EP3576573A1 - Siège - Google Patents
SiègeInfo
- Publication number
- EP3576573A1 EP3576573A1 EP18706657.6A EP18706657A EP3576573A1 EP 3576573 A1 EP3576573 A1 EP 3576573A1 EP 18706657 A EP18706657 A EP 18706657A EP 3576573 A1 EP3576573 A1 EP 3576573A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- chair
- rotation
- chair according
- axes
- 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
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 210000002414 leg Anatomy 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 230000000007 visual effect Effects 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
- 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 a
- Office chair with a sideways pivoting backrest.
- An office chair as exemplified in Figs. 1 and 8, is a rotatable chair with a
- 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 spring 3 is arranged, with which the seat height of the office chair can be adjusted.
- a chair mechanism 4 on which the backrest 6, the seat 7, and armrests 5 are mounted.
- the chair mechanism 4 may, for example, as a so-called Synchronous mechanism be executed, which couples the backrest 6 with the seat surface 7, wherein a tilt of the backrest
- Fig. 6 shows a typically slightly lower inclination of the seat surface
- the backrest 6 is held by a return element such as a spring or the like in the upright position or moved back into the upright position when the backrest 6 has been deflected from the upright position.
- a return element such as a spring or the like
- both the restoring element and the backrest 6 are force-free in the upright position.
- the backrest 6 is to be pivotally mounted on two mutually parallel axes of rotation. This results in a comparison with known
- the backrest 6 can deform by the selected type of storage during the pivoting movement, whereby a three-dimensional movement of the backrest 6 and the generation of a
- the axes of rotation 10 may for example be attached to a common base plate 9 and the base plate. 9 in turn, at a backrest 6 with the
- Seat 7 coupling chair mechanism 4 may be attached, for example, detachable. This would also make it possible to use commercially available chair mechanisms 4 in which the attachment of the backrest 6 to two joints is not actually provided.
- the axes of rotation 10 enclose an acute angle with a horizontal plane.
- the joints 8 are operatively connected to one return element 12 each.
- Backrest 6 as explained above, generates a restoring force which counteracts a lateral deflection of the backrest 6, it may be advantageous, this
- additional restoring elements 12 or reinforce. It can further be provided that the return elements 12 act in the opposite direction, i. the one return element 12 counteracts a deflection to the left and the other return element counteracts a deflection to the right.
- the return elements 12 are prestressed in the upright position of the backrest 6. This ensures that the restoring force, which counteracts a lateral deflection of the backrest 6, is reinforced.
- the seat back 6 has a frame which has an interruption in the region between the joints 8.
- Breakage causes the backrest 6 can deform easily elastic in a lateral deflection and generated by such a deformation an additional massage effect on the back of the user.
- Such massage effects are highly desirable because they reduce user fatigue and the development of back pain
- At least one elastic element 14 is arranged in the interruption.
- this elastic element allows, within certain limits, an elastic deformation as described above, it also reinforces that of a lateral deflection
- elastic element serve on the one hand to produce the visual impression of a non-interrupted frame and on the other hand, for example, in the attachment of a
- such elastic member may be a two-component member made of different elastic, i. be difficult to deform plastic materials.
- two strips of material of a first plastic which is relatively hard and therefore difficult to deform
- Material strips can serve to the elastic element 14 left and right of the interruption of the frame of the
- the seat back has a frame, which in the region between the joints a
- At least one elastic element 14 may be arranged.
- the interruption is through the
- filled elastic element 14 It may be, for example, a silicone rubber, polyurethane (PU) or the like rubber-elastic materials.
- a plurality of elastic elements 14 may be arranged in the interruption, the two
- FIG. 3 shows a chair mechanism 4, at the rear end of the joints 8 are arranged.
- FIGS. 4 and 5 show the joint arrangement free and from two different viewing directions.
- a base plate 9 is mounted in this particular embodiment, are attached to the two axes of rotation 10 on one side.
- Rotary axis 10 is seated a mounting block 11, which is thereby rotatable about the axis of rotation 10.
- the two mounting blocks 11 each have on their underside a recess, in each of which a return element 12 is arranged.
- the return elements 12 are designed as torsion springs, each with a first leg on her
- Torsionally called torsion springs are mechanical energy stores that absorb a torque at an angle / rotational movement on the legs, which they release again when relaxing.
- a stop element 13 is arranged between the two axes of rotation 10, on which the two return elements 12 are supported in each case with a second leg. A twist of one
- Mounting block 11 on the associated axis of rotation 10 thus results in that the associated return element 12 builds up a restoring force, the rotation of the
- Fixing block 11 is opposite. From the
- the return elements 12 may be biased in the upright position of the backrest.
- the bias voltage can also be adjustable. It is understood that the joints 8 can also be designed differently than in the embodiment shown here.
- base plate 9 axes of rotation 10
- mounting blocks 11 and return elements 12 is by no means mandatory.
- the movable part of a joint 8 may also be part of the backrest 6.
- Fig. 6 shows a three-dimensional representation of
- the base plate 9 is in this case a sheet metal bent part whose upper edge is formed so that the base plate 9 can be hung in the chair mechanism 4 at the rear. This connection is secured between the Base plate 9 and the chair mechanism 4 by a (not shown) locking screw which is inserted into a threaded bore 15 which is provided on the underside of the base plate 9 for this purpose.
- the joints 8 have no separate mounting blocks in this embodiment, which are rotatable about the axes of rotation 10. Instead, the axes of rotation 10 are directly connected to the two lower foothills of the backrest 6. For this purpose, the lower extensions of the backrest 6
- two spring retaining clips 18 are arranged on the rotary axes 10.
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)
Abstract
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 true EP3576573A1 (fr) | 2019-12-11 |
EP3576573B1 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 |
---|---|---|---|---|
EP3560386B1 (fr) * | 2016-12-21 | 2023-03-22 | Kokuyo Co., Ltd. | Chaise |
WO2019204714A1 (fr) * | 2018-04-19 | 2019-10-24 | Cramer Llc | Chaise dotée d'un dossier pliable et procédé associés |
US11533998B2 (en) * | 2018-10-19 | 2022-12-27 | Kokuyo Co., Ltd. | Chair |
DE102019122164A1 (de) * | 2019-08-19 | 2021-02-25 | Viasit Bürositzmöbel Gmbh | Stuhl |
EP4108135B1 (fr) * | 2021-06-23 | 2024-08-07 | 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 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7165811B2 (en) * | 2002-09-12 | 2007-01-23 | Steelcase Development Corporation | Control mechanism for seating unit |
DE10306851A1 (de) * | 2003-02-18 | 2004-08-26 | Dózsa-Farkas, Andras | Stuhl, insbesondere Büro- oder Arbeitsstuhl |
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 |
JP4614088B2 (ja) * | 2005-11-11 | 2011-01-19 | コクヨ株式会社 | バネの取付構造 |
JP4945781B2 (ja) * | 2005-11-11 | 2012-06-06 | 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 |
DE102006030018A1 (de) * | 2006-06-29 | 2008-01-03 | Grahl Working Well Gmbh | Rückenlehne für einen Stuhl oder Sessel und mit einer derartigen Rückenlehne ausgerüsteter Stuhl oder Sessel |
ITTO20070398A1 (it) * | 2007-06-06 | 2008-12-07 | Malenotti S R L | "sedia con schienale oscillante" |
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 |
WO2011157392A1 (fr) * | 2010-06-15 | 2011-12-22 | Claudia Plikat | Chaise |
DE102011001811A1 (de) * | 2011-04-05 | 2012-10-11 | Wilkhahn Wilkening + Hahne Gmbh + Co. Kg | Stuhl |
DE102011104972B4 (de) * | 2011-06-08 | 2015-03-05 | Haworth, Inc. | Sitzmöbel, insbesondere Bürostuhl |
DE102012107778B4 (de) * | 2012-08-23 | 2018-08-16 | Haworth Gmbh | Stuhl, insbesondere Bürostuhl |
DE102012109710A1 (de) * | 2012-10-11 | 2014-06-12 | Grammer Ag | Fahrzeugsitz mit veränderbarer Rückenlehnenform |
MY187897A (en) * | 2013-06-12 | 2021-10-27 | Stefan Brodbeck | Chair |
US9480340B1 (en) * | 2013-09-17 | 2016-11-01 | Corecentric LLC | Systems and methods for providing ergonomic exercise chairs |
DE102014103780B3 (de) * | 2014-03-19 | 2015-06-18 | Wilkhahn Wilkening + Hahne Gmbh + Co. | Stuhl |
DE102014011884B4 (de) * | 2014-08-13 | 2018-05-30 | Grammer Aktiengesellschaft | Fahrzeugsitz mit veränderbarer Rückenlehne |
DE102014011885B4 (de) * | 2014-08-13 | 2022-11-17 | 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 |
-
2018
- 2018-02-05 EP EP18706657.6A patent/EP3576573B1/fr active Active
- 2018-02-05 CN CN201880017773.7A patent/CN110430787B/zh active Active
- 2018-02-05 US US16/483,453 patent/US10945529B2/en active Active
- 2018-02-05 WO PCT/EP2018/052821 patent/WO2018141968A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
EP3576573B1 (fr) | 2021-04-07 |
CN110430787B (zh) | 2023-09-12 |
US10945529B2 (en) | 2021-03-16 |
CN110430787A (zh) | 2019-11-08 |
US20200029695A1 (en) | 2020-01-30 |
WO2018141968A1 (fr) | 2018-08-09 |
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