the chair mechanism 4 can be designed, for example, as a so-called synchronous mechanism that couples the backrest 6 to the seat surface 7, an inclination of the backrest 6 typically causing the seat surface 7 to incline somewhat less.
- Office chairs are also known in which the backrest 6 can not only be swiveled back and forth when a user leans against it, but which can also be swiveled sideways, for example about a horizontal axis of rotation, which can be realized by a joint arranged behind the seat surface 7 can.
- the backrest 6 is held in the upright position by a restoring element such as a spring or the like or moved back into the upright position when the backrest 6 has been deflected from the upright position.
- a restoring element such as a spring or the like
- the backrest 6 should be pivotably mounted on two axes of rotation 10 parallel to one another. This results in a different course of movement of the backrest 6 compared to known chairs with a sideways pivoting backrest 6.
- the backrest 6 can be deformed by the selected type of mounting during the pivoting movement, whereby a three-dimensional movement of the backrest 6 and the generation of a restoring force can be achieved .
- the axes of rotation 10 are attached to a common base plate 9 and the base plate 9 is detachably attached to a chair mechanism 4 coupling the backrest 6 to the seat surface 7. This makes it possible to use commercially available To use chair mechanisms 4, in which the attachment of the backrest 6 to two joints is not actually provided.
- the axes of rotation 10 form an acute angle ⁇ with a horizontal plane.
- the joints 8 are each operatively connected to a restoring element 12.
- a restoring element 12 act in the opposite direction, i.e. one restoring element 12 counteracts a deflection to the left and the other restoring element counteracts a deflection to the right.
- the restoring elements 12 are pretensioned when the backrest 6 is in an upright position. It is thereby achieved that the restoring force, which counteracts a lateral deflection of the backrest 6, is increased.
- the seat back 6 has a frame which has an interruption in the area between the joints 8. This The interruption has the result that the backrest 6 can more easily deform elastically in the event of a lateral deflection, and such deformation creates an additional massage effect on the user's back. Such massage effects are very desirable because they counteract user fatigue and the development of back pain.
- At least one elastic element 14 is arranged in the interruption.
- this elastic element allows elastic deformation as described above within certain limits, it also increases the restoring force counteracting a lateral deflection.
- the elastic element can serve, on the one hand, to create the visual impression of an uninterrupted frame and, on the other hand, to assist in the fastening of a cover material for the backrest 6, for example.
- Such an elastic element can be, for example, a two-component component made of different elastic, ie differently difficult to deform plastics. Two material strips of a first plastic, which is comparatively hard and therefore difficult to deform, can enclose between them a material strip of a second, comparatively soft and therefore easily deformable plastic.
- the two harder strips of material can be used to fasten the elastic element 14 to the left and right of the interruption in the frame of the backrest 6 on this frame, for example to screw it on.
- the softer strip of material located in between then serves to allow a deformation of the backrest 6, but this deformation does Counteract restoring force.
- the seat back has a frame which has an interruption in the area between the joints.
- At least one elastic element 14 can be arranged in this interruption.
- the interruption is filled by the elastic element 14.
- It can be, for example, a silicone rubber, polyurethane (PU) or similar rubber-elastic materials.
- PU polyurethane
- a plurality of elastic elements 14 can also be arranged in the interruption which connect the two opposite edges of the interruption to one another. In this way, on the one hand, interesting aesthetic effects can be achieved, on the other hand, a fine coordination of the force effect of the elastic elements 14 on the two opposite edges of the interruption can be achieved.
- Fig. 3 shows a chair mechanism 4, at the rear end of which the joints 8 are arranged.
- the Figures 4 and 5 show the Joint arrangement isolated and from two different perspectives.
- a base plate 9 is attached to the rear end of the chair mechanism 4, to which two axes of rotation 10 are attached on one side.
- a fastening block 11 is seated on each axis of rotation 10 and is thus rotatable about the axis of rotation 10.
- the two fastening blocks 11 each have a recess on their underside, in each of which a reset element 12 is arranged.
- the restoring elements 12 are designed as leg springs, each of which is supported by a first leg on its fastening block 11.
- Leg springs also known as torsion springs, are mechanical energy storage devices that absorb a torque when the legs are angularly / rotationally moved, which they release again when they are released.
- a stop element 13 is arranged between the two axes of rotation 10, on which the two restoring elements 12 are each supported with a second leg.
- a rotation of a fastening block 11 on the associated axis of rotation 10 thus leads to the associated restoring element 12 building up a restoring force which is opposite to the rotation of the fastening block 11.
- the restoring elements 12 act in the opposite direction.
- the resetting elements 12 can be pretensioned when the backrest is in an upright position.
- the preload can also be adjustable.
- joints 8 can also be designed differently than in the exemplary embodiment shown here.
- Fig. 6 shows a three-dimensional representation of the chair mechanism 4 with the joints 8 arranged thereon.
- the axes of rotation 10 of the joints 8 enclose an acute angle ⁇ with a horizontal plane. This results in a three-dimensional form of movement of the backrest 6 with respect to the seat surface 7, which is shown in FIG Fig. 7 is shown schematically in a view from behind and a view from above.
- the base plate 9 is a bent sheet metal part, the upper edge of which is designed so that the base plate 9 can be hooked into the chair mechanism 4 on its rear side.
- This connection between the base plate 9 and the chair mechanism 4 is secured by a locking screw (not shown) which is inserted into a threaded hole 15 provided on the underside of the base plate 9 for this purpose.
- the joints 8 do not have any separate fastening blocks which can be rotated about the axes of rotation 10.
- the axes of rotation 10 are directly connected to the two lower extensions of the backrest 6.
- the lower extensions of the backrest 6 have bores into which the axes of rotation 10 are inserted.
- locking pins 17 are arranged in aligned bores 16 of the backrest 6 and the axes of rotation 10.
- two spring locking clips 18 are arranged on the axes of rotation 10.
- the adapter formed by the base plate 9, the axes of rotation 10 and the stop element 13 for attaching the backrest 6 to the chair mechanism 4 is covered by the adapter cover 19 and thus not visible from the outside.
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)
Claims (5)
- Chaise, en particulier chaise de bureau, comprenant une surface d'assise (7) et un dossier (6) pouvant pivoter latéralement, dans laquelle• le dossier (6) est fixé au niveau de deux articulations (8) qui présentent des axes de rotation (10) parallèles l'un à l'autre,• les axes de rotation (10) sont montés d'un côté sur une plaque de base commune (9) et forment avec un plan horizontal un angle aigu (α),• la plaque de base (9) est montée de manière amovible à l'extrémité arrière d'un mécanisme de chaise (4) accouplant le dossier (6) à la surface d'assise (7),• les articulations (8) sont en liaison fonctionnelle avec un élément de rappel respectif (12) réalisé sous forme de ressort de torsion, lesquels ressorts de torsion agissent dans la direction opposée,• sur chaque axe de rotation (10) repose un bloc de fixation (11) pouvant tourner autour de celui-ci, et• les blocs de fixation (11) présentent au niveau de leur côté inférieur un évidement respectif dans lequel est disposé à chaque fois un ressort de torsion (12) qui s'appuie à chaque fois par une première branche contre son bloc de fixation (11) .
- Chaise selon la revendication 1, dans laquelle les éléments de rappel (12) sont précontraints dans la position verticale du dossier (6).
- Chaise selon la revendication 1 ou 2, dans laquelle le dossier du siège (6) présente un cadre qui présente une interruption dans la région entre les articulations (8).
- Chaise selon la revendication 3, dans laquelle au moins un élément élastique (14) est disposé dans l'interruption.
- Chaise selon la revendication 4, dans laquelle l'élément élastique (14) est un élément à deux composants constitués de différentes matières plastiques élastiques.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017102148 | 2017-02-03 | ||
PCT/EP2018/052821 WO2018141968A1 (fr) | 2017-02-03 | 2018-02-05 | Siège |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3576573A1 EP3576573A1 (fr) | 2019-12-11 |
EP3576573B1 true EP3576573B1 (fr) | 2021-04-07 |
Family
ID=61258188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18706657.6A Active EP3576573B1 (fr) | 2017-02-03 | 2018-02-05 | Siège |
Country Status (4)
Country | Link |
---|---|
US (1) | US10945529B2 (fr) |
EP (1) | EP3576573B1 (fr) |
CN (1) | CN110430787B (fr) |
WO (1) | WO2018141968A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6978433B2 (ja) * | 2016-12-21 | 2021-12-08 | コクヨ株式会社 | 椅子 |
WO2019204714A1 (fr) | 2018-04-19 | 2019-10-24 | Cramer Llc | Chaise dotée d'un dossier pliable et procédé associés |
WO2020079840A1 (fr) * | 2018-10-19 | 2020-04-23 | コクヨ株式会社 | Chaise |
DE102019122164A1 (de) * | 2019-08-19 | 2021-02-25 | Viasit Bürositzmöbel Gmbh | Stuhl |
EP4108135A1 (fr) * | 2021-06-23 | 2022-12-28 | L&P Property Management Company | Mécanisme de mouvement pour chaise et chaise |
IT202100024041A1 (it) * | 2021-09-20 | 2023-03-20 | Ivars S P A | Inserto di assieme di movimentazione dello schienale di una sedia e assieme di movimentazione comprendente detto inserto |
CN114468638A (zh) * | 2021-12-30 | 2022-05-13 | 圣奥科技股份有限公司 | 一种全动态座椅 |
DE202023100146U1 (de) | 2023-01-12 | 2024-04-16 | Armin Sander | Sitzmöbel |
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US148380A (en) * | 1874-03-10 | Improvement in chair-backs | ||
FR1539855A (fr) * | 1967-08-03 | 1968-09-20 | Fabrication Et De Transformati | Perfectionnements aux fauteuils à usage dentaire |
IT1140741B (it) * | 1980-02-29 | 1986-10-01 | Antonio Pisanu | Poltrona anatomica asimmetrica,particolarmente per uso odontoiatrico |
IT1219016B (it) * | 1988-02-12 | 1990-04-24 | Tis Tecnologia Innovazione Sti | Elemento di molleggio e contenimento laterale per una seduta e o uno schienale di un sedile e sedile in corporante tale elemento |
US6059363A (en) * | 1997-04-30 | 2000-05-09 | Haworth, Inc. | Chairback with side torsional movement |
US5951109A (en) * | 1997-04-30 | 1999-09-14 | Haworth, Inc. | Chairback with side torsional movement |
DE29802360U1 (de) * | 1998-02-12 | 1999-06-10 | Vogtherr, Burkhard, Mulhouse | Funktionsstuhl |
US6523895B1 (en) * | 1999-02-05 | 2003-02-25 | Davis Furniture Industries, Inc. | Ergonomic chair |
DE19915003A1 (de) * | 1999-04-01 | 2000-10-05 | Michael Stips | Sitzvorrichtung und Verfahren zu ihrer Steuerung |
IT1308074B1 (it) * | 1999-06-04 | 2001-11-29 | Pro Cord Srl | Sedia con sedile e schienale oscillanti in modo sincronizzato |
CN2514721Y (zh) * | 2001-12-29 | 2002-10-09 | 胜泰工业股份有限公司 | 摇椅遮阳篷调整器 |
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DE202005006980U1 (de) * | 2005-04-28 | 2006-09-07 | Bock 1 Gmbh & Co. Kg | Sitzmöbel, insbesondere Bürostuhl |
US7416251B2 (en) * | 2005-06-10 | 2008-08-26 | Global Total Office | Chair |
JP5002835B2 (ja) * | 2005-10-27 | 2012-08-15 | コクヨ株式会社 | 部材の接続構造 |
JP4719905B2 (ja) * | 2005-10-27 | 2011-07-06 | コクヨ株式会社 | 椅子 |
JP4747311B2 (ja) * | 2005-11-11 | 2011-08-17 | コクヨ株式会社 | 椅子 |
JP4945781B2 (ja) * | 2005-11-11 | 2012-06-06 | コクヨ株式会社 | 椅子 |
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EP2348226A1 (fr) * | 2010-01-22 | 2011-07-27 | Stoll Giroflex AG | Elément de ressort de torsion en élastomère, dispositif destiné à la transmission de puissance doté d'un élément de ressort de torsion en élastomère et dispositif de siège doté d'un dispositif de transmission de puissance |
DE102011105290A1 (de) * | 2010-06-15 | 2011-12-15 | Claudia Plikat | "Stuhl" |
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WO2014198255A1 (fr) * | 2013-06-12 | 2014-12-18 | Stefan Brodbeck | Chaise |
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DE102014103780B3 (de) * | 2014-03-19 | 2015-06-18 | Wilkhahn Wilkening + Hahne Gmbh + Co. | Stuhl |
DE102014011885B4 (de) * | 2014-08-13 | 2022-11-17 | Grammer Aktiengesellschaft | Fahrzeugsitz mit veränderbarer Rückenlehne |
DE102014011884B4 (de) * | 2014-08-13 | 2018-05-30 | Grammer Aktiengesellschaft | Fahrzeugsitz mit veränderbarer Rückenlehne |
DE102014220695A1 (de) * | 2014-10-13 | 2016-04-28 | Haworth Gmbh | Stuhl, insbesondere Bürostuhl |
NO2729541T3 (fr) * | 2015-01-30 | 2018-06-02 | ||
US10272282B2 (en) * | 2016-09-20 | 2019-04-30 | Corecentric LLC | Systems and methods for providing ergonomic chairs |
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2018
- 2018-02-05 WO PCT/EP2018/052821 patent/WO2018141968A1/fr unknown
- 2018-02-05 CN CN201880017773.7A patent/CN110430787B/zh active Active
- 2018-02-05 EP EP18706657.6A patent/EP3576573B1/fr active Active
- 2018-02-05 US US16/483,453 patent/US10945529B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
CN110430787B (zh) | 2023-09-12 |
CN110430787A (zh) | 2019-11-08 |
WO2018141968A1 (fr) | 2018-08-09 |
EP3576573A1 (fr) | 2019-12-11 |
US20200029695A1 (en) | 2020-01-30 |
US10945529B2 (en) | 2021-03-16 |
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