EP3415040A1 - Siege multifonctionnel et multidimensionnel - Google Patents

Siege multifonctionnel et multidimensionnel Download PDF

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Publication number
EP3415040A1
EP3415040A1 EP18188327.3A EP18188327A EP3415040A1 EP 3415040 A1 EP3415040 A1 EP 3415040A1 EP 18188327 A EP18188327 A EP 18188327A EP 3415040 A1 EP3415040 A1 EP 3415040A1
Authority
EP
European Patent Office
Prior art keywords
seat
seat cushion
shaped
shape
base
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
EP18188327.3A
Other languages
German (de)
English (en)
Inventor
Siegfried Pürner
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.)
Puerner Christoph
Original Assignee
Puerner Christoph
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 Puerner Christoph filed Critical Puerner Christoph
Publication of EP3415040A1 publication Critical patent/EP3415040A1/fr
Ceased 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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions

Definitions

  • the present invention relates to a seat cushion for resting on a chair or for installation in a chair and a corresponding seating with a seat cushion.
  • the seat of office chairs is designed to be movable in different directions in order to give the user of the office chair the opportunity to achieve an optimal sitting position with adapted alignment of the spine and also to perform movements while sitting, so instead the static sitting dynamic seating can be realized, which brings advantages in terms of the compatibility of sitting.
  • the invention proposes a seat cushion for resting on a chair or for installation in a chair in which the seat has on a top of the seat cushion a deviating from a plane three-dimensional shape, which is adapted to the conditions of the human skeleton.
  • the three-dimensional surface shape of the seat of the seat cushion according to the invention is characterized in that the seat has at least one, preferably two Wegknorrenveriana for receiving the Wegknorren or ischial tuberosity of the human skeleton when a user sits on the seat cushion.
  • the person sits with his seat legs or Wegbeinhöckern or Wegknorren on a flat seat, so that the Wegknorren rest on the seat and be immobilized thereby.
  • the seat is also designed so that the support of the body on the thighs and / or parts of the buttocks without the Wegknorren done, so that the pelvis is still free to move even when sitting, especially around a rotation axis, transverse to the thighs in the seated state, ie, a forward and backward bowing allows.
  • the pelvis it is easily possible for the user to position the pelvis correctly, in particular also with regard to the spinal column, so that a sitting adapted to the human skeleton is made possible.
  • the provision of the Wegknorrenveriana also facilitates the emergence of the user, since the required for getting up the rotation of the pelvis is also easier, as a blocking is avoided by resting Wegknorren.
  • the seat cushion according to the invention furthermore has a U-shaped ridge in plan view of the upper side of the cushion, which effects the positioning and / or mounting of the thighs and the buttocks for the correct arrangement of the seat knuckles in the seat knuckle recesses.
  • the U-shape of the back which may also be referred to as a bead, has two legs with the free ends of the U and a base connecting the legs and extending transversely to the two legs, which enclose an area in which the user sits is essentially placed.
  • the U - shape is at the front of the seat cushion, where the user 's legs come to rest when sitting, open, so that there free ends of the legs of the U - shape are arranged.
  • the U - shaped enclosed area has correspondingly the Wegknorrenveriana, in which the seat crenellations of the user can protrude when sitting.
  • the U-shaped ridge is formed in a dome-shaped cross-section, resulting in a sloping in the direction of the base surface and in the direction of the center of the width support surface.
  • the seat cushion according to the invention at the back of the seat cushion, which lies opposite the front and on which the user arranges his back while sitting, or at the base of the U - shape, one through a recess or an incision of the U - shapedêtngurens trained coccyx release structure provided which serves to accommodate the coccyx and the free mobility of the coccyx. This facilitates alignment of the pelvis for gentle sitting.
  • the coccyx release structure comprises a recess and a trough, wherein the recess in the U-shaped ridge is formed in the region of the base in the middle with respect to the width direction, wherein the trough is disposed below the recess and formed between the Wegknorrenveriana.
  • the trough may be triangular in shape and the recess may be substantially V-shaped with the trough and recess having a point of contact and widening therefrom in opposite directions.
  • the support surface of the U-shaped backrest sloping in the direction of the U-shaped area serves to support the thighs in the area of the legs of the U-shape and of parts of the buttocks in the area of the base of the U-shape.
  • the height of the upper back may rise from the free ends of the legs of the U-shape toward the base of the U-shape so that from the back of the seat cushion to the front of the seat cushion where the user has his legs when sitting Wedge shape, which supports the correct positioning of the pelvis. In addition, this facilitates the correct positioning of the buttocks and the thighs on the seat surface of the seat cushion or the support surface of the U-shaped height back.
  • the U-shaped ridge may be formed as an edge boundary of the seat, since the user should be positioned within the U-shaped area of the back of the seat when sitting.
  • the cross-sectional shape of the back of the heel, in cross-section to the extension of a leg or the base may represent an arcuate shape in the manner of a downwardly-opened parabola comprising as part of the intersecting line of the support surface sloping in the direction of the U-shaped enclosed area, or as a be formed from the edge of the seat cushion sloping line, wherein in the direction of the U - shaped enclosed area sloping line may be straight, convex and / or concave curved.
  • the cross-sectional line may have a concave curvature.
  • the U-shaped ridge can each have a pan-shaped hip joint recess in the region of the transition of the legs of the U-shape to the base of the U-shape, which can serve for receiving and positioning the hip joint, that is to say the end of the thigh bone arranged in the hip joint.
  • the pan-shaped hip joint recess may be formed in the sloping support surface of the back height. This ergonomic and exact positioning of the pelvis and femurs is possible, while the mobility of the pelvis is given by the mobility of Wegknorren.
  • the base surface located between the legs of the U-shape of the ridge can slope down towards the seat knuckle recesses, i. in the thickness direction with respect to a horizontally disposed reference plane in the height position to this decreasing, be designed to provide a greater range of mobility for the Wegknorren.
  • the Wegknorrenverianaung itself can have a circular or elliptical or oval shape and / or three-dimensional cylindrical shape in plan view, especially if two Wegknorrenverianaieux are provided. Instead of providing two Wegknorrenveriana, even a single Wegknorrenverianaung can be formed be that absorbs the two Wegknorren combined. A corresponding Wegknorrenverianaung can also be oval or elliptical in plan view.
  • the base surface between the legs of the U-shape of the back of the heel, the support surface of the back, the Wegknorrenveriana and / or the hip joint recesses may all be formed so that the respective surfaces flow into each other, so that no sharp edges are formed.
  • the described surface shape of the seat surface of the seat cushion is to be understood with respect to the indication of sloping or rising surfaces with respect to a reference plane running horizontally in particular in the state of use of the seat cushion, which may be formed for example by a flat underside of the seat cushion or a plane passing through a lower side portion of the seat cushion can.
  • the described depressions or elevations, such as the ridge are defined in relation to the surrounding areas, such that, in one depression, the surrounding areas are higher relative to a reference plane, while the surrounding areas are lower in elevation with respect to the reference plane.
  • the seat cushion in particular the plate-shaped basic shape of the seat cushion, with the seat surface at the top can be formed from a foamed material, for example a polyurethane foam.
  • the seat cushion may have a coating over the plate-shaped basic shape or over the seat surface of the plate-shaped basic shape, which comprises a textile cover.
  • Textile reference here means various materials, but also plastic films and the like, which can be arranged or stretched over the seat surface, for example to form a straight or even seat surface.
  • the coating can also be formed directly adjacent to the seat surface and thus represent the seat identical, so that the seat surface has the same three-dimensional surface shape, as the seat.
  • the coating may comprise one or more foams or other soft materials in one or more layers that may be disposed along the seating surface and / or in the various recesses or recesses of the three-dimensionally shaped seating surface.
  • the foam can - Or soft cloth layers are designed to be different thickness.
  • the foams or foams may be formed from materials which in particular have a lower hardness or strength than the material of the plate-shaped basic shape. For example, if the Wegknorrenvertiefung filled with a soft foam material, the Wegknorren can still be moved relatively freely due to the significantly lower resistance of the soft foam material in the Wegknorrenverianaung and the purpose of the invention is fulfilled.
  • a corresponding seat cushion can be used as a separate seat cushion only to support for seating, or the seat cushion can be permanently installed in a chair. In the latter case, the seat cushion may have on its underside corresponding connection structures for connection with the seating.
  • the seat cushion may in particular be accommodated in a support structure of the seat, which is movably mounted relative to a base frame, and in particular is movably mounted in a plurality of degrees of freedom, thus allowing rotations or tilting about different independent spatial axes.
  • a multi - dimensional and multi - functional sitting which is adapted to the human skeleton, possible, so that the seating comfort is significantly increased and the discomfort caused by incorrect sitting of the human can be significantly reduced.
  • the FIG. 1 shows an embodiment of a seat cushion 1 according to the invention in a perspective view from the front.
  • the seat cushion 1 has a plate-shaped, in particular cuboidal basic shape, which defines a length L, a width B and a thickness D.
  • the plate-shaped basic shape has a front 6, a back 7 and two lateral sides 4 and 5, which are arranged substantially perpendicular to each other.
  • the lateral boundary of the seat cushion 1 takes any shape, such as round, oval or arbitrarily curved shapes or the like.
  • the seat cushion 1 in its plate-shaped basic shape also has an upper side 2 and a lower side 3, wherein the seat surface 8 is formed on the upper side 2, while on the underside 3 either a smooth, flat or otherwise suitably shaped surface for support a seat or an arrangement for connection with a chair can be provided.
  • the seat surface 8 extends along the longitudinal extension and the width extension and, according to the invention, has a three-dimensional shape, so that elevations and / or depressions of the seat surface 8 result relative to a reference plane, which can be defined by the length and width of the seat cushion 1.
  • a reference plane which can be defined by the length and width of the seat cushion 1.
  • the underside of the seat cushion 1 can be selected, which is defined by a flat surface with the side edges of the front 6, the lateral sides 4, 5 and the back 7.
  • different heights D of the seat 8 arise (see 4 to 6 ), while in relation to a differently selected reference plane, which is arranged for example in the center of the seat cushion 1, notches may also be present in addition to elevations.
  • the width of the seat cushion 1 may be, for example, in the size range of 40 to 60 cm, preferably 45 to 55 cm and especially 50 cm, while the length has a dimension of 35 to 60 cm, especially 40 to 50 cm and preferably may have 45 cm.
  • the height difference between the lowest point of the seat and the highest point of the seat can be in the range of 5 to 15 cm, preferably 7.5 to 12.5 cm and especially 9 to 10 cm.
  • the total thickness of the seat cushion can be correspondingly in the range of 10 cm to 20 cm.
  • two Wegknorrenveriana instructors 11 are formed in the rear area, so close to the back 7, which are formed as cylindrical recesses.
  • the bottom of the Wegknorrenverianaatorium 11 represents the lowest point of the seat 8.
  • the Wegknorrenveriana Institute 11 are formed as through holes in the seat cushion 1.
  • the Wegknorrenverianaept 11 may have a diameter in the range of 4 to 8 cm, in particular 5 to 7 cm and preferably 6 cm. From the front 6 of the seat cushion 1, the center of the Wegknorrenverianatown 11 in a range of 30 to 40 cm, in particular 33 to 37 cm, preferably be removed by 34 to 35 cm.
  • the two Wegknorrenveriana austeriana can be with your centers in a range of 8 to 12 cm, in particular 9 to 11 cm, preferably by 10 cm apart.
  • a base surface 9 extends in the direction of the Wegknorrenverianatown 11 which is formed isosceles and symmetrical in the form of a trapezoid and in the thickness direction D from the front 6 in the direction of Wegknorrenverianatown 11 is sloping.
  • the base surface 9 of the seat 8 is enclosed by a top view U-shaped ridge 12 whose U-shape has two legs 14, 15 and a base 16, which are shown in dashed lines.
  • the U-shaped ridge 12 rises in the direction of the thickness D from the free ends of the legs 14,15 on the front 6 in the direction of the base 16 so that the ridge 12 at the transition from the legs 14,15 to the base 16, the greatest height in the thickness direction D and in this area also represents the highest elevation of the seat 8.
  • the U-shaped ridge 12 has a recess 17 for receiving the coccyx in the middle relative to the width direction B.
  • the U-shaped ridge 12 is formed in a cross-section, as will be seen later, a dome-shaped, resulting in a sloping in the direction of the base surface 9 support surface 10, wherein is seen in a downward sloping with respect to the thickness direction D.
  • a triangular depression 19 results between the sitting knurl recesses 11.
  • the coccyx recess 17 and the triangular depression 19 together form a tailbone release structure.
  • the support surfaces 10 serve to support the buttocks and thighs and define the position of the seated person on the seat cushion 1 so that the seat crenellations or ischial tuberosities of the person protrude into the seat crenelations 11.
  • cup-shaped depressions 18 are formed, which serve for receiving and supporting the hip joint.
  • the cup-shaped hip joint recesses 18 may also be formed slightly inclined according to the sloping support surface 10 in which they are arranged, so that the edges of the hip joint recess are also oriented sloping towards the center of the seat cushion 1.
  • the diameter of the hip joint recesses 18 may be selected in the range of 5 cm, and the depression opposite to the surrounding support surface 10 may be 0.5 to 2 cm in the thickness direction D with respect to the deepest point of the hip joint depression 18.
  • the design of the seat surface 8 with the three-dimensional design described makes possible a multi-dimensional sitting which fully satisfies the ergonomic requirements and, in particular, the positioning of the thighs on the support surfaces 10 and the positioning of the buttocks and thighs by the U-shaped ridge 12 and the Wegknorrenveriana 11 allows optimal alignment of the pelvis when sitting, which also facilitates getting up because the user's pelvis is free to move due to the free movement of Wegknorren and is not blocked by resting Wegknorren.
  • FIGS. 2 to 8 show the embodiment of the seat cushion 1 of FIG. 1 in various sectional views and views, so that the three-dimensional design of the seat 8 and the seat cushion 1 are more clear overall.
  • FIG. 2 is a perspective view of the seat cushion 1 of the side 5 and the back 7 is shown, in particular, the rear course of the U - shaped height back 12 and the tailbone recess 17 can be seen.
  • FIG. 3 shows in a similar representation as the FIG. 1 the different sectional planes A - A to E - E in the FIGS. 4 to 8 are shown.
  • FIG. 4 which shows a central section through the seat cushion 1 along the longitudinal direction according to section line A - A, the coccyx recess 17 and a leg of the back height 12 with the support surface 10 can be seen.
  • FIG. 5 shows a section along the section line B - B and thus a section through one of the Wegknorrenveriana 11, wherein additionally in the direction of the Wegknorrenverianaung 11 sloping base surface 9 and turn the circumferential ridge 12 can be seen with the support surface 10.
  • the seat 8 is rounded so that the seat 8 fits well in the knees of a user.
  • FIG. 6 shows in a section along the section line C - C, the formation of the hip joint recess 18 in the support surface 10 of the U - shaped height back 12th
  • FIG. 7 In the sectional view along the line D - D, the two juxtaposed seat knuckle recesses 11 are shown, as well as the base of the U - shaped height back 12 with the coccyx recess 17 and the hip joint recesses 18.
  • FIG. 8 The sectional view of the FIG. 8 along the section line E - E shows the dome-shaped or hill-shaped form of the backrest 12 with the supporting surface 10 sloping down to the base surface 9.
  • FIG. 9 shows a schematic representation of a seating, in which the seat cushion 1 can find application.
  • an office chair 30 with a base 31 and a turnstile 32, are arranged on the rollers 33 for moving the office chair 30.
  • a column 34 is arranged, on which a suspension 35, a seat support 36 is arranged, which is movably mounted relative to the base with the turnstile 31 and the column 34, so that the seat support 36 is tilted relative to the column 34 in different directions can be.
  • a seat cushion 1 is arranged, as shown in the FIGS. 1 to 8 is described.
  • FIG. 10 shows the office chair 30 with seat cushion 1 in use, showing the skeleton of the user.
  • diffraction of the upper body of the user to the front of the seat support 36 also tilts forward, so that already an adaptation of the seat is given to the use situation.
  • the arrows drawn in the region of the thigh that the load of the user is removed via the thighs, while the seat knot 38 is free and does not have to absorb any load.
  • This also ensures that the pelvis, as also illustrated by the dashed double arrows, can be rotationally aligned, so that lateral loads on the spine can be avoided and a simple stand-up is possible.
  • this can be achieved by an ergonomic sitting position, which significantly reduces the burden of the skeleton by sitting.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP18188327.3A 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel Ceased EP3415040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015100810.6A DE102015100810A1 (de) 2015-01-21 2015-01-21 Multifunktionales und multidimensionales Sitzmöbel
EP16152146.3A EP3047757B1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16152146.3A Division-Into EP3047757B1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel
EP16152146.3A Division EP3047757B1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel

Publications (1)

Publication Number Publication Date
EP3415040A1 true EP3415040A1 (fr) 2018-12-19

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP18188327.3A Ceased EP3415040A1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel
EP16152146.3A Active EP3047757B1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP16152146.3A Active EP3047757B1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel

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EP (2) EP3415040A1 (fr)
DE (1) DE102015100810A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL435589A1 (pl) * 2020-10-05 2022-04-11 Black Special Systems Spółka Z Ograniczoną Odpowiedzialnością Siedzisko

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE796948A (fr) 1973-03-16 1973-07-16 Englebert Jean Coussin de siege
US5163737A (en) * 1991-01-29 1992-11-17 The Bbj Connection Cushion
DE29905547U1 (de) 1999-03-25 2000-08-24 Pending System GmbH & Co. Vertriebs-Kg, 95679 Waldershof Aufhängevorrichtung für ein Sitz- oder Liegemöbel
DE20010788U1 (de) 2000-06-26 2000-10-19 Kühnemuth & Co. GmbH, 37297 Berkatal Sitzunterlage zur körperangepassten Lagerung eines diese Sitzunterlage Benutzenden
WO2003079858A1 (fr) * 2002-03-25 2003-10-02 Jung-In Kim Coussin ergonomique
US20050022306A1 (en) 2003-07-28 2005-02-03 Hetzel Thomas R. Reinforced and adjustable contoured seat cushion and method of reinforcing and adjusting the contoured seat cushion
JP2011147542A (ja) 2010-01-20 2011-08-04 Bridgestone Corp シートパッド
WO2013045481A1 (fr) 2011-09-29 2013-04-04 Perlini Andrea Structure de siège thérapeutique ergonomique
US20130328377A1 (en) 2007-07-23 2013-12-12 Bridgestone Corporation Seat pad and seat for vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59500454A (ja) * 1982-03-16 1984-03-22 ジエイ　エリツク　シ− 改良型シ−トクツシヨン
US5369829A (en) * 1988-05-16 1994-12-06 Jay Medical, Ltd. Seat cushion for reclining wheelchairs
US5395162A (en) * 1993-02-16 1995-03-07 Jay Medical Ltd. Seating system
US7373678B2 (en) * 2003-07-28 2008-05-20 Aspen Seating, Llc Seat cushion with adjustable contour and method of adjusting the contour of a seat cushion

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE796948A (fr) 1973-03-16 1973-07-16 Englebert Jean Coussin de siege
US5163737A (en) * 1991-01-29 1992-11-17 The Bbj Connection Cushion
DE29905547U1 (de) 1999-03-25 2000-08-24 Pending System GmbH & Co. Vertriebs-Kg, 95679 Waldershof Aufhängevorrichtung für ein Sitz- oder Liegemöbel
DE20010788U1 (de) 2000-06-26 2000-10-19 Kühnemuth & Co. GmbH, 37297 Berkatal Sitzunterlage zur körperangepassten Lagerung eines diese Sitzunterlage Benutzenden
WO2003079858A1 (fr) * 2002-03-25 2003-10-02 Jung-In Kim Coussin ergonomique
US20050022306A1 (en) 2003-07-28 2005-02-03 Hetzel Thomas R. Reinforced and adjustable contoured seat cushion and method of reinforcing and adjusting the contoured seat cushion
US20130328377A1 (en) 2007-07-23 2013-12-12 Bridgestone Corporation Seat pad and seat for vehicle
JP2011147542A (ja) 2010-01-20 2011-08-04 Bridgestone Corp シートパッド
WO2013045481A1 (fr) 2011-09-29 2013-04-04 Perlini Andrea Structure de siège thérapeutique ergonomique

Also Published As

Publication number Publication date
EP3047757B1 (fr) 2019-04-03
EP3047757A1 (fr) 2016-07-27
DE102015100810A1 (de) 2016-07-21

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