EP3515250B1 - Siège - Google Patents

Siège Download PDF

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Publication number
EP3515250B1
EP3515250B1 EP17768087.3A EP17768087A EP3515250B1 EP 3515250 B1 EP3515250 B1 EP 3515250B1 EP 17768087 A EP17768087 A EP 17768087A EP 3515250 B1 EP3515250 B1 EP 3515250B1
Authority
EP
European Patent Office
Prior art keywords
bearing block
upper bearing
bearing surface
lower bearing
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.)
Active
Application number
EP17768087.3A
Other languages
German (de)
English (en)
Other versions
EP3515250A1 (fr
Inventor
Markus Schuppler
Michael Scheller
Jens HELLER
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.)
VS Vereinigte Spezialmobelfabriken GmbH and Co KG
Original Assignee
VS Vereinigte Spezialmobelfabriken GmbH and Co KG
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 VS Vereinigte Spezialmobelfabriken GmbH and Co KG filed Critical VS Vereinigte Spezialmobelfabriken GmbH and Co KG
Publication of EP3515250A1 publication Critical patent/EP3515250A1/fr
Application granted granted Critical
Publication of EP3515250B1 publication Critical patent/EP3515250B1/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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
    • 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
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0257—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame slidingly movable in the base frame, e.g. by rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
    • 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
    • A47C7/002—Chair or stool bases
    • A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. 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
    • A47C7/36—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
    • 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
    • A47C7/002—Chair or stool bases
    • A47C7/006—Chair or stool bases with castors
    • 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 piece of furniture with a rocker mechanism and a rocker mechanism for such a piece of furniture.
  • Seating furniture typically has a seat with a seat and a base.
  • a seat that can be tilted in relation to the horizontal enables active, dynamic and therefore ergonomic sitting for the user.
  • a so-called rocking mechanism between the base and the seat, which is designed in such a way that it enables the seat surface of the seat to be inclined relative to the horizontal in one or more directions.
  • the EP 1 584 266 B1 discloses such a rocking mechanism which enables the seat surface to be inclined relative to the horizontal both in a front / rear direction of the seat surface and in a right / left direction of the seat surface.
  • the rocking mechanism has a pressure plate with a first conicity in the front / rear direction of the seat surface, via which the seat can be inclined in the front / rear direction, and a second conicity in the right / left direction of the seat surface which the seat can be tilted in the right / left direction on.
  • WO 2016/074784 A1 describes a rocking mechanism for an office chair, which has two bearing parts that are movable relative to one another and have correspondingly curved bearing shells for mutual support, which can be tilted or inclined relative to one another in a predetermined angular range by shifting the weight of a user on the seat surface.
  • the US 2015/0173515 A1 and the CH 698 900 A2 each disclose a piece of seating furniture with a rocker mechanism which has a lower bearing block attached to the base and an upper bearing block firmly connected to the seat, the lower bearing block having a convexly curved lower bearing surface on its upper side facing the upper bearing block and the upper bearing block on its lower side facing the lower bearing block has a concavely curved upper bearing surface, the lower bearing surface of the lower bearing block and the upper bearing surface of the upper bearing block having matching radii of curvature and wherein the upper bearing block is displaceable along the upper bearing surface relative to the lower bearing block.
  • the invention is based on the object of creating a simply constructed and smooth rocking mechanism for a piece of furniture with a pedestal that has a support column with a gas spring that can be actuated by a user by means of an actuating lever.
  • the seating furniture according to the invention has a seat with a seat surface, a base frame which has a support column with a gas spring, the gas spring being actuatable by a user by means of an actuating lever, and a rocker mechanism.
  • the rocker mechanism is arranged between the pedestal and the seat and is designed in such a way that it enables the seat surface of the seat to be inclined relative to the horizontal.
  • the rocker mechanism has a lower bearing block, which is attached to the pedestal, and an upper bearing block, which is firmly connected to the seat.
  • the seating furniture is characterized according to the invention in that the lower bearing block has a convexly curved lower bearing surface on its upper side facing the upper bearing block and the upper bearing block has a concavely curved upper bearing surface on its lower side facing the lower bearing block, the lower bearing surface of the lower Bearing block and the upper bearing surface of the upper bearing block have substantially matching radii of curvature and wherein the upper bearing block is displaceable along the upper bearing surface relative to the lower bearing block.
  • the rocker mechanism according to the invention also has an intermediate element between the lower bearing surface and the upper bearing surface, which is placed on the lower bearing surface and has a reduced sliding resistance on its upper side facing the upper bearing surface or is provided on the upper bearing surface and on its lower one Bearing surface facing lower side has a reduced sliding resistance to reduce a sliding resistance between the lower and the upper bearing surface during a relative movement between the lower and the upper bearing block, wherein the intermediate element has a stop for a movement of the operating lever for the gas spring of the support column.
  • the seating furniture of the invention with the specially designed rocking mechanism allows the user to sit ergonomically.
  • the rocking mechanism of the chair according to the invention is simple and has a few components. This allows the weight of the rocker mechanism and the entire seating furniture to be reduced.
  • the seat surface can be tilted easily and is therefore comfortable for the user.
  • the displacement of the two curved bearing surfaces of the two bearing blocks against each other is also relatively low-wear compared to conventional designs of the rocker mechanism, so that the rocker mechanism can have a long service life.
  • the seating furniture is preferably an office chair or a student chair.
  • the seating furniture is preferably designed as a swivel chair.
  • the seat has a seat surface and preferably also a backrest. The seat surface and backrest can then be designed as a common component or as two separately designed, interconnected components.
  • the lower bearing block of the rocker mechanism is attached to the base, i.e. motion-proof connected to this.
  • the attachment can be designed to be detachable or permanent.
  • the upper bearing block of the rocker mechanism is fixed directly or indirectly (e.g. via a seat support), i.e. motion-proof connected to the seat.
  • the connection can be designed to be detachable or permanent.
  • the seat surface of the seat defines in particular a front / rear direction and a right / left direction.
  • the rocking mechanism enables the seat surface to be inclined relative to the horizontal in at least one direction (e.g. front / rear direction of the seat surface), preferably in several directions (e.g. both in the front / rear direction and in the right / left direction of the seat surface ).
  • the inclination of the seat surface in several directions can preferably be continuous in the circumferential direction take place (e.g. gyro-like movement), alternatively only in different discrete directions.
  • the rocker mechanism also has an intermediate element which is arranged between the lower bearing surface and the upper bearing surface.
  • the intermediate element of the rocker mechanism is placed on the lower bearing surface (e.g. placed loosely or attached to the lower bearing surface) and has a reduced sliding resistance on its upper side facing the upper bearing surface or is provided on the upper bearing surface and has a lower bearing surface facing the lower bearing surface Side a reduced sliding resistance.
  • This intermediate element reduces a sliding resistance between the lower and the upper bearing surface in the event of a relative movement between the lower and the upper bearing block.
  • Such an intermediate element enables the seat surface to be tilted particularly smoothly and with little noise.
  • such an intermediate element can extend the service life of the rocker mechanism.
  • the intermediate element of the rocking mechanism is convexly curved on its upper side and concavely curved on its lower side facing the lower bearing surface.
  • the radii of curvature of the upper and lower sides of the intermediate element preferably match the radii of curvature of the upper and lower bearing surfaces of the bearing blocks.
  • the rocker mechanism also has a housing in which the lower bearing block and the upper bearing block are at least partially received.
  • the housing protects the components of the rocker mechanism against dirt and damage and protects the user from being trapped between the moving parts of the rocker mechanism.
  • the housing of the rocker mechanism is preferably firmly connected to the upper bearing block and can be moved relative to the lower bearing block.
  • the housing of the rocker mechanism has a housing opening for leading through the actuating lever for the gas spring of the support column.
  • the rocker mechanism furthermore has at least one elastic element which generates a spring action which is directed against the relative movement between the lower and the upper bearing block.
  • the elastic element dampens the inclination movement of the seat surface in the various directions and assists in returning the seat surface to the neutral position.
  • the elastic element also enables a stop-free inclination limitation and thus an elimination of impact noises when the seat surface is strongly inclined.
  • the elastic element is preferably in the form of a spring block, i. a block made of an elastic material.
  • the at least one elastic element is preferably designed as an annular spring block or as a plurality of spring blocks arranged in a ring.
  • this at least one elastic element of the rocker mechanism is arranged between the lower bearing block and the housing.
  • the lower bearing block preferably has a circumferential projection and the elastic element is arranged between a lower side of this circumferential projection facing away from the upper bearing block and a lower housing wall.
  • the rocker mechanism enables different maximum angles of inclination in different directions of inclination.
  • the rocking mechanism enables the seat surface to be inclined relative to the horizontal in the front / rear direction of the seat surface by a maximum of about 8 ° and the seat surface of the seat to be inclined relative to the horizontal in the right / left direction of the seat surface by a maximum of about 3.5 °.
  • the invention also relates to a rocker mechanism itself, which can be arranged between a pedestal, which has a support column with a gas spring that can be operated by a user by means of an operating lever, and a seat of a chair and is designed in such a way that it inclines the seat surface of the seat in relation to the horizontal in several directions.
  • the rocking mechanism of the The invention is configured as above in connection with the seating furniture of the invention and offers the same advantages.
  • Fig. 1 shows an example of an office or school chair as seating furniture 10 of the invention.
  • the seating furniture 10 has a seat 12 with a seat surface 12a and a backrest 12b.
  • the seat surface 12a and the backrest 12b are designed in the form of a common seat shell; In other embodiments of the invention, seat surface 12a and backrest 12b can also be designed as separate components that are connected to one another.
  • the seat 12 is made of a plastic material; In other embodiments of the invention, other materials or combinations of materials can also be used.
  • the seat 12 is fastened to a seat support 13 and carried on a base frame 14.
  • the base frame 14 has a base 16 with several arms and castors 18.
  • the base frame 14 has a support column 20.
  • the support column 20 is equipped with a gas spring so that the seating furniture 10 is height-adjustable.
  • a rocker mechanism 24 is located between the base frame 14 and the seat 12 or the seat support 13. This rocker mechanism 24 enables the seat surface 12a of the seat 12 to be inclined in several directions with respect to the horizontal, in particular also in a front / rear direction of the seat surface 12a and a right / left direction of the seat surface 12a (optionally continuously in the circumferential direction or in discrete directions), so that ergonomic sitting can be achieved for a user of the chair 10.
  • Fig. 2 shows an upper end of the support column 20 of the pedestal 14, which is equipped with a gas spring, and an inner end of a corresponding actuating lever 22 for the gas spring, with which a user can operate the gas spring to the length of the support column 20 and thus the height of the To change seat 12a according to his wishes.
  • the rocker mechanism 24 has a lower bearing block 26 made of metal, for example.
  • This lower bearing block 26 is fastened to the upper end of the support column 20, for example placed by means of a press fit.
  • the lower bearing block 26 On its upper side facing the seat surface 12a, the lower bearing block 26 has a central projection 27 which is provided with a convexly curved lower bearing surface 28.
  • This lower bearing surface 28 is designed, in particular, as a spherical shell section with a predetermined radius of curvature.
  • the rocker mechanism 24 also has an upper bearing block 30, for example made of metal.
  • the seat support 13 and thus the seat 12 are fastened to this upper bearing block 30, for example by means of a screw connection.
  • the upper bearing block 30 On its lower side facing the lower bearing block 26, the upper bearing block 30 is designed with a central recess 31 which is provided with a concavely curved upper bearing surface 32.
  • This upper bearing surface 32 is designed, in particular, as a spherical shell section with a predetermined radius of curvature which essentially corresponds to the radius of curvature of the lower bearing surface 28 of the lower bearing block 26.
  • the upper bearing surface 32 is preferably designed as a full-surface bearing surface (in contrast to, for example, annular bearing surfaces).
  • the lower and upper bearing surfaces 28, 32 are slightly spaced from one another.
  • an intermediate element 34 in the form of a sliding cap is inserted between the lower bearing surface 28 on the lower bearing block 26 and the upper bearing surface 32 on the upper bearing block 30.
  • the intermediate element 34 is placed on the lower bearing surface 28 of the lower bearing block 26.
  • the intermediate element is convexly curved on its upper side facing the upper bearing surface 32 and concavely curved on its lower side facing the lower bearing surface 28.
  • the radii of curvature of the intermediate element 34 essentially coincide with the radii of curvature of the bearing surfaces 28, 32.
  • the upper side of the intermediate element 34 preferably forms an at least almost full-area bearing surface.
  • the central projection 27 of the lower bearing block 26 is formed with at least one recess 38.
  • the intermediate element 34 is formed on its lower side with at least one projection 36 which can engage in the at least one recess 38.
  • the intermediate element 34 can thus be fastened to the projection 27 of the lower bearing block 26 by a press fit.
  • an adhesive connection can be used.
  • the intermediate element 34 can also be placed loosely on the lower bearing surface 28 or loosely placed on the lower bearing surface 28 and then glued to it.
  • the intermediate element 34 On its upper side, the intermediate element 34 has a reduced sliding resistance. I.e. the sliding resistance between the upper side of the intermediate member 34 and the upper bearing surface 32 is reduced compared to the sliding resistance between the upper bearing surface 32 and the lower bearing surface 28.
  • the intermediate element 34 is preferably made of a plastic material; in addition, the upper side of the intermediate element 34 can be specially machined and / or coated.
  • the projection 36 of the intermediate element 34 protruding into the recess 38 of the projection 27 of the lower bearing block 26 is used, as in FIG Fig. 2 illustrates, at the same time as a stop for the inner end of the actuating lever 22 for the gas spring of the support column 20.
  • the intermediate element 34 thus limits the travel of the actuating lever 22 and prevents its stop against the lower bearing block 26. In this way, can Noises caused by the striking of the actuating lever 22 and the lower bearing block 26, which are usually both made of metal, can be avoided.
  • the lower bearing block 26 and the upper bearing block 30 are surrounded by a housing 40.
  • the housing 40 is made of metal or plastic, for example.
  • the housing 40 is part of the rocker mechanism 24 and is attached to the upper bearing block 30.
  • the housing 40 has a housing opening 44 for the passage of the actuating lever 22 for the gas spring.
  • the lower bearing block 26 has a circumferential projection 43 and the housing 40 has a lower housing wall 45 as the lower limit of the housing 40.
  • the rocker mechanism 24 also has at least one elastic element 42, which in this exemplary embodiment is designed as an annular spring block made of an elastic material. This elastic element 42 is positioned between the lower side of the circumferential projection 43 of the lower bearing block 26 and the lower housing wall 45 of the housing 40.
  • the upper bearing block 30 of the rocker mechanism 24 which is firmly connected to the seat surface 12a via the seat support 13, moves along its upper bearing surface 32 relative to the intermediate element 34 and thus relative to the lower bearing block 26 the seat surface 12a relative to the horizontal.
  • the housing 40 of the rocker mechanism 24, which is firmly connected to the upper bearing block 30, is also moved relative to the lower bearing block 26.
  • the maximum inclination is determined by the maximum compression of the elastic element 42.
  • a stop of the housing 40 against the lower bearing block 26 is through the elastic Element 42 also prevented.
  • the elastic element 42 assists in returning the seat surface 12a to the neutral position.
  • the elastic element 42 can also have different elastic properties, in particular different maximum degrees of compression, along its circumference. It is thus possible in a simple manner for the seat surface 12a to have different maximum angles of inclination in different directions of inclination.
  • the rocker mechanism 24 enables the seat surface 12a of the seat 12 to be inclined relative to the horizontal in the front / rear direction of the seat surface 12a by a maximum of about 8 ° and the seat surface 12a of the seat 12 to be inclined relative to the horizontal in the right / left Direction of the seat surface 12a by a maximum of about 3.5 °.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)

Claims (15)

  1. Mobilier de siège (10), comprenant :
    un siège (12) avec une surface de siège (12a) ;
    un piètement (14), lequel comprend une colonne de support (20) avec un ressort à gaz, le ressort à gaz pouvant être actionné par un utilisateur au moyen d'un levier d'actionnement (22) ; et
    un mécanisme de basculement (24) qui est disposé entre le piètement (14) et le siège (12) et configuré de manière à permettre une inclinaison de la surface de siège (12a) du siège (12) par rapport à l'horizontale,
    dans lequel le mécanisme de basculement (24) comprend un bloc de support inférieur (26) qui est monté sur le piètement (14), et un bloc de support supérieur (30) qui est solidaire du siège (12), dans lequel
    le bloc de support inférieur (26) comprend une surface de support inférieure (28) à courbure convexe sur son côté supérieur faisant face au bloc de support supérieur, et le bloc de support supérieur (30) comprend une surface de support supérieure (32) à courbure concave sur son côté inférieur faisant face au bloc de support inférieur, la surface de support inférieure (28) du bloc de support inférieur (26) et la surface de support supérieure (32) du bloc de support supérieur (30) ayant des rayons de courbure sensiblement identiques et le bloc de support supérieur (30) pouvant se déplacer, vis-à-vis du bloc de support inférieur (26), le long de la surface de support supérieure (32), et
    le mécanisme de basculement (24) comprend en outre un élément intermédiaire (34) entre la surface de support inférieure (28) et la surface de support supérieure (32), lequel élément intermédiaire est disposé sur la surface de support inférieure (28) et a une résistance au glissement réduite sur son côté supérieur faisant face à la surface de support supérieure (32) ou lequel élément intermédiaire est prévu sur la surface de support supérieure (32) et a une résistance au glissement réduite sur son côté inférieur faisant face à la surface de support inférieure (28), afin de réduire une résistance au glissement entre les surfaces de support inférieure et supérieure (28, 32) lors d'un mouvement relatif entre les blocs de support inférieur et supérieur (26, 30), l'élément intermédiaire (34) comprenant une butée pour arrêter un mouvement du levier d'actionnement (22) du ressort à gaz de la colonne de support (20).
  2. Mobilier de siège selon la revendication 1, dans lequel
    l'élément intermédiaire (34) du mécanisme de basculement (24) est incurvé de manière convexe sur son côté supérieur et incurvé de manière concave sur son côté inférieur faisant face à la surface de support inférieure (28).
  3. Mobilier de siège selon la revendication 1 ou 2, dans lequel
    le mécanisme de basculement (24) comprend en outre un boîtier (40) à l'intérieur duquel le bloc de support inférieur (26) et le bloc de support supérieur (30) sont logés au moins en partie.
  4. Mobilier de siège selon la revendication 3, dans lequel
    le boîtier (40) du mécanisme de basculement (24) est solidaire du bloc de support supérieur (30) et peut se déplacer vis-à-vis du bloc de support inférieur (26).
  5. Mobilier de siège selon la revendication 3 ou 4, dans lequel
    le boîtier (40) du mécanisme de basculement (24) comprend une ouverture de boîtier (44) pour faire passer le levier d'actionnement (22) du ressort à gaz de la colonne de support (20).
  6. Mobilier de siège selon l'une quelconque des revendications précédentes, dans lequel
    le mécanisme de basculement (24) comprend en outre au moins un élément élastique (42) qui génère un effet de ressort orienté en sens inverse du mouvement relatif entre les blocs de support inférieur et supérieur (26, 30).
  7. Mobilier de siège selon la revendication 6 en combinaison avec l'une des revendications 3 à 5, dans lequel
    ledit au moins un élément élastique (42) du mécanisme de basculement (24) est disposé entre le bloc de support inférieur (26) et le boîtier (40).
  8. Mobilier de siège selon l'une quelconque des revendications précédentes, dans lequel
    le mécanisme de basculement (24) permet différents angles d'inclinaison maximale dans diverses directions d'inclinaison.
  9. Mécanisme de basculement (24), lequel peut être disposé entre un piètement (14), qui comprend une colonne de support (20) avec un ressort à gaz pouvant être actionné par un utilisateur au moyen d'un levier d'actionnement (22), et un siège (12) d'un mobilier de siège (10), et lequel est configuré de manière à permettre une inclinaison de la surface de siège (12a) du siège (12) par rapport à l'horizontale, le mécanisme de basculement comprenant :
    un bloc de support inférieur (26) qui peut être monté sur le piètement (14), et un bloc de support supérieur (30) qui peut être solidaire du siège (12),
    dans lequel le bloc de support inférieur (26) comprend une surface de support inférieure (28) à courbure convexe sur son côté supérieur faisant face au bloc de support supérieur, et le bloc de support supérieur (30) comprend une surface de support supérieure (32) à courbure concave sur son côté inférieur faisant face au bloc de support inférieur, la surface de support inférieure (28) du bloc de support inférieur (26) et la surface de support supérieure (32) du bloc de support supérieur (30) ayant des rayons de courbure sensiblement identiques et le bloc de support supérieur (30) pouvant se déplacer, vis-à-vis du bloc de support inférieur (26), le long de la surface de support supérieure (32), et
    un élément intermédiaire (34) entre la surface de support inférieure (28) et la surface de support supérieure (32), lequel élément intermédiaire est disposé sur la surface de support inférieure (28) et a une résistance au glissement réduite sur son côté supérieur faisant face à la surface de support supérieure (32) ou lequel élément intermédiaire est prévu sur la surface de support supérieure (32) et a une résistance au glissement réduite sur son côté inférieur faisant face à la surface de support inférieure (28), afin de réduire une résistance au glissement entre les surfaces de support inférieure et supérieure (28, 32) lors d'un mouvement relatif entre les blocs de support inférieur et supérieur (26, 30), l'élément intermédiaire (34) comprenant une butée pour arrêter un mouvement du levier d'actionnement (22) du ressort à gaz de la colonne de support (20).
  10. Mécanisme de basculement selon la revendication 9, dans lequel
    l'élément intermédiaire (34) est incurvé de manière convexe sur son côté supérieur et incurvé de manière concave sur son côté inférieur faisant face à la surface de support inférieure (28).
  11. Mécanisme de basculement selon la revendication 9 ou 10, comprenant en outre : un boîtier (40) à l'intérieur duquel le bloc de support inférieur (26) et le bloc de support supérieur (30) sont logés au moins en partie.
  12. Mécanisme de basculement selon la revendication 11, dans lequel
    le boîtier (40) est solidaire du bloc de support supérieur (30) et peut se déplacer vis-à-vis du bloc de support inférieur (26).
  13. Mécanisme de basculement selon la revendication 11 ou 12, dans lequel
    le boîtier (40) comprend une ouverture de boîtier (44) pour faire passer le levier d'actionnement (22) du ressort à gaz de la colonne de support (20).
  14. Mécanisme de basculement selon l'une quelconque des revendications 9 à 12, comprenant en outre :
    au moins un élément élastique (42) qui génère un effet de ressort orienté en sens inverse du mouvement relatif entre les blocs de support inférieur et supérieur (26, 30).
  15. Mécanisme de basculement selon la revendication 14 en combinaison avec l'une des revendications 11 à 13, dans lequel
    ledit au moins un élément élastique (42) est disposé entre le bloc de support inférieur (26) et le boîtier (40).
EP17768087.3A 2016-09-20 2017-09-13 Siège Active EP3515250B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016217992.6A DE102016217992A1 (de) 2016-09-20 2016-09-20 Sitzmöbel
PCT/EP2017/072986 WO2018054731A1 (fr) 2016-09-20 2017-09-13 Siège

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EP3515250A1 EP3515250A1 (fr) 2019-07-31
EP3515250B1 true EP3515250B1 (fr) 2020-11-04

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AU (1) AU2017329476B2 (fr)
DE (1) DE102016217992A1 (fr)
DK (1) DK3515250T3 (fr)
WO (1) WO2018054731A1 (fr)

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DE102020101034A1 (de) * 2020-01-17 2021-07-22 Bock 1 Gmbh & Co. Kg Träger für ein Sitzmöbel
TWM627702U (zh) * 2021-12-22 2022-06-01 林長貞 可擺動之座椅底盤

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AU2017329476B2 (en) 2022-09-08
US20200000231A1 (en) 2020-01-02
DE102016217992A1 (de) 2018-03-22
WO2018054731A1 (fr) 2018-03-29
AU2017329476A1 (en) 2019-05-02
US10772427B2 (en) 2020-09-15
DK3515250T3 (da) 2020-12-07
EP3515250A1 (fr) 2019-07-31

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