EP0688521B1 - Sitzmöbel mit zahlreichen Einstellmöglichkeiten - Google Patents

Sitzmöbel mit zahlreichen Einstellmöglichkeiten Download PDF

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Publication number
EP0688521B1
EP0688521B1 EP19950480077 EP95480077A EP0688521B1 EP 0688521 B1 EP0688521 B1 EP 0688521B1 EP 19950480077 EP19950480077 EP 19950480077 EP 95480077 A EP95480077 A EP 95480077A EP 0688521 B1 EP0688521 B1 EP 0688521B1
Authority
EP
European Patent Office
Prior art keywords
plane
adjustment
seat
sitting surface
relative
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.)
Expired - Lifetime
Application number
EP19950480077
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English (en)
French (fr)
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EP0688521A1 (de
Inventor
Albert Palanque
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0688521A1 publication Critical patent/EP0688521A1/de
Application granted granted Critical
Publication of EP0688521B1 publication Critical patent/EP0688521B1/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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • 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 inclination
    • A47C1/0246—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by means of screw-and-nut mechanism
    • 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 inclination
    • A47C1/026—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by means of a peg-and-notch or pawl-and-ratchet mechanism
    • 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
    • A47C7/024—Seat parts with double seats
    • 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 present invention relates to a device intended for sit, such as a seat, armchair, chair, bench.
  • the essential purpose of this device is to ensure the best possible holding of the spine of a user, and therefore alleviate back pain by a sitting position in orthorachism of the column vertebral.
  • This goal is achieved due, on the one hand, to the structure specific of the seat and, on the other hand, multiples seat and backrest adjustment possibilities.
  • the posterior curve repels the column in lordosis without avoid occasional support. If the user tries to reach the back with the sacrum, it accentuates lordosis.
  • the body supports being made by the ischial tuberosities on the horizontal part of the seat and by a point of the dorsal column on the part vertical, the lumbar spine does not have direct support.
  • the state of the art can be defined by document EP-A-0.167.435 of the plaintiff, who offers a seat of the type comprising a seat part supported by feet and a backrest and the seat part of which consists of two parts whose planes form between them two angles intended for position the femurs, pelvis and spine, the seat part only has two support planes, the first part is a plan substantially horizontal and the second part is directly connected to the backrest, characterized in that this second part is flat in plane inclined downwards only intended for the spine and forms with the backrest, its corresponding end, an acute angle ⁇ of the order of 15 ° which is the lowest point at the bottom end of the backrest and that said seat part forms, with its first part, only intended for femurs, and its second part intended only for the spine, a first dihedral angle with an upper vertex and a second dihedral angle with lower apex, formed by the intersection of the said second part and the file, and that the part connected to the backrest is slightly longer than the
  • Document FR-A-2.072.977 proposes a tilting chair comprising a seat part, a backrest so connected fixed to the latter and provided with a part forming a headrest as well that a tubular upright carrying the seat and the back, a person seated in the chair who can lean back tilt the seat and backrest around a horizontal axis placed in the tubular upright, characterized in that a control device capable of being actuated by the tilting movement of the seat part makes it possible to make pivot on the one hand an anterior part, provided on the front side of the seat part, with respect to this part around a horizontal axis arranged on the latter and on the other hand, at means of an intermediate organ capable of being put into action and out of action, the part forming the headrest relative to the folder around a second horizontal axis arranged on this latest.
  • This document is a tilting chair which can be tilted the backrest so that the spine is applied to it by the weight of the body.
  • the part forming the seat is in a single part, of which one plan.
  • the front part is only used for the legs.
  • the seat / backrest angle is fixed at 90 °.
  • Document FR-A-2.651.657 of the applicant relates to a seat which is formed by a frame which forms a support for the seat part, feet, and a vertical stem which forms the support for the file. Hanging from this vertical gallows the backrest which is articulated at its lower end or base with the seat part.
  • the seat part consists of two seat plans articulated between them and the support plan in counter-slope is articulated, also, at the base of the backrest suspended.
  • the first support plane which is substantially horizontal is slidably mounted in a slide on the support formed by the chassis; a fixing means makes it possible to block it in the desired position.
  • the main object of the present invention is to provide a seat with two planes and a backrest, the positions of which can be changed independently, in order to adapt to the morphology of any user.
  • the backrest is adjustable in depth so that the horizontal plane of the seat is always located under the femurs of the user, while the counter-plan is adjustable angularly depending on the position of the tuberosities ischial.
  • the present invention relates to a device, intended to allow a person to sit, such as a seat, an armchair, chair or bench, of the type which includes a backrest and seat made up of two support planes forming, between them, an obtuse angle ⁇ downwards, the foreground of the seat being in a substantially horizontal position and the second plane of the seat being inclined in a slope relative to the backrest with which it cooperates, the backrest forming an acute angle ⁇ with respect to the vertical;
  • the foreground of the seat is intended to receive the femurs of a user, the second plane to receive the ischiae, the foreground being of a length lower than the second plane, characterized in that it comprises means for depth adjustment of the position of the backrest by relative to the seat and angular adjustment means of the second plane of the seat relative to the foreground of said seat, the respective positions are changed independently, so that the angles ⁇ and ⁇ are adjustable in order to adapt to the morphology of any user.
  • the angular adjustment of the second plane of the seat relative to the foreground of said seat and / or the depth adjustment of the backrest and / or the adjustment angular of said backrest is ensured, for each adjustment, by at minus an adjustment screw with the free end in contact or secured, while remaining mobile in rotation about its axis longitudinal, to the element to be adjusted, and whose threaded body cooperates with a threaded fixed point on the chassis of the device.
  • the angular adjustment of the second plane of the seat relative to the first plane of said seat and / or adjustment of the backrest and / or adjustment angular of said backrest is ensured, for each adjustment, by at minus a link, one end of which is hinged on the element to be adjusted and the other end of which is movable in a fixed window of the device chassis, the assembly being locked in position by a clamping means.
  • the adjustment angle of the second plane of the seat relative to the first plane said seat and / or the depth adjustment of the backrest and / or the angular adjustment of said backrest is ensured, for each adjustment, by at least one rack and pinion rod articulated by one of its ends on the element to be adjusted, the connecting rod rack cooperating with a fixed lug, locking in position, carried by the chassis of the device.
  • the adjustment angle of the second plane of the seat relative to the first plane said seat and / or the depth adjustment of the backrest and / or the angular adjustment of said backrest is ensured by a longitudinal member inverted V shape, articulated along an axis to the chassis of the device, one of the arms of the spar being in contact or secured to the element to be adjusted the other arm comprising a lug fixed, said spar and the lug being movable in a window carried by said chassis, the spar and said lug being blocked in position by a locking screw.
  • the setting in backrest depth ensured by at least two tubes concentric that can slide into each other and be locked in position relative to each other by means of screws blocking, one of the tubes constituting the chassis of the device, the other tube being integral with the back of said device.
  • the angle ⁇ is substantially 130 degrees (°) and the angle ⁇ is approximately 15 °, which creates an angle ⁇ close to 35 ° (between the second plane of the seat and the backrest) which is specific to each user.
  • the present invention relates to a device 1 intended for allow a person to sit.
  • This device 1 is represented in FIGS. 1 to 5 by a chair 1.
  • This chair 1 is of the classic type since it has a backrest 2 and a seat 3.
  • This seat 3 also has characteristics which are known and clearly visible in FIG. 2.
  • This seat 3 consists of two support planes forming between them an obtuse angle ⁇ downwards.
  • This angle ⁇ corresponds to the inclination of the second plane 5 of the seat 3 with the horizontal.
  • the foreground 4 of the seat 3 has a position which is substantially horizontal. It is intended to receive the femurs of a user.
  • the second plane 5 of the seat 3 is, in turn, inclined in against the backrest 2. This second plan 5 is intended to receive the user's ischia.
  • the second plane 5 forms with the backrest 2 an acute angle ⁇ .
  • the two angles ⁇ and ⁇ can therefore be adjusted to obtain an angle ⁇ well suited to the morphology of the user. But adjusting the angles ⁇ and ⁇ also allows the depth adjustment of the second plane 5 relative to the backrest 2, always with the aim of marrying the shapes of the pelvis as well as possible said user.
  • This figure 2 shows four adjustment possibilities.
  • Backrest 2 can also be adjusted in depth by relative to the seat 3. This adjustment when carried forward for the entire file 2, is done according to F3. When the adjustment is done, conversely, backwards, it is carried out according to F4. This setting increases or decreases the length of the second plane 5 of the seat 3.
  • This adjustment is made according to F5 when the rear end of the second plane 5 goes upwards and according to F6 when this rear end goes down.
  • the last setting is more classic. It is only a setting either upwards according to F7, or downwards according to F8 of the entire seat 3, and even of the entire chair 1 (backrest 2 + seat 3).
  • the adjustment means can also be in depth with regard to the position of the backrest 2 in relation to the seat 3 but also means for adjusting the height of the all of said seat 3 or all of chair 1.
  • Adjusting the angles ⁇ and ⁇ will make it possible to obtain an angle ⁇ , present between the second plane 5 of the seat 3 and the backrest 2, this angle ⁇ being specific to the morphology of the user, just like the length of said second plane 5.
  • the two adjustment angles are ⁇ and ⁇ , consisting of a share, by a mobile segment (second plan 5 for ⁇ and file 2 for ⁇ ) and on the other hand, by a fixed reference (the horizontal for ⁇ and the vertical for ⁇ ).
  • ⁇ is the angle of adjustment of the seat 3 and ⁇ is that of file 2.
  • the two mobile segments previously described, define the angle ⁇ .
  • This articulation axis 6 or 16 is present at the interface between the first plane 4 and the second plane 5 of said seat 3.
  • the setting can use the adjustment screws referenced 7 to 12 which have a free end which can either be supported or secured while remaining mobile in rotation about its longitudinal axis to the element to be adjusted and whose threaded body of said screw 7 to 12 cooperates with a threaded fixed point located at the frame 27 to 30 constituting the device 1.
  • the screw 7 also allows adjustment angular according to F1 or F2 of file 2.
  • the screw 8 allows the angular adjustment according to F1 or F2 of backrest 2 while screw 9 allows adjustment angular of the second plane 5 of the seat 3 according to F5 or F6.
  • the angular adjustment according to F1 or F2 are made using two screws 10 and 11 which cooperate.
  • the angular adjustment of the second plane 5 of the seat 3 relative to the foreground 4 of said seat 3 is provided for each adjustment by at least one link 13 of which one of the ends is articulated on the element to be adjusted, i.e. the second plane 5, and the other end of which is movable in a fixed window 14 of the chassis 30, the assembly being able to be blocked in position by a clamping means 15.
  • This embodiment of the invention allows angular adjustment of the second plane 5 according to F5 or F6.
  • the setting angular of the second plane 5 of the seat 3 relative to the first plan 4 is ensured for each adjustment by a connecting rod rack 17 articulated by one of its ends on the second plan 5 which must be set according to F5 or F6.
  • the rack rod 17 cooperates with a fixed lug 18 allowing locking in position on the chassis 28.
  • the angular adjustment of the second plane 5 of the seat 3 relative to the foreground 4 is provided by another embodiment.
  • This is ensured by a shaped spar of inverted V 22 which is articulated along an axis 16 relative to the frame 27 of the device 1.
  • One of the arms of the beam 22 is supported or is integral with the second plane 5 of the seat 3 while the other arm comprises a fixed lug 31 which is movable at inside a window 32 made on the frame 27.
  • This window 32 longitudinal, extends vertically and delimits the amplitude of adjustment of the second plane 5 relative to the first plan 4.
  • the assembly is immobilized in position via a locking screw 33.
  • the depth adjustment of the backrest 2 is provided by two concentric tubes 19 and 20 which can slide one 19 into the other 20. These two tubes 19 and 20 are locked in position one 19 relative to the other 20 by via locking screw 21.
  • the tube 20 is in fact constituted in the figures by the frame 28 or 29.
  • the other tube 19 is in solidarity with file 2.
  • the height adjustment of the seat 3 is provided in a fairly conventional manner by a jack 23 connecting the chassis 27 to 30 at the foot 24 of the device 1 clearly visible on the figure 1. This allows adjustment according to F7 or F8.
  • the support tube 34 of the backrest 2 and said backrest 2 are articulated together to allow adjustment according to F1 or F2 and are blocked in position by means of a simple clamping screw 26.
  • This chair 1 is particularly intended for situations long sitting.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (8)

  1. Vorrichtung zum Sitzen (1), wie zum Beispiel ein Sitz, ein Sessel, ein Stuhl (1) oder eine Bank, einer Art, die aus einer Lehne (2) und einer Sitzfläche (3), welche aus zwei zueinander in einem nach unten weisenden stumpfen Winkel β liegenden Lagerebenen besteht, gebildet wird, wobei sich die erste Ebene (4) der Sitzfläche (3) in einer im wesentlichen horizontalen Position befindet, und der zweite Ebene (5) der Sitzfläche (3) in Gegenschräge in Bezug auf die Lehne (2), mit welcher sie zusammenwirkt, geneigt ist, und die Lehne (2) einen spitzen Winkel γ in Bezug auf die Vertikale bildet; die erste Ebene (4) der Sitzfläche (3) dazu bestimmt, die Oberschenkel und die zweite Ebene (5) das Sitzbein des Benutzers aufzunehmen, wobei die Länge der ersten Ebene (4) geringer ist als die der zweiten Ebene (5), dadurch gekennzeichnet,
    daß sie mit Mitteln zur Einstellung der Tiefe der Lehne (2) in Bezug auf die Sitzfläche (3) und zur Einstellung des Winkels der zweiten Ebene (5) der Sitzfläche (3) in Bezug auf die erste Ebene (4) der besagten Sitzfläche (3) versehen ist, die jeweiligen Positionen unabhängig eingestellt werden, so daß die Winkel β und γ einstellbar sind, um sich dem Körperbau einer beliebigen Person anzupassen.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Schnittstelle zwischen der ersten Ebene (4) und der zweiten Ebene (5) der Sitzfläche (3) von mindestens einer Gelenkachse (6 oder 16) gebildet wird.
  3. Vorrichtung gemäß irgendeinem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Winkeleinstellung der zweiten Ebene (5) der Sitzfläche (3) in Bezug auf die erste Ebene (4) der besagten Sitzfläche (3) und/oder die Tiefeneinstellung der Lehne (2) und/oder die Winkeleinstellung der besagten Lehne (2) jeweils gewährleistet ist durch mindestens eine Einstellschraube (7 bis 12), deren freies Ende an dem einzustellenden Teil anliegt oder mit diesem kraftschlüssig ist, dabei jedoch um die Längsachse drehbar bleibt, und deren Gewindeteil mit einem ein Innengewinde aufweisenden Festpunkt des Chassis (27 bis 30) der Vorrichtung (1) zusammenwirkt.
  4. Vorrichtung gemäß irgendeinem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Winkeleinstellung der zweiten Ebene (5) der Sitzfläche (3) in Bezug auf die erste Ebene (4) der besagten Sitzfläche (3) und/oder die Tiefeneinstellung der Lehne (2) und/oder die Winkeleinstellung der besagten Lehne (2) jeweils gewährleistet ist durch mindestens einen Schwingarm (13), dessen eines Ende gelenkig auf dem einzustellenden Teil gelagert ist und dessen anderes Ende in einem festen Ausschnitt (14) des Chassis (30) der Vorrichtung (1) beweglich ist, wobei diese Einheit durch ein Spannmittel (15) in Position gehalten wird.
  5. Vorrichtung gemäß irgendeinem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Winkeleinstellung der zweiten Ebene (5) der Sitzfläche (3) in Bezug auf die erste Ebene (4) der besagten Sitzfläche (3) und/oder die Tiefeneinstellung der Lehne (2) und/oder die Winkeleinstellung der besagten Lehne (2) jeweils gewährleistet ist durch mindestens eine Zahnstange (17), die an einem ihrer Enden gelenkig auf dem einzustellenden Teil gelagert ist, wobei diese Zahnstange (17) mit einem fest am Chassis (28) der Vorrichtung (1) angebrachten Zapfen (18) zur Haltung in Position zusammenwirkt.
  6. Vorrichtung gemäß irgendeinem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daR die Winkeleinstellung der zweiten Ebene (5) der Sitzfläche (3) in Bezug auf die erste Ebene (4) der besagten Sitzfläche (3) und/oder die Tiefeneinstellung der Lehne (2) und/oder die Winkeleinstellung der besagten Lehne (2) gewährleistet ist durch einen Längsträger in Form eines kopfstehenden V-Profils (22), welcher gemäß einer Achse (16) an dem Chassis (27) der Vorrichtung (1) gelenkig gelagert ist, wobei einer der Arme des Längsträgers (22) mit dem einzustellenden Teil in Kontakt oder kraftschlüssig ist, und der andere Arm einen fest angebrachten Zapfen (31) aufweist, der besagte Längsträger (22) und der Zapfen (31) in einem an dem besagten Chassis (27) ausgeführten Ausschnitt (32) beweglich sind, wobei der Längsträger (22) und der besagte Zapfen (31) durch eine Spannschraube (33) in Position gehalten werden.
  7. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Tiefeneinstellung der Lehne (2) in Bezug auf die Sitzfläche (3) durch mindestens zwei konzentrische Rohre (19 und 20) gewährleistet wird, wobei ein Rohr (19) in dem anderen Rohr (20) gleitend geführt wird, und ein Rohr (19) in Bezug auf das andere Rohr (20) mittels einer Spannschraube (21) in Position gehalten wird, und wobei eines (20) der Rohre das Chassis (28 oder 29) der Vorrichtung (1) bildet und das andere Rohr (19) mit der Lehne (2) der besagten Vorrichtung (1) kraftschlüssig ist.
  8. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß der Winkel β im wesentlichen 130 Grad (°) und der Winkel γ im wesentlichen 15° beträgt, wodurch ein Winkel α von nahezu 35° zwischen der zweiten Ebene (5) der Sitzfläche (3) und der Lehne (2) entsteht, der für jeden Benutzer spezifisch ist.
EP19950480077 1994-06-22 1995-06-20 Sitzmöbel mit zahlreichen Einstellmöglichkeiten Expired - Lifetime EP0688521B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9407759 1994-06-22
FR9407759A FR2721488B1 (fr) 1994-06-22 1994-06-22 Dispositif destiné à s'asseoir comportant de nombreuses possibilités de réglage.

Publications (2)

Publication Number Publication Date
EP0688521A1 EP0688521A1 (de) 1995-12-27
EP0688521B1 true EP0688521B1 (de) 1999-04-28

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EP19950480077 Expired - Lifetime EP0688521B1 (de) 1994-06-22 1995-06-20 Sitzmöbel mit zahlreichen Einstellmöglichkeiten

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EP (1) EP0688521B1 (de)
DE (1) DE69509302D1 (de)
FR (1) FR2721488B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2342037B (en) * 1996-05-18 2000-07-05 Slipcatch Ltd Improvements in or relating to seats
CN112386764B (zh) * 2020-12-04 2023-01-13 济宁市瑞信堂大禹药业有限公司 一种儿科输液用座椅

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE760088A (fr) 1969-12-17 1971-05-17 Giroflex Entwicklungs Ag Chaise basculante
US4099774A (en) * 1977-01-24 1978-07-11 Leggett & Platt, Incorporated Stenographer's chair
SE433293B (sv) 1980-09-29 1984-05-21 Ackermann Ab Sittmobel, sasom stol, soffa, benk eller liknande, vars sittyta er delad
FR2565802B1 (fr) * 1984-06-19 1987-07-10 Orthopedique Realisa Assi Cent Siege dont la partie d'assise presente une premiere partie, sensiblement horizontale, et une seconde partie, inclinee vers le bas, qui est raccordee au dossier
CH675194A5 (en) * 1987-02-17 1990-09-14 Robert George Butler Chair with seat adjustable in height and inclination - has forwards adjustable seat inclination for pelvis support, and backrest with pelvis support roller
FR2651657A1 (fr) 1989-09-08 1991-03-15 Palanque Albert Siege du type dont la partie d'assise presente deux plans d'appui, le premier est horizontal, le second est en plan incline en contre-pente vers la base du dossier.

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FR2721488A1 (fr) 1995-12-29
DE69509302D1 (de) 1999-06-02
EP0688521A1 (de) 1995-12-27
FR2721488B1 (fr) 1996-09-06

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