EP2892392B1 - Gleichgewichtsstuhl - Google Patents

Gleichgewichtsstuhl Download PDF

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Publication number
EP2892392B1
EP2892392B1 EP13835894.0A EP13835894A EP2892392B1 EP 2892392 B1 EP2892392 B1 EP 2892392B1 EP 13835894 A EP13835894 A EP 13835894A EP 2892392 B1 EP2892392 B1 EP 2892392B1
Authority
EP
European Patent Office
Prior art keywords
chair
lower portion
accordance
rounded
rounded lower
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
EP13835894.0A
Other languages
English (en)
French (fr)
Other versions
EP2892392A1 (de
EP2892392A4 (de
Inventor
Frode Skretting
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.)
Rodeo Holding AS
Original Assignee
Rodeo Holding AS
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 Rodeo Holding AS filed Critical Rodeo Holding AS
Publication of EP2892392A1 publication Critical patent/EP2892392A1/de
Publication of EP2892392A4 publication Critical patent/EP2892392A4/de
Application granted granted Critical
Publication of EP2892392B1 publication Critical patent/EP2892392B1/de
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
    • A47C3/029—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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C16/00—Stand-alone rests or supports for feet, legs, arms, back or head
    • A47C16/02—Footstools; Foot-rests; Leg-rests
    • A47C16/025—Footstools; Foot-rests; Leg-rests adjustable, swivelling, rocking
    • 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
    • A47C9/02—Office stools not provided for in main groups A47C1/00, A47C3/00 or A47C7/00; Workshop stools
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
    • A63G13/00—Cradle swings; Rocking-horses; Like devices resting on the ground
    • A63G13/06—Rocking-horses
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
    • A63G15/00—Rocking horses on runners adapted for progressive movement

Definitions

  • the invention relates to a chair for training back and pelvic musculature. More particularly, the invention relates to a chair which is rounded in its contact portion against the supporting surface. The user of the chair must continuously activate the musculature of the body to maintain a sitting position on the chair.
  • the spherical shape also gives an impractically wide chair so that it bumps against table legs when the user is working at a table. It is also impractical for two persons to sit next to each other on separate balls at a table because of the space that the balls take up. This makes it Impractical to sit on a ball for a longer time when the user Is working at a table.
  • a chair which is suitable for use in a classroom, for example, so that children can strengthen their back musculature when they are at school.
  • a spherically shaped chair may be rolled around and this may create unnecessary disturbance of the teaching.
  • a classroom may also be cramped, and there is a need for room for keeping bags or rucksacks and also shoes.
  • bags, rucksacks and shoes can be placed on the floor under the chair between the legs of the chair.
  • the patent document US 2007/0138850 discloses a chair provided with a base formed with a spherical contact surface against the supporting surface.
  • the seat of the chair is connected to the base via a centred, elongated, straight connecting element.
  • the weight of the base may be greater than the overall weight of the seat and the connecting element.
  • the chair is therefore self-righting when not in use.
  • the connecting element may be provided with means for adjusting the height of the seat.
  • the base is not arranged for storing objects as these would fall off the base as the chair is tilted.
  • the patent document EP 0761136 discloses a similar chair with a centred, elongated, straight connecting element. This one is not arranged for storing objects on the base, either, as they would fall off the base as the chair is tilted.
  • the patent document GB 22823331 discloses a child seat with a lower part provided with a spherically shaped contact surface against the supporting surface. From the lower part of the child seat, along the outer edge thereof, three straight and relatively narrow supports project upwards, holding a ring. The seat proper is attached to the ring, and the child's legs will be positioned over the lower part and within the outer edge of the lower part.
  • the child seat will function in the same way as a rocking chair when the child bends its upper body alternately forwards and backwards or to the sides. This gives little or no training effect for the back musculature.
  • the child seat is not fit for storing objects within the chair as they will get in the way for the child's legs.
  • the patent document US 2,049,539 discloses a combined stool and basket particularly suited for gardening.
  • the base of the stool includes a flat middle portion and a convex side portion so that the base of the stool forms a shallow tray or basket.
  • the base further includes a downward outer edge to prevent the chair from being slanted or tilted too much to one side.
  • the seat is attached to the side portion of the base with elongated, straight and relatively narrow connecting elements.
  • the stool is suitable for smaller objects to be placed flat on the concave upper side of the base. Such objects may be smaller garden implements, flowers and weeds, for example.
  • the stool is not arranged for allowing larger objects, such as a bag, to be stored.
  • DE202011101503 U1 also shows a chair of this kind with a rounded lower portion.
  • the invention has for its object to remedy or reduce at least one of the drawbacks of the prior art, or at least provide a useful alternative to the prior art.
  • a chair as claimed in claim 1 It includes a rounded lower portion, the convex side of the rounded lower portion being arranged to rest on a supporting surface, and a seat portion; the chair is provided with a rigid supporting element between the rounded lower portion and the seat portion; and
  • the width of the chair in the position of application is smaller than the height of the chair and the depth of the chair.
  • the width of the supporting elements is smaller than the width of the seat portion.
  • the seat portion may include a rounded portion, the convex side of the rounded portion facing upwards.
  • the seat portion may include a spherical portion.
  • the chair may be provided with an internal space defined by the internal surface of the outward-curving arms and the concave upper side of the rounded lower portion.
  • the internal surface of the outward-curving arms may have a concave shape.
  • Each of the outward-curving arms may be split into an upper supporting arm and a lower supporting arm, so that the chair includes a lower part and an upper part.
  • the chair may further be provided with at least two extension pieces for insertion between the upper supporting arms and the lower supporting arms, so that the height of the chair can be changed.
  • the chair may further be provided with an elastic band around the circumference of the chair, the band being arranged to hold the upper part and the lower part of the chair together.
  • the band may be arranged to give the convex bottom side of the rounded lower portion a sound-deadening surface against the supporting surface.
  • the rounded lower portion of the chair may be provided with a weighting means to increase the stability of the chair.
  • the weighting means of the chair may consist of a material thickening in the wall of the rounded lower portion.
  • the weighting means of the chair may consist of a weight.
  • the width of the seat portion may be smaller than the width of the rounded lower portion.
  • Positional indications such as “lower” and “upwards” refer to the position shown in the figures, and the words are used in accordance with their normal meaning.
  • the reference numeral 1 indicates a chair in accordance with the invention. As the chair is without a back, it may also be termed a stool. In what follows, the invention will be termed a chair 1.
  • the chair 1 is provided with a rounded lower portion 2 and an upper seat portion 3.
  • Two outward-curving supporting elements 4 extend between the rounded lower portion 2 and the upper seat portion 3.
  • Each outward-curving supporting element 4 is formed of at least one curved arm 42, 44.
  • the convex bottom side 2' of the rounded lower portion 2 rests on a supporting surface 9.
  • the outward-curving arms 42, 44 are fixed to the peripheral portion 20 of the rounded lower portion 2.
  • the convex bottom side 2' of the rounded lower portion has a spherical shape.
  • the seat portion 3 of the chair 1 is shown as a portion formed in a rounded shape with the convex side facing upwards.
  • the seat portion 3 of the chair 1 may be of a spherical shape.
  • the seat portion 3 may be flat (not shown).
  • the seat portion 3 may be saddle-shaped (not shown).
  • the outward-curving supporting elements 4 of the chair 1 are fixed to the peripheral portion 20 of the rounded lower portion 2 in a curved joint 49 without discrete edges, that is to say the joint 49 is rounded. It is thereby achieved that the user (not shown) of the chair 1 experiences a continuous, rolling movement when the chair 1 is moved forwards or backwards. By large deflections of the chair 1 in a forward movement or a backward movement, a lower portion of the supporting element 4 will be in contact with the supporting surface 9.
  • the outward-curving arms 42, 44 distribute a user's weight to the lower portion in a different manner from that of a centred connecting element. A centred connecting element would be an extension of the user's spine.
  • the chair 1 is shown as formed with a through hole 5.
  • the hole 5 has an axis 50 which is substantially horizontal, see figure 2 .
  • the chair 1 Is substantially ball-shaped, see for example the left-hand chair 1 in figure 1 , as the supporting arms 4 are curved outwards.
  • the width W of the chair 1 is smaller than the height H of the chair 1 as shown in figure 6 .
  • the depth D of the chair may be equal to or smaller than the height H of the chair 1. When the depth D is equal to the height H, the chair 1 will be approximately ball-shaped along a continuous outer jacket surface. This is shown the most clearly in the chair to the left in figure 1 .
  • the height H of the chair is the sitting height
  • the width W of the chair 1 will be the extent of the chair 1 in the user's hip width, that is to say in the extent of the user's coronal plane.
  • the depth D of the chair 1 will be the extent of the chair 1 in front of and behind the user, that is to say the extent in the user's sagittal plane or median plane.
  • the supporting element 4 tapers towards a middle portion so that the width W"' of the middle portion is smaller than the width W.
  • the chair 1 may be split into an upper part 10 and a lower part 12.
  • the arm 42, 44 is split into an upper supporting arm 41, 43 and a lower supporting arm 45, 57.
  • the lower supporting arm 45, 47 is fixed to the peripheral portion 20 of the rounded lower portion 2 in a curved joint 49 without discrete edges. By large deflections of the chair 1 in a forward movement or a backward movement, a lower portion of the lower supporting arm 45, 47 will be in contact with the supporting surface 9.
  • the upper part 10 and the lower part 12 of the chair 1 may be held together by an elastic band 6 surrounding the chair 1 along the continuous outer jacket surface of the chair 1.
  • the elastic band 6 also has the advantage of deadening noise when the chair 1 is used on a supporting surface 9 having a hard surface.
  • the chair 1 is shown assembled and surrounded by the band 6.
  • the chair 1 is shown with its main components.
  • the chair 1 may be split into an upper part 10 and a lower part 12, and an extension piece 7 has been inserted between the upper supporting arm 41, 43 and the lower supporting arm 45, 57. A possibility of adjusting the chair 1 to a user's sitting height is thereby achieved.
  • the height H of the chair 1 is larger than the depth D.
  • the extension piece 7 is positioned in the middle portion of the supporting element 4 and has a width W"'.
  • the supporting arms 41, 43, 45, 47 may be divided into two parts, the supporting arms 41, 41', 43, 43' 45, 45', 47, 47' respectively.
  • the chair 1 In its seat portion 3, the chair 1 may be provided with a pad 31 as shown in figures 4 and 5 .
  • the weight of the rounded lower portion 2 of the chair 1 can be increased by increasing the material thickness in the portion facing the supporting surface 9.
  • the rounded lower portion 2 may be provided with a weighting means 29 such as a weight, for example, see figures 7B-C . This has the advantage of the chair 1 returning to an upright position and remaining in an upright position when the chair 1 is not in use.
  • the weighting means 29 may be permanently or releasably fixed.
  • the width W' of the seat portion 3 may be smaller than the width W" of the rounded lower portion 2, see figure 6 .
  • the width W" will also be the width W of the chair 1.
  • the centre of gravity of the chair 1 is closer to the rounded lower portion 2 and the chair 1 will remain in its upright position when the chair 1 is not in use. It may be advantageous for the training effect when the chair 1 is being used that the rounded lower portion 2 does not have too large a mass relative to the seat portion 3 because the chair 1 will be slower in moving when the centre of gravity of the chair 1 is low.
  • the chair 1 is provided with an internal space 8.
  • the space 8 is defined by the concave upper side 2" of the rounded lower portion 2 and the internal surfaces 42", 44" of the outward-curving arms 42, 44.
  • the internal surfaces 42", 44" may have a concave shape.
  • the space 8 is defined by the Internal surfaces 45", 47" of the lower supporting arms 45, 47.
  • the internal surfaces 45", 47" may have a concave shape.
  • Objects such as a bag, sack or shoes (not shown), will be held in place within the space 8 even if the chair 1 is subjected to large deflections forwards, backwards or to the side, because the internal surfaces 2"; 42", 44'; 45", 47" provide sufficient support and contact surface for the object to rest against them.
  • the chair 1 is shown in an alternative embodiment in figures 7A-C .
  • the parts of the chair 1 are formed of a polymer material.
  • the upper part 10 and the lower part 12 of the chair 1 are held together by a locking piece 14 as shown in figure 7A .
  • the locking piece 14 is provided with locking dogs 16.
  • the locking piece 14 is positioned in a pocket 17 in the supporting arms 41, 43, 45, 47.
  • One wall 18 of the pocket 17 is provided with a cut-out 19.
  • the cut-out 19 may extend through the wall 18.
  • the locking piece 14 may be moved into a pocket 17 in the supporting arm 45, 47 until the locking dog 16 engages the cut-out 19.
  • the locking piece 14 projects above the pocket 17.
  • the upper part 10 is positioned in such a way that the pocket 17 in the supporting arm 41, 43 can be moved over the opposite end portion of the locking piece 14 until the locking dog 16 engages the cut-out 19 of the upper part 10.
  • the pad 31 of the chair 1 Is arranged to be attached in a recess 32 in the upper part 10.
  • the chair 1 In its rounded lower portion 2, on its convex bottom side 2', the chair 1 is provided with a silencer 61 or a friction coating 61.
  • the silencer 61 or the friction coating 61 is attached in a recess 63.
  • the recess 63 may also include a recess 63' arranged to accommodate the weight element 29.
  • the chair 1 may consist of a polymer material.
  • the chair 1 may be rotation-moulded or injection-moulded.
  • the chair 1 may also consist of wood, such as press-shaped veneer, or metal, such as aluminium.

Landscapes

  • Special Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Liquid Crystal (AREA)

Claims (12)

  1. Stuhl (1), aufweisend einen abgerundeten unteren Abschnitt (2), wobei die konvexe Seite (2') des abgerundeten unteren Abschnittes (2) angeordnet ist, um an einer Stützfläche (9) aufzuliegen, und einen Sitzabschnitt (3); wobei der Stuhl (1) zwischen dem abgerundeten unteren Bereich (2) und dem Sitzabschnitt (3) ein starres Stützelement (4) aufweist, wobei:
    - das Stützelement (4) des Stuhls (1) aus mindestens zwei nach aussen gebogenen Armen (42, 44) zwischen dem Umfangsabschnitt (20) des abgerundeten unteren Abschnittes (2) und dem Sitzabschnitt (3) gebildet ist;
    - die auswärts gebogenen Arme (42, 44) und der abgerundete untere Abschnitt (2) ein Kurvengelenk (49) bilden;
    dadurch gekennzeichnet, dass
    - der abgerundete untere Abschnitt (2) ein kugelförmiger unterer Abschnitt ist; und dass
    - das Stützelement (4) sich zu einem mittleren Abschnitt des Stuhls (1) hin verjüngt, sodass die Breite (W") des Stützelements im mittleren Abschnitt kleiner ist als eine Breite (W) des Sitzabschnittes (3).
  2. Stuhl (1) gemäss Anspruch 1, wobei, in der Nutzungsstellung, eine Breite (W) des Stuhls (1) kleiner ist als eine Höhe (H) des Stuhls (1) und eine Tiefe (D) des Stuhls (1).
  3. Stuhl (1) gemäss Anspruch 1, wobei der Sitzabschnitt (3) einen abgerundeten Abschnitt aufweist, wobei die konvexe Seite des abgerundeten Abschnittes nach oben hin gerichtet ist.
  4. Stuhl (1) gemäss Anspruch 1, wobei der Stuhl (1) einen inneren Raum (8) aufweist, welcher durch innere Flächen (42", 44", 47", 49") der nach aussen gebogenen Arme (42, 44; 47; 49) und die konkave obere Seite (2") des abgerundeten unteren Abschnitts (2) definiert ist.
  5. Stuhl (1) gemäss Anspruch 1, wobei jeder der nach aussen gebogenen Arme (42, 44) in einen oberen Stützarm (41, 43) und einen unteren Stützarm (45, 57) aufgeteilt sind, sodass der Stuhl (1) einen unteren Teil (12) und einen oberen Teil (10) aufweist.
  6. Stuhl (1) gemäss Anspruch 1, wobei der Stuhl (1) des Weiteren mindestens zwei Verlängerungsstücke (7) aufweist, zum Einführen zwischen den oberen Stützarmen (41, 43) und den unteren Stützarmen (45, 57), sodass die Höhe (H) des Stuhls (1) geändert werden kann.
  7. Stuhl (1) gemäss Anspruch 6, wobei der Stuhl (1) des Weiteren ein elastisches Band (6) um den Umfang des Stuhls (1) herum aufweist, und wobei das Band (6) angeordnet ist, um den oberen Teil (10) und den unteren Teil (12) des Stuhls (1) zusammenzuhalten.
  8. Stuhl (1) gemäss Anspruch 1, wobei der Stuhl (1) des Weiteren en elastisches Band (6) um den Umfang des Stuhls (1) herum aufweist, wobei das Band (6) angeordnet ist, um der konvexen unteren Seite (2') des abgerundeten unteren Abschnittes (2) eine schalldämpfende Fläche gegen die Stützfläche (9) zur Verfügung zu stellen.
  9. Stuhl (1) gemäss Anspruch 1, wobei der abgerundete untere Abschnitt (2) des Stuhls (1) ein Beschwerungsmittel zur Erhöhung der Stabilität des Stuhls (1) aufweist.
  10. Stuhl (1) gemäss Anspruch 9, wobei das Beschwerungsmittel des Stuhls (1) aus einer Materialverdickung in der Wand des abgerundeten unteren Abschnittes (2) besteht.
  11. Stuhl (1) gemäss Anspruch 9, wobei das Beschwerungsmittel des Stuhls aus einem Gewicht besteht.
  12. Stuhl (1) gemäss Anspruch 2, wobei die Breite (W) des Sitzabschnittes (3) kleiner ist als die Breite (W") des abgerundeten unteren Abschnittes (2).
EP13835894.0A 2012-09-10 2013-09-10 Gleichgewichtsstuhl Active EP2892392B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20121018 2012-09-10
NO20131194A NO344593B1 (no) 2012-09-10 2013-09-06 Balansestol
PCT/NO2013/050156 WO2014038958A1 (en) 2012-09-10 2013-09-10 Balance chair

Publications (3)

Publication Number Publication Date
EP2892392A1 EP2892392A1 (de) 2015-07-15
EP2892392A4 EP2892392A4 (de) 2016-04-27
EP2892392B1 true EP2892392B1 (de) 2021-01-27

Family

ID=50237444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13835894.0A Active EP2892392B1 (de) 2012-09-10 2013-09-10 Gleichgewichtsstuhl

Country Status (4)

Country Link
EP (1) EP2892392B1 (de)
DK (1) DK2892392T3 (de)
NO (1) NO344593B1 (de)
WO (1) WO2014038958A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10010758B2 (en) 2015-07-20 2018-07-03 Kinetic Furniture Of Vermont, Llc Exercise chair
USD815218S1 (en) 2015-11-20 2018-04-10 Kinetic Furniture Of Vermont, Llc Rocking mechanism for exercise chair
WO2018048380A1 (en) 2016-09-06 2018-03-15 Turner Osler Support assembly joint and applications thereof
US20190390169A1 (en) 2017-03-03 2019-12-26 Kyoto University Pancreatic progenitor cell production method
US10390629B2 (en) * 2017-10-18 2019-08-27 Frank Phillips Move and discover chair
TW202237818A (zh) 2020-11-20 2022-10-01 日商千紙鶴治療公司 成熟化劑
CN116829697A (zh) 2021-02-09 2023-09-29 千纸鹤治疗公司 促熟剂
US11812863B1 (en) 2022-06-14 2023-11-14 Kinetic Furniture of Vermont, Inc. Active sitting chair

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US2049539A (en) * 1935-03-30 1936-08-04 Talma T Greenwood Combined tilting stool and basket
US7478878B2 (en) * 2005-11-22 2009-01-20 Oettinger Marc P Multi-directional, self-righting chair
DK200600167U3 (da) * 2006-06-09 2006-10-13 Leg I S V Lis B Rolsted Gert F Siddeindretning med multiple siddefunktioner
HU3416U (en) * 2007-10-15 2008-05-28 Istvan Zakarias Multifunction seat
DE202009009160U1 (de) * 2009-07-03 2009-10-08 Frey, Günter Kreisel-Hocker
NO20111745A1 (no) * 2010-12-16 2012-06-18 Balans Man As Stol
DE202011101503U1 (de) * 2011-06-03 2011-10-12 Bernd Axt Massagevorrichtung

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
NO344593B1 (no) 2020-02-03
WO2014038958A1 (en) 2014-03-13
DK2892392T3 (en) 2021-04-19
NO20131194A1 (no) 2014-03-11
EP2892392A1 (de) 2015-07-15
EP2892392A4 (de) 2016-04-27

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