EP3251557B1 - Support spring system - Google Patents
Support spring system Download PDFInfo
- Publication number
- EP3251557B1 EP3251557B1 EP16172532.0A EP16172532A EP3251557B1 EP 3251557 B1 EP3251557 B1 EP 3251557B1 EP 16172532 A EP16172532 A EP 16172532A EP 3251557 B1 EP3251557 B1 EP 3251557B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slat
- lever
- arm
- slats
- levers
- 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.)
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Links
- 230000033001 locomotion Effects 0.000 claims description 21
- 208000007623 Lordosis Diseases 0.000 claims description 6
- 230000000284 resting effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 210000001217 buttock Anatomy 0.000 description 22
- 230000007246 mechanism Effects 0.000 description 8
- 229910000806 Latten Inorganic materials 0.000 description 5
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- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
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- 210000004705 lumbosacral region Anatomy 0.000 description 1
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Images
Classifications
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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
- A47C23/067—Slat supports adjustable, e.g. in height or elasticity
-
- 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
Definitions
- the present invention relates to a spring base for a mattress, J according to the preamble of claim 1.
- a flat, resilient base for the mattress is generally referred to as a spring base.
- the construction that is known as a slatted frame or spring wood frame is generally considered.
- resilient elements a number of elongated, strip-shaped spring elements run transversely to the longitudinal direction of the spring base. They are held laterally in the bars of a frame or, e.g. in the case of a slatted frame, they rest on corresponding support surfaces of the bed frame.
- Various versions of the slats are known, from straight to pre-tensioned and double or multiple versions with sliding connecting elements in order to obtain different spring characteristics.
- a fundamental task of all spring bases is to adapt the mattress surface to the body shape of a resting person in the sense of a relaxed spine and relieved intervertebral discs. If the mattress cannot adapt to the shape of the body, restless sleep, discomfort when getting up and other inconveniences result.
- Various approaches to solving this problem are known.
- the hardness of the various zones can also be preset by hardening the spring strips, changing the flexibility of the spring strip bearing bodies and their height.
- These systems all have the disadvantage that they have to be preset on the frame. This pre-setting can only be made to a preferred sleeping position, although the sleeper moves into different positions at night, which in turn require a different setting (lateral position, supine position, prone position)
- a spring base with vertically displaceable slat receptacles, which are coupled with upwardly projecting arms via essentially V-shaped levers, is off DE-U-20 2013 102 475 known.
- the levers have a noticeable flexibility.
- the slat receptacles have a downwardly protruding handle with a circular cylindrical end, which is guided vertically displaceably between two parallel walls.
- a vertical movement of adjacent slats in opposite directions is achieved by coupling them via the V-shaped lever.
- it is limited to adjacent slats and is uniform over the length of the spring base. In particular, there is no compensating movement when the slats are evenly loaded.
- the resilient lever results in a spring effect in addition to that of the slats.
- EP-A-1 754 430 known, wherein the arms of the V-shaped lever are expressly resilient and the connection of the lever arms to the slat receptacles is rigid, so that flexibility is only given by the springing of the lever arms.
- Another variant is from the EP-A-1 616 507 known, but where opposite EP-A1 754 430 the V-shaped spring arm arrangement is rotatably mounted on the frame of the spring base.
- the WO-A-2008/104687 discloses support bodies that stand on a point and are therefore tiltable.
- Support elements for example slats, are suspended from rigid or resilient, rod-shaped connecting links on each of at least 2 support bodies.
- a support element can pull the neighboring support bodies towards it and sinks in the process.
- the tilting support bodies pull the adjacent, less heavily loaded support elements upwards. Because the connections are articulated on all sides, a compensating movement is only present in the event of uneven loading. Because of the regular structure, the compensatory movement is also independent of the location within the overall arrangement.
- the five arrangements outlined above also show a relatively large overall height, which can be disadvantageous in the case of a spring base because the usual frame height is exceeded.
- the even reaction to stress does not correspond to the physiological requirements. Rather, an automatic adjustment to the bend of the spine is required, which is not synonymous with a reaction to different loads.
- One object of the present invention is therefore to provide a spring base which automatically adapts to the proportions and weight of a person at rest and has a lower height.
- two areas of the spring base be attached to the bars, that is to say on the stationary part of the spring base, so movably via a lever or a lever arrangement that the higher stressed area sinks when the load is applied and the lower stressed part is raised.
- the areas that sink during exercise are those on which a person's shoulders and / or pelvis (buttocks) lie.
- the lordosis is to be regarded as the area to be lifted.
- the spring base 1 here by way of example a slatted frame, has a rectangular frame 3, which is in the Figure 1 includes two spars 5 extending in the longitudinal direction on the right and left. On the spars 5 there are holders 7 (pointing lines directed only by way of example to a part of the holders), in which the transverse slats 9 (af) are held.
- the brackets 7 can have various, known shapes, in particular they can be spring-loaded.
- the slats 9 can be simple slats or arrangements of two or more slats, be it parallel or superimposed, in order to vary the rigidity. In the area 11, on which the shoulder to the buttocks of a sleeping person rest, the slats 9a-9e are mounted in a lever arrangement or mechanism 15.
- Mechanism 15 is in Figure 2 and enlarged in Figure 4 shown in the rest position, that is, without any strain on a person's body.
- brackets 7 and slats 9, which are conventional per se, are used over the entire length.
- the mountings 7 are fixedly attached to the spar 5 by means of mountings 21.
- This construction therefore corresponds to the known designs.
- the slats 9f and the holder 7 as well as the fastening 21 to choose from a large number of known designs.
- the lever arrangement 15 has a one-armed outer shoulder lever 25 in the shoulder area, which is pivotable about an axis 27.
- the one-armed outer shoulder lever 25 is articulated to the two-armed inner shoulder lever 35 via a bolt 29 which is formed at its end 31.
- the inner shoulder lever 35 has an elongated hole 39 at its outer end 37, into which the bolt 29 engages so that it can move in the elongated hole 39 when the two shoulder levers are pivoted in order to ensure the mobility of the two shoulder levers 25, 35.
- the inner shoulder lever 35 is mounted pivotably about an axis 41 and has a second, inner end 43 on which the upper lumbar support bolt 47 is located.
- the lumbar support 69 is held essentially in a floating manner on the upper lumbar support bolt 47 and the lower lumbar support bolt 65.
- the lumbar support bolts 47 and 65 are inserted in the upper elongated hole 71 and the lower elongated hole 72.
- the shape and course of the two elongated holes 71 and 72 determine the movement of the lumbar support 69 when the shoulder levers 25, 35 and the buttock levers 51, 55 move.
- the lever axles 27, 41, 53, 57 are attached to base plates 74.
- the base plates 74 are inserted in depressions or recesses of essentially the same contour in the spars 5.
- the base plates can be fastened by clamping in the receptacles in the spars 5, but they can also be secured by one or more measures known per se, such as: screwing to the spar, screwing to the counter plate or nut, if necessary with a washer, gluing, positive locking.
- the fact that the base plates 74 are identical has a favorable effect, as a result of which the production expense is reduced.
- Another advantage of the base plates 74 is that they offer tribologically optimized contact surfaces (sliding surfaces) for the movements of the levers.
- the base plate 74 behind the lumbar support 69 essentially serves to provide such an optimized sliding surface.
- a holder 7 for a slat 9a, 9b, 9d, 9e are attached to each of the levers 25, 35, 51, 55 (see FIGS. 4, 5).
- the levers 25, 35, 51, 55 each have pairs of bolts 73 for this purpose.
- the bolts 73 in the shoulder levers 25, 35 are arranged opposite the respective axes 27, 41 that when loaded from above (that is, essentially in the direction of the arrow 75) the end 31 and the outer end 37 of the outer 25 or Move the inner shoulder lever downwards, whereby the inner end 43 of the inner shoulder lever 35 is pressed upwards and thereby first moves the upper end of the lumbar support 69 upwards via the bolt 47.
- a load from above according to arrow 77 on the buttock levers leads to a movement of the lower end of the lumbar supporter upwards through the corresponding movement of the bolt 65.
- An example is the situation with simultaneous action from above on the shoulder lever and buttock lever in the Figures 3 and 5 shown.
- the lumbar support 69 is raised. If the pressure on the shoulder levers 25, 35 (arrow 75) and the buttocks levers 53, 55 (arrow 77) is exerted by the shoulders and buttocks or pelvis of a person lying down, lifting (arrow 78) of the lumbar support 69 provides the desired support in the lordosis area.
- the mechanical coupling of the shoulder, lumbar and buttock areas results in a position of equilibrium and uniform support in all areas and an automatic adjustment to the lying position as well as to the proportions and weight distribution of the resting person.
- Another advantage of the described arrangement is that the slats 9a, 9b, 9d, 9e drop in the shoulder and seat area, while the slat 9c with the lumbar support 69 is raised.
- This counter-rotating movement results in an overall lower space requirement in terms of height, that is, the slatted frame is overall lower, which among other things results in additional design freedom for the bed frame.
- the spiral springs 79 are placed on pins 81 which protrude from the base plates 74.
- One end 79a of each spiral spring 79 is supported essentially on the respective axis 27, 41, 53, 57, the other end on a projection or nose in the rear of the respective lever 25, 35, 51, 55 lever 25, 35, 51, 55 have corresponding recesses for the spiral spring 79 and the pins 81, so that the mobility of the levers 25, 35, 51, 55 is guaranteed.
- the levers 25, 35, 51, 55 are made of plastic by a molding process such as injection molding, a solid design is unfavorable (weight, use of material, stability and durability with regard to shrinkage processes when cooling after the molding process).
- a lattice-like structure is therefore preferred, i.e. a largely hollow shape of the levers when viewed from the rear, with a lattice of struts for stiffening, preferably also for the base plates 74.
- This structure is designed in such a way that it accommodates the pins 81 and the spring 79 can, does not hinder the mobility of the levers with respect to the pins 81 and the spring 79 and also provides a hold for the second end 79b of the spiral spring so that it can move the respective lever 25, 35, 51, 55 back into the base position.
- Such stiffened hollow structures or honeycomb structures are known per se to the person skilled in the art.
- high-quality base springs are equipped with the possibility of lifting the head or foot end in one or more sections in order to enable a higher position of the feet or legs, or an upright position of the upper body or head, e.g. for reading.
- the lever arrangement 15 described can be equipped with such pivot axes as in FIG Figure 6 shown.
- the righting joint 83 with pivot axis 84 is arranged in the area of the connection between the inner buttock lever 55 and lumbar support 69.
- the design of the elongated hole 72 is influenced, among other things, by the range of motion of the joint 83.
- a system fitting is implemented in the sensitive lying areas of the shoulder, buttocks and lordosis, which in addition to a force and weight-dependent lowering in the shoulder and buttocks area, generates additional support in the lordosis area.
- the lying comfort is not only optimized by lowering it, but also by raising it in the opposite zones (rocker effect).
- the individual carrier segments can be pretensioned with a spring mechanism in such a way that they are returned to a flat starting position when the mattress is in the unloaded state. All the usual comfort levels from non-adjustable to 4-motor insert frames can be implemented with preference.
- the lumbar region is moved upwards at the same time, which leads to the same or better body geometry adaptation at a lower system height.
- rockers (levers) in the shoulder and seat area interact with one another to generate defined support for the lordosis segment and react depending on the geometry and weight. This creates an even distribution of pressure over the entire area from the shoulder to the thigh. Spring elements in the mechanics ensure that the lying surface is straight in the unloaded state and that the sinking and support effect only occurs when the load is applied.
- the rocker mechanism is designed in such a way that the individual segments can also be moved when used with a motor-adjustable base.
- the effect and flexibility of the rockers in the sitting position is reduced and adapts better to the sitting position.
- the system reacts to the different lying positions and dynamically adapts to them while maintaining the same pressure distribution.
- the individual lever arrangements are only coupled via the slats and also react independently of one another to the position of a person lying down.
- the suspension system can adapt to the position of the person, which is advantageous for people who often change positions while sleeping.
Landscapes
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Description
Die vorliegende Erfindung bezieht sich auf eine Unterfederung für eine Matratze, J gemäss Oberbegriff des Anspruchs 1.The present invention relates to a spring base for a mattress, J according to the preamble of
Mit Unterfederung wird allgemein eine flächige, federnde Unterlage für die Matratze bezeichnet. Im Rahmen der vorliegenden Erfindung wird generell die Konstruktion betrachtet, die als Lattenrost oder Federholzrahmen bekannt ist. Dabei verlaufen als federnde Elemente eine Anzahl länglicher, leistenförmiger Federelemente quer zur Längsrichtung der Unterfederung. Sie sind seitlich in den Holmen eines Rahmens gehalten oder liegen, z.B. im Falle eines Rolllattenrosts, auf entsprechenden Auflageflächen des Bettrahmens auf. Bei den Latten sind verschiedene Ausführungen bekannt von gerade bis vorgespannt und doppelten oder mehrfachen Ausführungen mit verschiebbaren Verbindungselementen, um verschiedene Federcharakteristiken zu erhalten.A flat, resilient base for the mattress is generally referred to as a spring base. In the context of the present invention, the construction that is known as a slatted frame or spring wood frame is generally considered. As resilient elements, a number of elongated, strip-shaped spring elements run transversely to the longitudinal direction of the spring base. They are held laterally in the bars of a frame or, e.g. in the case of a slatted frame, they rest on corresponding support surfaces of the bed frame. Various versions of the slats are known, from straight to pre-tensioned and double or multiple versions with sliding connecting elements in order to obtain different spring characteristics.
Eine grundlegende Aufgabe aller Unterfederungen ist, eine Anpassung der Matratzenoberfläche an die Körperform eines ruhenden Menschen zu erzielen im Sinne einer entspannten Wirbelsäule und entlasteter Bandscheiben. Kann sich die Matratze der Körperform nicht anpassen, resultiert ein unruhiger Schlaf, Beschwerden beim Aufstehen und andere Unannehmlichkeiten. Verschiedene Lösungsansätze für dieses Problem sind bekannt.A fundamental task of all spring bases is to adapt the mattress surface to the body shape of a resting person in the sense of a relaxed spine and relieved intervertebral discs. If the mattress cannot adapt to the shape of the body, restless sleep, discomfort when getting up and other inconveniences result. Various approaches to solving this problem are known.
Es sind Unterfederungen am Markt bekannt, bei denen beide Bereiche, Schulter und Gesässbereich mittels spezieller Beschläge und Lagersegmentketten nach unten absenken können. Nachteil dieser Lösungen ist, dass die die aufgrund der Benutzung entstehenden Einsinkbereiche immer nach unten wirken (Hängematteneffekt) und damit einen entsprechenden Weg benötigen. Die Bauhöhe der Unterfederungen im Bettgestell ist jedoch begrenzt, damit die Matratze noch entsprechend im Bettrahmen gehalten werden kann.There are known suspension systems on the market in which both areas, shoulder and seat area, can be lowered by means of special fittings and bearing segment chains. The disadvantage of these solutions is that the sinking-in areas that arise due to use always act downwards (hammock effect) and thus require a corresponding path. However, the height of the springs in the bed frame is limited so that the mattress can still be held in the bed frame accordingly.
Es sind weiterhin ein Liegesystem oder Komponenten hierzu am Markt bekannt, die mit Hilfe von Wippen- und Schiebemechanismen eine bessere Anpassung an die Körpergeometrie versprechen. Diese bringen jedoch entsprechend geringere Geometrieanpassungen mit sich als die vorliegende Erfindung.There are still a lying system or components this known on the market that promise with the help of rocker and sliding mechanisms better adaptation to the body geometry. However, these entail correspondingly smaller geometrical adjustments than the present invention.
Weiterhin sind Systeme bekannt, bei denen die Lagerungen der Federleisten im Randbereich verschiebbar sind. Dadurch sollen stärker und weniger stark stützende Bereiche über die Länge des Rahmens entstehen.Furthermore, systems are known in which the storage en of the spring strips in the edge region are displaceable. This is intended to create stronger and less supportive areas along the length of the frame.
Ebenfalls können die Härten der verschiedenen Zonen mittels Verhärtung der Federleisten, der Veränderung der Flexibilität der Federleistenlagerkörper sowie deren Höhe voreingestellt werden. Diese Systeme haben allesamt den Nachteil, dass diese fix am Rahmen voreingestellt werden müssen. Diese Voreinstellung kann nur auf eine bevorzugte Schlafposition erfolgen, obwohl sich der Schläfer in der Nacht in unterschiedliche Positionen begibt, die wiederum eine andere Einstellung erfordern (Seitenlage, Rückenlage, Bauchlage)The hardness of the various zones can also be preset by hardening the spring strips, changing the flexibility of the spring strip bearing bodies and their height. These systems all have the disadvantage that they have to be preset on the frame. This pre-setting can only be made to a preferred sleeping position, although the sleeper moves into different positions at night, which in turn require a different setting (lateral position, supine position, prone position)
Es existieren bereits Systeme am Markt, bei denen sich die Elemente der Federleistenlagerung dynamisch den Geometrien und unterschiedlichen Gewichtsbelastungen des Körpers anpassen. Sie basieren auf hydraulischer oder hydropneumatischer Basis mittels Stösseln oder funktionieren mechanisch mit Führungen und Rollen in Kombination mit Gurten.There are already systems on the market in which the elements of the spring slat mounting adapt dynamically to the geometries and different weight loads on the body. They are based on a hydraulic or hydropneumatic basis using rams or work mechanically with guides and rollers in combination with belts.
Eine Unterfederung mit senkrecht verschiebbaren Lattenaufnahmen, die über im Wesentlichen V-förmige Hebel mit nach oben ragenden Armen gekoppelt sind, ist ausA spring base with vertically displaceable slat receptacles, which are coupled with upwardly projecting arms via essentially V-shaped levers, is off
Eine ähnliche Lösung ist ausA similar solution is out
Eine weitere Variante ist aus derAnother variant is from the
Die
Aus der
Die fünf vorangehend umrissenen Anordnungen zeigen auch eine relativ grosse Bauhöhe, was bei einer Unterfederung wegen Überschreiten der üblichen Rahmenhöhe nachteilig sein kann. Die gleichmässige Reaktion auf Belastung entspricht auch nicht den physiologischen Anforderungen. Vielmehr ist eine selbsttätige Anpassung an die Biegung der Wirbelsäule gefordert, was nicht gleichbedeutend ist mit einer Reaktion auf unterschiedliche Belastung.The five arrangements outlined above also show a relatively large overall height, which can be disadvantageous in the case of a spring base because the usual frame height is exceeded. The even reaction to stress does not correspond to the physiological requirements. Rather, an automatic adjustment to the bend of the spine is required, which is not synonymous with a reaction to different loads.
Eine Aufgabe der vorliegenden Erfindung besteht daher darin, eine Unterfederung anzugeben, die sich selbsttätig an Proportionen und Gewicht einer ruhenden Person anpasst und eine geringere Höhe aufweist.One object of the present invention is therefore to provide a spring base which automatically adapts to the proportions and weight of a person at rest and has a lower height.
Eine derartige Unterfederung ist im Anspruch 1 angegeben. Die weiteren Ansprüche geben bevorzugte Ausführungsformen an.Such a spring base is specified in
Demgemäss wird vorgeschlagen, zwei Bereiche der Unterfederung über einen Hebel oder eine Hebelanordnung derart beweglich an den Holmen, das heisst am stationären Teil der Unterfederung, anzubringen, dass bei Belastungen der höher belastete Bereich absinkt und dabei den niedriger belasteten Teil anhebt. Die Bereiche, die bei Belastung absinken, sind dabei diejenigen, auf denen Schulter und / oder Becken (Gesäss) einer Person liegen. Als anzuhebender Bereich ist die Lordose anzusehen. Eine wesentliche Erkenntnis dabei ist, dass für einen weiten Bereich von Körpergrössen die Abstände zwischen den Bereichen des Körpers doch recht wenig variieren, so dass eine Ausführung der Hebel oder Hebelanordnung einen weiten Bereich von Körpergrössen abdeckt. Gemäss Versuchen genügt insbesondere eine einzige Ausführung, um Körpergrössen zwischen "kleine Frau" (1.54 m) bis "grosser Mann" (1.87 m) gemäss DIN33416 abzudecken. Eine Anpassung des Ausmasses der jeweiligen Bewegung kann durch geeignete Wahl von Hebellängen erzielt werden. Auf die gleiche Art wird auch eine Anpassung an die Gewichtsverhältnisse erreicht.Accordingly, it is proposed that two areas of the spring base be attached to the bars, that is to say on the stationary part of the spring base, so movably via a lever or a lever arrangement that the higher stressed area sinks when the load is applied and the lower stressed part is raised. The areas that sink during exercise are those on which a person's shoulders and / or pelvis (buttocks) lie. The lordosis is to be regarded as the area to be lifted. An essential finding is that for a wide range of body sizes the distances between the areas of the body vary very little, so that one embodiment of the lever or lever arrangement covers a wide range of body sizes. According to tests, in particular a single execution is sufficient to To cover body sizes between "small woman" (1.54 m) to "tall man" (1.87 m) according to DIN33416. An adjustment of the extent of the respective movement can can be achieved by a suitable choice of lever lengths. An adaptation to the weight ratios is achieved in the same way.
Die Erfindung wird weiter an einem Ausführungsbeispiel unter Bezugnahme auf die Figuren erläutert. Es zeigen:
Die Unterfederung 1, hier beispielhaft ein Lattenrost, weist einen rechteckigen Rahmen 3 auf, der in der
Die Halterungen 7 können verschiedene, bekannte Formen aufweisen, insbesondere gefedert sein. Die Latten 9 können einfache Latten sein oder auch Anordnungen von zwei oder mehr Latten, sei es parallel verlaufende oder auch übereinanderliegende, um die Steifigkeit zu variieren. Im Bereich 11, auf dem Schulter bis Gesäss einer schlafenden Person aufliegen, sind die Latten 9a-9e in einer Hebelanordnung oder Mechanik 15 gelagert.The
Die Mechanik 15 ist in
Die Hebelanordnung 15 weist im Schulterbereich einen einarmigen äusseren Schulterhebel 25 auf, der um eine Achse 27 schwenkbar ist. Der einarmige äussere Schulterhebel 25 ist über einen Bolzen 29, der an seinem Ende 31 ausgebildet ist, am zweiarmigen inneren Schulterhebel 35 angelenkt. Der innere Schulterhebel 35 weist an seinem äusseren Ende 37 ein Langloch 39 auf, in das der Bolzen 29 eingreift, so dass er sich beim Schwenken der beiden Schulterhebel im Langloch 39 bewegen kann, um die Beweglichkeit der beiden Schulterhebel 25, 35 zu gewährleisten. Der innere Schulterhebel 35 ist um eine Achse 41 schwenkbar gelagert und weist ein zweites, inneres Ende 43 auf, an dem sich der obere Lordosenträgerbolzen 47 befindet.The
Eine im Wesentlichen spiegelbildliche Anordnung von einem einarmigen äusseren Gesässhebel 51, (um äussere Gesässhebelachse 53 schwenkbar), einem inneren zweiarmigen Gesässhebel 55 (um innere Gesässhebelachse 57 schwenkbar) mit Langloch 59 für Bolzen 61 am achsenfernen Ende 63 von äusserem Gesässhebel 51 und einem unteren Lordosenträgerbolzen 65 am inneren Ende 67 schliesst sich an.An essentially mirror-image arrangement of a one-armed outer buttock lever 51 (pivotable about the outer buttock lever axis 53), an inner two-armed buttock lever 55 (pivotable about the inner buttock lever axis 57) with an
Am oberen Lordosenträgerbolzen 47 und unteren Lordosenträgerbolzen 65 ist der Lordosenträger 69 im Wesentlichen schwebend gehalten. Die Lordosenträgerbolzen 47 und 65 stecken in oberem Langloch 71 bzw. unterem Langloch 72. Form und Verlauf der beiden Langlöcher 71 und 72 bestimmen dabei die Bewegung des Lordosenträgers 69, wenn sich die Schulterhebel 25, 35 und die Gesässhebel 51, 55 bewegen.The
Die Hebelachsen 27, 41, 53, 57 sind an Grundplatten 74 angebracht. Die Grundplatten 74 sind in Vertiefungen oder Ausnehmungen von im Wesentlichen gleicher Kontur in den Holmen 5 eingesetzt. Die Befestigung der Grundplatten kann durch Klemmung in den Aufnahmen in den Holmen 5 erfolgen, aber auch gesichert werden durch eine oder mehrere an sich bekannte Massnahmen wie: Verschrauben am Holm, Anschrauben an Gegenplatte oder Mutter, ggf. mit Unterlagscheibe, Verkleben, Formschluss. Günstig wirkt sich aus, dass die Grundplatten 74 identisch sind, wodurch der Aufwand bei der Herstellung gesenkt wird. Ein weiterer Vorteil der Grundplatten 74 ist, dass sie tribologisch optimierte Kontaktflächen (Gleitflächen) für die Bewegungen der Hebel bieten. Abgesehen von der Sicherstellung der Langlebigkeit durch Vermeidung von Abrieb können so auch mechanische Geräusche wie Klappern und Quietschen vermieden werden, wobei trotzdem für den Rahmen der Gestaltungspielraum erhalten bleibt. Insbesondere die Grundplatte 74 hinter dem Lordosenträger 69 dient im Wesentlichen der Bereitstellung einer solchen optimierten Gleitfläche.The lever axles 27, 41, 53, 57 are attached to
Wie in
Ein weiterer Vorteil der beschriebenen Anordnung besteht darin, dass die Latten 9a, 9b, 9d, 9e im Schulter und Gesässbereich absinken, während die Latte 9c mit dem Lordosenträger 69 angehoben wird. Durch diese gegenläufige Bewegung ergibt sich ein insgesamt geringerer Platzbedarf in der Höhe, das heisst, der Lattenrost ist insgesamt niedriger, wodurch sich unter anderem zusätzlicher Gestaltungsspielraum beim Bettrahmen ergibt.Another advantage of the described arrangement is that the
In der Ruheposition, wie in
Die Spiralfedern 79 sind auf Stifte 81 aufgesteckt, die aus den Grundplatten 74 hervorstehen. Das eine Ende 79a jeder Spiralfeder 79 stützt sich im Wesentlichen an der jeweiligen Achse 27, 41, 53, 57 ab, das andere Ende an einem Vorsprung oder einer Nase in der Rückseite des jeweiligen Hebels 25, 35, 51, 55. Die Rückseiten der Hebel 25, 35, 51, 55 weisen entsprechende Vertiefungen für die Spiralfeder 79 und die Stifte 81 auf, so dass die Beweglichkeit der Hebel 25, 35, 51, 55 gewährleistet ist. Insbesondere wenn die Hebel 25, 35, 51, 55 aus Kunststoff durch einen Formprozess wie Spritzgiessen hergestellt werden, ist eine massive Ausführung ungünstig (Gewicht, Materialeinsatz, Stabilität und Haltbarkeit im Hinblick auf Schrumpfungsvorgänge bei Abkühlen nach dem Formprozess). Vorgezogen wird daher eine gitterförmige Struktur, das heisst eine von hinten gesehen weitgehend hohle Form der Hebel, mit einem Gitter von Streben zur Versteifung, vorzugsweise auch für die Grundplatten 74. Diese Struktur wird so ausgelegt, dass sie die Stifte 81 und die Feder 79 aufnehmen kann, die Beweglichkeit der Hebel gegenüber den Stiften 81 und der Feder 79 nicht behindert und auch einen Halt für das zweite Ende 79b der Spiralfeder bietet, so dass diese den jeweiligen Hebel 25, 35, 51, 55 in die Grundstelle zurückbewegen kann. Derartige versteifte Hohlstrukturen oder Wabenstrukturen sind dem Fachmann an sich bekannt.The spiral springs 79 are placed on
Insbesondere hochwertige Unterfederungen sind mit Möglichkeiten ausgestattet, Kopf-oder Fussende in ein oder mehr Abschnitten anzuheben, um eine höhere Lagerung der Füsse oder Beine zu ermöglichen, oder eine aufgerichtete Stellung des Oberkörpers oder des Kopfs, z.B. zum Lesen.In particular, high-quality base springs are equipped with the possibility of lifting the head or foot end in one or more sections in order to enable a higher position of the feet or legs, or an upright position of the upper body or head, e.g. for reading.
Die beschriebene Hebelanordnung 15 kann mit derartigen Schwenkachsen ausgestattet werden wie in
Die weiteren Bewegungsmöglichkeiten des Kopfteils (Gelenk 85) und im Bereich der Oberschenkel (Gelenk 87 mit angedeuteter Achse 88) liegen ausserhalb des Hebelmechanismus 15.The further possibilities of movement of the head part (joint 85) and in the area of the thighs (joint 87 with indicated axis 88) lie outside the
Offensichtlich sind beim Aufstellen eines Rückenteils durch Abknicken der Hebelanordnung 15 an einem Gelenk 83 auch die Hebelverhältnisse betroffen. Dadurch ergibt sich eine gewünschte Veränderung der Reaktion an die aufgerichtete Haltung des Oberkörpers.Obviously, when a back part is set up by kinking the
Eine zusätzliche Steigerung des Komforts ist möglich durch Massnahmen, die den Bewegungsbereich der Schulterhebel 25, 35 und der Gesässhebel 51, 55, denkbar auch des Lordosenträgers 69, beschränkt. Derartige Massnahmen können z.B. Anschläge 89 sein. Z.B. handelt es sich dabei um Stifte in entsprechenden Löchern, die je nach Bedarf eingesteckt bzw. entfernt werden können.An additional increase in comfort is possible by means of measures which limit the range of motion of the shoulder levers 25, 35 and the buttock levers 51, 55, conceivably also of the
Aus der Beschreibung des Ausführungsbeispiels gehen die folgenden Vorteile hervor:
In den sensiblen Liegeflächenbereichen Schulter, Gesäss und Lordose wird ein Systembeschlag realisiert, der neben einer kraft- und gewichtsabhängigen Absenkung im Bereich Schulter und Gesäss eine zusätzliche Stützung im Bereich der Lordose generiert. Hierbei wird der Liegekomfort nicht nur durch eine Absenkung optimiert, sondern auch durch eine Anhebung in den entgegengesetzten Zonen (Wippeneffekt). Die einzelnen Trägersegmente können dabei mit einem Federmechanismus so vorgespannt werden, dass diese in unbelastetem Zustand der Matratze in eine ebene Ausgangslage zurückgestellt werden. Alle üblichen Komfortstufen von unverstellbar bis 4-Motoren-Einlegrahmen können bevorzugt realisiert werden.The following advantages emerge from the description of the exemplary embodiment:
A system fitting is implemented in the sensitive lying areas of the shoulder, buttocks and lordosis, which in addition to a force and weight-dependent lowering in the shoulder and buttocks area, generates additional support in the lordosis area. The lying comfort is not only optimized by lowering it, but also by raising it in the opposite zones (rocker effect). The individual carrier segments can be pretensioned with a spring mechanism in such a way that they are returned to a flat starting position when the mattress is in the unloaded state. All the usual comfort levels from non-adjustable to 4-motor insert frames can be implemented with preference.
Bei Belastung des Gesäss- und des Schulterbereiches wird gleichzeitig der Lordosenbereich nach oben bewegt, was bei niedrigerer Systemhöhe zu gleicher oder besserer Körpergeometrieanpassung führt.When the buttocks and shoulder areas are loaded, the lumbar region is moved upwards at the same time, which leads to the same or better body geometry adaptation at a lower system height.
Speziell an der vorliegenden Mechanik ist, dass die Wippen (Hebel) im Schulter und Gesässbereich im Zusammenspiel miteinander eine definierte Stützung des Lordosensegments generieren und geometrie- und gewichtsabhängig reagieren. Dadurch entsteht eine gleichmässige Druckverteilung über den gesamten Bereich von der Schulter bis zum Oberschenkel. Federelemente in der Mechanik sorgen dafür, dass die Liegefläche im unbelasteten Zustand gerade ausgerichtet ist und erst bei Belastung der Einsink- und Stützeffekt entsteht. Es sind weiterhin Anschläge in der speziellen Wippenmechanik vorgesehen, welche die Einsinkwege in den Bereichen Schulter und Gesäss individuell begrenzen können, womit das Reaktionsverhalten den individuellen Körpergeometrieunterschieden zwischen den Benutzern beeinflusst werden kann: (Mann:=breite Schultern, schmales Becken == Schulterabsenkung maximal, Gesäss minimal; Frau:= schmale Schultern, breites Becken == Gesäss maximal, Schulter minimal).What is special about the present mechanism is that the rockers (levers) in the shoulder and seat area interact with one another to generate defined support for the lordosis segment and react depending on the geometry and weight. This creates an even distribution of pressure over the entire area from the shoulder to the thigh. Spring elements in the mechanics ensure that the lying surface is straight in the unloaded state and that the sinking and support effect only occurs when the load is applied. There are also stops in the special rocker mechanism, which can individually limit the sinking paths in the shoulder and buttocks areas, with which the reaction behavior can be influenced to the individual body geometry differences between the users: (man: = broad shoulders, narrow pelvis == shoulder drop maximum, Buttocks minimal; women: = narrow shoulders, wide pelvis == buttocks maximal, shoulders minimal).
Die Wippenmechanik ist so ausgeführt, dass eine Bewegung der einzelnen Segmente auch in der Verwendung mit einer motorisch verstellbaren Unterfederung möglich ist. Dabei wird die Wirkung und Flexibilität der Wippen in der Sitzposition reduziert und passt sich dabei der Sitzposition besser an.The rocker mechanism is designed in such a way that the individual segments can also be moved when used with a motor-adjustable base. The effect and flexibility of the rockers in the sitting position is reduced and adapts better to the sitting position.
Das System reagiert auf die unterschiedlichen Liegepositionen und passt sich diesen unter gleichbleibender Druckverteilung dynamisch jeweils an.The system reacts to the different lying positions and dynamically adapts to them while maintaining the same pressure distribution.
Insbesondere sind die einzelnen Hebelanordnungen nur über die Latten gekoppelt und reagieren jeweils auch auf die Lage einer liegenden Person voneinander unabhängig. Dadurch kann sich die Unterfederung der Lage der Person anpassen, was bei Personen, die im Schlaf oft die Lage wechseln, vorteilhaft ist.In particular, the individual lever arrangements are only coupled via the slats and also react independently of one another to the position of a person lying down. As a result, the suspension system can adapt to the position of the person, which is advantageous for people who often change positions while sleeping.
Aus der vorangehenden Darstellung eines Ausführungsbeispiels sind dem Fachmann zahlreiche Abwandlungen und Ergänzungen zugänglich, ohne den Schutzbereich der Erfindung zu verlassen, der durch die Ansprüche definiert ist.Numerous modifications and additions are accessible to the person skilled in the art from the preceding illustration of an exemplary embodiment without departing from the scope of protection of the invention, which is defined by the claims.
Denkbar sind unter anderem:
Die Latten 9 können auch jeweils und unabhängig voneinander eine Lattenanordnung aus zwei oder mehr parallel oder übereinander verlaufenden Latten sein.Die Halterungen 7 können im Wesentlichen von jeglicher bekannter Art sein, die Befestigungsvorkehrungen,im Beispiel Bolzen 73, sind an die jeweils gewählte Halterung 7 anpassbar.- Die Anordnung der (Lattenhalterungs-)
Befestigungsvorkehrungen 73, die 25, 35, 51, 55 wie auch des Lordosenträgers sind variierbar im Hinblick auf das Zielspektrum der Benutzer.Dimensionierung der Hebel - Die Federelemente 79, die die Hebelanordnung 15 in die Grundstellung bewegt, kann durch eine andere Federanordnung (Spiralfeder, Federungen, Metall oder Kunststoff) ersetzt werden oder auch motorisch unterstützt sein.
15, 25, 51, 55 können direkt anDie Hebel den Holmen 5 einer Unterfederung bzw.einen Lattenrost 1 angebracht sein oder auch zusammen an einem Träger, der am Holm angebracht ist oder ein integraler Bestandteil eines Holm ist und imExtremfall die Grundplatten 74 ersetzt.- Als Material für die
Einzelteile der Hebelanordnung 15 sind im Wesentlichen alle die vorhersehbare Belastung ertragenden Materialien denkbar. Ein weiterer Aspekt ist, dass eine Geräuschentwicklung in aller Regel unerwünscht ist. Aus diesem Grunde bestehen die 15, 25, 51, 55 sowie der Lordosenträger 69 bevorzugt aus einem entsprechend belastbaren Kunststoff, gegebenenfalls faserverstärkt.Hebel - In
Figur 4 sind zwei Stifte 89 gezeigt, die die 25, 35 und der Gesässhebel 51, 55 blockieren, was z.B. für Transportzwecke geeignet ist. Andere, tiefer liegende Positionen (nicht dargestellt) beschränken die Bewegung, blockieren sie jedoch nicht vollständig, für eine Anpassung an besondere Anforderungen.Bewegung der Schulterhebel - Eine oder mehr als zwei Hebelanordnungen (im Ausführungsbeispiel: zwei Hebelanordnungen gegenüberliegend angeordnet an je einem Holm 5) sind vorhanden. Zum Beispiel ist vorstellbar, eine Hebelanordnung etwa mittig im Rahmen 3 parallel
zu den Holmen 5 anzuordnen. Ein entsprechend zusätzlich nötiger Träger ist ausgelegt, dass die darüber verlaufenden Latten beim Absenken nicht aufsetzen, z.B. durch eine entsprechende Ausnehmungen für die abgesenkten Latten. Andere Massnahmen zu diesem Zweck sind höhere Halterungen für die Latten und höher angeordnete Befestigungsvorkehrungen 73 für die Halterungen.
- The
slats 9 can also each and independently of one another be a slat arrangement of two or more slats running parallel or one above the other. - The
holders 7 can be of substantially any known type, which fastening arrangements in theexample pin 73, to the respectively selected agingH 7 customizable. - The arrangement of the (slat holder)
fastening svorkehrungen 73, the dimensioning of the 25, 35, 51, 55 as well as the lumbar support can be varied with regard to the target spectrum of the user.levers - The spring elements 79, which move the
lever arrangement 15 into the basic position, can be replaced by another spring arrangement (spiral spring, springs, metal or plastic) or can also be supported by a motor. - The
15, 25, 51, 55 can be attached directly to thelevers spars 5 of a spring base or aslatted frame 1 or together on a carrier that is attached to the spar or is an integral part of a spar and, in extreme cases, replaces thebase plates 74 . - As a material for the individual parts of the
lever arrangement 15, essentially all materials bearing the foreseeable load are conceivable. Another aspect is that noise development is generally undesirable. For this reason, the 15, 25, 51, 55 and thelevers lumbar support 69 are preferably made of a correspondingly resilient plastic, possibly fiber-reinforced. - In
Figure 4 twopins 89 are shown which block the movement of the shoulder levers 25, 35 and the buttock levers 51, 55, which is suitable, for example, for transport purposes. Other, lower-lying positions (not shown) restrict the movement, however, do not block them completely, for adaptation to special requirements. - One or more than two lever arrangements (in the exemplary embodiment: two lever arrangements arranged opposite one another on one
spar 5 each) are present. For example, it is conceivable to arrange a lever arrangement approximately centrally in theframe 3 parallel to thebars 5. A correspondingly additionally required support is designed so that the slats running over it do not touch down when they are lowered, for example by means of corresponding recesses for the lowered slats. Other measures for this purpose are higher brackets for the slats andfastening arrangements 73 arranged higher for the brackets.
Claims (8)
- Slat base (1) for a mattress, comprising two substantially parallelly extending beams (5) between which a plurality of slats (9a-9f) are arranged substantially perpendicularly to the beams (5), the slats (9a-9f) being designed to support a mattress, at least a first slat (9b, 9c) and a second slat (9c) being held in a lever arrangement (15) on at least one of the beams (5) so that the first (9b, 9c) and the second slat (9c) are movable in a direction that both extends in a plane perpendicular to the longitudinal direction of the first (9b, 9c) and second slat (9c), respectively, and at an angle that is smaller than 90° with respect to the plane perpendicular to the longitudinal direction of the beams (5), and the lever arrangement (15) comprising a two-arm lever (35; 55) that is hinged to a fastening point (41; 57) on one beam (5) and whose two arms are operatively connected to holders (7) of the first (9b; 9d) and the second slat (9c), respectively, so that the movements of the two slats (9b; 9d; 9c) exhibit a substantially opposed component, the second slat (9c) being held in a holder (7) that is provided on a support member (69) which is hinged to a second arm (43; 67) of the two-arm lever (35; 55), characterised in that the first slat (9b; 9d) is held in a holder (7) that is exclusively attached to a first (37; 68) of the two arms of the two-arm lever (35; 55).
- Slat base (1) according to claim 1, characterised in that the support member (69) is rotatably connected to a first arm (67; 43) of a second two-arm lever (55; 35) at a junction (65, 72; 47, 71), a second arm (68; 37) of the second two-arm lever having at least one holder (7) for a third slat (9d; 9b) such that the junction (65, 72; 47, 71) with the support member performs a linear movement that is substantially opposed to that of the holder for the third slat (9d; 9b).
- Slat base (1) according to one of claims 1 to 2, characterised in that a first arm (31; 63) of a fourth lever (25; 51) is hinged to at least one of the first and second two-arm levers (35; 55) at its arm (37; 68) having the holder (7) for a first (9b; 9d) or third slat (9d; 9b), respectively, and the first arm of the fourth lever has a holder for at least one fourth slat (9a; 9e) such that the fourth slat (9a; 9e) performs a substantially linear movement in the same direction as the first or third slat, respectively.
- Slat base (1) according to one of claims 1 to 3, characterised in that mirror-symmetrical lever arrangements (15) are provided on both beams (5) in order to receive both ends of slats (9a-e) in an equivalent manner.
- Slat base (1) according to one of claims 1 to 4, characterised in that the junctions between the levers (25, 35, 51, 55) of the lever arrangement (15) among themselves and with the support member (69), if present, comprise oblong holes (39, 71, 72, 59) in order to achieve the coupling of the levers while maintaining the rotatability of the levers.
- Slat base (1) according to claim 5, characterised in that the oblong holes (39, 71, 72, 59) in the arms of a lever (25, 35, 51, 55) are formed at a mutual angle that is distinctly different from 180° and/or other than straight, more particularly curved and/or angled, in order to adjust the magnitude of the movements of the slats (9a - 9e) relative to one another in function of the position of the levers.
- Slat base (1) according to one of claims 1 to 6, characterised in that the holders (7) for the slats (9a-9f) are elastically resilient such that a tilting movement of the slats (9a-9f) due to the movement of the levers (25, 35, 51, 55) and of the support member (69), if present, can be compensated and a parallel alignment of the slats (9a-9f) with respect to their surfaces can be achieved.
- Slat base (1) according to one of claims 1 to 7, characterised in that the at least one first slat (9b; 9d) is located in a position that corresponds to the place where the shoulder of a person in a predetermined sleeping position is resting, the position of the at least one second slat (9c) corresponds to the average position of the lordosis of a person in the sleeping position, and the position of the at least one third slat (9d, 9b), if present, corresponds to the average position of the basin of a person in the sleeping position, in order to achieve a lifting of the second slat (9c) in the hip area when the first and the third slat, if present, are lowered by the shoulder and/or basin of the position.
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EP16172532.0A EP3251557B1 (en) | 2016-06-01 | 2016-06-01 | Support spring system |
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EP16172532.0A EP3251557B1 (en) | 2016-06-01 | 2016-06-01 | Support spring system |
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EP3251557B1 true EP3251557B1 (en) | 2021-04-28 |
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AT521531B1 (en) * | 2018-07-24 | 2021-06-15 | Flexinno Gmbh | Slatted frame |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE781040A (en) * | 1972-03-22 | 1972-07-17 | Spanoghe Marcel S M J | PRINCIPLE OF SUSPENSION AND SUPPORT FOR BEDROOM SUMMER. |
EP2117384B1 (en) * | 2007-02-08 | 2016-08-10 | Delahousse Et Fils | Improvement to seating or lying structures having body support means with stress self balancing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202004011233U1 (en) * | 2004-07-16 | 2004-09-30 | Hartmann, Siegbert | Spring base for cushions for seating or reclining furniture |
DE202005013018U1 (en) * | 2005-08-16 | 2005-11-10 | Hartmann, Siegbert | Spring system for chairs or beds comprises support plates mounted on two sloping spring struts, struts from adjacent plates being fastened to single bolt on chair or bed frame, connector in shape of inverted V linking struts above bolt |
DE202007006722U1 (en) * | 2007-05-10 | 2008-06-19 | Weber, Erhard, Dr. | Suspension elements for bed subframes with elastic, arched support and support elements |
DE202013102475U1 (en) * | 2013-06-10 | 2013-07-10 | Siegbert Hartmann | Spring suspension of mattress support surfaces |
-
2016
- 2016-06-01 EP EP16172532.0A patent/EP3251557B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE781040A (en) * | 1972-03-22 | 1972-07-17 | Spanoghe Marcel S M J | PRINCIPLE OF SUSPENSION AND SUPPORT FOR BEDROOM SUMMER. |
EP2117384B1 (en) * | 2007-02-08 | 2016-08-10 | Delahousse Et Fils | Improvement to seating or lying structures having body support means with stress self balancing |
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