EP0194538B1 - Slatted support base for beds - Google Patents
Slatted support base for beds Download PDFInfo
- Publication number
- EP0194538B1 EP0194538B1 EP86102702A EP86102702A EP0194538B1 EP 0194538 B1 EP0194538 B1 EP 0194538B1 EP 86102702 A EP86102702 A EP 86102702A EP 86102702 A EP86102702 A EP 86102702A EP 0194538 B1 EP0194538 B1 EP 0194538B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- leaf spring
- spring
- slatting
- upper limbs
- frame
- 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.)
- Expired
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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
- A47C23/06—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
Definitions
- the invention relates to a slatted frame for beds, consisting of a rectangular frame with parallel to its short sides spaced transverse slats, the respective ends of which are connected to the respective longitudinal member of the frame via a leaf spring.
- Slatted frames for beds are known in a wide variety of embodiments.
- the crossbars usually made of wood can be designed to be self-resilient and connected rigidly or resiliently to the frame.
- Numerous proposals are known for the spring-elastic connection, such as elastic rubber or plastic elements, helical compression springs, straight leaf springs and C-shaped curved leaf springs. The latter can be arranged either parallel to the crossbars or parallel to the side members of the frame.
- the crossbars of slatted frames are to be fixed in their longitudinal direction so as to be secure against displacement, in the transverse direction, that is to say parallel to the longitudinal beams of the slatted frame, to a certain extent can be rotated and displaced.
- the requirement for the resilient connection of the crossbars to the frame is that it is fatigue-free and overload-proof for a long time.
- the spring elements that have these properties should also be inexpensive to manufacture and assemble.
- helical compression springs and leaf springs are long-lasting, provided they are installed in conjunction with elements that limit the travel, but can be with helical compression springs, the resistance to displacement of the crossbars in their longitudinal direction and the tilting and sliding ability in the transverse direction are difficult to achieve. Furthermore, a number of additional parts are required for the installation of helical compression springs. Straight or C-shaped leaf springs can be manufactured inexpensively and assembled with little effort, but depending on the orientation with respect to the crossbars, they either do not guarantee their security against displacement in the longitudinal direction or hinder their tilting and displacement in the transverse direction.
- leaf springs have an essentially linear spring characteristic, so that the slatted frame only has the desired spring hardness symmetrically to its longitudinal center line when it is loaded, but becomes increasingly softer and correspondingly deeper, the further the load compresses towards an edge shifted there.
- the resulting "inclined plane" in the transverse direction of the slatted frame or the mattress lying thereon is highly undesirable.
- the invention has for its object to provide a slatted frame of the type specified in the introduction, the crossbars are connected to the longitudinal frame via inexpensive to manufacture and easy to assemble spring elements that ensure a great security against displacement of the crossbars in their longitudinal direction, but at the same time a certain tilt and Allow transverse movement, are durable and have a strongly progressive spring characteristic to compensate for asymmetrical loads.
- the spring in the side view in the area of its apex is curved evenly convexly with a large radius, that on the apex on both sides in a narrow radius of curvature angled inward, obliquely towards each other, running down upper legs to which in turn connect in a narrow radius of curvature angled, lower legs, which merge into the respective horizontal ends of the spring.
- Such a leaf spring can be inexpensively produced from stainless steel spring sheet metal by bending and in the simplest case can be screwed on the one hand to the side member and on the other hand to the crossbar in question, so it can be assembled quickly and without additional parts.
- the spring hardness can be changed with simple means using both the material thickness and the width.
- the leaf spring allows only slight displacements of the crossbars in their longitudinal direction, but allows a certain mobility in the transverse direction, which can also be easily increased if the apex of the leaf spring is connected to the crossbar in a manner other than by means of screws.
- the special shape of the leaf spring ensures a relatively high hardness with low material expenditure and for a strongly progressive spring characteristic which counteracts an undesirably wide deflection when the mattress is loaded from one side.
- the slatted frame equipped with these springs is therefore inexpensive to manufacture, has the desired suspension properties and has a long service life.
- the slatted frame shown in Fig. 1 consists in a known manner of a wooden frame, of which only the two parallel side members 1 a and 1 b and a cross member 2 are shown here. Between the longitudinal beams 1a and 1b are usually also made of wood transverse slats 3, which can optionally also be convex. Each crossbar 3 is connected at its two ends to the relevant longitudinal member via an approximately Q-shaped leaf spring 4.
- the leaf spring 4 has a uniformly convexly curved apex 4a, to which are connected on both sides in a narrow radius of curvature angled inward, obliquely downward, essentially straight upper legs 4b, 4c to which in turn, in a narrow radius of curvature angled, lower legs 4d, 4e adjoin, which merge into the respective horizontal ends 4f, 4g in a wide radius of curvature.
- the upper legs 4b, 4c are approximately as long as the lower legs 4d, 4e. It is essential that the leaf spring 4 has only relatively short sections running perpendicular.
- the respective narrow radii of curvature are approximately one third or two thirds of the height of the unloaded spring.
- the leaf spring 4 has a high spring hardness taking into account its material thickness and its width (see FIG. 3b).
- the spring characteristic is very progressive, which is at least partially due to the fact that part of the apex 4a on the crossbar 3 and part of the two lower legs 4d, 4e increasingly bears against the side member 1a during deflection, so that the for Shorten the effective sections of the leaf spring.
- This progressivity can accordingly be influenced by changing the radii of curvature on the one hand for the apex and on the other hand for the two lower legs.
- Figure 4 shows a similar embodiment of the slatted frame as Figures 3a and 3b, but the slatted frame in the case of Figure 4 consists of side members with a rectangular cross section and a hard rubber block 5, which is attached to the apex 4a of the leaf spring 4 at its junction with the crossbar 3 and serves as an elastic stop to limit the spring travel.
- Figure 5 shows an embodiment similar to Figure 3a.
- 4 C-shaped leaf spring elements 6 can be used between the lower and the upper legs and / or between the upper legs and the apex of the leaf spring, one of which is in the right part of the figure on the one hand in the loaded and on the other hand in the unloaded state is shown.
- the connection of these C-shaped leaf spring elements to the leaf spring 4 can be designed in a simple manner in such a way that the leaf spring elements can subsequently be inserted or removed by hand and without tools.
- 6 pins 6a can be riveted to the ends of the C-shaped leaf spring elements and engage in corresponding, pre-punched holes in the leaf spring 4.
- Other solutions e.g. B. in the form of openings that cooperate with corresponding notches are also possible.
Abstract
Description
Die Erfindung betrifft einen Lattenrost für Betten, bestehend aus einem rechteckigen Rahmen mit parallel zu dessen kurzen Seiten in Abstand zueinander angeordneten Querlatten, deren jeweilige Enden mit dem betreffenden Längsträger des Rahmens über je eine Blattfeder verbunden sind.The invention relates to a slatted frame for beds, consisting of a rectangular frame with parallel to its short sides spaced transverse slats, the respective ends of which are connected to the respective longitudinal member of the frame via a leaf spring.
Lattenroste für Betten sind in den verschiedensten Ausführungsformen bekannt. Beispielsweise können die gewöhnlich aus Holz bestehenden Querlatten selbstfedernd ausgebildet und starr oder federelastisch mit dem Rahmen verbunden sein. Für die federelastische Verbindung sind wiederum zahlreiche Vorschläge bekannt, so etwa elastische Gummi- oder Kunststoffelemente, Schraubendruckfedern, gerade Blattfedern und C-förmig gebogene Blattfedern. Die letzteren können entweder parallel zu den Querlatten oder parallel zu den Längsträgern des Rahmens angeordnet sein.Slatted frames for beds are known in a wide variety of embodiments. For example, the crossbars usually made of wood can be designed to be self-resilient and connected rigidly or resiliently to the frame. Numerous proposals are known for the spring-elastic connection, such as elastic rubber or plastic elements, helical compression springs, straight leaf springs and C-shaped curved leaf springs. The latter can be arranged either parallel to the crossbars or parallel to the side members of the frame.
Bekanntlich sollen die Querlatten von Lattenrosten in ihrer Längsrichtung verschiebungssicher fixiert, in Querrichtung, also parallel zu den Längsträgern des Lattenrostes bis zu einem gewissen Grade verdreh- und verschiebbar sein. Zugleich wird an die federnde Verbindung der Querlatten mit dem Rahmen die Forderung gestellt, daß sie über lange Zeit ermüdungsfrei sowie überlastsicher ist. Selbstverständlich sollen aber auch die Federelemente, die diese Eigenschaften haben, preiswert herstellbar und montierbar sein.As is known, the crossbars of slatted frames are to be fixed in their longitudinal direction so as to be secure against displacement, in the transverse direction, that is to say parallel to the longitudinal beams of the slatted frame, to a certain extent can be rotated and displaced. At the same time, the requirement for the resilient connection of the crossbars to the frame is that it is fatigue-free and overload-proof for a long time. Of course, the spring elements that have these properties should also be inexpensive to manufacture and assemble.
Während nun federnde Gummi- oder Kunststoffelemente die erforderliche Fixierung der Querlatten in deren Längsrichtung kaum zu gewährleisten vermögen und vor allem verhältnismäßig rasch altern und ermüden, sind Schraubendruckfedern und Blattfedern zwar langlebig, sofern sie in Verbindung mit den Federweg begrenzenden Elementen eingebaut werden, jedoch läßt sich mit Schraubendruckfedern die Verschiebungssicherheit der Querlatten in ihrer Längsrichtung und die Kipp- und Verschiebbarkeit in Querrichtung schlecht erreichen. Ferner ist für den Einbau von Schraubendruckfedern eine Anzahl von Zusatzteilen erforderlich. Gerade oder C-förmige Blattfedern lassen sich zwar preiswert fertigen und mit wenig Aufwand montieren, gewährleisten aber je nach Orientierung in bezug auf die Querlatten entweder deren Verschiebungssicherheit in Längsrichtung nicht oder behindern deren Verkipp- und Verschiebbarkeit in Querrichtung. Der Hauptnachteil von Blattfedern besteht aber darin, daß sie eine im wesentlichen lineare Federkennlinie haben, so daß der Lattenrost die gewünschte Federhärte nur bei Belastung symmetrisch zu seiner Längsmittellinie hat, jedoch zunehmend weicher wird und dementsprechend tiefer einfedert, je weiter sich die Belastung zu einem Rand hin verlagert. Die hieraus resultierende "schiefe Ebene" in Querrichtung des Lattenrostes bzw. der darauf liegenden Matratze ist jedoch höchst unerwünscht.While resilient rubber or plastic elements can hardly guarantee the required fixation of the crossbars in their longitudinal direction and, above all, age and tire relatively quickly, helical compression springs and leaf springs are long-lasting, provided they are installed in conjunction with elements that limit the travel, but can be with helical compression springs, the resistance to displacement of the crossbars in their longitudinal direction and the tilting and sliding ability in the transverse direction are difficult to achieve. Furthermore, a number of additional parts are required for the installation of helical compression springs. Straight or C-shaped leaf springs can be manufactured inexpensively and assembled with little effort, but depending on the orientation with respect to the crossbars, they either do not guarantee their security against displacement in the longitudinal direction or hinder their tilting and displacement in the transverse direction. The main disadvantage of leaf springs is, however, that they have an essentially linear spring characteristic, so that the slatted frame only has the desired spring hardness symmetrically to its longitudinal center line when it is loaded, but becomes increasingly softer and correspondingly deeper, the further the load compresses towards an edge shifted there. The resulting "inclined plane" in the transverse direction of the slatted frame or the mattress lying thereon is highly undesirable.
Der Erfindung liegt die Aufgabe zugrunde, einen Lattenrost der einleitend angegebenen Gattung zu schaffen, dessen Querlatten mit dem Längsrahmen über preiswert herstellbare und einfach zu montierende Federelemente verbunden sind, die eine große Verschiebungssicherheit der Querlatten in deren Längsrichtung gewährleisten, gleichzeitig aber eine gewisse Verkipp- und Verschiebbarkeit in Querrichtung zulassen, langlebig sind und zum Ausgleich unsymmetrischer Belastungen eine stark progressive Federkennlinie haben.The invention has for its object to provide a slatted frame of the type specified in the introduction, the crossbars are connected to the longitudinal frame via inexpensive to manufacture and easy to assemble spring elements that ensure a great security against displacement of the crossbars in their longitudinal direction, but at the same time a certain tilt and Allow transverse movement, are durable and have a strongly progressive spring characteristic to compensate for asymmetrical loads.
Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß die Feder in der Seitenansicht im Bereich ihres Scheitels gleichmäßig konvex mit großem Radius gekrümmt ist, daß sich an den Scheitel beidseits in einem engen Krümmungsradius nach innen abgewinkelte, schräg aufeinander zu nach unten laufende, obere Schenkel anschließen, an die sich wiederum in einem engen Krümmungsradius schräg nach außen abgewinkelte, untere Schenkel anschließen, die in die jeweiligen waagerechten Enden der Feder übergehen.This object is achieved in that the spring in the side view in the area of its apex is curved evenly convexly with a large radius, that on the apex on both sides in a narrow radius of curvature angled inward, obliquely towards each other, running down upper legs to which in turn connect in a narrow radius of curvature angled, lower legs, which merge into the respective horizontal ends of the spring.
Eine derertige Blattfeder läßt sich aus Edelstahlfederblech preiswert durch Biegen herstellen und kann im einfachsten Fall einerseits an den Längsträger, andererseits an die betreffende Querlatte angeschaubt werden, ist also rasch und ohne zusätzliche Teile montierbar. Sowohl über die Materialstärke als auch die Breite kann die Federhärte mit einfachen Mitteln verändert werden. Die Blattfeder läßt nur geringe Verschiebungen der Querlatten in deren Längsrichtung zu, gestattet jedoch eine gewisse Beweglichkeit in Querrichtung, die sich zudem leicht erhöhen läßt, wenn der Scheitel der Blattfeder in anderer Weise als mittels Schrauben mit der Querlatte verbunden wird. Vor allem aber sorgt die besondere Form der Blattfeder für eine verhältnismäßig große Härte bei geringem Materialaufwand und für eine stark progressive Federkennlinie die einem unterwünscht weiten Einfedern bei einseitiger Belastung der Matratze entgegenwirkt. Der mit diesen Federn ausgerüstete Lattenrost ist mithin preiswert herstellbar, hat die gewünschten Federungseigenschaften und besitzt eine hohe Lebensdauer.Such a leaf spring can be inexpensively produced from stainless steel spring sheet metal by bending and in the simplest case can be screwed on the one hand to the side member and on the other hand to the crossbar in question, so it can be assembled quickly and without additional parts. The spring hardness can be changed with simple means using both the material thickness and the width. The leaf spring allows only slight displacements of the crossbars in their longitudinal direction, but allows a certain mobility in the transverse direction, which can also be easily increased if the apex of the leaf spring is connected to the crossbar in a manner other than by means of screws. Above all, however, the special shape of the leaf spring ensures a relatively high hardness with low material expenditure and for a strongly progressive spring characteristic which counteracts an undesirably wide deflection when the mattress is loaded from one side. The slatted frame equipped with these springs is therefore inexpensive to manufacture, has the desired suspension properties and has a long service life.
In den Unteransprüchen sind vorteilhafte Ausfünrungsformen des Lattenrostes bzw. der für ihn verwendeten Blattfeder angegeben.Advantageous embodiments of the slatted frame or the leaf spring used for it are specified in the subclaims.
Die Zeichnung zeigt einen Lattenrost nach der Erfindung und mehrere Ausführungsbeispiele der für seine Eigenschaften wesentlichen Blattfeder.
- Figur 1 ist eine perspektivische Teildarstellung des Lattenrostes;
Figur 2 zeigt einen perspektivischen Ausschnitt im Bereich einer Querlatte;- Fig. 3a, 3b zeigen den in Fig. 2 dargestellten Teilausschnitt in der Seitenansicht und in einer teilweise geschnittenen Stirnansicht;
Figur 4 zeigt eine Darstellung ähnlich Fig. 2, jedoch in einer anderen Asuführungsform undFigur 5 zeigt eine Seitenansicht einer weiteren Ausführungsform.
- Figure 1 is a partial perspective view of the slatted base;
- Figure 2 shows a perspective section in the area of a crossbar;
- 3a, 3b show the partial section shown in FIG. 2 in a side view and in a partially sectioned end view;
- FIG. 4 shows an illustration similar to FIG. 2, however in a different embodiment and
- Figure 5 shows a side view of another embodiment.
Der in Fig. 1 dargestellte Lattenrost besteht in bekannter Weise aus einem Holzrahmen, von dem hier nur die beiden parallelen Längsträger 1 a und 1b sowie ein Querträger 2 wiedergegeben sind. Zwischen den Längsträgern 1a und 1b sind üblicherweise ebenfalls aus Holz bestehende Querlatten 3 angeordnet, die gegebenenfalls auch konvex gewölbt ausgebildet sein können. Jede Querlatte 3 ist an ihren beiden Enden mit dem betreffenden Längsträger über eine näherungsweise Q-förmige Blattfeder 4 verbunden.The slatted frame shown in Fig. 1 consists in a known manner of a wooden frame, of which only the two
Gemäß Fig. 2 ist die Q-förmige Blattfeder 4 an ihrem Scheitel mit der Querlatte 3 verschraubt. Ebenso sind die beiden freien Enden der Blattfeder 4 auf einer waagerechten Auflagefläche auf dem Längsträger 1a festgeschraubt. Der Längsträger 1 hat einen L-förmigen Querschnitt;
- der senkrechte Schenkel wirkt als Federwegbegrenzung oder Anschlag und vermeidet damit Überlastungen der
Blattfeder 4, die zu deren Bruch führen könnten.
- the vertical leg acts as a travel limit or stop and thus avoids overloading the
leaf spring 4, which could lead to its breakage.
Wie aus den Fig. 3a und 3b ersichtlich, hat die Blattfeder 4 einen gleichmäßig konvex gewölbten Scheitel 4a, an den sich beidseits in einem engen Krümmungsradius nach innen abgewinkelte, schräg nach unten laufende, im wesentlichen gerade obere Schenkel 4b, 4c anschließen, an die sich wiederum in einem engen Krümmungsradius schräg nach außen abgewinkelte, untere Schenkel 4d, 4e anschließen, welche in einem weiten Krümmungsradius in die jeweiligen waagerechten Enden 4f, 4g übergehen. Die oberen Schenkel 4b, 4c sind etwa ebenso lang wie die unteren Schenkel 4d, 4e. Wesentlich ist, daß die Blattfeder 4 nur verhältnismäßig kurze in der Lotrechten verlaufende Abschnitte aufweist. Die jeweiligen engen Krümmungsradien liegen näherungsweise bei einem Drittel bzw. bei zwei Dritteln der Höhe der unbelasteten Feder.As can be seen from FIGS. 3a and 3b, the
Infolge der durch die Verschraubung ihrer beiden Enden 4f und 4g mit dem Längsträger 1a bewirkten Einspannung ihrer beiden freien Enden hat die Blattfeder 4 von Hause aus eine unter Berücksichtigung ihrer Materialstärke und ihrer Breite (vgl. Fig. 3b) hohe Federhärte. Darüberhinaus ist die Federkennlinie stark progressiv, was zumindest teilweise dadurch bedingt ist, daß sich beim Einfedern ein Teil des Scheitels 4a an die Querlatte 3 und ein Teil der beiden unteren Schenkel 4d, 4e an den Längsträger 1a zunehmend anlegt, so daß sich die für die Federung wirksamen Abschnitte der Blattfeder verkürzen. Diese Progressivität kann dementsprechend durch Änderung der Krümmungsradien einerseits für den Scheitel, andererseits für die beiden unteren Schenkel beeinflußt werden.As a result of the clamping of its two free ends caused by the screwing of its two ends 4f and 4g to the
Figur 4 zeigt eine ähnliche Ausführungsform des Lattenrostes wie die Figuren 3a und 3b, jedoch besteht der Lattenrost im Fall der Figur 4 aus Längsträgern mit Rechteckquerschnitt sowie einem Hartgummiklotz 5, der mit dem Scheitel 4a der Blattfeder 4 an deren Verbindungsstelle mit der Querlatte 3 befestigt ist und als elastischer Anschlag zur Begrenzung des Federweges dient.Figure 4 shows a similar embodiment of the slatted frame as Figures 3a and 3b, but the slatted frame in the case of Figure 4 consists of side members with a rectangular cross section and a
Figur 5 zeigt eine Ausführungsform ähnlich Figur 3a. Zur nachträglichen Erhöhung der Federhärte können zwischen die unteren und die oberen Schenkel und/oder zwischen die oberen Schenkel und den Scheitel der Blattfeder 4 C-förmige Blattfederelemente 6 eingesetzt werden, von denen eines im rechten Teil der Figur einerseits im belasteten, andererseits im unbelasteten Zustand dargestellt ist. Die Verbindung dieser C-förmigen Blattfederelemente mit der Blattfeder 4 läßt sich in einfacher Weise so gestalten, daß die Blattfederelemente nachträglich von Hand und ohne Werkzeug einsetzbar oder herausnehmbar sind. Beispielsweise können an den Enden der C-förmigen Blattfederelemente 6 Stifte 6a eingenietet sein, die in entsprechende, vorgestanzte Löcher in der Blattfeder 4 eingreifen. Andere Lösungen z. B. in Form von Durchbrüchen, die mit entsprechenden Ausklinkungen zusammenwirken, sind ebenfalls möglich.Figure 5 shows an embodiment similar to Figure 3a. To subsequently increase the spring hardness, 4 C-shaped leaf spring elements 6 can be used between the lower and the upper legs and / or between the upper legs and the apex of the leaf spring, one of which is in the right part of the figure on the one hand in the loaded and on the other hand in the unloaded state is shown. The connection of these C-shaped leaf spring elements to the
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT86102702T ATE44443T1 (en) | 1985-03-12 | 1986-02-28 | SLATS FOR BEDS. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853508757 DE3508757A1 (en) | 1985-03-12 | 1985-03-12 | Slatted base for beds |
| DE3508757 | 1985-03-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0194538A2 EP0194538A2 (en) | 1986-09-17 |
| EP0194538A3 EP0194538A3 (en) | 1986-11-20 |
| EP0194538B1 true EP0194538B1 (en) | 1989-07-12 |
Family
ID=6264935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP86102702A Expired EP0194538B1 (en) | 1985-03-12 | 1986-02-28 | Slatted support base for beds |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0194538B1 (en) |
| AT (1) | ATE44443T1 (en) |
| DE (2) | DE3508757A1 (en) |
| ES (1) | ES8706021A1 (en) |
| FI (1) | FI81716C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19637933C1 (en) * | 1996-09-17 | 1998-01-02 | Ferdinand Baumjohann | Frame for sitting or crouching on |
| DE19930215C2 (en) * | 1999-06-30 | 2002-06-27 | Rudolf Haddick | Lying and seating element |
| ES2171339B2 (en) * | 1999-07-09 | 2004-08-01 | Flex Equipos De Descanso S.A. | SHOCK ABSORBING SYSTEM FOR LARGE WIDE SOMIERES, ESPECIALLY FOR LAMAS SOMIERES. |
| DE102006010664B3 (en) * | 2006-03-08 | 2007-03-29 | Ferdinand Baumjohann | Spring unit for support of laths in skirt frame of bed or seat frame, has one side piece fixed with skirt frame, another side piece fixed with lath, and spiral spring exchangeably formed between side pieces |
| DE202007017972U1 (en) | 2007-12-20 | 2008-03-20 | Baumjohann, Matthias | Spring element for mattress support |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE547663C (en) * | 1932-04-04 | Walter Knoll & Co G M B H | Mattress, upholstered seat, backrest or the like. | |
| DE7502618U (en) * | 1975-05-28 | Vogel G | Cap for spring strips | |
| FR2855E (en) * | 1902-10-21 | 1904-06-30 | Auguste Louis Joseph Renaut | Renaut hygienic metal bed base |
| US2966207A (en) * | 1956-09-05 | 1960-12-27 | Igma A G | Spring frame for the upholstery of seats and/or back rests more particularly of seats in motor vehicles |
| GB1430590A (en) * | 1972-12-21 | 1976-03-31 | Dulop Ltd | Furniture for sitting or lying upon |
| CH622693A5 (en) * | 1977-11-23 | 1981-04-30 | Plasco Cie Francaise Des Matie | Attachment device to attach a transverse slat of a bed frame resiliently to a longitudinal support of the bed frame |
-
1985
- 1985-03-12 DE DE19853508757 patent/DE3508757A1/en active Granted
-
1986
- 1986-02-28 EP EP86102702A patent/EP0194538B1/en not_active Expired
- 1986-02-28 DE DE8686102702T patent/DE3664252D1/en not_active Expired
- 1986-02-28 AT AT86102702T patent/ATE44443T1/en not_active IP Right Cessation
- 1986-03-10 FI FI860978A patent/FI81716C/en not_active IP Right Cessation
- 1986-03-11 ES ES552880A patent/ES8706021A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI860978A0 (en) | 1986-03-10 |
| EP0194538A2 (en) | 1986-09-17 |
| FI81716B (en) | 1990-08-31 |
| EP0194538A3 (en) | 1986-11-20 |
| ES8706021A1 (en) | 1987-06-01 |
| DE3508757A1 (en) | 1986-09-18 |
| FI860978A (en) | 1986-09-13 |
| FI81716C (en) | 1990-12-10 |
| ATE44443T1 (en) | 1989-07-15 |
| DE3664252D1 (en) | 1989-08-17 |
| ES552880A0 (en) | 1987-06-01 |
| DE3508757C2 (en) | 1989-01-12 |
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