EP0489607B1 - Überzug für einen Sitz und Anwendung für Fahrzeugsitze - Google Patents

Überzug für einen Sitz und Anwendung für Fahrzeugsitze Download PDF

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Publication number
EP0489607B1
EP0489607B1 EP91402628A EP91402628A EP0489607B1 EP 0489607 B1 EP0489607 B1 EP 0489607B1 EP 91402628 A EP91402628 A EP 91402628A EP 91402628 A EP91402628 A EP 91402628A EP 0489607 B1 EP0489607 B1 EP 0489607B1
Authority
EP
European Patent Office
Prior art keywords
covering
seat
wings
envelope
occupant
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 - Lifetime
Application number
EP91402628A
Other languages
English (en)
French (fr)
Other versions
EP0489607A1 (de
Inventor
François Fourrey
Frédéric Baret
Roel Verhoog
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.)
Compagnie Europeenne de Sieges pour Automobiles CESA
Original Assignee
Compagnie Europeenne de Sieges pour Automobiles CESA
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 Compagnie Europeenne de Sieges pour Automobiles CESA filed Critical Compagnie Europeenne de Sieges pour Automobiles CESA
Publication of EP0489607A1 publication Critical patent/EP0489607A1/de
Application granted granted Critical
Publication of EP0489607B1 publication Critical patent/EP0489607B1/de
Anticipated expiration legal-status Critical
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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
    • A47C7/18—Seat parts having foamed material included in cushioning part

Definitions

  • the present invention relates to seat coverings and, in particular, coverings for seats of land motor vehicles of a type which at least locally provides a certain degree of wrapping for the occupant who has installed themselves there.
  • a certain contemporary trend aims at making seats which at least locally envelop certain parts of the body of the person who sits there. This is particularly the case for seats for land motor vehicles.
  • the tendency is to give the seat the configuration of a "bucket” in inspired by the solutions adopted for competition vehicles.
  • the seat, the backrest and even the headrest are usually provided with lateral beads. It is understood that the greater the importance and in particular the height of such beads compared to the parts which they frame of the seat, the backrest and possibly the headrest on which the occupant presses, the better the setting of this occupant in his seat.
  • the object of the invention is to manufacture an enveloping covering for a seat of the relatively enveloping type, the enveloping of which increases automatically as soon as an occupant is installed on his seat and, conversely, decreases when the occupant leaves his seat. .
  • the subject of the invention is a covering for a seat made of an external envelope and an internal cushion shaped as a median cushion bordered by two lateral wings where this cushion and these wings are arranged so as to form a bowl whose concavity is intended to receive an occupant.
  • This coating is particularly remarkable in that the cushion is in the form of a block in two elements separated by a junction surface which, in cross section has the configuration of a median bridge extended on each side by a trough formed, each, of two branches joined by a bottom, one inside is joined to the trigger guard and the other outside is connected to the bottom by a hinge zone, this trigger guard being at the plumb of this pad and these buckets plumb with these wings, in that that of these elements which is closest to the bowl is made of a material which has a softer consistency than that of the material of the other of these elements and in that this envelope covers the whole of the element closest to the bowl and at least the areas of the other element opposite this external branch and this trigger guard and is made of a material practically inextensible.
  • the arrangement of this coating is such that when the cushion bowl receives an occupant, the force exerted on the coating in line with the cushion automatically brings the wings towards one another by tilting around the hinge area and conversely when the occupant leaves the cushion.
  • a seat S is made up, usually of several parts. These parts are a seat A, a backrest D, or even a headrest R.
  • Such a seat comprises a frame 10 and a covering 20.
  • the covering 20 consists of an envelope 21 which serves as covering and which covers, at least partially, a cushion 22 which serves for padding.
  • the cushion 22 is shaped as a middle cushion 221 bordered by two lateral wings 222.
  • the cushion 22 is in the form of a block 30 in two elements 31 and 32 separated by a junction surface 300.
  • the junction surface 300 has the configuration of a median bridge 301 extended on each side by a bucket 302.
  • Each of the buckets 302 consists of two branches 3021 joined by a bottom 3022.
  • one of the branches 3021, the inner branch is joined to the trigger guard 301 while the other branch 3021, the outer branch, is connected to the bottom 3022 by a hinge zone 3020.
  • the trigger guard 301 is plumb with the bearing 221 and each of the buckets 302 is plumb with the corresponding wing 222.
  • the 221 bearing and the wings 222 are arranged so as to form a bowl 200 whose concavity is intended to receive an occupant O.
  • the element 31 which is closest to the bowl is made of a material which has a softer consistency than that of the material of the element 32 associated therewith.
  • the envelope 21 covers practically all of the element 31 which is closest to the bowl and also covers at least the areas of the element 32 which are opposite each of the outer branches and trigger guard.
  • This envelope is made of a practically inextensible material.
  • the seat covering according to the invention occupies the situation where it is illustrated in Figure 3. It can be seen that when the bowl of the cushion receives an occupant, the force exerted on the coating to the right of the cushion 221 automatically brings the wings 222 towards one another by tilting around the hinge zone 3020; and conversely, these wings move apart from one another by spontaneous tilting around this hinge zone due to the relatively elastic properties adopted for the materials of the two elements 31 and 32 and for that of the envelope 21 when the occupant leaves headquarters.
  • the element 32 is preferably made of a foam of conventional hardness usually used for seat seats while the material of which the element 31 is made is chosen from a very soft foam and in any case softer than that of the seats traditional. In this way, we see that the element 31 conforms around the occupant while the element 32 ensures the dynamic comfort of the cushion and stiffens the outer part of the wings.
  • a foam is chosen which is crushed between 2 and 7 kPa and for element 32 "hard” a foam which is crushed between 7 and 12 kPa.
  • each wing 222 When an occupant takes place in the seat, the areas of the element 31 which are adjacent to the interior branches 3021 are compressed and by the intermediary of the envelope 21 pull on the crest of each of the wings 222.
  • These wings 222 whose outer areas which are opposite each of the outer branches 3021 are relatively stiffened by the element 32 made of a more "hard” material, tend to move in one piece, rocking around the hinge area 3020 This tilting means that each wing covers part of the occupant, for example his thighs for the seat, his back and his shoulders for the backrest, even his head for the headrest.
  • the envelope 21 is a "skin" self-formed on the foam of the elements 31 and 32 or else a “skin” attached to the cushion 22.
  • the covering according to the invention is suitable for seats whose frame is external or at least partly incorporated in the covering.
  • a coating according to the invention allows you to incorporate a retractable seat belt into the seat. In such a case, the belt strap comes out through a slot F.

Landscapes

  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (5)

  1. Sitzauskleidung (20) mit einer äußeren Umhüllung (21) und einer inneren Polsterung (22), die aus einer mittleren Füllung (221) geformt ist, welche durch zwei seitliche Flügel (222) begrenzt wird, wobei die Füllung (221) und die Flügel (222) derart angeordnet sind, daß eine Schale (200) gebildet wird, deren konkave Form zur Aufnahme eines Sitzbenutzers bestimmt ist, die Polsterung (22) in der Form eines Blocks (30) aus zwei durch eine Verbindungsfläche (300) getrennten Elementen (31, 32) ausgebildet ist, wobei die Verbindungsfläche im Querschnitt die Form eines mittleren Brückenabschnitts (301) besitzt, der auf jeder Seite durch eine Mulde (302) verlängert ist, welche jeweils aus zwei Abschnitten (3021) bestehen, die über einen Boden (3022) miteinander verbunden sind und von denen der innere Abschnitt (3021) mit dem Brückenabschnitt (301) und der äußere Abschnitt (3021) über einen gelenkigen Abschnitt (3020) mit dem Boden (3022) verbunden ist und der Brückenabschnitt (301) senkrecht zur Füllung (221) und die Mulden (302) senkrecht zu den Flügeln (222) verlaufen, wobei ferner dasjenige der Elemente (31, 32), das der Schale (200) am nächsten liegt, aus einem Material gefertigt ist, das eine weichere Konsistenz besitzt als das Material des anderen Elementes (32), und die Umhüllung (21) das gesamte, zur Schale (200) am nächsten liegende Element (31) sowie mindestens die Bereiche des anderen Elementes (32) bedeckt, die den äußeren Abschnitten (3021) und dem Brückenabschnitt (301) gegenüber liegen, und aus einem praktisch unelastischen Material gefertigt ist, so daß dann, wenn die Polsterschale (200) einen Insassen aufnimmt, die auf die Auskleidung (20) senkrecht zur Füllung (221) ausgeübte Kraft eine automatische Annäherung der Flügel (222) aufeinander zu durch Verschwenken um die gelenkige Zone (3020) bewirkt und umgekehrt.
  2. Auskleidung nach Anspruch 1, dadurch gekennzeichnet, daß es sich bei den Materialien, aus denen die Elemente (31, 32) gefertigt sind, um Schäume handelt und daß das Material mit der weicheren Konsistenz einen Kompressionsdruck in einem Bereich von 2 bis 7 kPa aufweist, während das andere Material einen Kompressionsdruck in einem Bereich von 7 bis 12 kPa besitzt.
  3. Auskleidung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß es sich bei der Umhüllung (21) um eine auf dem Schaum selbst ausgebildete Haut handelt.
  4. Auskleidung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Umhüllung (21) auf die Polsterung (22) aufgetragen ist.
  5. Verwendung einer Auskleidung (20) nach einem der Ansprüche 1 bis 4 für das Sitzteil (A), gegebenenfalls die Rückenlehne (D) und sogar die Kopfstütze (R) eines Sitzes (S) eines Kraftfahrzeuges.
EP91402628A 1990-12-03 1991-10-02 Überzug für einen Sitz und Anwendung für Fahrzeugsitze Expired - Lifetime EP0489607B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9015113 1990-12-03
FR9015113A FR2669815B1 (fr) 1990-12-03 1990-12-03 Revetement enveloppant pour siege et son application aux sieges de vehicule.

Publications (2)

Publication Number Publication Date
EP0489607A1 EP0489607A1 (de) 1992-06-10
EP0489607B1 true EP0489607B1 (de) 1994-12-14

Family

ID=9402837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402628A Expired - Lifetime EP0489607B1 (de) 1990-12-03 1991-10-02 Überzug für einen Sitz und Anwendung für Fahrzeugsitze

Country Status (6)

Country Link
US (1) US5219205A (de)
EP (1) EP0489607B1 (de)
JP (1) JPH07102167B2 (de)
DE (1) DE69105932T2 (de)
ES (1) ES2065645T3 (de)
FR (1) FR2669815B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2077119A1 (en) * 1992-08-26 1994-03-01 Matthew H. Silverman Child's automotive safety booster seat with a view
FR2728204B1 (fr) 1994-12-19 1997-03-14 Cesa Siege articule a garniture perfectionnee mobile, et son application notamment aux vehicules terrestres
US6536844B2 (en) * 1999-11-18 2003-03-25 Moeller Marine Products Blow-molded seat assembly and method of making same
DE102007028052B4 (de) * 2006-11-09 2020-09-24 Adient Luxembourg Holding S.À R.L. Fahrzeugsitz
DE102016212387A1 (de) * 2016-05-27 2017-11-30 Lear Corporation Sitz-Stützschichtanordnung
DE102017004415B4 (de) 2017-05-05 2022-10-13 Audi Ag Fahrzeugsitz für ein Kraftfahrzeug, Sitzvorrichtung für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Verstellen eines Fahrzeugsitzes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053540A (de) * 1960-05-21 1900-01-01
US4607887A (en) * 1984-02-24 1986-08-26 Hoover Universal, Inc. Encapsulated bolster
US4740035A (en) * 1985-09-30 1988-04-26 Aisin Seiki Kabushiki Kaisha Upholstered seat for automobiles
FR2615714B1 (fr) * 1987-05-26 1989-09-08 Faure Bertrand Automobile Perfectionnements aux coussins en mousse et a leurs procedes et dispositifs de fabrication
JPS6414053U (de) * 1987-07-15 1989-01-24
IT1219016B (it) * 1988-02-12 1990-04-24 Tis Tecnologia Innovazione Sti Elemento di molleggio e contenimento laterale per una seduta e o uno schienale di un sedile e sedile in corporante tale elemento

Also Published As

Publication number Publication date
FR2669815B1 (fr) 1993-03-19
ES2065645T3 (es) 1995-02-16
DE69105932D1 (de) 1995-01-26
FR2669815A1 (fr) 1992-06-05
JPH07251A (ja) 1995-01-06
DE69105932T2 (de) 1995-05-04
EP0489607A1 (de) 1992-06-10
US5219205A (en) 1993-06-15
JPH07102167B2 (ja) 1995-11-08

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