EP3434147B1 - Chaise - Google Patents

Chaise Download PDF

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Publication number
EP3434147B1
EP3434147B1 EP18184294.9A EP18184294A EP3434147B1 EP 3434147 B1 EP3434147 B1 EP 3434147B1 EP 18184294 A EP18184294 A EP 18184294A EP 3434147 B1 EP3434147 B1 EP 3434147B1
Authority
EP
European Patent Office
Prior art keywords
seat
seat plate
seat support
support
chair
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
EP18184294.9A
Other languages
German (de)
English (en)
Other versions
EP3434147A2 (fr
EP3434147A3 (fr
Inventor
Johannes Uhlenbrock
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE202017104508.0U external-priority patent/DE202017104508U1/de
Priority claimed from DE202017106864.1U external-priority patent/DE202017106864U1/de
Application filed by Individual filed Critical Individual
Publication of EP3434147A2 publication Critical patent/EP3434147A2/fr
Publication of EP3434147A3 publication Critical patent/EP3434147A3/fr
Application granted granted Critical
Publication of EP3434147B1 publication Critical patent/EP3434147B1/fr
Active 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • 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
    • A47C7/142—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions by fluid means
    • 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
    • A47C7/144—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions with array of movable supports
    • 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
    • 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
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled
    • A47C7/342—Edge stiffeners
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled
    • A47C7/347—Seat parts with springs in compression, e.g. coiled with means for connecting springs to each other or to seat frame
    • 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
    • A47C7/35—Combinations of different types of springs; Adjustable springs; Attachment of springs to other springs or to the base frame ; Springs for seat parts not provided for in other groups of this subclass

Definitions

  • the invention relates to a chair with a chair seat, wherein the chair seat consists of a seat support and a seat plate connected to it, having an upper seat surface and limited relative to the seat support, the seat plate being by means of at least one support element around a longitudinal center line of the chair seat below the seat surface and above the seat carrier or at the level of the seat carrier and seat plate extending tilt axis relative to the seat carrier is connected to the seat carrier in a limited lateral tilting movement.
  • the document U.S. 4,826,247 A shows a fighter aircraft pilot's seat with a backrest of the seat that can be actively rotated sideways by means of pressure medium cushions and pressure medium control valves, in order to enable the pilot to look backwards by twisting his torso from the outside, even under high acceleration loads, so that he can check whether in a close air combat an enemy aircraft is behind his aircraft.
  • at least two variably inflatable and evacuable, laterally spaced cushions are arranged on the pilot's seat in the pilot's back, which, under the control of a valve unit, actively rotate the torso of the pilot through appropriate ventilation either to the right or to the left around a torso longitudinal axis .
  • the need for a pneumatic control unit is seen as a disadvantage here.
  • the document DE 20 2006 018 861 U1 shows a dynamic seating device that enables adjustable tilting movements and vertical movements, integrated in upholstered seat surfaces, whereby a maximum of horizontal and vertical mobility is to be achieved.
  • a hollow body is arranged as a cardan bearing between two bearing surfaces.
  • the restoring force of the cardanic mobility between the two supports can be regulated by specifically adding and releasing air or gas in one or more hollow bodies.
  • a chair which comprises an at least partially elastic seat part which is provided with support elements lying on both sides of the imaginary longitudinal and vertical center plane of the seat part, which support elements are fitted in such a way that they develop a force and a movement which make the seat part changeable and lift alternately.
  • the support elements in the seat part are fitted side by side essentially exclusively in the area that is intended for the ischial tuberosity of the buttocks of the seated person, and that the support elements are connected in such a way that, if a substantially vertical load occurs is applied to a support element, the load generates a slowly increasing support force in a direction opposite to the load in the other support element.
  • a substantially vertical load occurs is applied to a support element, the load generates a slowly increasing support force in a direction opposite to the load in the other support element.
  • Another chair with a chair seat of the type mentioned above is from the document DE 195 07 458 A1 known.
  • this chair seat it is essential that it has a combined torsional rotary and tilting bearing as a resilient means.
  • the chair seat is provided here for a special piece of seating furniture with a rocking chair frame.
  • an arrangement of two opposing wheels or fixed castors between the base plate and the seat plate is either mandatory or at least preferably provided in the known chair seat in order to enable the torsion or rotation of the seat plate relative to the base plate, which is provided here in each case.
  • the document DE 195 32 445 A1 shows a rocker and swivel seating furniture with a seat plate which is elastically mounted on a base plate attached to a rocking chair frame with a torsion swivel and tilt bearing that has a material-free rotating and tilting center in the middle of the bearing.
  • the seat plate is additionally supported by two fixed castors opposite the frame.
  • a disadvantage of the chairs known from the last three documents mentioned is that its users often find the multi-dimensional mobility of the seat plate rather uncomfortable because, according to practical experience, users of seating furniture with the known, previously explained chair seats experience feelings of insecurity and dizziness.
  • some of the known chair seats are technically complex to manufacture, especially when they are equipped with wheels or fixed castors between the seat support and the seat plate.
  • the task of the present invention is therefore to create a chair of the type mentioned at the outset, in which users' feelings of insecurity and dizziness are safely avoided and which can be manufactured with little effort in terms of manufacture, material and assembly.
  • a chair of the type mentioned at the outset which is characterized in that at the top of the seat support at least one pressure hose which runs along the longitudinal center line of the chair seat between the seat support and the seat plate arranged above it and forms the support element is connected on which the seat plate is mounted so that it can tilt laterally to a limited extent relative to the seat support.
  • the invention achieves in a technically simple manner that the seat plate has different mobility properties in different directions relative to the seat support.
  • a limited lateral tiltability of the seat plate around the tilt axis running along the longitudinal center line of the seat is achieved, which gives a user of the chair a comfortable and safe sitting feeling in connection with dynamic, i.e. allowing certain body movements, sitting, which is undesirable, for example Avoids muscle tension of the user.
  • the tilt axis of the chair according to the invention lies directly below the seat bones of the chair user, small lateral movements are spontaneously possible. These movements cause the pelvis of the chair user to tilt slightly to the right and left without the upper body and head swaying or swaying, and thus promote blood flow to the intervertebral discs and the outer layers of the fascia. Superimposed tilting movements in other directions and / or rotating movements of the seat plate about an approximately vertical axis relative to the seat support are avoided, since experience shows that such movements are the cause of undesirable feelings of insecurity and even dizziness in the chair user. Complex components, such as special wheels or fixed castors, are not required in the chair according to the invention, which makes it inexpensive to manufacture.
  • the pressure hose advantageously also has a suspension function.
  • the pressure hose can be filled with a compressible pressure medium and / or the pressure hose can itself be elastically stretchable and resettable.
  • the pressure hose expediently has a valve via which a pressure medium, preferably air, can be filled into the pressure hose or drained from the pressure hose.
  • a pressure medium preferably air
  • the pressure hose can also have a connection for a pressure medium pump or be connected to a pressure medium pump arranged on the chair seat, by means of which pressure medium can be filled into the pressure hose.
  • two or more longer, continuous pressure hoses can be provided parallel to one another, or several shorter pressure hoses can be provided in series and / or parallel to one another.
  • the seat plate is acted upon by a force that preloads it in the direction of an untilted basic position aligned parallel to the seat support.
  • the seat plate thus assumes its non-tilted basic position as long as tilting forces are not exerted on the seat plate by a chair user. If tilting forces are exerted on the seat plate by the chair user, then the preloading force generates opposing forces which counteract these tilting forces, which contributes to ergonomically good sitting.
  • a further targeted influencing of the characteristic of the tilting mobility of the seat plate relative to the seat support is made possible by a foam filling with low resistance or a spring effect being arranged between the seat support and the seat plate, at least in their edge areas.
  • This foam filling also serves to prevent a chair user from reaching into the space between the seat support and the seat plate where, under unfavorable circumstances, the fingers could otherwise be trapped.
  • the foam filling dampens the tilting movement of the seat plate relative to the seat support at larger tilt angles and thus avoids disruptive impact noises which could arise when the seat plate hits the seat support.
  • Fixed or adjustable stops can advantageously be arranged between the seat support and the seat plate, which limit a degree of the lateral tilting movement of the seat plate relative to the seat support.
  • the attacks can, for. B. elastic stop bodies, such as rubber buffers.
  • the height of the adjustable stops can for example be adjusted by means of a thread.
  • a seat foam layer and / or seat cover arranged on the seat plate is guided in a circumferential edge area up to the seat support.
  • the space between the seat plate and the seat support is covered from the outside and optically concealed without restricting the tilting mobility of the seat plate.
  • the chair can be designed practically any in its parts available next to the chair seat, for. B. as a swivel chair with a central column or as a four-legged chair or as a cantilever chair, with or without armrests, or as a low or high stool.
  • Figure 1 shows a chair seat 1 of a chair in a "transparent" plan view.
  • the chair seat 1 consists of a seat support 2 located below, which is largely concealed here, and a seat plate 3 arranged above it, which can move to a limited extent relative to the seat support 2.
  • the seat plate 3 is relative to the seat support 2 about a tilt axis 21 running along the longitudinal center line 11 of the chair seat 1 Connected to the seat support 2 with limited lateral tilting movement.
  • the pressure hose 7 is filled with a pressure medium, preferably air, under a presettable pressure.
  • the pressure hose 7 has a connection hose 73 with a valve 71, via which pressure medium can be filled into the pressure hose 7 or drained from the pressure hose 7.
  • the seat plate 3 On the pressure hose 7, the seat plate 3 is supported in a limited lateral tilting movement relative to the seat support 2 and at the same time is sprung.
  • the Figure 2 shows the chair seat 1 from Figure 1 in a cross section along its transverse center line in a first functional state.
  • the seat support 2 and above the seat plate 3 can be seen.
  • a seat foam layer 30, the surface of which forms a seat 33, lies on the seat plate 3.
  • the pressure hose 7 Centrally between the seat support 2 and the seat plate 3 in a space 20 between these runs, here perpendicular to the plane of the drawing, the pressure hose 7 visible in section.
  • This pressure hose 7 connects the seat plate 3 with the seat support 2 and at the same time forms the tilting axis 21 and a spring for the Tilting movement of the seat plate 3 relative to the seat support 2.
  • the chair seat 1 is off Figure 2 in the same way as in Figure 2 in a second functional state, namely under load, e.g. B. by a person sitting on the seat plate 3 shown. Due to the load, the pressure hose 7 now has a flattened, oval cross-sectional shape and an increased pressure medium pressure in its interior, which counteracts any further flattening.
  • load e.g. B.
  • the pressure hose 7 Due to the load, the pressure hose 7 now has a flattened, oval cross-sectional shape and an increased pressure medium pressure in its interior, which counteracts any further flattening.
  • edge-near stops 23 for example in the form of small rubber buffers, be attached to the seat support 2.
  • the stops 23 can, as required, be either fixed or adjustable in height.
  • Figure 4 shows the chair seat 1 from Figure 1 in a longitudinal section along the longitudinal center line 11 of the chair seat 1.
  • the seat support 2 on the left, to which the seat plate 3 extends at a distance and parallel to the right.
  • the seat foam layer 30 lies on the seat plate 3, the surface of which forms the seat surface 33 and which has a circumferential edge region 31 that extends down from the seat plate 3 to the seat support 2.
  • the pressure hose 7 can be seen in the space 20 between the seat support 2 and the seat plate 3.
  • the pressure hose 7 can for example be glued on the one hand to the seat support 2 and on the other hand to the seat plate 3 in order to form the connection between the seat support 2 and the seat plate 3, which can be moved to a limited extent.
  • the connection hose and the pump off Figure 1 are omitted here.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (8)

  1. Chaise dotée d'une assise de chaise (1), ladite assise de chaise (1) étant composée d'un support d'assise (2) et d'un plateau d'assise (3) y étant relié, qui présente une surface d'assise (33) supérieure et qui est mobile de manière réduite par rapport au support d'assise (2), ledit plateau d'assise (3) étant relié au support d'assise (2) de manière basculable sur le côté, dans une mesure limitée, par rapport au support d'assise (2), au moins à l'aide d'un élément porteur autour d'un axe de basculement (21) courant le long ou à la parallèle d'une ligne médiane longitudinale (11) de l'assise de chaise (1) au-dessous de la surface d'assise (33) et au-dessus du support d'assise (2) ou à la hauteur des support d'assise (2) et plateau d'assise (3),
    caractérisée en ce
    que sur le côté supérieur au moins un tuyau à pression (7) constituant l'élément porteur et qui court le long de la ligne médiane longitudinale (11) de l'assise de chaise (1) entre le support d'assise (2) et le plateau d'assise (3) agencé dessus, est relié au support d'assise (2), le plateau d'assise (3) étant monté basculable de manière réduite sur le côté par rapport au support d'assise (2) sur ledit tuyau à pression.
  2. Chaise selon la revendication 1, caractérisée en ce que le tuyau à pression (7) présente une soupape (71) par laquelle un agent de pressurisation, de préférence de l'air, peut être insufflé dans le tuyau à pression (7) ou être expulsé dudit tuyau à pression (7).
  3. Chaise selon la revendication 1 ou 2, caractérisée en ce que le tuyau à pression (7) présente un raccordement pour une pompe d'agent de pressurisation (72) ou est relié à une pompe d'agent de pressurisation (72) agencée au niveau de l'assise de chaise (1) et au moyen de laquelle de l'agent de pressurisation peut être insufflé dans le tuyau à pression (7).
  4. Chaise selon l'une quelconque des revendications 1 à 3, caractérisée en ce que sont prévus deux tuyaux à pression (7) ou plus, continus et d'une certaine longueur, parallèles les uns aux autres, ou plusieurs tuyaux à pression (7) de plus petites tailles, en rangée et/ou parallèles les uns aux autres.
  5. Chaise selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'une force est appliquée au plateau d'assise (3) mettant celui-ci en précontrainte en direction d'une position de base non basculée orientée à la parallèle du support d'assise (2).
  6. Chaise selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'un rembourrage en mousse est agencé entre le support d'assise (2) et le plateau d'assise (3) agencé par-dessus celui-ci, au moins dans les zones périphériques en bordure dudit plateau d'assise, lequel rembourrage présente peu de résistance ou exerce un effet ressort.
  7. Chaise selon l'une quelconque des revendications 1 à 6, caractérisée en ce que sont agencées entre le support d'assise (2) et le plateau d'assise (3) agencé par-dessus celui-ci, des butées (23) fixes ou ajustables qui délimitent une grandeur du basculement latéral du plateau d'assise (3) par rapport au support d'assise (2).
  8. Chaise selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'une couche de mousse d'assise (30) et/ou housse d'assise agencée sur le plateau d'assise (3) est tirée dans une zone périphérique en bordure (31) jusqu'au support d'assise (2).
EP18184294.9A 2017-07-28 2018-07-18 Chaise Active EP3434147B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017104508.0U DE202017104508U1 (de) 2017-07-28 2017-07-28 Stuhlsitz und Stuhl
DE202017106864.1U DE202017106864U1 (de) 2017-11-13 2017-11-13 Stuhlsitz und Stuhl

Publications (3)

Publication Number Publication Date
EP3434147A2 EP3434147A2 (fr) 2019-01-30
EP3434147A3 EP3434147A3 (fr) 2019-03-06
EP3434147B1 true EP3434147B1 (fr) 2021-01-27

Family

ID=62986011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18184294.9A Active EP3434147B1 (fr) 2017-07-28 2018-07-18 Chaise

Country Status (2)

Country Link
EP (1) EP3434147B1 (fr)
DK (1) DK3434147T3 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69610476T2 (de) * 1995-11-09 2001-04-26 Conqueror Group Co Stuhl
DE202006018861U1 (de) * 2005-12-14 2007-04-19 Tepe-Walser, Silvia Sitzvorrichtung mit Hohlkörper

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU544651B2 (en) * 1980-11-17 1985-06-06 Tor Arild Universal mechanical linkage
US4826247A (en) * 1986-09-26 1989-05-02 The Boeing Company System for assisting a fighter pilot in checking the six-o'clock position
US5054739A (en) * 1987-03-11 1991-10-08 Jan Wallin Automatic levelling device
DE29520898U1 (de) * 1994-03-04 1996-04-25 Niemann, Bastian, Dr., 37077 Göttingen Wipp- und Drehsitzmöbel
DE29705296U1 (de) * 1997-03-24 1997-05-22 Buchwald, Gerlinde, 79104 Freiburg Separate Sitzauflage für Sitzmöbel
JP2011244955A (ja) * 2010-05-25 2011-12-08 Kokuyo Co Ltd 椅子
US9498066B2 (en) * 2011-08-04 2016-11-22 Cramer Llc Ergonomic seating assemblies and methods
DE202011105726U1 (de) * 2011-09-16 2011-11-02 Jürgen Zimmermann Sitzmöbel
DE202012006249U1 (de) * 2012-06-28 2013-10-02 Karl-Heinz Brändle Stuhl oder Stützkörper

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69610476T2 (de) * 1995-11-09 2001-04-26 Conqueror Group Co Stuhl
DE202006018861U1 (de) * 2005-12-14 2007-04-19 Tepe-Walser, Silvia Sitzvorrichtung mit Hohlkörper

Also Published As

Publication number Publication date
DK3434147T3 (da) 2021-04-12
EP3434147A2 (fr) 2019-01-30
EP3434147A3 (fr) 2019-03-06

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