EP2887836B1 - Meuble d'assise - Google Patents

Meuble d'assise Download PDF

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Publication number
EP2887836B1
EP2887836B1 EP13785595.3A EP13785595A EP2887836B1 EP 2887836 B1 EP2887836 B1 EP 2887836B1 EP 13785595 A EP13785595 A EP 13785595A EP 2887836 B1 EP2887836 B1 EP 2887836B1
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EP
European Patent Office
Prior art keywords
structural tube
seat
seating surface
seating
approximately
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.)
Not-in-force
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EP13785595.3A
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German (de)
English (en)
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EP2887836A1 (fr
Inventor
Johann Niklas
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
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Individual
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Publication date
Priority claimed from DE202012008088U external-priority patent/DE202012008088U1/de
Priority claimed from DE201220010040 external-priority patent/DE202012010040U1/de
Application filed by Individual filed Critical Individual
Publication of EP2887836A1 publication Critical patent/EP2887836A1/fr
Application granted granted Critical
Publication of EP2887836B1 publication Critical patent/EP2887836B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/021—Rocking chairs having elastic frames
    • A47C3/023—Rocking chairs having elastic frames made of tubular material
    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • 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
    • A47C7/16—Seats made of wooden, plastics, or metal sheet material; Panel seats

Definitions

  • the invention is directed to a chair with a frame, an attached seat and preferably a backrest attached to the seat, wherein between the frame and the seat as the only connection is provided approximately centrally below the seat arranged fastener.
  • the invention is based on seating furniture of all kinds, preferably for individuals, both in the form of chairs, armchairs, stools, both with a frame with a foot and / or rollers, as well as with a fixed frame such as.
  • Most of these seats offer no or very limited suspension, or the suspension is relatively complex as, for example, in height-adjustable office swivel chairs with gas spring or armchairs with mechanical springs, and therefore unsuitable for large-scale production.
  • Most chairs therefore have no suspension or other adjustment, which is often perceived by a person sitting on it long time as very uncomfortable; The attempt to change the posture always stresses the spine because the pelvis does not have any room to move on a rigid seat.
  • already lowing is a burden on the spine, because only the discs can have a cushioning effect.
  • the DE 20 2009 003 927 U1 relates to a chair with a support frame of a tubular profile, wherein the support frame has two spaced apart U-shaped frame sides, and at least one planar or at least two rod-shaped cross members for connecting the two frame sides, and with a removably attached to the support frame, one-piece Seat shell made of a flexible, elastically deformable material such as plastic. At the bottom and / or Rear side of the seat shell are reinforcing webs, which are attached to the top of the support frame. Since the fasteners in question are located near the rear legs of the support frame, this chair has a total of only a low compliance, because only on the very short path between the fasteners and the legs of the support frame deformation would be possible. This chair may therefore be stable; however, it is relatively uncomfortable for lack of any suspension.
  • the DE 723 136 discloses a free-swinging seating furniture, whose frame comprises only two front legs, which are interconnected on their underside by a horizontal, U-shaped bracket. Although such a piece of furniture can swing in the area of the backrest to a limited extent, it is relatively rigid in the area of the front edge of the seat, because there the fastening means of the seat are located relatively close to the front legs. Again, therefore, the seating comfort is limited.
  • WO 2012/020071 A1 describes a chair whose frame bent from a tube resembles a Z in side view. There are only two legs, which strive from the front edge of the seat back and at the same time also move away from each other in the lateral direction. At the lower end of the legs they are bent parallel to each other forward and then extend horizontally and parallel to each other to below the front edge of the seat. At the top of the two legs are connected by an approximately U-shaped bracket with each other, the center bar is located approximately below the backrest. In the underside of the seat is a channel-shaped Vetiefung, wherein the approximately U-shaped bracket is inserted. The seat is therefore supported by the U-shaped bracket on the entire top.
  • this chair can only spring by the sloping middle sections of the legs give something. Because the middle portions of the legs are inclined at an angle of about 45 °, however, such a vertical movement, always connected with a nearly equal motion component in the sitting direction, which is likely to be unusual for most people
  • the frame of the GB 2 462 496 A Previously known chair also has only two legs, which are located almost vertically below the backrest and only slightly inclined from the vertical. At the height of the seat, the two legs are connected by a cross-beam, and at this cross-beam, the rear portion of the seat is fixed.
  • the only suspension option in this chair is probably that the seat could tilt slightly around the rear cross-member, in particular so that its front edge slopes downwards.
  • such a suspension is minimal and connected to a tilt of the seat forward, contrary to the usual operation of a cantilever, which tends to rear under load. Therefore, this chair does not provide sufficient seating comfort.
  • the document DE 20 2008 011 303 U discloses a chair according to the preamble of claim 1.
  • the spars have optimum elasticity if they consist of tubes, for example with a diameter of about 8 mm to 25 mm, in particular from 100 mm to 20 mm, and with a wall thickness of between about 0.4 mm to 4 mm, for example 0, 6 mm to 3 mm, preferably 0.8 mm to 2 mm, in particular 1 mm to 1.5 mm.
  • At least one planar, preferably horizontal abutment surface is provided on the first fastening means for connection to the underside of the seat surface.
  • At least one level contact surface thus serves for full-surface support of the seat bottom.
  • a contact surface may extend over a range of about 4 cm x 4 cm up to about 16 cm x 16 cm, with any intermediate sizes and formats, for example in a range of 5 cm x 5 cm up to 15 cm x 15 cm, preferably in a range of 8 cm x 8 cm up to 12 cm x 12 cm.
  • the total area can also be divided into two or more, not directly related partial areas.
  • connection between the fastener and the respective pipe sections can be effected in a variety of ways, for example, by welding a flat plate on top of the adjacent tubes, especially a connection technique shows advantageous properties, wherein the first fastening means engages around the associated spar sections on the underside thereof ,
  • the sheet-metal or plate-shaped fastening means conceals an otherwise possibly visible weld seam or gluing point from below, that is to say from the visible side.
  • the first fastening means should bend upwards on both sides of the associated spar sections and finally into a horizontal plane, thereby approaching the underside of the seating surface on both sides of the underrun spar sections which it should finally support with its flat horizontal surfaces.
  • the invention can be further developed to the effect that the first fastening means on each side of the undercut Holmabitese each has a flat contact surface, which preferably od one or more through holes for receiving screws. Like. Has. These through holes passing through screws can be screwed into the seat base and anchored there, and by tightening the same, the contact surfaces are fixed and thus frictional pressed against the underside of the seat, resulting in a total of an extremely intimate and firm connection.
  • other connecting means could be used, for example rivets or cones or glue, or several of these.
  • the invention is preferably characterized in that the two fixed to the first fastening means Holmabitese continue only on one side and preferably represent the ends of a common, multi-curved spar. In that case, if the ends of a single beam are bent towards each other and connected together - either indirectly through the fastening body according to the invention or directly by welding the beam ends together - this results in a doubly coherent loop, which gives the construction maximum stability.
  • the two Holmabitese connected to the first fastening means can be arranged side by side extending and / or are in contact, in particular welded together.
  • the two spar sections with each other before their contact with the fastener fastener of the invention is not part of the spar structure, but only connected to that, and therefore does not contribute to their stability, but is on the contrary stabilized by that.
  • two adjacent spar sections, which are approximately parallel to one another, offer a high degree of stability in relation to a lateral tilting of the seat surface.
  • the two leg sections fixed to the first fastener may extend entirely or predominantly forward or backward away from the first fastener within an approximately horizontal plane, but without any direct contact with the seat surface.
  • This can preferably be effected by the spar plane being accurate taken just not exactly aligned horizontally, but starting from the first fastener is inclined slightly downwards in the course of emanating from there Holmabitese, for example, at an angle of 2 ° or more, preferably at an angle of 5 ° or more, in particular below an angle of 10 ° or more.
  • this angle of inclination need not be too great, that is, for example, not greater than 40 °, preferably not greater than 30 °, in particular not greater than 20 °.
  • a resulting distance between the spars and the seat provides sufficient leeway for tilting and / or tilting movements forward, backward or sideways.
  • In the area of the front or rear seat edge or the backrest is then sufficient space available to continue the spars down, in the limit to the ground contact surface of the frame, but in the most indirect way, so that a particularly long elastic deformation area within the frame results in what the suspension additionally supports.
  • the two leg sections fixed to the first fastening means extend forwards or backwards away from the first fastening means within an approximately horizontal, but preferably slightly inclined plane, as previously described, but without any, direct contact with the seat.
  • both spar sections straight forward or back they are aligned within the approximately horizontal, but preferably slightly inclined plane parallel to each other and can be easily connected to each other if necessary, in particular even linear, for example.
  • a preferred embodiment of the invention is that the two fixed to the first fastening means Holmabête in the region of diverge from the front or rear seat edge in opposite directions, but without any direct contact with the seat surface.
  • the spar sections strive there to the two nearest chair or seat legs, but not to connect to those and / or go into those.
  • the divergence of the spars takes place only in the rear region of the seat, there is a relatively long parallel course of the two bar ends, which can be connected to each other over a longer distance, in order to maximize the stability of the frame.
  • the diverging divider sections should then extend forwards or backwards in the region of each side edge of the seat, but also without any direct contact with the seat surface.
  • a larger, approximately U-shaped spar structure is created in each case, which has good resilient properties by the available spring travel further extended and thus the suspension is made even softer.
  • These bends in the area of the seat front or rear edge can be configured as two separate 90 ° bends or as a single 180 ° bend.
  • the two fixed to the first fastener spar sections extending away from the flat plate within an approximately horizontal plane in or against the seat direction forward or backward, but diverge from each other, preferably at an angle between 60 ° and 120 °, and without forming a direct contact with the seat.
  • this embodiment also offers good stability in conjunction with optimum suspension.
  • the diverging divider sections run in the region of each side edge the seat upwards and then at the level of an armrest forward, but again without any direct contact with the seat. This even further measure makes the horizontal sections of the spars as armrests and gives them a high degree of multi-functionality, namely as part of the frame on the one hand, as an additional spring travel on the other hand, and as an armrest on top of that.
  • the arm sections running forwards or backwards in antiparallel to the first spar sections may have a bend approximately in the region of a respective front or rear corner of the seat and from there on a section running vertically or obliquely downwards, but again without any direct contact with the section seat.
  • the spar sections now continue directly as chair or seat legs.
  • the vertical spar sections in the area below each corner of the seat by a flat, horizontal, approximately U-shaped bracket connected in or against the sitting direction legs and a subsequent, transverse to the seating direction web connected together are.
  • This U-shaped bracket runs in the use of the chair parallel to the floor and can rest directly on that or by means of spacers as feet selectively supported thereon.
  • the invention further provides that along the side edges of the seat parallel to each other or from there bent down spar sections are finally bent towards each other to a common flight and combined with each other, in particular to a single part.
  • the entire spar has the shape of a frame and therefore enjoys the highest degree of mechanical stability.
  • Such a frame-shaped Holmverlauf additionally offers the possibility that the combined Holmabitese are connected in the region of a straight stretched rail section with the lower or actual frame.
  • the lower or actual frame is fixed to an outer peripheral region of the frame, the seat, however, at the two in the center of the frame in bent bar ends. This structure produces a maximum of suspension.
  • connection (s) of the strut sections joined together should be arranged with the frame symmetrical to a vertical plane running centrally in the seat direction.
  • the frame is supported symmetrically on the frame and can communicate this horizontal alignment of the load-bearing seat or shell.
  • This can be realized, for example, by connecting the lateral spar sections to a respective part or section of the frame. This provides a maximum degree of stability, because in such case, the outermost lateral frame parts can be supported on a respective side part of the frame.
  • the side spar sections can each be connected to a parallel spar of the frame, the ends of which are bent down to form one foot each.
  • the two side parts of the frame can be separated from each other and connected only by the frame-shaped, upper spar member. This connection can be made, for example, by welding, by gluing or otherwise.
  • a spar section extending transversely to the seat direction may be connected to a part or section of the frame. It is the continuous spar section, which - measured along the Holmverlaufs - has a maximum distance to the two bar ends.
  • Such a central fastening is possible, for example, by providing a second fastening means, in particular a fastening plate, on a spar section extending transversely to the seating direction. There can then be connected to the lower or actual frame, while the upper spar section primarily serves the suspension.
  • a second fastening means in particular a fastening plate
  • the invention recommends that the second attachment means, in particular the attachment plate, has one or more planar contact surface (s), in particular on its (its) underside. Since the upper spar section or spring frame rests on top of the actual frame, the underside of the fastening means facing the frame to be connected and therefore has the appropriate contact surface (s).
  • the second fastening means should engage around the spar section to be connected at its upper side so that a connection point between the spar section to be connected and the fastening means, for example a weld, an adhesive bond or the like, is concealed from the visible side - ie from above.
  • the second fastening means should each have a planar contact surface on both sides of the overlapped spar section, wherein preferably one or more through-openings are respectively for inserting screws or the like.
  • screws especially machine screws, can be an intimate and thus extremely strong connection with the lower or actual frame section produce.
  • Two such, partially spaced plant sub-areas offer the advantage of a particularly high lateral stability, measured transversely to the respective spar section.
  • a planar counterpart to the contact surface or to the contact part surfaces of the second fastening means is provided on the frame.
  • This may be a body with at least one planar, preferably upper-side (abutment) surface on which the frame-side abutment surface can be fully supported.
  • the planar counterpart could be designed as a plate, in particular of metal.
  • the planar abutment surface on the second attachment means can be connected to the planar counterpart on the frame, for example by screwing, Preferably, by means of at least two perpendicular to the contact plane screws which are arranged in particular mirror images of each other with respect to the seating direction in the center line of the seat.
  • screw connections are generally detachable, the frame can be separated from the seat at this point, if necessary, for example to facilitate transport.
  • the body or the plate of the planar counterpart to the connection surface of the second fastening element should be connected to an approximately vertically extending portion of the frame, in particular welded.
  • the body or the plate rests on the frame and is supported by that in the vertical direction.
  • a vertically extending portion of the frame is connected to a foot. It can be both a single, central foot, as well as several, decentralized feet, which each carry a chair of the seat leg.
  • the invention can be further developed such that between a vertically extending portion and the foot of a vertically acting suspension is provided, for example.
  • a roller bearing Such refinements are due to the associated effort especially for a single, central foot, which receives the entire weight of the chair.
  • a foot has one or more rollers, preferably steerable rollers.
  • an inventive seating furniture is extremely versatile and can drive thanks to its preferably steerable rollers in all horizontal directions, also thanks to its rotary connection to rotate about a vertical axis, thanks to a gas spring od.
  • a gas spring od Like. Fed in the vertical direction and thanks to its spar structure according to the invention itself tilt or tilt forward, backward and to the side.
  • the spar construction can also support or even replace the gas spring in the vertical suspension.
  • the invention can be further developed that between the frame and the seat as the sole connection a arranged below the seat, is provided extending transversely to the sitting direction leaf spring, the is set approximately centrally on the top of the frame and whose end portions are connected to the underside of the seat.
  • Such a leaf spring is on the one hand mechanically very simple and can therefore be realized with little effort;
  • the restoring spring force can be adapted to the average weight of a person sitting on it, such that an adjustment is perceived as comfortable and, on the other hand, after a deflection, the seat surface returns to its neutral initial state upon release, ready for repeated use.
  • This type of suspension dispenses with both mutually movable elements as well as the use of auxiliary energy and is therefore basically everywhere and anytime wear-free available.
  • each end of the leaf spring has proven to be favorable that with each end of the leaf spring to about a right-angled leg is connected, for example. Welded that results in an overall H-shaped structure. In such a structure, there is the possibility that only the two free ends of each leg are connected to the underside of the seat. In this case, the central anchoring point of the connection points at the free ends of the H-legs is maximally far away, resulting in an optimal spring action.
  • each leaf spring can be further developed in that in the middle of each leaf spring, a flat, preferably horizontal contact surface is provided for connection to the frame. This allows mounting on a flat contact surface of the frame as a flat counterpart to the contact surface. The adjacent surfaces thus cause a Guiding the leaf spring on the frame and thus serve to specify a precise horizontal alignment of the leaf spring in its neutral position.
  • the flat counterpart comprises a body with a planar contact surface, preferably a plate, in particular of metal.
  • the two contact surfaces can preferably have approximately the same outlines, that is to say preferably approximately the same shape and size.
  • the body or the plate of the planar counterpart can be connected to two approximately horizontally extending spar sections of the frame, in particular welded. This connection should have sufficient stability and rigidity, because according to the invention the mobility results exclusively from the flexibility of the leaf spring itself. For horizontal struts are best suited to which the body or the plate according to the invention can rest flat and thus positively supported.
  • the two spar sections can continue on both sides up to a respective leg of the seating frame, preferably in an approximately horizontal plane, until they preferably pass through a bend in each leg. This can be made with the simplest means a full and thus stable frame.
  • Each foot is connected by an approximately horizontal spar section with the central attachment body.
  • Another embodiment of the invention provides that the two spar sections extend away from the flat plate within an approximately horizontal plane against the seat direction to the rear, but diverge from each other, preferably at an angle between 60 ° and 120 °, and without one to form direct contact with the seat.
  • this embodiment also offers good stability in conjunction with optimum suspension.
  • Fig. 1 represents the simplest embodiment of a seat according to the invention 1, which has no moving parts except the suspension according to the invention.
  • Each seat 1 according to the invention is subdivided into two sections - the actual seat part 2 and a frame 3 supporting it.
  • the seat part 2 comprises the actual seat 4 and usually a backrest 5, except in the case of a stool or stool.
  • Seat surface 4 and backrest 5 are connected together to form a unit, for example.
  • Their supporting unit can be made by deformation of an initially flat part, for example. From a wooden plate, which can be bent under the influence of heat, pressure and moisture, or it is already originally formed in this form, so for example.
  • the top of the seat 4 and the front of the backrest 5 may be upholstered. Other properties such as, for example, fabric, etc., are arbitrary.
  • the present invention can be configured such that one and the same seat shell 2 can be connected to different frames 3. This is possible in principle because the connection 6 between the seat part or shell 2 on the one hand and the frame 3 on the other hand can be designed to be generally detachable.
  • the compound 6 in the frame standardized in a product series, so that all seats 2 of the relevant product series are compatible with all frame shapes 3. Accordingly, the seat 2 is in all types of seats - ie the vieffederigen chair 1 Fig. 2 to 4 , the simple cantilever 1 'after Fig. 5 to 7 , the armrest cantilever 1 "after Fig. 8 to 10 , and the swivel chair 1 (3) Fig. 11 and 12 - shown identically.
  • These chair types according to the invention differ only with regard to their respective frame 3, 3 ', 3 ", 3 (3) , while seat part or shell 2 can always be the same.
  • seat parts or shells 2 with each frame 3, 3 ', 3 ", 3 (3) are combined, so seat parts or shells 2 with high backrest 5, which support the head of the seated person, on seat parts or shells 2 with lower backrest 5, which extends to a person only to the shoulders, to seat parts or shells 2 with a relatively small backrest 5, which supports only the central and / or lower back area, if it makes sense even seat parts 2 are used entirely without backrest 5, which gives a kind of stool.
  • a spar structure 6 according to the invention is used for connecting the seat part or the seat pan 2 to the frame 3, 3 ', 3 ", 3 (3), distortion, from a metal tube, which may have an outer diameter of for example 10 mm to 20 mm and a shell thickness of For example, 0.5 mm to 2 mm, and which is therefore elastic to a limited extent, that is resilient, is.
  • a first, upper-side fastening means 7 for connection to the underside of the chassis of the seat or seat 2.
  • This fastener 7 is preferably a sheet-like part 7 such as a metal sheet or a metal plate, the is fixed to the spar structure 6, for example, welded or glued.
  • this plate 7 is not completely flat, but is bent several times.
  • a central region 8 of the plate 7 engages under two adjacent and mutually parallel end portions 9 of the spar 6. Therefore, from the visible side - ie from below - can not be seen that these bar ends 9 are connected by means of welds with the plate 7.
  • the plate 7 bends upward, and finally on a plane with or above the top of the two bar ends 9 again horizontally outwards, ie away from the bar ends 9.
  • This lateral end portions 10 of the plate 7 lie in a common plane and each form an upper side (partial) contact surface, whereupon the underside of the chassis of the seat 2 rests flat. Since the first attachment means 7 is located approximately midway below the seat 2, it can support the weight of a person sitting thereon well, i. absorb with low tilting forces.
  • the plate 7 has a rectangular or square blank with four corners 11, in each of which a through hole 12 for passing through each one fastening screw 13 is located.
  • Fig. 3 consists of the actual frame 3 a total of two bars 14, preferably with a tubular hollow cross-section.
  • the two ends of a spar 14 form the two right feet 15 of the chair 1, the two ends of the other spar 14 form its two left feet 15. From the bottom-side feet 15 they extend in the form of each preferably straight leg 16 up to approximately to the maximum height of the frame 3 or just below, and then bend in a horizontal direction, from the rear feet 15 approximately in the seat direction forward, from the front feet 15 approximately against the sitting direction to the rear.
  • Two such horizontal struts 17 above the bends 18 meet on each side of the chair 1 and thus each form an approximately U-shaped unit.
  • Jeses of these two frame parts 19 thus each has an overhead, in the seat direction approximately horizontally extending web 20, 21.
  • These webs 20, 21 serve the connection with the resilient spar construction 6 according to the invention.
  • the spar structure 6 itself consists in the illustrated embodiment only of a single spar 22 which is bent into a frame 23.
  • the two adjacent bar sections 24 extend rearwards against the seat direction, inclined downwards by a small angle of, for example, about 5 ° to 25 °.
  • these Holmabitese 24 each have a bend 25 within an approximately horizontal plane to each about 90 °, in abgtewandten, anti-parallel to the outside.
  • straight course 26 then follows approximately below the respective corner 27 of the seat 2 per a further bend 28 within a horizontal plane by about 90 ° to the front.
  • the two spar halves 22 extend parallel to each other below the side edges of the seat 2, but without a connection with that, but at a distance of, for example, 1 to 3 cm below that.
  • Shortly behind the front seat edge 30 follows for the two beam halves 22 each have a further horizontal bend 31 by about 90 ° and indeed to the median plane of Sutz ceremoniess 1 out, so towards each other, and here unite the two halves of the wood 22 finally together and form there as a central portion a transversely to the seat direction extending spar portion 32. Due to this geometry, the overall structure of a flat frame 23 results in about a horizontal plane.
  • the two horizontal, parallel to the seating direction portions 20, 21 of both frame parts 19 extend at about the same height in each case adjacent to a lateral, pointing in the seat direction rail section 29 of the frame 23 and are directly on that and are there directly connected to that preferably by a weld ,
  • the two frame halves 19 together with the frame 23 form a unitary, inherently rigid frame 3.
  • Such a movement can be triggered by a person sitting on the chair 1 by a weight shift, because the spar structure 6 can yield unilaterally at a then asymmetric load.
  • the spar structure 6 twists in a symmetrical manner several times, namely in the spar sections 24 - 29.
  • the spar structure bends in an asymmetric manner, namely on one side and on the top others down. Since these two movements - twisting and bending - can overlap, a tilt in any direction is possible, for example, also diagonal. This allows a person to change their sitting position without causing the vertebrae in the spine to perform a complex, multiple bend so that the discs are protected from excessive local compressive stresses.
  • the spar structure 6 can perform a vertical movement and cushion, which is especially when sitting down the spine of the person concerned is saved from sudden compression; This protects the intervertebral discs.
  • the frame 3', 3", 3 (3) , 3 (4) instead of two frame halves 19 of only a single, continuous beam 19th ', 19 ", 19 (3) , 19 (4) , which is also integrated with the resilient spar structure 6.
  • the fastening means 7 is also supported in this case by the two end regions 9 of the spar 6 ', 19'. These two end portions 9 extend parallel to each other horizontally and against the sitting direction to the rear; they are at the same height and directly adjoin one another. These two end portions 9 are connected to each other, for example. Welded or glued together, optionally also screwed together or riveted. They form the basis for the launched, horizontally oriented plate 7, which, however, also in this case, the two bar ends 9 under and does not overlap.
  • the two adjacent spar sections 24 extend from the fastening means 7 to the rear approximately to below the backrest 5 or shortly before; There they bend horizontally by about 90 °, in opposite directions, the left pipe section 24 to the left Chair side out, the right spar section 24 to the right side of the chair. After the bends 25, these two spar sections 26 extend in a common alignment, which points transversely to the seating direction.
  • the two beam sections 26 turn again, again by about 90 °, this time approximately parallel to the side edges of the seat surface 4 forward.
  • the adjoining strut sections 29 thus run forward, preferably approximately vertically below the respective side edge of the seat surface 4.
  • this chair form 1 ' is given in addition to the suspension through the upper spar structure 6' nor a further suspension in an approximately vertical direction through the cantilever construction. Due to the ability of the multiply bent within a substantially horizontal plane spar structure 6 ', the seat 4 with respect to the frame 3' to tilt backwards or forwards, which is usually present in a cantilever tendency for a combined vertical and tilting movement be partially compensated, so that even a pure vertical movement without simultaneous Eückier inclination of the seat 4 is possible.
  • these spar sections 29 "then bend downwards, relative to the direction of the first spar sections 24", preferably by more than 90 °, for example by an angle between 120 ° and 150 ° towards the front, but at the same time also obliquely below. Arrived at the footprint, there is a further bend to the rear, preferably also at an angle between 120 ° and 150 °. Finally, the two beam halves 22 "unite again approximately below the backrest 5 by a transversely extending to the sitting direction web 37".
  • This chair shape 1 "has the advantage of being simultaneously a cantilever and still get along without front legs, so that such a chair 1" lifted, for example, for cleaning purposes with its seat 4 on a table top and placed there.
  • the two beam halves 22 each deflect downward within an approximately vertical plane extending in the seating direction, but preferably more than 90 ° relative to the direction of the first beam sections 24 ( FIG. 3) , for example by an angle between 120 ° and 150 ° to the front, but at the same time also diagonally down. Arrived at the footprint, there is a further bend to the rear, preferably also at an angle between 120 ° and 150 °. Finally, the two beam halves 22 (3) again unite approximately below the backrest 5 by a transverse to the sitting direction web 37 (3) . Also, this seat mold 1 (3) combines the advantages of being simultaneously a cantilever and still get along without front legs, so that such a seat 1 (3), for example, for cleaning purposes with its seat 4 lifted on a table top and sold there.
  • seat 1 (4) deflects at the seat Fig. 10 the two beam halves 22 (4) approximately below the two rear corners 27 of the seat 4 each within an approximately vertical, running in the seat direction plane by about 90 ° downwards, but neither appreciably forward nor appreciably backwards, but rather vertically close below. Arrived at the footprint, there is a further bend forward, again by an angle of about 90 °. Finally, the two spar halves 22 (4) unite approximately below the front edge 30 of the seat surface 4 by a transverse to the sitting direction web 37 (4) .
  • This seat shape 1 (4) is also a cantilever and yet comes without front legs, so that even such a seat 1 (4) could be lifted with its seat 4 on a table top and sold there.
  • Another cantilever 1 (5) show the Fig. 11 to 13 , This shows a slightly different course of the spar 19 (5) between the two bar ends 9 (5) on the one hand and the respective chair legs 34 (5) , while the U-shaped bottom part 38 (5) is identical to the cantilever 1 '.
  • the two armrests 42 then bend approximately vertically downwards.
  • Each of the bends 44 is followed by an approximately vertical spar section 45. If the latter has reached or pierced the plane of the seat surface 4, a bend 46 in turn follows in a horizontal plane. From there on, the course of either the frame 3 'from the Fig. 5 to 7 same, or after the bend 46 strives each spar section 47 then straight to the mounting plate 7 (5) supporting central region, ie in approximately diagonal direction forward to about midway under the seat 4.
  • the two bar ends 9 (5) then directly be attached to the underside of a trained example as angle iron plate 7 (5) , so for example, welded, glued, screwed or riveted; they are preferred However, from the plate 7 (5) under attack od a.
  • a trained example as angle iron plate 7 (5) so for example, welded, glued, screwed or riveted; they are preferred However, from the plate 7 (5) under attack od a.
  • Fastening technology to the visible side - ie down - hidden and only laterally next to the respective spar sections 9 (5) upwards towards the seat bottom and there again in the Horizontal is bent over. Because of their approximately diagonal course, the longitudinal axes of the two bar ends 9 (5) form an angle with one another, for example of the order of 30 ° to 150 °, preferably of the order of 60 ° to 120 °, in particular of the order of 90 ° °.
  • this chair assembly 1 ( FIG. 6) not only has a seat surface 4 and a backrest 5, but preferably also, though not necessarily, lateral armrests 48.
  • the spar structure 6 (6) is similar (to the previously described embodiments, with a first fastening means 7 (6), and fixed thereto tube ends 9 (6) and rearwardly therefrom away aspiring pipe sections 24 6 ) followed by a first bend 25 (6) laterally outward, a short run 26 (6) transverse to the seat direction, to about below each rear corner 27 of the seat surface 4; there then takes place respectively a bend 28 (6) forward and an approximately horizontal course 29 (6) in the seat direction.
  • a second fastening means 55 is arranged in the middle of the transverse, continuous spar section 32 (6) .
  • This is similar to the first fastening means 7 (6) designed, but overturned by 180 °.
  • the second attachment means 55 has a planar shape, preferably the shape of a plate, in particular of metal.
  • this plate 55 is not flat, but rather spans the spar portion 32 ( FIG. 6) centrally, and is bent down on both sides thereof and finally bent horizontally outwardly at a lower level.
  • the central region 56 is higher than the two lateral end regions 57, the undersides of which serve as analgesia surfaces for connection to the actual frame 3 (6) .
  • Fig. 15 can also be seen the frame 3 (6).
  • These are essentially the frame of a conventional (office) swivel chair, consisting of a vertical, tubular portion 49 in the middle, of which project in the lower region five feet 50 at intermediate angles of 72 ° approximately horizontally.
  • a roller 51 rotatable about a vertical axis is arranged, so that the frame 3 (6) can travel in any direction thanks to its five rollers 51.
  • a height-adjustable inner tube 52 is telescopically received and guided.
  • the inner tube 52 can be rotated about its vertical axis relative to the outer tube 49.
  • a precise bearing can be achieved, for example, by means of one or more, arranged between sliding or ball bearings. As a result, a pivoting of the seat direction is possible.
  • a spring may be arranged between the outer tube 49 and the inner tube 52, for example a gas spring, so that the seat assembly 2 (6) is cushioned in the vertical direction.
  • a gas spring By adjusting the volume of air in the gas spring by means of an actuating lever 53, the height of the frame 3 (6) and thus the seat height of the body size of the person taking a seat can be adjusted; the valve operated by the operating lever 53 is located in a valve control assembly 54 at the upper end of the inner tube 52.
  • the inventive spar construction 6 (6) in the form of the frame 23 (6) .
  • the counterpart 59 to the second fastening means 55 is arranged on top of the inner tube 52 or on the valve control assembly 54.
  • This may be a plate 59 with through-holes on the sides or in the corners for passing screws 60 therethrough.
  • the valve control assembly 54 may have respective vertically extending grooves at the four corners.
  • Fig. 17 represents a simple embodiment of a seat 101 according to the invention, which has no moving parts other than the suspension according to the invention.
  • Each seating 101 according to the invention is subdivided into two sections - the actual seat part 102 and a frame 103 supporting it.
  • the seat part 102 comprises the actual seat 104 and usually a backrest 105, except in the case of a stool or stool.
  • Seat 104 and backrest 105 are connected together to form a unit, for example.
  • Their supporting unit can be made by deformation of an initially flat part, for example. From a wooden plate, which can be bent under the influence of heat, pressure and moisture, or it is already originally formed in this form, so for example.
  • the top of the seat 104 and the front of the back 105 may be upholstered. Other properties such as, for example, fabric, etc., are arbitrary.
  • the present invention can be configured such that one and the same seat shell 102 can be connected to different frames 103.
  • the connection 106 between the seat part or shell 102 on the one hand and the frame 103 on the other hand is designed to be generally detachable.
  • the connection 106 may be standardized within a product range, so that all seat shells 102 of the relevant product series are compatible with all frame shapes 103.
  • the seat 102 is in all types of seats - ie the four-legged chair 101 Fig. 18 to 20 , the simple cantilever 101 'after Fig. 21 to 23 , and the armrest cantilever 101 "after FIGS. 24 to 26 - shown identically.
  • These chair types according to the invention differ only with regard to their respective frame 103, 103 ', 103 ", while seat part or shell 102 can always be the same.
  • seat parts or shells 102 can be combined with each frame 103, 103 ', 103 ", ie seat parts or shells 102 with high backrest 105, which support the head of the seated person, via seat parts or shells 102 with a lower one Backrest 105, which extends to a person only to the shoulders, to seat parts or shells 102 with a relatively small backrest 105, which supports only the central and / or lower back area; If this makes sense, even seat parts 102 can be used entirely without backrest 105, which gives a kind of stool.
  • connection between the seat part or shell 2 on the one hand and the frame 103, 103 ', 103 "on the other hand consists of an attached to the seat part or the seat 102 adapter 107 and a compatible counterpart 108 on the frame 103, 103', 103".
  • the adapter 107 is made of a solid material such as preferably metal. Also, the adapter 107 may be independent of the shape of the seat portion or seat 102 on the one hand and the stand 103, 103 ', 103 "on the other hand.
  • the adapter 107 consists of three sections, namely a leaf spring 109 extending transversely to the seating direction and two side limbs 110 fixed at the ends thereof.
  • the leaf spring 109 and the side limbs 110 each have a flat cross section corresponding to a flat iron; While the side legs 110 could also consist of one angle iron each, the leaf spring 109 should be completely flat in order to be able to bend as much as possible.
  • the length of the leaf spring 109 should not be greater than the width of the seat 104 so as not to protrude laterally, and the side legs 110 should be shorter than the longitudinal extent of the seat 104 measured in the seating direction or at most as long as the latter.
  • the invention recommends to use a steel with a large range of elasticity, which can deform relatively strong under load, but always returns after relief to its original shape, without suffering a permanent deformation.
  • H-shaped adapter 107 is flat overall, he could, for example, be cut out of a single metal plate, for example. By laser cutting, and thus be made in one piece.
  • the H-shaped adapter 107 is probably composed of three individual profile parts as a leaf spring 109 and side legs 110. The connection of these parts can, for example, be done by welding.
  • the H-shaped adapter 107 will be symmetrical with respect to a mid-perpendicular of the leaf spring 109, ie, the two side legs 110 are identical or at least mirror-image to each other, and the attachment points 111 of the leaf spring 109 are also mirror images of each other.
  • the two side legs 110 are parallel to each other. However, they could also run obliquely to one another, that is, for example, converge toward one another forwards or backwards.
  • the two attachment points 111 on which the leaf spring 109 is connected to the two side limbs 110 are preferably at or in the vicinity of the longitudinal center the side leg 110; Ideally, the H-shaped adapter can thereby also have a symmetry with respect to the longitudinal axis of the leaf spring 109.
  • the side legs 110 have respective through holes 112 near their ends for inserting screws 113 or other fastening means.
  • the seat part 102 consists of, for example, covered metal, there can be formed, for example, on the seat surfaces 104 downwardly projecting threaded pins on which the H-shaped adapter is then plugged with its through holes 112 and finally fixed by nuts.
  • the supporting part of the seat part 102 is made of a different material, such as wood or plastic, wood screws can be used instead or the like.
  • the leaf spring 109 can be reinforced in the region of the contact surface 114, preferably have a greater thickness in particular by at least one stiffening plate 115 mounted underneath the leaf spring 109 and which may for example be welded, glued, screwed or riveted under the leaf spring 109.
  • the stiffening plate 115 has a rectangular circumference whose longitudinal direction is parallel to the longitudinal direction of the Leaf spring 109.
  • the contact surface 114 is formed in such case by the flat bottom of the stiffening plate 115.
  • a stiffening body could also be used with a different shape. Of particular importance is its at least partially planar bottom as a contact surface 114 for the frame 103, 103 ', 103 ".
  • the actual connection of the adapter 107 to the frame 103, 103 ', 103 is preferred, although not mandatory, releasably designed and preferably by means of screws 116, preferably threaded screws, which from below into threaded holes of the leaf spring 109 and possibly a stiffening plate 115th
  • screws 116 preferably threaded screws, which from below into threaded holes of the leaf spring 109 and possibly a stiffening plate 115th
  • a stiffening plate 115 or a stiffening body fulfills a dual function: On the one hand, a flat contact surface 114 is ensured in spite of bending of the leaf spring 109, and on the other hand, the threaded bores for the screws 116 can penetrate both the stiffening plate 115 and the leaf spring 109 and, if so, permit the use of relatively long screws 116, thereby improving the overall stability of the assembly.
  • a flat plate 117 is clamped between the contact surface 114 and the undersides of the heads of the screws 116, which serves as a counterpart 108 to the adapter 107.
  • the plates 115, 117 are approximately the same size and circumference.
  • the plate 117 is provided with through holes, which are aligned with the threaded bores for the screws 116, but preferably have no internal thread.
  • the plates 115, 117 may also have a wider, for example square, shape. In this case, the leaf fields 109 itself in Area of the plates 115, 117 have a thickening in the horizontal direction, and also the contact surface 114 is rather square.
  • the plate 117 may be different from the frame 103, 103 ', 103 "to the frame 103, 103', 103".
  • this could be formed in certain embodiments as an angle iron, with a horizontal and a downwardly projecting leg.
  • the flat, horizontal top side is the flat, horizontal top side as a counterpart to the flat connection surface 114 on the underside of the adapter 107 and one or more fastening options, in particular fastening bores for screwing on the adapter 107.
  • the plate 117 which serves as a counterpart 108 to the adapter 107, is fixed, for example welded or glued, approximately in the center on top of the frame 103, 103 ', 103 ", but it could also be screwed, riveted or otherwise fastened.
  • the frame 103, 103 ', 103 In order to support the plate 117, the frame 103, 103 ', 103 "has an upper-side central region 118, preferably with an approximately horizontal course., But from this central region 118, the frame 103, 103', 103" can follow in completely different ways extend down to the ground:
  • the frame 103 consists of a total of two bars 119, preferably with a tubular hollow cross-section.
  • the two ends of a spar 119 form the two right feet 120 of the chair 101, the two ends of the other leg 119 form the two left feet 120.
  • From the bottom-side feet 120 they extend in the form of a preferably straight straight leg 121 up to about to the maximum height of the frame 103 or just below it, and then turn in a horizontal direction about, approximately in the diagonal direction, with respect to the approximately square seat surface 104.
  • these approximately horizontal struts 122 above the bends 123 do not meet in one point, but strive in pairs one of two merge points 124, 125, namely one front merge point 124 for the two front chair legs 121, and a rearward merge point 125 for the two rear chair legs 121.
  • the two spars 119 then turn into seat parallel sections 126 at the front merge point 124 to the rear, and at the rear junction point 125 forward.
  • These sections 126 parallel to the seat direction then represent the upper-side middle region 118 of the frame 103, where in each case the struts 122 associated with the chair legs 121 of one side merge into one another and thus form a single, common rail 119.
  • the two horizontal, parallel to the seating direction portions 126 of two bars 119 extend at the same height next to each other and are directly adjacent to each other and are there preferably directly connected by a weld 127.
  • the two spars 119 form a uniform, inherently rigid frame 103 with an upper-side central region 118.
  • the horizontal plate 117 rests on both sections 126 of the spars 119 and is firmly connected to those, preferably by welding or gluing, if necessary by screwing or riveting od.
  • Such a movement can be triggered by a person sitting on the chair 101 by a weight shift, because the leaf spring 109 can yield unilaterally at a then asymmetric load.
  • the leaf spring 109 twists twice, that is, once in her left arm and in mirror image once in her right arm.
  • the leaf spring 109 bends twice, namely in one arm up and in the other down. Since these two movements - twisting and bending - can overlap, a tilt in any direction is possible, for example, also diagonal. This allows a person to change their sitting position without causing the vertebrae in the spine to perform a complex, multiple bend so that the discs are protected from excessive local compressive stresses.
  • the leaf spring 109 may even cause a vertical cushioning, which in particular when taking the spine of person is kept from sudden compressions; This protects the intervertebral discs.
  • the raised central portion 118 ' is formed in this case by the two end portions 128 of the spar 119'. These two end portions 128 are parallel to each other horizontally and in the seat direction; they are at the same height and directly adjoin one another. These two end portions 128 are connected to each other, for example. Welded or glued together, optionally also bolted together or riveted. They form the basis for the laid-up, horizontally oriented plate 117 as a counterpart to the adapter 107. The plate 117 is connected to the middle part 118 'formed by the end regions 128, for example welded or glued, possibly also screwed or riveted.
  • the two spar sections 128 While the two end faces 129 of the spar 119 'facing forward, the two spar sections 128 extend from the central region 118' backwards to just below the backrest 105 or shortly before; there they bend horizontally about 90 °, in opposite directions, the left tube section 128 towards the left side of the chair, the right side section 128 towards the right side of the chair. After the bends 130, these two spar sections 131 extend in a common alignment which points transversely to the seating direction.
  • the two beam sections 131 turn again, again by about 90 °, this time approximately parallel to the side edges 132 of the seat 104 forward.
  • the adjoining spar sections 134 thus run forward, preferably approximately vertically below the respective side edge 132 of the seat surface 104.
  • these two rail sections 134 turn again, again this time by about 90 °, but now about vertically down. After these bends 136, the adjoining strut sections therefore run downwards and thus form two legs 137 of the cantilever 101 '.
  • each bend 138 connects to the rear, and the resulting, running approximately parallel to the seat direction runners 139 are at their rear ends - approximately below the backrest 105 - by a transverse web 140 to a approximately ground contact surface connected with approximately U-shaped course.
  • this U-shaped bottom part 141 od by means of small rubber feet. Like. Be slightly raised from the ground.
  • the chair legs 137 "run past the seat 104, preferably laterally, and bend backwards at the level of lateral armrests 142 in an approximately horizontal direction, so that the chair legs 137" each pass over one bend 143 in each armrest 142 on.
  • neither the chair legs 137 "nor the armrests 142 are in connected in any way with the seat 104, but completely separate from the seat.
  • the two armrests 142 then bend approximately vertically downwards.
  • the bends 144 there are thus each followed by an approximately vertical spar section 145. If the latter has reached or pierced the plane of the seating surface 104, a bend 146 in turn follows in a horizontal plane. From there, the course resembles that of the frame 103 'from the Fig. 21 to 23 , Since the frame 103 "is not in any contact either with the chair legs 137" or the armrests 142 or the rear vertical rail sections 145 with the seat surface 104, the seat surface 104 can swing to a considerable extent in all directions; This cantilever 101 "is therefore extremely comfortable.
  • the through holes 112 of the adapter 107 in particular at the ends of the H-leg 110 on the one hand and in the contact surface 114 of the stiffening plate and possibly in the leaf spring 109 itself and / or in the plate 117 of the counterpart 108 for the adapter in groups be provided by two, three or more holes, which are arranged one behind the other in a row along the seat direction and offset by preferably equal distances from each other.
  • the adapter 107 could be installed in different positions, ie at three holes per attachment point in the "front”, “center” or “rear”, with the effect that - with otherwise completely unchanged arrangement of the frame 103 relative to the seat unit 102 - the position of the leaf spring 109 itself can be influenced.
  • the spring or tilt behavior changes: If the leaf spring 109 positioned further forward, the behavior tends to be harder in a forward movement, softer in a swing back, and in a rearwardly offset arrangement of the leaf spring 109 results in a reverse behavior - a Inclination forward is made easier, tilting back rather difficult. So that anyone can decide for himself which vibrational behavior should have his seating by the adapter 107 offset accordingly.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Special Chairs (AREA)

Claims (16)

  1. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") comprenant une armature (3 ; 3' ; 3" ; 3(5) ; 103 ; 103' ; 103"), une surface d'assise (4, ; 104) qui y est fixée et de préférence un dossier (5 ; 105) fixé à la surface d'assise (4 ; 104), en ce qu'un premier moyen de fixation (7 ; 107, 108) servant de seule et unique fixation (6 ; 106), disposé approximativement au milieu en dessous de la surface d'assise (4 ; 104) est prévu entre l'armature (3 ; 3' ; 3" ; 3(5) ; 103 ; 103' ; 103") et la surface d'assise (4 ; 104), caractérisé en ce que les zones d'extrémité de deux sections longeron (9 ; 47 ; 118 ; 128) sont fixées au premier moyen de fixation (7 ; 107-109), lesdites zones d'extrémité s'éloignant approximativement horizontalement du premier moyen de fixation (7 ; 107-109) et s'étendant jusqu'à l'armature (3 ; 3' ; 3" ; 3(5) ; 103 ; 103' ; 103") ou débouchant dans celle-ci, en ce que les deux sections longeron (9; 47; 118; 128) s'étendent tout d'abord dans le sens d'assise ou dans le sens opposé à une distance par rapport au côté inférieur de la surface d'assise, puis s'écartent l'une de l'autre dans la zone de l'arête avant ou arrière (30) de la surface d'assise (4 ; 104) dans un plan approximativement horizontal et sont ensuite coudées jusqu'à finalement s'étendre dans le sens inverse du sens d'origine et/ou vers le bas dans la zone d'une arête latérale (132) respective de la surface d'assise (4 ; 104).
  2. Meuble d'assise (1 ; 1' ; 1 " ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon la revendication 1, caractérisé en ce que le premier moyen de fixation (7 ; 107-109) comporte au moins une surface d'appui plane, de préférence horizontale pour la liaison avec le côté inférieur de la surface d'assise (4 ; 104), et enveloppe de préférence les sections longeron (9 ; 47 ; 118 ; 128) qui y sont reliées sur leur côté inférieur, en ce que de préférence le premier moyen de fixation (7 ; 107-109) se recourbe vers le haut et finalement dans un plan horizontal des deux côtés des sections longeron (9 ; 47 ; 118 ; 128) qui y sont reliées, et/ou comporte des deux côtés des sections longeron (9 ; 47 ; 118 ; 128) en prise par le bas respectivement une surface d'appui (10) plane qui comprend de préférence respectivement un ou plusieurs orifices de passage (12) pour la réception de vis (13) ou similaire.
  3. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications précédentes, caractérisé en ce que les deux sections longeron (9 , 24) reliées au premier moyen de fixation (7 ; 107-109) s'étendent tout d'abord parallèlement l'une par rapport à l'autre, et/ou en ce que les deux sections longeron (9, 24) s'étendant approximativement horizontalement à partir du premier moyen de fixation (7 ; 107-109) sont en contact l'une avec l'autre, de préférence disposées côte à côte, en particulier reliées entre elles par une soudure.
  4. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications précédentes, caractérisé en ce que les deux sections longeron (9, 24) fixées sur le premier moyen de fixation (7 ; 107-109)
    - se poursuivent uniquement sur respectivement un côté et représentent les extrémités (9) d'un longeron commun (22), courbé plusieurs fois, et/ou
    - s'éloignent du premier moyen de fixation (7 ; 107-109) à l'intérieur d'un plan approximativement horizontal en s'étendant intégralement ou essentiellement vers l'avant ou vers l'arrière, toutefois sans aucun contact direct avec la surface d'assise (4), et/ou
    - s'éloignent parallèlement du premier moyen de fixation (7 ; 107-109) à l'intérieur d'un plan approximativement horizontal en s'étendant dans le sens d'assise ou dans le sens inverse, vers l'avant ou vers l'arrière, toutefois sans aucun contact direct avec la surface d'assise (4).
  5. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications précédentes, caractérisé en ce que les deux sections longeron (9, 24) fixées sur le premier moyen de fixation (7 ; 107-109) dans la zone de l'arête d'assise (30) visée, avant ou arrière, divergent l'une de l'autre dans des sens inverses, toutefois sans aucun contact direct avec la surface d'assise (4), de préférence en ce que les sections longeron (26) divergeant l'une de l'autre dans la zone de respectivement une arête latérale de la surface d'assise (4) se poursuivent au-delà d'une courbure (28) comme montants (29) orientés vers l'avant ou vers l'arrière, toutefois sans aucun contact direct avec la surface d'assise (4).
  6. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications 1 à 4, caractérisé en ce que les deux sections longeron (7, 24) fixées au premier moyen de fixation (7 ; 107-109) s'éloignent du premier moyen de fixation (7 ; 107-109) à l'intérieur d'un plan approximativement horizontal dans le sens ou dans le sens inverse d'assise en s'étendant vers l'avant ou vers l'arrière, toutefois en divergeant l'une de l'autre, de préférence à un angle compris entre 60° et 120°, et sans former de contact direct avec la surface d'assise (4), de préférence en ce que les sections longeron (7, 24) divergeant l'une de l'autre dans la zone de respectivement une arête latérale de la surface d'assise (4) suivent au-delà d'une courbure (46) locale tout d'abord un tracé vertical (45) vers le haut et ont une courbure (44) dans le sens ou dans le sens inverse d'assise seulement à hauteur d'un accoudoir (42), toutefois sans aucun contact direct avec la surface d'assise (4).
  7. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications 5 ou 6, caractérisé en ce que les sections longeron (29) s'étendant vers l'avant ou vers l'arrière, antiparallèlement par rapport aux premières sections longeron (24), présentent une courbure (33, 43) approximativement dans la zone de chaque coin avant de la surface d'assise (4) et à partir d'ici présentent un segment (34) s'étendant verticalement ou de manière inclinée vers le bas, toutefois sans aucun contact direct avec la surface d'assise (4), de préférence en ce que les sections longeron (34) s'étendant verticalement ou de manière inclinée vers le bas dans la zone en dessous de respectivement un coin de la surface d'assise (4) sont reliées entre elles par un étrier (41) plan, horizontal, approximativement en forme de U à des côtés (39) s'étendant dans le sens ou dans le sens inverse d'assise et à un montant (40) adjacent, s'étendant transversalement par rapport au sens d'assise.
  8. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications précédentes, caractérisé en ce que les sections longeron (29) s'étendant parallèlement l'une par rapport à l'autre le long des arêtes latérales (132) de la surface d'assise (4) sont recourbées vers le bas dans la zone d'arête de surface d'assise (30) avant ou arrière, respectivement à l'intérieur d'un plan approximativement vertical, par exemple à 90° ou plus, de préférence à 120° ou plus, en particulier à 150° ou plus.
  9. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101 ") selon l'une des revendications précédentes, caractérisé en ce que les sections longeron le long des arêtes latérales (132) de la surface d'assise (4), s'étendant parallèlement l'une par rapport à l'autre ou les sections longeron recourbées vers le bas à partir d'ici sont finalement recourbées l'une sur l'autre jusqu'à un alignement commun et assemblées entre elles, en particulier en une seule pièce (32), de préférence en ce que les sections longeron (22) assemblées entre elles sont reliées dans la zone d'une section longeron droite avec l'armature (3), en particulier en ce que le/les assemblage(s) des sections longeron (22) assemblées entre elles avec l'armature (3) est/sont disposé(s) symétriquement par rapport à un plan vertical, s'étendant au milieu dans le sens d'assise.
  10. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101 ") selon l'une des revendications précédentes, caractérisé en ce que les sections longeron (29) latérales sont reliées chacune à une partie ou un segment (20, 21) de l'armature (3), de préférence en ce que les sections longeron (29) latérales sont reliées chacune à un longeron (20, 21) parallèle de l'armature (3), dont les extrémités (16) sont recourbées vers les bas afin de former chacune un pied (15).
  11. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon l'une des revendications précédentes, caractérisé en ce qu'une section longeron (32) s'étendant transversalement par rapport au sens d'assise est reliée à une partie ou à un segment de l'armature (3).
  12. Meuble d'assise (1 ; 1' ; 1 " ; 1(3) ; 1(4) 1(5) ; 1(6) ; 101 ; 101' ; 101") selon la revendication 11, caractérisé en ce qu'un second moyen de fixation est prévu sur une section longeron (32) s'étendant transversalement par rapport au sens d'assise, en particulier une plaque de fixation, de préférence en ce que le second moyen de fixation (55)
    - présente une ou plusieurs surfaces d'appui plane, en particulier sur son côté inférieur, et/ou
    - enveloppe la section longeron (32) à relier au niveau de son côté supérieur et/ou
    - se recourbe vers le bas et finalement dans un plan horizontal des deux côtés de la section longeron (32) qui y est reliée, et /ou
    - présente des deux côtés de la section longeron (32) enveloppée respectivement une surface d'appui plane qui, de préférence, comporte respectivement un ou plusieurs alésages traversant pour l'insertion de vis (60) ou similaire.
  13. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon la revendication 12, caractérisé en ce qu'un pendant plan par rapport à la surface d'appui du second moyen de fixation (55) est prévu sur l'armature (3), en ce qu'éventuellement la surface d'appui plane au niveau du second moyen de fixation (55) est reliée avec un pendant plan à l'armature (3), par exemple vissée, de préférence au moyen d'au moins deux vis (60) perpendiculaires au plan de contact, lesdites vis étant disposées en particulier de manière inversée par rapport à la ligne médiane orientée vers le sens d'assise de la surface d'assise (4).
  14. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon la revendication 13, caractérisé en ce que le pendant plan comprend un corps avec au moins une surface d'appui (58) plane, de préférence une plaque, en particulier en métal.
  15. Meuble d'assise (1 ; 1' ; 1" ; 1(3) ; 1(4) ; 1(5) ; 1(6) ; 101 ; 101' ; 101") selon la revendication 14, caractérisé en ce que le corps ou la plaque du pendant plan est relié à un segment (52) de l'armature (3) s'étendant approximativement verticalement, en particulier soudé, de préférence en ce que le segment (52) de l'armature (3) s'étendant verticalement est relié à au moins un pied (50) qui peut comporter plusieurs roulettes (51), de préférence des roulettes (51) orientables, en particulier en ce qu'une suspension à ressort à action verticale est prévue entre le segment (52) de l'armature s'étendant verticalement et le pied (50), par exemple un vérin à gaz, et/ou un raccord rotatif autour d'un axe vertical, par exemple un palier à roulement.
  16. Meuble d'assise (101 ; 101' ; 102) selon l'une des revendications précédentes, caractérisé en ce qu'un ressort à lames (109) disposé transversalement par rapport au sens d'assise, en dessous de la surface d'assise (104), est prévu comme seule et unique liaison (106) entre l'armature (103) et la surface d'assise (104), ledit ressort à lames étant fixé approximativement au milieu du côté supérieur (118) de l'armature (103), de préférence en ce qu'une surface d'appui (114) plane, de préférence horizontale, au milieu de chaque ressort à lames (109) est prévue pour la liaison (106) avec l'armature (103), tandis que les zones d'extrémité des ressorts à lames (109) sont reliées au côté inférieur de la surface d'assise (104), en particulier en ce qu'un côté (110) approximativement à angles droits est relié à chaque extrémité des ressorts à lames (109), par exemple soudé, de manière à obtenir dans l'ensemble une structure (107) en forme de H, en ce que de préférence seules les deux extrémités libres de chaque côté (110) sont reliées au côté inférieur de la surface d'assise (104)
EP13785595.3A 2012-08-24 2013-08-26 Meuble d'assise Not-in-force EP2887836B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202012008088U DE202012008088U1 (de) 2012-08-24 2012-08-24 Sitzmöbel
DE201220010040 DE202012010040U1 (de) 2012-10-22 2012-10-22 Sitzmöbel
PCT/IB2013/001847 WO2014030057A1 (fr) 2012-08-24 2013-08-26 Meuble d'assise

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Publication Number Publication Date
EP2887836A1 EP2887836A1 (fr) 2015-07-01
EP2887836B1 true EP2887836B1 (fr) 2016-07-27

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EP (1) EP2887836B1 (fr)
WO (1) WO2014030057A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230301437A1 (en) * 2019-01-17 2023-09-28 Hni Technologies Inc. Chairs including flexible frames

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Publication number Priority date Publication date Assignee Title
EP3085273B1 (fr) * 2015-04-20 2017-06-28 Festo AG & Co. KG Siège de bureau

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DE202008011303U1 (de) * 2008-08-25 2008-10-30 Design Ballendat Gmbh Stuhl mit gefedert gelagertem Sitzelement

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DE723136C (de) * 1936-10-04 1942-07-29 Arnold L & C Hinterbeinloses Stahlrohrsitz- oder -liegemoebel
US3173723A (en) * 1964-06-08 1965-03-16 American Seating Co Seat attachment
GB2462496A (en) * 2008-08-12 2010-02-17 Orangebox Ltd A chair with means to allow for an optimal working position
DE202009003927U1 (de) * 2009-03-23 2009-06-10 Oranje Meubel B.V. Stuhl mit Rastmitteln
ES2455979T3 (es) * 2010-08-10 2014-04-16 Ass Einrichtungssysteme Gmbh Mueble de asiento

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DE202008011303U1 (de) * 2008-08-25 2008-10-30 Design Ballendat Gmbh Stuhl mit gefedert gelagertem Sitzelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230301437A1 (en) * 2019-01-17 2023-09-28 Hni Technologies Inc. Chairs including flexible frames

Also Published As

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EP2887836A1 (fr) 2015-07-01
WO2014030057A1 (fr) 2014-02-27

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