EP1352595A2 - Sitzschale mit Neigungs-Konturkoppelungsmechanismus - Google Patents

Sitzschale mit Neigungs-Konturkoppelungsmechanismus Download PDF

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Publication number
EP1352595A2
EP1352595A2 EP03007577A EP03007577A EP1352595A2 EP 1352595 A2 EP1352595 A2 EP 1352595A2 EP 03007577 A EP03007577 A EP 03007577A EP 03007577 A EP03007577 A EP 03007577A EP 1352595 A2 EP1352595 A2 EP 1352595A2
Authority
EP
European Patent Office
Prior art keywords
parts
support surface
molded parts
covering
seat shell
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.)
Granted
Application number
EP03007577A
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English (en)
French (fr)
Other versions
EP1352595B1 (de
EP1352595A3 (de
Inventor
Christian Erker
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.)
Erker Christian En Grammer AG
Original Assignee
Grammer 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 Grammer AG filed Critical Grammer AG
Publication of EP1352595A2 publication Critical patent/EP1352595A2/de
Publication of EP1352595A3 publication Critical patent/EP1352595A3/de
Application granted granted Critical
Publication of EP1352595B1 publication Critical patent/EP1352595B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining 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
    • 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
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions

Definitions

  • the invention relates to a seat shell, seat or lounger, the support surface of which is held by curved molded parts and is characterized in that they are subdivided and have pivot and / or pivot bearings at the division transition points, so that the end of a molded part has the direction of the next molded part determined and by rotating oppositely aligned molded parts large deflections of the support surface with a small swivel range of the molded parts or an extension of the effective range of the molded parts, by a pivot / swivel bearing that ensures alignment of a following element.
  • a seat or a lounger is also characterized in that the support surface is a structure which is flexible in one direction and is covered with side parts which are rigid in the direction of the covering but are flexible in the longitudinal direction and transfer the covering to spacers.
  • the object of the invention is to ensure a seated or lying posture that conforms to the curvature of the back and that corresponds to the natural relaxed posture, without having to make any own movement correction.
  • the object of the invention was achieved in that the backrest contour is adapted to the changeable backrest inclination in an upright sitting position. Furthermore, in order to prevent slipping forward when the user is in a heavily reclined posture, the inclination of the seat is increased due to weaker lobotic support.
  • the design adjustment in the upper back area in the sense of an almost vertical head position has a relaxing effect on the shoulder and neck area.
  • Figure 5 shows the contour changes in the progressive sequence 1 to 4, as they according to the constructive features according to the invention, becoming independent when leaning back expire.
  • FIG. 1 and 2 show the beginning and end contours of the molded parts 1 from the side and front view of a chair in the upright position.
  • the support surface 14 is forced into a shape that is changed by rotating the molded parts 1.
  • the head part 9 is fastened at its upper end by means of the connecting piece 10 such that it is always aligned with the ends of the molded parts 1.
  • the molded parts 1 are mounted in the receptacle 2 in such a way that the backrest inclination can only be changed by turning 1 and 2 in opposite directions, as shown in FIG. 1 and FIG. 3, which also changes the backrest contour.
  • 3 and 4 show the same chair in the side and front view in a reclined position Position.
  • the receptacles 2 are rotatably mounted in the housing 3 and allow tilting on the base 6 as in FIG. 3.
  • the rotation of 2 causes the lever 3 and the push rods 5 to tilt the housing 3 on the base 6, as a result of which the receptacles 2 are simultaneously synchronized in opposite directions, thus coupling the backrest angle, the backrest contour and the seat angle.
  • FIG. 6 shows the scissor mechanism 11 with the gas pressure spring 12 and tie rods 13. It is interpreted here how the lockable gas pressure spring moves together when leaning back. It brings the counterforce to body weight and lockability in any position.
  • Fig. 7 shows the support surface 14 preferably consisting of the flexible side parts 17 which are sewn with a covering 16 and evenly transmit the clamping force of the spacers 15 to the covering.
  • the spacers can be stiff if the covering is permanently elastic.
  • the spacers 15 can lie flat against the fabric if they can pivot backwards while the fabric adapts to the body.
  • the side parts 17 are doubled and sewn on the back with an elastic fabric, so that a pocket is created in which the molded parts 1 can move and the support surface 14 fits snugly.
  • Fig. 8 shows the possibility of adjustability of the covering hardness, for example in The area of the lumbar support is useful by turning the handwheel 18 in the bearing 19 the width of the spacer 15 can be varied.
  • the handwheel and the spacer are provided with a thread that changes the length.
  • the invention is a contribution in the field of health care and works environmentally friendly without external energy supply.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Support Of The Bearing (AREA)

Abstract

Sitzschale, Sitz oder Liege, deren Stützfläche (14) von gekrümmt verlaufenden Formteilen (1) gehalten wird und dadurch gekennzeichnet sind dass diese unterteilt sind und an den Teilungsübergangsstellen Dreh- und/oder Schwenklager aufweisen, so, dass das Ende eines Formteils die Richtung des nächsten Formteils bestimmt und durch gegensinniges Verdrehen aneinandergereihter Formteile grosse Auslenkungen der Stützfläche bei kleinem Schwenkbereich der Formteile oder eine Verlängerung des Wirkbereichs der Formteile, durch ein Dreh/Schwenklager das ein Fluchten eines folgenden Elements gewährleistet. <IMAGE>

Description

Die Erfindung betrifft eine Sitzschale, Sitz oder Liege, deren Stützfläche von gekrümmt verlaufenden Formteilen gehalten wird und dadurch gekennzeichnet sind dass diese unterteilt sind und an den Teilungsübergangsstellen Dreh- und/oder Schwenklager aufweisen, so, dass das Ende eines Formteils die Richtung des nächsten Formteils bestimmt und durch gegensinniges Verdrehen aneinandergereihter Formteile grosse Auslenkungen der Stützfläche bei kleinem Schwenkbereich der Formteile oder eine Verlängerung des Wirkbereichs der Formteile, durch ein Dreh/Schwenklager das ein Fluchten eines folgenden Elements gewährleistet. Ein Sitz oder eine Liege zeichnet sich des weiteren auch dadurch aus, dass die Stützfläche ein in einer Richtung biegsames Gebilde einer Bespannung mit Seitenteilen ist, die in Richtung der Bespannung steif,in Längsrichtung jedoch biegsam sind und die Bespannung auf Distanzhalter übertragen.
Aufgabe der Erfindung ist es eine rückenkrümmungsgerechte Sitz- beziehungsweise Liegehaltung zu gewährleisten, die der natürlichen entspannten Körperhaltung entspricht, ohne jeweils eine Eigenbewegungskorrektur vornehmen zu müssen.
Die Aufgabe der Erfindung wurde dadurch gelöst,dass die Lehnenkontur in aufrechter Sitzhaltung der veränderbaren Lehnenneigung angepasst wird. Des weiteren wird,um ein nach vorne rutschen bei stark zurückgelehnter Haltung zu verhindern,die Sitzneigung erhöht, durch schwächer ausgebildete Lodosenstützung. Die Konstruktionsanpassung im oberen Rückenbereich im Sinne einer annähernd senkrechten Kopfpositionshaltung wirkt entspannend auf den Schulter- und Nackenbereich.
Figur 5, zeigt die Konturveränderungen in der progressiven Abfolge 1 bis 4, wie sie gemäss der erfindungsgemässen konstruktiven Merkmale, verselbständigend beim Zurücklehnen ablaufen.
Die Erfindung wird anhand der folgenden Figuren 1bis 8 beschrieben:
Fig. 1 und 2 zeigen die Anfangs und Endkonturen der Formteile 1 aus der Seiten und Frontansicht eines Stuhl in der Aufrechtposition. Die Stützfläche 14 wird in eine Form gezwungen, die durch das Verdrehen der Formteile 1 verändert wird. Das Kopfteil 9 ist an deren oberen Ende mittels dem Verbindungsstück 10 derart befestigt, dass es immer zu den Enden der Formteile 1 fluchtet.
Die Formteile 1 sind in der Aufnahme 2 derart gelagert, dass nur durch ein gegensinniges Verdrehen von 1 und 2 eine Veränderung der Lehnenneigung geschehen kann, wie in Fig.1 und Fig.3 gezeigt und wodurch ebenfalls die Lehnenkontur verändert wird.
Fig. 3 und 4 zeigen den gleichen Stuhl in der Seiten und Frontansicht in zurückgelehnter Position.
Die Aufnahmen 2 sind im Gehäuse 3 drehbar gelagert und erlauben das Kippen auf dem Sockel 6 wie in Figur 3.
Die Verdrehung von 2 bewirkt über die Hebel 4 und die Schubstangen 5 das Kippen von Gehäuse 3 auf dem Sockel 6, wodurch die Aufnahmen 2 zugleich gegensinnig synchronisiert werden.Somit sind die Lehnenneigung, die Lehnenkontur und die Sitzneigung gekoppelt.
Fig. 6 zeigt den Scherenmechanismus 11 mit der Gasdruckfeder 12 und Zugstangen 13. Hier wird gedeuted, wie die blockierbare Gasdruckfeder beim Zurücklehnen zusammenfährt. Sie bringt die Gegenkraft zum Körpergewicht und Arretierbarkeit in jeder Lage.
Fig. 7 zeigt die Stützfläche 14 bestehend vorzugsweise aus den biegsamen Seitenteilen 17, die mit einer Bespannung 16 vernäht sind und die Spannkraft der Distanzhalter 15 gleichmässig auf die Bespannung übertragen. Die Distanzhalter können steif sein, wenn die Bespannung dauerelastisch ist. Die Distanzhalter 15 können flach an der Bespannung anliegen, wenn sie nach hinten schwenken können, während sich die Bespannung dem Körper anpasst.
Die Seitenteile 17 sind rückseitig mit einem elastischen Gewebe aufgedoppelt und vernäht, so,dass eine Tasche entsteht, in der sich die Formteile 1 bewegen können und die Stützfläche 14 gut anliegt.
Fig. 8 zeigt die Möglichkeit der Einstellbarkeit der Bespannungshärte, die zum Beispiel im Bereich der Lordosenstütze sinnvoll ist, indem durch Drehen des Handrades 18 im Lager 19 die Weite des Distanzhalters 15 variiert werden kann.Das Handrad und der Distanzhalter sind mit einem Gewinde versehen,das die Längenveränderung bewirkt.
Die Erfindung ist ein Beitrag im Bereich der Gesundheitsvorsorge und funktioniert umweltfreundlich ohne äussere Energiezufuhr.
Die anschliessende Bezugszeichenliste ergänzt die Beschreibung.
Bezugszeichenliste
  • 1 Formteil
  • 2 Aufnahme
  • 3 Gehäuse
  • 4 Hebel
  • 5 Schubstange
  • 6 Sockel
  • 7 Hebel
  • 8 Kipplager
  • 9 Kopfteil
  • 10 Verbindungsstück
  • 11 Scherenmechanismus
  • 12 Gasdruckfeder
  • 13 Zugstange
  • 14 Stützfläche
  • 15 Distanzhalter
  • 16 Bespannung
  • 17 Seitenteile
  • 18 Spannschraube
  • 19 Lager

    • Claims (2)

    1. Sitzschale, deren Stützfläche (14) von gekrümmt verlaufenden Formteilen (1) gehalten wird, dadurch gekennzeichnet, dass die Formteile unterteilt sind und an den Teilungsübergangsstellen Dreh- und Schwenklager oder Schwenklager aufweisen, so, dass das Ende eines Formteils die Richtung des nächsten Formteils bestimmt und durch gegensinniges Verdrehen aneinandergereihter Formteile oder eine Verlängerung des Wirkbereichs der Formteile, durch ein Dreh/Schwenklager ein Fluchten eines folgenden Elements gewährleistet.
    2. Sitzschale nach Anspruch 1, dadurch gekennzeichnet, das die Stützfläche (14) ein in einer Richtung biegsames Gebilde einer Bespannung (16) mit Seitenteilen (17) ist die in-Richtung der Bespannung steif, in Längsrichtung jedoch biegsam sind und die die Bespannung auf die Distanzhalter (15) übertragen.
    EP03007577A 2002-04-07 2003-04-02 Sitzschale mit Neigungs-Konturkoppelungsmechanismus Expired - Lifetime EP1352595B1 (de)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10215285A DE10215285A1 (de) 2002-04-07 2002-04-07 Sitzschale mit Neigungs-Konturkoppelungsmechanismus
    DE10215285 2002-04-07

    Publications (3)

    Publication Number Publication Date
    EP1352595A2 true EP1352595A2 (de) 2003-10-15
    EP1352595A3 EP1352595A3 (de) 2004-04-14
    EP1352595B1 EP1352595B1 (de) 2006-10-11

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    Application Number Title Priority Date Filing Date
    EP03007577A Expired - Lifetime EP1352595B1 (de) 2002-04-07 2003-04-02 Sitzschale mit Neigungs-Konturkoppelungsmechanismus

    Country Status (5)

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    US (1) US7118176B2 (de)
    EP (1) EP1352595B1 (de)
    CN (1) CN100407962C (de)
    AT (1) ATE341975T1 (de)
    DE (2) DE10215285A1 (de)

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    EP1637391A3 (de) * 2004-09-17 2008-11-05 Grammer Ag Sitz mit einer Ergomechanik
    EP1992255A1 (de) * 2007-05-18 2008-11-19 Eckhard Dipl.-Ing. Hansen Sitzmöbel
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    Cited By (20)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1637391A3 (de) * 2004-09-17 2008-11-05 Grammer Ag Sitz mit einer Ergomechanik
    EP1712411A2 (de) * 2005-04-15 2006-10-18 Grammer Ag Fahrzeugsitz mit verformbarer S-förmiger Rückenlehne
    EP1712411A3 (de) * 2005-04-15 2007-03-07 Grammer Ag Fahrzeugsitz mit verformbarer S-förmiger Rückenlehne
    US7354107B2 (en) 2005-04-15 2008-04-08 Grammer Ag Vehicle seat with a deformable S-shaped backrest
    US7874618B2 (en) 2005-04-15 2011-01-25 Grammer Ag Vehicle seat with a deformable backrest
    US8864145B2 (en) 2005-05-13 2014-10-21 Grammer Ag Device and method for suspension of a vehicle seat by means of additional volumes
    US8840172B2 (en) 2005-05-13 2014-09-23 Grammer Ag Device and method for suspension of a vehicle cabin by means of additional volumes
    DE102006008234B4 (de) 2006-02-22 2017-03-30 Volkswagen Ag Konturadaptiver Fahrzeugsitz
    DE102006008235B4 (de) * 2006-02-22 2014-12-11 Volkswagen Ag Sitz, insbesondere Kraftfahrzeugsitz
    US7934708B2 (en) 2006-12-18 2011-05-03 Grammer Ag Air spring for a vehicle seat, and vehicle seat comprising such an air spring
    EP1992255A1 (de) * 2007-05-18 2008-11-19 Eckhard Dipl.-Ing. Hansen Sitzmöbel
    EP2301390A1 (de) * 2007-07-07 2011-03-30 König + Neurath AG Stuhl, insbesondere Bürostuhl
    US8366195B2 (en) 2007-07-14 2013-02-05 Grammer Ag Vehicle seat with a base frame and a seat frame moveable relative to that base frame
    US8265832B2 (en) 2007-10-08 2012-09-11 Grammer Ag Vehicle comprising a spring-mounted vehicle seat and a spring-mounted vehicle cab, and suspension method
    US7997600B2 (en) 2007-11-24 2011-08-16 Grammer Ag Apparatus comprising a suspension system and method for adjusting a suspension system
    US8342541B2 (en) 2007-12-04 2013-01-01 Grammer, AG Apparatus and method for active spring suspension of a vehicle component
    US9115781B2 (en) 2009-01-21 2015-08-25 Grammar Ag Device for springing a mass, and method for adjusting and/or operating a fluid spring
    EP2292121A1 (de) * 2009-09-03 2011-03-09 Thom H. v.d. Boon B.V. Klappstuhl
    FR3006259A1 (fr) * 2013-06-03 2014-12-05 Renault Sa Systeme de sieges avant de vehicule
    WO2014195617A1 (fr) * 2013-06-03 2014-12-11 Renault Systeme de sieges avant de vehicule

    Also Published As

    Publication number Publication date
    DE10215285A1 (de) 2003-10-16
    ATE341975T1 (de) 2006-11-15
    DE50305319D1 (de) 2006-11-23
    EP1352595B1 (de) 2006-10-11
    CN1459264A (zh) 2003-12-03
    EP1352595A3 (de) 2004-04-14
    CN100407962C (zh) 2008-08-06
    US20030189367A1 (en) 2003-10-09
    US7118176B2 (en) 2006-10-10

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