EP2139366B1 - Lagerelement für eine polsterauflage von sitz- und liegeflächen - Google Patents

Lagerelement für eine polsterauflage von sitz- und liegeflächen Download PDF

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Publication number
EP2139366B1
EP2139366B1 EP07857780A EP07857780A EP2139366B1 EP 2139366 B1 EP2139366 B1 EP 2139366B1 EP 07857780 A EP07857780 A EP 07857780A EP 07857780 A EP07857780 A EP 07857780A EP 2139366 B1 EP2139366 B1 EP 2139366B1
Authority
EP
European Patent Office
Prior art keywords
spring
support
support element
element according
disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07857780A
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German (de)
English (en)
French (fr)
Other versions
EP2139366A1 (de
Inventor
Margret Fromme-Ruthmann
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.)
Froli Kunststoffwerk Heinrich Fromme OHG
Original Assignee
Froli Kunststoffwerk Heinrich Fromme OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Froli Kunststoffwerk Heinrich Fromme OHG filed Critical Froli Kunststoffwerk Heinrich Fromme OHG
Priority to PL07857780T priority Critical patent/PL2139366T3/pl
Publication of EP2139366A1 publication Critical patent/EP2139366A1/de
Application granted granted Critical
Publication of EP2139366B1 publication Critical patent/EP2139366B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/025—Springs not otherwise provided for in A47C7/22 - A47C7/35
    • A47C7/027—Springs not otherwise provided for in A47C7/22 - A47C7/35 with 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
    • A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern

Definitions

  • the invention relates to a bearing element for a cushion support of sitting and lying surfaces, preferably for mattresses, with a bottom plate fixed to a base and at least one upwardly from the bottom plate in the direction of the cushion support standing, formed from a plurality of spring arms spring element, wherein the Spring arms are provided at their upper, the bottom plate facing away from each end with a substantially U-shaped wave spring element, which consists of at least two parallel spaced from each other on concentric ring tracks about the central axis of the bearing element arranged spring legs and at least one spring leg coupling connecting web and in the one End of the arranged on the inner ring track spring leg with the respective associated spring arm and one end of the arranged on the outer ring track spring leg is connected to a provided for supporting the cushion member support plate.
  • the bearing elements are commonly referred to as spring elements and are known as mattress substructures both in connection with slatted substructures and with rigid, plate-shaped substructures.
  • the bearing elements described are fixed to these plate-shaped or slatted-shaped substructures by means of screwing or for easier interchangeability of the bearing elements by means of easily releasable attachment techniques, such as bayonet locks, the base plate may have suitable openings for this purpose.
  • the bearing elements are arranged at regular intervals, so that in the plan view of such a construction, a substantially closed bearing surface, consisting of the individual bearing plates belonging to each bearing plates results.
  • Such constructions have proven in principle quite well in the prior art. However, it has been shown to optimize sleeping comfort for a on a cushion support, for example on a mattress lying person, it may be desirable and necessary to form the spring characteristics of individual bearing elements according to the weight forces acting on them differently. To obtain a uniform comfort, this means that in certain areas of the cushion support, for example in the shoulder or pelvic area, due to the higher forces to be absorbed stiffer spring rates of the spring elements may be required, such as in areas of lower weight forces such as leg or head area.
  • bearing elements are already known from the prior art, in which the spring effect of the spring elements is changed by appropriate additional components which are used in the bearing elements.
  • the responsible for the spring action of the spring elements individual spring arms can be limited by additional components, constructions are known in which between the base plate and substructure provided with a plurality of support arms plastic component is arranged.
  • the plastic component is rotatably mounted relative to the bearing element about the vertical bearing element central axis, so that the support arms can possibly be brought to bear on the individual spring arms for stiffening the overall spring action of the spring element.
  • the invention is therefore based on the object, starting from the well-known from the prior art bearing elements of the generic type described to develop them so that a particularly simple handling and due to the structural design cost-effective production of the individual components and their assembly allows becomes.
  • the support plate consists of an annular, the upper ends of the spring legs of the corrugated spring elements connecting frame part and a rotatable frame part about the central axis of the bearing element bearing pad, wherein the support disc in its outer edge region with an adjustment for limiting the mobility the spring leg of the Wellfederetti is provided.
  • the newly developed bearing element now only consists of two components which can each be produced as injection-molded plastic parts. Due to the fact that the support plate is provided with the adjustment for limiting the mobility of the spring leg of Wellfederemia, there is the possibility to change after removal of the cushion support individual bearing elements as needed by simply rotating the support plate belonging to the receiving disc in its spring action.
  • Such an adjusting device in the upper region of the bearing elements is particularly effective in that the corrugated spring elements belonging to the bearing element particularly affect the overall spring action of the spring elements and corrugated spring elements existing spring elements.
  • the adjustment possibilities with regard to the spring action of the bearing element can be additionally increased if a plurality of webs located next to one another on the annular web are associated with a spring leg, wherein the webs are designed differently with respect to their rigidity. It may be expedient if the webs have a different cross-section, this cross-section is advantageously designed rectangular. If the webs are provided with at least one stiffening rib on at least one of the side surfaces arranged perpendicular to the ring track, then different stiffnesses of the webs belonging to the setting device can be achieved not only by the different cross-sectional configuration but also with the aid of the number of stiffening ribs and their size.
  • the adjustability with respect to the spring rate of the bearing element is due to the different web design in a simple manner that by rotation of the support plate webs of different stiffness, that is, with different cross-section and / or different web shapes and different number of webs with the associated spring arms, respectively the spring legs of Well spring elements are brought to coincidence.
  • Different stiffnesses of the webs can also be achieved by arranging the reinforcing ribs both on the side faces of the webs directed towards the middle and on the opposite, outwardly directed side faces.
  • the structural design of the stiffening ribs is subject to both the given space conditions on the bearing element and the required spring rates, which can be determined by design adaptation of the stiffening ribs.
  • the support plate is provided with a locking device for fixing different rotational positions relative to the frame part surrounding the support plate.
  • the latching device can have at least one locking lug on the frame part or on the support plate, which can be snapped in place for fixing the rotational position of the support disc in a corresponding, belonging to the locking device recess on the support plate or on the frame part.
  • An additional facilitation of the adjustment can be additionally brought about by the fact that the support plate is provided at its upper, the pad support facing side with a display device for the respective rotational position of the support disc relative to the frame part.
  • an adjustment of the spring rate can be checked visually by marking the four different stiffness values of the bearing element with the alphanumeric numbers 1 to 4 in conjunction with the respective structurally designed locking device in a simple manner.
  • the bearing plate has at least one bearing surface which, when the pad rest is laid on the bearing element, unloaded padding
  • the frame part defined support plane obliquely upwards at an acute angle to the support plane protrudes from this.
  • This structural design results in a so-called airlift function for the support plate in addition to the already described advantages.
  • This airlift function is used to provide sufficient ventilation of the cushion pad.
  • the described structural design is characterized in particular by the fact that a much smaller contact surface is achieved with non-loaded mattress by the obliquely upstanding, usually present in a plurality of support surfaces. As a result, the removal of body moisture can be done in the short term, so that even with intensive use of the cushion pad by a user no feeling of dampness and no odor nuisance due to moisture not removed can occur.
  • the already known solution for improving the ventilation of upholstery pads which has proven in principle well, additionally improve, characterized in that the so-called airlift function, that is, the lifting of the cushion support in unloaded Condition can be fully integrated into the existing elements of the bearing element according to the invention.
  • the obliquely upward contact surfaces cause, without additional components, that at their high free ends a point or line-shaped support zone for the unloaded cushion pad is formed.
  • the mattress is thus only at individual points or lines on their underside, so that the rest of the free area can be used for an advantageous ventilation of the cushion pad.
  • inventive design of the bearing element makes no additional component necessary, so that any additional costs compared to known from the prior art conventional bearing elements omitted.
  • the support surfaces essentially have a plate-shaped, triangular shape in plan, wherein a longitudinal side of the triangular plan is fixed to the support plate in the outer edge region. Due to its layout, the bearing surfaces on the side facing away from the outer edge region of the support disk provide individual punctiform support zones for the mattress or the cushion support.
  • punctiform support zones are optimal for the improved ventilation of the applied mattresses.
  • the design of the bearing surfaces may additionally be advantageous in that they have at least one or preferably a plurality of apertures.
  • the openings increase the possibility of ventilation in the loaded state of the mattress and additionally support the removal of body moisture even when the mattress is being used by a person lying on it.
  • the bearing surfaces are arranged symmetrically on the support plate in an advantageous manner.
  • the designated in the figures with the reference numeral 1 bearing element has in its lower part a bottom plate 2 to which a fastening device 3, not shown, for fixing the bearing element 1 is provided on a slatted frame or a plate-shaped subbed construction.
  • the fastening device 3 may be designed differently and consist for example in a conventional manner from a screw.
  • releasable fastening techniques such as bayonet locks can be used.
  • a bayonet lock a bayonet hook can be inserted in per se known design through the opening 4 in the bottom plate 2 of the bearing element 1 therethrough.
  • a rotation of the bearing element 1 then causes the elongated bayonet hook on the top of the bottom plate comes to rest and the bearing element is thus determined on the corresponding base in the form of a slatted frame or other bedding construction.
  • a release takes place in reverse order by rotation of the bearing element and then lifting the bottom plate of the bayonet hook.
  • the bearing element 1 has a plurality of obliquely upward spring arms 6, wherein in the present embodiment, four spring arms symmetrically over the circumference of Bearing element are distributed.
  • the spring arms 6 are provided at its upper, the bottom plate 2 opposite end with Wellfederettin 7, which determine the spring characteristics of the bearing element substantially.
  • Each corrugated spring element 7 consists of two spring legs 11 and 12, which are arranged on the central axis 8 circumferential concentric ring tracks 9 and 10.
  • the spring leg 11 is fixed at its upper free end at the end of the spring arm 6, its lower further free end is connected by means of a connecting web 13 with the lower end of the spring leg 12.
  • the upper free end of the spring leg 12 is fixed to a belonging to a support plate 14 frame member 15.
  • the frame part 15 has a substantially rectangular outer contour and has a central recess into which a support plate 16 is inserted.
  • the support plate 16 is rotatable about the central axis 8 of the bearing element 1 and placed on retaining shoulders 23, which prevent falling through of the support plate 16 downwards in the direction of the bottom plate 2.
  • the retaining shoulders 23 are, as this particular from the FIGS. 7, 8 and 9 it can be seen, in each case arranged on both sides of the spring arms 6 with the corrugated spring elements 7 arranged thereon.
  • the arrangement of the webs 17.1, 17.2 and 17.3 can in detail the bottom views of the bearing element according to the FIG. 3a . 4a . 5a and 6a be removed.
  • the webs 17.1, 17.2 and 17.3 and located next to the web 17.1 and 17.3 web-free position are each associated with a Wellfederelement 7 and each form an assembly so that a total of twelve webs are combined into four groups in the ring track.
  • each one web 17.1, 17.2 or 17.3 of an assembly in the U-shaped space of the two spring legs 11 and 12 of a wave spring element 7 can be inserted.
  • the mobility of the spring legs 11 and 12 is limited to varying degrees after insertion of a web in the intermediate space of the spring legs 11 and 12 at a load of the bearing element 1.
  • the limitation or limitation of the mobility of the spring legs 11 and 12 leads to an increased rigidity of the bearing element, so that 16 different spring hardness can be adjusted by rotation of the support plate.
  • Due to the number of webs 17.1, 17.2. and preferably 17.3 can thus be adjusted taking into account the web-free position on the circumference in total, for example, four different degrees of hardness of the suspension of the bearing element.
  • the softest spring rate is set by the alphanumeric characterization of level 0 in the lower left corner of the bearing element seen in the drawing.
  • the bottom view of the bearing element 1 in the FIG. 3a it can be seen that in this stage 0 none of the webs is inserted into the intermediate space between the spring legs 11 and 12 of a wave spring element 7.
  • the spring legs 11 and 12 can thus according to the FIG. 3b perform an unrestricted movement and thus an unrestricted spring action.
  • FIG. 3a Of the FIG. 3a can be seen in addition that the webs 17.1, 17.2 and 17.3 are provided on their vertical side surfaces with outer stiffening ribs 18 and inner stiffening ribs 19.
  • the number of stiffening ribs is in the illustrated embodiment at each of the webs 17.2 and 17.3 both for the outer stiffening ribs 18 and for the inner stiffening ribs 19 each two.
  • the web 17.2 is provided with two outer stiffening ribs 18 and the web 17.3 both outer stiffening ribs 18 and inner stiffening ribs 19 has.
  • the configuration of the stiffening ribs is according to the illustration of FIGS. 4b . 5b and 6b chosen differently.
  • the stiffening ribs 18 and 19 have in connection with the cross-sectional configuration in the form of a rectangle of the webs 17.1, 17.2 and 17.3 the task of providing the webs with a different flexibility.
  • FIGS. 5 and 5a the In the plan view, the level 2 is indicated as a rotational position, whereby at the same time the web 17.2 is placed in the space between the spring legs 11 and 12 of the wave spring element 7.
  • the bearing element 1 of the invention is shown in that stage 3, in which the web 17.3, on which both outer stiffening ribs 18 and inner stiffening ribs 19 are arranged in the space between the spring legs 11 and 12 is introduced by rotating the support plate 16.
  • the design of the web 17.3 causes the mobility of the spring legs 11 and 12 of the wave spring element 7 is almost completely blocked.
  • the level 3 of the bearing element provides the highest spring stiffness, since now a deflection is given only in consequence of the elastic properties of the spring arms 6.
  • a locking device is arranged on the support plate 16 and the frame member 15, which consists of a plurality of locking lugs 20 which are directed to the bottom plate directed to the bottom of the frame member 15 in the middle between the spring arms 6 are arranged, as can be seen in particular from FIG. 9 results.
  • the latching lugs 20 are in operative connection with locking recesses 21 arranged on the upper side of the support disk 16, in which the respective latching lugs 20 engage, thus fixing a fixation of the respective spring stiffness stages 0 to 3.
  • the support disk 16 moreover has, as already mentioned, a display device 22 which consists of an alphanumeric numbering.
  • FIG. 13 plotted a path / force / stiffness chart.
  • This diagram can be clearly seen that in stage 0 depending on the forces acting on the bearing element forces a greatest flexibility, that is, a maximum travel of the bearing element is possible. This travel is limited in step 1 by about two millimeters, if one spends the same force for deflection in the amount of four kilograms.
  • stage 2 the spring stiffness is increased again, so that there is a further limitation of the spring travel.
  • stage 3 in principle, a blockage of Well spring elements in consequence of the special design of the webs 17.3 is given.
  • this can optionally be provided with a so-called air-lift function.
  • the air-lift function is integrated in the support disk 16 and consists essentially in that the support disk 16 has a plurality of six support surfaces 24.1, 24.2, 24.3, 24.4, 24.5 and 24.6 in the present case, which in the present case have a triangular shape and are fixed with their one side area in the outer edge region of the support disk 16.
  • the support surfaces are 24.1 to 24.6 with its directed towards the center edge region obliquely upward beyond a defined by the frame member 15 support level addition.
  • the design of the bearing surfaces 24.1 to 24.6 is chosen so that when a load of the bearing element only with resting on the support plate 16 cushion pad in the form of a mattress, for example, the cushion pad rests only on the center axis 8 directed front edge regions of the bearing surfaces 24.1 to 24.6. This results in a punctiform support, so that compared to conventional bearing elements better ventilation of the cushion pad respectively the mattress can be done.
  • the support disk or the upholstery element is loaded to a greater extent by a person supporting it, then the obliquely upward contact surfaces together with the frame element form an overall uniform support plane 25, so that full support of the upholstered support is ensured.
  • the bearing surfaces are, as the plan views of FIGS. 1 . 3 . 4 . 5 and 6 can be removed, arranged symmetrically to the central axis of the support plate 16, wherein of course the number of bearing surfaces 24.1 to 24.6 can also be selected differently from the illustrated embodiment. In addition, of course, the shape of the bearing surfaces 24.1 to 24.6 different selectable.
  • the angle of the support surfaces 24.1 to 24.6 to the support plane 25 may be in accordance with an advantageous design in the range of 5 to 40 degrees. The choice of the angle depends both on the elastic properties of the plastic material of the support plate 16 and on the weight of resting on the individual bearing elements cushion elements.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP07857780A 2007-04-02 2007-12-19 Lagerelement für eine polsterauflage von sitz- und liegeflächen Active EP2139366B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07857780T PL2139366T3 (pl) 2007-04-02 2007-12-19 Element podporowy dla wyściółki tapicerskiej do powierzchni do siedzenia i leżenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007000005U DE202007000005U1 (de) 2007-04-02 2007-04-02 Lagerelement für eine Polsterauflage von Sitz- und Liegeflächen
PCT/EP2007/064156 WO2008119400A1 (de) 2007-04-02 2007-12-19 Lagerelement für eine polsterauflage von sitz- und liegeflächen

Publications (2)

Publication Number Publication Date
EP2139366A1 EP2139366A1 (de) 2010-01-06
EP2139366B1 true EP2139366B1 (de) 2012-05-16

Family

ID=39276184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07857780A Active EP2139366B1 (de) 2007-04-02 2007-12-19 Lagerelement für eine polsterauflage von sitz- und liegeflächen

Country Status (8)

Country Link
US (1) US8256043B2 (pl)
EP (1) EP2139366B1 (pl)
CN (1) CN101652086B (pl)
DE (1) DE202007000005U1 (pl)
DK (1) DK2139366T3 (pl)
ES (1) ES2386208T3 (pl)
PL (1) PL2139366T3 (pl)
WO (1) WO2008119400A1 (pl)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009004803U1 (de) * 2009-05-12 2010-07-15 Froli Kunststoffwerk Heinrich Fromme Ohg Federkernelement für den Einsatz in eine Matratze, beispielsweise Taschenfederkernmatratze
DE102010045733A1 (de) * 2010-07-30 2012-02-02 Siegbert Hartmann Auflagerelement einer Sitz- oder Liegemöbelunterfederung
DE202010015380U1 (de) * 2010-11-11 2012-02-17 Hermann Bock Gmbh Federelement
DE202011050741U1 (de) 2011-07-15 2012-07-16 Froli Kunststoffwerk Heinrich Fromme Ohg Auflagevorrichtung für eine Polsterunterlage einer Liege- oder Sitzfläche
DE202014104824U1 (de) * 2014-10-08 2015-10-09 Froli Kunststoffwerk Heinrich Fromme, Inh. Margret Fromme-Ruthmann E.Kfr. Anordnung mit mehreren Federelementen für eine Polsterunterlage
FR3035579B1 (fr) * 2015-04-30 2017-12-08 Tournadre Sa Standard Gum Dispositif monobloc de suspension de matelas
WO2018064029A1 (en) * 2016-09-29 2018-04-05 Steelcase Inc. Compliant seating structure
EP3403538A1 (en) * 2017-05-16 2018-11-21 Bekina Indurub Adaptable mattress support element
CN110397701A (zh) * 2019-06-17 2019-11-01 华为技术有限公司 一种隔振装置、隔振系统及交通工具
CN114502039B (zh) 2019-09-18 2025-05-16 斯迪尔科斯公司 具有格架构造的身体支撑构件
US20210307523A1 (en) 2020-04-07 2021-10-07 Lg Electronics Inc. Bed
KR102795680B1 (ko) 2020-04-07 2025-04-15 엘지전자 주식회사 침대
KR20210124678A (ko) 2020-04-07 2021-10-15 엘지전자 주식회사 쿠션 부재 및 이를 구비하는 침대
CN113491414A (zh) 2020-04-07 2021-10-12 Lg电子株式会社 床
KR102795695B1 (ko) 2020-04-07 2025-04-15 엘지전자 주식회사 침대
KR20210124675A (ko) 2020-04-07 2021-10-15 엘지전자 주식회사 침대
KR102795696B1 (ko) 2020-04-07 2025-04-15 엘지전자 주식회사 침대의 제어 방법
KR20210124676A (ko) 2020-04-07 2021-10-15 엘지전자 주식회사 쿠션 강도 제어 유닛 및 이를 구비한 침대
KR102795686B1 (ko) 2020-04-07 2025-04-15 엘지전자 주식회사 침대
KR102795693B1 (ko) 2020-04-07 2025-04-15 엘지전자 주식회사 침대
KR102795690B1 (ko) 2020-04-07 2025-04-15 엘지전자 주식회사 침대
KR20210124674A (ko) 2020-04-07 2021-10-15 엘지전자 주식회사 쿠션 부재 및 이를 구비하는 침대
KR20210124682A (ko) 2020-04-07 2021-10-15 엘지전자 주식회사 침대의 제어 방법
DE202023104680U1 (de) * 2023-08-17 2023-09-07 Froli Kunststoffwerk e.Kfr. Federelement für eine Polsterunterlage und Anordnung mit mehreren Federelementen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29712720U1 (de) * 1997-07-18 1998-09-10 Froli Kunststoffe Heinrich Fromme, 33758 Schloß Holte-Stukenbrock Lagerelement für Sitz- oder Liegeflächen sowie Unterbau dafür
DE29916753U1 (de) * 1999-09-23 2000-11-23 FROLI Kunststoffwerk Heinrich Fromme oHG, 33758 Schloß Holte-Stukenbrock Federelement für Sitz- oder Liegeflächen
DE10024530A1 (de) * 2000-05-18 2001-11-22 Heidinger Florian Stützvorrichtung
DE20300248U1 (de) * 2002-07-31 2003-09-11 Froli Kunststoffwerk Heinrich Federelement für Betten
DE20318252U1 (de) * 2003-11-24 2004-12-30 Froli Kunststoffwerk Heinrich Fromme Ohg Polsterung für Sitze und Rückenlehnen
DE202005010441U1 (de) * 2005-06-30 2006-08-10 Froli Kunststoffwerk Heinrich Fromme Ohg Federelement für Polsterungen mit Oberfeder und Unterfeder

Also Published As

Publication number Publication date
DE202007000005U1 (de) 2008-05-08
ES2386208T3 (es) 2012-08-13
CN101652086A (zh) 2010-02-17
US8256043B2 (en) 2012-09-04
US20100058536A1 (en) 2010-03-11
DK2139366T3 (da) 2012-08-27
PL2139366T3 (pl) 2012-10-31
CN101652086B (zh) 2012-11-07
EP2139366A1 (de) 2010-01-06
WO2008119400A1 (de) 2008-10-09

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