EP3345508B1 - Chaise à coque en une seule pièce - Google Patents

Chaise à coque en une seule pièce Download PDF

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Publication number
EP3345508B1
EP3345508B1 EP18150177.6A EP18150177A EP3345508B1 EP 3345508 B1 EP3345508 B1 EP 3345508B1 EP 18150177 A EP18150177 A EP 18150177A EP 3345508 B1 EP3345508 B1 EP 3345508B1
Authority
EP
European Patent Office
Prior art keywords
seat
chair
backrest
support
intermediate element
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
EP18150177.6A
Other languages
German (de)
English (en)
Other versions
EP3345508A1 (fr
Inventor
Martin Ballendat
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.)
DESIGN BALLENDAT GmbH
Original Assignee
Design Ballendat GmbH
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 Design Ballendat GmbH filed Critical Design Ballendat GmbH
Publication of EP3345508A1 publication Critical patent/EP3345508A1/fr
Application granted granted Critical
Publication of EP3345508B1 publication Critical patent/EP3345508B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/12Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests

Definitions

  • the invention relates to a chair with a one-piece seat shell.
  • a chair which has a frame and a seat shell with a seat element and a backrest.
  • the invention is therefore based on the object of creating a chair which is distinguished by a simple construction and at the same time has a stable seating area and a stable backrest area.
  • the chair according to the invention comprises a support frame and a one-piece seat shell arranged on the support frame, which comprises a seat element and a backrest element.
  • a flexible intermediate element is arranged between the seat element and the backrest element.
  • the seat element is mechanically uncoupled from the support frame in relation to the support frame in the longitudinal direction of the chair due to the flexible intermediate element.
  • the backrest element is mechanically uncoupled in the vertical direction of the chair due to the flexible intermediate element relative to the seat element relative to the support frame.
  • the seat element and the backrest element are also due to the flexible intermediate element about at least one axis extending at least partially in the longitudinal direction of the chair pivotable to each other.
  • the seat shell is designed as a one-piece plastic injection molded part.
  • Position adjustment is to be understood as the adjustment of the position of a chair element to adapt to a user.
  • a chair element can thus be adjusted from a first position to a second position and locked there.
  • both the seat element and the backrest element are largely rigid in themselves and a flexible intermediate element is arranged between these two elements, a relatively stable seating area and a relatively stable backrest area are realized with a simple construction at the same time.
  • the flexible intermediate element enables the seat element to be positionally adjustable in the longitudinal direction of the chair without this position setting having an influence on the position of the backrest element.
  • the flexible intermediate element follows the adjustment of the position to the same extent in its transition region to the seat element.
  • the position of the flexible intermediate element on the backrest element side remains unchanged and thus the position of the backrest element also remains unchanged.
  • the flexible intermediate element makes it possible for the backrest element to be positionally adjustable in the vertical direction of the chair without this position setting having an influence on the position of the seat element.
  • the flexible intermediate element follows the adjustment of the position to the same extent in its transition region to the backrest element.
  • the position of the flexible intermediate element remains unchanged on the seat element side and thus the position of the seat element also remains unchanged.
  • the seat element and the backrest element can be pivoted relative to one another about at least one axis that extends at least partially in the longitudinal direction of the chair.
  • the seat element can be pivoted in the transverse direction of the chair by a first angle
  • the backrest element can be pivoted by a second angle, the two angles being unequal.
  • a movement of one of the two elements leads to a torsion of the one-piece seat shell due to the flexible intermediate element.
  • pivoting the backrest element to one side with respect to a vertical central longitudinal plane of the chair can lead to pivoting of the seat element in the opposite direction with respect to the vertical central longitudinal plane of the chair.
  • the seat shell as a one-piece plastic injection molded part, the chair can be manufactured in a simple manner and a permanently dimensionally stable seat shell can be ensured.
  • the one-piece plastic injection-molded part is a multi-component injection-molded part, in particular a two-component injection-molded part.
  • the seat element and the backrest element are formed from a first plastic component and the intermediate element from a second plastic component.
  • the intermediate element has a convex profile which extends in a cross section along a vertical longitudinal center plane of the chair and projects in the direction of the back of the chair.
  • the convex shape means that the length of the intermediate element is significantly lengthened compared to a direct connection between the seat element and the backrest element.
  • An intermediate element is thus formed, which holds material ready to compensate for position settings of the seat element and the backrest element.
  • the larger the bulged course of the intermediate element, the larger can also be the position adjustment paths of the seat element and the backrest element.
  • the carrier frame comprises a carrying unit which carries the seat shell and preferably comprises a synchronous mechanism.
  • a support unit can further improve the movement behavior of the chair on movements of the user.
  • the support unit comprises a swivel unit for the seat element and a swivel arm for the backrest element.
  • the swivel unit serves to tilt the seat element in the transverse direction of the chair and lies directly against the seat element.
  • the seat element is displaceable relative to the swivel unit.
  • the swivel arm supports the backrest element and serves to pivot the backrest element about a swivel axis in the transverse direction of the chair.
  • the backrest element can be moved relative to the swivel arm.
  • the intermediate element serves as a restoring element for the backrest element, that is to say by means of the intermediate element it is ensured that the backrest element is held in its unloaded state or in the absence of a laterally acting tilting force in a central position in which one The vertical axis of the backrest element viewed in the longitudinal direction of the chair has a vertical orientation. If necessary, an additional return spring can be dispensed with, which acts on a column of the backrest element.
  • a chair 2 which comprises a support frame 10 and a one-piece seat shell 20 arranged on the support frame 10.
  • the support frame 10 has five support arms 11, which are each provided with a bottom-side roller 13.
  • the support frame can also be a support frame with four chair legs.
  • the support frame 10 comprises a support unit 14 which supports the seat shell 20.
  • the support unit 14 in turn comprises a synchronous mechanism, a swivel unit 12 and a swivel arm 16.
  • the one-piece seat shell 20 comprises a seat element 22 and a backrest element 26.
  • the seat shell 20 comprises a flexible intermediate element 24, which is arranged between the seat element 22 and the backrest element 26 and is inseparably connected to both elements 22, 26.
  • the swivel unit 12 of the support unit 14 carries the seat element 22 and serves to tilt the seat element 22 in the transverse direction of the chair.
  • the pivot arm 16 of the support unit 14 engages the backrest element 26 and serves to pivot the backrest element 26 about a pivot axis 17 in the transverse direction of the chair.
  • the pivot unit 12 of the support unit 14 also serves to pivot the seat element 22 and the backrest element 26 in the longitudinal direction of the chair.
  • the swivel unit 12 is designed such that the seat element 22 can be swiveled about at least one seat element swivel axis 19a and the backrest element 26 can swivel about a backrest element swivel axis 19b.
  • the seat shell 20 is designed as a two-component injection-molded part, the seat element 22 and the backrest element 26 being formed from a rigid first component and the flexible intermediate element 24 being formed from a second flexible component.
  • the intermediate element 24 has a convex shape that extends in a cross section along a vertical longitudinal center plane of the chair and projects in the direction of the back of the chair, as in particular Figure 2 shows.
  • the width of the connection area of the intermediate element 24 on the seat element side corresponds to the width of the connection area of the seat element 22.
  • the width of the connection area of the intermediate element 24 corresponds to the width of the connection area of the backrest element 26 on the backrest element side.
  • the backrest element 26 has a holding web 28 on its rear side, on which the swivel arm 16 engages.
  • a slide bearing is formed between the holding web 28 and the swivel arm 16.
  • the seat element 22 can be adjusted mechanically uncoupled in the longitudinal direction L of the chair due to the flexible intermediate element 24 relative to the backrest element 26 relative to the support frame 10.
  • the backrest element 26 can be adjusted mechanically uncoupled in relation to the support frame 10 in the vertical direction H due to the flexible intermediate element 24 relative to the seat element 22. Because of its flexibility, the intermediate element 24 is used to allow the position of the seat element 22 and / or the backrest element 26 to be adjusted without influencing the position of the respective other element 22, 26.
  • the seat element 22 and the backrest element 26 are pivotable relative to one another due to the flexible intermediate element 24 about at least one axis extending at least partially in the longitudinal direction of the chair.
  • the Figures 3 and 4th namely show by way of example that the backrest element 26 is tilted by a larger angle in the transverse direction of the chair than the seat element 22. The backrest element 26 is consequently pivoted with respect to the seat element 22.
  • a user can thus initiate a movement into the seat shell 20, to which the seat shell 20 reacts with a corresponding movement of the seat element 22 and the backrest element 26. It is also possible for the seat pan 20 to be twisted in such a way that the seat element 22 can be moved counter to the direction of movement of the backrest element 26.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (6)

  1. Chaise, comprenant
    un cadre de support (10) et
    une coque de siège (20) monobloc disposée sur le cadre de support (10), la coque de siège (20) comprenant un élément de siège (22) et un élément de dossier (26) entre lesquels est disposé un élément intermédiaire (24) flexible,
    l'élément intermédiaire (24) flexible permettant à l'élément de siège (22) et à l'élément de dossier (26) de pivoter l'un par rapport à l'autre autour d'au moins un axe s'étendant, au moins en partie, dans la direction longitudinale de la chaise, caractérisée en ce que
    l'élément intermédiaire (24) flexible permet d'ajuster la position de l'élément de siège (22) dans la direction longitudinale de la chaise par rapport au cadre de support (10) de manière mécaniquement séparée de l'élément de dossier (26), l'élément intermédiaire (24) flexible permet d'ajuster la position de l'élément de dossier (26) dans la direction verticale de la chaise par rapport au cadre de support (10) de manière mécaniquement séparée de l'élément de siège (22), et
    la coque de siège (20) est réalisée comme pièce monobloc en matière plastique moulée par injection.
  2. Chaise selon la revendication 1, dans laquelle
    la pièce monobloc en matière plastique moulée par injection est une pièce moulée par injection multi-composants, notamment une pièce moulée par injection bi-composants.
  3. Chaise selon l'une quelconque des revendications 1 à 2, dans laquelle l'élément intermédiaire (24) a une forme convexe s'étendant le long d'un plan médian longitudinal vertical de la chaise en section transversale et faisant saillie vers l'arrière de la chaise.
  4. Chaise selon l'une quelconque des revendications 1 à 3, dans laquelle
    le cadre de support (10) comprend une unité porteuse (14) qui supporte la coque de siège (20) et qui comprend, de préférence, un mécanisme synchrone.
  5. Chaise selon la revendication 4, dans laquelle
    l'unité porteuse (14) comprend une unité de pivotement (12) pour l'élément de siège (22) et un bras de pivotement (16) pour l'élément de dossier (26).
  6. Chaise selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'élément intermédiaire sert d'élément de rappel pour l'élément de dossier de sorte que l'élément de dossier est situé dans une position médiane dans l'état non chargé.
EP18150177.6A 2017-01-04 2018-01-03 Chaise à coque en une seule pièce Active EP3345508B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017100117 2017-01-04
DE202017102909.3U DE202017102909U1 (de) 2017-01-04 2017-05-15 Stuhl mit einteiliger Sitzschale

Publications (2)

Publication Number Publication Date
EP3345508A1 EP3345508A1 (fr) 2018-07-11
EP3345508B1 true EP3345508B1 (fr) 2020-06-17

Family

ID=62026929

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18150177.6A Active EP3345508B1 (fr) 2017-01-04 2018-01-03 Chaise à coque en une seule pièce
EP18000037.4A Active EP3345507B1 (fr) 2017-01-04 2018-01-04 Mécanisme pour une chaise

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18000037.4A Active EP3345507B1 (fr) 2017-01-04 2018-01-04 Mécanisme pour une chaise

Country Status (3)

Country Link
US (1) US10499742B2 (fr)
EP (2) EP3345508B1 (fr)
DE (1) DE202017102909U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111329271B (zh) * 2016-02-23 2023-08-08 国誉株式会社 椅子及座的支承机构
US10702066B2 (en) * 2018-11-19 2020-07-07 Profim SP. ZO.O Office chair
DE102020124975A1 (de) * 2020-09-24 2022-03-24 Bock 1 Gmbh & Co. Kg Mechanik für einen Stuhl

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666171A5 (de) * 1984-10-03 1988-07-15 Giroflex Entwicklungs Ag Stuhl mit rueckwaerts neigbarem sitz- und rueckenlehnentraeger.
US5538326A (en) * 1994-11-14 1996-07-23 Milsco Manufacturing Company Flexible unitary seat shell
WO2000078185A2 (fr) * 1999-06-17 2000-12-28 Steelcase Inc. Construction de fauteuil
DE10106791A1 (de) * 2001-02-12 2002-08-14 Sdm Hansen Gmbh St Margrethen Sitzmöbel
ITMI20022194A1 (it) * 2002-10-16 2004-04-17 Icf Spa Sedia avente sedile e schienale mobili.
US7857390B2 (en) * 2006-03-24 2010-12-28 Herman Miller, Inc. Piece of furniture
DE102008011309B3 (de) * 2008-02-27 2009-06-04 Thonet Gmbh Bürostuhl
NO328092B1 (no) * 2008-03-10 2009-12-07 Efg Europ Furniture Group Ab Ryggestotteanordning
AT12867U1 (de) * 2011-05-04 2013-01-15 Eckhard Dipl Ing Hansen Sitzmöbel
DE202012002288U1 (de) * 2012-03-08 2012-05-11 Walter Knoll Ag & Co. Kg Funktionsstuhl
DE102012107778B4 (de) 2012-08-23 2018-08-16 Haworth Gmbh Stuhl, insbesondere Bürostuhl
EP2910147B1 (fr) * 2012-10-18 2018-11-07 Okamura Corporation Chaise
DE102014103780B3 (de) 2014-03-19 2015-06-18 Wilkhahn Wilkening + Hahne Gmbh + Co. Stuhl
DE202014101592U1 (de) * 2014-04-04 2014-06-30 Wilkhahn Wilkening + Hahne Gmbh + Co. Stuhl
DE102014119612A1 (de) * 2014-12-23 2016-06-23 Recaro Aircraft Seating Gmbh & Co. Kg Sitzvorrichtung mit längsgeteilter Sitzbodeneinheit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3345507B1 (fr) 2020-04-29
DE202017102909U1 (de) 2018-04-05
EP3345507A1 (fr) 2018-07-11
US10499742B2 (en) 2019-12-10
EP3345508A1 (fr) 2018-07-11
US20180184809A1 (en) 2018-07-05

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