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EP0128407B1 - Sitz - Google Patents

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Publication number
EP0128407B1
EP0128407B1 EP84105798A EP84105798A EP0128407B1 EP 0128407 B1 EP0128407 B1 EP 0128407B1 EP 84105798 A EP84105798 A EP 84105798A EP 84105798 A EP84105798 A EP 84105798A EP 0128407 B1 EP0128407 B1 EP 0128407B1
Authority
EP
European Patent Office
Prior art keywords
fact
seat according
wire
wires
seat
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.)
Expired
Application number
EP84105798A
Other languages
English (en)
French (fr)
Other versions
EP0128407A1 (de
Inventor
Eric Maeyaert
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.)
L&P Swiss Holding GmbH
Original Assignee
Youngflex AG
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 Youngflex AG filed Critical Youngflex AG
Priority to AT84105798T priority Critical patent/ATE28266T1/de
Publication of EP0128407A1 publication Critical patent/EP0128407A1/de
Application granted granted Critical
Publication of EP0128407B1 publication Critical patent/EP0128407B1/de
Expired 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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/32—Seat parts with tensioned springs, e.g. of flat type with tensioned cords, e.g. of elastic type, in a flat plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, 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—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back

Definitions

  • the present invention relates to all types of furniture seats, vehicles, etc. comprising suspension means making it possible to provide the user with the desired support and comfort.
  • the object of this invention is to provide a seat which does not have the disadvantages of the aforementioned known seats.
  • This object is achieved by the seat, object of the invention, which comprises a lower frame and an upper frame on which are fixed bearing surfaces respectively forming the bottom and the backrest, in which at least one of the bearing surfaces is constituted by a elastic ply formed of wires arranged transversely, each wire having at least one permanent deformation preferably situated in the plane of the ply, and which is characterized by the fact that these permanent deformations are elastic and have a linear portion offset parallel to the rest of the wire and connected to it by two oblique portions.
  • Certain known seats intended more particularly for equipping automobiles, are of the type illustrated in FIG. 1 and comprise two respectively upper 1 and lower 2 frames, generally metallic and produced by stamped parts, profiles or tubular elements.
  • the bearing or support surfaces namely the backrest and the bottom, can be constituted by wire mesh 3, 4, fixed to lateral strips 5, 6.
  • Each rigid mesh-lateral strip assembly is fixed laterally to the respectively upper frame and lower by means of spring 7, 8, these being on the one hand hooked to the side rods 5, 6 and on the other hand fixed in orifices made in the respective frames 1, 2.
  • the frames and the trellises are covered for example with plastic foam and a fabric or other external material enveloping it in order to constitute the finished seat.
  • FIG. 2 is illustrated an embodiment of an elastic sheet 10 fixed to the upper frame 11 of a seat according to the invention and constituting the backrest thereof.
  • This sheet 10 is formed of a plurality of metal wires 12 arranged transversely practically parallel to one another.
  • Each wire has a permanent elastic deformation 13, here in the middle portion of the wire.
  • This can be made of an iron wire, or preferably of a normal or hardened spring steel wire (for example according to standard DIN 2076).
  • each wire is preferably located in a plane, and more particularly that of the sheet; its geometry can be that illustrated in FIG. 2, that is to say with a linear portion offset parallel to the rest of the wire and connected to it by two oblique portions (hereinafter referred to as "bowl" shape ").
  • the wire can have one or more of these deformations along its length.
  • the transverse wires 12 are preferably fixed by their ends to the lateral branches of a support element 14 here in the shape of a U.
  • the support element 14 carrying the elastic sheet or spring 10 is fixed to the frame by means of clips 15 pinched on the tube 11 constituting this frame.
  • Figures 6 and 7 illustrate two variants 15,15 'of these clips, which can be made of spring steel, plastic, etc.
  • elements 16 are arranged in the plane of the ply perpendicular to said wires, the latter passing through transverse orifices made in these elements at regular intervals.
  • These spacers 16 may for example be made of polypropylene cords.
  • the section of FIG. 3 makes it possible to better illustrate on the one hand the fact that the deformation 13 presented by the middle part of the wire 12 is indeed in the plane of the sheet, and on the other hand the fixing of the support 14 of the sheet to the tubular frame 11 by means of the clips 15.
  • the section of FIG. 4 shows the deformation of the wire 12 under the effect of a push according to the arrows V due for example to the support against the backrest of the back of the seat user.
  • Figure 5 shows in more detail and in plan the elastic deformation 13 of the wire 12.
  • solid line is illustrated the position of the wire 12 before the assembly of the sheet on the frame.
  • the ratio between the dimensions of the oblique portions 13 ′ and of the offset linear portion 13 ′′ of the cup-shaped deformation can be modified according to the desired spring effect.
  • dashed line is illustrated the shape of the deformation 13 in the position of rest of the wire 12, the elastic sheet being fixed to the frame and the support uprights 14 being slightly more apart from one another, while the dashed lines illustrate the shape of said deformation 13 when the wire 12 is stressed by a thrust substantially perpendicular to the plane of the spring ply.
  • the seat according to the invention as described above with reference to the drawings is still covered, for example, with a plastic foam, a fabric or another material enveloping it. to constitute the finished seat.
  • the seat according to the invention has the particular advantage of being more comfortable, the spring ply having better elasticity characteristics than a rigid trellis suspended laterally, because it s extends over at least part of the bearing surface.
  • the possibility of providing different forms of deformation and of arranging them differently on the surface of the elastic ply allows the seat according to the invention to be given different elastic characteristics which are distributed differently depending, for example, on the external lining envisaged. the seat (shape and elasticity of the padding in particular), the nature of the vehicle intended to be fitted with the seat (utility, luxury, sports car, etc.) and other factors such as the weight of the user, vehicle suspension characteristics, etc.
  • the fixing of the elastic sheet to the frame by means of simple clips facilitates manufacture, since it avoids the drilling of orifices in the frame and allows the use of light tubular frames, and on the other part allows the delivery in parts of the seat and makes its final assembly easy.

Landscapes

  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Connection Of Plates (AREA)

Claims (9)

1. Sitz umfassend einen unteren Rahmen und einen oberen Rahmen (11), auf denen tragende Flächen befestigt sind, die jeweils den Boden und die Rückenlehne bilden, in denen wenigstens eine der Tragflächen von einer elastischen Schicht bzw. Materialbahn gebildet ist, die aus in Querrichtung angeordneten Fäden (12) besteht, wobei jeder Faden (12) wenigstens eine permanente Verformung (13) aufweist, die vorzugsweise in der Ebene der Schicht gelegen ist, wobei diese permanenten Verformungen (13) elastisch sind, dadurch gekennzeichnet, dass jede der permanenten Verformungen einen linearen Abschnitt aufweist, der in bezug auf den übrigen Faden parallel versetzt und mit diesem durch zwei schräge bzw. geneigte Abschnitte verbunden ist.
2. Sitz nach Anspruch 1, dadurch gekennzeichnet, dass die permanente elastische Verformung (13) im mittleren Abschnitt jedes in Querrichtung verlaufenden Fadens (12) gelegen ist.
3. Sitz nach Anspruch 1, dadurch gekennzeichnet, dass jeder Faden (12) mehrere permanente elastische Verformungen (13) aufweist.
4. Sitz nach einem der Ansprüche 1-3, dadurch gekennzeichnet, dass die in Querrichtung verlaufenden Fäden (12) aus Metall, vorzugsweise aus Eisen oder Stahl, bestehen.
5. Sitz nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass die in Querrichtung verlaufenden Fäden (12) mit ihren Enden an seitlichen Stangen bzw. Stäben (14) befestigt sind.
6. Sitz nach Anspruch 5, dadurch gekennzeichnet, dass die seitlichen Stäbe (14) an den jeweiligen seitlichen Abschnitten des Rahmens (11) mittels lösbarer Befestigungsmittel (15, 15') befestigt sind.
7. Sitz nach Anspruch 6, dadurch gekennzeichnet, dass die Befestigungsmittel Clips bzw. Klemmen (15, 15') sind, die einerseits mit den genannten seitlichen Stäben (14) zusammenwirken und anderseits auf die genannten seitlichen Abschnitte des Rahmens (11) geklemmt sind.
8. Sitz nach einem der Ansprüche 1-7, dadurch gekennzeichnet, dass die in Querrichtung verlaufenden Fäden (12) einer gleichen Schicht untereinander mittels wenigstens eines Abstandhalterelementes (16) verbunden sind, das in der Ebene der Schicht senkrecht in bezug auf die genannten Fäden (12) angeordnet ist.
9. Sitz nach Anspruch 8, dadurch gekennzeichnet, dass das Abstandhalterelement (16) ein Seil aus einem Kunststoffmaterial ist und dass dieses Seil von Queröffnungen durchsetzt ist, die im gleichen Abstand voneinander angeordnet sind und durch die in Querrichtung verlaufenden Fäden (12) der Schicht verlaufen.
EP84105798A 1983-06-10 1984-05-21 Sitz Expired EP0128407B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84105798T ATE28266T1 (de) 1983-06-10 1984-05-21 Sitz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3189/83A CH652290A5 (fr) 1983-06-10 1983-06-10 Siege.
CH3189/83 1983-06-10

Publications (2)

Publication Number Publication Date
EP0128407A1 EP0128407A1 (de) 1984-12-19
EP0128407B1 true EP0128407B1 (de) 1987-07-15

Family

ID=4250559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105798A Expired EP0128407B1 (de) 1983-06-10 1984-05-21 Sitz

Country Status (9)

Country Link
EP (1) EP0128407B1 (de)
JP (1) JPS59228809A (de)
KR (1) KR920007610B1 (de)
AT (1) ATE28266T1 (de)
BR (1) BR8402696A (de)
CH (1) CH652290A5 (de)
DE (2) DE3464693D1 (de)
ES (1) ES288723Y (de)
ZA (1) ZA844158B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7090301B2 (en) 2002-10-29 2006-08-15 L&P Property Management Company Apparatus and method for lumbar support structure
US7549700B2 (en) 2004-09-07 2009-06-23 Schukra Of North America Mechanism for thin seat lumbar

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308809B (en) * 1996-01-05 1998-07-08 Youngflex Sa Improvements in and relating to support structures for incorporation in a seat frame
GB2316604B (en) * 1996-08-23 1998-10-14 Youngflex Ag Improved seat suspension arrangement and adjustment mechanism therefor
US5762397A (en) * 1997-03-24 1998-06-09 Venuto; Dennis Wire attachment to a seat frame
GB0128417D0 (en) 2001-11-28 2002-01-16 L&P Swiss Holding Co Seat suspension arrangement
US7226130B2 (en) * 2002-09-12 2007-06-05 Steelcase Development Corporation Seating with comfort surface
DE602005004111T2 (de) * 2005-01-19 2008-12-18 L & P Swiss Holding Company Trägerstruktur für einen Sitz mit einer Tischfunktion und entsprechende Sitzfederungsanordnung
JP5388271B2 (ja) * 2008-10-20 2014-01-15 日本発條株式会社 車両用シートのバックシートフレーム構造および該構造を有する車両用シート
JP5388273B2 (ja) * 2008-11-19 2014-01-15 日本発條株式会社 車両用シートのバックシートフレーム構造および該構造を有する車両用シート
EP2347929B1 (de) 2008-10-20 2016-04-13 NHK Spring Co., Ltd. Sitzlehnenrahmenstruktur eines Sitzes für Fahrzeug und Sitz für Fahrzeug mit Sitzlehnenrahmenstruktur
CN102079259A (zh) * 2011-01-21 2011-06-01 金文哲 车辆座椅用钢丝悬挂装置及其制造方法
DE102012014029A1 (de) 2012-07-14 2014-01-16 Scherdel Marienberg Gmbh Polsterträger für einen Sitz, insbesondere Fahrzeugsitz
DE102012014210B4 (de) * 2012-07-18 2017-07-06 Adient Luxembourg Holding S.à.r.l. Sitzteil für einen Fahrzeugsitz
WO2016122439A1 (en) 2015-01-26 2016-08-04 Kongsberg Automotive, Inc. Adjustment mechanism for a seat
EP3297495A1 (de) * 2015-05-22 2018-03-28 Schukra Gerätebau GmbH Kupplungseinheit für eine tragstruktur
US9604560B1 (en) 2015-11-13 2017-03-28 Kongsberg Automotive, Inc. Assembly for adjusting a lumbar region of a seat
WO2018025796A1 (ja) * 2016-08-04 2018-02-08 テイ・エス テック株式会社 シート

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137489A (en) * 1963-05-09 1964-06-16 Van Dresser Specialty Corp Seat spring structure
GB1540204A (en) * 1977-02-28 1979-02-07 Youngflex Sa Cushion support element
US4357005A (en) * 1980-12-08 1982-11-02 Lear Siegler, Inc. Support for seat pad
JPS5838513A (ja) * 1981-08-31 1983-03-07 株式会社タチエス 車両用シ−ト支持体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7090301B2 (en) 2002-10-29 2006-08-15 L&P Property Management Company Apparatus and method for lumbar support structure
US7549700B2 (en) 2004-09-07 2009-06-23 Schukra Of North America Mechanism for thin seat lumbar

Also Published As

Publication number Publication date
EP0128407A1 (de) 1984-12-19
ZA844158B (en) 1985-01-30
JPH0236085B2 (de) 1990-08-15
KR920007610B1 (ko) 1992-09-08
CH652290A5 (fr) 1985-11-15
ES288723Y (es) 1987-04-01
KR850000221A (ko) 1985-02-26
BR8402696A (pt) 1985-05-07
DE3464693D1 (en) 1987-08-20
ES288723U (es) 1986-01-16
ATE28266T1 (de) 1987-08-15
DE128407T1 (de) 1985-03-14
JPS59228809A (ja) 1984-12-22

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