EP1386564B1 - Springelement for a sitting or lying furniture - Google Patents

Springelement for a sitting or lying furniture Download PDF

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Publication number
EP1386564B1
EP1386564B1 EP03017157A EP03017157A EP1386564B1 EP 1386564 B1 EP1386564 B1 EP 1386564B1 EP 03017157 A EP03017157 A EP 03017157A EP 03017157 A EP03017157 A EP 03017157A EP 1386564 B1 EP1386564 B1 EP 1386564B1
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EP
European Patent Office
Prior art keywords
support
spring element
spring
plate
legs
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EP03017157A
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German (de)
French (fr)
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EP1386564A1 (en
Inventor
Heinrich Fromme
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Froli Kunststoffwerk Heinrich Fromme OHG
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Froli Kunststoffwerk Heinrich Fromme OHG
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Publication of EP1386564A1 publication Critical patent/EP1386564A1/en
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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
    • A47C23/002—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 spring element for sitting or lying surfaces with a fixable on a base foot plate, are supported on the at least two outwardly facing spring arms whose free ends cooperate with a support plate, wherein between the base plate and support plate, an elastic auxiliary body is used.
  • DE 93 17 114 proposes a arranged in the spring element, inner support body: such support body are exchanged to change the spring characteristic, a graded or a continuous setting of Spring characteristic is not possible.
  • the elastic support body used in the spring element has a support ring with which it is supported on the base plate of the spring element.
  • the support ring on the base plate of the spring element is freely rotatable.
  • the support body can take any angular position relative to the spring element.
  • the opening of the ring element of the support ring is provided such that the means for fixing the spring element are recessed on the base.
  • the auxiliary body of the support element can already be used preparatory in the manufacture of the spring elements.
  • the elastic support body has at least two support arms.
  • the curvature corresponds to the spring arms of the spring element.
  • the hardness of the suspension of the spring element influenced by the position of the support arms of the support element relative to the spring arms of the spring element. In the one extreme position, in which the spring arms of the spring element lie in alignment with the support arms, these are under load of the spring element supporting the spring arms, so that their elastic compliance is reduced and so the hardness of the spring element is increased.
  • the support body if the support body is in the other extreme position, the support arms of the support body are in gap with the spring arms of the spring element and thus can not bear against it in a supporting manner. This eliminates the increase in the hardness of the spring element and the spring element has a lower degree of hardness. It goes without saying that the spring element can be used without this support body, and then has its original hardness. Furthermore, it goes without saying that intermediate values can also be set.
  • the support plate is adapted to receive a plate top, which is firmly connected to the support plate of the spring element - for example, by positive means.
  • a plate attachment is advantageously provided with cantilevered arms, which is in a causal relationship with the support plate.
  • the cantilevered arms and the corresponding, inwardly facing parts of the support plates on noses and depressions or recesses, which fix the position of the plate attachment relative to the support plate of the spring element in cooperation.
  • a control disc is arranged in the support body so that they engage in the apex of the U- or V-shaped configuration of the support arms. Peripheral close are provided on the adjusting disc for each of the support arms strips, which rise from the surface of the support disc with increasing height and interact in the manner of "inclined planes" with the corresponding sections, raise them from their normal position and thus change their spring stiffness.
  • this adjusting disc is firmly connected to two opposing spring arms of the spring element, so that the support body is rotated relative to the adjusting disk.
  • the strips formed as inclined plane then act as an adjusting organ the spring stiffness, by more or less lifting and biasing the end arms of the support spring.
  • At least these two extreme positions are adjustable in that the support plate and support plate have stops that limit the two extreme positions.
  • the plate attachment is rotated relative to the support plate, wherein the support insert and the spring element latching cooperating means, such as in the form of lugs and corresponding recesses or recesses. If a nose engages in such a depression, this position is fixed and can only be changed by bringing this nose out of this depression by means of a certain force that elastically deforms the parts. This makes it possible to change the degree of hardness of the spring element by rotation of the support body relative to the spring element between the minimum value and the maximum value.
  • these lugs are arranged annularly, wherein the one plate, the support plate or the support plate is provided with at least one nose, the other of the plate, the support plate or the support plate, a plurality of lugs, which arranged at least circular segment, the adjustment cover.
  • the support plate is provided to improve the ventilation with means that lift the unloaded mattress: such agents are known per se from DE 200 01 616.
  • the support plate on annular portion-shaped recesses, in which the mattress lifter are used. These are provided with terminal mounting arms, which in turn are fixed together with the spring arms of the spring element on the support plate. This type of insertion of the mattress lifter allows a particularly simple and therefore economical production.
  • the example of DE 297 21 655 known spring element 1 has a base plate 2, with which the spring element 1 on a pad (not shown in detail) is placed and supported.
  • This pad may be a plate or, as with a slatted frame, a number of equidistant, parallel slats.
  • From the base plate 2 of the spring element 1 extend first outwardly directed spring arms 3, which are provided with a corrugated spring part 3.1, to which the attachment ends 3.2 are formed.
  • On these attachment ends 5.2 a support plate 5 is placed, which is approximately parallel to the base plate 2 is aligned and has the openings that allow a rear ventilation of the laid mattress (not shown).
  • the support plate is advantageously divided, it has terminal surfaces 5.1, which are connected via spacers 5.2 with each other to the support plate 5.
  • the support body 10 is arranged in the spring element 1, with which the degree of hardness of the spring element can be adjusted.
  • This support body 10 is placed over a support ring 11 on the base plate. Through the opening of the support ring 11 provided centrally in the base plate fasteners are freely accessible.
  • Support arms 12 extend outward from the support ring 11, wherein these support arms 12 are adapted to the spring arms 3 at least in the region of the outwardly directed arm parts in their curvature. At approximately half the height, the support arms 12 are bent towards the center and form end arms 13, wherein the free ends 13.1 merge into a lying on the central axis of the spring element 1 support plate 14.
  • a plate attachment 20 is provided. To accommodate this plate attachment 20 on the support plate 14, this has a central hole 15 into which engages the central pin 21 of the plate attachment; this central pin is advantageously slotted, so that it can be used with a possible bias by the slit biasing in the support plate 14.
  • This plate attachment 20 has further projecting arms 22 which are provided with terminal pins 23.
  • the intermediate pieces 6, which together with the end faces 5 of the spring element. 1 form its support plates are provided with openings 8 which receive these pins 23.
  • the thus inserted plate top 20 is thus set relative to the support plate, while the support body 10 relative to the plate top 20 is freely rotatable.
  • the support plate 14 is provided with an adjustment rim configured in a handy manner 14.1 provided.
  • Support plate 14 and plate attachment 20 have on the sides facing each other cooperating locking means, which are shown in Figure 4 by way of example as Einstellö réelleen 16 in the support plate 14 and cooperating with these adjustment pin 25 on de underside of the plate top 20, without limitation thereto. It goes without saying that such latching means can alternatively be provided between the base plate 2 of the spring element and the support ring 11.
  • the support body 30 is arranged, with which the spring stiffness of the spring element 1 can be adjusted.
  • a support body 30 of the second embodiment is inserted into the spring body formed by the spring arms 3.
  • This support body 30 is supported with its support ring 31 on the base plate 2 of the spring element 1. From this support ring go out two support springs 32, which are bent out approximately V-shaped to the outside, so that form outwardly facing apex 32.1.
  • the support ring 31 facing the part of the support spring 32 forms the support arm 33, the support plate 5 facing part of the end arm 34, the free ends 34.1 are connected to the support ring 35 and carry this.
  • this support ring 35 sets a support ring 8, which limits the inner central opening 5.3.
  • the support ring at least in some areas latching lugs 36 which cooperate detent with the tooth gaps of the provided in the support ring 8 teeth 8.1.
  • a Einstellknebel 37 is advantageously provided. With this adjusting knob 37, the support body 30 can be easily rotated relative to the spring element 1, so that the setting can be done from above in a simple manner.
  • a setting disc 40 is introduced, which has a collar 41.
  • 3 holders 42 are arranged corresponding to two opposing spring arms, which hold the adjusting disc 40 against rotation in position.
  • a spring tongue 43 presses against the support arm 33 and provides a grip.
  • the adjusting ring 41 is provided with an adjusting bar 44 which arises from the surface of the adjusting ring and rises in the manner of an inclined plane to a certain height above this surface. This adjustment bar abuts against the inside of the end arm 34 and causes its support, so that with increasing height additional hardness is brought into the spring system and the spring stiffness of the spring element 1 increases.
  • the desired setting remains fixed because the locking lugs 36 cooperate with the teeth 8.1 of the support ring 8 in the sense of a latching connection.
  • the support plate 5 circular arc-shaped recesses 6 - in the representation two opposite each other, occupying approximately a semicircle.
  • these are connected by holding webs 6 formed as a support ring 8 inner part of the support plate 5, said support webs 6 are guided so that the lying in the recesses 6 Lifterschreiben 53 of these retaining webs 7 under attack are.
  • spring arms 51 are integrally formed with a bow-like approach, which merge into spring arms 51. The ends of these spring arms 51 are provided with openings 52.
  • the spring arms 51 can be fixed to the arranged in the corner region of the terminal surfaces 5.1 of the support plate 5 fixing pins 9.
  • it is the same fastening pins 9, on which also the end faces 3.2 of the spring arms 3 of the spring element 1 are fixed.

Landscapes

  • Springs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

A bed frame has a mattress support surface formed of an array of spring units, each containing a support which may be rotated as required to change the degree of upthrust. The support (10) inner face has a curved base plate upon which the spring rests, bringing each sprung arm (3) into contact with the spring supporting arm.

Description

Die Erfindung betrifft ein Federelement für Sitz- oder Liegeflächen mit einer auf einer Unterlage festlegbaren Fußplatte, auf der mindestens zwei nach außen weisende Federarme abgestützt sind, deren freie Enden mit einem Auflageteller zusammenwirken, wobei zwischen Fußplatte und Auflageteller ein elastischer Hilfskörper eingesetzt ist.The invention relates to a spring element for sitting or lying surfaces with a fixable on a base foot plate, are supported on the at least two outwardly facing spring arms whose free ends cooperate with a support plate, wherein between the base plate and support plate, an elastic auxiliary body is used.

Polsterelement mit einer Vielzahl von in regelmäßigen Mustern angeordneten Federelementen sind beispielsweise aus DE 93 17 114 bekannt, bei dem jedes Federelement als Kunststoffteil ausgebildet ist und mit einem Fußteil und einer Kopfplatte versehen ist, zwischen denen ein elastischer Federkörper angeordnet ist. Jedes Federelement ist mit seinem Fußteil oder einer Fußplatte in Reihen und Spalten auf einer Unterlage befestigt. Die Kopfplatten bilden die Auflagefläche des Polsterelements. Dabei überdecken die Federelemente - abgesehen von den rand- und eckständigen Federelementen - in ihrer Gesamtheit die Sitz- oder Liegefläche annähernd vollständig. Bei Belastung werden diese Federelemente zusammengedrückt, bei Entlastung richten sich diese an sich allein wieder auf. Um die Federcharakteristiken abstufen zu können, oder um sicheres Wiederaufrichten auch nach längerem Gebrauch oder Überlastung sicher zu stellen schlägt DE 93 17 114 einen im Federelement angeordneten, innerer Stützkörper vor: derartige Stützkörper werden zur Änderung der Federcharakteristik ausgetauscht, ein abgestuftes oder ein kontinuierliches Einstellen der Federcharakteristik ist so nicht möglich.Upholstery element with a plurality of arranged in regular patterns spring elements are known for example from DE 93 17 114, in which each spring element is designed as a plastic part and is provided with a foot and a top plate, between which an elastic spring body is arranged. Each spring element is fastened with its foot part or a foot plate in rows and columns on a base. The head plates form the bearing surface of the cushion element. In this case, cover the spring elements - apart from the edge and eckständigen spring elements - in their entirety the sitting or lying surface almost completely. When loaded, these spring elements are compressed, they relieve themselves on their own. To be able to graduate the spring characteristics, or to ensure safe re-erection even after prolonged use or overload DE 93 17 114 proposes a arranged in the spring element, inner support body: such support body are exchanged to change the spring characteristic, a graded or a continuous setting of Spring characteristic is not possible.

Daraus ergibt sich die Aufgabenstellung, dieses Federelement so weiter zu bilden, dass seine Härte zumindest abgestuft eingestellt werden kann, wobei eine wirtschaftliche Herstellung gewährleistet sein soll.This results in the task to form this spring element so that its hardness can be set at least graded, with an economic production should be guaranteed.

Diese Aufgabe wird mit den kennzeichnenden Merkmalen des Hauptanspruchs gelöst: vorteilhafte Weiterbildungen und bevorzugte Ausführungsformen beschreiben die Unteransprüche.This object is achieved with the characterizing features of the main claim: advantageous developments and preferred embodiments describe the dependent claims.

Der in das Federelement eingesetzte elastische Stützkörper weist einen Auflagering auf, mit dem dieser auf der Fußplatte des Federelements abgestützt ist. Der Auflagering auf der Fußplatte des Federelements ist dabei frei drehbar. Somit kann der Stützkörpers jede Winkelstellung gegenüber dem Federelement einnehmen. Dabei ist die Öffnung des Ringelements des Auflageringes derart vorgesehen, dass die Mittel zur Befestigung des Federelements auf der Unterlage ausgespart sind. Dadurch kann der Hilfskörper des Stützelements bereits vorbereitend bei der Herstellung der Federelemente eingesetzt werden.The elastic support body used in the spring element has a support ring with which it is supported on the base plate of the spring element. The support ring on the base plate of the spring element is freely rotatable. Thus, the support body can take any angular position relative to the spring element. In this case, the opening of the ring element of the support ring is provided such that the means for fixing the spring element are recessed on the base. As a result, the auxiliary body of the support element can already be used preparatory in the manufacture of the spring elements.

An diesem Auflagering setzen nach außen weisende, blattfederartig ausgebildete, in V- oder U-Form ausgestaltete Stützarme mit radial nach außen gerichteten Scheitel an, deren freie Enden zu einem Stützteller zusammengeführt sind, der mit dem Auflageteller zusammenwirkend, diesen abstützt. Vorteilhaft weist der elastische Stützkörper zumindest zwei Stützarme auf.At this support ring put outwardly facing, leaf-spring-like formed in V- or U-shaped support arms with radially outwardly directed vertex, whose free ends are brought together to form a support plate cooperating with the support plate, this supports. Advantageously, the elastic support body has at least two support arms.

Bei einer ersten Ausführungsform entspricht die Krümmung den Federarmen des Federelementes. Dadurch wird die Härte der Federung des Federelements von der Lage der Stützarme des Stützelementes gegenüber den Federarmen des Federelements beeinflusst. In der einen Extrem-Stellung, in der die Federarme des Federelements in Flucht mit den Stützarmen liegen, legen sich diese bei Belastung des Federelements stützend an die Federarme an, so dass deren elastische Nachgiebigkeit verringert und so die Härte des Federelements vergrößert ist. Liegt dagegen der Stützkörper in der anderen Extrem-Stellung, befinden sich die Stützarme des Stützkörpers auf Lücke zu den Federarmen des Federelements und können somit nicht stützend an diese anliegen. Dadurch entfällt die Vergrößerung der Härte des Federelements und das Federelement weist einen geringeren Härtegrad auf. Dabei versteht es sich von selbst, dass das Federelement auch ohne diesen Stützkörper einsetzbar ist, und dann seine ursprüngliche Härte aufweist. Weiter versteht es sich von selbst, dass auch Zwischenwerte einstellbar sind.In a first embodiment, the curvature corresponds to the spring arms of the spring element. As a result, the hardness of the suspension of the spring element influenced by the position of the support arms of the support element relative to the spring arms of the spring element. In the one extreme position, in which the spring arms of the spring element lie in alignment with the support arms, these are under load of the spring element supporting the spring arms, so that their elastic compliance is reduced and so the hardness of the spring element is increased. On the other hand, if the support body is in the other extreme position, the support arms of the support body are in gap with the spring arms of the spring element and thus can not bear against it in a supporting manner. This eliminates the increase in the hardness of the spring element and the spring element has a lower degree of hardness. It goes without saying that the spring element can be used without this support body, and then has its original hardness. Furthermore, it goes without saying that intermediate values can also be set.

In einer bevorzugten Weiterbildung ist der Stützteller zur Aufnahme eines Telleraufsatzes eingerichtet, der mit dem Auflageteller des Federelements - beispielweise durch formschlüssige Mittel - fest verbunden ist. Ein solcher Telleraufsatz ist vorteilhaft mit auskragenden Armen versehen, die mit dem Auflageteller in einem Wirkungszusammenhang steht. Dazu weisen die auskragenden Arme und die dazu korrespondierenden, nach innen weisenden Teile der Auflageteller Nasen und Vertiefungen bzw. Ausnehmungen auf, die im Zusammenwirken die Stellung des Telleraufsatzes gegenüber dem Auflageteller des Federelements fixieren.In a preferred development of the support plate is adapted to receive a plate top, which is firmly connected to the support plate of the spring element - for example, by positive means. Such a plate attachment is advantageously provided with cantilevered arms, which is in a causal relationship with the support plate. For this purpose, the cantilevered arms and the corresponding, inwardly facing parts of the support plates on noses and depressions or recesses, which fix the position of the plate attachment relative to the support plate of the spring element in cooperation.

Bei einer zweiten Ausführungsform ist eine Stellscheibe in dem Stützkörper so angeordnet, dass sie in die Scheitel der U- oder V-förmigen Ausgestaltung der Stützarme eingreifen. Peripherienah sind auf der Stellscheibe für jeden der Stützarme Leisten vorgesehen, die sich aus der Fläche der Stützscheibe mit ansteigender Höhe erheben und in Art von "schiefen Ebenen" mit den korrespondierenden Abschnitten zusammenwirken, diese gegenüber ihrer Normallage anheben und so deren Federhärte verändern. Dabei ist diese Stellscheibe mit zwei einander gegenüberliegenden Federarmen des Federelements fest verbunden, so dass der Stützkörper gegenüber der Stellscheibe verdreht wird. Die als schiefe Ebene ausgebildeten Leisten wirken dann als Verstellorgan der Federhärte, indem sie die Endarme der Stützfeder mehr oder weniger anheben und so vorspannen.In a second embodiment, a control disc is arranged in the support body so that they engage in the apex of the U- or V-shaped configuration of the support arms. Peripheral close are provided on the adjusting disc for each of the support arms strips, which rise from the surface of the support disc with increasing height and interact in the manner of "inclined planes" with the corresponding sections, raise them from their normal position and thus change their spring stiffness. In this case, this adjusting disc is firmly connected to two opposing spring arms of the spring element, so that the support body is rotated relative to the adjusting disk. The strips formed as inclined plane then act as an adjusting organ the spring stiffness, by more or less lifting and biasing the end arms of the support spring.

Vorteilhaft werden zumindest diese beiden Extremstellungen dadurch einstellbar, dass Stützteller und Auflageteller Anschläge aufweisen, die die beiden Extremstellungen begrenzen. Um bei diesen Ausführungsformen Zwischenstellungen und somit weitere Winkellagen des Stützkörpers gegenüber dem Federelement einstellen und fixieren zu können, wird der Telleraufsatz gegenüber dem Stützteller verdreht, wobei der Stützeinsatz und das Federelement rastend zusammenwirkende Mittel aufweisen, etwa in Form von Nasen und korrespondierenden Vertiefungen oder Ausnehmungen. Greift eine Nase in eine solche Vertiefung, ist diese Stellung fixiert und kann nur dadurch verändert werden, dass diese Nase aus dieser Vertiefung mittels eines gewissen, die Teile elastisch verformenden Kraftaufwand herausgebracht wird. Damit ist es möglich, den Härtegrad des Federelements durch Verdrehung des Stützkörpers gegenüber dem Federelement zwischen dem Minimalwert und dem Maximalwert zu verändern.Advantageously, at least these two extreme positions are adjustable in that the support plate and support plate have stops that limit the two extreme positions. In order to set and fix intermediate positions and thus further angular positions of the support body relative to the spring element in these embodiments, the plate attachment is rotated relative to the support plate, wherein the support insert and the spring element latching cooperating means, such as in the form of lugs and corresponding recesses or recesses. If a nose engages in such a depression, this position is fixed and can only be changed by bringing this nose out of this depression by means of a certain force that elastically deforms the parts. This makes it possible to change the degree of hardness of the spring element by rotation of the support body relative to the spring element between the minimum value and the maximum value.

Vorteilhaft sind diese Nasen ringförmig angeordnet, wobei der eine Teller, der Stützteller oder der Auflageteller, mit mindestens einer Nase versehen ist, weist der andere der Teller, der Stützteller oder der Auflageteller, eine Vielzahl von Nasen aus, die zumindest kreisabschnittförmig angeordnet, den Verstellbereich überdecken.Advantageously, these lugs are arranged annularly, wherein the one plate, the support plate or the support plate is provided with at least one nose, the other of the plate, the support plate or the support plate, a plurality of lugs, which arranged at least circular segment, the adjustment cover.

In einer Weiterbildung wird der Auflageteller zum Verbessen der Hinterlüftung mit Mitteln versehen, die die unbelastete Matratze liften: solche Mittel sind an sich aus DE 200 01 616 bekannt. Bei den vorliegenden Ausgestaltungen weist der Auflageteller ringabschnittförmige Ausnehmungen auf, in die die Matratzenlifter eingesetzt sind. Diese sind mit endständigen Befestigungsarmen versehen, die ihrerseits zusammen mit den Federarmen des Federelementes an dessen Auflageteller festgelegt sind. Diese Art des Einsetzens des Matratzenlifters ermöglicht eine besonders einfache und damit wirtschaftliche Herstellung.In a further development of the support plate is provided to improve the ventilation with means that lift the unloaded mattress: such agents are known per se from DE 200 01 616. In the present embodiments, the support plate on annular portion-shaped recesses, in which the mattress lifter are used. These are provided with terminal mounting arms, which in turn are fixed together with the spring arms of the spring element on the support plate. This type of insertion of the mattress lifter allows a particularly simple and therefore economical production.

Das Wesen der Erfindung wird an Hand der in den Figuren 1 bis 10 dargestellten Ausführungsbeispielen näher erläutert: dabei zeigen:

Figur 1:
Federelement erste Ausführungsform mit Stützkörper, Aufsicht,
Fig. 1a: Stützarme in Flucht mit Federarmen,
Fig. 1b: Stützarme auf Lücke mit Federarmen:
Figur 2:
Federelement entspr. Fig. 1, Isometrie von oben,
Fig. 2a: Stützarme in Flucht mit Federarmen,
Fig. 2b: Stützarme auf Lücke mit Federarmen;
Figur 3:
Stützkörper erste Ausführungsform, Isometrie von oben;
Figur 4:
Stützkörper erste Ausführungsform mit Telleraufsatz,
Fig. 4a: Isometrie von oben:
Fig. 4b: Isometrie von unten:
Figur 5:
Telleraufsatz erste Ausführungsform,
Fig. 5a: Isometrie von oben,
Fig. 5b: Isometrie von unten.
Figur 6:
Federelement zweite Ausführungsform mit Stützkörper,
Fig. 6a: Isometrie von oben.
Fig. 6b: Isometrie von unten:
Figur 7:
Stützköper zweite Ausführungsform,
Fig. 7a: Stützeinsatz komplett, isometrische Darstellung
Fig. 7b: Stützköper, isometrische Darstellung.
Fig. 7c: Stellteller, isometrische Darstellung.
Figur 8 :
Auflageteller zweite Ausführungsform, Untersicht;
Figur 9:
Federelement zweite Ausführungsform mit Matratzenlifter.
Fig. 9a: Isometrie von oben,
Fig. 9b: Isometrie von unten;
Figur 10:
Federelement zweite Ausführungsform mit Matratzenlifter, Explosionsdarstellung.
The essence of the invention will be explained in more detail with reference to the exemplary embodiments illustrated in FIGS. 1 to 10, in which:
FIG. 1:
Spring element first embodiment with support body, top view,
1a: support arms in flight with spring arms,
Fig. 1b: Support arms on gap with spring arms:
FIG. 2:
Spring element according to FIG. 1, isometric view from above,
2a: support arms in flight with spring arms,
Fig. 2b: Support arms on gap with spring arms;
FIG. 3:
Support body first embodiment, isometric view from above;
FIG. 4:
Support body first embodiment with plate attachment,
Fig. 4a: Isometry from above:
Fig. 4b: Isometry from below:
FIG. 5:
Plate attachment first embodiment,
5a: isometric view from above,
Fig. 5b: isometric view from below.
FIG. 6:
Spring element second embodiment with supporting body,
Fig. 6a: isometric view from above.
Fig. 6b: Isometry from below:
FIG. 7:
Supporting body second embodiment,
Fig. 7a: support insert complete, isometric view
Fig. 7b: supporting body, isometric view.
Fig. 7c: Stellellteller, isometric view.
FIG. 8:
Support plate second embodiment, soffit;
FIG. 9:
Spring element second embodiment with mattress lifter.
9a: isometric view from above,
Fig. 9b: isometric view from below;
FIG. 10:
Spring element second embodiment with mattress lifter, exploded view.

Das beispielsweise aus DE 297 21 655 bekannte Federelement 1 weist eine Fußplatte 2 auf, mit der das Federelement 1 auf einer Unterlage (nicht näher dargestellt) aufgesetzt und abgestützt ist. Diese Unterlage kann eine Platte sein, oder - wie bei einem Lattenrost - eine Anzahl äquidistanter, parallel verlaufender Latten. Von der Fußplatte 2 des Federelements 1 verlaufen zunächst auswärts gerichtete Federarme 3, die mit einem Wellfederteil 3.1 versehen sind, an das deren Befestigungsenden 3.2 angeformt sind. Auf diese Befestigungsenden 5.2 ist ein Auflageteller 5 aufgesetzt, der etwa parallel zu der Fußplatte 2 ausgerichtet ist und der Öffnungen aufweist, die eine Hinterlüftung der aufgelegten Matratze (nicht näher dargestellt) ermöglichen. Der Auflageteller ist vorteilhaft unterteilt, er weist endständige Flächen 5.1 auf, die über Zwischenstücke 5.2 miteinander zu dem Auflageteller 5 verbunden sind.The example of DE 297 21 655 known spring element 1 has a base plate 2, with which the spring element 1 on a pad (not shown in detail) is placed and supported. This pad may be a plate or, as with a slatted frame, a number of equidistant, parallel slats. From the base plate 2 of the spring element 1 extend first outwardly directed spring arms 3, which are provided with a corrugated spring part 3.1, to which the attachment ends 3.2 are formed. On these attachment ends 5.2 a support plate 5 is placed, which is approximately parallel to the base plate 2 is aligned and has the openings that allow a rear ventilation of the laid mattress (not shown). The support plate is advantageously divided, it has terminal surfaces 5.1, which are connected via spacers 5.2 with each other to the support plate 5.

Bei der ersten Ausführungsform ist in dem Federelement 1 der Stützkörper 10 angeordnet, mit dem der Härtegrad des Federelements eingestellt werden kann. Dieser Stützkörper 10 ist über einen Auflagering 11 auf der Fußplatte aufgelegt. Durch die Öffnung des Auflageringes 11 sind zentral in der Fußplatte vorgesehene Befestigungselemente frei zugängig. Von dem Auflagering 11 erstrecken sich Stützarme 12 auswärts, wobei diese Stützarme 12 den Federarmen 3 zumindest im Bereich der auswärts gerichteten Armteile in ihrer Krümmung angepasst sind. In etwa halber Höhe sind die Stützarme 12 zum Zentrum hin abgebogen und bilden Endarme 13, wobei deren freien Enden 13.1 in einen auf der zentralen Achse des Federelements 1 liegenden Stützteller 14 übergehen.In the first embodiment, the support body 10 is arranged in the spring element 1, with which the degree of hardness of the spring element can be adjusted. This support body 10 is placed over a support ring 11 on the base plate. Through the opening of the support ring 11 provided centrally in the base plate fasteners are freely accessible. Support arms 12 extend outward from the support ring 11, wherein these support arms 12 are adapted to the spring arms 3 at least in the region of the outwardly directed arm parts in their curvature. At approximately half the height, the support arms 12 are bent towards the center and form end arms 13, wherein the free ends 13.1 merge into a lying on the central axis of the spring element 1 support plate 14.

Um eine Verbindung zu dem Auflageteller des Federelements 1 zu erhalten, ist ein Telleraufsatz 20 vorgesehen. Zur Aufnahme dieses Telleraufsatzes 20 auf dem Stützteller 14 weist dieser ein Zentralloch 15 auf, in das der Zentralzapfen 21 des Telleraufsatzes eingreift; dieser Zentralzapfen wird vorteilhaft geschlitzt, so dass er mit einer durch die Schlitzung mögliche Vorspannung in den Stützteller 14 eingesetzt werden kann.In order to obtain a connection to the support plate of the spring element 1, a plate attachment 20 is provided. To accommodate this plate attachment 20 on the support plate 14, this has a central hole 15 into which engages the central pin 21 of the plate attachment; this central pin is advantageously slotted, so that it can be used with a possible bias by the slit biasing in the support plate 14.

Dieser Telleraufsatz 20 weist weiter auskragende Arme 22 auf, die mit endständigen Zapfen 23 versehen sind. Die Zwischenstücke 6, die zusammen mit den endständigen Flächen 5 des Federelements. 1 dessen Auflageteller bilden, sind mit Öffnungen 8 versehen, die diese Zapfen 23 aufnehmen. Der so eingesetzte Telleraufsatz 20 ist damit gegenüber dem Auflageteller festgelegt, während der Stützköper 10 gegenüber dem Telleraufsatz 20 frei verdrehbar ist.This plate attachment 20 has further projecting arms 22 which are provided with terminal pins 23. The intermediate pieces 6, which together with the end faces 5 of the spring element. 1 form its support plates are provided with openings 8 which receive these pins 23. The thus inserted plate top 20 is thus set relative to the support plate, while the support body 10 relative to the plate top 20 is freely rotatable.

Um nun zum Verändern des Härtegrades des Federelements den Stützkörper 10 gegenüber dem Federelement 1 einstellbar verdrehen zu können ist der Stützteller 14 mit einem griffig ausgestalteten Einstellrand 14.1 versehen. Stützteller 14 sowie Telleraufsatz 20 weisen an den einander zugewandten Seiten miteinander zusammenwirkende Rastmittel auf, die in Figur 4 beispielhaft als Einstellöffnungen 16 in dem Stützteller 14 und mit diesen zusammenwirkende Einstellzapfen 25 an de Unterseite des Telleraufsatzes 20 dargestellt sind, ohne Beschränkung darauf. Dabei versteht es sich von selbst, dass derartige Rastmittel alternativ auch zwischen der Fußplatte 2 des Federelements und dem Auflagering 11 vorgesehen werden können.In order to be able to adjustably rotate the support body 10 with respect to the spring element 1 in order to change the degree of hardness of the spring element, the support plate 14 is provided with an adjustment rim configured in a handy manner 14.1 provided. Support plate 14 and plate attachment 20 have on the sides facing each other cooperating locking means, which are shown in Figure 4 by way of example as Einstellöffnungen 16 in the support plate 14 and cooperating with these adjustment pin 25 on de underside of the plate top 20, without limitation thereto. It goes without saying that such latching means can alternatively be provided between the base plate 2 of the spring element and the support ring 11.

Mit Hilfe dieser Kombination von Einstellnasen 25 und Einstellöffnung 16 lässt sich der ansonsten auf der Fußplatte 2 des Federelements 1 sowie gegenüber dem Telleraufsatz 20 frei drehbare Stützkörper einstellbar so verdrehen, dass seine Stützarme 12 in einer seiner Extremlagen mit den Federarmen 3 des Federelements fluchten, während die Stützarme 12 in der anderen Extremlage zu den Federarmen 3 des Federelements 1 auf Lücke stehen, wobei auch noch Zwischenlagen möglich sind. Das Einstellen erfolgt dabei durch Verdrehen des Stützkörpers 10 gegenüber dem Federelement 1, wobei in der "richtigen" Stellung jeweils eine der Einstellnasen 25 des Telleraufsatzes 20 in eine der Einstellöffnungen 15 des Stütztellers 14 des Stützkörpers 10 eingreift und diese Stellung so fühlbar markieren.With the help of this combination of Einstellnasen 25 and Einstellöffnung 16 which otherwise on the base plate 2 of the spring element 1 and with respect to the plate attachment 20 freely rotatable support body can be adjustably rotated so that its support arms 12 are aligned in one of its extreme positions with the spring arms 3 of the spring element while the support arms 12 are in gap in the other extreme position to the spring arms 3 of the spring element 1, wherein even intermediate layers are possible. The setting takes place by turning the support body 10 relative to the spring element 1, wherein in the "correct" position each one of the Einstellnasen 25 of the plate attachment 20 engages in one of the adjustment openings 15 of the support plate 14 of the support body 10 and mark this position so tangible.

Bei der zweiten Ausführungsform ist in dem Federelement 1, das in seinem Aufbau im Wesentlichen dem Aufbau des vorbeschriebenen Federelements entspricht, der Stützkörper 30 angeordnet, mit dem die Federhärte des Federelements 1 eingestellt werden kann. Dazu ist in den von den Federarmen 3 gebildeten Federkörper ein Stützkörper 30 der zweiten Ausführungsform eingesetzt. Dieser Stützkörper 30 ist mit seinem Auflagering 31 an der Fußplatte 2 des Federelementes 1 abgestützt. Von diesem Auflagering gehen zwei Stützfedern 32 aus, die etwa V-förmig nach außen ausgebogen sind, so dass sich nach außen weisende Scheitel 32.1 bilden. Der dem Auflagering 31 zugewandte Teil der Stützfeder 32 bildet den Stützarm 33, der dem Auflageteller 5 zugewandte Teil den Endarm 34, dessen freie Enden 34.1 mit dem Stützring 35 verbunden sind und diesen tragen.In the second embodiment, in the spring element 1, which in its construction substantially corresponds to the structure of the above-described spring element, the support body 30 is arranged, with which the spring stiffness of the spring element 1 can be adjusted. For this purpose, a support body 30 of the second embodiment is inserted into the spring body formed by the spring arms 3. This support body 30 is supported with its support ring 31 on the base plate 2 of the spring element 1. From this support ring go out two support springs 32, which are bent out approximately V-shaped to the outside, so that form outwardly facing apex 32.1. The support ring 31 facing the part of the support spring 32 forms the support arm 33, the support plate 5 facing part of the end arm 34, the free ends 34.1 are connected to the support ring 35 and carry this.

Gegen diesen Stützring 35 legt sich ein Auflagering 8, der die innere Zentralöffnung 5.3 begrenzt. Im dargestellten Ausführungsbeispiel weist der Stützring zumindest in einigen Bereichen Rastnasen 36 auf, die mit den Zahnlücken der in dem Auflagering 8 vorgesehenen Zähnen 8.1 rastend zusammenwirken. In diesem Stützring wird vorteilhaft ein Einstellknebel 37 vorgesehen. Mit diesem Einstellknebel 37 kann der Stützkörper 30 gegenüber dem Federelement 1 einfach verdreht werden, so dass das Einstellen von oben her in einfacher Weise erfolgen kann.Against this support ring 35 sets a support ring 8, which limits the inner central opening 5.3. In the illustrated embodiment the support ring, at least in some areas latching lugs 36 which cooperate detent with the tooth gaps of the provided in the support ring 8 teeth 8.1. In this support ring a Einstellknebel 37 is advantageously provided. With this adjusting knob 37, the support body 30 can be easily rotated relative to the spring element 1, so that the setting can be done from above in a simple manner.

In den Stützkörper 30 ist eine Stellscheibe 40 eingebracht, die einen Stellring 41 aufweist. An diesen Stellring 41 sind korrespondierend zu zwei einander gegenüberliegenden Federarmen 3 Halter 42 angeordnet, die die Stellscheibe 40 gegen ein Verdrehen in Position halten. Eine Federzunge 43 drückt gegen den Stützarm 33 und sorgt für einen Halt. Der Stellring 41 ist mit einer Verstellleiste 44 versehen, die aus der Fläche des Stellringes erwächst und in Art einer schiefen Ebene bis auf eine bestimmte Höhe über dieser Fläche ansteigt. Diese Verstellleiste liegt an der Innenseite des Endarms 34 an und bewirkt dessen Abstützung, so dass mit zunehmender Höhe zusätzliche Härte in das Federsystem gebracht wird und die Federhärte des Federelements 1 zunimmt. Die gewünschte Einstellung bleibt dabei fixiert, weil die Rastnasen 36 mit den Zähnen 8.1 des Auflagekranzes 8 im Sinne einer Rastverbindung zusammenwirken.In the support body 30, a setting disc 40 is introduced, which has a collar 41. At this adjusting ring 41 3 holders 42 are arranged corresponding to two opposing spring arms, which hold the adjusting disc 40 against rotation in position. A spring tongue 43 presses against the support arm 33 and provides a grip. The adjusting ring 41 is provided with an adjusting bar 44 which arises from the surface of the adjusting ring and rises in the manner of an inclined plane to a certain height above this surface. This adjustment bar abuts against the inside of the end arm 34 and causes its support, so that with increasing height additional hardness is brought into the spring system and the spring stiffness of the spring element 1 increases. The desired setting remains fixed because the locking lugs 36 cooperate with the teeth 8.1 of the support ring 8 in the sense of a latching connection.

Zur Aufnahme des Matratzenlifters 50 weist der Auflageteller 5 kreisbogenförmige Ausnehmungen 6 auf - in der Darstellung zwei einander gegenüberliegend angeordnet, die etwa einen Halbkreis einnehmen. Um die außen liegenden Ringteile des Auflagetellers 5 zu stabilisierten, sind diese über Haltestege 6 mit dem als Auflagering 8 ausgebildeten Innenteil des Auflagetellers 5 verbunden, wobei diese Haltestege 6 so geführt sind, dass die in den Ausnehmungen 6 liegenden Lifterrücken 53 von diesen Haltestegen 7 untergriffen sind. An die Lifterrücken 53 sind mit einem bügelartigen Ansatz Federarme 51 angeformt, die in Federarme 51 übergehen. Die Enden dieser Federarme 51 sind mit Öffnungen 52 versehen. Mittels dieser Öffnungen 52 können die Federarme 51 an den im Eckbereich der endständigen Flächen 5.1 des Auflagetellers 5 angeordneten Befestigungsstiften 9 festgelegt werden. Vorteilhaft sind es dieselben Befestigungsstifte 9, an denen auch die Endflächen 3.2 der Federarme 3 des Federelementes 1 festgelegt werden.To accommodate the Matatzlifters 50, the support plate 5 circular arc-shaped recesses 6 - in the representation two opposite each other, occupying approximately a semicircle. In order to stabilize the outer ring parts of the support plate 5, these are connected by holding webs 6 formed as a support ring 8 inner part of the support plate 5, said support webs 6 are guided so that the lying in the recesses 6 Lifterrücken 53 of these retaining webs 7 under attack are. At the Lifterrücken 53 spring arms 51 are integrally formed with a bow-like approach, which merge into spring arms 51. The ends of these spring arms 51 are provided with openings 52. By means of these openings 52, the spring arms 51 can be fixed to the arranged in the corner region of the terminal surfaces 5.1 of the support plate 5 fixing pins 9. Advantageously, it is the same fastening pins 9, on which also the end faces 3.2 of the spring arms 3 of the spring element 1 are fixed.

Claims (15)

  1. Spring element (1) for sitting or lying surfaces, having a foot plate (2) which can be fixed to a base, on which at least two outwardly pointing spring legs (3) are supported, the free ends (3.1) of which interact with a support plate (5), with an elastic auxiliary body being inserted between the foot plate (2) and the support plate (5), characterised in that the elastic auxiliary body is configured as a support body (10) which can be twisted in the spring element (1) to alter the level of hardness thereof, to the foot part of which, mounted on the inner side of the foot plate (2), with support ring (11), are attached at most as many support legs (12) adapted to the curvature of the spring legs (3) of the spring element (1) as there are spring legs (3) provided, said spring legs being arranged such that each of the support legs (12) can be brought into alignment with or spaced apart from a spring leg (3) and interacts therewith to influence the hardness of the spring element (1).
  2. Spring element as claimed in Claim 1, characterised in that the support legs (12) turn from the foot part configured as a support ring (11), in an outward direction, into end legs (13) oriented towards the central axis of the spring element (1), the free ends (13.1) of which end in a bearing plate (14).
  3. Spring element as claimed in Claim 1 or 2, characterised in that the bearing plate (14) has a central opening (15) as well as a mounted plate attachment (20) which is rotatably mounted with a central journal (21) engaging in the central opening (15) on the bearing plate (14), with the plate attachment (20) having projecting legs (22) which, provided with terminal noses (23), engage in corresponding openings (8) of the support plate (5), preferably formed by the terminal surfaces (5), and intermediate parts (6) connecting said terminal surfaces, with the number of the projecting legs (22) preferably corresponding to the number of spring legs (3) of the spring element (1) provided with terminal surfaces (3.2).
  4. Spring element as claimed in any one of Claims 1 to 3, characterised in that the free ends (13.1) of the end legs (13) of the support legs (12) of the support body (10) are in operative connection directly or indirectly with the support plate (5) of the spring element (1).
  5. Spring element as claimed in any one of Claims 1 to 4, characterised in that the support body (10) can be twisted in the spring element (1) in stages, such that each of the support legs (12) is aligned with the corresponding spring leg (3) in one extreme position, and that each of the support legs (12) is spaced from the spring legs (3) in the other extreme position, with at least the two extreme positions of the support body (10) being adjustable with respect to the spring element (1) and preferably adjustable by means of latching means.
  6. Spring element as claimed in Claim 5, characterised in that a number of adjustment openings (16) located concentrically to the central hole (15) or the central journal (21) as well as at least one adjustment journal (25) corresponding thereto are provided as latching means between the support ring (11) of the support body (10) and the foot plate (2) of the spring element (1) or between the bearing plate (14) of the support body (10) and the bearing plate of the spring element (1) or between the bearing plate (14) of the support body (10) and the plate attachment (20) mounted thereon and connected to the bearing plate of the spring element (1) or between the bearing plate (14) and the plate attachment (20).
  7. Spring element for sitting or lying surfaces having a foot plate which can be fixed to a base, on which at least two outwardly pointing spring legs are supported, the free ends of which interact with a bearing plate, with an elastic auxiliary body being inserted between the foot plate and the support plate, characterised in that the elastic auxiliary body is configured as a support body (30) which can be twisted in the spring element (1) to alter the level of hardness thereof, to the foot part of which mounted on the inner side of the foot plate (2), with support ring (31), is attached at least one pair of support springs (32), having support legs (33) which merge in an apex (32.1) with end legs (34) oriented towards the central axis of the spring element (1), the free ends (34.1) of which end legs end in a support ring (35), and that an actuating platelet (40) is inserted into these support springs (32), which actuating platelet is fixed to the spring legs (3) located opposite one another and that an actuating platelet (40) with an actuating ring (41) is inserted into this support spring (32), such that the circumference thereof is located in the outwardly oriented apexes (32.1) of the support springs (32), with actuating strips (44) curved in the form of a circular arc being provided on the actuating ring (41), which extending upwardly from the surface of the actuating ring (41) rise up to a maximum height and, supporting the support leg (33) or end leg (34) of the support spring (32), interact therewith to influence the hardness of the spring element (1).
  8. Spring element as claimed in Claim 7, characterised in that the actuating ring (41) has diametrally opposite disposed pairs of projections (42), the free distance of which corresponds to the width of the spring legs (3), and that a spring tongue (43) is located preferably between the two projections (42) of one pair for urging against the spring leg (3).
  9. Spring element as claimed in Claim 7 or 8, characterised in that the support body (10; 30) has a toggle (37) for adjusting the support body (10; 30), which, following assembly, is located in the central opening (5.3) of the support plate (5), with latching means preferably being provided for fixing the adjustments of the support body (10; 30) with respect to the spring element (1).
  10. Spring element as claimed in Claim 9, characterised by latching means between the support ring (11) of the support body (10) and the foot plate (2) of the spring element (1) or between the bearing plate (14) of the support body (10) and the support plate (5) of the spring element (1) or between the bearing plate (14) of the support body (10) and the plate attachment (20) mounted thereon and connected to the bearing plate of the spring element (1).
  11. Spring element as claimed in Claim 10, characterised in that the bearing plate or support ring (14; 31) has at least one group of noses (36) as latching means, and that the support plate (5) is provided with an annular groove (8), in the base of which toothing (8.1) interacting with the nose(s) (36) is provided.
  12. Spring element as claimed in Claim 10 or 11, characterised in that a number of adjustment openings (16) located concentrically to the central hole (15) or to the central journal (21) and at least one adjustment pin (25) corresponding thereto are provided as latching means between the bearing plate (14) and plate attachment (20).
  13. Spring element as claimed in any one of Claims 1 to 12, characterised by a mattress lifter (50) which is guided with its lifter back (53) through recesses (6) in the support plate (5), with the lifter back (53) being fixed by means of spring legs to the support plate (5), such that the lifter back (53) is pressed down when the mattress is loaded, so that the mattress rests on the support plate (5), whereas when the mattress is unloaded, the mattress lifter (50) lifts the mattress with its lifter back (53) off the support plate (5), with the lifter back (53) and the recesses (6) in the support plate (5) preferably being bent in the form of a circular section and the lifter back (53) being movable with play in these recesses (6), and in that the lifter back (53) has a return spring leg (51) at each of its two ends, said return sring leg being fixed to the support plate (5).
  14. Spring element as claimed in Claim 13, characterised in that fixing pins (9) are arranged, in order to fix the return spring legs (51) together with the spring legs (3), in the corner areas of the terminal surfaces (5.1) of the support plate (5), which fixing pins receive both the fixing ends (3.2) of the spring legs (3) and the fixing legs (51) of the mattress lifter (50).
  15. Spring element as claimed in any one of Claims 1 to 14, characterised in that the support body (10; 30) and/or the plate attachment (20) and the adjustment platelet (40) and/or the mattress lifter (50) having the lifter back (53) and the return spring legs (51) arranged at both ends thereof are formed as plastic parts, preferably as plastic injection-moulded parts.
EP03017157A 2002-07-31 2003-07-29 Springelement for a sitting or lying furniture Expired - Lifetime EP1386564B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20211765 2002-07-31
DE20211765U 2002-07-31
DE20300248U DE20300248U1 (en) 2002-07-31 2003-01-07 Bed frame spring has adjustable upthrust unit with arms resting on supporting curved base plate
DE20300248U 2003-01-07

Publications (2)

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EP1386564A1 EP1386564A1 (en) 2004-02-04
EP1386564B1 true EP1386564B1 (en) 2006-02-01

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US (1) US6826791B2 (en)
EP (1) EP1386564B1 (en)
JP (1) JP4499381B2 (en)
AT (1) ATE316766T1 (en)
DE (2) DE20300248U1 (en)
DK (1) DK1386564T3 (en)
ES (1) ES2256625T3 (en)

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DE59407440D1 (en) * 1993-11-10 1999-01-21 Senne Lizenz & Produkte Gmbh Upholstery element with a large number of spring elements arranged in regular patterns
DE29507948U1 (en) * 1995-03-24 1996-06-13 Froli Kunststoffe Heinrich Fromme, 33758 Schloß Holte-Stukenbrock Upholstery pad
US6113082A (en) * 1997-06-27 2000-09-05 Nishikawa Sangyo Co., Ltd. Spring
DE29712720U1 (en) * 1997-07-18 1998-09-10 Froli Kunststoffe Heinrich Fromme, 33758 Schloß Holte-Stukenbrock Bearing element for seating or lying areas and substructure therefor
JP2000125994A (en) * 1998-10-28 2000-05-09 Aisin Seiki Co Ltd Resin cushion elements
DE29915339U1 (en) * 1999-09-01 2000-01-05 Hartmann Siegbert Spring body
DE29916753U1 (en) * 1999-09-23 2000-11-23 Froli Kunststoffwerk Fromme H Spring element for seating or lying surfaces
DE20001616U1 (en) 2000-01-31 2001-03-08 Froli Kunststoffwerk Fromme H Bearing element for seating or lying areas
DE10024530A1 (en) * 2000-05-18 2001-11-22 Heidinger Florian Support device
DE20107248U1 (en) * 2001-04-26 2001-07-19 Hartmann Siegbert Spring base element of a seating or reclining furniture

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007020608B4 (en) * 2006-05-01 2016-02-11 Hans Ulrich Schwenk Spring element for upholstery
EP2412279A1 (en) 2010-07-30 2012-02-01 Siegbert Hartmann Support element of a seat or bed furniture spring support
EP2412278A1 (en) 2010-07-30 2012-02-01 Siegbert Hartmann Support element of a seat or bed furniture spring support
DE102010045733A1 (en) 2010-07-30 2012-02-02 Siegbert Hartmann Support element of a seat or reclining chair suspension
DE102010032912A1 (en) 2010-07-30 2012-02-02 Siegbert Hartmann Support element of a seat or reclining chair suspension
DE102012107887B3 (en) * 2012-08-27 2013-11-14 U. Leinss GmbH Surface spring element for supporting, e.g. backrest cushion of seat, has length compensation section that is formed in supporting element interconnected with side sections of bearing surface to compensate spring element surface load

Also Published As

Publication number Publication date
US20040123384A1 (en) 2004-07-01
ATE316766T1 (en) 2006-02-15
US6826791B2 (en) 2004-12-07
DE20300248U1 (en) 2003-09-11
ES2256625T3 (en) 2006-07-16
EP1386564A1 (en) 2004-02-04
DK1386564T3 (en) 2006-05-22
JP4499381B2 (en) 2010-07-07
JP2004065963A (en) 2004-03-04
DE50302316D1 (en) 2006-04-13

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