EP2898795B1 - Siége à assise en forme de selle - Google Patents

Siége à assise en forme de selle Download PDF

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Publication number
EP2898795B1
EP2898795B1 EP15153306.4A EP15153306A EP2898795B1 EP 2898795 B1 EP2898795 B1 EP 2898795B1 EP 15153306 A EP15153306 A EP 15153306A EP 2898795 B1 EP2898795 B1 EP 2898795B1
Authority
EP
European Patent Office
Prior art keywords
saddle
spar
seat surface
seat
length
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
EP15153306.4A
Other languages
German (de)
English (en)
Other versions
EP2898795A1 (fr
Inventor
Johann Burkhard Schmitz
Roland Zwick
Carola Zwick
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.)
SCHMITZ, JOHANN BURKHARD
ZWICK, CAROLA
ZWICK, ROLAND
Original Assignee
Individual
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Filing date
Publication date
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Publication of EP2898795A1 publication Critical patent/EP2898795A1/fr
Application granted granted Critical
Publication of EP2898795B1 publication Critical patent/EP2898795B1/fr
Active 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
    • 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

Definitions

  • the invention relates to a chair according to the preamble of claim 1.
  • From the DE 1 032 492 B is a work chair with a mobile, three-legged pedestal and a height-adjustable saddle seat known. From the FR 2 868 923 A is also known as a chair.
  • the invention has the object to provide a compact seating furniture with high comfort flexibility, which meets the requirements of the user to a high degree.
  • the invention relates to seating furniture with a saddle-shaped seat, wherein the seat is arranged on a seat post.
  • the invention is characterized in that the seat between a front saddle spar is clamped to a front spar support and a rear saddle spar at a rear spar support.
  • a saddle surface provides an anatomically comfortable way of sitting.
  • the surface is made larger than a conventional saddle, such as a standing seat or a bicycle, so as to support the entire buttock area. The unpleasant formation of a "seat recess" is thereby avoided.
  • a position in the healthy S-shape of the back is achieved because a moving sitting, as can be done on a ball sitting.
  • the seat surface is formed as a minimum surface by a covering, which is clamped between the saddle rails. In this way, the adaptation to the buttocks anatomy further improved and the seating comfort increased. Minimal surfaces always represent optimal uniformity of the surface course while avoiding edge points.
  • the invention further provides, the string, by which the seat is formed to connect with the front saddle spar between a first end of the front saddle spar and a second end of the front saddle spar in particular continuously and continuously with the front saddle spar along a first attachment portion and continue the string, by which the seat surface is formed, with the rear saddle spar between a first end of the rear saddle spar and a second end of the rear saddle spar to connect continuously and continuously with the rear saddle spar along a second attachment portion.
  • the string by which the seat is formed to connect with the front saddle spar between a first end of the front saddle spar and a second end of the front saddle spar in particular continuously and continuously with the front saddle spar along a first attachment portion and continue the string, by which the seat surface is formed, with the rear saddle spar between a first end of the rear saddle spar and a second end of the rear saddle spar to connect continuously and continuously with the rear saddle spar along a second attachment portion.
  • the tensile stress which for the sustainability of thin fabrics represents an essential factor to transfer evenly to the fabric and to avoid a tipping of the fabric, which is favored by stress peaks.
  • it is intended to clamp the fabric to the saddle rails and possibly additionally glued to these and / or to weld or wrap the fabric around the front saddle spar and / or the rear saddle spar and possibly additionally glued to this and / or to weld.
  • Another embodiment is characterized in that the seat is fixed to the saddle rails and between the saddle rails, in particular at connecting edges 9 is flexible.
  • the connecting edges in a peripheral edge region of the seat where the seat between the front saddle spar and the rear saddle spar extends.
  • an optimal connection with the saddle bars is possible.
  • the legs of the seated will usually rest against the side edges or connecting edges of the seat.
  • the flexible design creates no pressure points.
  • Another embodiment of the chair according to the invention is that the seat between the saddle rails is stretched freely.
  • the avoidance of support structures under the seat further improves the comfort of sitting, since no pressure points can arise and the seat adapts completely flexible.
  • the seating furniture according to the invention is further characterized in that the seat is spanned by a mesh fabric, which allows good ventilation and allows a comfortable sitting, especially in summer.
  • the fabric has breathable properties so that body heat released by the user's body can be optimally removed through the fabric.
  • a mesh fabric can be optimally adapted to the requirements by the weaving technique used and / or by the properties of the weaving thread.
  • both the first attachment region can follow a curved, convex course of the front seat spar, the first attachment region having a first length, and the second attachment region followed by a curved convex course of the rear seat spar, the second one Attachment region has a second length L6.
  • the two convex saddle spars spanned between the saddle spars saddle surface is shaped as a buttocks of the user convexly curved saddle surface and assumes a saddle similar, ergonomic shape.
  • the invention provides that they can be made with a maximum thickness of 3 mm and in particular with a maximum thickness of 2 mm.
  • Such fabrics are available in a variety of designs cost and in particular can be easily realized with such fabrics breathable design.
  • Such a dimensioning of the clothing ensures the required flexibility of the clothing in a simple manner, so that the clothing can easily follow the bending of the front or rear seat spar.
  • the front saddle spar at the front spar support and the rear saddle spar at the rear spar support are displaceable relative to each other, in particular via a tensioning device formed at a distance variable.
  • the clamping device comprises a spindle and a handwheel, it is now possible by a rotation of the spindle on its handwheel, to increase a distance between the two spar support sections and so to tension or reduce the clothing and thus to reduce a tension of the fabric.
  • the tension and thus the hardness of the seat is adjustable by so that it is adaptable to individual comfort requirements and personal parameters, such as body weight and sitting position.
  • a moreover expedient embodiment of the seat is characterized in that the front saddle spar and the rear saddle spar at their ends each have a helical turn in which the seat is clamped, in particular wrapped, between the saddle rails, the seat preferably wrapped in its edge region to a string guide is guided.
  • the "wrapping" of the fabric forming the seat provides a stable, torn edge without the need for additional edge reinforcements which, for example, reduce flexibility. It is conceivable to strike a flat material, which provides some guidance and dimensional stability for the wound area.
  • the worm winding provides an advantageous and stress-resistant guide for the material that forms the seat, since edges are avoided. In this way, a high material tension can be realized without special reinforcements must be made.
  • point-elastic mesh fabric as a covering material provides an advantageous embodiment for the seat surface, which offers high comfort with simultaneously given advantageous stability, for example when point loads occur through contents of back pockets (eg a keychain).
  • the seat post is arranged on a rolling frame, wherein the rolling frame in particular has a front arm with a front roller and two backhoe with back rollers and the angle ⁇ 1 between the front arm and rear boom in particular greater 120 ° is formed.
  • the arrangement of the seat post and a seating unit, which includes the seat, the saddle rails and the spar posts on the cradle gives the chair the opportunity to be used as a mobile workstation for project meetings and teamwork, or to provide a high degree of freedom at a desk.
  • the seat post can be designed as a telescopic support, which allows a height adjustment of the seat unit relative to a substrate.
  • a telescopic support is provided, which even allows an adjustment from the seating to the standing-seating furniture.
  • a further expedient embodiment is characterized in that the seat surface is defined at a front portion by the front saddle spar at a height h4 and a width b4 and at a rear portion by the rear saddle spar at a height h6 and a width b6, preferably h4 > h6 and b6> b4 is given.
  • the widths of the saddle bars are measured horizontally in the room and at right angles to a longitudinal axis L1 of the seating unit lying horizontally in the space defined by the front spar support.
  • a highest point HP4 of the front seat spar opposite a highest point HP6 of the rear seat spar has a height difference H46 measured vertically in space, the highest point HP4 of the front seat spar being higher than the highest point HP6 of the rear seat spar.
  • the corresponding saddle geometry in which an advantageous shape of the seat arises, promotes well-being and allows a lasting fatigue-free sitting on the seating.
  • the posture and body position is preferably brought in the form of a lordosis, in the sense of a forwardly inclined curvature or S-shape to allow a healthy sitting.
  • a further advantageous embodiment of the seat is that the course of the Holm 100n corresponds in vertical projection substantially the course of the boom.
  • a carrier by the front spar support and by the rear spar support in this case comprises a saddle the carrier, the front saddle spar, the rear saddle spar and trained as a covering seat, the front saddle spar at a front end of the carrier is arranged, wherein the rear saddle spar is arranged at the rear ends of the carrier, wherein the front saddle spar and the rear saddle spar are spaced from each other so that they are non-contact, wherein the string is attached to the opposite saddle spars, that the Covering under tension standing forms the seat, wherein the seat is convexly curved toward a buttocks of a user, the fabric is elastic stretchable and is designed and tensioned, that it is suitable to wear under elastic deformation as a seat the user.
  • a trained seating furniture has a high level of comfort and is flexible in use.
  • the length of the first attachment area equal to the length of the second attachment area and to make the clothing, by which the seat surface is formed, in the shape of a rectangle in a state in which it lies flat on a flat surface to thereby provide a seat or clothing, which is fastened to both support beams with comparable bias.
  • the length of the first attachment region is greater than the length of the second attachment region with a maximum of 1.5 times the length of the second attachment region and the seat surface in a state in which it rests flat on a flat surface the shape of a rectangle or a trapezoid, thereby to provide special seat shapes in which the length of the mounting portion of the front seatpost is longer than the length of the mounting portion of the rear seat spar.
  • the length of the second attachment region is greater than the length of the first attachment region with a maximum of 1.5 times the length of the first attachment region and the seat surface in a state in which it rests flat on a flat surface in the form of a rectangle or a trapezoid to thereby provide special seat shapes in which the length of the mounting portion of the front seat spar is shorter than the length of the mounting portion of the rear seat spar.
  • the invention provides an adjustability of a bias of the fabric to adjust a degree of elastic deformation of the fabric to the individual sensation of a user and / or to make an adjustment to the respective weight of a utility. Furthermore, this makes it possible to counteract a decrease in the voltage by material aging and / or a decrease or increase in the voltage due to temperature change and to produce the desired state of stress with minimal effort.
  • the invention relates, as in particular in the FIGS. 1 to 6 is shown, a chair 1 with a saddle-shaped seat 2, wherein the seat 2 is arranged on a seat post 3.
  • the FIG. 1 shows the seating 1 in front view
  • the FIG. 2 shows the seating 1 in side view from the left
  • the FIG. 3 shows the seating 1 in rear view
  • the FIG. 4 shows the seating 1 from above
  • the FIG. 5 shows the chair 1 in perspective view
  • the FIG. 6 shows the chair 1 again in a front view
  • the front view is obliquely directed from below on the chair 1.
  • the seat 2 is clamped between a front saddle spar 4, which is held on a front spar support 5, and a rear saddle spar 6, which is held on a rear spar support 7. From the seat 2 are in the FIGS.
  • FIG. 5 To illustrate the course of the seat 2 and the fabric 8 is the representation of FIG. 5 in which the seating 1 is shown in a perspective view, in the FIG. 7 shown again so that the seat 2 and the fabric 8 is shown there schematically as a coarse grid, so that the course of the seat 2 in the room can be seen on the lines of the grid.
  • FIGS. 8 . 9 and 10 again shown in a perspective view, in front view and in side view, in each case was completely dispensed with the representation of the seat.
  • the seat surface 2 or the covering 8, which forms the seat surface 2 is firmly formed on the saddle rails 4, 6 by an adhesive connection and / or clamping connection and is designed to be flexible between the saddle rails 4, 6 at connecting edges 9a, 9b.
  • the connecting edges 9a, 9b in a peripheral edge region R2 of the seat 2 where the seat 2 extends between the front saddle spar 4 and the rear saddle spar 6. It can be seen from the top view of FIG. 4 that the connecting edges 9a, 9b have a straight course and run towards one another.
  • the seat 2 or the covering 8 are preferably formed by a mesh fabric 10, which is elastically extensible and which is permeable to air between a top 10 a and a bottom 10 b.
  • the front saddle spar 4 at its ends 4a and 4b and the rear saddle spar 6 at its ends 6a and 6b are each in the form of a screw winding 12a, 12b and 12c, 12d.
  • the seat 2 and the fabric 8 is for better connection with the ends 4a, 4b and 6a, 6b wrapped in these screw turns 12a - 12d.
  • a string guide 13a, 13b extends between the in the edge regions 9a, 9b of the fabric 8 opposite ends 4a, 6a and 4b, 6b a string guide 13a, 13b, which is wrapped by the fabric 8.
  • a string guide 13a, 13b is preferably designed as a flexible rod and glued to the fabric 8 or welded or sewn.
  • the string guide is formed by the fabric itself and in particular generated by a wound and bonded or welded area.
  • the seating 1 comprises a rolling frame 14, which carries the seat post 3.
  • the rolling rack 14 comprises a front boom 15 with a front roller 16 and two rear arms 17a, 17b with back rollers 18a, 18b.
  • the front spar support 5 and the rear spar support 7 form a carrier T.
  • the saddle S comprises this carrier T, the front saddle spar 4, the rear saddle spar 6 and the seat surface 8 designed as a covering 8.
  • the front saddle spar 4 is arranged at a front end T1 of the carrier T and the rear saddle spar 6 is at rear ends T2, T3 of the two-armed Holm 100 7 of the carrier T arranged.
  • the front saddle spar 4 and the rear saddle spar 6 are spaced apart from each other in such a way that they lie opposite one another without contact.
  • the fabric 8 is secured to the opposing saddle rails 4, 6 such that the fabric 8 under tension forms the seat surface 2, wherein the seat 2 is curved convexly to a buttocks of a user and wherein the fabric 8 is elastically extensible and is designed and tensioned so that it is suitable to wear under elastic deformation as a seat 2 the user.
  • the saddle S is supported by the seat post 3, which is designed as a height-adjustable spring element and is held by the rolling frame 14.
  • the seatpost 3 rotatably connects the rolling frame 14 with the saddle S in order to ensure a constant alignment of the arms 15, 17 a and 17 b on the saddle surface 2.
  • the carrier T of the saddle S and the arms 15, 17a and 17b of the rolling frame 14 are - viewed in a vertical view from above on the chair 1 - both in the same orientation Y-shaped, as shown in FIG. 4 is apparent.
  • the seat 2 is, as in the Figures 3 and 4 shown at a front portion AF through the course of the front fifth wheel 4 with a measured from a parallel to a base G reference plane RP from vertically upwards measured height h4 and measured parallel to the reference plane RP width b4 and at a rear portion AR through defines the course of the rear seat spar 6 with a height h6 measured vertically upward from the reference plane RP and a width b6 measured parallel to the reference plane RP.
  • the widths b4, b6 of the saddle rails 4, 6 are measured horizontally in space and at right angles to a longitudinal axis L1 of the seat 1 lying horizontally in space defined by the front spar support 5.
  • the seat receives a three-dimensional shape, which corresponds to the basic anatomical requirements.
  • a highest point HP4 of the front fifth wheel 4 opposite a highest point HP6 of the rear fifth wheel 6 has a height difference H46 measured vertically in space, the highest point HP4 of the front fifth wheel 4 being higher than the highest point HP6 of the rear fifth wheel 6.
  • a suitable for the user curvature of the seat 2 is further achieved in that - as in the FIG. 5 and 8th shown - the front saddle spar 4 is more curved than the rear saddle spar 6 and a mounting portion BS4 of the front seat spar 4 has a length L4, which corresponds to a length L6 of a mounting portion BS6 of the rear seat spar 6. in this connection is understood by a mounting region that portion of the mounting spar, on which the fabric is attached. In the illustrated seating 1, the two attachment areas are strip-shaped. With such a dimensioning of the lengths L4 and L6 of the mounting region BS4 and BS6 of the saddle rails 4 and 6, the fabric 8, which forms the seat surface 2 in the blank in the form of a rectangle.
  • the fabric formed as a fabric is easy to work with respect to a Verüberung the edges, since in a fabric which is made in a corresponding length L4 and L6 width, no injury to the fabric in the weft threads by cutting done.
  • the rectangular blank for the fabric 8 then has the dimensions L4 x L9b.
  • FIG. 7 in which the fabric 8, which forms the seat 2, is shown schematically as a grid, it can be seen that the seat surface 2 from a front portion AF starting to a rear portion AR identifies a steadily decreasing convex curvature and further, as shown in FIG. 3 it can be seen, towards its rear portion AR in the direction of a substrate on which the seating is 1, drops.
  • This shaping is enforced by the different degrees of curvature of the front seat spar 4 and the rear seat spar 6, wherein the rear saddle spar 6 has a saddle height height SH6, which is less than half a saddle height height SH4 of the front fifth wheel 4.
  • the rear saddle spar 6 is in this case aligned with the front saddle spar 4 such that in the side view of FIG. 3 considered a lower edge K61 of the rear seat spar 6 higher above the ground G is as a lower edge K41 of the front seat post 4 and that in the side view of FIG. 3 considered an upper edge K62 of the rear seat spar 6 is below an upper edge K42 of the front fifth wheel.
  • FIG. 11 is a detail of a second seating 101 in the region of a clamping device 150 shown.
  • the seating 101 is similar to that in the FIGS. 1 to 10 shown seating 1 executed.
  • the tensioning device 150 is in a front spar support 105, which in the FIG. 11 partially shown is integrated.
  • the front spar post 105 is subdivided into a fixed first section 105a connected to a rear spar post, not shown, and a displaceable second section 105b, the second section 105b carrying the front saddle post 4 (not shown).
  • the clamping device 150 comprises a spindle 151 with an external thread 152, the spindle 151 being guided in a threaded bore 153 passing through the second section 105b.
  • the spindle 151 extends with a mushroom-shaped projection 151a into a blind hole 154, which is embodied in the first section 105a, and is fixed therein by a retaining plate 155, wherein the retaining plate 155 with the first section 105a of the saddle spar 105 by schematically indicated fastening means 155a and 155b is connected.
  • the second portion 105b of the spar post 105 is guided on the first portion 105a of the spar post 105 by means of two pins 156, 157.
  • the pins 156, 157 are fixedly connected to the second section 105b of the spar post 105 and guided into bores 158, 159 of the first section 105a, the retaining plate 155 having through holes 160, 161 in the region of the bores 158, 159.
  • a ball 163 is arranged between the spindle 151 and a bottom 154a of the blind hole 154.
  • the tensioning device the user has the option of adjusting, by tensioning or relaxing the clothing, a degree of the elastic deformation which the clothing exhibits during a load, to its individual sensation or to its body weight.
  • FIG. 12 is the cover 8 of the in the FIGS. 1 to 10 shown seat furniture shown in perspective view and laid flat.
  • the covering 8 is, as already mentioned, designed as a mesh fabric 10 and has a uniform thickness D8 between its upper side 10a and its lower side 10b.
  • the fabric 8 With a width B8 and a length L8, the fabric 8 is formed as a rectangular blank.
  • the width B8 corresponds to the length L4 or L6 of the attachment region BS4 or BS6.
  • the length L8 of the fabric 8 corresponds to the length of the connecting edge 9a, 9b.
  • the width B8 has a value between 60 cm and 90 cm and in a preferred embodiment a value between 72 cm and 82 cm in one embodiment of the chair.
  • the length L8 has a value between 30 cm and 70 cm in such a width B8 and in a preferred embodiment a value between 40 cm and 60 cm.
  • FIG. 13 is a variant of the in the FIG. 12 shown covering 8 shown.
  • the fabric 208 is the same in dimensions B208, L208 and D208 as those in FIG FIG. 12 shown string 8 executed.
  • connecting edges 209a, 209b of the covering 208 are encapsulated with a plastic K in order to avoid fraying of the connecting edges 209a and 209b.
  • FIG. 14 is another embodiment of the in the FIG. 12 shown covering 8 shown.
  • the covering 308 deviating from the covering 8 plan lying in plan view is not formed as a rectangle, but as an isosceles trapezoid.
  • the bases have different lengths B308a and B308b and the legs have a uniform length L308.
  • the fabric 308 is the same as in FIG FIG. 12 shown string 8 executed.
  • Such a covering 308 is used in seating furniture whose saddle rails have attachment areas with different lengths.
  • the shape, which in the FIG. 12 has shown covering 8.
  • FIG. 15 it provides the invention to measure the lengths of the attachment areas of the saddle rails differently.
  • a covering is then optionally with a rectangular blank or with a trapezoidal blank.
  • a rectangular blank is then stretched more during attachment in the region of the saddle spar with the greater length of the attachment region than in the region of the saddle spar with the shorter length of the attachment region.
  • a trapezoidal cut like this one in the FIG. 14 is then fastened with its shorter base side to the saddle spar with the shorter length of the attachment region and with its longer base side to the saddle spar with the greater length of the attachment region, wherein it is preferably provided, the trapezoidal blank or the trapezoidal fabric at their To encapsulate converging edges for stabilizing the edges, as in the FIG.
  • FIG. 15 a seat 401 is shown to the left of a longitudinal center plane LME, which has a rear seat spar 406, which has a mounting portion BS406, which is made shorter with a length L406 than a mounting portion BS404 of a front fifth wheel 404, which has a length L404.
  • FIG. 15 right side of the longitudinal center plane LME a piece of furniture 501 is shown in detail, which has a rear saddle spar 506, which has a mounting portion BS506, which is made longer with a length L506 than a mounting portion BS504 of a front fifth wheel 504, which has a length L504.

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Claims (14)

  1. Siège à assise (1) avec une surface d'assise en forme de selle (2), la surface d'assise (2) étant agencée sur une tige de siège (3), caractérisé en ce que la surface d'assise (2) est agencée entre une tige de siège avant (4) sur une tige de retenue avant (5). et un longeron de selle arrière (6) sur un support de longeron arrière (7) est serré, et que la surface de siège (2) se situe au niveau de la partie avant à travers le longeron de selle avant (4) à une hauteur (h4) et une largeur (b4) et la section arrière est définie par le longeron de selle arrière (6) à une hauteur (h6) et une largeur (b6), où h4> h6 et b6> b4.
  2. Siège à assise (1) selon la revendication 1, caractérisé en ce que l'assise (2) est serrée en tant que surface minimale par un entoilage (8) entre les longerons de selle (4, 6).
  3. Siège (1) selon l'une des revendications précédentes, caractérisé en ce
    - qu'un entoilage (8) qui constitue l'assise (2) est relié en particulier en continu et sans interruption au longeron de siège avant (4) entre une première extrémité (4a) du longeron de siège avant (4) et une seconde extrémité (4b) du longeron de siège avant (4), le long d'une première zone de fixation (BS4), et
    - qu'un entoilage (8) qui constitue l'assise (2) est relié en particulier en continu et sans interruption au longeron de siège avant (6) entre une première extrémité (6a) du longeron de siège avant (6) et une seconde extrémité (6b) du longeron de siège avant (6), le long d'une première zone de fixation (BS6), et
  4. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que l'assise (2) est solidement fixée sur les longerons de selle (4, 6) et fixée de manière flexible entre les longerons de selle (4, 6), en particulier sur les bords de liaison (9).
  5. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que l'assise (2) est tendue en porte-à-faux entre les longerons de selle (4, 6).
  6. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que l'entoilage (8) est constitué par un tissu en quadrillage (10).
  7. Siège à assise (1) selon la revendication 1, caractérisé en ce que la première zone de fixation (BS4; BS404; BS504) suit un trajet convexe courbe du longeron de selle avant (4; 404; 504) et comporte une première longueur (L4; L404; L504), et que la deuxième zone de montage (BS6; BS406; BS506) suit un trajet convexe courbe du longeron de selle arrière (6; 406; 506) et comporte une deuxième longueur (L6; L406; L506).
  8. Siège à assise (1) selon la revendication 2, caractérisé en ce que l'entoilage (8) a une épaisseur (D8) maximale de 3 mm et en particulier une épaisseur (D8) maximale de 2 mm.
  9. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que le longeron de selle avant (4) peut être déplacé respectivement par rapport au support de longeron avant (5) et au support de longeron arrière (6) sur le support de longeron arrière (7), et sa distance (d105) peut être modifiée en particulier grâce à un dispositif de serrage (150).
  10. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que le longeron de selle avant (4) et le longeron de selle arrière (6) comportent sur leurs extrémités (4a, 4b; 6a, 6b) respectivement une vis sans fin (12a, 12b, 12c, 12d) dans laquelle l'assise (2) est serrée, et en particulier enveloppée, si bien qu'entre les longerons de selle (4, 6) l'assise (2) est guidée dans la zone de son bord, de préférence enroulée autour d'un guidage d'entoilage (13).
  11. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que le longeron de selle (3) est disposé sur un châssis à roulettes (14), ce châssis à roulettes disposant en particulier d'un bras frontal (15) muni d'un rouleau frontal (16) et de deux bras arrière (17, 17a) avec des roulettes arrière (18, 18a), et qu'un coude al est configuré entre le bras frontal (15) et le bras arrière (17, 17a), et a en particulier un angle supérieur à 120°.
  12. Siège à assise (1) selon l'une des revendications qui précèdent, caractérisé en ce que le trajet des supports de longeron (5, 7) en projection verticale correspond pour l'essentiel au trajet des bras (15, 17, 17a).
  13. Siège à assise selon la revendication 1, caractérisé en ce
    - que le support de longeron avant (5) et le support de longeron arrière (7) constituent un support (T),
    - dans lequel une selle (S) comprend le support (T), le longeron de selle avant (4), le longeron de selle arrière (6) et la surface d'assise (2) réalisée sous forme d'entoilage (8),
    - de sorte que le longeron de selle avant (4) est installé sur une extrémité avant (TI) du support (T), et que le longeron de selle arrière (6) est installé sur les extrémités arrière (T2, T3) du support (T),
    - où le longeron de selle avant (4) et le longeron de selle arrière (6) sont installés à une telle distance l'un de l'autre qu'ils sont placés face à face sans se toucher,
    - où l'entoilage (8) est fixé de telle manière sur les longerons de selle (4, 6) placés face à face que l'entoilage (8) constitue l'assise (2) lorsqu'il est sous tension,
    - où l'assise (2) est galbée de manière convexe selon le postérieur d'un utilisateur,
    - où l'entoilage (8) est extensible de manière élastique et constitué et tendu de telle façon qu'il est apte à porter l'utilisateur en tant qu'assise (2) sous l'effet d'une déformation élastique.
  14. Siège à assise selon la revendication 7, caractérisé en ce
    - que soit la longueur (L4) de la première zone de fixation (BS4) est égale à la longueur (L6) de la deuxième zone de fixation (BS6) et l'entoilage (8) qui constitue l'assise (2) adopte, couché à plat, la forme d'un rectangle, ou bien
    - que la longueur (L404) de la première zone de fixation (BS404) est plus grande que la longueur (L406) de la deuxième zone de fixation (BS406) et mesure au maximum 1,5 fois la longueur (L406) de la deuxième zone de fixation (BS406) et l'entoilage (408) qui constitue l'assise (402) adopte, couché à plat, la forme d'un rectangle ou d'un trapèze, soit
    - que la longueur (L506) de la première zone de fixation (BS506) est plus grande que la longueur (L504) de la deuxième zone de fixation (BS504) et mesure au maximum 1,5 fois la longueur (L504) de la deuxième zone de fixation et l'entoilage (508) qui constitue l'assise (502) adopte, couché à plat, la forme d'un rectangle ou d'un trapèze.
EP15153306.4A 2011-10-31 2012-10-30 Siége à assise en forme de selle Active EP2898795B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011117285 2011-10-31
PCT/EP2012/004535 WO2013064239A1 (fr) 2011-10-31 2012-10-30 Siège à assise en forme de selle
EP12823144.6A EP2806770B1 (fr) 2011-10-31 2012-10-30 Siège à assise en forme de selle

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP12823144.6A Division EP2806770B1 (fr) 2011-10-31 2012-10-30 Siège à assise en forme de selle
EP12823144.6A Division-Into EP2806770B1 (fr) 2011-10-31 2012-10-30 Siège à assise en forme de selle

Publications (2)

Publication Number Publication Date
EP2898795A1 EP2898795A1 (fr) 2015-07-29
EP2898795B1 true EP2898795B1 (fr) 2018-12-26

Family

ID=47683676

Family Applications (4)

Application Number Title Priority Date Filing Date
EP15153306.4A Active EP2898795B1 (fr) 2011-10-31 2012-10-30 Siége à assise en forme de selle
EP12823144.6A Active EP2806770B1 (fr) 2011-10-31 2012-10-30 Siège à assise en forme de selle
EP15153297.5A Active EP2901892B1 (fr) 2011-10-31 2012-10-30 Siége à assise en forme de selle
EP15153302.3A Active EP2898794B1 (fr) 2011-10-31 2012-10-30 Siége à assise en forme de selle

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP12823144.6A Active EP2806770B1 (fr) 2011-10-31 2012-10-30 Siège à assise en forme de selle
EP15153297.5A Active EP2901892B1 (fr) 2011-10-31 2012-10-30 Siége à assise en forme de selle
EP15153302.3A Active EP2898794B1 (fr) 2011-10-31 2012-10-30 Siége à assise en forme de selle

Country Status (7)

Country Link
US (1) US9538848B2 (fr)
EP (4) EP2898795B1 (fr)
CN (1) CN104066358A (fr)
DE (1) DE102012021190A1 (fr)
HK (1) HK1202391A1 (fr)
IN (1) IN2014DN03372A (fr)
WO (1) WO2013064239A1 (fr)

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US10165862B2 (en) 2011-10-31 2019-01-01 Johann Burkhard Schmitz Support structure for saddle-form seat surface
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AU2016287487B2 (en) 2015-06-29 2020-11-26 MillerKnoll, Inc Attachment structure for suspension seating
CN107307641A (zh) * 2017-08-02 2017-11-03 新昌县三剑机械设备有限公司 一种座椅

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Also Published As

Publication number Publication date
IN2014DN03372A (fr) 2015-06-05
EP2898795A1 (fr) 2015-07-29
EP2806770B1 (fr) 2019-05-29
EP2898794A1 (fr) 2015-07-29
EP2898794B1 (fr) 2019-05-29
EP2806770A1 (fr) 2014-12-03
DE102012021190A1 (de) 2013-05-02
EP2901892A1 (fr) 2015-08-05
EP2901892B1 (fr) 2018-12-26
CN104066358A (zh) 2014-09-24
WO2013064239A1 (fr) 2013-05-10
US9538848B2 (en) 2017-01-10
US20150102642A1 (en) 2015-04-16
HK1202391A1 (en) 2015-10-02

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