EP0761136A1 - Siège dynamico-actif - Google Patents

Siège dynamico-actif Download PDF

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Publication number
EP0761136A1
EP0761136A1 EP96114568A EP96114568A EP0761136A1 EP 0761136 A1 EP0761136 A1 EP 0761136A1 EP 96114568 A EP96114568 A EP 96114568A EP 96114568 A EP96114568 A EP 96114568A EP 0761136 A1 EP0761136 A1 EP 0761136A1
Authority
EP
European Patent Office
Prior art keywords
support
seat
active
point
dynamic
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
EP96114568A
Other languages
German (de)
English (en)
Other versions
EP0761136B1 (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 and a joint (or: seat part storage) for a seat part of a seat device that can be tilted elastically on all sides.
  • a seat part which is mounted so that it can be tilted to all sides with an elastic restoring force, so that active, dynamic sitting is ensured.
  • Such a seat part enables the seated person to return to the starting position when tilting from the upright sitting position with relatively little body work.
  • the invention has the particular advantage that, compared to the "Pezzi” gymnastics ball, it has a genuine seating device that has at least as good, if not better, seat physiological properties as the "Pezzi Ball".
  • the seat device according to the present invention has, like a gymnastics ball, a curved support surface. This is spherically shaped at least in a partial area around a support point located on the support surface.
  • 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 or is adjustable within a height range, the lower limit of which is below the center of curvature and the upper limit of which is below or essentially coincides with the center of curvature.
  • the seated person is therefore always in a stable equilibrium position even at larger tilt angles.
  • When sitting on a ball there is always an unstable equilibrium. It is only through the change in shape (flattening) of the air-filled ball on the seat and the support surface that a quasi-indifferent balance is created in use and at small tilt angles.
  • the seat part is tiltably mounted in the support point in order to enable the seated person to sit upright at every tilt angle.
  • This can e.g. by a connecting element attached to the seat part, e.g. a rubber plate, which is supported by a suitable support, whereby the seat part can be tilted to all sides.
  • the seat part can additionally be cushioned in the vertical direction for physiological reasons.
  • the seat device 10 shown schematically in FIG. 1 contains a foot part 1 which has a curved support surface 1A, so that the seat device 10 rests in equilibrium in a support point 1B of the support surface 1A on a flat surface and can be tilted.
  • the seat device 10 also has a seat part 2, which is supported by a column part 3 at a point 3A.
  • the seat part 2 can spring in the vertical direction.
  • a joint for example a ball joint, which causes the seat part 2 to be tiltable in all directions with respect to the column part 3.
  • a support can also be provided on a calotte, a tip or a needle, as will be explained below.
  • the support surface 1A is formed as part of a spherical surface at least in a partial area around the equilibrium support point 1B of the foot part 1, the center of curvature 1C being the Ball surface is above the support or support point 3A of the seat part 2 or essentially coincides with this.
  • the seat device can be designed such that the support point is at a constant height H below the center of curvature of the support surface.
  • a height adjustment 3B for example in the form of a gas pressure spring, can be arranged in the column part 3, by means of which the support point 3A and thus the seat part 2 can be adjusted in a height range.
  • This height range has a lower limit, which is in any case below the center of curvature.
  • the upper limit can either be below the center of curvature or essentially coincide with it.
  • the height of the support point can be adjusted, for example, by means of a gas pressure spring or a screw thread, or by a discontinuous locking device, in which tubes can be pushed into one another and can be locked in certain relative positions by means of pins and holes (such as with crutches, for example).
  • the seat is advantageously arranged so that it can be tilted on all sides so that it does not become skewed in the event of lateral deflections and consequently exerted forces on the spine and holding device and, in particular, no lateral curvature of the spine, which is undesirable from a health point of view, with corresponding incorrect loading.
  • the inclinability of the seat also allows the pelvis to be tilted forward (as with the "knee chair"), even in the zero position.
  • the seat which can be tilted to all sides and therefore remains horizontal, prevents you from having to constantly resist foot slipping from an oblique seat surface when the chair is deflected sideways.
  • a rigid connecting element e.g. a rigid rod may be provided.
  • the vertical suspension can then e.g. be provided by an elastic foot part.
  • a practical embodiment of the seat device according to Fig. 1 and a possible type of support on the support point 3A is shown schematically. Reference symbols were chosen in a corresponding manner.
  • the column part 3 is provided with a cap 5, in the highest point 3A of which Seat part is supported.
  • the seat part 2 has a hard rubber plate 4 fastened to its lower region, which is mounted in the support point 3A of the calotte 5 so that it can be tilted on all sides.
  • the hard rubber plate 4 thus takes over the function of a vertical suspension of the seat part.
  • a point or needle bearing can also be provided.
  • a second hard rubber disk 6 can also be additionally provided, which is arranged below the hard rubber plate 4 in a ring around the column part 3 in order to oppose the resilient resistance from below when the seat device is loaded from above.
  • This second suspension can, depending on the individual requirements - e.g. Body weight - can be adjusted, e.g. in that it is adjustable in height on the column part 3, as indicated schematically in FIG. 2 by the screw thread.
  • the column part 3 is tilted by the tilt angle and the hard rubber plate 4 with the seat part 2 tilts in the opposite direction around the support point 3A of the calotte 5 in the opposite direction.
  • the seat part 2 retains its relative position due to its counter-tilting with regard to support point 3A.
  • the elasticity of the hard rubber plate 4 thus ensures the vertical suspension of the seat device.
  • the seat height can be adjusted relatively easily by varying the thickness of the hard rubber plate 4.
  • FIG. 1 shows a support surface 1A, which is designed as a spherical surface in its entirety. Instead, however, a support surface can also be provided, which is spherical only in a central partial area around the equilibrium support point 1B, but outside of this area has a shape deviating from the spherical surface. This can be used in an advantageous manner to secure the seating device according to the invention against tipping over.
  • a radially outer area is shaped in such a way that a restoring torque is generated at large tilting angles, for example by the radius of curvature continuously increasing outwards in this area, e.g. like a parabola or hyperbola.
  • a correspondingly designed tilt-proof embodiment of the present invention is particularly advantageous for children or the disabled.
  • the seat surface 2B has a convex shape in order to ensure unimpeded freedom of movement, in particular for the thighs, and thus also to activate the entire leg muscles when sitting.
  • the support point 3A can be arranged eccentrically so far to the rear that the pelvis is forced to tilt forward when sitting.
  • the inclination of the seat part 2 by the support in the support point 3A can also be designed as an elastic joint suspension with a restoring force.
  • the balance which is indifferent without restoring force, becomes an overall stable balance.
  • the column and foot part can also be designed as a single, design unit, for example as a cone or cylinder with an (at least partially) spherical base.
  • the construction permits designs in all materials, i.e. in plastic, metal or wood or their combinations. This has the further advantage of being considerably more resistant to destruction than the known air-filled gymnastics balls made of plastic such as the "Pezzi-Ball".
  • the foot part of the seating device according to the invention can also be elastic, for example in the form of an inflatable, air-filled hollow body which has an elastic membrane.
  • a vertical suspension would then be generated by the foot part.
  • the seating device according to the invention can also be used as a work or office chair. Thanks to its height adjustment, it can be used universally for all body sizes. Due to their safety against tipping, they can be used by children or the disabled.
  • a seat device contains a support part 11 which has a curved support surface 11A at its upper end, that is to say, for example, it is designed as a spherical cap with a centrally flattened spherical surface.
  • a seat part is fixedly connected in its lower region to a plate 12A made of rubber or another elastic material, which contains a through hole in a central region.
  • the through hole is formed by the interior of an annular metal or plastic reinforcement 12B, which is U-shaped in cross section. Instead of a U shape, an L shape or a simple socket could also be selected.
  • the reinforcement is firmly connected to the elastic plate.
  • the through hole serves for the defined fastening of the elastic plate to the support part by means of a screw 12C.
  • the screw 12C can be inserted through a through hole in the top surface of the support part and fastened on the inside of the top surface with a screw nut.
  • the attachment can of course also be carried out in another suitable manner.
  • An annular, rubber-reinforced limiter 13 is attached to the support part at a short distance therefrom. This consists of an annular carrier 13A and a recess formed therein for receiving a ring 13B made of rubber or another elastic material.
  • an adjusting ring 14 is attached around the support part, which in the preferred embodiment is in screw connection with the support part and accordingly has a thread on its inside, which engages in a corresponding thread on the outside of the support part.
  • the limiter supported by the adjusting ring can thus be adjusted in height by turning the adjusting ring.
  • the limiter is shaped cylindrically symmetrically to the axis of the support part, it can also be made in one piece with the adjusting ring in a cost-effective manner.
  • the limiter and the adjusting ring are separate components, so that the limiter does not rotate when the height is adjusted and can therefore also be non-cylindrically symmetrical to the axis.
  • This can advantageously be used to provide a different elasticity and deflection limitation when tilted in different directions of the seat device.
  • the elastic ring can have different shapes and thicknesses along its circumference, e.g. be higher at the back than at the front in order to achieve a greater elastic limitation at the rear than at the front. It can also be wedge-shaped along a certain circumferential section. It can also be longitudinally oval and positioned eccentrically to the center of the column part.
  • the carrier 3A can also be shaped non-cylindrically symmetrically.
  • the height adjustment can also be made possible by a discontinuous adjustment using bolts and holes made on the support part instead of a screw thread.
  • the seat part storage according to the invention enables tilting with an elastic restoring force and offers sufficient tipping safety due to the limiter and also an adaptation to different body weights and individual Convenience. It is therefore inexpensive to manufacture and can be used universally with any type of seating device.
  • the joint according to the invention (or: the seat part bearing) is characterized in particular in that the adjusting ring 14 has a thread on its inside which engages in a corresponding thread on the outside of the support part and by the rotation of which the limiter is adjustable in height, and / or in that the Limiter and the collar are separate components or coherent.
  • the joint according to the invention is furthermore particularly characterized in that the ring 13B and / or the carrier 13A are not cylindrically symmetrical, in particular are oval or have an enlarged thickness or width in part of their circumference.
  • the elastic material of the plate 12 and / or the ring 13B can be made of rubber.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Seats For Vehicles (AREA)
  • Cyclones (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
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
DE19533558 1995-09-11
DE19533558A DE19533558C1 (de) 1995-09-11 1995-09-11 Aktiv-dynamische Sitzvorrichtung
DE29516794U DE29516794U1 (de) 1995-09-11 1995-10-24 Gelenk für ein allseitig elastisch neigbares Sitzteil einer Sitzvorrichtung
DE29516794U 1995-10-24

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 true EP0761136A1 (fr) 1997-03-12
EP0761136B1 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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009050525A1 (fr) * 2007-10-15 2009-04-23 Zakarias Istvan Siège polyvalent
GB2477579A (en) * 2009-11-07 2011-08-10 Luke William Bland Training equipment for horse riding
CN103767374A (zh) * 2012-10-22 2014-05-07 戴永锋 限幅多向转动摆摇椅
US9439513B2 (en) 2008-10-22 2016-09-13 Inventor Group Gmbh Spring-soft intermediate mounting piece for swivel chairs
WO2016148658A1 (fr) * 2015-03-17 2016-09-22 Elementis D.O.O. Chaise active
JP2017519609A (ja) * 2014-05-23 2017-07-20 クリスチヤン メングシヨエル ハンス 活性化プラットホーム
US10772428B2 (en) 2017-03-27 2020-09-15 Virco Mfg. Corporation Therapy stool having an adjustable height and a tiltable seat

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19547964A1 (de) * 1995-12-21 1997-06-26 Wolfgang Dr Fitz 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
DE202007018878U1 (de) * 2007-06-02 2010-04-15 Lenz, Eberhard Aktivdynamische Sitzvorrichtung
DE102008032239A1 (de) * 2008-05-21 2009-11-26 GfP (Gesellschaft für Produktivitätsplanung und Produktentwicklung) mbH Sitzvorrichtung
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
FR3004957A1 (fr) 2013-04-25 2014-10-31 Olivier Hugou Dispositif de siege de gymnastique passive, permettant des exercices musculaire en position assise
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
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
DE202022107023U1 (de) 2022-12-15 2023-02-13 Alfons Venjakob Gmbh & Co. Kg Wippbeschlag zur beweglichen Anordnung eines Sitzteils an einem Gestell eines Stuhls

Citations (4)

* 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
WO1990008490A1 (fr) * 1989-01-27 1990-08-09 Michel Grasset Siege ergonomique reglable
DE4424932A1 (de) * 1994-07-14 1996-01-18 Walter Frese Aktiv-dynamische Sitzvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29504326U1 (de) * 1995-03-17 1995-06-08 Arnold Edwin Vorrichtung zur Stehentlastung

Patent Citations (4)

* 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
WO1990008490A1 (fr) * 1989-01-27 1990-08-09 Michel Grasset Siege ergonomique reglable
DE4424932A1 (de) * 1994-07-14 1996-01-18 Walter Frese Aktiv-dynamische Sitzvorrichtung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009050525A1 (fr) * 2007-10-15 2009-04-23 Zakarias Istvan Siège polyvalent
US9439513B2 (en) 2008-10-22 2016-09-13 Inventor Group Gmbh Spring-soft intermediate mounting piece for swivel chairs
GB2477579A (en) * 2009-11-07 2011-08-10 Luke William Bland Training equipment for horse riding
GB2477579B (en) * 2009-11-07 2012-02-08 Luke William Bland Apparatus to physically train riders and for practicing horse riding techniques
CN103767374A (zh) * 2012-10-22 2014-05-07 戴永锋 限幅多向转动摆摇椅
JP2017519609A (ja) * 2014-05-23 2017-07-20 クリスチヤン メングシヨエル ハンス 活性化プラットホーム
WO2016148658A1 (fr) * 2015-03-17 2016-09-22 Elementis D.O.O. Chaise active
US10772428B2 (en) 2017-03-27 2020-09-15 Virco Mfg. Corporation Therapy stool having an adjustable height and a tiltable seat

Also Published As

Publication number Publication date
EP0761136B1 (fr) 2000-11-29
DE29516794U1 (de) 1995-12-07
ATE197756T1 (de) 2000-12-15
EP1005812B1 (fr) 2003-05-07
DE59606162D1 (de) 2001-01-04
EP1005812A3 (fr) 2000-06-14
DE59610429D1 (de) 2003-06-12
EP1005812A2 (fr) 2000-06-07
DE19533558C1 (de) 1996-11-07
ES2153926T3 (es) 2001-03-16

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