EP1874163A1 - Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body - Google Patents

Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body

Info

Publication number
EP1874163A1
EP1874163A1 EP06733106A EP06733106A EP1874163A1 EP 1874163 A1 EP1874163 A1 EP 1874163A1 EP 06733106 A EP06733106 A EP 06733106A EP 06733106 A EP06733106 A EP 06733106A EP 1874163 A1 EP1874163 A1 EP 1874163A1
Authority
EP
European Patent Office
Prior art keywords
plate body
seat
chair
base
torsion
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Withdrawn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
EP06733106A
Other languages
German (de)
English (en)
French (fr)
Inventor
Peter Opsvik
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.)
Peter Opsvik AS
Original Assignee
Peter Opsvik AS
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 Peter Opsvik AS filed Critical Peter Opsvik AS
Publication of EP1874163A1 publication Critical patent/EP1874163A1/en
Withdrawn legal-status Critical Current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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • 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

Definitions

  • the invention relates to a chair, where a seat with two seat sides comprises a plate body connected to a base.
  • the invention is based on the known chair type where the chair's seat and back are composed of a preferably laminated plate body made of wood or moulded from plastic and supported by a base preferably composed of four legs, but not limited to such a specific type of chair.
  • a chair is proposed as indicated in claim 1. Further features of the chair are indicated in the dependent claim.
  • the actual plate body as a torsion body, more specifically by having a part of the plate body between the connection with the base and the rest of the plate body designed in the form of a torsion body.
  • a chair is thereby provided in a strikingly simple manner where the user can perform the requisite, desired tilting movements forwards and backwards from a backward-leaning position of rest to a forwardly angled seated position, all the time with full support, in the same way as in more complicated chairs with tilt mechanisms.
  • the torsion body may be advantageously designed so that from each side in the plate body, inwardly directed from the edge of the seat, there is provided a weakened portion on each side of the connection with the base.
  • the torsion body may advantageously be designed by a cut-out being made in the plate body from each edge of the seat, on each side of the connection with the base.
  • the torsion body is advantageously designed by providing a weakened portion in the plate body or removing a transversally limited cut-out on each side of the connection with the base.
  • a single plate body forms the seat and a backrest.
  • a torsion body may advantageously be provided in such a backrest, where the plate body has weakened points or cut-outs in the back portion as described for the seat, preferably approximately halfway up the backrest. These weakened points/cut-outs will provide flexibility with torsional capability for the plate body. This provides flexibility in an otherwise well-designed back support, but also permits the back plate to be flat in the starting position, and to conform to the user's back when under a load.
  • FIG. 1 is a perspective view of a chair according to the invention
  • Figure 2 is a perspective view of a second chair according to the invention
  • Figure 3 is a perspective view of yet another chair according to the invention
  • Figures 4a, b and c are schematic side views of a chair like that in figure 1 , indicating tilting movements.
  • Figures 5a-d are illustrations corresponding to figures 4a-c, but of a second embodiment.
  • a chair 1 is illustrated composed of a laminated plate body 2, which is connected 5 and 6 at the two seat edges 3 and 4 with a base, consisting here of two legs 8 and 9 positioned at an angle to each other from the seat 7.
  • a cut-out 10, 11, 12 and 13 is made in the plate body 2, thereby forming a torsion body 14 from the intermediate part of the plate body 2.
  • the chair illustrated in figure 2 is like that in figure 1, but the backrest is provided with cut-outs 15-19, thus making the plate body 2 flexible and capable of being twisted in this back area.
  • the chair 20 in figure 3 is composed of a plate body 21 as in figures 1 and 2, but here the plate body 21 is connected with the base's legs 22-25 in a central seat area 26.
  • FIGs 4a, b and c illustrate the tilting movements a seated person 29 can perform while sitting on a chair like that in figure 1.
  • Figure 4a depicts a "normal" seated position.
  • the person 29 is leaning backwards and in figure 4c he is leaning forwards.
  • the seat 7 will tilt and be "tailored" to the person's 29 thighs and seat, thanks to the torsion body 14.
  • FIG. 5a-d A similar illustration can be seen in figures 5a-d.
  • the chair is designed with straight and flat seat and back parts.
  • the figures clearly illustrate how the chair adapts to the user's sitting positions.
  • cut-outs may be in the form of weakened points in the plate, thereby permitting a limited amount of twisting.
  • weakened portions may also be in the form of bellows or accordion-like connections between the otherwise fixed plate portions.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP06733106A 2005-04-08 2006-04-06 Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body Withdrawn EP1874163A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20051756A NO323205B1 (no) 2005-04-08 2005-04-08 Stol
PCT/NO2006/000128 WO2006107214A1 (en) 2005-04-08 2006-04-06 Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body.

Publications (1)

Publication Number Publication Date
EP1874163A1 true EP1874163A1 (en) 2008-01-09

Family

ID=35266203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06733106A Withdrawn EP1874163A1 (en) 2005-04-08 2006-04-06 Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body

Country Status (3)

Country Link
EP (1) EP1874163A1 (no)
NO (1) NO323205B1 (no)
WO (1) WO2006107214A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6880886B2 (en) * 2002-09-12 2005-04-19 Steelcase Development Corporation Combined tension and back stop function for seating unit
US7971935B2 (en) 2006-03-24 2011-07-05 Humanscale Corporation Ergonomic side chair
WO2021178206A1 (en) 2020-03-02 2021-09-10 Steelcase Inc. Body support assembly and methods for the use and assembly thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529247A (en) * 1982-04-15 1985-07-16 Herman Miller, Inc. One-piece shell chair
US4660887A (en) 1985-09-11 1987-04-28 The Shaw-Walker Company Ergonomic support
DE3613381A1 (de) * 1986-04-21 1987-10-22 Mauser Waldeck Ag Stuhl mit federnd verschwenkbarem sitz und ruecken
DE9100572U1 (no) * 1991-01-20 1992-06-11 Fritz Hansens Eft. A/S, Alleroed, Dk

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006107214A1 *

Also Published As

Publication number Publication date
WO2006107214A1 (en) 2006-10-12
NO20051756L (no) 2006-10-09
NO323205B1 (no) 2007-01-22
NO20051756D0 (no) 2005-04-08

Similar Documents

Publication Publication Date Title
EP1401306B1 (en) Seats
US5411316A (en) Single piece chair shell
CA2455320C (en) Stackable chair with flexing frame
AU2007230781B2 (en) Ergonomic side chair
FI72037B (fi) Stol
US11864658B2 (en) Chair and components
US20070138851A1 (en) Ergonomic chair backrest
CA2057712C (en) Back support and internal frame
EP1163865A2 (en) Ergonomic chair
TWM355061U (en) Structure of backrest cushion
CN107183977B (zh) 一种坐具
CN111297107A (zh) 自动适应腰部的座椅
US8465095B2 (en) Chair with tiltable back
EP1874163A1 (en) Chair comprising a plate body attached to a base where a part of said plate body is designed as a torsion body
JP4181266B2 (ja) 椅子
EP3691497A1 (en) Posture adaptive work chair
KR200395763Y1 (ko) 등받이 분할형 의자
US7384100B2 (en) Flexible reclining chair
KR101056076B1 (ko) 허리받이와 머리받이로 겸용 가능한 받침부재를 갖는 의자
KR102574701B1 (ko) 자세 교정형 의자
CN110638241A (zh) 一种舒适型座椅
KR102290271B1 (ko) 실버 스포츠 안락 의자
KR200379699Y1 (ko) 운동 보조기구 겸용 사무용 무릎 의자
JP2006141859A (ja) 腰支持部を有する椅子
KR101506601B1 (ko) 의자용 플렉시블 등판 프레임 및 이를 이용한 플렉시블 의자

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20071108

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: A47C 7/14 20060101ALI20090218BHEP

Ipc: A47C 3/025 20060101ALI20090218BHEP

Ipc: A47C 3/02 20060101AFI20061019BHEP

17Q First examination report despatched

Effective date: 20090608

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20181101