EP3047757B1 - Siege multifonctionnel et multidimensionnel - Google Patents

Siege multifonctionnel et multidimensionnel Download PDF

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Publication number
EP3047757B1
EP3047757B1 EP16152146.3A EP16152146A EP3047757B1 EP 3047757 B1 EP3047757 B1 EP 3047757B1 EP 16152146 A EP16152146 A EP 16152146A EP 3047757 B1 EP3047757 B1 EP 3047757B1
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EP
European Patent Office
Prior art keywords
shape
seat cushion
seat
sitting
shaped
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Active
Application number
EP16152146.3A
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German (de)
English (en)
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EP3047757A1 (fr
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
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Puerner Christoph
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Publication date
Application filed by Puerner Christoph filed Critical Puerner Christoph
Priority to EP18188327.3A priority Critical patent/EP3415040A1/fr
Publication of EP3047757A1 publication Critical patent/EP3047757A1/fr
Application granted granted Critical
Publication of EP3047757B1 publication Critical patent/EP3047757B1/fr
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    • 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 thereby be immobilized.
  • 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 open at the front of the seat cushion, where the legs of the user come to rest when sitting, so that the free ends of the legs of the U - shape are arranged there.
  • the U-shaped area correspondingly has the Wegknorrenverianaonneus in which the seat crenellations of the user can protrude when sitting.
  • the base surface located between the legs of the U - shape of the ridge is sloping towards the seat knuckle recesses, i. in the thickness direction with respect to a horizontally disposed reference plane at the height to this decreasing, designed to provide a greater range of mobility for the Wegknorren.
  • the U-shaped ridge can have a support surface sloping down in the direction of the U-shaped area, which serves to support the thighs in the region of the legs of the U-shape and 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 height in cross-section to the extension of a leg or the base a Arcuate shape in the manner of a downwardly opened parabola comprising as part of the intersection of the sloping in the direction of the U - shaped area abutting support surface, or formed as a sloping from the edge of the seat cushion 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 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 Wegknorrenverianaieux, only a single Wegknorrenverianaung can be formed, which receives the two Wegknorren combined. A corresponding Wegknorrenverianaung can also be oval or elliptical in plan view.
  • the base surface between the thighs of the U-shape of the back of the foot, the support surface of the back of the seat, the Wegknorrenverianaieuxonne and / or the hip joint recesses may all be formed so that the respective surfaces smoothly merge into each other, so that no sharp edges are formed.
  • the described surface shape of the seating surface of the seat cushion is to be understood as indicating sloping or rising surfaces relative to a reference plane extending horizontally, in particular in the state of use of the seat cushion, for example formed by a flat underside of the seat cushion or a plane passing through a bottom portion of the seat cushion can.
  • the described depressions or elevations, such as the ridge are defined in relation to the surrounding areas, so that in one depression the surrounding areas are higher relative to a reference plane, while the surrounding areas to a survey corresponding to lower 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 or soft material layers may be formed differently thick.
  • 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 depression 17 in the center relative to the width direction B for receiving the coccyx.
  • the U-shaped ridge 12 is in a cross-section, as will be seen later, a dome-shaped, with a sloping in the direction of the base surface 9 Supporting surface 10 results, with sloping with respect to the thickness direction D can be seen.
  • the coccyx recess 17 there is a triangular depression 19 between the seat crenellation recesses 11.
  • the support surfaces 10 serve to support the buttocks and the thighs and define the position of the seated person on the seat cushion 1, so that the seat crenels or ischial tuberosities of the person in the seat crenelations 11 protrude.
  • 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 shows a perspective view of the seat cushion 1 from the side 5 and the rear side 7, wherein 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 along section line A - A, the tailbone 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 tailbone 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 relative to the Pillar 34 can be tilted in different directions.
  • 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.
  • the arrows drawn in the region of the thigh make it clear that the load of the user is removed via the upper 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.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Claims (12)

  1. Coussin destiné à être posé sur un siège ou à être intégré dans un siège, avec une forme de base en forme de plaque, qui présente une largeur, une longueur et une hauteur, lequel coussin comprend une surface d'assise (8) qui se trouve sur un dessus de la forme de base et qui s'étend le long de la largeur et de la longueur de la forme de base et qui présente une forme de surface tridimensionnelle avec des bosses et des creux dans la direction de l'épaisseur par rapport à un plan passant par la largeur et la longueur, dans lequel la surface d'assise a le long du sens de la largeur une face avant (6), au niveau de laquelle peuvent être placées les jambes de l'utilisateur lorsqu'il est assis et une face arrière (7) au niveau de laquelle peut être placé le dos de l'utilisateur lorsqu'il est assis, dans lequel la surface d'assise (8) présente au moins un et de préférence deux creux d'os ischiatiques (11) destinés à loger les os ischiatiques d'un utilisateur,
    dans lequel la surface d'assise comprend une partie arrière surélevée (12) en forme de U en vue de dessus sur la surface d'assise, avec une forme de U constituée d'une base (16) et de deux branches (14, 15) agencées au niveau de celle-ci, laquelle partie arrière surélevée est agencée de telle manière par rapport aux creux d'os ischiatiques (11) que l'utilisateur vient s'asseoir avec les cuisses et les fesses de telle manière à l'intérieur d'une zone entourée par la partie arrière surélevée en forme de U que les os ischiatiques pénètrent dans les creux d'os ischiatiques,
    dans lequel une surface de base (9), qui descend vers les creux d'os ischiatiques (11) et qui présente en vue de dessus la forme d'un trapèze isocèle et/ou symétrique, est réalisée dans la zone entourée en forme de U entre les branches de la forme en U,
    caractérisé en ce que
    la partie arrière surélevée (12) comporte au niveau de la base (16) de la forme en U, au centre, un creux (17) destiné à loger le coccyx.
  2. Coussin selon la revendication 1,
    caractérisé en ce que
    la partie arrière surélevée (12) en forme de U comporte une surface de soutien (10) descendant dans la direction de l'épaisseur dans la direction de la zone entourée en forme de U.
  3. Coussin selon la revendication 1 ou 2,
    caractérisé en ce que
    la hauteur de la partie arrière surélevée (12) monte des extrémités libres des branches (14, 15) de la forme en U en direction de la base (16) de la forme de U dans la direction de l'épaisseur par rapport à un plan de référence passant par la largeur et la longueur ou par rapport à la zone entourée en forme de U.
  4. Coussin selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la partie arrière surélevée (12) en forme de U est réalisée comme limitation marginale de la surface d'assise (8).
  5. Coussin selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'
    un creux de hanche (18) en forme de poêle est réalisé dans la zone de la transition d'une branche (14, 15) de la forme en U à la base (16) de la forme en U.
  6. Coussin selon la revendication 5,
    caractérisé en ce que
    le creux de hanche (18) en forme de poêle est agencé dans la partie arrière surélevée (12), en particulier dans la surface de soutien (10) descendant vers la zone entourée en forme de U.
  7. Coussin selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les creux d'os ischiatiques (11) présentent une forme ronde ou elliptique ou ovale en vue de dessus et/ou au moins en partie une forme de cylindre.
  8. Coussin selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les transitions entre la surface de base (9), la surface de soutien (10), les creux d'os ischiatiques (11) et/ou les creux de hanche (18) sont progressives.
  9. Coussin selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le coussin, en particulier la forme de base en forme de plaque, est formé en mousse, en particulier en mousse de polyuréthane,
  10. Coussin selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le coussin comporte sur la surface d'assise une housse qui comporte un revêtement textile et/ou une ou plusieurs mousses, en particulier des mousses qui sont plus souples que le matériau de la forme de base en forme de plaque, laquelle housse forme de préférence une surface d'assise plane.
  11. Siège avec un coussin selon l'une quelconque des revendications précédentes.
  12. Siège selon la revendication 11,
    caractérisé en ce que
    le coussin est logé dans une structure porteuse (36) qui est montée mobile par rapport à un châssis (31), en particulier mobile avec plusieurs degrés de liberté.
EP16152146.3A 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel Active EP3047757B1 (fr)

Priority Applications (1)

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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015100810.6A DE102015100810A1 (de) 2015-01-21 2015-01-21 Multifunktionales und multidimensionales Sitzmöbel

Related Child Applications (2)

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

Publications (2)

Publication Number Publication Date
EP3047757A1 EP3047757A1 (fr) 2016-07-27
EP3047757B1 true EP3047757B1 (fr) 2019-04-03

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EP16152146.3A Active EP3047757B1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel
EP18188327.3A Ceased EP3415040A1 (fr) 2015-01-21 2016-01-20 Siege multifonctionnel et multidimensionnel

Family Applications After (1)

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

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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 (1)

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Publication number Priority date Publication date Assignee Title
US5163737A (en) * 1991-01-29 1992-11-17 The Bbj Connection Cushion

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
BE796948A (fr) * 1973-03-16 1973-07-16 Englebert Jean Coussin de siege
US4588229A (en) * 1982-03-16 1986-05-13 Jay Medical, Ltd. Seat cushion
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
DE29905547U1 (de) 1999-03-25 2000-08-24 Pending System Gmbh & Co Vertr Aufhängevorrichtung für ein Sitz- oder Liegemöbel
DE20010788U1 (de) * 2000-06-26 2000-10-19 Kuehnemuth & Co Gmbh Sitzunterlage zur körperangepassten Lagerung eines diese Sitzunterlage Benutzenden
KR200279102Y1 (ko) * 2002-03-25 2002-06-22 김정인 인체 공학 건강체형 교정 기능성 방석 및 의자방석
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
US7140057B2 (en) * 2003-07-28 2006-11-28 Aspen Seating, Llc Reinforced and adjustable contoured seat cushion and method of reinforcing and adjusting the contoured seat cushion
JP4293281B1 (ja) 2007-07-23 2009-07-08 株式会社ブリヂストン 車両用シートパッド及び車両用シート
JP2011147542A (ja) 2010-01-20 2011-08-04 Bridgestone Corp シートパッド
ITPS20110012A1 (it) * 2011-09-29 2013-03-30 Andrea Perlini Struttura di seduta ergonomica terapeutica

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163737A (en) * 1991-01-29 1992-11-17 The Bbj Connection Cushion

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EP3047757A1 (fr) 2016-07-27
EP3415040A1 (fr) 2018-12-19
DE102015100810A1 (de) 2016-07-21

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