EP1306033A2 - Chaise - Google Patents

Chaise Download PDF

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Publication number
EP1306033A2
EP1306033A2 EP02023419A EP02023419A EP1306033A2 EP 1306033 A2 EP1306033 A2 EP 1306033A2 EP 02023419 A EP02023419 A EP 02023419A EP 02023419 A EP02023419 A EP 02023419A EP 1306033 A2 EP1306033 A2 EP 1306033A2
Authority
EP
European Patent Office
Prior art keywords
seat frame
elements
chair
support
seat
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
EP02023419A
Other languages
German (de)
English (en)
Other versions
EP1306033B1 (fr
EP1306033A3 (fr
Inventor
Sven Poppel
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
Application filed by Individual filed Critical Individual
Publication of EP1306033A2 publication Critical patent/EP1306033A2/fr
Publication of EP1306033A3 publication Critical patent/EP1306033A3/fr
Application granted granted Critical
Publication of EP1306033B1 publication Critical patent/EP1306033B1/fr
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
    • A47C7/36—Support for the head or the back
    • A47C7/38—Support for the head or the back for the head
    • 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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • 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
    • A47C7/405—Support for the head or the back for the back with double backrests
    • 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
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks
    • 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

Definitions

  • the invention relates to a chair, in particular an office or work chair with movable seat and / or movable backrest.
  • the back Since the back is also supported in a higher section when leaning back in relation to an upright sitting position in the back shell, the lower end of the backrest is pressed into the lumbar region of the seated person as a result of the pivotable mounting of the backrest chosen in this solution, so that with this design one Variable, anatomically correct, elastic support of the upper body in the lumbar area when leaning back cannot be realized, whereby anatomically correct, torsion-like turning of the backrest is not possible in any sitting position.
  • DE 100 50 430 A1 presents a chair with a movable seat and movable backrest, in which two support element fastenings are arranged in the rear area of the seat cushion, in each of which a flexible support element is fastened, with compression spring elements (20) and over each support element the back width-extending form elements (21) are arranged alternately one above the other.
  • This solution torsion-like twisting and anatomically correct bending of the backrest is possible, so that an elastically supported twisting of the back can be made possible with a simultaneously elastically supported variation of the body opening angle.
  • the main disadvantage of this design is that the respective support forces or support moments cannot be varied in a user-defined manner.
  • the object of the present invention is an aesthetic demanding chair, especially an office or work chair too develop that is inexpensive to manufacture and reliable, one on the Height and thus also individually adjustable to the body weight, anatomical, optimal, also dependent on the respective working posture elastic adjustment of the support function enables and therefore in everyone any seating position, regardless of the seating position adjustable elastically supported variation of the body opening angle with elastic support in the lumbar area with simultaneous elastic supported rotation of the back should be guaranteed.
  • a chair in particular a chair Office or work chair, with movable seat and movable backrest, and arranged / arranged in the rear area of the seat cushion Support element attachment (s) (17) in or on each of which a flexible elastic Support element (18) is fastened, wherein along each support element (18) Compression spring elements (20) and extending over the back width Shaped elements (21) alternately one above the other alternately are arranged, which is characterized in that the lower Shaped element (21) / or several of the lower shaped elements (21) with each other by means of one or more arranged symmetrically to the center flexurally elastic / flexurally elastic stiffening element / stiffening elements (26) connected to one or more swivel levers (27) is / are which in one or more associated with the seat frame (5) and / or bearings (15) arranged on an adapter element (35) is / are pivotably mounted, with each pivoting lever (27) Travel limiting / preloading element (28) and
  • optimal, elastic adjustment of the support function enables and in any sitting position regardless of the seating position to adjust the "hardness" of the elastic backrest to the individual needs of the user, so that an individually adjustable to the body size and thus the body weight, anatomically appropriate, also from Depending on the respective working posture, optimal, elastic adjustment of the support function can be made possible, with an individually adjustable elastically supported in any seating position regardless of the seating position zte variation of the body opening angle with elastic support in the lumbar area while simultaneously elastically supported torsion of the back can be guaranteed.
  • the special arrangement of only one stiffening element (26) according to the invention has the effect, for example, that when the patient leans back, anatomically appropriate, flexurally elastic adjustable support of the upper body can be realized with elastic support in the lumbar region with simultaneous elastically supported torsion of the back. If, for example, two stiffening elements (26) are used symmetrically along the backrest, the support of the upper body when leaning back can also be varied simultaneously while supporting the upper body. If, on the other hand, three stiffening elements (26) are used along the backrest, for example one in the middle and the other two symmetrically to this, the support of the upper body when leaning back can be varied independently of the support of the upper body when twisting.
  • the adapter element (35) is attached to the seat frame (5) and / or to the cushion plate (8).
  • the backrests according to the invention can be combined without any seat mechanism, but also with any seat mechanism, both with and without armrests.
  • the adapter element (35) consists of two carrier bars (36), a connecting web (37) arranged between these carrier bars (36) and a molded part (38) arranged above the carrier bars (36) and the connecting web (37).
  • the rigid connection of these modules to one another ensures an aesthetically demanding, inexpensive and functionally reliable fastening of the functional modules to the adapter element (35).
  • the carrier bars (36) and the connecting web (37) are connected to the cushion plate (8) from below, and the molded part (38) is rigid from the rear. This ensures a functionally reliable, aesthetically demanding attachment of the adapter element to the cushion plate (8). It is also characteristic that the guide groove and / or the link guide are each worked into the side cheek of the seat frame from the inside. This eliminates the risk of injury to the chair's gear assemblies.
  • an elongated hole is arranged in the side cheek of the seat frame, in which an arrestable tensioning element is slidably mounted in the elongated hole, which is arranged with one in the area of the intermediate plate on the tensioning element Actuating element acts in the clamped state on the intermediate plate and thus limits the mutual relative movement between the intermediate plate and the seat frame. This makes it possible to limit the "swivel mechanism" of the seat in this end position in any seating position.
  • Figure 1 shows the chair according to the invention in a perspective view obliquely from the front.
  • a height-adjustable spring 2 preferably a gas spring, is arranged on a base frame 1 provided with rollers 25.
  • the cushion plate 8 with the seat cushion and on both sides of the seat frame 5 an armrest support 12 with a height adjustment 13 and an armrest 14 are arranged.
  • These armrests 14 arranged on both sides of the seat frame 5 are telescopically height-adjustable due to their height adjustment 13 and enable an optimal and at the same time cost-effective adjustment of the armrest height to any support height that is comfortable for the respective use.
  • a rotary knob 24 for adjusting the adjustment hardness of the seat adjustment mechanism and a tensioning element 32 mounted in an elongated hole 31 in the side wall 19 of the seat frame 5 for limiting the end position of the seat adjustment mechanism.
  • two flexurally elastic support elements 18, for example consisting of glass fiber rods are arranged on the seat frame 5 symmetrically to the center axis of the chair.
  • On the flexurally elastic support elements 18 are adjacent to one another, for example made of elastic plastic (eg PUR foam) compression spring elements 20 and extending over the back width shaped elements 21 are arranged alternately one above the other.
  • the shaped elements 21 extending across the back width are preferably geometrically different in some areas.
  • FIG. 2 shows the chair according to the invention in partial section in a side view.
  • An intermediate plate 3 is arranged at the free end of the spring 2.
  • Two guide rollers 4 are arranged on both sides of this intermediate plate 3.
  • These guide rollers 4 are slidably arranged in the front in the horizontal guide grooves 6 and in the rear in the arcuate link guides 7 of the side cheeks 19 of the seat frame 5.
  • the guide grooves 6 and the arcuate slide guides 7 are each machined from the inside into the side cheek 19 of the seat frame 5, the guide grooves 6 and also the slide guides 7 being worked into a side cheek 19 with a thickness of, for example, 24 mm, for example about 15 mm deep.
  • the cushion plate 8 with the seat cushion is arranged on the seat frame 5.
  • a biasing element 9 is also attached to the seat frame 5 and can be actuated by means of the rotary knob 24.
  • a spring element 11 is arranged between the prestressing element 9 and a fastening element 10 arranged on the intermediate plate 3.
  • two support element fastenings 17 in the form of fastening bores 23 with or without insert sleeves are arranged on the seat frame 5 (as far as into the side cheeks 19) symmetrically to the center axis of the chair.
  • the flexurally elastic support elements 18, for example consisting of glass fiber rods, are arranged in these.
  • compression spring elements 20 consisting of PUR foam sleeves are arranged adjacent to one another and shaped elements 21 which extend over the back width, are identical in some areas or have different dimensions, are arranged alternately one above the other.
  • the lower form elements 21 are connected to one another by means of a resilient stiffening element 26 arranged symmetrically to the center between the support elements 18 (see also FIG. 1), which is arranged on a pivot lever 27 pivotably mounted between the support elements 18 on the seat frame 5 on two bearings 15 by means of an axis 16 is.
  • a travel limiting / pretensioning element 28 is arranged on the pivot lever 27 and a stop 29 which is in operative connection with the travel limiting / pretensioning element 28 is arranged on the seat frame 5.
  • the stroke of the travel limiting / biasing element 28 can, as shown in FIG. 2, be adjusted relative to the stop on the seat frame 5 by means of an adjusting element 30.
  • the arrangement of the support element 18 has the effect that, when leaning back, an anatomically correct, elastic support of the upper body in the lumbar region can be realized, the "hardness" of the lumbar support also being able to be adapted to the respective needs of the user by means of the adjusting element 30, so that due to the arrangement according to the invention when leaning back a variable, anatomically appropriate, elastic support of the upper body in the lumbar region is realized.
  • a lockable clamping element 32 is slidably arranged in which, as shown in FIG. 1, a lockable clamping element 32 is slidably arranged.
  • FIG. 3 shows the adjustment unit of the chair according to the invention in a further design in a perspective view obliquely from behind.
  • the adapter element 35 is fastened to the cushion plate 8.
  • This adapter element 35 consists of two carrier bars 36, a connecting web 37 arranged between these carrier bars 36 and a molded part 38 arranged above the carrier bars 36 and the connecting web 37.
  • the carrier bars 36 and the connecting web 37 are rigid with the cushion plate 8 from below, and the molded part 38 is rigidly connected to the cushion plate 8 from behind.
  • At least the lower mold element 21 is / are connected (but also several of the lower mold elements 21 can be connected to one another) with the pivot lever 27 by means of a centrally arranged flexible elastic stiffening element 26.
  • two support element fastenings 17 projecting through the molded part 38 into the carrier bars 36 are arranged.
  • the flexible support elements are fastened in these.
  • a compression spring element 20 is placed on each of the two support elements 18.
  • a pivot lever 27 is pivotally mounted on the molded part 38 of the adapter element 35 centrally between the two support elements 18 by means of a bearing 15 and an axis 16 arranged in this bearing 15.
  • a travel limiting / biasing element 28 is arranged on the pivot lever 27.
  • the stroke / the pretension of the travel limiting / pretensioning element 28 can be adjusted relative to the stop 29 by means of an adjusting element 30.
  • an anatomically appropriate, anatomically appropriate, also dependent on the respective working posture optimal, elastic adjustment of the support function is made possible, so that in any one Sitting position, regardless of the seating position, an individually adjustable, elastically supported variation of the body opening angle with elastic support in the lumbar area can be guaranteed with an elastically supported twisting of the back.
  • the armrest supports 12 and the seat mechanism 39 are also arranged on the seat plate 8.
EP02023419A 2001-10-24 2002-10-19 Chaise Expired - Lifetime EP1306033B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10152560 2001-10-24
DE10152560A DE10152560A1 (de) 2000-10-12 2001-10-24 Stuhl

Publications (3)

Publication Number Publication Date
EP1306033A2 true EP1306033A2 (fr) 2003-05-02
EP1306033A3 EP1306033A3 (fr) 2004-01-07
EP1306033B1 EP1306033B1 (fr) 2005-03-02

Family

ID=7703618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02023419A Expired - Lifetime EP1306033B1 (fr) 2001-10-24 2002-10-19 Chaise

Country Status (3)

Country Link
EP (1) EP1306033B1 (fr)
AT (1) ATE289768T1 (fr)
DE (2) DE10152560A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008054225A1 (fr) * 2006-11-01 2008-05-08 Anders Berget Chaise
DE102012109710A1 (de) * 2012-10-11 2014-06-12 Grammer Ag Fahrzeugsitz mit veränderbarer Rückenlehnenform

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10326404B4 (de) * 2003-06-12 2007-09-06 Automotive Group Ise Innomotive Systems Europe Gmbh Vorrichtung zum Schutz von Personen bei einem Frontaufprall auf ein Kraftfahrzeug
DE202004017110U1 (de) * 2004-11-05 2005-01-20 Meyra Wilhelm Meyer Gmbh & Co. Kg Sitz mit einer Sitzfläche und einer Rückenlehne
DE102007018856A1 (de) 2007-04-20 2008-10-23 BRÜNIG, Matthias Bewegliche Rückenlehne für einen Stuhl oder Sessel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135948A1 (de) 1991-10-31 1993-05-06 Rolf 7298 Lossburg De Voelkle Stuhl, insbesondere buerodrehstuhl
DE10050430A1 (de) 2000-10-12 2002-04-18 Sven Poppel Stuhl

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157203A (en) * 1977-05-09 1979-06-05 Center For Design Research And Development N.V. Articulated double back for chairs
DE20107899U1 (de) * 2001-05-10 2001-07-12 Sede Ag Klingnau De Sessel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135948A1 (de) 1991-10-31 1993-05-06 Rolf 7298 Lossburg De Voelkle Stuhl, insbesondere buerodrehstuhl
DE10050430A1 (de) 2000-10-12 2002-04-18 Sven Poppel Stuhl

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008054225A1 (fr) * 2006-11-01 2008-05-08 Anders Berget Chaise
DE102012109710A1 (de) * 2012-10-11 2014-06-12 Grammer Ag Fahrzeugsitz mit veränderbarer Rückenlehnenform
US9079514B2 (en) 2012-10-11 2015-07-14 Grammer Ag Vehicle seat comprising an adjustable backrest shape

Also Published As

Publication number Publication date
EP1306033B1 (fr) 2005-03-02
ATE289768T1 (de) 2005-03-15
EP1306033A3 (fr) 2004-01-07
DE50202363D1 (de) 2005-04-07
DE10152560A1 (de) 2003-05-08

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