EP1839533B1 - Dispositif destiné à s'asseoir - Google Patents

Dispositif destiné à s'asseoir Download PDF

Info

Publication number
EP1839533B1
EP1839533B1 EP07001360.2A EP07001360A EP1839533B1 EP 1839533 B1 EP1839533 B1 EP 1839533B1 EP 07001360 A EP07001360 A EP 07001360A EP 1839533 B1 EP1839533 B1 EP 1839533B1
Authority
EP
European Patent Office
Prior art keywords
support means
supporting means
mechanical
backrest
pneumatic
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.)
Not-in-force
Application number
EP07001360.2A
Other languages
German (de)
English (en)
Other versions
EP1839533A2 (fr
EP1839533A3 (fr
Inventor
Hartmut SCHÜRG
Lena Fakler
Oliver Forgatsch
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.)
Recaro Aircraft Seating GmbH and Co KG
Original Assignee
Recaro Aircraft Seating GmbH and Co KG
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 Recaro Aircraft Seating GmbH and Co KG filed Critical Recaro Aircraft Seating GmbH and Co KG
Publication of EP1839533A2 publication Critical patent/EP1839533A2/fr
Publication of EP1839533A3 publication Critical patent/EP1839533A3/fr
Application granted granted Critical
Publication of EP1839533B1 publication Critical patent/EP1839533B1/fr
Not-in-force legal-status Critical Current
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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/467—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by fluid means

Definitions

  • the invention relates to a seat device according to the preamble of claim 1.
  • the publication US 5 137 329 A discloses a seat apparatus having an adjustable support unit for integration into a seat component, which has two pneumatic support means and an adjustable mechanical support means.
  • the mechanical support means is held by an elastic band which passes through apertures in the mechanical support means and is fastened to the mechanical support means by fasteners.
  • the adjustable mechanical support means may be tilted by alternating changes of media pressure in the two pneumatic support means with both an upper edge forward (upper pneumatic support means inflated, lower pneumatic support means deflated) and upper edge rearward (upper pneumatic support means deflated, lower pneumatic proppant inflated).
  • the invention is based on a seat device with an adjustable, for integration into a seat component provided support unit having at least one pneumatic support means and at least one mechanical support means.
  • the mechanical support means is formed by a pivotally mounted flap and extends almost over an entire width of a backrest and in its edge remote from a seat bottom is pivotally mounted about a pivot axis on a backrest frame.
  • a "mechanical support means” is to be understood as meaning, in particular, an agent formed by a body, which in particular faces a flexurally soft component, such as a flexurally soft shell of a pneumatic support means and a flexible fabric cover, is suitable and in particular also intended to transmit functional forces transversely to a surface extension.
  • the means formed by the body is advantageously formed transversely to its surface extension rigid and / or particularly preferably elastically deformable, in particular by the weight of a passenger in the application by more than a millimeter.
  • the mechanical support means may be made of various materials that appear appropriate to those skilled in the art, such as composites, such as carbon fiber materials, glass fiber materials, and / or one or more plastics, for example, by this is produced in a multi-component injection molding, etc.
  • composites such as carbon fiber materials, glass fiber materials, and / or one or more plastics
  • the mechanical support means can be designed manually and / or adjustable by additional actuators.
  • the pneumatic support means is particularly advantageously coupled to the mechanical support means and is provided for actuating the mechanical support means, whereby additional, in particular heavy actuators can be avoided.
  • the mechanical support means in the direction of at least one surface extension have a varying rigidity, in particular flexural rigidity, whereby different supporting effects can be achieved in a targeted manner over the surface extensions.
  • a seat device which comprises an adjustable, provided for integration in a seat component support unit comprising at least one adjustable mechanical support means, wherein the seat device has an actuating unit which is provided to adjust at least partially automated, the support unit depending on a characteristic.
  • an advantageous setting can be realized and the comfort can be increased. Due to the combination of at least one mechanical support means and at least one pneumatic support means, different support effects can advantageously be achieved and, in particular, an advantageously large adjustment range can be achieved, so that different settings can advantageously be realized depending on at least one parameter.
  • the setting unit can adjust the support unit depending on various parameters that appear appropriate to those skilled in the art, but particularly advantageously depending on a seat component position and in particular depending on a backrest position.
  • Significantly changing requirements for the support unit by changing a position of a seat component and in particular the position of a backrest can thus be advantageously taken into account.
  • the support unit forms an adjustable lumbar support, so that, in particular in the lower region of a backrest, an advantageously large adjustment range, in particular a setting range dependent on a parameter, can be achieved.
  • the support unit has at least two pneumatic support means to achieve different settings, which structurally simple different support effects can be achieved, in particular if the pneumatic support means coupling points to the mechanical support means, the different distances from one Pivot axis of the mechanical support means are spaced.
  • the setting unit comprises a valve unit, which can be easily realized on the control and / or regulation of an amount of air in a pneumatic support means an adjustment, namely by supplied via the valve unit air and / or in particular by the air via the valve unit a certain seat component position drained or a pneumatic proppant is vented.
  • the solution according to the invention is suitable for all seats that appear reasonable to the person skilled in the art, such as seats for coaches, boat ferries, halls, congress halls, but advantageous for vehicle seats and particularly advantageous for aircraft seats.
  • FIG. 1 shows an aircraft seat with a seat device according to the invention, which has a built in a seat back formed by a seat component 10, designed as a lumbar support unit 12.
  • the supporting unit 12 which is arranged in the lower region of the backrest below a cover 34 of the backrest, has three pneumatic support means 14, 16, 18 formed by air bags and an adjustable mechanical support means 20 formed by a pivotably mounted individual flap and made of a carbon fiber composite material ,
  • the mechanical support means 20 extends almost over the entire width of the backrest, is pivotally mounted in its upper or a seat bottom 36 facing edge region about a pivot axis 26 on a seat back frame 28 and has for this laterally on frame members of the backrest frame 28 extending wings 30 ( FIG. 2 ).
  • the substantially immediately above the seat bottom 36 final mechanical support means 20 is formed around a longitudinal axis 38 of the backrest and curved about a transverse axis 40 of the backrest, namely, the mechanical support means 20 about the transverse axis 40 in the arranged in the back frame 28 backrest cover 32nd executed curved away direction and is curved around the longitudinal axis 38 in the direction of the backrest cover 32, whereby an advantageous ergonomic adaptation is achieved ( Figures 2 and 3 ).
  • the three pneumatic support means 14, 16, 18 are arranged between the backrest cover 32 and the mechanical support means 20, are coupled to the mechanical support means 20 via a respective coupling point and are provided for actuating the mechanical support means 20 (FIG. FIGS. 2 to 5 ).
  • the tube-like pneumatic support means 14 is arranged in the upper region, ie in the region of the pivot axis 26, extends parallel to the pivot axis 26 and has shortly below the pivot axis 26 a parallel to the pivot axis 26 extending coupling point with the mechanical support means 20.
  • the kidney-shaped pneumatic support means 16, 18 are below, i. arranged on a side facing away from the pivot axis 26 of the pneumatic support means 14 in a left and a right region of the backrest and are coupled in the lower region of the mechanical support means 20 via coupling points with the same.
  • the coupling points of the pneumatic support means 16, 18 are thus further spaced from the pivot axis 26 as the coupling point of the pneumatic support means fourteenth
  • the mechanical support means 20 is elastically deformable transversely to its major surface extension and has in its surface extension 22, ie in the direction of the longitudinal axis 38 of the backrest, a continuously changing flexural rigidity, namely, the flexural rigidity increases from the upper region of the mechanical support means 20 towards the lower . the seat bottom 36 facing portion of the mechanical support means 20 to continuously.
  • the mechanical support means 20 in the upper region or in the region of the pivot axis 26 thin-walled and thus with a smaller bending stiffness and in the lower or in the area facing away from the pivot axis 26 thick-walled and thus executed with a greater bending stiffness, which in the upper part of the mechanical Support means 20 a particularly advantageous adaptability and in the lower region of the support means 20, an advantageous power transmission can be achieved.
  • the seat device has an actuating unit 24 with a valve unit 46, which is intended to partially automatically adjust the support unit 12 as a function of a backrest position.
  • the pneumatic support means 14 can be filled and also emptied by a passenger via an operating unit (not shown) by means of an electric pump 42 via the valve unit 46 of the setting unit 24 so that the mechanical support means 20 are actuated ( FIG. 4 ).
  • an electric pump 42 may be integrated as a unit, in particular as a lever unit 48, in the region of the seat bottom 36 or may be designed as a simple hand bellows 50, as shown in the FIGS. 1 . 4 and 5 indicated by dashed lines.
  • the pneumatic support means 14 is coupled in a relatively flexible region with the mechanical support means 20, so that this can be advantageously elastically deformed about the pneumatic support means 14, as in FIG. 4 is indicated by dashed lines, and advantageously a seat reference point is maintained.
  • a connection between the pump 42 and the pneumatic support means 16, 18 is made via the valve unit 46 of the actuator 24 and a connection between the pump 42 and the pneumatic support means 14 is interrupted. Furthermore, the pneumatic support means 14 is vented. From the passenger now the pneumatic support means 16, 18 can be filled and emptied ( FIG. 5 ). When the pneumatic support means 16, 18 are filled, they push the mechanical support means 20 in the direction of the passenger and support the passenger in the pelvic area, so that a comfortable lying position can be assumed. The position of the backrest is sensed via a mechanical unit 44 of the actuator 24 and an actuating movement is from the backrest on the mechanical unit 44 to the valve unit 46 of the Actuator 24 transmitted.

Landscapes

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

Claims (7)

  1. Dispositif de siège avec une unité d'appui (12) prévue pour être intégrée dans un composant de siège (10), laquelle comprend au moins un moyen d'appui pneumatique (14, 16, 18) et au moins un moyen d'appui mécanique (20) ajustable,
    caractérisé en ce que
    le moyen d'appui mécanique (20) est implémenté par un clapet pivotablement supporté et s'étend à travers de presque une largeur entière d'un dossier et est pivotablement supporté dans sa région périphérique détournée d'un fond de siège (36) autour d'un arbre oscillant (26) à un cadre de dossier (28).
  2. Dispositif de siège selon la revendication 1,
    caractérisé en ce que
    le moyen d'appui pneumatique (14, 16, 18) est couplé avec le moyen d'appui mécanique (20) et est prévu pour actionner le moyen d'appui mécanique (20).
  3. Dispositif de siège selon la revendication 1 ou 2,
    caractérisé en ce que
    le moyen d'appui mécanique (20) comporte une rigidité changeant dans une direction d'au moins une extension planaire (22).
  4. Dispositif de siège selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'unité d'appui (12) implémente un appui de lordose ajustable.
  5. Dispositif de siège au moins selon la revendication 1,
    caractérisé en ce que
    l'unité d'appui (12) comprend au moins deux moyens d'appui pneumatiques (14, 16, 18) pour obtenir des ajustements différents.
  6. Dispositif de siège au moins selon la revendication 5,
    caractérisé en ce que
    les moyens d'appui pneumatiques (14, 16, 18) comprennent des points de couplage au moyen d'appui mécanique (20), lesquels sont placés à distances différentes d'un arbre oscillant (26) du moyen d'appui mécanique (20).
  7. Siège avec un dispositif de siège selon l'une quelconque des revendications précédentes.
EP07001360.2A 2006-03-31 2007-01-23 Dispositif destiné à s'asseoir Not-in-force EP1839533B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006015523A DE102006015523A1 (de) 2006-03-31 2006-03-31 Sitzvorrichtung

Publications (3)

Publication Number Publication Date
EP1839533A2 EP1839533A2 (fr) 2007-10-03
EP1839533A3 EP1839533A3 (fr) 2010-10-27
EP1839533B1 true EP1839533B1 (fr) 2016-03-02

Family

ID=38055465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07001360.2A Not-in-force EP1839533B1 (fr) 2006-03-31 2007-01-23 Dispositif destiné à s'asseoir

Country Status (3)

Country Link
US (1) US20070228790A1 (fr)
EP (1) EP1839533B1 (fr)
DE (2) DE102006015523A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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US7575278B2 (en) * 2007-10-19 2009-08-18 Toyota Boshoku Kabushiki Kaisha Seat backs for vehicular seats
DE102009011387A1 (de) * 2009-03-03 2010-09-09 Recaro Aircraft Seating Gmbh & Co. Kg Fluggastsitzvorrichtung
HU3823U (en) * 2010-03-11 2010-08-30 Gubas Gabi Safety airplane seat
EP2443967B1 (fr) * 2010-10-22 2013-05-08 Stoll Giroflex AG Dossier pour un dispositif de siège et dispositif de siège
US20130062920A1 (en) * 2011-09-14 2013-03-14 Ron McDiarmid Chair with inflatable bladder system
US10455945B2 (en) * 2012-10-23 2019-10-29 Lear Corporation Thoracic region comfort seating system
DE102013005859A1 (de) * 2013-04-08 2014-10-09 Zim Flugsitz Gmbh "Fluggastsitz mit einem Gestell"
JP5892138B2 (ja) * 2013-10-04 2016-03-23 トヨタ自動車株式会社 ショルダサポートアジャスタ及び車両用シート
US10427556B2 (en) 2016-06-03 2019-10-01 Faurecia Automotive Seating, Llc Backrest adjuster for a vehicle seat
US10358054B2 (en) * 2016-07-05 2019-07-23 Faurecia Automotive Seating, Llc Variable-sized seat back for a vehicle seat
JP6825359B2 (ja) * 2016-12-27 2021-02-03 トヨタ紡織株式会社 乗物用シート
US20190118677A1 (en) 2017-10-25 2019-04-25 Adient Engineering and IP GmbH Vehicle seat
US10633096B1 (en) * 2018-10-15 2020-04-28 Ami Industries, Inc. Supplemental recline panel for aircraft cabin attendant seat

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Also Published As

Publication number Publication date
EP1839533A2 (fr) 2007-10-03
DE202006006570U1 (de) 2006-08-10
EP1839533A3 (fr) 2010-10-27
DE102006015523A1 (de) 2007-10-04
US20070228790A1 (en) 2007-10-04

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