ES2531969T3 - Tilt mechanism of the back of a seat - Google Patents

Tilt mechanism of the back of a seat Download PDF

Info

Publication number
ES2531969T3
ES2531969T3 ES09784395.7T ES09784395T ES2531969T3 ES 2531969 T3 ES2531969 T3 ES 2531969T3 ES 09784395 T ES09784395 T ES 09784395T ES 2531969 T3 ES2531969 T3 ES 2531969T3
Authority
ES
Spain
Prior art keywords
backrest
seat
frame
return
pivot axis
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.)
Active
Application number
ES09784395.7T
Other languages
Spanish (es)
Inventor
Etienne Girardin
Jean Antoine Krommenacker
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.)
Steelcase SA
Original Assignee
Steelcase SA
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 Steelcase SA filed Critical Steelcase SA
Application granted granted Critical
Publication of ES2531969T3 publication Critical patent/ES2531969T3/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A47C7/36—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/48—Supports for the head or the back for the back of freely-rotatable type

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
  • Seats For Vehicles (AREA)

Abstract

Mecanismo de basculamiento controlado del respaldo (3) de un asiento (1) con respecto a un armazón (4) del asiento (1) que define un eje de pivotamiento de extensión horizontal, estando la amplitud del basculamiento definida entre una primera posición angular de reposo estable y una segunda posición angular de basculamiento máximo, estando unos medios de retorno (16, 16') interpuestos entre dicho armazón (4) y el respaldo (3) para hacer retornar el respaldo (3) a su primera posición estable en caso de basculamiento, estando dichos medios de retorno (16,16') colocados en el respaldo (3) y ejerciendo un par de retorno con respecto al eje de pivotamiento, que está definido por dos pivotes (10) solidarios con el armazón (4) alrededor de los cuales está articulado lateralmente dicho respaldo (3), caracterizado por que los medios de retorno están constituidos, al nivel de cada pivote (10), por al menos una barra flexible (16, 16') elástica colocada a cada lado de un plano medio horizontal que comprende el eje de pivotamiento, estando un primer extremo de cada barra (16, 16') fijado al respaldo (3), estando el segundo extremo libre y en contacto con un tope (12, 12') del pivote (10).Controlled tilt mechanism of the backrest (3) of a seat (1) with respect to a frame (4) of the seat (1) defining a horizontally extending pivot axis, the amplitude of the tilt defined between a first angular position of stable rest and a second angular position of maximum tilt, with return means (16, 16 ') interposed between said frame (4) and the backrest (3) to return the backrest (3) to its first stable position in case of tilting, said return means (16,16 ') being placed on the backrest (3) and exerting a return torque with respect to the pivot axis, which is defined by two pivots (10) integral with the frame (4) around which said backrest (3) is articulated laterally, characterized in that the return means are constituted, at the level of each pivot (10), by at least one elastic flexible bar (16, 16 ') placed on each side of a medium plane h orizontal comprising the pivot axis, a first end of each bar (16, 16 ') being fixed to the backrest (3), the second end being free and in contact with a stop (12, 12') of the pivot (10) .

Description

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Claims (1)

imagen1image 1
ES09784395.7T 2009-05-27 2009-05-27 Tilt mechanism of the back of a seat Active ES2531969T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2009/050988 WO2010136660A1 (en) 2009-05-27 2009-05-27 Method for tilting the backrest of a seat

Publications (1)

Publication Number Publication Date
ES2531969T3 true ES2531969T3 (en) 2015-03-23

Family

ID=41510781

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09784395.7T Active ES2531969T3 (en) 2009-05-27 2009-05-27 Tilt mechanism of the back of a seat

Country Status (3)

Country Link
EP (1) EP2434929B1 (en)
ES (1) ES2531969T3 (en)
WO (1) WO2010136660A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6974188B2 (en) * 2003-08-13 2005-12-13 Cosco Management, Inc. Chair with pivotable chair back
JP2007125221A (en) * 2005-11-04 2007-05-24 Okamura Corp Backrest device of chair
US7837265B2 (en) * 2006-03-24 2010-11-23 Hni Corporation Reclining chair with enhanced adjustability

Also Published As

Publication number Publication date
EP2434929A1 (en) 2012-04-04
EP2434929B1 (en) 2014-12-10
WO2010136660A1 (en) 2010-12-02

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