EP1230876A1 - Meuble d'assise - Google Patents

Meuble d'assise Download PDF

Info

Publication number
EP1230876A1
EP1230876A1 EP02001644A EP02001644A EP1230876A1 EP 1230876 A1 EP1230876 A1 EP 1230876A1 EP 02001644 A EP02001644 A EP 02001644A EP 02001644 A EP02001644 A EP 02001644A EP 1230876 A1 EP1230876 A1 EP 1230876A1
Authority
EP
European Patent Office
Prior art keywords
spring
seat
backrest
seat element
seating furniture
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.)
Withdrawn
Application number
EP02001644A
Other languages
German (de)
English (en)
Inventor
Eckhard Dipl.-Ing. Hansen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Interstuhl Bueromoebel GmbH and Co KG
Original Assignee
Interstuhl Bueromoebel GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interstuhl Bueromoebel GmbH and Co KG filed Critical Interstuhl Bueromoebel GmbH and Co KG
Publication of EP1230876A1 publication Critical patent/EP1230876A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • 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
    • 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
    • A47C1/03261—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

Definitions

  • the invention relates to seating furniture according to the preamble of Claim 1.
  • the seat element and the backrest in the Starting position must be one of the sitting person Force against the backrest or against the spring element be applied to tilt the chair or a To achieve change in the angular position of the seat element.
  • a movement of the seat element is essentially only through loading or unloading the backrest possible.
  • the front one The area of the seat element is fixed in a predetermined Position when the backrest is not loaded.
  • the movements of the Seat elements are fixed by levers and / or guides specified.
  • the invention is the known chair be further improved.
  • the invention is based on the object of seating develop that beyond the convenience of synchronous mechanics further comfort properties in the area of the seating element Provides and a simplified synchronous mechanism having.
  • the seating furniture according to the invention has the front Fastening means for the seat element the spring element, which is supported on the fixed support frame, whereby the spring element to the known reset function the guidance of the seat element in its front area takes over.
  • such a double function or Double action of the spring also the comfort or suitability of the Chair for people of all sizes and all body weights increase.
  • a Leaf spring, d. H. a single leaf spring or a Leaf spring assembly meets the requirements for the spring element ideally because the curved leaf spring compressive forces in exercises the two required directions.
  • a lean back leads into the chair depending on the shape or bend of the Leaf spring next to a drop in the rear seating area lifting the front seating area or to one Remain at the same height as the front seating area.
  • An adjustability of the spring element allows that Behavior of the seating element optimally to the requirements or Adjust the wishes of the seated person. In particular, can this also enables a small, light person without tipping back the opening angle between Enlarging the seat and backrest. Of course it is about adjusting the force of the spring element too possible the willingness to tip or the tipping behavior of the chair to influence.
  • the spring force of the leaf spring by a Displacement of the spring contact point and / or a Changing the distance between each Varying spring leaves.
  • spring elements Coil springs and / or rubber elements and / or Vibrating metals and / or hydraulic cushions and / or pneumatic pillows or a combination of these use. These spring elements allow adjustment the different requirements and installation options.
  • the chair By using a seat element that consists of a Base plate and a slidably arranged thereon If there is a cushion, the chair can be placed in the seating area optimal on the required contact surface for the To adapt the thigh to the person sitting on the chair. This makes the chair suitable for people different body sizes and body weights elevated.
  • FIG. 1 shows a side view of a piece of seating furniture 1 which is designed as an office chair 2.
  • the office chair 2 consists essentially of a bogie 3 with rollers 4, which is height-adjustable and rotatably connected via an axis 5 to a support frame 6, a seat element 7 fastened to the support frame 6 and a seat element 7 connected to the support frame 6 via a backrest support 8 Backrest 9.
  • the support frame 6 consists of a rigid support 10, which receives the axis 5, means 11 for transmitting a movement, which are designed as levers 12, and a front fastening means 14, which is designed as a spring element 15.
  • the seat element 7 consists of a support 16 and a base plate 17.
  • the support 16 can be moved and locked relative to the base plate 17 in the seat direction A between a first position P and a second position P '. With such an adjustment, the contact surface for the thighs of a person sitting on the office chair 2 can be individually adjusted.
  • front flange means 19, 20 are attached in a front seat area 18 and rear flange means 22, 23 in a rear seat area 21 (see also FIG. 3).
  • the front flange means 19, 20 each receive a spring element 15, the spring elements 15 being designed as leaf springs 24, 25.
  • the leaf springs 24, 25 act like resilient cantilever arms, at the free ends of which the seat element 7 is rotatably articulated via the front flange means 19, 20.
  • the office chair 2 is shown in an upright or front stop position I, which it assumes in a state in which it is not loaded by a person, that is to say it is not loaded.
  • the spring elements 15 raise the seat element 7 to a height H by a vertically acting force F z in the direction of the arrow z.
  • a horizontal force F x of the spring elements 15 pulls the seat element 7 in the direction of the arrow x into the position I shown in FIG. 1.
  • This tensile force also acts on the lever 12 and the backrest support 8 about the axis 26 via the rear flange means 22, 23 are rotatably hinged to the carrier 10.
  • a circular path K is defined via the lever 12, on which an axis 27, via which the rear flange means 22, 23 are connected to the levers 12 or the backrest support 8, can move.
  • the portion of the force F s acting in the rear seat area is transferred via the levers 12, the support frame 10, the axle 5 and the bogie or causes a tensile force on the spring element 12 via the lever 12, which is compensated for by its force component F x .
  • This increases an opening angle ⁇ enclosed between the backrest 9 and the seat element 7 to an opening angle ⁇ '.
  • the seat element 7 can be lowered by a person who has contact with the back to the backrest 9 as well as a person who is seated exclusively in the front seat area 18. In this case, the same person will of course bring about a greater inclination of the seat surface 7 if it is seated exclusively in the front seat area 18, since then a larger proportion of the body weight acts on the spring elements 15.
  • FIG. 2 shows the office chair 2 shown in FIG. 1 in a rear stop position II.
  • the office chair 2 is held in this position by a force F R exerted by the seated person and acting on the backrest 9.
  • This force F R is compensated for by the force F x of the spring elements 15.
  • the movement of the backrest 9 and the seat element 7 is thus limited by the spring element 15.
  • the force F R is transmitted via the backrest support 8 and the seat element 7 as a tensile force to the spring elements 15, the axis 27 having assumed the position shown in FIG. 2 by rotating on the circular path K from the position shown in FIG. 1.
  • the force F R thus causes the synchronous mechanism, ie the special connection of the backrest 9 and the seat element 7, in addition to the rotation of the backrest 9 in the clockwise direction and also a movement of the axis 27 in the clockwise direction on the circular path K, which is caused by a rotation of the seat element 7 in Clockwise around axis 27 is accompanied.
  • These movements generated by the synchronous mechanism are superimposed by a further movement which is made possible by the unguided spring element.
  • FIG. 3 shows a top view of the one in FIG. 1 Office chair 2 shown, here on the representation of the The bogie and castors were dispensed with, however further components lying under the seat element 7 are shown. This is in the area of the backrest 9 Representation also simplified.
  • the carrier 10 is U-shaped trained and takes the spring elements 15 each at free Legs 29, 30 on.
  • the backrest support 8 is in the area the rear flange means 22, 23 and the lever 12 as a fork 31 executed.
  • Figures 4 to 6 show a second office chair 32. Im Difference to that shown in Figures 1 to 3 Office chair 2 has this means 33 for adjusting the Spring force of a spring element 15.
  • a tensioning device 34 provided, which has a handwheel 35 over which one does not Tightening screw shown is actuated, through which the Distance between individual spring leaves 36 of the spring element 15 is changeable. A smaller distance between the Spring leaves 36 cause a greater resilience of the Spring element 15.
  • FIGs 7 to 9 show a third office chair 37.
  • Office chair 32 is a spring element 15 as a rubber element 38 or Schwingmetall 39 executed.
  • a vibrating metal is a plastic element mounted between two metal plates, designated in particular rubber element.
  • the spring element 15 has spring properties acting in directions x and z.
  • a spring in a transverse direction y is due to the mechanical Connection of a seat element 7 via lever 12 to a carrier 10 prevented. If the office chair 37, as in FIG. 8 shown in a rear stop position II, then the spring element 15 is subject to shear stress. This occurs in all positions in which the office chair 37 a Assumes position in which a backrest 9 opposite the in Figure 7 shown position is inclined.
  • FIGS. A fifth office chair 42 is shown in FIGS.
  • the office chair 42 has a seat shell 43.
  • the seat shell 43 consists of a backrest 9 which is integrally connected to a seat element 7.
  • the seat shell 43 is elastic or resilient in a transition region 44.
  • a partial function of the synchronous mechanism namely the enlargement of an opening angle ⁇ between the backrest 9 and the seat element 7, takes over the flexible or elastic transition area 44 in the office chair 42, which causes the backrest 9 to spring back as a function of a force F R acting thereon, which depends on a person sitting on the office chair 42 goes out.
  • the force F R causes the seat pan 43 to drop in a rear seat area 21 and a raise in a front seat area 18 depending on a counterforce F x generated by a spring element 15.
  • a weight force F s originating from a seated person or its portion acting in the front seat area 18 leads to a lowering of the seat element 7 in the counterclockwise direction. In the office chair 42, this causes the backrest to be carried at least to the extent that the opening angle ⁇ of the seat shell 43 is not increased by an increasing force F R acting on the backrest 9.
  • FIGS shown A sixth office chair 45 is shown in FIGS shown.
  • the office chair 45 has the same as that in FIGS Figures 13 to 15 shown fifth office chair 42 a Seat shell 43, which consists of a seat element 7 and a Backrest 9 is resilient in a transition area are connected.
  • Office chairs shown is rotatable in the office chair 45 articulated lever, which as a means 11 for transmitting a Movement is used, replaced by guides 13.
  • the guides 13 are realized as elongated holes 46 which 47 on arms are executed.
  • the arms 47 are fixed to a support 10 connected.
  • Via a continuous axis 27 are rear Flange means 22, 23 which are fixed to the seat shell 43 in Connected, stored in the elongated holes 46.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
EP02001644A 2001-02-12 2002-01-24 Meuble d'assise Withdrawn EP1230876A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10106792A DE10106792A1 (de) 2001-02-12 2001-02-12 Sitzmöbel
DE10106792 2001-02-12

Publications (1)

Publication Number Publication Date
EP1230876A1 true EP1230876A1 (fr) 2002-08-14

Family

ID=7673984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02001644A Withdrawn EP1230876A1 (fr) 2001-02-12 2002-01-24 Meuble d'assise

Country Status (4)

Country Link
US (1) US20020109384A1 (fr)
EP (1) EP1230876A1 (fr)
CN (1) CN1375252A (fr)
DE (1) DE10106792A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008000295A1 (fr) 2006-06-30 2008-01-03 Eckhard Hansen Siège
WO2013083562A1 (fr) * 2011-12-05 2013-06-13 Brueske Joachim Rainer Siège comprenant un élément de liaison à configuration élastique
WO2013131658A1 (fr) * 2012-03-08 2013-09-12 Walter Knoll Ag & Co. Kg Siège fonctionnel
EP3409144A1 (fr) * 2017-05-30 2018-12-05 Sedus Stoll AG Chaise, notamment chaise de conférence ou de bureau ainsi que procédé de fabrication d'une chaise
WO2019119123A1 (fr) * 2017-12-21 2019-06-27 Bombardier Inc. Siège passager inclinable
CN111511252A (zh) * 2017-10-20 2020-08-07 埃科尼斯股份公司 座椅模块
US10820703B2 (en) 2018-09-17 2020-11-03 Sedus Stoll Ag Chair, particularly conference or office chair, and method for manufacturing a chair
EP3900577A1 (fr) * 2020-04-20 2021-10-27 BOCK 1 GmbH & Co. KG Élément et dispositif pour un siège

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US7226130B2 (en) * 2002-09-12 2007-06-05 Steelcase Development Corporation Seating with comfort surface
HK1064859A2 (en) * 2004-06-21 2005-01-14 Yu Yeung Tin Synchronous coordinate system of back of chair.
US7857390B2 (en) * 2006-03-24 2010-12-28 Herman Miller, Inc. Piece of furniture
AU2007302891B2 (en) 2006-10-04 2013-05-02 Formway Furniture Limited A chair
US7926879B2 (en) * 2007-09-20 2011-04-19 Herman Miller, Inc. Load support structure
BRPI0817111A2 (pt) * 2007-09-20 2015-03-31 Miller Herman Inc Estrutura de suporte de corpo
USD600051S1 (en) 2008-04-09 2009-09-15 Formway Furniture Limited Chair back
USD604535S1 (en) 2008-04-09 2009-11-24 Formway Furniture Limited Chair
RU2518280C2 (ru) 2008-12-12 2014-06-10 Формвэй Фурнитуре Лимитед Кресло и опорная структура
CA131020S (en) 2008-12-12 2010-02-03 Formway Furniture Ltd Chair
US9883746B2 (en) * 2014-11-11 2018-02-06 Pro-Cord S.P.A. Chair with seat and backrest movable in a synchronized way
AU2016232337B2 (en) * 2015-03-14 2020-06-18 MillerKnoll, Inc Mechanical assembly for a chair and chair with such a mechanical assembly
US10966527B2 (en) 2017-06-09 2021-04-06 Steelcase Inc. Seating arrangement and method of construction
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
WO2016168185A1 (fr) 2015-04-13 2016-10-20 Steelcase Inc. Agencement de siège
CN105029945A (zh) * 2015-07-31 2015-11-11 无锡市日升化工有限公司 一种新型多功能办公室座椅
DE102016104638A1 (de) * 2016-03-14 2017-09-14 Burkhard Schmitz Stuhl
CN109131897A (zh) * 2018-07-04 2019-01-04 苏州频聿精密机械有限公司 一种航空座椅位置调节装置
DE102018219885B4 (de) * 2018-11-20 2022-02-03 Comfordy Co., Ltd. Synchronmechanik für ein Sitzmöbel und Sitzmöbel
CN113507865A (zh) 2019-02-21 2021-10-15 斯特尔凯斯公司 身体支撑组件和用于该身体支撑组件的使用和组装的方法
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11197548B2 (en) * 2019-12-16 2021-12-14 Allseating Corporation Reclining control system for a chair
IT202000002332A1 (it) * 2020-02-06 2021-08-06 Donati Spa Meccanismo di oscillazione per una sedia o una poltroncina
WO2021178206A1 (fr) 2020-03-02 2021-09-10 Steelcase Inc. Ensemble de support de corps et ses procédés d'utilisation et d'assemblage
US11812870B2 (en) 2021-02-10 2023-11-14 Steelcase Inc. Body support structure
CN113475884B (zh) * 2021-08-12 2022-08-12 浙江安吉荣艺家具有限公司 一种舒适可调人体工学办公椅

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EP0200845A2 (fr) * 1985-05-08 1986-11-12 FANTONI ARREDAMENTI S.p.A. Chaise ajustable
US4640548A (en) * 1981-10-03 1987-02-03 Kusch & Co. Stizmobelwerke Kg Chair with an adjustable backrest
DE19607136A1 (de) 1995-02-28 1996-08-29 Eckhard Hansen Stuhl
EP0870443A2 (fr) * 1997-04-09 1998-10-14 Roland Schmidt Chaise, notamment chaise de bureau
DE19810768A1 (de) * 1998-03-06 1999-09-09 Drabert Gmbh Bürostuhl mit Synchronmechanik
WO2001070074A1 (fr) * 2000-03-24 2001-09-27 Giroflex-Entwicklungs-Ag Systeme d'assise et de dossier pour des sieges, notamment pour des chaises de bureau

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JPH10272031A (ja) * 1997-03-31 1998-10-13 Aiko Kk 椅子の座の傾動方法および傾動自在の座を備えた椅子

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Publication number Priority date Publication date Assignee Title
US4640548A (en) * 1981-10-03 1987-02-03 Kusch & Co. Stizmobelwerke Kg Chair with an adjustable backrest
EP0200845A2 (fr) * 1985-05-08 1986-11-12 FANTONI ARREDAMENTI S.p.A. Chaise ajustable
DE19607136A1 (de) 1995-02-28 1996-08-29 Eckhard Hansen Stuhl
EP0870443A2 (fr) * 1997-04-09 1998-10-14 Roland Schmidt Chaise, notamment chaise de bureau
DE19810768A1 (de) * 1998-03-06 1999-09-09 Drabert Gmbh Bürostuhl mit Synchronmechanik
WO2001070074A1 (fr) * 2000-03-24 2001-09-27 Giroflex-Entwicklungs-Ag Systeme d'assise et de dossier pour des sieges, notamment pour des chaises de bureau

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008000295A1 (fr) 2006-06-30 2008-01-03 Eckhard Hansen Siège
WO2013083562A1 (fr) * 2011-12-05 2013-06-13 Brueske Joachim Rainer Siège comprenant un élément de liaison à configuration élastique
WO2013131658A1 (fr) * 2012-03-08 2013-09-12 Walter Knoll Ag & Co. Kg Siège fonctionnel
US9833074B2 (en) 2012-03-08 2017-12-05 Walter Knoll Ag & Co. Kg Functional chair
EP3409144A1 (fr) * 2017-05-30 2018-12-05 Sedus Stoll AG Chaise, notamment chaise de conférence ou de bureau ainsi que procédé de fabrication d'une chaise
US10827842B1 (en) 2017-10-20 2020-11-10 Ekornes Asa Seat module
CN111511252A (zh) * 2017-10-20 2020-08-07 埃科尼斯股份公司 座椅模块
AU2018351425B2 (en) * 2017-10-20 2020-12-10 Ekornes Asa A seat module
US11122900B2 (en) 2017-10-20 2021-09-21 Ekornes Asa Seat module and tilt mechanism
CN111511252B (zh) * 2017-10-20 2023-09-19 埃科尼斯股份公司 座椅模块
WO2019119123A1 (fr) * 2017-12-21 2019-06-27 Bombardier Inc. Siège passager inclinable
US11186374B2 (en) 2017-12-21 2021-11-30 Bombardier Inc. Reclinable passenger seat
US11685532B2 (en) 2017-12-21 2023-06-27 Bombardier Inc. Reclinable passenger seat
US10820703B2 (en) 2018-09-17 2020-11-03 Sedus Stoll Ag Chair, particularly conference or office chair, and method for manufacturing a chair
US11134780B2 (en) 2018-09-17 2021-10-05 Sedus Stoll Ag Chair, particularly conference or office chair, and method for manufacturing a chair
EP3900577A1 (fr) * 2020-04-20 2021-10-27 BOCK 1 GmbH & Co. KG Élément et dispositif pour un siège

Also Published As

Publication number Publication date
CN1375252A (zh) 2002-10-23
US20020109384A1 (en) 2002-08-15
DE10106792A1 (de) 2002-08-14

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