EP1082926A1 - Spring element for bed frame - Google Patents
Spring element for bed frame Download PDFInfo
- Publication number
- EP1082926A1 EP1082926A1 EP00118993A EP00118993A EP1082926A1 EP 1082926 A1 EP1082926 A1 EP 1082926A1 EP 00118993 A EP00118993 A EP 00118993A EP 00118993 A EP00118993 A EP 00118993A EP 1082926 A1 EP1082926 A1 EP 1082926A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- spring element
- leaf springs
- element according
- compression
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
- A47C23/062—Slat supports
- A47C23/063—Slat supports by elastic means, e.g. coil springs
-
- 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 supporting slats or support plates in bed frame, consisting of a lower and an upper C-shaped Leaf spring arranged in mirror image to each other and in one piece at both ends or are connected by connecting means with at least one additional elastic support member to support the spring back movement of the spring element.
- Such elliptical spring elements which are composed of two, C-shaped Leaf springs are known, for example, from DE 196 37 933 C1. They are made of metal, for example stainless spring steel, or also made of plastic. Designs made of plastic are mostly in one piece formed, while those made of metal mostly from two C-shaped Leaf springs are assembled with the help of lanyards.
- Spring elements this type offer a progressive spring characteristic, i.e. that is, the spring force increases with increasing load. You are therefore able to both light as well as heavy persons with essentially the same spring action to support. However, it has been shown that it is particularly with longer and heavy load to a certain extent leads to permanent deformation of the spring element can come, so that the elastic provision in the discharge only takes place incompletely or at least only very gradually.
- the invention is therefore based on the object of a spring element of the above Art to develop in such a way that flexible design options for the selection of the spring and restoring force of the spring element available stand.
- Wire springs are the main compression springs considered, such as a coil spring or a bulged in the middle Spring in the shape of a double cone or a barrel.
- the latter spring types have the advantage that - with a suitable selection of the ratio from wire diameter to winding diameter - a progressive spring core line exhibit.
- each other aligned pins On the inside of the two C-shaped leaf springs can be with each other aligned pins are attached, on which the ends of the compression spring are pushed could be. This enables tool-free assembly and is easy Retrofitting or removal depending on the conditions of the individual case.
- the two Pins can also have the function of a stop, the travel limited of the spring element and thus ensures that an excessive Compression, which lead to permanent deformation of the spring element can be prevented.
- the pins in turn can be pushed onto pins by connecting plates go out on the outside of the two leaf springs and the leaf springs penetrate in a borehole.
- These connecting plates can be used to form the transition between the spring element and corresponding elements of a bed.
- a spring element according to the invention initially comprises an upper, upward curved, essentially C-shaped leaf spring 10 and a corresponding, leaf spring 12 curved downwards.
- the two leaf springs 10, 12 point to both Ends of sleeves 14, 16 or 18, 20 screwed in in the form of sleeves.
- the at Establish the connection of the two tabs that meet are arranged offset on the respective edge of the leaf springs 10, 12, so that together they form a kind of continuous sleeve, in which one does not shown connecting pin can be inserted, as it is about Hinges is the case.
- the tabs 14, 16 and 18, 20 can also be screwed in in this way be that they interlock positively, as mentioned in the introduction DE 196 37 933 C1 is shown.
- connection plates 22, 24 are used to attach the spring element to a sprung and an unsprung Part of a bed.
- the connecting plates 22,24 are used to attach the spring element to a sprung and an unsprung Part of a bed.
- a rectangular support plate 28 is shown, which together with other support plates a sprung surface to accommodate a mattress.
- the connecting plates 22, 24 each have a molded-on pin 30, 32, which is directed in the direction of the respective adjacent leaf springs 10, 12 and each penetrates in a hole 34,36 at the apex of the leaf springs.
- the lower connecting plate 24 is on two opposite hinges that are in the assembled position correspond to the two longitudinal edges of the leaf spring, from the surface the connecting plate 24 upstanding edge strips 38.40 provided the Grip the edges of the leaf springs 10, 12 from both sides and thus as an anti-rotation device serve.
- a corresponding pin is located on the underside of the lower connecting plate 24. This pin is used to insert into a Bore 46 in the bar 26 of the bed frame.
- pins 48, 50 are shown on the inside of the two leaf springs 10, 12, each have a central, unspecified bore and in the Installation from the inside of the leaf springs to that from the drill holes 34,36 emerging pins 30,32 of the two connecting plates 22,24 pushed become.
- the two pins serve on the one hand to accommodate a double conical spring 52, whose winding diameter at the two ends the outer diameter of the corresponds to both pins 48.50, so that the double cone spring down and can be taken up by the pins 48.50.
- the two cones 48.50 which can consist of a plastic material, serve otherwise as a stop to limit the compression of the leaf springs 10, 12 because of excessive Compression to permanently deform the material of the leaf springs 10,12 can lead, which occur especially under heavy load can if the two leaf springs are made of plastic.
Landscapes
- Springs (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
Description
Die Erfindung betrifft ein Federelement zur Abstützung von Latten oder Stütztellern in Bettrahmen, bestehend aus einer unteren und einer oberen C-förmigen Blattfeder, die spiegelbildlich zueinander angeordnet und an beiden Enden einstückig oder durch Verbindungsmittel verbunden sind, mit wenigstens einem zusätzlichen elastischen Stützglied zur Unterstützung der Rückfederbewegung des Federelements.The invention relates to a spring element for supporting slats or support plates in bed frame, consisting of a lower and an upper C-shaped Leaf spring arranged in mirror image to each other and in one piece at both ends or are connected by connecting means with at least one additional elastic support member to support the spring back movement of the spring element.
Derartige elliptische Federelemente, die aus zwei zusammengesetzten, C-förmigen Blattfedern bestehen, sind beispielsweise aus der DE 196 37 933 C1 bekannt. Sie werden aus Metall, beispielsweise nichtrostendern Federstahl, oder auch aus Kunststoff hergestellt. Ausführungen aus Kunststoff sind zumeist einstückig ausgebildet, während solche aus Metall zumeist aus zwei C-förmigen Blattfedern mit Hilfe von Verbindungsmitteln zusammengesetzt sind. Federelemente dieser Art bieten eine progressive Federkennlinie, d. h., daß die Federkraft mit zunehmender Belastung steigt. Sie sind daher in der Lage, sowohl leichte als auch schwere Personen mit im wesentlichen gleicher Federwirkung abzustützen. Es hat sich jedoch gezeigt, daß es insbesondere bei längerer und starker Belastung in gewissem Maße zu dauerhafter Verformung des Federelements kommen kann, so daß die elastische Rückstellung bei der Entlastung nur unvollständig oder zumindest nur sehr allmählich stattfindet.Such elliptical spring elements, which are composed of two, C-shaped Leaf springs are known, for example, from DE 196 37 933 C1. They are made of metal, for example stainless spring steel, or also made of plastic. Designs made of plastic are mostly in one piece formed, while those made of metal mostly from two C-shaped Leaf springs are assembled with the help of lanyards. Spring elements this type offer a progressive spring characteristic, i.e. that is, the spring force increases with increasing load. You are therefore able to both light as well as heavy persons with essentially the same spring action to support. However, it has been shown that it is particularly with longer and heavy load to a certain extent leads to permanent deformation of the spring element can come, so that the elastic provision in the discharge only takes place incompletely or at least only very gradually.
Bei einstückig hergestellten Federelementen aus Kunststoff ist es daher bekannt, in der Längsachse der durch das Federelement gebildeten Ellipse ein gummielastisches Zugglied anzuordnen, das die Rückstellbewegung unterstützt. Ein derartiges Zugglied wird beim Einfedern gedehnt, da die Anordnung aus den beiden C-förmigen Blattfedern beim Einfedern gestreckt wird. Bei einem derartigen Federelement ist es jedoch notwendig, daß das elastische Zugglied bereits bei der Herstellung eingeplant und angebracht wird. Ein Nachrüsten beliebiger Federelemente, das nach den individuellen Vorgaben des späteren Benutzers des Bettrahmens wünschenswert sein kann, ist nicht möglich.In the case of one-piece spring elements made of plastic, it is therefore known in the longitudinal axis of the ellipse formed by the spring element to arrange rubber-elastic tension member that supports the return movement. Such a tension member is stretched during compression, since the arrangement from the two C-shaped leaf springs is stretched when compressed. With such a Spring element, however, it is necessary that the elastic tension member already is planned and attached during manufacture. Any retrofitting Spring elements, according to the individual specifications of the future user of the bed frame may be desirable is not possible.
Wegen der großen Bandbreite möglicher Belastungen, die die Federelemente im Gebrauch in Abhängigkeit vom Körpergewicht des Benutzers aufnehmen, ist es jedoch ein Nachteil, nur Federelemente ein und derselben Federcharakteristik zur Verfügung zu haben. Because of the wide range of possible loads that the spring elements in It is use depending on the body weight of the user but a disadvantage, only spring elements of one and the same spring characteristic to have available.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Federelement der obigen Art dahingehend weiterzuentwickeln, daß flexible Gestaltungsmöglichkeiten für die Auswahl der Feder- und Rückstellkraft des Federelements zur Verfügung stehen.The invention is therefore based on the object of a spring element of the above Art to develop in such a way that flexible design options for the selection of the spring and restoring force of the spring element available stand.
Diese Aufgabe wird beim Federelement der obigen Art dadurch gelöst, daß das Stützglied durch eine innerhalb des Federelements zwischen den Scheitelpunkten der C-förmigen Blattfedern angeordnete Druckfeder gebildet wird.This object is achieved in the spring element of the above type in that the Support member by one within the spring element between the vertices the C-shaped leaf springs arranged compression spring is formed.
Diese Druckfeder kann eingesetzt werden, soweit es sich im Einzelfall als notwendig erweist, andererseits aber auch fortgelassen wird, etwa wenn nur geringere Belastungen zu erwarten sind. Als Druckfeder kommen vor allem Drahtfedern in Betracht, etwa eine Schraubenfeder oder eine im Mittelbereich ausgewölbte Feder in der Form eines Doppelkonus oder einer Tonne. Die letzteren Federtypen haben den Vorteil, daß sie - bei geeigneter Auswahl des Verhältnisses von Drahtdurchmesser zu Windungsdurchmesser - eine progressive Federkernlinie aufweisen.This compression spring can be used as far as it is necessary in individual cases proves, but is also omitted, for example, if only less Burdens are expected. Wire springs are the main compression springs considered, such as a coil spring or a bulged in the middle Spring in the shape of a double cone or a barrel. The latter spring types have the advantage that - with a suitable selection of the ratio from wire diameter to winding diameter - a progressive spring core line exhibit.
Auf den Innenseiten der beiden C-förmigen Blattfedern können miteinander fluchtende Zapfen angebracht sein, auf die die Enden der Druckfeder aufgeschoben sein können. Das ermöglicht eine werkzeuglose Montage und ein leichtes Nachrüsten oder Entfernen je nach den Bedingungen des Einzelfalles. Die beiden Zapfen können zugleich die Funktion eines Anschlages haben, der den Federweg des Federelements begrenzt und damit sicherstellt, daß ein übermäßiges Einfedern, das zu einer dauerhaften Verformung des Federelements führen kann, verhindert wird.On the inside of the two C-shaped leaf springs can be with each other aligned pins are attached, on which the ends of the compression spring are pushed could be. This enables tool-free assembly and is easy Retrofitting or removal depending on the conditions of the individual case. The two Pins can also have the function of a stop, the travel limited of the spring element and thus ensures that an excessive Compression, which lead to permanent deformation of the spring element can be prevented.
Die Zapfen ihrerseits können auf Stifte aufgeschoben sein, die von Verbindungsplatten auf der Außenseite der beiden Blattfedern ausgehen und die Blattfedern in einem Bohrloch durchdringen.The pins in turn can be pushed onto pins by connecting plates go out on the outside of the two leaf springs and the leaf springs penetrate in a borehole.
Diese Verbindungsplatten können zur Bildung des Übergangs zwischen dem Federelement und entsprechenden Elementen eines Bettes dienen.These connecting plates can be used to form the transition between the spring element and corresponding elements of a bed.
Im folgenden werden bevorzugte Ausführungsbeisplele der Erfindung anhand
der beigefügten Zeichnung näher erläutert.
Ein erfindungsgemäßes Federelement umfaßt zunächst eine obere, nach oben
gewölbte, im wesentlichen C-förmige Blattfeder 10 und eine entsprechende,
nach unten gewölbte Blattfeder 12. Die beiden Blattfedern 10,12 weisen an beiden
Enden hülsenförmig eingedrehte Laschen 14,16 bzw. 18,20 auf. Die beim
Herstellen der Verbindung der beiden Blattfedern zusammentreffenden Laschen
sind jeweils versetzt an dem jeweiligen Rand der Blattfedern 10,12 angeordnet,
so daß sie gemeinsam eine Art von durchgehender Hülse bilden, in die ein nicht
dargestellter Verbindungsstift eingeschoben werden kann, wie es etwa bei
Scharnieren der Fall ist. Die Laschen 14,16 bzw. 18,20 können auch so eingedreht
sein, daß die formschlüssig ineinandergreifen, wie es in der eingangs genannten
DE 196 37 933 C1 gezeigt ist.A spring element according to the invention initially comprises an upper, upward
curved, essentially C-shaped
Durch Zusammenfügen der beiden Blattfedern 10,12 in der beschriebenen Weise
entsteht ein im weitesten Sinne elliptisches Federelement. Dieses Federelement
ist auf der oberen und unteren Seite mit Verbindungsplatten 22,24 versehen,
die insbesondere aus Kunststoff bestehen. Die Verbindungsplatten 22,24
dienen zur Anbringung des Federelements an einem gefederten und einem ungefederten
Teil eines Bettes. In der Zeichnung ist im unteren Bereich eine im wesentlichen
starre Leiste 26 eines insgesamt nicht gezeigten Bettrahmens angedeutet,
während im oberen Bereich der Zeichnung ein rechteckiger Stützteller
28 dargestellt ist, der zusammen mit anderen Stütztellern eine gefederte Fläche
zur Aufnahme einer Matratze bildet.By joining the two
Die Verbindungsplatten 22,24 weisen jeweils einen angeformten Stift 30,32 auf,
der in Richtung der jeweils angrenzenden Blattfedern 10,12 gerichtet ist und
diese in jeweils einem Bohrloch 34,36 im Scheitelpunkt der Blattfedern durchdringt.
Wie insbesondere am Beispiel der unteren Verbindungsplatte 24 gezeigt
ist, sind an zwei gegenüberliegenden Bändern, die in der montierten Stellung
den beiden längsseitigen Rändern der Blattfeder entsprechen, aus der Fläche
der Verbindungsplatte 24 aufragende Randleisten 38,40 vorgesehen, die die
Ränder der Blattfedern 10,12 von beiden Seiten her erfassen und somit als Verdrehsicherung
dienen. The connecting
Nur für die obere Verbindungsplatte 22 ist in der Zeichnung erkennbar, daß auf
der äußeren, dem Stift 30 gegenüberliegenden Fläche ein aufragender Zapfen 42
mit profilierter Oberfläche angeformt ist. Dieser Zapfen 42 wird bei der Montage
des nicht gezeigten Bettes eine zentrale Bohrung 44 des Stütztellers 28 von dessen
Unterseite her eingeschoben.Only for the upper connecting
Ein entsprechender, nicht gezeigter Zapfen befindet sich an der Unterseite der
unteren Verbindungsplatte 24. Dieser Zapfen dient zum Einschieben in eine
Bohrung 46 in der Leiste 26 des Bettrahmens.A corresponding pin, not shown, is located on the underside of the
lower connecting plate 24. This pin is used to insert into a
Bore 46 in the
Auf den Innenseiten der beiden Blattfedern 10,12 sind weitere Zapfen 48,50 gezeigt,
die jeweils eine zentrale, nicht bezeichnete Bohrung aufweisen und bei der
Montage von der Innenseite der Blattfedern her auf die aus den Bohrlöchern
34,36 austretenden Stifte 30,32 der beiden Verbindungsplatten 22,24 aufgeschoben
werden.
Diese beiden Zapfen dienen zum einen zur Aufnahme einer Doppelkegelfeder 52,
deren Windungsdurchmesser an den beiden Enden dem Außendurchmesser der
beiden Zapfen 48,50 entspricht, so daß die Doppelkegelfeder nach unten und
oben von den Zapfen 48,50 aufgenommen werden kann. Die beiden Zapfen
48,50, die aus einem Kunststoffmaterial bestehen können, dienen im übrigen
als Anschlag zur Begrenzung des Einfederns der Blattfedern 10,12, da ein übermäßiges
Einfedern zu einer dauerhaften Verformung des Materials der Blattfedern
10,12 führen kann, die insbesondere dann bei starker Belastung eintreten
kann, wenn die beiden Blattfedern aus Kunststoff bestehen.These two pins serve on the one hand to accommodate a double
Alle in der Zeichnung gezeigten Teile können ohne Zurhilfenahme von Werkzeugen
durch Zusammenstecken montiert werden. Durch die Profilierung der Zapfen
42,48,50 und eine entsprechende leichte Überdimensionierung in Bezug auf
die Bohrungen 44,46 bzw. eine leichte Unterdimensionierung der Bohrung der
Zapfen 48,50 kann erreicht werden, daß die gesamte Konstruktion durch Zusammenstecken
so fest verbunden wird, daß weitere Verbindungsmittel nicht
notwendig sind. Im Einzelfall kann jedoch auch ein Kleber zum Festlegen der
Zapfenverbindungen verwendet werden.All parts shown in the drawing can be used without tools
be assembled by plugging together. By profiling the
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29915786U DE29915786U1 (en) | 1999-09-08 | 1999-09-08 | Spring element for bed frame |
DE29915786U | 1999-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1082926A1 true EP1082926A1 (en) | 2001-03-14 |
EP1082926B1 EP1082926B1 (en) | 2004-07-21 |
Family
ID=8078627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00118993A Expired - Lifetime EP1082926B1 (en) | 1999-09-08 | 2000-09-01 | Spring element for bed frame |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1082926B1 (en) |
AT (1) | ATE271333T1 (en) |
DE (2) | DE29915786U1 (en) |
ES (1) | ES2223356T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1532900A1 (en) * | 2003-11-18 | 2005-05-25 | Hermann Bock GmbH | Support element |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5632473A (en) * | 1992-10-01 | 1997-05-27 | Dias Magalh+E,Otl A+Ee Es Queiroz; Jo+E,Otl A+Ee O | Elastic spring and spring support for mattress, chair or upholstery |
DE19637933C1 (en) | 1996-09-17 | 1998-01-02 | Ferdinand Baumjohann | Frame for sitting or crouching on |
FR2771909A1 (en) * | 1997-12-05 | 1999-06-11 | Gelis Isabelle De Bouvier Math | Slatted mattress base with slats held in end pieces |
-
1999
- 1999-09-08 DE DE29915786U patent/DE29915786U1/en not_active Expired - Lifetime
-
2000
- 2000-09-01 ES ES00118993T patent/ES2223356T3/en not_active Expired - Lifetime
- 2000-09-01 DE DE50007113T patent/DE50007113D1/en not_active Expired - Fee Related
- 2000-09-01 AT AT00118993T patent/ATE271333T1/en not_active IP Right Cessation
- 2000-09-01 EP EP00118993A patent/EP1082926B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5632473A (en) * | 1992-10-01 | 1997-05-27 | Dias Magalh+E,Otl A+Ee Es Queiroz; Jo+E,Otl A+Ee O | Elastic spring and spring support for mattress, chair or upholstery |
DE19637933C1 (en) | 1996-09-17 | 1998-01-02 | Ferdinand Baumjohann | Frame for sitting or crouching on |
FR2771909A1 (en) * | 1997-12-05 | 1999-06-11 | Gelis Isabelle De Bouvier Math | Slatted mattress base with slats held in end pieces |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1532900A1 (en) * | 2003-11-18 | 2005-05-25 | Hermann Bock GmbH | Support element |
Also Published As
Publication number | Publication date |
---|---|
ES2223356T3 (en) | 2005-03-01 |
ATE271333T1 (en) | 2004-08-15 |
EP1082926B1 (en) | 2004-07-21 |
DE50007113D1 (en) | 2004-08-26 |
DE29915786U1 (en) | 1999-11-11 |
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