EP3170428B1 - Module de ressort à lamelles et système de suspension comprenant de tels modules - Google Patents

Module de ressort à lamelles et système de suspension comprenant de tels modules Download PDF

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Publication number
EP3170428B1
EP3170428B1 EP16197648.5A EP16197648A EP3170428B1 EP 3170428 B1 EP3170428 B1 EP 3170428B1 EP 16197648 A EP16197648 A EP 16197648A EP 3170428 B1 EP3170428 B1 EP 3170428B1
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EP
European Patent Office
Prior art keywords
spring
spring strip
strip
strips
module according
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EP16197648.5A
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German (de)
English (en)
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EP3170428A1 (fr
Inventor
Giacomo Lanza
Armin Schropp
Marcel Eckes
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Recticel Schlafkomfort GmbH
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Recticel Schlafkomfort GmbH
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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
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/062—Slat supports
    • A47C23/063—Slat supports by elastic means, e.g. coil springs
    • A47C23/064—Slat supports by elastic means, e.g. coil springs by elastomeric springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/061—Slat structures

Definitions

  • the invention relates to a spring strip module for a seat oroutheastern. Furthermore, the invention relates to a spring base with such spring connector modules.
  • Suspensions using spring slats are used in sitting and lying furniture to increase the sitting or lying comfort.
  • a suspension usually includes a frame with two longitudinal beams and two cross beams.
  • spring strips extend between the cross bars or the longitudinal bars. The ends of the spring strips are connected to this carrying Holmen. The spring strips thus extend as a rule over the entire transverse or longitudinal extension of the spring base.
  • a reclining furniture is a mattress. For the sitting or lying comfort thus serve the base suspension and the padding thereon, which is formed in a reclining furniture by the mattress.
  • spring strip modules are used to form a spring strip, which are composed of at least two in the springing direction adjacent to each other arranged spring strips.
  • the end portions of the individual spring strips are sometimes spaced from each other in the compression direction and do not engage together in each case a bearing cap of a spring strip holder.
  • each upper female connector of such a spring strip module with respect to the upper end of an adjacent spring strip module has a different height, especially if the two adjacent spring strips in opposite directions to each other are curved and supported against each other in the area of their vertices.
  • US 2,349,839 is a spring strip assembly constructed from three individual spring strips known.
  • the single spring strips are made of wood.
  • the uppermost spring bar is convexly curved against the compression direction.
  • Adjacent to this, a second spring bar is arranged, which has an opposite curvature.
  • This lower, second spring bar rests in the region of its apex on a lower spring bar, which, like the uppermost spring bar is curved convexly against the compression direction.
  • the ends of this slat assembly are held in guide blocks.
  • the guide blocks are mounted on a lower support connecting these blocks.
  • the ends of the single spring strips engage in a vertically extending guide slot of the guide blocks. These are closed on the upper side by a respective plate.
  • the plate serves as a stop for the uppermost spring bar.
  • the maximum distance from the uppermost single spring bar to the lowest single spring bar is limited by the distance of this plate from the lower carrier.
  • This made of wood slat assembly is used to replace an otherwise made of metal slat assembly.
  • the disadvantage of this known spring strip arrangement on the one hand, that the striking of the upper single spring strip on the underside of the guide block limiting plate causes a striking noise.
  • only that part of the single spring strips can be used in the case of upholstered furniture suspension, which is located between the mutually facing ends of the guide blocks.
  • the mattress In the case of a Matratzenunterfederung then the mattress can only extend between the spring blocks.
  • the mattress is pressed in between the mutually facing sides of the guide blocks, which can impair the compression behavior and can disturb the springback behavior.
  • the object of the invention is a spring bar module with several, in particular also in opposite directions to each other curved individual spring strips in such a way that the or the disadvantages of the above-discussed prior art are shown, even if the individual spring strips used to form such a spring strip modules have deviations in their predetermined curvature.
  • a spring bar module for a seat or Med conferencecommunung comprising at least two spring strips, of which a lower spring bar against their compression direction convexly curved and of which the opposite of the compression direction of this spring bar adjacent spring bar in the opposite direction curved to the curvature of the lower spring bar and with her Vertex is supported on the lower spring bar, and comprising in each case one connected to the two adjacent spring strips in the region of their end sections and connecting them, resilient in Einfederungslegi spring strip connector by which spring strip connector, the maximum distance between the two spring strips is limited in the respective end portion.
  • the spaced-apart end portions of two adjacent spring strips are each connected to a common spring strip connector.
  • the ends of these adjacent individual spring strips are connected to each other, it being provided that this is compliant in the compression direction of the spring connector. Contrary to the compression direction, the maximum distance between the two spring strips in the region of their ends is limited by the respective spring strip connector. Thus, the maximum distance that two such individual spring strips can assume in the region of their ends, determined by the design of the spring connector.
  • the maximum distance provided by the spring strip connector in the region of the ends of the individual spring strips is even slightly lower than the above-described distance, not only to have a certain degree of security that even with unexpected larger deviations from the desired manufacturing, the uppermost spring strips of adjacent Spring bar modules are located at a same distance from the respective lower spring bar, but also to provide these slats against each other under a certain bias.
  • the entire length of the upper spring bar can be used to support a padding, such as a mattress, since the maximum distance between the upper spring bar is defined in the region of its ends by the lower spring bar by a common spring connector. Additional elements, especially those that are not moved with the upper spring bar in the process of deflection, are not provided in this spring strip module.
  • Such a female connector may be, for example, a cable connected at one end to an end portion of the adjacent female connectors, which is connected, for example, by two loops to the adjacent female connector ends. Care must be taken with this connection that the loops do not shift in the longitudinal direction of the spring strips.
  • Such a header connector may be used instead of loops as described above.
  • the connecting member may be, for example, one which is designed in the manner of a film hinge. Even in such an embodiment, care is taken to ensure that the sleeves are not displaced or slipped in the longitudinal extension of the spring strips to maintain a maximum distance of the spring strip ends.
  • such cuffs are formed by bearing caps or at least part of the same, which bearing caps are part of the spring bar holder, with which the spring bar module are connected to a support, for example, the longitudinal spar of a Matratzenunterfederung.
  • bearing caps are part of the spring bar holder, with which the spring bar module are connected to a support, for example, the longitudinal spar of a Matratzenunterfederung.
  • the respect to their maximum distance to be held individual spring strips engage with their ends in these bearing caps. These are closed at the end at least so far that an insertion movement is limited. In this way, the position of the sleeve in the region of the end portion or end of such a single spring bar is and remains guaranteed without additional measures in the intended position.
  • Such a spring strip holder can carry the same for connecting the same to a carrier, so for example, a longitudinal spar of a suspension elements such as pins or the like. Quite possible is also an embodiment in which such a spring strip holder can be connected for connection to a carrier to a carrier side already mounted bearing element.
  • a bearing element has, for example, a spring strip holder receptacle on which the spring strip holder rests. Conveniently, the support of the spring bar holder is secured to such a bearing element, for example by a detent.
  • the spring strip module via a third single spring bar has, which is arranged on the opposite side of the jounce facing side of the then middle single spring bar.
  • This third spring bar is in turn in the opposite direction in the compression direction underneath curved and is supported in the region of its end portions on the end portions of the adjacent in the spring deflection spring bar.
  • Such support can be carried out directly or with the interposition of, for example, bearing caps or other or additional spacer means.
  • a spring strip holder then has three bearing caps, wherein the maximum distance of the lower bearing cap to the opposite of the compression direction adjacent bearing cap is limited by an example designed as a film hinge connector.
  • the distance of the uppermost bearing cap from the middle bearing cap can also be determined by a film hinge, wherein the distance between the uppermost spring bar in the region of its end from the central spring bar is typically much smaller than the distance of the end portions of the central spring bar from the lowermost.
  • the engaging in the bearing caps end portions of the spring strips are kept free of play in these, for example, by one or more projecting into the interior of such a bearing cap Klemmwülste.
  • spring strip module 1 comprises three individual spring strips 2, 3, 4.
  • the lower spring strip 2 is a carrier spring strip.
  • the carrier spring strip 2 is designed with a slight convex, upward curvature.
  • Connected to this provided as a support spring bar spring strip 2 is the spring bar 3.
  • the spring bar 3 is curved in opposite directions to the curvature of the spring bar 2.
  • the curvatures of these two spring strips 2, 3 extend over the entire span of the spring strip module 1. In the region of the adjacent vertex, the two spring strips 2, 3 are interconnected. For connecting the spring strips 2, 3 serve in the illustrated embodiment, two rybefestiger 5.
  • the opposite to the compression direction adjacent to the spring bar 3 arranged spring bar 4 is in turn in the opposite direction to the spring bar 3 and thus curved in the same direction to the spring bar 2.
  • the spring strip 4 is supported in the region of its end portions at the end portions of the spring strip 3.
  • the spring strip module 1 further comprises two spring strip holders 6, 6.1.
  • the spring strip holder 6, 6.1 serve to connect the spring strip module 1 to the frame of a spring base.
  • a frame 7 is in FIG. 1 shown below the spring strip module 1, in a cross section in which the two longitudinal members 8, 8.1 are shown in section.
  • bearing elements 10, 10.1 are connected to which the spring strip holder 6, 6.1 are mounted, as described below.
  • the spring strip module 1 mounted on the bearing elements 10, 10.1 with its spring strip holders 6, 6.1 is in FIG. 2 shown. It is clear that the spring strip module 1 with its lower serving as a carrier spring bar Spring bar 2 is supported by the longitudinal bars 8, 8.1.
  • the spring strips 3, 4 are used to provide a special Federungs Kunststoffs to form a specially adapted to a body geometryoutheasternkuhle.
  • the spring strips 3, 4 can also be addressed as Einfederancencruis
  • the spring strip holder 6 is described in more detail below. The same statements apply equally to the spring strip holder 6.1.
  • the spring strip holder 6 comprises three bearing caps 11, 12, 13, wherein in each bearing cap 11, 12, 13 of the end portion of a spring bar 2, 3 or 4 engages.
  • the bearing cap 11 is the lower bearing cap pointing in the direction of compression, into which the end section of the spring strip 2 engages.
  • the end portion of the spring bar 3 and in the bearing cap 13 of the end portion of the spring bar 4 engages (see also FIG. 2 ).
  • Shaped to the uppermost bearing cap 11 is a closure plate 14.
  • Formed on the bottom bearing cap 11 are connecting means 15 for connecting the spring bar holder 6 to the bearing element 10th
  • the spring bar holder 6 is a plastic injection molded part.
  • the bearing cap 11 is connected to the bearing cap 12 by a film hinge 16 as a connecting member.
  • the bearing cap 13 is connected to the bearing cap 12 by a film hinge 17.
  • the film hinge 17 has over the film hinge 16 from a greater rigidity, in the illustrated embodiment due to a greater material thickness.
  • the film hinge 16 is yielding in the compression direction.
  • the film hinge 16 is in the spring strip module 1 used for the purpose of defining the maximum distance of the bearing cap 12 of the bearing cap 11. In the figures, the film hinge 16 is shown unloaded.
  • the maximum distance of the bearing cap 12 of the bearing cap 11 is defined by the length of the film hinge 16 and following the transition curve 18 and 18.1, with this at an angle to the lower edge of the bearing cap 11 facing the spring strips or at the respective upper edge the bearing cap 11 is formed.
  • the film hinge 16 is designed so that the engaging in the bearing caps 11, 12 spring strips 2, 3 are biased against each other something, whereby the spring cap 12 is in its maximum distance to the spring cap with stretched film hinge 16. This maximum distance, provided by the film hinge 16, is selected so that manufacturing inaccuracies in the production of the oppositely curved spring strips 2, 3 after mounting their ends in the bearing caps 11, 12 has a bias in the above manner result.
  • both adjacent spring strips must be involved to the same extent. This is the case when both adjacent spring strips have a same deflection characteristic.
  • the softer would contribute a corresponding proportion to the above-described bias.
  • a limitation of the maximum distance of the bearing cap 13 of the bearing cap 12 is in one embodiment of a spring strip module 1, as shown in the figures, not essential, since the spring bar 4 is supported in the region of its end portions on the end portions of the spring bar 3. Manufacturing inaccuracies in the curvature of these two Spring strips 3, 4 do not lead to a different height of the end portions of the upper spring strip 4. Nevertheless, the film hinge 17 is designed so that it is yielding in the compression direction. This makes it possible to adapt the spatial position of the spring bar ends engaging in the respective bearing caps 12, 13 as a function of the radius of the same and the respective spring rate. Thus, the bearing caps 12, 13 in the longitudinal direction and thus in the transverse direction to the lying direction independently compensating movements.
  • the distance between the bearing cap 13 of the bearing cap 12 is many times less than the maximum distance of the spring cap 12 of the spring cap 11, when the spring bar holder 6 is not in a compressed state.
  • the bearing caps 11, 12, 13 are open to receive the ends of the spring strips 2, 3 and 4 in the direction of the spring strips 2, 3, 4. In the interior of the bearing caps 11, 12, 13 projecting at least one inner wall Klemmwülste 19 (at the lower bearing cap 11 in FIG. 4 shown) formed. These serve the purpose that the inserted into such a bearing cap 11, 12 or 13 end of a spring bar is frictionally held therein.
  • the spring strips 2, 3, 4 are identical or quasi identical. These are wooden spring strips. Of course, instead of the material wood for producing the spring strips 2, 3, 4, any other suitable material can be used.
  • different spring strips for forming such a spring strip modules can be combined with each other, which individual spring strips differ in their compression characteristics, so for example have a greater width and / or greater material thickness. Also, different material spring strips can be combined with each other to form a spring strip module as described above.
  • the spring bar module 1 With the frictionally engaged with their end portions in the bearing caps 11, 12, 13 engaging spring strips 2, 3, 4, the spring bar module 1 is readily manageable as a whole.
  • the spring bar module 1 For mounting the spring strip module 1 on the bearing elements 10, 10.1, the spring bar module 1 is placed with its bearing caps 11 and molded thereon connecting means 15 on the bearing elements 10, 10.1, and so far that the connection means 15 of the spring strip module 1 by a detent in the illustrated embodiment with the bearing element 10 and 10.1 are fixed locked.
  • FIG. 5 shows in a perspective view of the bearing element 10, which is designed as a double bearing element, so that it is suitable for receiving two adjacent to each other to be arranged spring strip modules 1.
  • the bearing element 10 therefore has two spring strip holder receptacles 20, 20.1.
  • the bearing element 10 is an angle piece whose back 21 carries on its rear side mounting pins 22, 22.1, which engage in the spar 8 and are fixed therein.
  • An integrally formed on the opposite side of the back 21 base plate 23 forms the other leg of the elbow.
  • the male force is introduced into the spar 8 of the spring base.
  • On the back 21 in each case two in the respective spring strip receiving 20, 20.1 protruding guides 24 are formed with respect to each spring bar holder receiving 20, 20.1.
  • connection means 15 thus comprise, in addition to stops 25, an extension 26 which dips into an opening 27 introduced into the base plate 23.
  • the spring bar holder 6 is positively held in the plane of the base plate 23 and secured against the immersion movement for immersion of the extension 26 in the opening 27 by a detent 28 which cooperates for this purpose with the pointing to the back 21 side of the extension 26 ,
  • FIG. 6 shows the spring strip holder 6 together with an adjacent, identically designed spring strip holder connected to the bearing element 10th
  • FIG. 7 a further spring strip holder 6.2 is shown, the principle is constructed as the spring strip holder of FIGS. 3 and 4 , For this reason, the same elements are also identified by the same reference numerals.
  • the spring strip holder 6.2 differs from the spring strip holder 6 in that it has no upper side over the top bearing cap 13 projecting stop plate and that the uppermost bearing cap 13 is connected to the underlying bearing cap 12 by two spaced apart film hinges 17.1, 17.2.
  • the film hinges 17.1, 17.2, which have a greater span than the film hinge 17 of the spring strip holder 6, ensure an additional compression effect, since at a pressure load the bearing cap 13 can deflect against the bearing cap 12.
  • the film hinges 17.1, 17.2 are therefore made correspondingly soft.
  • the statements made on the female connector 6 apply equally to the female connector 6.2.
  • film hinges 17.1, 17.2 may be arranged in another arrangement between the bar caps 13, 12, for example, in a rotated position by 90 degrees.
  • the bar caps 13, 14 may be connected to each other in other ways to cause a compression against each other.
  • the spring strips 2, 3 and 4 are each a single spring bar.
  • a single spring bar as a spring bar 2, 3 and / or 4
  • such may also be realized by several thinner in their material thickness single-key strips.
  • the described Matratzenunterfederung can be provided on the top of the spring strips with a padding and summarized with the padding and the spring strips enclosing cover.
  • Such a configuration would in principle correspond to an embodiment, as this is known by box spring beds, wherein instead of the springs, the spring strips are provided.
  • the spring base will be when using the same in the context of a reclining chair top mattress.
  • the lower suspension is part of a total padding, that consequently the addressed in the described embodiments mattress in the case of a reclining furniture is connected to the lower suspension and thus forms the lower suspension with the mattress a unit.
  • the spring strips can engage, for example, in the foam, so this is fixed to the spring strips.
  • the mattress is typically provided with a coating together with the lower suspension.

Landscapes

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

Claims (14)

  1. Module à lattes pour une suspension flexible équipant un siège ou un couchage comportant au moins deux lattes (2, 3) dont une latte inférieure (2) est courbée de manière convexe, dans le sens opposé à son sens de suspension et dont l'autre latte (3) voisine de cette latte (2) contraire au sens de suspension est courbée dans le sens contraire à la courbure de la latte inférieure (2) et en appui par son sommet sur la latte inférieure (2), ainsi que comportant un connecteur (6, 6.1, 6.2) de lattes souple dans le sens de suspension, raccordée au niveau des zones d'extrémité des deux lattes voisines (2, 3) et reliant ces dernières, grâce auquel connecteur (6, 6.1) de lattes souple, l'écartement maximal des deux lattes (2, 3) l'une de l'autre est limité dans le tronçon d'extrémité correspondant.
  2. Module à lattes selon la revendication 1, caractérisé en ce que les lattes (2, 3) sont maintenues avec une précontrainte par les connecteurs (6, 6.1, 6.2) de lattes raccordés sur ces dernières à leur extrémités.
  3. Module à lattes selon la revendication 1 ou 2, caractérisé en ce que les connecteurs (6, 6.1, 6.2) de lattes présentent, afin d'assurer la jonction avec les lattes voisines, un manchon englobant respectivement une latte (2, 3) ainsi qu'un élément de liaison (16) raccordant les deux manchons.
  4. Module à lattes selon la revendication 3, caractérisé en ce que les connecteurs (6, 6.1, 6.2) de lattes sont des pièces en plastique et que les éléments de liaison sont conformés à la manière d'un film charnière (16).
  5. Module à lattes selon l'une des revendications 1 à 4, caractérisé en ce que le module à lattes (1) comprend une troisième latte (4) disposée dans le sens contraire à celui de la suspension, à proximité de la latte (3) courbée dans le sens contraire de la latte inférieure (2) et recourbée de manière convexe, dans le sens contraire à celui de la suspension et qui est en appui par ses tronçons d'extrémité sur ceux de la latte (3) voisine.
  6. Module à lattes selon la revendication 5, caractérisé en ce que la possibilité de décalage dans l'axe longitudinal de la latte supérieure (3) est limitée par rapport au sens de suspension de la latte (3) voisine et courbée dans le sens contraire de celle-ci.
  7. Module à lattes selon la revendication 3 ou 4, caractérisé en ce que les connecteurs de lattes font respectivement partie d'un support de lattes (6, 6.1, 6.2) destiné à raccorder le module à lattes (1) sur un support (8, 8.1) avec un premier embout de maintien (11), dans lequel s'engage le tronçon d'extrémité de la latte inférieure (3) et avec un second embout de maintien (12) dans lequel s'engage le tronçon d'extrémité d'une autre latte, les manchons étant conformés par les embouts de maintien (11, 12) ou faisant partie de ceux-ci.
  8. Module à lattes selon la revendication 6 ou 7, caractérisé en ce que chaque support de lattes (6, 6.1, 6.2) présente un troisième embout de maintien (13) dans lequel s'engage le tronçon d'extrémité de la troisième latte (4), lequel troisième embout de maintien (13) est raccordé à l'embout de maintien (12) voisin.
  9. Module à lattes selon la revendication 7 ou 8, caractérisé en ce que l'embout de maintien (13) est raccordé par au moins une charnière à film (17; 17.1, 17.2) à l'embout de maintien (12).
  10. Module à lattes selon l'une des revendications 7 à 9, caractérisé en ce que les embouts de maintien (11, 12, 13) présentent à l'intérieur un ou plusieurs bourrelets de blocage (19) en saillie vers l'intérieur, grâce auquel ou auxquels le tronçon d'extrémité d'une latte (2, 3, 4) qui s'y engage, y est maintenu par friction.
  11. Module à lattes selon l'une des revendications 7 à 10, caractérisé en ce que les supports de lattes (6, 6.1, 6.2) sont configurés afin de permettre le raccordement respectivement à un élément de palier raccordé du côté porteur.
  12. Module à lattes selon la revendication 11, caractérisé en ce que les supports de lattes (6, 6.1, 6.2) sont sécurisés par un enclenchement situé sur l'élément de palier (10) affecté au support de lattes (6, 6.1, 6.2) respectif.
  13. Suspension flexible comprenant deux montants (8, 8.1) longitudinaux à distance l'un de l'autre, raccordés par deux traverses (9), et comprenant des lattes et modules à lattes s'étendant entre les montants (8, 8.1) longitudinaux, caractérisée en ce que au moins certains des modules à lattes (1) sont conformés selon l'une des revendications 1 à 12.
  14. Suspension flexible selon la revendication 13, caractérisée en ce que la suspension flexible est un sommier.
EP16197648.5A 2015-11-17 2016-11-08 Module de ressort à lamelles et système de suspension comprenant de tels modules Active EP3170428B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015106222.2U DE202015106222U1 (de) 2015-11-17 2015-11-17 Federleistenmodul sowie Unterfederung mit derartigen Federleistenmodulen

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Publication Number Publication Date
EP3170428A1 EP3170428A1 (fr) 2017-05-24
EP3170428B1 true EP3170428B1 (fr) 2018-04-11

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EP16197648.5A Active EP3170428B1 (fr) 2015-11-17 2016-11-08 Module de ressort à lamelles et système de suspension comprenant de tels modules

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DE (1) DE202015106222U1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2349839A (en) 1942-10-17 1944-05-30 Salvatore F Apicella Wood spring
NL2005885C2 (en) * 2010-12-21 2012-06-25 Dbc Internat B V Support for a mattress and bed comprising such support.

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* Cited by examiner, † Cited by third party
Title
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DE202015106222U1 (de) 2016-10-10

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