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WO2002007568A1 - Siege avec element d'assise - Google Patents

Siege avec element d'assise Download PDF

Info

Publication number
WO2002007568A1
WO2002007568A1 PCT/DE2001/002627 DE0102627W WO0207568A1 WO 2002007568 A1 WO2002007568 A1 WO 2002007568A1 DE 0102627 W DE0102627 W DE 0102627W WO 0207568 A1 WO0207568 A1 WO 0207568A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
user
seat element
contact surfaces
contact surface
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.)
Ceased
Application number
PCT/DE2001/002627
Other languages
German (de)
English (en)
Inventor
Elgin Braun
Roger Glamann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP01953915A priority Critical patent/EP1301109A1/fr
Priority to AU2001276322A priority patent/AU2001276322A1/en
Publication of WO2002007568A1 publication Critical patent/WO2002007568A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • 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
    • 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 seat with a seat element.
  • Ergonomic seats for optimal relief, especially the spine, are known in multiple versions for private and professional use. However, mostly only individual body parts are dynamically supported.
  • the seat element is rotatable about a vertical axis transversely to the seat element and pivoted about a horizontal axis below the seat element. It is also known from office chairs of this type to resiliently mount back elements so that a back pressure is exerted on the back of a user.
  • DE 42 10 097 A1 describes an actively dynamic seat device in which a seat element tumbles around a pivot point.
  • the object of the invention was to create an improved active dynamic seat, in which not only an active sitting position is ensured, but also dynamic support of as many movements of a user as possible. The support effect should therefore depend on the tilting and rotating movements of the user.
  • the seat with the features according to claim 1 in that the tilt axis for the pivotably mounted seat element extends transversely to the spine in the region of the lumbar vertebrae of a user sitting on the seat element.
  • the tilt axis does not extend through the seat element itself, but parallel to it above the seat element. Therefore, it does not pivot about its own central axis, but about a tilt axis extending parallel to it.
  • the seat element is not only pivoted, but laterally displaced during the pivoting movement and leads to a completely different support effect. This advantageously enables a lateral inclination of the seat element in the event of a lateral weight shift of the user, in particular when rotating about his spine. It was recognized that a dynamic seat must support the biomechanical law, that the spine always combines rotary movements with a lateral tilt behavior.
  • the user's spine is a back element to support the back of a user advantageously mounted so as to be pivotable about a pivot axis parallel to the spine of the user.
  • the coupling element being arranged such that a rotational movement of the backrest is transmitted proportionally to a lateral tilting movement of the seat element about the tilt axis and vice versa. With a rotary movement around the spine of the user, a lateral inclination of the seat element is thus brought about by the pivoting movement of the back element.
  • the coupling element is a spring or torsion bar in order to bring about a dynamic counterpressure in the back element and the seat element. So that the rotary movement of the coupling element
  • Back element coupled resiliently with the tilting movement of the seat element and exerted a body-supporting slight counter pressure.
  • the coupling element also serves to return the seat element to the starting position.
  • a spring element is coupled to the back element in order to enable a tilting movement of the back element transversely to the longitudinal axis of the coupling element. This enables a resilient leaning of the back towards the back, whereby a slight counter pressure is exerted on the back and the latter is absorbed. This tilting movement also serves to stretch the back, whereby the corresponding counterforce can increase.
  • the spring element can be formed in that the connecting element has resilient properties.
  • the seat element, together with the back element is pivotally mounted about a horizontal axis, the horizontal axis extending transversely to the seat element in the front region and above the seat element, in order for a user sitting on the seat element to move from a vertical position Allow position in a horizontal position and vice versa.
  • the seat element is preferably attached to a seat frame together with the back element, the lower section of the seat frame, which is diametrically opposite the seat element, has a curved profile and the curved profile is covered with rollers on a seat base.
  • the seat is preferably adjustable in height.
  • a first contact surface in the rear area of the seat element for supporting the pelvic arch or pelvic strap of the user
  • first and second contact surfaces are perpendicular to each other and the third seat support surface from the direction of the second
  • Contact surface is aligned diagonally upwards and extends between the legs of the user.
  • the horizontal second contact area in the area of the user's ischial bones absorbs the entire body weight.
  • the vertical first contact surface on the pelvic arch or pelvic arch counteracts a muscularly tiring bending of the hip to the rear via lumbar vertebrae flexion. This kinking of the hips is due to the lateral asymmetry of the ischial humps.
  • a diagonal third contact surface is provided in front of the pubic bones, which prevents the buttocks from slipping forward and the pelvic arch or pelvic arch downwards.
  • a seat element with defined contact surfaces is thus provided according to the invention, the user being supported specifically on the defined contact surfaces.
  • This has the advantage that the freedom of movement of the user on the other surfaces is not restricted.
  • the at least three contact surfaces can be three independent, individual elements of the seat element or represent sections of an integrally designed seat element.
  • first, second and / or third contact surface each consist of two contact areas, which are aligned mirror-symmetrically about a common central axis of the seat element.
  • This embodiment is particularly advantageous since it corresponds to the human anatomy in that the sacrum is not fused to the pelvic halves.
  • the seat element is advantageously divided into two seat halves / the first, second and third contact surfaces being provided on each seat half and the seat halves being aligned next to one another symmetrically about a common central axis of the seat element.
  • the contact surfaces consist of gel, silicate or foam and are adapted to the respective physique of the user.
  • adjustment means for the contact surfaces can also be provided, so that the seat element can be set as desired for many different pool proportions.
  • a foam z. B. polyurethane foam can be used.
  • Figure 1 - a perspective schematic diagram of the seat element pivotally mounted about a tilt axis transverse to the spine in the region of the lumbar vertebrae in a coupled manner
  • Figure 2 - schematic diagram of Figure 1 in front view
  • I S Figure 3 is a schematic diagram of the seat element pivoted about a horizontal axis transversely to the seat element in the front region and above the seat element in a lying position in a side view;
  • FIG. 4 shows a perspective side view of the seat element according to the invention
  • Figure 5 - a plan view of the seat element of Figure 6;
  • FIG. 6 shows a side and front view of a seat element according to the invention
  • Figure 7 - a force model for the seat element according to the invention in
  • FIG. 1 shows a functional model of a seat element 2 pivotably mounted about a tilt axis 1 in a perspective view.
  • a corresponding front view is shown in FIG. 2.
  • the tilt axis 1 is located above the seat element 2 and extends essentially horizontally in the longitudinal direction of the seat element 2 and transversely to the spine in the region of the lumbar vertebrae of a user sitting on the seat element 2.
  • the seat element 2 can be pivoted about this tilt axis 1, preferably at an angle ⁇ of up to 10 ° from the central axis to the right and left.
  • FIG. 2 shows the functional model shown in FIG. 1 in the front view. It is clear that the seat element 1 can be pivoted about the tilt axis at an angle of up to 10 ° from the central axis to the right and left.
  • the tilting movement of the seat element 2 can be coupled with a rotary movement about the axis 3 of a schematically illustrated back element and / or a schematically illustrated neck support.
  • the back element or the neck support with the seat element 2 is over one
  • connection element connected.
  • the construction should be such that the ratio of the lateral tilting of the seat element 2 to the lateral rotation of the uppermost back element is not greater than 40 ° for the seat to 90 ° for the back in relation to the entire width of the seat element 2 or the back element , Viewed from the central axis of the back element or the seat element 2, the ratio corresponds to 20 ° for the seat element 2 to 45 ° for the back element.
  • the coupling of the rotation of the back element with the tilting movement of the seat element 2 leads to dynamic body support.
  • the biomechanical laws are taken into account that the spine always combines rotary movements with a lateral tilt behavior and vice versa. The coupling of this movement in the lumbar region and the thoracic spine is dependent on the curvature in these sections.
  • the connecting element is preferably a spring or torsion bar, so that the seat can reset in an initial position and, in addition, a body-supporting counterforce is applied when the seat element 2 is tilted.
  • FIG. 3 shows the functional model of the seat element 2 in a side view, the seat element 2 being mounted pivotably about a horizontal axis 4 at a defined angle.
  • the horizontal axis 4 extends transversely to the seat element 2 and is located somewhat above the seat element 2 in the front region.
  • the pivoting of the seat element 2 about the horizontal axis 4 causes a movement of a user sitting on the seat element 2 from a vertical position into a horizontal position Location And vice versa, whereby the user is dynamically supported and guided when changing the location.
  • the seat frame has a lower section, which is diametrically opposite the seat element 2 and has, for example, a curved profile.
  • the curved profile of the seat frame is supported, for example, by rollers on a seat base, the height of the seat being adjustable by the seat base.
  • the seat element 2 according to the invention for the seat described above is shown in side and front view, as a top view and in a perspective side view.
  • the seat element 2 is divided into two seat halves 5a and 5b, each having three contact surfaces.
  • the contact surfaces are aligned side by side symmetrically about the common central axis 6 of the seat shell 2.
  • a vertical first contact surface 7 is located in the rear area of the seat element 1 and serves to support the pelvic arch or pelvic strap of the user.
  • a horizontal second contact surface 8 is located in the central region of the seat element 2 for supporting the User's buttocks.
  • a diagonal third contact surface 9 is provided in the front area of the seat element 2 in order to support the pubic bone bracket of the user.
  • the third contact surface 9 extends upwards between the legs of a user and lies against the thighs or the pubic bones. It can be seen from the drawing figure 7 that the first and second contact surfaces 7 and 8 are almost perpendicular to one another. The third contact surface 9 is oriented diagonally upwards from the direction of the second contact surface 8.
  • the horizontal second contact surface 8 in the area of the user's ischial bones absorbs the entire body weight.
  • the vertical first contact surface 7 on the pelvic arch or pelvic arch counteracts a muscularly tiring bending of the hip to the rear via a lumbar vertebrae flexion.
  • the kinking of the hips is caused by the lateral asymmetry of the ischial humps.
  • the diagonal third contact surface 9 is provided in front of the pubic bones and prevents the buttocks from slipping forward and the pelvic arch or pelvic arch downwards.
  • the functions of the contact surfaces 7, 8 and 9 are outlined in more detail in FIG. 7 using a force model.
  • the weight of the user F1 is to be absorbed with the seat.
  • the resulting force is zero according to the amplifier diagram shown.
  • the vertical first contact surface 7 is mounted so that a counterforce F2 on the
  • Pelvic arch or pelvic strap 10 exercised by the user and kinking of the hip to the rear is avoided.
  • the force relationships in the seat according to the invention are exemplified as follows. A weight force of the user of 100% is assumed, which is completely absorbed by the counterforces F2, F3 and F4. For this, the pelvic arch or pelvic strap of the
  • Support forces F2 to F4 are fully absorbed, so that the user sits firmly and securely.
  • the ischial tubercles and the pelvic arch or pelvic bow 10 are prevented from slipping downward by the diagonally upwardly directed third surface 9 by applying a diagonally upward counterforce F4.
  • FIG. 8 shows the force model of a conventional seat, that the weight force F1 of the user is not fully absorbed 100%.
  • a force F5 on the pelvic arch or pelvis is absorbed by a counterforce F2b.
  • a counterforce F6 acts on the ischial tubercles, which is not in a line of force with the weight force F1.
  • a horizontal force F7 remains, which leads to a

Landscapes

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

Abstract

L'invention concerne un siège comportant un élément d'assise (2) monté sur ce dernier de façon à pouvoir pivoter autour d'un axe de basculement (1) qui s'étend de manière pratiquement horizontale dans le sens longitudinal de l'élément d'assise (2) et transversalement à la colonne vertébrale, au niveau des vertèbres lombaires, d'un utilisateur assis sur ledit élément (2).
PCT/DE2001/002627 2000-07-21 2001-07-19 Siege avec element d'assise Ceased WO2002007568A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01953915A EP1301109A1 (fr) 2000-07-21 2001-07-19 Siege avec element d'assise
AU2001276322A AU2001276322A1 (en) 2000-07-21 2001-07-19 Seat comprising a seat element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10035473.4 2000-07-21
DE2000135473 DE10035473B4 (de) 2000-07-21 2000-07-21 Sitz mit einem schalenförmigen Sitzelement

Publications (1)

Publication Number Publication Date
WO2002007568A1 true WO2002007568A1 (fr) 2002-01-31

Family

ID=7649683

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/002627 Ceased WO2002007568A1 (fr) 2000-07-21 2001-07-19 Siege avec element d'assise

Country Status (4)

Country Link
EP (1) EP1301109A1 (fr)
AU (1) AU2001276322A1 (fr)
DE (1) DE10035473B4 (fr)
WO (1) WO2002007568A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010020503A1 (de) 2010-05-14 2011-11-17 Josef Glöckl Sitzvorrichtung mit beweglichem Sitz
DE102020104698A1 (de) 2020-02-21 2021-08-26 Flaviu Bragoi Stuhl

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183492A (en) * 1977-10-11 1980-01-15 Willibald Grammer Vehicle seat
DE4210097A1 (de) 1992-03-27 1993-09-30 Josef Gloeckl Aktivdynamische Sitzvorrichtung
DE9400040U1 (de) * 1993-11-11 1994-06-30 Machon, Dorothea, 24558 Henstedt-Ulzburg Spiralfeder-Sitz
DE29703628U1 (de) * 1997-02-05 1997-04-17 Lin, Chen-Da, Taipeh/T'ai-pei Drehstuhl
DE19547964A1 (de) 1995-12-21 1997-06-26 Wolfgang Dr Fitz Sitzelement
DE29908599U1 (de) * 1999-05-14 1999-08-05 Frese, Walter, 82152 Planegg Sitzteillagerung mit Synchronmechanik

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1259526B (de) * 1959-10-17 1968-01-25 Ludwig Halter Dem Koerper angepasster Sitz
US3376070A (en) * 1966-07-22 1968-04-02 Merle E. Johnson Contoured seat cushion
US5395162A (en) * 1993-02-16 1995-03-07 Jay Medical Ltd. Seating system
DE29802267U1 (de) * 1998-02-10 1998-04-02 Lin, Chen-Da, Taipeh/T'ai-pei Stuhl mit Drehsitz und Rückenlehne
DE19915003A1 (de) * 1999-04-01 2000-10-05 Michael Stips Sitzvorrichtung und Verfahren zu ihrer Steuerung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183492A (en) * 1977-10-11 1980-01-15 Willibald Grammer Vehicle seat
DE4210097A1 (de) 1992-03-27 1993-09-30 Josef Gloeckl Aktivdynamische Sitzvorrichtung
DE9400040U1 (de) * 1993-11-11 1994-06-30 Machon, Dorothea, 24558 Henstedt-Ulzburg Spiralfeder-Sitz
DE19547964A1 (de) 1995-12-21 1997-06-26 Wolfgang Dr Fitz Sitzelement
DE29703628U1 (de) * 1997-02-05 1997-04-17 Lin, Chen-Da, Taipeh/T'ai-pei Drehstuhl
DE29908599U1 (de) * 1999-05-14 1999-08-05 Frese, Walter, 82152 Planegg Sitzteillagerung mit Synchronmechanik

Also Published As

Publication number Publication date
AU2001276322A1 (en) 2002-02-05
EP1301109A1 (fr) 2003-04-16
DE10035473B4 (de) 2006-03-23
DE10035473A1 (de) 2002-02-07

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