WO2008000295A1 - Siège - Google Patents

Siège Download PDF

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Publication number
WO2008000295A1
WO2008000295A1 PCT/EP2006/008115 EP2006008115W WO2008000295A1 WO 2008000295 A1 WO2008000295 A1 WO 2008000295A1 EP 2006008115 W EP2006008115 W EP 2006008115W WO 2008000295 A1 WO2008000295 A1 WO 2008000295A1
Authority
WO
WIPO (PCT)
Prior art keywords
leaf spring
spring element
seat
support
carrier
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.)
Ceased
Application number
PCT/EP2006/008115
Other languages
German (de)
English (en)
Inventor
Eckhard 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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP06776919.0A priority Critical patent/EP2046165B1/fr
Publication of WO2008000295A1 publication Critical patent/WO2008000295A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • 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

Definitions

  • the invention relates to a chair according to the preamble of claim 1.
  • a chair with a seat element, a back member and a support frame comprising a support and a mechanical means for transmitting a movement such as lever and / or guide, which carries the carrier in a rear seating area the seat element connects, wherein as a front fastening means for the seat member, a leaf spring element is provided, which is mounted on the fixed support, wherein the leaf spring element has a guided on the carrier first portion and a lying between the carrier and the seat member second portion. As reclining a person on this seating leads to a strong lifting of the front portion of the seat element.
  • the invention has for its object to develop a chair, which has an optimized movement of the seat member when reclining a person. Furthermore, it is an object of the invention with simple means to realize further adjustment.
  • the seating furniture according to the invention has a leaf spring element which, in a first section, points obliquely upwards in the direction of a front edge of the seat element.
  • This orientation of the leaf spring element leads to a movement characteristic of the seat element, in which this easily lifts when reclining a person in the seating in a front section and also displaced approximately horizontally in the direction of the back element.
  • a lifting of the leaf spring element is provided in its transition section by the lower support, since this can be repealed in a default setting inclination of the seat member to its leading edge.
  • the support is a cam, which is rotatable about an axis of rotation centric or eccentric. This can be done with technical simple means in different ways to influence the presetting.
  • an upper abutment which acts from above on the leaf spring element, if the upper abutment along the first portion of the leaf spring element is movable, it is possible to adjust the hardness of the leaf spring element continuously and so the seat member for people with different body weight.
  • the leaf spring element is clamped between a bearing surface of the carrier and the tooth slide and wherein the tooth slide by a rotation of the gear parallel to the support surface of the carrier in a longitudinal direction of the leaf spring element movable is.
  • the invention provides a fixability of the lever in at least two rotational positions on the carrier. This makes it possible to lock the seat element and the back member in preferred positions. Further details of the invention are described in the drawing with reference to schematically illustrated embodiments.
  • Figure 1 a chair in side view in a first position
  • FIG. 2 shows an enlarged section of FIG. 1 in the region of the support frame
  • FIG. 3 shows a bottom view of the seat furniture shown in FIG. 1 from an arrow direction III;
  • Figure 4 the chair in side view in a second position
  • FIG. 5 an enlarged detail from FIG. 4 in the region of the support frame
  • Figure 6 the chair in side view in a third position
  • Figure 7 a superimposed representation of the seating furniture according to the invention in its positions Sil and SIII.
  • a chair 1 is shown in a first position SI partially cut in side view, which was omitted on a hatching cut surfaces to maintain clarity.
  • the seating 1 essentially comprises a seat element 2, a back element 3, a support frame 4 and a bogie 5.
  • the bogie 5 comprises rollers 6 and a vertical gas spring 7, on which the support frame 4 is fixed.
  • the support frame 4 consists essentially of a carrier Q, a Leaf spring element 9 and a mechanical means 10 for transmitting a movement, which is designed as a lever 11.
  • the seat element 2 is connected in a front seat 12 via the leaf spring element 9 and in a rear seat 13 via the lever 11 to the carrier 8. With an extension 14, the lever 11 is further designed as a back element support 15, on which the back element 3 is attached.
  • the seat element 2 and the back element 3 have in the position SI on an opening angle ß of about 80 °.
  • the leaf spring element 9 consists of eight individual leaf springs 9a to 9h with partially different lengths. Furthermore, the leaf spring element 9 has a first, right section A and a second, left section B on. In the first section A, the leaf spring element 9 is clamped between a support surface 8 formed on the support surface 17 and a toothed slide 18 and thus fixed to the support 8.
  • the toothed slide 18 is arranged by rotation of this driving and fixed to the support 8 Gear 21 in the direction of arrow v or v 'movable.
  • a hardness of the leaf spring element 9 is adjustable.
  • the leaf spring element 9 extends approximately bent by 90 °.
  • Leaf spring element 9 is fastened at a free end 22 with a sleeve 23 rotatably mounted on the seat element 2 about a rotation axis D23 with a screw 24.
  • a support 25 is disposed on the carrier 8.
  • the leaf spring element 9 can be raised and allows an adjustment of the inclination of the seat element 2.
  • the tooth slide 18 and the gear 21 form an upper abutment 27 to this support 25.
  • the cam 26 for example, in one Shown position in which this the
  • Leaf spring element 9 lifts.
  • the lever 11 connects the carrier 8 with the rear seat portion 13 of the seat member 2.
  • the lever 11 is fixed to the carrier 8 rotatably about a rotation axis D118.
  • the seat member 2 is rotatably attached to the lever 11 about a rotation axis D112.
  • a latching mechanism 28 is provided between the carrier 8 and the lever 11, through which a rotation of the lever 11 about the rotational axis D118 can be blocked.
  • FIG. 3 shows a bottom view of the seat 1 shown in FIG. 1 from an arrow III direction.
  • a first rotary handle 33 can be seen, through which the cam 26, which forms the support 25 for the leaf spring element 9, is rotatable.
  • the bottom view shows a second rotary handle 34, with which the gear 21 is rotatable, which the tooth slide 18th drives.
  • the lever 11 which is designed as a fork 35 and has two arms 35a and 35b, a latching pin 36 is arranged, which forms the latching mechanism 28 and in the directions of the arrow z or z 'is displaceable.
  • the locking pin 36 is shown in a first position 37 and in a second position 38.
  • the locking pin 36 engages with a nose 39 in the bore 40, which is formed on the carrier 8. As a result, a rotation of the lever 9 is blocked about the rotation axis D118.
  • the locking pin 36 is retracted in the direction of arrow z and stands with its nose 39 outside of the carrier 8 and thus can rotate freely about its axis of rotation D118.
  • FIG 4 the known from Figures 1 to 3 seating 1 is shown in a second position Sil in side view.
  • the lever 11 is not coupled to the carrier 8 and has slightly rotated to the right as a result of the adjustment of the support 25 about its axis of rotation D118 relative to its position shown in the figure 1.
  • the opening angle ß between the seat member 2 and the back member 3 is in this position Sil as well as in the position SI at about 80 °.
  • the seating furniture 1 known from Figures 1 to 5 is shown in a third position SIII in side view.
  • the third position SIII results from the position shown in Figures 4 and 5 Sil by the Load of the chair 1 with the weight of a person, not shown, wherein the person not shown also leans against the back member 3.
  • the chair 1 reacts by movements of the seat member 2 and the back member 3 in the direction of arrow x, in which case the seat member 2 lifts with its front seat 12 and lowers with its rear seat 13 and wherein the back member 3 also on the Lever 11 rotates about the axis of rotation D118 to the right.
  • the opening angle ⁇ between the seat element 2 and the back element 3 also changes.
  • the opening angle ⁇ has a value of approximately 95 °.
  • FIG 7 the known from Figures 1 to 6 seating 1 is shown in its two positions Sil and SIII in a superimposed representation in the region of the support frame 4.
  • the seat element 2 is displaced from a horizontal position into a sloping position to the back element 3 by the deformation of the leaf spring element 9 and the rotation of the lever 11 about the axis of rotation D118 and thereby lifts with its front edge 19 and its lower seating area 13 lowers.
  • the rotation axis D23 moves from a point Pl to a point P2
  • the rotation axis D112 moves from a point P3 to a point P4.
  • the seat member 2 thus moves between a front attachment means 41, which is essentially formed by the leaf spring element 9, and a rear attachment means 42, which is essentially formed by a mechanical means 10 for transmitting a movement, which is designed as a lever 11.
  • the back Fastener 42 allows the seat member 2 either the movement on a circular path 31 about the axis of rotation D118 with possibly simultaneous rotation about the axis of rotation D112 or a pure rotation about the axis of rotation D118.
  • the front fastening means 41 limits an adjustment of the seat member 2, wherein the position of the rotation axis D23 at which the front fastening element 41 and the seat member 2 are connected to each other can also change and wherein in principle a rotation of the seat member 2 about the rotation axis D23 is possible.
  • the position of the back element 3 is determined by the position of the rear fastening element 42, since the back element 3 is articulated thereto.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

L'invention concerne un siège (1) avec un élément assise (2), un élément dossier (3) et un cadre porteur (4), le cadre porteur (4) comprenant un support (8) et un moyen mécanique (10) de type levier (11) et/ou élément de guidage pour transmettre un mouvement, ledit élément mécanique reliant le support (8) dans une zone d'assise arrière (13) à l'élément assise (2), un élément à ressort à lame (9) est disposé sur le support (8) à titre de moyen de fixation avant pour l'élément assise (2), l'élément à ressort à lame (9) présentant un premier segment guidé sur le support (8) et un deuxième segment reposant librement entre le support (8) et l'élément assise (2). Le premier segment de l'élément à lame de ressort (9) est dirigé oblique vers le haut dans la direction d'une arête avant (19) de l'élément assise (2).
PCT/EP2006/008115 2006-06-30 2006-08-16 Siège Ceased WO2008000295A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06776919.0A EP2046165B1 (fr) 2006-06-30 2006-08-16 Siège

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EPPCT/EP2006/006354 2006-06-30
EP2006006354 2006-06-30

Publications (1)

Publication Number Publication Date
WO2008000295A1 true WO2008000295A1 (fr) 2008-01-03

Family

ID=37836785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/008115 Ceased WO2008000295A1 (fr) 2006-06-30 2006-08-16 Siège

Country Status (2)

Country Link
EP (1) EP2046165B1 (fr)
WO (1) WO2008000295A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818079A1 (fr) 2013-06-28 2014-12-31 Sitag AG Meubles destinés à s'asseoir
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
US10820703B2 (en) 2018-09-17 2020-11-03 Sedus Stoll Ag Chair, particularly conference or office chair, and method for manufacturing a chair
CN112757985A (zh) * 2021-02-04 2021-05-07 重庆宏立至信科技发展集团有限公司 带无级调节的座椅桌板
US11096497B2 (en) 2015-04-13 2021-08-24 Steelcase Inc. Seating arrangement
US11109683B2 (en) 2019-02-21 2021-09-07 Steelcase Inc. Body support assembly and method for the use and assembly thereof
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US11324325B2 (en) 2015-04-13 2022-05-10 Steelcase Inc. Seating arrangement
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
EP4458215A1 (fr) * 2023-05-05 2024-11-06 BOCK 1 GmbH & Co. KG Mécanisme pour un siège, en particulier pour une chaise de bureau
US20240381999A1 (en) * 2018-11-20 2024-11-21 Comfordy Co., Ltd. Synchronization mechanism for a piece of seating furniture, and piece of seating furniture
US12349805B2 (en) 2022-05-10 2025-07-08 Brado S.P.A. Adjustment device for a chair with oscillating mechanism
US12582234B2 (en) 2017-06-09 2026-03-24 Steelcase Inc. Seating arrangement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000002332A1 (it) * 2020-02-06 2021-08-06 Donati Spa Meccanismo di oscillazione per una sedia o una poltroncina

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434897A1 (fr) * 1989-11-30 1991-07-03 Itoki Crebio Corporation Mécanisme basculant pour siège
JPH05111414A (ja) * 1991-10-22 1993-05-07 Itoki Crebio Corp 椅子の傾動制御装置
JPH0889359A (ja) 1994-09-22 1996-04-09 Inoue Assoc:Kk 椅子の座板と背もたれの揺動機構
EP1230876A1 (fr) 2001-02-12 2002-08-14 Interstuhl Büromöbel GmbH & Co. KG Meuble d'assise
US20030052520A1 (en) 2000-03-24 2003-03-20 Anton Erne Seat and backrest assembly for seating, in particular office chairs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434897A1 (fr) * 1989-11-30 1991-07-03 Itoki Crebio Corporation Mécanisme basculant pour siège
JPH05111414A (ja) * 1991-10-22 1993-05-07 Itoki Crebio Corp 椅子の傾動制御装置
JPH0889359A (ja) 1994-09-22 1996-04-09 Inoue Assoc:Kk 椅子の座板と背もたれの揺動機構
US20030052520A1 (en) 2000-03-24 2003-03-20 Anton Erne Seat and backrest assembly for seating, in particular office chairs
EP1230876A1 (fr) 2001-02-12 2002-08-14 Interstuhl Büromöbel GmbH & Co. KG Meuble d'assise
DE10106792A1 (de) 2001-02-12 2002-08-14 Interstuhl Bueromoebel Gmbh Sitzmöbel

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818079A1 (fr) 2013-06-28 2014-12-31 Sitag AG Meubles destinés à s'asseoir
CH708248A1 (de) * 2013-06-28 2014-12-31 Sitag Ag Sitzmöbel mit Biegefeder.
US11324325B2 (en) 2015-04-13 2022-05-10 Steelcase Inc. Seating arrangement
US11096497B2 (en) 2015-04-13 2021-08-24 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US11963621B2 (en) 2015-04-13 2024-04-23 Steelcase Inc. Seating arrangement
US11553797B2 (en) 2015-04-13 2023-01-17 Steelcase Inc. Seating arrangement
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
US12582234B2 (en) 2017-06-09 2026-03-24 Steelcase Inc. Seating arrangement
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
US12178324B2 (en) * 2018-11-20 2024-12-31 Comfordy Co., Ltd. Synchronous mechanism for a piece of seating furniture, and piece of seating furniture
US20240381999A1 (en) * 2018-11-20 2024-11-21 Comfordy Co., Ltd. Synchronization mechanism for a piece of seating furniture, and piece of seating furniture
US11109683B2 (en) 2019-02-21 2021-09-07 Steelcase Inc. Body support assembly and method for the use and assembly thereof
US11602223B2 (en) 2019-02-21 2023-03-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US12226025B2 (en) 2019-02-21 2025-02-18 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11910934B2 (en) 2019-02-21 2024-02-27 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11786039B2 (en) 2019-12-13 2023-10-17 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US12161232B2 (en) 2019-12-13 2024-12-10 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11805913B2 (en) 2019-12-13 2023-11-07 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
CN112757985A (zh) * 2021-02-04 2021-05-07 重庆宏立至信科技发展集团有限公司 带无级调节的座椅桌板
US11812870B2 (en) 2021-02-10 2023-11-14 Steelcase Inc. Body support structure
US12207737B2 (en) 2021-02-10 2025-01-28 Steelcase Inc. Body support structure
US12349805B2 (en) 2022-05-10 2025-07-08 Brado S.P.A. Adjustment device for a chair with oscillating mechanism
EP4458215A1 (fr) * 2023-05-05 2024-11-06 BOCK 1 GmbH & Co. KG Mécanisme pour un siège, en particulier pour une chaise de bureau

Also Published As

Publication number Publication date
EP2046165B1 (fr) 2013-07-17
EP2046165A1 (fr) 2009-04-15

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