EP2822424A1 - Funktionsstuhl - Google Patents
FunktionsstuhlInfo
- Publication number
- EP2822424A1 EP2822424A1 EP13719717.4A EP13719717A EP2822424A1 EP 2822424 A1 EP2822424 A1 EP 2822424A1 EP 13719717 A EP13719717 A EP 13719717A EP 2822424 A1 EP2822424 A1 EP 2822424A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- functional chair
- seat
- chair according
- seat part
- kragteil
- 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
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
- A47C1/031—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
- A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
-
- 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
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
-
- 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
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
-
- 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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/42—Supports for the head or the back for the back of detachable or loose 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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/44—Supports for the head or the back for the back with elastically-mounted frame
- A47C7/443—Supports for the head or the back for the back with elastically-mounted 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
- A47C7/54—Supports for the arms
Definitions
- the invention relates to a functional chair according to the preamble of claim 1.
- a seat portion and a backrest portion of the seat are mutually displaceable and / or adjustable.
- a functional chair of the type mentioned is to be developed so that it further allows the adjustability of the seat, but on the other hand take place in the transition region between the seat portion and backrest portion no translational relative movements.
- CONFIRMATION COPY section a substantially constant relative position and relative tilt. This constant relationship would be
- seat section and backrest section made of rigid material. If one manufactures her from elastically deformable material, minor changes in the enclosed between the seat portion and backrest portion angle can be made against spring force. With the functional chair according to the invention, it is possible to lower the rear end of the seat surface portion, wherein the front edge of the seat surface portion in
- the backrest portion is inclined in accordance with the inclination adjustment of the seat portion.
- the specified mechanism allows the desired adjustment of the seat reliably and with simple
- Tilting movements is well supported around an axis extending in the depth direction. It allows a connection between the free ends of the support arms to ensure a strong load bearing support with low material usage.
- the seat against spring force from its normal position is movable out, in which its seat part is aligned approximately horizontally.
- the already provided for guiding the front end of the seat part pin / slot connection can also serve to lock the seat in its normal position with approximately horizontally extending seat.
- the truss connecting the cantilevers can serve at the same time as spring seat and base part for mounting additional chair elements.
- the seat part can deform slightly elastically when loading and lowering the seat.
- the rear portion of the seat portion can be tilted more, while the front portion of the seat portion is tilted only slightly. This is advantageous in terms of avoiding pressure loads on the area of the thigh of the user adjacent to the knee.
- the development of the invention according to claim 14 also serves the comfort of the user, since the seat is softer in the area of the seat bumps of a user.
- Figure 1 is a side view of a functional chair in a non-loaded normal position (extended) and a lowered rest position (dashed);
- FIG. 2 shows a vertical section through a seat surface part of the functional chair according to FIG. 1; men with a support mechanism, over which
- Figure 3 is a view similar to Figure 1, showing details of a sliding bearing for the front end of the seat part and details of attachment of the rear end of the seat part shown on the support mechanism;
- Figure 4 is a perspective view of the underside of the seat part seen obliquely from behind;
- Figure 5 is a perspective view of the underside of the seat part seen obliquely from the front;
- Figure 6 is a perspective view of the front of a modified Funtionsstuhles without upholstery.
- FIG. 1 shows a functional chair which has as main components a foot part 10, a seat part 12 and a support mechanism 14, via which the seat part 12 is connected to the foot part 10.
- a back cushion 16 and a seat cushion 18 are mounted on the seat part 12, which are indicated only schematically.
- the foot part 10 has a foot spider 20 with castors
- the center of the foot spider 20 carries a standpipe 24th
- the support mechanism 14 includes a cantilever 26, the radially inner, lower end is rotatably mounted on the upper end of the standpipe 24.
- the cantilever 26 runs in Figure 1 obliquely to the left and above. about
- Swivel bearing 32 a support member 34 hinged.
- the support member 24 includes, as shown particularly in Figures 4 and 5, two running away from the axis of the foot part support arms 36, 38, the free ends are connected by a connecting bracket 40 to an isosceles triangle.
- the connection carrier 40 has, as shown in FIG.
- the Kragteil 26 has two cantilevers 42, 44 which run away diverging from the axis of the foot part 10 and are connected at their free ends by a cross member 46. This gives again a triangular framework, which is good even with low material usage
- the seat part 12 in turn has a in the normal position approximately horizontally extending seat surface portion 48, in which at about two-thirds of its
- a bearing strip 54 extends in the width direction (transverse direction) at a location of the seat surface section 48 which is approximately 20 to 25% of its depth dimension.
- the bearing block 54 has a rectangular cross section having foot portion which is seated in a complementary recess 56 which is formed in the underside of the seat portion 48. Lateral triangular cross-section ribs 58, 60 of the bearing strip 54 engage over the edges of the recess 56th
- elongated holes 64 are formed in laterally depending end portions 62 of the bearing bar 54 . In this engages a guide pin 64, which is supported by a laterally raised bearing tab 66 of the Kragiles 26.
- the bearing tabs 66 is at the same time with little play the end portion 62 of the slat bar 54 opposite, in which the slot 64 is formed.
- the support part 34 has an integrally formed drive lever 68, which operates on a spring cartridge designated overall by 70.
- Last includes a cup-shaped housing 72 having a central tube section 74.
- a helical compression spring 76 is arranged in the annular space, which lies between the pipe section 74 and the peripheral wall of the housing 72.
- the spring seat 78 has a guide rod 82 which runs in the interior of the pipe section 74.
- the bottom left in Figure 2 of the housing 72 is provided with a threaded bushing 84, in which an adjusting screw 86 is adjustable.
- the adjusting screw 86 has on the outside of the spring cartridge 70 lying end a strip-shaped head section with a circular cross section, which serves as a rolling bearing.
- the associated bearing cup is formed by two legs 90, 92 of the cross member 46 and a prismatic cover member 94 with triangular cross-section, which is supported by the upper end of the leg 92.
- the end of the connecting beam 40 is provided at its center with a projecting tongue 100, which may cooperate with a complementary recess 102 formed in an insert 104 which is embedded in the lower end of a backrest ⁇ portion 105 ,
- the support member 34 has on the two sides of the rear connection carrier 40 integrally formed laterally projecting protrusions 106 which together with recesses 108 which are provided in armrest parts 110, form a plug connection. In this way, the armrest parts 110 can be easily removed and put on.
- a locking pin 112 is provided, which is movable by a slider 114 ( Figure 4) in and out of the path of a slot 64.
- the locking pin 112 is indicated by dashed lines in Figure 3.
- the outside of the housing 72 of the spring cartridge 70 is provided with a knurling or a friction coating.
- the housing 72 can (with set in the direction of rotation adjustment screw 86) so adjust the bias of the helical compression spring 76.
- the above-described functional chair can be compactly packaged because the backrest portion 105 and the seat surface portion 48 can be easily mounted on and dismounted from the support member 34.
- the support mechanism described allows both a
- the described mechanism is simple and robust.
- the parts of the support mechanism 14 may be predominantly injection-molded parts made of aluminum or an aluminum alloy.
- the seat part 12 and its seat surface portion 48 and its backrest portion 105 may be molded parts which are substantially rigid and show only a slightly resilient behavior, which can be determined by the choice of materials and the geometry, such as known in the field of spraying plastic parts.
- materials for the backrest section preferably a polyamide with short glass fiber reinforcement (preferably PA6 GF 15) and for the Weg vom- section of a polypropylene used.
- the backrest portion 105 of the seat part 12 is fixedly attached with lower recesses 102 on two lateral radial tongues 100 of the connecting carrier 40, wherein the recesses are molded during injection of the backrest portion 105 with.
- Similar mounting eyelets 120 for a seat cushion 18 carry the seat surface portion 48.
- the bending portion 50, which is located on the underside of the seat surface portion 48 is dashed
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL13719717T PL2822424T3 (pl) | 2012-03-08 | 2013-03-08 | Funkcjonalny fotel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201220002288 DE202012002288U1 (de) | 2012-03-08 | 2012-03-08 | Funktionsstuhl |
| PCT/EP2013/000702 WO2013131658A1 (de) | 2012-03-08 | 2013-03-08 | Funktionsstuhl |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2822424A1 true EP2822424A1 (de) | 2015-01-14 |
| EP2822424B1 EP2822424B1 (de) | 2018-01-17 |
Family
ID=46509452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13719717.4A Active EP2822424B1 (de) | 2012-03-08 | 2013-03-08 | Funktionsstuhl |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9833074B2 (de) |
| EP (1) | EP2822424B1 (de) |
| CN (1) | CN104320994B (de) |
| AU (1) | AU2013230246B2 (de) |
| DE (1) | DE202012002288U1 (de) |
| DK (1) | DK2822424T5 (de) |
| ES (1) | ES2665257T3 (de) |
| NO (1) | NO2822424T3 (de) |
| PL (1) | PL2822424T3 (de) |
| WO (1) | WO2013131658A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013003083A1 (de) * | 2013-02-23 | 2014-08-28 | Klöber GmbH | Synchronmechanik für Bürostühle mit an den Benutzerschwerpunkt gekoppelter autoadaptiver Rückstellkraft |
| CA2852691A1 (en) * | 2014-05-27 | 2015-11-27 | Keilhauer Ltd. | Seat pan-based spring tilt mechanism |
| US10736424B2 (en) * | 2014-06-30 | 2020-08-11 | Donati S.P.A. | Mechanism for changing the tilt of the backrest having regard to the seat of a chair |
| WO2016074723A1 (en) * | 2014-11-13 | 2016-05-19 | L&P Property Management Company | Tilt mechanism for a weight-responsive seating furniture |
| DE102015112618A1 (de) * | 2015-07-31 | 2017-02-02 | Störiko product design GmbH | Stuhl |
| DE202017102909U1 (de) * | 2017-01-04 | 2018-04-05 | Design Ballendat Gmbh | Stuhl mit einteiliger Sitzschale |
| DE102017001503A1 (de) | 2017-02-16 | 2018-08-16 | Oliver Deichmann | Ein Stuhl, inbesondere ein Bürostuhl, mit einer zwischen der Sitzfläche und der Rückenlehne wirkenden Mechanik, durch die der Neigungswiderstand der Rückenlehne in Abhängigkeit von der Belastung der Sitzfläche steht. Die Sitzfläche wird in Abhängigkeit von der Belastung der Rückenlehne wenigstens teilweise angehoben. |
| DE102017110492A1 (de) * | 2017-05-15 | 2018-11-15 | Bock 1 Gmbh & Co. Kg | Armlehne, insbesondere für einen Bürostuhl |
| DE202018103213U1 (de) * | 2018-06-08 | 2019-09-11 | Armin Sander | Sitzmöbel |
| ES3035683T3 (en) | 2019-02-21 | 2025-09-08 | Steelcase Inc | Body support member |
| US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
| US11617444B2 (en) | 2020-03-02 | 2023-04-04 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
| US11812870B2 (en) | 2021-02-10 | 2023-11-14 | Steelcase Inc. | Body support structure |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH672237A5 (en) * | 1986-10-14 | 1989-11-15 | Giroflex Entwicklungs Ag | Relaxing chair |
| DE3635044A1 (de) * | 1986-10-15 | 1988-04-28 | Rolf Voelkle | Sessel |
| US4709963A (en) * | 1986-12-12 | 1987-12-01 | Milsco Manufacturing Company | Adjustable office chair |
| JPH0810088A (ja) * | 1994-06-29 | 1996-01-16 | Takano Co Ltd | 椅 子 |
| US5538326A (en) * | 1994-11-14 | 1996-07-23 | Milsco Manufacturing Company | Flexible unitary seat shell |
| DE29615997U1 (de) * | 1996-09-14 | 1996-10-31 | Völkle, Rolf, 72290 Loßburg | Stuhl, insbesondere Bürodrehstuhl |
| CA2270974A1 (en) * | 1996-11-08 | 1998-05-14 | William W. Chow | Therapeutic sling seat |
| GB9802447D0 (en) * | 1998-02-04 | 1998-04-01 | Unit Press Limited | Mechanism for chair |
| DE10106792A1 (de) * | 2001-02-12 | 2002-08-14 | Interstuhl Bueromoebel Gmbh | Sitzmöbel |
| DE10126001A1 (de) * | 2001-05-18 | 2002-11-21 | Bock 1 Gmbh & Co | Vorgespannte Federanordnung, insbesondere zur Federbeaufschlagung von Synchronmechaniken von Bürostühlen |
| DE10200355A1 (de) * | 2002-01-08 | 2003-07-17 | Dauphin Friedrich W Gmbh | Stuhl |
| JP4137536B2 (ja) * | 2002-07-03 | 2008-08-20 | コクヨ株式会社 | 椅子 |
| DE10302208A1 (de) * | 2003-01-22 | 2004-07-29 | Klöber GmbH | Stuhl mit schnell verstellbarem Kraftspeicher |
| DE10309920A1 (de) * | 2003-03-07 | 2004-09-16 | Dauphin Entwicklungs- Und Beteiligungs-Gmbh | Stuhl, insbesondere Bürostuhl |
| US7806478B1 (en) * | 2006-01-04 | 2010-10-05 | Sava Cvek | Task chair with dual tilting capabilities |
| KR20110022040A (ko) * | 2008-06-05 | 2011-03-04 | 가부시기가이샤 우찌다요우고우 | 기울임 가능한 등받이를 갖는 의자 |
| WO2010050175A1 (ja) * | 2008-10-29 | 2010-05-06 | 株式会社岡村製作所 | 椅子 |
| DE102009009287A1 (de) * | 2009-02-17 | 2010-09-09 | Uhlenbrock, Christel | Sitzmöbel, insbesondere Bürodrehstuhl |
| CN102755024A (zh) * | 2011-04-28 | 2012-10-31 | 三江学院 | 一种椅子 |
| CN202445553U (zh) * | 2011-12-30 | 2012-09-26 | 北京绿茵天地科技开发有限公司 | 人体工学椅 |
| PL2892390T3 (pl) * | 2012-09-05 | 2018-01-31 | Godrej & Boyce Mfg Co Ltd | Krzesło z regulowanym oparciem i siedzeniem |
| NO2908696T3 (de) * | 2012-10-18 | 2018-05-05 |
-
2012
- 2012-03-08 DE DE201220002288 patent/DE202012002288U1/de not_active Expired - Lifetime
-
2013
- 2013-03-08 AU AU2013230246A patent/AU2013230246B2/en active Active
- 2013-03-08 ES ES13719717.4T patent/ES2665257T3/es active Active
- 2013-03-08 PL PL13719717T patent/PL2822424T3/pl unknown
- 2013-03-08 US US14/383,215 patent/US9833074B2/en active Active
- 2013-03-08 NO NO13719717A patent/NO2822424T3/no unknown
- 2013-03-08 CN CN201380022621.3A patent/CN104320994B/zh active Active
- 2013-03-08 DK DK13719717.4T patent/DK2822424T5/en active
- 2013-03-08 EP EP13719717.4A patent/EP2822424B1/de active Active
- 2013-03-08 WO PCT/EP2013/000702 patent/WO2013131658A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DK2822424T5 (en) | 2018-04-30 |
| HK1203135A1 (en) | 2015-10-23 |
| CN104320994B (zh) | 2017-05-31 |
| CN104320994A (zh) | 2015-01-28 |
| NO2822424T3 (de) | 2018-06-16 |
| DE202012002288U1 (de) | 2012-05-11 |
| ES2665257T3 (es) | 2018-04-25 |
| DK2822424T3 (en) | 2018-04-23 |
| AU2013230246A1 (en) | 2014-10-23 |
| US20150164225A1 (en) | 2015-06-18 |
| US9833074B2 (en) | 2017-12-05 |
| WO2013131658A1 (de) | 2013-09-12 |
| PL2822424T3 (pl) | 2018-07-31 |
| EP2822424B1 (de) | 2018-01-17 |
| AU2013230246B2 (en) | 2017-06-08 |
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