EP3434147A2 - Siège de chaise et chaise - Google Patents

Siège de chaise et chaise Download PDF

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Publication number
EP3434147A2
EP3434147A2 EP18184294.9A EP18184294A EP3434147A2 EP 3434147 A2 EP3434147 A2 EP 3434147A2 EP 18184294 A EP18184294 A EP 18184294A EP 3434147 A2 EP3434147 A2 EP 3434147A2
Authority
EP
European Patent Office
Prior art keywords
seat
support
chair
plate
seat plate
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.)
Granted
Application number
EP18184294.9A
Other languages
German (de)
English (en)
Other versions
EP3434147B1 (fr
EP3434147A3 (fr
Inventor
Johannes Uhlenbrock
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
Priority claimed from DE202017104508.0U external-priority patent/DE202017104508U1/de
Priority claimed from DE202017106864.1U external-priority patent/DE202017106864U1/de
Application filed by Individual filed Critical Individual
Publication of EP3434147A2 publication Critical patent/EP3434147A2/fr
Publication of EP3434147A3 publication Critical patent/EP3434147A3/fr
Application granted granted Critical
Publication of EP3434147B1 publication Critical patent/EP3434147B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable 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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A47C7/142—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions by fluid means
    • 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
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A47C7/144—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions with array of movable supports
    • 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
    • A47C7/18—Seat parts having foamed material included in cushioning part
    • 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
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled
    • A47C7/342—Edge stiffeners
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled
    • A47C7/347—Seat parts with springs in compression, e.g. coiled with means for connecting springs to each other or to seat frame
    • 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
    • A47C7/35—Combinations of different types of springs; Adjustable springs; Attachment of springs to other springs or to the base frame ; Springs for seat parts not provided for in other groups of this subclass

Definitions

  • the invention relates to a chair seat, consisting of a seat support and an associated, an upper-side seat surface, relative to the seat support limited movable seat plate.
  • a chair seat of the type mentioned is from the document DE 195 07 458 A1 known.
  • this chair seat it is essential that it has a combined Torsionsdus- and tilting bearing as a resilient means.
  • the chair seat is provided here for a special seating with a rocking chair frame.
  • either obligatory or at least preferably an arrangement of two opposite wheels or castors between the base plate and the seat plate is provided to allow the here provided in any case torsion or rotation of the seat plate relative to the base plate.
  • the document DE 195 32 445 A1 shows a rocker and swivel seat furniture with a seat plate, which is elastically mounted with a torsion and tilt bearing, which has a material-free turning and tilting center in the middle of the warehouse, mounted on a base plate mounted on a rocking frame.
  • the seat plate is additionally supported by the frame by two fixed castors.
  • WO 98/42237 A1 is a chair with a chair seat of the type mentioned above.
  • this known chair seat is an intermediate piece a concentric about a central pivot region arranged around elastic material, in particular in the form of a disc or a ring, arranged between the seat support and the seat plate.
  • the disc or the ring is cylindrical, which then exists in all directions the same tilting feature of the seat plate relative to the seat support.
  • this document discloses that a modified form of the cylindrical shape of the disc or the ring is possible to produce different spring counter-forces in individual tilting directions.
  • a disadvantage is considered in the known chair seats that his users often feel the multi-dimensional mobility of the seat plate as rather unpleasant, because after practical experience uncertainty and dizziness in users of seating with the known, previously explained chair seats occur.
  • the known chair seats are sometimes technically complex to manufacture, especially when equipped with wheels or castors between seat support and seat plate.
  • the task is to provide a chair seat and a chair of the type mentioned in which uncertainty and dizziness in users are reliably avoided and their production with a low manufacturing, material and installation costs is possible.
  • a chair seat of the type mentioned which is characterized in that the seat plate by means of at least one support member to a along or parallel to a longitudinal center line of the chair seat below the seat and above the seat support or in the amount of seat support and Seat plate extending tilting axis relative to the seat support limited laterally tiltably connected to the seat support.
  • the seat plate in different directions has different mobility properties relative to the seat support.
  • a limited lateral tilting of the seat plate is achieved by the along the longitudinal center line of the seat tilting axis, which gives a user of the seat or chair a comfortable and secure seating feeling in conjunction with a dynamic, so certain body movements enabling seats, which for example avoids unwanted muscle tension of the user.
  • the tilting axis runs as close to the seat plate and thus close to the ischial tuberosities of a person using the chair seat to avoid as uncomfortable perceived rolling and fluctuating movements of the body, which would occur at a further down from the seat plate tilting axis . Since in the chair seat according to the invention, the tilting axis is located directly under the ischial tuberosities of the seat occupant, small lateral movements are spontaneously possible. These movements cause the user's pelvis to tilt slightly to the right and left without the body and head wobbling or swaying, thus promoting circulation of the intervertebral discs and the outer layers of the fasciae.
  • the seat plate is acted upon by a biasing force in the direction of a parallel to the seat support, untilted basic position.
  • the seat plate thus assumes its untilted basic position unless tilting forces are exerted on the seat plate by a seat user. If tilting forces are exerted on the seat plate by the seat user, then the preloading force generates opposing forces counteracting these tilting forces, which contributes to ergonomically good sitting.
  • the support elements forming spacers are arranged on which the seat plate relative to Seat support limited laterally mounted tiltable.
  • the support member forming intermediate piece is arranged on which the seat plate is limited laterally tiltably mounted relative to the seat support ,
  • the / each flexible intermediate piece is suitably releasably connected on the one hand to the seat support and on the other hand to the seat plate, preferably screwed.
  • the invention preferably provides that the punctiform, flexurally elastic intermediate pieces are cylindrical vibrating metal elements and that the / each linear flexurally elastic intermediate piece is an elongate, cuboid vibrating metal element.
  • Such vibrating metal elements are common components and available in various versions on the market at low cost, which contributes to low manufacturing cost of the chair seat.
  • the punctiform, bending-elastic intermediate pieces may instead of a round also have an angular, such as square or rectangular or hexagonal outline shape.
  • a further alternative embodiment proposes that at least one along the longitudinal center line of the chair seat between the seat support and the seat plate extending, forming the support member support shaft is connected to the seat support on which the seat plate is limited laterally mounted tiltable relative to the seat support.
  • the axle can z. B. be a steel axis and is on the one hand simple and on the other hand stable and reliable component, which allows a cost-effective and low-wear, durable construction.
  • the support axle is expediently accommodated in at least one first axle receptacle forming part of the seat carrier and at least one second axle receptacle forming part of the seat plate.
  • the axle receptacles can be connected to these or made in one piece.
  • the invention further provides that the support shaft is a torsion that the at least one first axle and the at least one second axle in Tragachsenlnatures are spaced apart and that the support shaft is received rotationally fixed in the axle mounts.
  • a tilting movement of the seat plate leads here to a tensioning of the torsion spring formed by the support shaft, which directly creates a force which counteracts the tilting movement of the seat plate.
  • the chair seat is provided that the upper side at least one along the longitudinal center line of the chair seat in a vertical plane between the seat support and the seat plate extending, the support member forming leaf spring is connected, on which limits the seat plate relative to the seat support is mounted laterally tiltable.
  • the leaf spring advantageously forms at the same time the component for the limited laterally tiltable connection between seat support and seat plate and the component for generating a counteracting the tilting movement of the seat plate counterforce.
  • the leaf spring is bent elastically substantially about its longitudinal central axis.
  • the seat carrier on the upper side for the / each leaf spring has a first receiving groove receiving a lower leaf spring edge region and the seat plate has a second receiving groove for the / each leaf spring on the underside for the / each leaf spring.
  • each leaf spring is preferably made of spring steel or alternatively also of a suitable plastic.
  • the chair seat is characterized in that the seat support and the seat plate on the one hand at least one along the longitudinal centerline of the chair seat in a vertical plane extending groove and on the other hand at least one parallel thereto extending between the seat support and the seat plate, with the seat support or Seat plate integrally formed or connected, the support member forming rib-shaped spring and that the seat plate is mounted laterally tiltable on the engaging in the groove, protruding from this spring relative to the seat support.
  • the rib-shaped spring advantageously also forms the component for the limited lateral tiltable connection between seat support and seat plate and the component for generating a counteracting the tilting movement of the seat plate counterforce.
  • the / each rib-shaped spring made of an elastic-flexible plastic, which is particularly advantageous if the rib-shaped spring having seat component, d. H. the seat support or the seat plate, itself made of plastic and so a one-piece design is possible.
  • the groove for receiving the rib-shaped spring between two mutually parallel, integrally formed with the seat support or the seat plate or ribs is preferably formed.
  • the ribs bounding the groove also advantageously contribute to the elastically flexible tilting mobility of the seat plate relative to the seat carrier.
  • the elastic-flexible lateral tilting mobility of the seat plate relative to the seat carrier can also be influenced and adjusted by the fact that between the rib-shaped Spring and this receiving groove an elastic intermediate layer, preferably a rubber embedding, is arranged.
  • the chair seat is characterized in that the upper side at least one along the longitudinal centerline of the chair seat between the seat support and the seat plate extending, the support member forming pressure hose is connected, on which the seat plate relative to the seat support limited tiltably mounted laterally is.
  • the pressure hose in addition to the function as the seat support and the seat plate tilting connecting element additionally provides a suspension function.
  • the pressure hose can be filled with a compressible pressure medium and / or the pressure hose itself can be elastically extensible and recoverable.
  • two or more longer continuous pressure hoses may be provided parallel to each other or it may be provided in series and / or parallel to each other several shorter pressure hoses.
  • the pressure hose has a valve, via which a pressure medium, preferably air, can be introduced into the pressure hose or discharged from the pressure hose.
  • a pressure medium preferably air
  • the pressure hose may have a connection for a pressure medium pump or be connected to a pressure medium pump arranged on the seat, by means of which pressure medium can be introduced into the pressure hose.
  • a further targeted influencing of the characteristic of the tilting movement of the seat plate relative to the seat support is made possible by at least in the peripheral areas of a low-resistance or a spring action exerting foam filling is arranged between the seat support and the seat plate.
  • This foam filling also serves to avoid intervention of a seat occupant with his fingers in the space between the seat support and the seat plate, where it could otherwise come under unfavorable circumstances to pinch the fingers.
  • the foam filling dampens the tilting movement of the seat plate relative to the seat support at larger tilt angles and thus avoids disturbing impact noises, which could occur when the seat plate hits the seat carrier.
  • fixed or adjustable stops are arranged between the seat support and the seat plate, which limit a measure of the lateral tilting movement of the seat plate relative to the seat support.
  • the attacks can z.
  • the adjustable stops can be adjustable for example by means of threaded height.
  • a arranged on the seat plate seat foam layer and / or seat cover is guided in a peripheral edge region to the seat support.
  • the gap between the seat plate and the seat support is covered to the outside and visually laminated, without restricting the tilting mobility of the seat plate.
  • a further embodiment of the chair seat according to the invention provides that the seat support is formed by an outer frame, that the seat plate is formed by a surface surrounded by the seat support and that the support element by a along the longitudinal center line of the chair seat extending, connecting the seat support and the seat plate , bendable material bridge is formed, around which the seat plate is limited laterally tiltable relative to the seat support.
  • a particularly flat design of the chair seat is made possible because the seat support and the seat plate are not arranged one above the other, but in a plane. Only with the lateral tilting of the seat plate, this moves relative to the frame-shaped seat support slightly up or down from the common plane out.
  • the seat support and the seat plate are formed by a one-piece plate of a flexurally elastic material and that between the seat support and the seat plate two in plan view U- or C-shaped mirror-symmetrical to the longitudinal center line of the chair seat extending, with their back sections respectively outwardly facing cuts are attached. Due to the existing possibility of one-piece design of seat support and seat plate manufacturing is particularly simple, because only the cuts, z. B. by sawing or milling or laser cutting, must be attached. Special, extra to be installed connection components between seat support and seat plate are not needed here, because the support element which seat support and seat plate connects together, here is an integral part of the one-piece plate.
  • the frame-shaped seat support and the seat plate as two individual parts and then connected by one or more separate bending elastic bridge components, which also the advantageous flat design of the chair seat is achieved with the limited relative to the seat support laterally tiltable seat plate ,
  • a chair with a chair seat consisting of a seat support and an associated, a top side seat, relative to the seat support limited movable seat plate is proposed, according to the invention, characterized in that the chair seat features one or more of claims 1 to 22.
  • the chair can be made virtually arbitrary in his existing next to the chair seat parts, z. B. as a swivel chair with central column or as a four-legged chair or cantilever chair, with or without armrests, or as a low or high stool.
  • FIG. 1 shows a chair seat 1 in a first embodiment, in a "transparent" plan view.
  • the chair seat 1 consists of a lower, in FIG. 1 largely concealed seat support 2 and a spaced therebetween, here three, punctually flexible elastic spacers 4 spaced, a top side seat 33 having seat plate 3.
  • the three punctual flexurally elastic intermediate pieces 4 are spaced from each other along a Longitudinal centerline 11 of the chair seat 1 is arranged. As a result, a direction-dependent different tiltability of the seat plate 3 is achieved relative to the seat support 2.
  • FIG. 2 shows the chair seat 1 off FIG. 1 in an end view, in the bottom of the seat support 2 and above the seat plate 3 can be seen.
  • On the seat plate 3 is ever a seat foam layer 30, the surface of which forms the seat 33 and the side has a circumferential, drawn down from the seat plate 3 to the seat support 2 edge region 31.
  • FIG. 3 shows the chair seat 1 off FIG. 1 in a cross-sectional view obliquely from above.
  • the plate-shaped seat support 2 lies below the plate-shaped seat support 2, to the distance above and parallel to the seat plate 3 extends.
  • the seat foam layer 30 On the seat plate 3 is the seat foam layer 30 with the upper side seat 33.
  • the punctual flexible intermediate pieces 4 visible in section, which lies in the intermediate space 20 and on the one hand with the seat support 2 and on the other hand with the seat plate 3 is connected.
  • the edge region 31 of the seat foam layer 30 is again present.
  • FIG. 4 shows the chair seat 1 off FIG. 1 in longitudinal section along the longitudinal center line 11 in FIG FIG. 1 ,
  • the section extends in a vertical plane through the three punctual flexurally elastic intermediate pieces 4, which are arranged between the seat support 2 and the seat plate 3 bounding this limited laterally tiltable together.
  • the punctiform bending elastic intermediate pieces 4 each have a cylindrical rubber body 40.
  • the spacers are each releasably connected via a screw 42.
  • the spacers 4 are each connected via a further releasable screw 43.
  • the punctual flexurally elastic intermediate pieces 4 are designed, for example, as vibration metal elements.
  • the seat foam layer 30 On the seat plate 3 is again the seat foam layer 30 with the upper side seat 33.
  • the peripheral edge of the seat foam layer 30 down the drawn down edge region 31, which conceals the gap 20 between the seat support 2 of the seat plate 3 circumferentially outside and closes.
  • near-edge stops 23 for example in the form of small rubber buffers attached.
  • FIG. 5 shows the chair seat 1 off FIG. 1 in a "transparent" side view.
  • the seat support 2 on which the seat plate 3 is mounted tiltably by means of punctiform bending elastic spacers 4.
  • the seat foam layer 30 On the seat plate 3 is again the seat foam layer 30 with its peripheral, drawn down edge region 31st
  • FIG. 6 shows the chair seat 1 off FIG. 1 in cross-section along the transverse centerline 12 in FIG FIG. 1
  • the section through the middle of the three point elastic bending intermediate pieces 4 runs, so that in FIG. 6 only one of the spacers 4 is visible.
  • the two other intermediate pieces 4 are in FIG. 6 in front of and behind the cutting plane and are therefore not visible.
  • Down in FIG. 6 is the seat support 2 visible over the distance by the seat plate 3, wherein the seat support 2 and the seat plate 3, inter alia, by the in FIG. 6 visible intermediate pieces 4 are tiltably connected to each other.
  • the intermediate piece 4 is located in the intermediate space 20 which is between the seat support 2 and the seat plate 3 and also allows the movement of the left and right edges of the seat plate 3 indicated tilting movement of the seat plate 3 relative to the seat support 2.
  • near-edge stops 23 are arranged, which prevent a hard impact of the edges of the seat plate 3 on the seat support 2 at larger tilt angles.
  • the spacer 4 is detachably connected to the seat support 2 and the seat plate 3.
  • the seat foam layer 30 On the seat plate 3 here is the seat foam layer 30 with the top side seat 33 and the circumferential, pulled down and the gap 20 edge-covering edge region 31.
  • the edge region 31 is due its lower material thickness practically without influence on the tilting mobility of the seat plate 3 relative to the seat support second
  • the spacers 4 are in the embodiment of the FIGS. 1 to 6 cylindrical vibrating metal elements. You can have instead of a round but also an angular, such as square or rectangular or hexagonal outline shape.
  • FIGS. 7 to 12 show the chair seat 1 in a second embodiment, the difference to the previously based on the FIGS. 1 to 6 described embodiment of the chair seat 1 is that in the second embodiment, instead of a plurality of punctual flexurally elastic intermediate pieces 4, a linear flexurally elastic intermediate piece 4 'is installed.
  • FIG. 8 shows the chair seat 1 off FIG. 7 in an end view, with respect to the in FIG. 8 visible items on the description of FIG. 2 is referenced.
  • FIG. 9 shows the chair seat 1 off FIG. 7 in a cross-sectional view obliquely from above, in which case the linear flexurally elastic intermediate piece 4 'can be seen in cross section.
  • the other parts of the chair seat 1 in FIG. 9 will be on the description of FIG. 3 directed.
  • FIG. 10 shows the chair seat 1 off FIG. 7 in longitudinal section, in which case the linear bending elastic intermediate piece 4 'is cut longitudinally.
  • the intermediate piece 4 ' is detachably connected to the seat support 2 via two screw connections 42' which are spaced apart from one another in the longitudinal direction.
  • the intermediate piece 4 ' is also detachably connected to the seat plate 3 via two screw joints 43' which are spaced apart from one another in the longitudinal direction.
  • FIG. 10 is shown on the description of the extent matching FIG. 4 directed.
  • stops 23 are in the example after FIG. 10 not shown, but can also be present there.
  • FIG. 11 shows the chair seat 1 off FIG. 7 in a "transparent" side view, wherein the now lying inside the chair seat 1 lying linear elastic intermediate piece 4 'is shown in dashed lines, as well as the concealed inside the chair seat 1 arranged seat plate 3rd bottom in FIG. 11 is the seat support 2.
  • Top in FIG. 11 is the seat foam layer 30 with the seat 33 and with the circumferential, pulled down edge region 31 visible.
  • FIG. 12 shows the chair seat 1 off FIG. 7 in cross section, in which case also the linear bending elastic intermediate piece 4 'is cut transversely.
  • the intermediate piece 4 ' is here ever one of the two fittings 42', 43 'visible.
  • the example corresponds to FIG. 12 for example FIG. 6 , whose description is referenced.
  • FIG. 13 shows the chair seat 1 in a third embodiment in a cross section.
  • the seat foam layer 30 is pulled down on the seat plate 3 not only down to the seat support 2, but also runs as edge foam filling 32 by a certain distance in the gap 20 between the seat support 2 and the seat plate 3 inside. Since the material of the seat foam layer 30 and thus also the foam filling 32 is relatively soft, it provides only a slight mechanical resistance to the lateral tilting movement of the seat plate 3 relative to the seat support 2, so that the marginal foam filling 32 in practice, the lateral tilting mobility of the seat plate. 3 not appreciably affected.
  • the edge-side foam filling 32 circumferentially closes the intermediate space 20, wherein the foam filling 32 adapts to the width of the intermediate space 20 which changes relative to the seat support 2 as a result of tilting movements of the seat plate 3.
  • the foam filling 32 adapts to the width of the intermediate space 20 which changes relative to the seat support 2 as a result of tilting movements of the seat plate 3.
  • FIG. 13 The details shown are based on the description of the extent matching FIGS. 6 and 12 directed.
  • the intermediate piece 4 is in the embodiments of the FIGS. 7 to 13 an elongated vibrating metal element with a rubber body 40 in the form of a cuboid with oblong rectangular outline. It is also possible to round off the end-side end regions of the intermediate piece 4 or its rubber body 40.
  • FIG. 14 shows a chair seat 1 in another embodiment, in a "transparent" plan view.
  • the chair seat 1 consists of a lower, in FIG. 14
  • the seat plate 3 is limited to a tilted along the longitudinal center line 11 of the chair seat 1 tilting axis 21 relative to the seat support 2 tiltably connected to the seat support 2.
  • Other tilting or rotational movements of the seat plate 3 relative to the seat support 2 are excluded in this embodiment.
  • the seat support 2 is a top along the longitudinal center line 11 of the chair seat 1 extending support shaft 5, z. B. from a solid or tubular round steel connected.
  • the seat plate 3 is limited laterally relative to the seat support 2, i. from the perspective of a seat occupant to the left and right, stored tilting.
  • the seat support 2 on the upper side two spaced apart in the longitudinal axis of the support axle axle axle 52 and the seat plate 3 on the underside also two spaced apart in TragachsenlFigsraum second axle mounts 52 which are aligned and in which the support shaft 5 is received.
  • This also allows a limited lateral tilting of the seat plate 3 relative to the seat support 2 and achieves an ergonomically favorable, dynamic seating behavior of the seat plate 3 with a nevertheless secure seat feeling for the seat user.
  • FIG. 15 shows the chair seat 1 off FIG. 14 in a cross section along the transverse centerline 12 in FIG FIG. 1 , It is down in FIG. 2 the seat support 2 and above the seat plate 3 recognizable.
  • On the seat plate 3 is a seat foam layer 30, the surface of which forms the seat 33. Laterally, the seat foam layer 30 has a circumferential, drawn down from the seat plate 3 to the seat support 2 edge region 31. Between the seat support 2 and the seat plate 3 is a gap 20th
  • FIG. 16 shows the chair seat 1 off FIG. 14 in a longitudinal section along the longitudinal center line 11 of the chair seat 1.
  • the seat support 2 is located on the left, to which the seat plate 3 extends at a distance and parallel to the right.
  • the seat foam layer 30 is located with the upper-side seat 33rd
  • the support shaft 5 is longitudinally visible cut, which is received in the axle receivers 52, 53.
  • the edge region 31 of the seat foam layer 30 is again present.
  • FIG. 17 shows the chair seat 1 in another embodiment, again in a "transparent" plan view.
  • the chair seat 1 also consists here of the underlying, largely concealed seat support 2 and arranged above it, relative to the seat support 2 limited laterally tiltable seat plate 3.
  • the seat plate 3 about a along the longitudinal center line 11 of the chair seat 1 extending tilt axis 21 relative limited to the seat support 2 tiltably connected to the seat support 2.
  • the seat support 2 is the top side along or parallel to the longitudinal center line 11 of the chair seat 1 extending support shaft 5, here z. B. from a polygonal tube or polygonal rod made of spring steel, so that here the support shaft 5 forms a torsion spring.
  • the seat plate 3 is limited tiltably mounted relative to the seat support 2 and now also sprung in the tilting direction.
  • the seat support 2 has on the upper side a first axle receptacle 52 arranged approximately in its longitudinal center and the seat plate 3 on the underside two second axle receptacles 53 which are spaced apart from one another in the longitudinal axis of the suspension axle and which are aligned with each other and in which the axle 5 is held in a rotationally fixed manner.
  • the seat plate 3 relative to the seat support 2 at a right angle to the longitudinal center line 11 of the chair seat along the transverse center line 12 extending second axis 22 practically not tiltable or only in a very small, not noticeable to the seat occupant dimensions.
  • a running about the longitudinal center line 11 of the chair seat 1, sprung tilting of the seat plate 3 relative to the seat support 2 allows and also achieves an ergonomically favorable, dynamic seating behavior of the seat plate 3 with a safe seating feeling for the seat user.
  • FIG. 18 shows the chair seat 1 off FIG. 17 in a cross section along the transverse centerline 12 in FIG FIG. 17 , Down in FIG. 18 is the seat support 2 and about the seat plate 3 visible. On the seat plate 3 is the seat foam layer 30, the surface of which forms the seat 33. Laterally, the seat foam layer 30 here, too, the peripheral, drawn down from the seat plate 3 to the seat support 2 edge region 31. Between the seat support 2 and the seat plate 3, the gap 20 is located.
  • the support shaft 5 connects the seat plate 3 with the seat support 2 and also forms the tilt axis 21 and a return spring for the tilting movement of the seat plate 3 relative to the seat support second
  • FIG. 19 shows the chair seat 1 off FIG. 17 in a longitudinal section along the longitudinal center line 11 of the chair seat 1.
  • the seat support 2 is located on the left, to which the seat plate 3 extends at a distance and parallel to the right.
  • the seat foam layer 30 is located with the upper-side seat 33rd
  • torsion spring support shaft 5 cut longitudinally visible, which is received rotationally fixed in the axle receivers 52, 53.
  • FIG. 20 shows an enlarged detail of the chair seat 1 after the FIGS. 17 to 19 in cross section. Down in FIG. 7 is a small section of the seat support 2 and above a small section of the seat plate 3 visible.
  • torsion spring support shaft 5 is visible in cross section, here it has the shape of a square bar, which is suitably made of spring steel.
  • FIG. 21 shows the chair seat 1 in a further embodiment, in a cross section along the transverse centerline of the chair seat 1. It is below in FIG. 21 the seat support 2 and above the seat plate 3 recognizable. On the seat plate 3 is the seat foam layer 30, the surface of which forms the seat 33. Laterally, the seat foam layer Here, too, a circumferential, drawn down from the seat plate 3 to the seat support 2 edge region 31.
  • the seat support 2 here is a top side along or parallel to the longitudinal center line of the chair seat 1 in a vertical plane extending leaf spring 6, z. B. spring steel or plastic, connected.
  • the seat plate 3 On the leaf spring 6, the seat plate 3 is mounted limited laterally tiltable relative to the seat support 2.
  • the seat carrier 2 has on the upper side for the leaf spring 6 a first receiving groove 62 receiving a lower leaf spring edge area.
  • the seat plate 3 has on its underside for the leaf spring 6 a second receiving groove 63, which accommodates an upper leaf spring edge region.
  • the leaf spring 6 is held at their longitudinal edges, z. B. in the press fit or glued or fixed by additional connecting means.
  • the leaf spring 6 In a lateral tilting movement of the seat plate 3 relative to the seat support 2, the leaf spring 6 is flexurally bent about its longitudinal axis and thus forms here a virtual tilting axis and at the same time a return spring.
  • FIG. 21 is between the outer, mutually facing edge regions of seat support 2 and seat plate 3 circumferentially arranged a foam filling 32.
  • This foam filling 32 expediently made of a plastic foam, can be a low-resistance foam foam or a foam-filling material that exerts a noticeable spring action, as desired and required.
  • the foam filling 32 also serves to avoid an intervention of a seat occupant with his fingers in the space 20 between the seat support 2 and the seat plate 3, where it could otherwise come under unfavorable circumstances to pinch the fingers. Furthermore, the foam filling 32 dampens the tilting movement of the seat plate 3 relative to the seat support 2 at larger tilt angles and thus avoids disturbing impact noises that would otherwise occur upon impact of the seat plate 3 on the seat support 2.
  • stops 23 may be arranged, which limit the tilting movement of the seat plate 3 relative to the seat support 2.
  • the stops 23 can thereby z.
  • the foam filling 32 and / or the stops 23 can except for the chair seat 1 to FIG. 21 be provided on all other described embodiments of the chair seat 1.
  • FIG. 22 shows the chair seat 1 in a fourth embodiment, again in a "transparent" plan view.
  • the seat plate 3 is about a along the longitudinal centerline 11 of the chair seat 1 extending tilting axis 21 relative to the seat support 2 limited movable seat plate 3 here also from the bottom, here largely hidden seat support 2 and arranged above bounded laterally tiltable with the seat support 2 to the seat support 2.
  • the pressure hose 7 is filled with a pressure medium, preferably air, under a predetermined pressure.
  • the pressure hose 7 has a connection hose 73 with a valve 71, via which pressure medium into the pressure hose 7 can be filled or discharged from the pressure hose 7.
  • pressure medium can, for. B. a here shown schematically, constantly connected or only when needed connectable hand pump 72 serve.
  • the seat plate 3 On the pressure hose 7, the seat plate 3 is limited laterally tiltable and spring mounted relative to the seat support 2.
  • FIG. 23 shows the chair seat 1 off FIG. 22 in a cross section along its transverse center line in a first functional state. Down in FIG. 23 is the seat support 2 and about the seat plate 3 visible. This pressure hose 7 connects the seat plate 3 with the seat support 2 and at the same time forms the tilting axis 21 and a spring for the tilting movement of the seat plate 3 relative to Seat support 2.
  • FIG. 23 the chair seat 1 is shown without load, wherein the pressure hose 7 has a substantially circular cross-sectional shape.
  • FIG. 24 is the chair seat 1 off FIG. 23 in the same way as in FIG. 23 in a second functional state, namely under load, z. B. by a person sitting on the seat plate 3 person shown. Due to the load now the pressure hose 7 has a flattened, oval cross-sectional shape and an increased pressure medium pressure in its interior, which counteracts further flattening.
  • FIG. 25 shows the chair seat 1 off FIG. 22 in longitudinal section along the longitudinal center line 11 of the chair seat 1.
  • the seat support 2 to which the seat plate 3 extends at a distance and parallel to the right.
  • the seat foam layer 30 is located with the upper-side seat 33rd
  • the pressure hose 7 may, for example, be bonded to the seat support 2 on the one hand and to the seat plate 3 on the other hand in order to form the limited movable connection between the seat support 2 and the seat plate 3.
  • the connection hose and the pump off FIG. 22 are omitted here.
  • FIG. 26 shows the chair seat 1 in a further embodiment, in an enlarged partial cross-section. Down in FIG. 26 is a small section of the seat support 2 and above a small section of the seat plate 3 with the seat foam layer 30 and the upper side seat 33 visible. Between seat support 2 and seat plate 3, the gap 20 is located.
  • a groove 82 ' is arranged on the upper side, which runs along or parallel to the running here perpendicular to the plane of the drawing longitudinal center line of the chair seat.
  • a rib-shaped spring 8 which also extends along or parallel to the longitudinal center line of the chair seat in a vertical plane. With its lower edge region, the spring 8 engages in a groove 82 which extends through the elastic intermediate layer 83 in the longitudinal direction thereof. In this way, the seat plate 3 is limited laterally tiltable mounted on the seat support 2 and held.
  • Each tilting of the seat plate 3 relative to the seat support 2 leads to an elastically flexible deformation of at least the elastic intermediate layer 83, whereby a spring counterforce is generated, which tends to return the seat plate 3 in its non-tilted basic position.
  • the elastic intermediate layer 83 can also lead to an elastic bending of the rib-shaped spring 8 with a tilting of the seat plate 3 relative to the seat support 2, whereby also a spring counterforce is generated, which endeavors, the seat plate 3 in its unverkippte basic position return.
  • the rib-shaped spring 8 consists for example of an elastic-flexible plastic, wherein the rest of the seat plate 3 may consist of the same material in order to produce the two parts in one piece.
  • the rib-shaped spring 8 may also be a separately made of a suitable material initially manufactured item, which is then connected to the underside of the seat plate 3, z. B. glued or screwed, is.
  • FIG. 27 shows the chair seat in a further embodiment, in an enlarged partial cross-section. Down in FIG. 27 is a small section of the seat support 2 and above a small section of the seat plate 3 with the seat foam layer 30 and the upper side seat 33 visible. Between seat support 2 and seat plate 3, the gap 20 is located.
  • a groove 82 is arranged on the upper side, which runs along or parallel to the longitudinal center line of the chair seat extending also perpendicular to the plane of the drawing.
  • the groove 82 is here formed by two ribs 81, 81 'extending parallel to one another with a spacing corresponding to the groove width and projecting from the seat carrier 2.
  • FIG. 26 extends from the underside of the seat plate 3 in one piece with this a rib-shaped spring 8, which also extends along the longitudinal center line of the chair seat in a vertical plane. With its lower edge region, the spring 8 engages in the groove 82. In this way, the seat plate 3 is limited laterally tiltable mounted on the seat support 2 and held.
  • the rib-shaped spring 8 and / or the groove 82 defining ribs 81, 81 ' are made of an elastically flexible material, such as plastic.
  • Each tilting of the seat plate 3 relative to the seat support 2 then leads to an elastically-flexible deformation of the rib-shaped spring 8 and / or the groove 82 longitudinally delimiting ribs 81, 81 ', whereby a spring counterforce is generated, which tends to the seat plate 3 in their untilted basic position to bring back.
  • FIGS. 28 to 30 show the chair seat 1 in a further embodiment, in FIG. 28 in a "transparent" top view.
  • Characteristic of this chair seat 1 is that the seat support 2 is formed by an outer frame, that the seat plate 3 is formed by a surface surrounded by the seat support 2 and that the support element by a along the longitudinal center line 11 of the chair seat 1 extending, the seat support and the seat plate 3 connecting, bending elastic material bridge 9 is formed, around which the seat plate 3 is limited laterally tiltable relative to the frame-shaped seat support 2.
  • the chair seat 1 here has a particularly flat design, because the seat support 2 and the seat plate 3 are not superimposed, but arranged in a plane. Only in the lateral tilting of the seat plate 3, this moves left and right relative to the frame-shaped seat support 2 slightly up or down from the common plane out.
  • the seat support 2 and the seat plate 3 are formed here by a one-piece plate made of a flexurally elastic material. Between the seat support 2 and the seat plate 3 are two in plan view C-shaped mirror-symmetrical to the longitudinal center line 11 of the chair seat 1 extending, with their back portions 90 ', 91' respectively outwards, ie in FIG. 28 to the left and right, pointing separating cuts 90, 91 attached.
  • the separating cuts 90, 91 can be produced for example by sawing, milling or laser cutting.
  • bottom and top end portions of the two C-shaped separating cuts 90, 91 extend parallel to each other on both sides of the longitudinal centerline 11 of the chair seat 1. This leaves between these mutually parallel end portions of the separating cuts 90, 91 a flexurally elastic material bridge 9, which forms a tilting axis 21 to which the seat plate 3 is limited laterally tiltable relative to the frame-shaped seat support 2.
  • FIG. 29 shows the chair seat 1 off FIG. 28 in a front view. Visible here is the front edge of the frame-shaped seat support 2, which covers the seat plate 3 lying therein almost completely. On the seat plate 3, a seat foam layer 30 is arranged with an upper-side seat 33.
  • FIG. 30 finally shows the chair seat 1 FIG. 28 in cross section.
  • the frame-shaped seat support 2 is visible, which surrounds the seat plate 3.
  • the separating cuts 90, 91 run.
  • the seat foam layer 30 is arranged with the upper-side seat 33.
  • the tilting axis 21, about which the seat plate 3 is tilted laterally limited relative to the seat support 2, also extends perpendicular to the plane of the drawing.
  • the legs 24 are connected on the underside, of which only the two rear are visible here.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP18184294.9A 2017-07-28 2018-07-18 Chaise Not-in-force EP3434147B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017104508.0U DE202017104508U1 (de) 2017-07-28 2017-07-28 Stuhlsitz und Stuhl
DE202017106864.1U DE202017106864U1 (de) 2017-11-13 2017-11-13 Stuhlsitz und Stuhl

Publications (3)

Publication Number Publication Date
EP3434147A2 true EP3434147A2 (fr) 2019-01-30
EP3434147A3 EP3434147A3 (fr) 2019-03-06
EP3434147B1 EP3434147B1 (fr) 2021-01-27

Family

ID=62986011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18184294.9A Not-in-force EP3434147B1 (fr) 2017-07-28 2018-07-18 Chaise

Country Status (2)

Country Link
EP (1) EP3434147B1 (fr)
DK (1) DK3434147T3 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001760A1 (fr) * 1980-11-17 1982-05-27 Tor Arild Dispositif d'assemblage mecanique universel
US4826247A (en) * 1986-09-26 1989-05-02 The Boeing Company System for assisting a fighter pilot in checking the six-o'clock position
EP0352256B1 (fr) * 1987-03-11 1993-06-02 WALLIN, Jan Dispositif automatique de mise a niveau
DE19507458C2 (de) * 1994-03-04 1999-09-30 Bastian Niemann Sitzmöbel zum aktiven, variablen Sitzen
FI109177B (fi) * 1995-11-09 2002-06-14 Conqueror Group Co Ltd Tuoli
DE29705296U1 (de) * 1997-03-24 1997-05-22 Buchwald, Gerlinde, 79104 Freiburg Separate Sitzauflage für Sitzmöbel
DE202006018862U1 (de) * 2005-12-14 2007-04-19 Tepe-Walser, Silvia Sitzfussplatte
JP2011244955A (ja) * 2010-05-25 2011-12-08 Kokuyo Co Ltd 椅子
WO2013020088A2 (fr) * 2011-08-04 2013-02-07 Cramer Llc Ensembles et procédés de sièges ergonomiques
DE202011105726U1 (de) * 2011-09-16 2011-11-02 Jürgen Zimmermann Sitzmöbel
DE202012006249U1 (de) * 2012-06-28 2013-10-02 Karl-Heinz Brändle Stuhl oder Stützkörper

Also Published As

Publication number Publication date
DK3434147T3 (da) 2021-04-12
EP3434147B1 (fr) 2021-01-27
EP3434147A3 (fr) 2019-03-06

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