EP0761136B1 - Siège dynamico-actif - Google Patents

Siège dynamico-actif Download PDF

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Publication number
EP0761136B1
EP0761136B1 EP96114568A EP96114568A EP0761136B1 EP 0761136 B1 EP0761136 B1 EP 0761136B1 EP 96114568 A EP96114568 A EP 96114568A EP 96114568 A EP96114568 A EP 96114568A EP 0761136 B1 EP0761136 B1 EP 0761136B1
Authority
EP
European Patent Office
Prior art keywords
active
seat device
dynamic seat
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.)
Expired - Lifetime
Application number
EP96114568A
Other languages
German (de)
English (en)
Other versions
EP0761136A1 (fr
Inventor
Walter Frese
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.)
Schnitger Fritz Dr
Original Assignee
Schnitger Fritz Dr
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 Schnitger Fritz Dr filed Critical Schnitger Fritz Dr
Priority to EP00102876A priority Critical patent/EP1005812B1/fr
Publication of EP0761136A1 publication Critical patent/EP0761136A1/fr
Application granted granted Critical
Publication of EP0761136B1 publication Critical patent/EP0761136B1/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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • 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
    • A47C3/029—Rocking chairs with curved rocking members resting on the floor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects

Definitions

  • the invention relates to a height-adjustable seat device.
  • a seat part With seating, it makes ergonomic sense to have a seat part to provide the after with an elastic restoring force is tilted on all sides, so that active-dynamic Sitting is guaranteed.
  • a seat part makes it possible the seated person, when tilted from the upright sitting position back to the starting position with relatively little body work to get back.
  • From DE-PS 48 348 is a rocking chair with a spherical curved foot part and one in relation to the foot part height-adjustable seat part known.
  • the invention has the particular advantage that through it a real seat device compared to the "Pezzi” gymnastic ball, the at least as good, if not even better physiological properties like the "Pezzi-Ball" having.
  • the seat device according to the present invention has a curved support surface like a gymnastic ball on. This is at least in one area a support point located on the support surface is spherical shaped.
  • the seat device is provided with a seat part, that is stored in a support point.
  • the support point is either below the center of curvature of the base area or is within a height range adjustable, the lower limit below the Center of curvature lies and its upper limit below of the center of curvature or substantially coincides with this.
  • the seated is thus Always in a stable equilibrium position even with larger tilt angles. Basically, when sitting on a ball an unstable equilibrium. Just by the shape change (flattening) of the air-filled ball the seat and the contact surface is in use and with small tilt angles a quasi-indifferent balance generated.
  • the seat part is tilted in the support point, an upright sitting position around the seated person at every angle to enable.
  • This can e.g. by one at that Connection element attached to the seat part, e.g. a rubber sheet, be made possible by a suitable support is supported, whereby the seat part on all sides is inclinable.
  • the seat part in addition be cushioned in the vertical direction.
  • the seat device 10 shown schematically in FIG. 1 contains a foot part 1, which has a curved support surface 1A has, so that the seat device 10 in balance a support point 1B of the support surface 1A on a flat Pad rests and can be tilted.
  • the seat device 10 also has a seat part 2, which by a column part 3 is supported in a point 3A.
  • the seat part 2 can spring in the vertical direction.
  • Support or support point 3A is a joint, e.g. a ball joint, which causes the seat part 2 is inclinable to the column part 3 on all sides.
  • a support can also be used a calotte, a tip or needle may be provided, such as will still be running.
  • the seat device according to the invention mitigated from the outset by the fact that the contact surface 1A at least in a partial area around the equilibrium support point 1B of the foot part 1 as part of a spherical surface is formed, the center of curvature 1C of the Sphere surface above the support or support point 3A of the seat part 2 is or essentially with this coincides.
  • the seat device can be designed so that the support point at a constant height H below the center of curvature the contact surface is located. But it can also as provided in Fig. 1, e.g. in the column part 3 a Height adjustment 3B, e.g.
  • the seat part 2 in the form of a gas pressure spring, be arranged through which the support point 3A and so that the seat part 2 is adjustable in a height range.
  • This height range has a lower limit, the in any case lies below the center of curvature.
  • the upper limit can either be below the center of curvature lie or essentially coincide with this.
  • Moved at the latter height setting then the seated person tilts at a constant height in the indifferent balance (like the hub of a rolling Rades) while looking at all other height settings is always in a stable equilibrium.
  • the seat is resistant to every movement of the seated person participates in the fact that there are no undesirable effects on the spine Coercive forces are exerted and that for the return movement in the normal position after tilting no footwork must become.
  • the height of the support point can be adjusted, for example by a gas pressure spring or a screw thread be realized or by a discontinuous Locking, in which tubes can be slid into each other and at certain relative positions by pins and holes can be locked (such as with crutches).
  • the seat can advantageously be tilted on all sides arranged so that they do not with lateral deflections becomes lopsided and thereby forces on the spine and Holding apparatus are exercised and in particular none below health-related undesirable curvature of the spine with corresponding incorrect loading becomes.
  • the inclination of the seat also allows the physiologically desired tilting of the pelvis forward (as with the "knee chair") also in the zero position. After all, it prevents the all-inclinable and therefore Horizontal seat that one can look at from the side Deflection of the chair constantly by footwork against one Slip off an oblique seat.
  • the suspension can be in their elasticity can be made adjustable to them individual requirements - such as body weight.
  • an elastic spring can also a rigid connecting element, e.g. a rigid rod, be provided.
  • the vertical suspension can then e.g. by an elastic foot part can be provided.
  • the seat device 1 is a practical embodiment of the seat device 1 and a possible type of edition shown schematically on support point 3A. It reference numerals were chosen in a corresponding manner.
  • the column part 3 is with provided a cap 5, in the highest point 3A the Seat part is supported.
  • the seat part 2 has one its lower area attached hard rubber plate 4, which in the support point 3A of the calotte 5 on all sides is tilted.
  • the hard rubber plate 4 takes over thus the function of a vertical suspension of the seat part.
  • a Point or needle bearings can be provided.
  • the 3 can also have a second hard rubber washer 6, which are provided below the hard rubber plate 4 is arranged in a ring around the column part 3, around which in Use of the seat device with a hard rubber plate loaded from above 4 to provide a resilient resistance from below.
  • This second suspension can vary depending on individual requirements - e.g. Body weight - can be adjusted, e.g. thereby that it is adjustable in height on the column part 3, as in the Fig. 2 is indicated schematically by the screw thread.
  • the column part 3 is moved by the tilt angle inclined and at the same angle tilts in reverse Direction the hard rubber plate 4 with the seat part 2 around the support point 3A of the calotte 5. In the result remains So the seat part 2 due to its opposite tilt relative position in relation to support point 3A.
  • the The elasticity of the hard rubber plate 4 ensures that vertical suspension of the seat device.
  • the setting of the Seat height can be adjusted relatively easily by varying the thickness of the Hard rubber plate 4 take place.
  • FIG. 1 shows one Support surface 1A, in its entirety as a spherical surface is trained. Instead, one can Support surface can be provided, which is only in a central Partial area around the equilibrium support point 1B is formed, but outside of this range one of the spherical surface has a different shape. This can be done in can be used advantageously to the invention Secure the seat device against tipping over.
  • a radially outer area is to this Purpose shaped in such a way that at large angles of tilt a resetting moment is generated, for example by in this area the radius of curvature steadily outwards increases, e.g. like a parabola or hyperbola.
  • a appropriately designed tilt-proof embodiment of the present invention is particularly for children or Disabled beneficial.
  • the seat 2B have a convex shape, to free movement, especially for the To ensure thighs and thus the whole To activate leg muscles when sitting.
  • the support point 3A eccentrically so far back that when sitting tipping the pelvis forward is forced.
  • the tiltability of the seat part 2 through the support in the Support point 3A can also be used as an elastic joint suspension be carried out with a restoring force. In this The case becomes out of equilibrium which is indifferent without restoring force an overall stable balance.
  • Column and foot section can also be used as a single, design Unit, such as a cone or Cylinder with (at least partially) spherical base.
  • design Unit such as a cone or Cylinder with (at least partially) spherical base.
  • the construction leaves designs in all Materials, i.e. in plastic, metal or wood or their Combinations too.
  • This has the further advantage of being significant higher resistance to destruction than the known air-filled gymnastics balls made of plastic like that "Pezzi Ball".
  • the foot part elastic be carried out, for example in the form of an inflatable, air-filled hollow body, which has an elastic membrane.
  • the seating device according to the invention is good physiological properties also as a work or office chair usable. It is particularly adjustable due to its height can be used universally for all body sizes. Thanks to its safety against tipping over, the application is ideal Children or disabled.
  • a seat device contains a support part 11, a curved bearing surface 11A at its upper end has, so for example as a dome with a central flattened spherical surface is formed.
  • a seat part is in its lower part with a plate 12A made of rubber or another elastic material that is firmly connected in contains a through hole in a central area.
  • the Through hole is ring-shaped through the inside Metal or plastic reinforcement 12B formed in cross section Is U-shaped. Instead of a U shape, one could L-shape or a simple socket can be selected.
  • the reinforcement is firmly connected to the elastic plate.
  • the through hole serves the defined fastening of the elastic plate to the support part by a screw 12C.
  • the screw 12C can through a through hole in the top surface of the support part inserted and on the inside of the top surface with a Screw nut are attached. The attachment can naturally also take place in another suitable way.
  • annular, rubber-reinforced limiter 13 attached around the support part there is an annular, rubber-reinforced limiter 13 attached.
  • This consists of an annular carrier 13A and one therein formed recess for receiving a ring 13B made of rubber or another elastic material.
  • adjusting ring around the support part 14 attached, which in the preferred embodiment with the Support part is in screw connection and accordingly has a thread on its inside, which in a corresponding Thread engages on the outside of the support part.
  • the limiter supported by the collar is thus height adjustable by turning the adjusting ring.
  • the limiter is cylindrically symmetrical to the axis of the support part is shaped, it can be inexpensive also be made in one piece with the adjusting ring.
  • the limiter and the collar separate components, so that the limiter does not turn when the height is adjusted and therefore also non-cylindrical symmetry to the axis can be shaped.
  • This can be done in an advantageous manner be used in different directions of the seat device different elasticity and limitation of deflection to be provided in case of tilting.
  • the elastic Ring varies in shape and thickness along its circumference executed, e.g. back higher than front to to achieve a greater elastic limitation at the rear than at the front. It can also run along a certain circumferential section be wedge-shaped. It can also be longitudinal oval and be positioned eccentrically to the center of the column part.
  • the carrier 3A can also be non-cylindrical symmetrical be shaped.
  • the height adjustment can be done instead by a screw thread also by using a discontinuous adjustment of bolts and holes made on the support part become.
  • the seat part storage according to the invention enables tilting with an elastic restoring force and offers through the limiter sufficient tipping safety and also a Adaptation to different body weights and individual Convenience. It is thus inexpensive to manufacture and universally applicable to any type of seat device.
  • the joint according to the invention (or: the seat part storage) is in particular characterized in that the collar 14 a Has thread on its inside, which in a corresponding Thread engages on the outside of the support part and the height of the limiter can be adjusted by rotating it is, and / or that the limiter and the collar separate Components or coherent are formed.
  • the joint according to the invention is also particularly characterized characterized in that the ring 13B and / or the carrier 13A are not are cylindrical, in particular oval or an enlarged thickness in part of its circumference, or Width.
  • the elastic material of the Plate 12 and / or ring 13B made of rubber.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Seats For Vehicles (AREA)
  • Cyclones (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (14)

  1. Siège actif-dynamique (10) comportant un pied (1) qui présente une surface de base (1A) courbe, à concavité tournée vers le haut, pour permettre un mouvement de basculement, cette surface de base (1A) courbe reposant directement sur le sol et présentant une courbure sphérique dans au moins une zone partielle, et une assise (2) montée en un point d'appui (3A), caractérisé en ce que l'assise (2) est montée, en son point d'appui (3A), de manière à pouvoir s'incliner de tout côté et le point d'appui (3A) est soit situé en dessous du centre de courbure de la surface de base (1A) soit réglable à l'intérieur d'une plage de hauteur dont la limite inférieure est située en dessous du centre de courbure et dont la limite supérieure est située en dessous du centre de courbure ou coïncide sensiblement avec celui-ci.
  2. Siège actif-dynamique suivant la revendication 1 caractérisé en ce que sur l'assise est monté un élément de liaison (4) qui prend appui sur un support (5).
  3. Siège actif-dynamique suivant la revendication 2 caractérisé en ce que l'élément de liaison (4) est constitué par un élément élastique formant ressort ou flexible, tel que par exemple une plaque de caoutchouc.
  4. Siège actif-dynamique suivant la revendication 3 caractérisé en ce que le support (5) est un appui courbe à concavité tournée vers le bas, tel qu'une pointe, une aiguille ou une calotte en particulier, le point le plus haut de l'appui étant le point d'appui (3A).
  5. Siège actif-dynamique suivant la revendication 3 caractérisé en ce que l'élément de liaison est un élément élastique formant ressort à élasticité réglable.
  6. Siège actif-dynamique suivant la revendication 2 caractérisé en ce que l'élément de liaison (4) est un élément rigide.
  7. Siège actif-dynamique suivant l'une ou plusieurs des revendications précédentes caractérisé en ce que le réglage de la hauteur du point d'appui est assuré par un ressort à gaz sous pression, un filetage de vis ou d'autres dispositifs d'arrêt mécaniques appropriés.
  8. Siège actif-dynamique suivant l'une ou plusieurs des revendications précédentes caractérisé en ce que le rayon de courbure de la surface de base (1A) va en augmentant vers l'extérieur.
  9. Siège actif-dynamique suivant l'une des revendications précédentes caractérisé en ce que le pied (1) qui comprend la surface de base (1A), est relié à une colonne (3) qui comprend le point d'appui (3A).
  10. Siège actif-dynamique suivant la revendication 9 caractérisé en ce que le pied (1) et la colonne (3) forment une seule pièce et/ou le pied (1) forme un ressort.
  11. Siège actif-dynamique suivant l'une des revendications 1 à 10 caractérisé en ce que sur l'assise (2) est montée une articulation qui comporte un appui (11) avec une surface d'appui supérieure (11A) à concavité tournée vers le bas et une plaque (12A), en matière élastique, reliée à l'assise (2) et fixée sur la surface d'appui de manière à pouvoir s'incliner de tout côté et en ce qu'il est prévu un limiteur de déplacement (13) pour la plaque (12A), ce limiteur ayant une forme annulaire et entourant l'appui.
  12. Siège actif-dynamique suivant la revendication 11 caractérisé en ce que le limiteur de déplacement comprend un anneau (13B) en matière élastique, lequel est fixé à un support annulaire (13A).
  13. Siège actif-dynamique suivant l'une des revendications 11 ou 12 caractérisé en ce qu'il comprend, en dessous du limiteur de déplacement (13) et autour de l'appui, un anneau réglable en hauteur (14).
  14. Siège actif-dynamique suivant l'une des revendications 11 à 13 caractérisé en ce que la plaque élastique présente un trou traversant central, délimité par une garniture annulaire (12B) en métal ou matière plastique, pour assurer la fixation de la plaque sur l'appui au moyen d'une vis (12C).
EP96114568A 1995-09-11 1996-09-11 Siège dynamico-actif Expired - Lifetime EP0761136B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00102876A EP1005812B1 (fr) 1995-09-11 1996-09-11 Siège dynamico-actif

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19533558A DE19533558C1 (de) 1995-09-11 1995-09-11 Aktiv-dynamische Sitzvorrichtung
DE19533558 1995-09-11
DE29516794U 1995-10-24
DE29516794U DE29516794U1 (de) 1995-09-11 1995-10-24 Gelenk für ein allseitig elastisch neigbares Sitzteil einer Sitzvorrichtung

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP00102876A Division EP1005812B1 (fr) 1995-09-11 1996-09-11 Siège dynamico-actif
EP00102876.0 Division-Into 2000-02-11

Publications (2)

Publication Number Publication Date
EP0761136A1 EP0761136A1 (fr) 1997-03-12
EP0761136B1 true EP0761136B1 (fr) 2000-11-29

Family

ID=26018465

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00102876A Expired - Lifetime EP1005812B1 (fr) 1995-09-11 1996-09-11 Siège dynamico-actif
EP96114568A Expired - Lifetime EP0761136B1 (fr) 1995-09-11 1996-09-11 Siège dynamico-actif

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00102876A Expired - Lifetime EP1005812B1 (fr) 1995-09-11 1996-09-11 Siège dynamico-actif

Country Status (4)

Country Link
EP (2) EP1005812B1 (fr)
AT (1) ATE197756T1 (fr)
DE (4) DE19533558C1 (fr)
ES (1) ES2153926T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010046447A1 (fr) 2008-10-22 2010-04-29 Tepe-Walser, Silvia Pièces intermédiaires de montage à souplesse élastique pour sièges pivotants

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29522051U1 (de) * 1995-12-21 1999-07-01 Fitz Wolfgang Dr Sitzelement
DE19654500C1 (de) * 1996-12-18 1998-03-12 Ulrich Dipl Ing Huber Anpaßbarer Rahmenträger mit dreiachsiger Bewegunsfreiheit für Liege- und Sitzmöbel
DE29705296U1 (de) * 1997-03-24 1997-05-22 Meyer Stephan Separate Sitzauflage für Sitzmöbel
DE19753465C2 (de) 1997-12-02 2003-08-07 Walter Frese Aktiv-dynamische, selbstrückstellende Sitzvorrichtung
DE29908599U1 (de) * 1999-05-14 1999-08-05 Loeffler Buerositzmoebel Gmbh Sitzteillagerung mit Synchronmechanik
EP1092372A1 (fr) * 1999-10-14 2001-04-18 Gerhard Schwiewagner Siège basculant
DE102004002231B3 (de) * 2004-01-07 2005-04-14 Gunter Kubatsch Dynamische Sitzvorrichtung
DE102006036816B4 (de) * 2006-08-07 2010-07-22 Schnitger, Fritz, Dr. Sitzgelenk für einen verschwenkbaren Sitz und Sitzvorrichtung mit einem derartigen Sitzgelenk
DE102007025799A1 (de) * 2007-06-02 2008-12-04 Eberhard Lenz Aktivdynamische Sitzvorrichtung
HU3416U (en) * 2007-10-15 2008-05-28 Istvan Zakarias Multifunction seat
DE102008032239A1 (de) * 2008-05-21 2009-11-26 GfP (Gesellschaft für Produktivitätsplanung und Produktentwicklung) mbH Sitzvorrichtung
GB0919552D0 (en) * 2009-11-07 2009-12-23 Bland Luke W Training equipment for starting to learn horse riding
DE202010006149U1 (de) 2010-04-28 2010-07-29 Frese, Walter Sitzgelenk für einen verschwenkbaren Sitz
DE202011101005U1 (de) 2011-05-20 2011-07-27 Peter Frühauf Sitzvorrichtung, insbesondere Hocker, mit beweglicher Sitzfläche
CN103767374A (zh) * 2012-10-22 2014-05-07 戴永锋 限幅多向转动摆摇椅
FR3004957A1 (fr) 2013-04-25 2014-10-31 Olivier Hugou Dispositif de siege de gymnastique passive, permettant des exercices musculaire en position assise
DK3145367T3 (en) * 2014-05-23 2018-12-10 Ergospace As TURNING PLATFORM
SI24945A (sl) * 2015-03-17 2016-09-30 Elementis D.O.O. Aktivni stol
EP3367844B1 (fr) 2015-10-26 2020-07-01 Active Base Procédé d'aide à l'utilisation d'un dispositif d'assise, objet électronique mettant en oeuvre ledit procédé et système associés
US10543390B2 (en) 2015-10-26 2020-01-28 Active Base Method to assist with using a seating device, and electronic object carrying out said associated method and system
US10772428B2 (en) 2017-03-27 2020-09-15 Virco Mfg. Corporation Therapy stool having an adjustable height and a tiltable seat
DE202022107023U1 (de) 2022-12-15 2023-02-13 Alfons Venjakob Gmbh & Co. Kg Wippbeschlag zur beweglichen Anordnung eines Sitzteils an einem Gestell eines Stuhls

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE48348C (de) * M. NEUERBURG in Köln a. Rh., Allerheiligenstr. 9 Schaukelstuhl
DE2944674A1 (de) * 1979-11-06 1981-05-14 Helmut 1000 Berlin Karl Arbeitsschaukelstuhl
FR2642284B1 (fr) * 1989-01-27 1991-05-10 Grasset Michel Siege ergonomique reglable permettant de s'asseoir en appui sur les genoux
DE4424932C2 (de) * 1994-07-14 1996-08-29 Walter Frese Aktiv-dynamische Sitzvorrichtung
DE29504326U1 (de) * 1995-03-17 1995-06-08 Arnold Edwin Vorrichtung zur Stehentlastung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010046447A1 (fr) 2008-10-22 2010-04-29 Tepe-Walser, Silvia Pièces intermédiaires de montage à souplesse élastique pour sièges pivotants

Also Published As

Publication number Publication date
ES2153926T3 (es) 2001-03-16
DE59606162D1 (de) 2001-01-04
DE59610429D1 (de) 2003-06-12
EP1005812B1 (fr) 2003-05-07
DE29516794U1 (de) 1995-12-07
DE19533558C1 (de) 1996-11-07
EP1005812A3 (fr) 2000-06-14
EP0761136A1 (fr) 1997-03-12
EP1005812A2 (fr) 2000-06-07
ATE197756T1 (de) 2000-12-15

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