EP1276406B1 - Support device that can be adjusted by means of a motor and is used for the upholstery of a piece of furniture used for sitting and/or laying upon - Google Patents

Support device that can be adjusted by means of a motor and is used for the upholstery of a piece of furniture used for sitting and/or laying upon Download PDF

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Publication number
EP1276406B1
EP1276406B1 EP01943239.2A EP01943239A EP1276406B1 EP 1276406 B1 EP1276406 B1 EP 1276406B1 EP 01943239 A EP01943239 A EP 01943239A EP 1276406 B1 EP1276406 B1 EP 1276406B1
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EP
European Patent Office
Prior art keywords
support
component
drive
support device
furniture
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 - Lifetime
Application number
EP01943239.2A
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German (de)
French (fr)
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EP1276406A1 (en
Inventor
Eckhart Dewert
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Linak AS
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Linak AS
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Publication of EP1276406A1 publication Critical patent/EP1276406A1/en
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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
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously

Definitions

  • the invention relates to a motor-adjustable support device referred to in the preamble of claim 1 for a padding of a seat and / or reclining furniture.
  • Such support means are generally known in the form of motor-adjustable slatted frames for beds or the like.
  • a motor-adjustable support means of the type in question in the form of a slatted base which has a base body with a frame, with which a plurality of relatively adjustable support members are connected.
  • the known support device has a drive unit detachably connected to the main body, which has a housing.
  • the housing has two mutually spaced recesses into which in the mounting position of the drive unit in each case engages a rotatably mounted on the main body of the support means shaft which is in operative connection with a support member to be adjusted and rotatable by means of the drive unit.
  • the drive unit is arranged below the frame of the slatted base.
  • a disadvantage of the known support means is that it has a relatively large height.
  • the invention has for its object to provide a motor-adjustable support means referred to in the preamble of claim 1, which does not have the disadvantage of the known support means, the overall height is reduced.
  • the invention is based on the idea to arrange the drive unit below the main body of the support means, as is the case in the known support means. Rather, it is based on the idea to arrange the drive unit so that it is arranged in the installed position in the vertical direction between the shaft and the support members. For this purpose, the invention provides that the drive unit is mounted on the shaft from the support side.
  • the drive unit is received between the shaft and the support members, so that it does not or only slightly protrudes beyond the main body of the support means.
  • the overall height of the support device according to the invention is substantially reduced and essentially determined by the height of the main body of the support means.
  • the support device according to the invention is visually appealing, since it gives the impression of a conventional non-motorized support means due to their low height substantially.
  • Another advantage of the support device according to the invention is that it occupies less space than the known support means due to their low height during transport and storage. This saves costs.
  • the support device according to the invention is simple and inexpensive to produce and easy to mount on the main body of the support means.
  • a development of the teaching according to the invention provides that the shaft is mounted on the main body of the support means. This results in a stable and robust construction.
  • a pivot lever is rotatably connected to the shaft, which is the same for pivoting with a drive motor of the drive unit in drive connection.
  • the adjustment of the support device according to the invention is particularly simple in construction and thus inexpensive to produce.
  • the adjusting particularly high forces can be applied, which is particularly advantageous if the support means under load, for example, under the weight of a person resting on her person to be adjusted.
  • the drive unit of the support device according to the invention can be designed in any suitable manner.
  • An advantageous embodiment sees in that the drive unit has a linearly movable drive element, with which the pivot lever for pivoting the same is in operative connection. In this way, results in a simple and inexpensive and robust construction of the drive unit.
  • linearly movable drive element In the embodiment with the linearly movable drive element, this can be designed in any suitable manner.
  • the linearly movable drive element is a rotationally and axially movably held on a rotatably driven adjusting spindle spindle nut.
  • spindle drives are available as simple and inexpensive as well as robust standard components.
  • the linearly movable drive element may also be a movable in its axial direction adjusting spindle, on which a stationary, rotatably driven spindle nut is arranged.
  • the support means has a single, in operative connection with a support member to be adjusted shaft.
  • a support member to be adjusted shaft Conveniently, however, two rotatably mounted shafts are provided, each shaft is associated with a recess in the housing of the drive unit.
  • two shafts, each of which is in operative connection with at least one support member to be adjusted there are a variety of adjustment options, such as a slatted frame, comprising an upper body support member, a head support member, a leg support member and a calf support member, which are adjustable relative to a central support member.
  • Another advantageous development of the teaching according to the invention provides locking means for locking the drive unit in the mounting position on the support device. In this way it is prevented that the drive unit releases from the shaft under load.
  • the main body of the support device according to the invention has a frame, as provided by a further development.
  • the support device is designed as a slatted frame.
  • the drive unit is arranged on a first part of the furniture, that the drive unit has a take-up device for a band, rope or chain-shaped traction means, the manner of a pulley over at least one of the housing or another, arranged at adjusting the support member relative to the first part fixed part guide pulley and at least one arranged on the support member to be adjusted or with this part for adjusting the same in operative connection intermediate part deflecting roller, wherein the traction means with the associated, to adjusting support member is operatively connected in such a way that upon winding of the traction means is carried out an adjustment of the support member.
  • the furniture drive according to the invention of the support device according to the invention works in the manner of a pulley. Due to this, too, can be used small and therefore cost-effective drive motors, such as electric motors, high forces are applied by the drive unit of the furniture drive.
  • the furniture drive according to the invention is designed as a whole simple and therefore cost. In addition, it is compact in construction.
  • the traction means is guided over the pulleys in the manner of a 2-strand pulley.
  • An extremely advantageous development of the teaching according to the invention provides that the traction means in the manner of at least 4-stranded pulley alternately arranged on the housing or another when adjusting the support member relative to the first part stationary part arranged pulleys and on the associated support member or a arranged with this part for adjusting the same in operative connection intermediate part arranged deflection rollers is guided.
  • a higher reduction is achieved than in a 2-strand pulley, so that can be applied in response to the number of strands of the pulley particularly high forces.
  • the drive motor of the drive unit can thus be made even smaller and cheaper and more compact.
  • the drive unit associated with, on the housing or another when adjusting the support member stationary part arranged deflection rollers have coaxial axes of rotation or are arranged on a common axis of rotation and / or that the support member associated with this or a Intermediate part disposed pulleys have coaxial axes of rotation or are arranged on a common axis of rotation.
  • the part of the furniture associated pulleys each form a compact, space-saving roller block.
  • the end of the traction means facing away from the take-up device can be fixed to the support part to be adjusted or to the intermediate part in operative connection with the support part for adjusting or to the housing or the first part.
  • any adjustment movements of parts of a piece of furniture can be carried out with the furniture drive according to the invention.
  • the drive unit or the drive units are designed as a pivot drive or pivot drives for pivoting the support member or the support members relative to the first part, as one embodiment provides.
  • This embodiment is particularly simple and therefore inexpensive in construction, as can be realized with little design effort, a pivot drive according to the pulley principle.
  • the intermediate part is a pivot lever which carries at least one deflection roller.
  • This embodiment is simple in construction and therefore inexpensive to produce.
  • the pivot lever can in this case in any suitable manner with the support member for adjusting the same in operative connection.
  • pivot lever is rotatably connected to a rotatably mounted shaft with which the support member for pivoting thereof is in operative connection.
  • This embodiment is simple in construction and particularly robust, so that can be applied particularly high forces with the furniture drive according to this embodiment.
  • a development of the aforementioned embodiment provides that the pivot lever is positively connected to form a rotationally fixed connection with the shaft.
  • This embodiment is particularly robust and suitable for transmitting particularly high forces.
  • Another embodiment of the embodiment with the pivot lever and the shaft provides that the shaft has a non-circular cross-section and positively engages in a recess of the pivot lever, which is formed to the cross section of the shaft substantially complementary.
  • This embodiment is particularly simple in construction.
  • the recess of the pivot lever in the radial direction of the shaft is open, wherein locking means are provided for locking the shaft in the recess. This facilitates the insertion of the shaft in the recess.
  • the winding device can be designed in any suitable manner.
  • An expedient development provides that the take-up device has a rotatably mounted winding element on which the take-up device facing the end of the traction means is fixed and which is in rotary drive connection with a motor, preferably an electric motor.
  • the motor which forms the rotary drive for the winding element, can be made small and therefore inexpensive due to the inventive application of the principle of a pulley.
  • a provided with a support device according to the invention seat and / or reclining furniture is specified in claim 29.
  • a support device 2 which is formed in this embodiment as a slatted frame and having a base body 4.
  • the base body 4 has a frame 6 with mutually parallel longitudinal beams, of which in the drawing, only a longitudinal spar 8 can be seen, the longitudinal beams 8 are connected to each other via not recognizable in the drawing crossbars.
  • the base body 4 also has a plurality of relatively adjustable support members, of which a central support member 10 is connected to the frame 6 and is not adjustable relative thereto.
  • a central support member 10 With one side of the central support member 10 is pivotally and pivotally connected about a horizontal pivot axis, an upper body support member 12, with the central support member 10 side facing away pivotally about a horizontal pivot axis and a head support member 14 is connected.
  • a leg support member 16 With the side facing away from the upper body support member 12 of the central support member 10 is pivotally connected and pivotable about a horizontal pivot axis, a leg support member 16, with the central support member 10 side facing pivotally and pivotally about a horizontal pivot axis, a calf support member 18 is connected.
  • the support device 2 is used for Supporting a padding, not shown in the drawing, of a sitting and / or lying furniture, for example a mattress of a bed.
  • the support device 2 has for adjusting the support members 12, 14, 16, 18 relative to the central support member 10 and the frame 6 a detachably connected to the base body 4 drive unit 32 which is pivotable about pivot axes 20, 22 rotatable on the frame 6 mounted shafts 24, 26 is used.
  • the shaft 24 serves to pivot the calf support member 18 and the leg support member 16 relative to the central support member 10 and is connected to the calf support member 18 via a lever assembly 28, while the shaft 26 for adjusting the upper body support member 12 and the head support member 14 relative to the central support member 10th serves and is connected to the headrest part 14 via a lever 30.
  • Fig. 2 shows a trained in this embodiment as a double drive, mounted on the base body 4 drive unit 32, the two drives 34, 34 ', which are accommodated in a common housing 36.
  • the drive 34 has an electric motor 38, which is in drive connection via a gear 40 with a rotatably driven adjusting spindle 42, on which a spindle nut 44, which forms a linearly movable drive element of the drive 34, is disposed against rotation and being movable in the axial direction.
  • the spindle nut 44 is designed as an actuating element for a pivot lever 46 formed in this embodiment as an angle lever, which is non-rotatably connected to the shaft 24.
  • adjustment drives the electric motor, the adjusting spindle 42 such that the spindle nut 44 in Fig. 2 moved to the right.
  • the pivot lever 46 pivots in Fig. 2 in a clockwise direction, so that the shaft 24 in Fig. 2 rotates clockwise and in this case a non-rotatably connected to the shaft 24 lever 48 of the lever assembly 28 in Fig. 2 pivots clockwise.
  • the leg support member 16 and the calf support member 18 are adjusted relative to the central support member 10 until the in Fig. 1 shown end position of the adjustment is reached.
  • the drive 34 ' is constructed in a manner corresponding to the drive 34 and is therefore not explained in detail here; its components are provided with reference numerals which correspond to the reference numerals of the components of the drive 34.
  • the drive unit 32 is placed on the shafts 24, 26 from the support side, that is to say from the side of the base body on which the support parts 10-18 are arranged.
  • the housing 36 recesses 50, 52 in which in the in Fig. 2 illustrated assembly position of the drive unit 32, the shafts 24, 26 engage, so that the connected to the shafts 24, 26 pivot lever 46, 46 'with the spindle nuts 44, 44' of the drive unit 32 engage, as is apparent from Fig. 2 is apparent.
  • the support device 2 has a substantially reduced overall height compared with the known support devices, which is essentially determined by the overall height of the frame 6.
  • the assembly of the drive unit 32 on the base body 4 can be done, for example, before the central support member 10 is mounted on the frame 6 and before the slats of the slatted base, of which in Fig. 2 only one pair of slats is provided with the reference numeral 54, are connected to the central support member 10.
  • the drive unit 32 is first pushed in the direction of an arrow 54 obliquely from below between the middle support member 10 and the shaft 24, then in Fig.
  • Fig. 3 an embodiment of a furniture drive according to the invention is shown, which is designed as a double drive and two drives 34, 34 'has.
  • the drive 34 will be explained in more detail; the drive 34 'is constructed accordingly, and its components are provided with reference numerals which correspond to the reference numerals of the components of the drive 34.
  • the drive 34 has a winding device 54 for a flexible pulling means in the form of a thin cable 56, which has a compact electric motor 58, the output shaft rotatably drives a worm 60, which is in engagement with a worm wheel 62.
  • a rotatably mounted winding element 64 is rotatably connected to the worm wheel 62, which serves to Aufwikkeln the cable 56, the winding device 54 facing end is fixed to the winding element 64.
  • the drive 34 further includes a pivot lever 66 which is about a in Fig. 3 in the plane extending into the axis of rotation 68 is rotatably mounted and is formed in this embodiment as a two-armed lever whose arms 70, 72 carry pulleys for the cable 56, of which in Fig. 3 only a pulley is provided with the reference numeral 74.
  • the rope 56 is guided in the manner of a multi-strand pulley alternately on the pulleys 74 of the pivot lever 66 and mounted on the inner wall of the housing 36 pulleys, of which Fig. 3 only a pulley is provided with the reference numeral 76.
  • the take-up device 54 facing away from the end 78 of the cable 56 is fixed to the inner wall of the housing 36.
  • the pivot lever 66 is rotatably in the mounting position of the furniture drive with a in Fig. 3 not shown shaft connected, which is in operative connection with the support member to be adjusted.
  • a in Fig. 3 is the rotationally fixed connection between the pivot lever 66 and the in Fig. 3 not shown shaft a positive connection.
  • the pivot lever 66 has a recess 80 with a non-circular cross-section, wherein the cross-section of the shaft to the cross section of the recess 80 is formed substantially complementary and the shaft engages positively in the mounting position in the recess 80.
  • Fig. 4 shows the furniture drive according to Fig. 3 in the mounting position, in which the drive unit 32 is mounted on the shafts 24, 26 from the support side. How out Fig. 4 can be seen, the cross section of the shafts 24, 26 to the cross section of the recesses 80, 80 'of the pivot lever 66, 66' of the drive unit 32 is formed substantially complementary, so that in the mounted position of the drive unit 32, the shaft 24 rotatably with the pivot lever 66 and the Shaft 26 rotatably connected to the pivot lever 66 'is connected.
  • the electric motor 58 drives the take-up device 54 such that the winding element 64 in Fig. 4 rotates counterclockwise, so that the cable 56 is wound up. Due to this, the shaft 24 pivots in Fig. 4 in the clockwise direction, so that the leg support member by means of the lever assembly 28, the lever 48 is rotatably connected to the shaft 24, in the in Fig. 4 shown adjusting position is pivoted.
  • the upper body support member 12 and the neck support member 14 by means of the drive 34 'adjustable.
  • the furniture drive according to the invention can be used both in supporting devices according to the invention, in which it is placed on the shafts 24, 26 from the support side, as well as in such support means in which it is placed on the shafts 24, 26 from the side remote from the support side or in the axial direction of the shafts 24, 26 is pushed onto this.
  • the furniture drive according to the invention is thus usable regardless of the manner of mounting with any support means. It can be designed as a double drive with two recorded in a common housing drives, as in the embodiment according to Fig. 3 the case is. However, it can also be designed as a single drive with a single drive or have any number of drives.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Transmission Devices (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Invalid Beds And Related Equipment (AREA)

Description

Die Erfindung betrifft eine motorisch verstellbare Stützeinrichtung der im Oberbegriff des Anspruchs 1 genannten Art für eine Polsterung eines Sitz- und/oder Liegemöbels.The invention relates to a motor-adjustable support device referred to in the preamble of claim 1 for a padding of a seat and / or reclining furniture.

Derartige Stützeinrichtungen sind in Form motorisch verstellbarer Lattenroste für Betten oder dergleichen allgemein bekannt.Such support means are generally known in the form of motor-adjustable slatted frames for beds or the like.

Durch DE 38 42 078 C2 ist eine motorisch verstellbare Stützeinrichtung der betreffenden Art in Form eines Lattenrostes bekannt, der einen Grundkörper mit einem Rahmen aufweist, mit dem mehrere relativ zueinander verstellbare Stützteile verbunden sind. Die bekannte Stützeinrichtung weist eine lösbar mit dem Grundkörper verbundene Antriebseinheit auf, die ein Gehäuse aufweist. Das Gehäuse weist zwei zueinander beabstandete Ausnehmungen auf, in die in Montageposition der Antriebseinheit jeweils eine drehbar an dem Grundkörper der Stützeinrichtung gelagerte Welle eingreift, die jeweils mit einem zu verstellenden Stützteil in Wirkungsverbindung steht und mittels der Antriebseinheit verdrehbar ist. Bei der bekannten Stützeinrichtung ist die Antriebseinheit unterhalb des Rahmens des Lattenrostes angeordnet.By DE 38 42 078 C2 is a motor-adjustable support means of the type in question in the form of a slatted base, which has a base body with a frame, with which a plurality of relatively adjustable support members are connected. The known support device has a drive unit detachably connected to the main body, which has a housing. The housing has two mutually spaced recesses into which in the mounting position of the drive unit in each case engages a rotatably mounted on the main body of the support means shaft which is in operative connection with a support member to be adjusted and rotatable by means of the drive unit. In the known support means, the drive unit is arranged below the frame of the slatted base.

Ein Nachteil der bekannten Stützeinrichtung besteht darin, daß sie eine relativ große Bauhöhe aufweist.A disadvantage of the known support means is that it has a relatively large height.

Ähnliche Stützeinrichtungen sind auch durch EP 0 372 032 B1 und EP 0 583 660 B1 bekannt. Diese Stützeinrichtungen weisen ebenfalls eine relativ große Bauhöhe auf.Similar support devices are also through EP 0 372 032 B1 and EP 0 583 660 B1 known. These support means also have a relatively large height.

Der Erfindung liegt die Aufgabe zugrunde, eine motorisch verstellbare Stützeinrichtung der im Oberbegriff des Anspruchs 1 genannten Art anzugeben, die den Nachteil der bekannten Stützeinrichtungen nicht aufweist, deren Bauhöhe also verringert ist.The invention has for its object to provide a motor-adjustable support means referred to in the preamble of claim 1, which does not have the disadvantage of the known support means, the overall height is reduced.

Diese Aufgabe wird durch die im Anspruch 1 angegebene Lehre gelöst.This object is achieved by the teaching defined in claim 1.

Die Erfindung löst sich von dem Gedanken, die Antriebseinheit unterhalb des Grundkörpers der Stützeinrichtung anzuordnen, wie dies bei den bekannten Stützeinrichtungen der Fall ist. Ihr liegt vielmehr der Gedanke zugrunde, die Antriebseinheit so anzuordnen, daß sie in Einbaulage in Vertikalrichtung zwischen der Welle und den Stützteilen angeordnet ist. Hierzu sieht die Erfindung vor, daß die Antriebseinheit von der Stützseite her auf die Welle aufgesetzt ist.The invention is based on the idea to arrange the drive unit below the main body of the support means, as is the case in the known support means. Rather, it is based on the idea to arrange the drive unit so that it is arranged in the installed position in the vertical direction between the shaft and the support members. For this purpose, the invention provides that the drive unit is mounted on the shaft from the support side.

Auf diese Weise ist die Antriebseinheit zwischen der Welle und den Stützteilen aufgenommen, so daß sie nicht oder nur unwesentlich über den Grundkörper der Stützeinrichtung hervorsteht. Somit ist die Bauhöhe der erfindungsgemäßen Stützeinrichtung wesentlich verringert und im wesentlichen noch durch die Bauhöhe des Grundkörpers der Stützeinrichtung bestimmt.In this way, the drive unit is received between the shaft and the support members, so that it does not or only slightly protrudes beyond the main body of the support means. Thus, the overall height of the support device according to the invention is substantially reduced and essentially determined by the height of the main body of the support means.

Aufgrund der geringen Bauhöhe der Stützeinrichtung ist ein in Einbaulage der Stützeinrichtung, beispielsweise an einem Bett, unterhalb der Stützeinrichtung gebildeter Raum nutzbar, beispielsweise zum Verstauen von Gegenständen, da dieser Raum nicht oder nur in unwesentlichem Maße von der Antriebseinheit eingenommen wird.Due to the low overall height of the support means in a mounting position of the support means, for example, on a bed, formed below the support means space, for example, for stowing objects, as this space occupied or not to an insignificant extent by the drive unit becomes.

Darüber hinaus ist die erfindungsgemäße Stützeinrichtung optisch ansprechend, da sie aufgrund ihrer geringen Bauhöhe im wesentlichen den Eindruck einer herkömmlichen, nicht motorisch verstellbaren Stützeinrichtung vermittelt.In addition, the support device according to the invention is visually appealing, since it gives the impression of a conventional non-motorized support means due to their low height substantially.

Ein weiterer Vorteil der erfindungsgemäßen Stützeinrichtung besteht darin, daß sie aufgrund ihrer geringen Bauhöhe beim Transport und bei der Lagerung weniger Raum einnimmt als die bekannten Stützeinrichtungen. Dies spart Kosten.Another advantage of the support device according to the invention is that it occupies less space than the known support means due to their low height during transport and storage. This saves costs.

Die erfindungsgemäße Stützeinrichtung ist einfach und kostengünstig herstellbar und einfach an dem Grundkörper der Stützeinrichtung montierbar.The support device according to the invention is simple and inexpensive to produce and easy to mount on the main body of the support means.

Eine Weiterbildung der erfindungsgemäßen Lehre sieht vor, daß die Welle an dem Grundkörper der Stützeinrichtung gelagert ist. Auf diese Weise ergibt sich ein stabiler und robuster Aufbau.A development of the teaching according to the invention provides that the shaft is mounted on the main body of the support means. This results in a stable and robust construction.

Eine andere Weiterbildung der erfindungsgemäßen Lehre sieht vor, daß mit der Welle drehfest ein Schwenkhebel verbunden ist, der zum Verschwenken desselben mit einem Antriebsmotor der Antriebseinheit in Antriebsverbindung steht. Auf diese Weise ist die Verstelleinrichtung der erfindungsgemäßen Stützeinrichtung besonders einfach im Aufbau und damit kostengünstig herstellbar. Außerdem sind bei dieser Ausführungsform mit der Verstelleinrichtung besonders hohe Kräfte aufbringbar, was insbesondere dann von Vorteil ist, wenn die Stützeinrichtung unter Last, beispielsweise unter dem Gewicht einer auf ihr ruhenden Person, verstellt werden soll.Another development of the teaching of the invention provides that a pivot lever is rotatably connected to the shaft, which is the same for pivoting with a drive motor of the drive unit in drive connection. In this way, the adjustment of the support device according to the invention is particularly simple in construction and thus inexpensive to produce. In addition, in this embodiment with the adjusting particularly high forces can be applied, which is particularly advantageous if the support means under load, for example, under the weight of a person resting on her person to be adjusted.

Die Antriebseinheit der erfindungsgemäßen Stützeinrichtung kann in beliebiger geeigneter Weise ausgebildet sein. Eine vorteilhafte Ausführungsform sieht vor, daß die Antriebseinheit ein linear bewegliches Antriebselement aufweist, mit dem der Schwenkhebel zum Verschwenken desselben in Wirkungsverbindung steht. Auf diese Weise ergibt sich ein einfacher und kostengünstiger sowie robuster Aufbau der Antriebseinheit.The drive unit of the support device according to the invention can be designed in any suitable manner. An advantageous embodiment sees in that the drive unit has a linearly movable drive element, with which the pivot lever for pivoting the same is in operative connection. In this way, results in a simple and inexpensive and robust construction of the drive unit.

Bei der Ausführungsform mit dem Schwenkhebel ist dieser zweckmäßigerweise ein abgewinkelter oder abgebogener Hebel, wie dies eine Weiterbildung vorsieht. Bei entsprechender Anlenkung des Hebels, beispielsweise an ein linear bewegliches Antriebselement, sind mit dieser Ausführungsform besonders hohe Kräfte aufbringbar.In the embodiment with the pivot lever this is expediently an angled or bent lever, as provided by a further development. With appropriate articulation of the lever, for example, to a linearly movable drive element, particularly high forces can be applied with this embodiment.

Bei der Ausführungsform mit dem linear beweglichen Antriebselement kann diese in beliebiger geeigneter Weise ausgebildet sein. Eine Weiterbildung sieht vor, daß das linear bewegliche Antriebselement eine verdrehsicher und in Axialrichtung beweglich auf einer drehantreibbaren Stellspindel gehaltene Spindelmutter ist. Derartige Spindeltriebe stehen als einfache und kostengünstige sowie robuste Standardbauteile zur Verfügung.In the embodiment with the linearly movable drive element, this can be designed in any suitable manner. A further development provides that the linearly movable drive element is a rotationally and axially movably held on a rotatably driven adjusting spindle spindle nut. Such spindle drives are available as simple and inexpensive as well as robust standard components.

In kinematischer Umkehrung der vorgenannten Ausführungsform kann das linear bewegliche Antriebselement jedoch auch eine in ihrer Axialrichtung bewegliche Stellspindel sein, auf der eine ortsfeste, drehantreibbare Spindelmutter angeordnet ist.In kinematic reversal of the aforementioned embodiment, however, the linearly movable drive element may also be a movable in its axial direction adjusting spindle, on which a stationary, rotatably driven spindle nut is arranged.

Grundsätzlich ist es ausreichend, daß die Stützeinrichtung eine einzige, mit einem zu verstellenden Stützteil in Wirkungsverbindung stehende Welle aufweist. Zweckmäßigerweise sind jedoch zwei drehbar gelagerte Wellen vorgesehen, wobei jeder Welle eine Ausnehmung in dem Gehäuse der Antriebseinheit zugeordnet ist. Durch Verwendung von zwei Wellen, von denen jede mit wenigstens einem zu verstellenden Stützteil in Wirkungsverbindung steht, ergeben sich vielfältige Verstellmöglichkeiten, beispielsweise eines Lattenrostes, der ein Oberkörperstützteil, ein Kopfstützteil, ein Beinstützteil und ein Wadenstützteil aufweist, die relativ zu einem mittleren Stützteil verstellbar sind.In principle, it is sufficient that the support means has a single, in operative connection with a support member to be adjusted shaft. Conveniently, however, two rotatably mounted shafts are provided, each shaft is associated with a recess in the housing of the drive unit. By using two shafts, each of which is in operative connection with at least one support member to be adjusted, there are a variety of adjustment options, such as a slatted frame, comprising an upper body support member, a head support member, a leg support member and a calf support member, which are adjustable relative to a central support member.

Eine andere vorteilhafte Weiterbildung der erfindungsgemäßen Lehre sieht Verriegelungsmittel zur Verriegelung der Antriebseinheit in Montageposition an der Stützeinrichtung vor. Auf diese Weise ist verhindert, daß sich die Antriebseinheit unter Last von der Welle löst.Another advantageous development of the teaching according to the invention provides locking means for locking the drive unit in the mounting position on the support device. In this way it is prevented that the drive unit releases from the shaft under load.

Zweckmäßigerweise weist der Grundkörper der erfindungsgemäßen Stützeinrichtung einen Rahmen auf, wie dies eine Weiterbildung vorsieht.Conveniently, the main body of the support device according to the invention has a frame, as provided by a further development.

Eine andere Weiterbildung der erfindungsgemäßen Lehre sieht vor, daß die Stützeinrichtung als Lattenrost ausgebildet ist.Another development of the teaching according to the invention provides that the support device is designed as a slatted frame.

Eine außerordentlich vorteilhafte Weiterbildung der erfindungsgemäßen Lehre sieht vor, daß die Antriebseinheit an einem ersten Teil des Möbels angeordnet ist, daß die Antriebseinheit eine Aufwickelvorrichtung für ein band-, seil- oder kettenförmiges Zugmittel aufweist, das nach Art eines Flaschenzuges über wenigstens eine an dem Gehäuse oder einem anderen, beim Verstellen des Stützteiles relativ zu dem ersten Teil ortsfesten Teil angeordnete Umlenkrolle und wenigstens eine an dem zu verstellenden Stützteil oder einem mit diesem Teil zum Verstellen desselben in Wirkungsverbindung stehenden Zwischenteil angeordnete Umlenkrolle geführt ist, wobei das Zugmittel mit dem zugeordneten, zu verstellenden Stützteil derart in Wirkungsverbindung steht, daß beim Aufwickeln des Zugmittels eine Verstellung des Stützteiles erfolgt. Bei dieser Ausführungsform arbeitet der erfindungsgemäße Möbelantrieb der erfindungsgemäßen Stützeinrichtung nach Art eines Flaschenzuges. Aufgrunddessen können auch bei Verwendung kleiner und damit kostengünstiger Antriebsmotoren, beispielsweise Elektromotoren, von der Antriebseinheit des Möbelantriebes hohe Kräfte aufgebracht werden. Durch die Verwendung kleiner und damit kostengünstiger Antriebsmotoren ist der erfindungsgemäße Möbelantrieb insgesamt einfach und damit kostengünstig gestaltet. Außerdem ist er kompakt im Aufbau.An extremely advantageous development of the teaching of the invention provides that the drive unit is arranged on a first part of the furniture, that the drive unit has a take-up device for a band, rope or chain-shaped traction means, the manner of a pulley over at least one of the housing or another, arranged at adjusting the support member relative to the first part fixed part guide pulley and at least one arranged on the support member to be adjusted or with this part for adjusting the same in operative connection intermediate part deflecting roller, wherein the traction means with the associated, to adjusting support member is operatively connected in such a way that upon winding of the traction means is carried out an adjustment of the support member. In this embodiment, the furniture drive according to the invention of the support device according to the invention works in the manner of a pulley. Due to this, too, can be used small and therefore cost-effective drive motors, such as electric motors, high forces are applied by the drive unit of the furniture drive. By using small and therefore cost-effective drive motors, the furniture drive according to the invention is designed as a whole simple and therefore cost. In addition, it is compact in construction.

Grundsätzlich ist es ausreichend, wenn das Zugmittel nach Art eines 2-strängigen Flaschenzuges über die Umlenkrollen geführt ist. Eine außerordentlich vorteilhafte Weiterbildung der erfindungsgemäßen Lehre sieht jedoch vor, daß das Zugmittel nach Art eines mindestens 4-strängigen Flaschenzuges abwechselnd über an dem Gehäuse oder einem anderen beim Verstellen des Stützteiles relativ zu dem ersten Teil ortsfesten Teil angeordnete Umlenkrollen und über an dem zugeordneten Stützteil oder einem mit diesem Teil zum Verstellen desselben in Wirkungsverbindung stehenden Zwischenteil angeordnete Umlenkrollen geführt ist. Bei dieser Ausführungsform ist eine höhere Untersetzung erreicht als bei einem lediglich 2-strängigen Flaschenzug, so daß sich in Abhängigkeit von der Anzahl der Stränge des Flaschenzuges besonders hohe Kräfte aufbringen lassen. Der Antriebsmotor der Antriebseinheit kann damit noch kleiner und kostengünstiger sowie kompakter ausgebildet sein.In principle, it is sufficient if the traction means is guided over the pulleys in the manner of a 2-strand pulley. An extremely advantageous development of the teaching according to the invention, however, provides that the traction means in the manner of at least 4-stranded pulley alternately arranged on the housing or another when adjusting the support member relative to the first part stationary part arranged pulleys and on the associated support member or a arranged with this part for adjusting the same in operative connection intermediate part arranged deflection rollers is guided. In this embodiment, a higher reduction is achieved than in a 2-strand pulley, so that can be applied in response to the number of strands of the pulley particularly high forces. The drive motor of the drive unit can thus be made even smaller and cheaper and more compact.

Weiterbildungen der erfindungsgemäßen Lehre sehen vor, daß die einer Antriebseinheit zugeordneten, an dem Gehäuse oder einem anderen beim Verstellen des Stützteiles ortsfesten Teil angeordneten Umlenkrollen koaxiale Drehachsen aufweisen oder auf einer gemeinsamen Drehachse angeordnet sind und/oder daß die dem Stützteil zugeordneten, an diesem oder einem Zwischenteil angeordneten Umlenkrollen koaxiale Drehachsen aufweisen oder auf einer gemeinsamen Drehachse angeordnet sind. Bei diesen Ausführungsformen bilden die einem Teil des Möbels zugeordneten Umlenkrollen jeweils einen kompakten, platzsparenden Rollenblock.Further developments of the teaching of the invention provide that the drive unit associated with, on the housing or another when adjusting the support member stationary part arranged deflection rollers have coaxial axes of rotation or are arranged on a common axis of rotation and / or that the support member associated with this or a Intermediate part disposed pulleys have coaxial axes of rotation or are arranged on a common axis of rotation. In these embodiments, the part of the furniture associated pulleys each form a compact, space-saving roller block.

Andere Weiterbildungen der erfindungsgemäßen Lehre sehen vor, daß die einer Antriebseinheit zugeordneten, an dem Gehäuse oder einem anderen beim Verstellen des Stützteiles ortsfesten Teil angeordneten Umlenkrollen zueinander parallele Drehachsen aufweisen und/oder daß die dem Stützteil zugeordneten, an diesem oder einem Zwischenteil angeordneten Umlenkrollen zueinander parallele Drehachsen aufweisen. Bei diesen Ausführungsformen ergibt sich ein in Axialrichtung der Umlenkrollen besonders kompakter Aufbau.Other developments of the teaching of the invention provide that the drive unit associated with, on the housing or another when adjusting the support member stationary part disposed pulleys parallel axes of rotation and / or that the support member associated, arranged on this or an intermediate pulleys parallel to each other Have axes of rotation. In these embodiments, a particularly compact design results in the axial direction of the pulleys.

Entsprechend den jeweiligen Anforderungen kann das der Aufwickelvorrichtung abgewandte Ende des Zugmittels an dem zu verstellenden Stützteil oder an dem mit dem Stützteil zum Verstellen desselben in Wirkungsverbindung stehenden Zwischenteil oder an dem Gehäuse oder dem ersten Teil festgelegt sein.According to the respective requirements, the end of the traction means facing away from the take-up device can be fixed to the support part to be adjusted or to the intermediate part in operative connection with the support part for adjusting or to the housing or the first part.

Grundsätzlich können mit dem erfindungsgemäßen Möbelantrieb beliebige Verstellbewegungen von Teilen eines Möbels ausgeführt werden. Zweckmäßigerweise ist die Antriebseinheit bzw. sind die Antriebseinheiten jedoch als Schwenkantrieb bzw. Schwenkantriebe zum Verschwenken des Stützteiles bzw. der Stützteile relativ zu dem ersten Teil ausgebildet, wie dies eine Ausführungsform vorsieht. Diese Ausführungsform ist besonders einfach und damit kostengünstig im Aufbau, da sich ein Schwenkantrieb nach dem Flaschenzugprinzip mit geringem konstruktiven Aufwand realisieren läßt.In principle, any adjustment movements of parts of a piece of furniture can be carried out with the furniture drive according to the invention. Conveniently, however, the drive unit or the drive units are designed as a pivot drive or pivot drives for pivoting the support member or the support members relative to the first part, as one embodiment provides. This embodiment is particularly simple and therefore inexpensive in construction, as can be realized with little design effort, a pivot drive according to the pulley principle.

Eine andere Weiterbildung der erfindungsgemäßen Lehre sieht vor, daß das Zwischenteil ein Schwenkhebel ist, der wenigstens eine Umlenkrolle trägt. Diese Ausführungsform ist einfach im Aufbau und damit kostengünstig herstellbar. Der Schwenkhebel kann hierbei in beliebiger geeigneter Weise mit dem Stützteil zum Verstellen desselben in Wirkungsverbindung stehen.Another development of the teaching according to the invention provides that the intermediate part is a pivot lever which carries at least one deflection roller. This embodiment is simple in construction and therefore inexpensive to produce. The pivot lever can in this case in any suitable manner with the support member for adjusting the same in operative connection.

Eine außerordentlich vorteilhafte Weiterbildung der vorgenannten Ausführungsform sieht vor, daß der Schwenkhebel drehfest mit einer drehbar gelagerten Welle verbunden ist, mit der das Stützteil zum Verschwenken desselben in Wirkungsverbindung steht. Diese Ausführungsform ist einfach im Aufbau und besonders robust, so daß sich mit dem Möbelantrieb gemäß dieser Ausführungsform besonders hohe Kräfte aufbringen lassen.An extraordinarily advantageous development of the aforementioned embodiment provides that the pivot lever is rotatably connected to a rotatably mounted shaft with which the support member for pivoting thereof is in operative connection. This embodiment is simple in construction and particularly robust, so that can be applied particularly high forces with the furniture drive according to this embodiment.

Eine Weiterbildung der vorgenannten Ausführungsform sieht vor, daß der Schwenkhebel zur Bildung einer drehfesten Verbindung formschlüssig mit der Welle verbunden ist. Diese Ausführungsform ist besonders robust und zur Übertragung besonders hoher Kräfte geeignet.A development of the aforementioned embodiment provides that the pivot lever is positively connected to form a rotationally fixed connection with the shaft. This embodiment is particularly robust and suitable for transmitting particularly high forces.

Eine andere Weiterbildung der Ausführungsform mit dem Schwenkhebel und der Welle sieht vor, daß die Welle einen unrunden Querschnitt aufweist und formschlüssig in eine Ausnehmung des Schwenkhebels eingreift, die zum Querschnitt der Welle im wesentlichen komplementär geformt ist. Diese Ausführungsform ist besonders einfach im Aufbau.Another embodiment of the embodiment with the pivot lever and the shaft provides that the shaft has a non-circular cross-section and positively engages in a recess of the pivot lever, which is formed to the cross section of the shaft substantially complementary. This embodiment is particularly simple in construction.

Gemäß einer anderen Weiterbildung ist die Ausnehmung des Schwenkhebels in Radialrichtung der Welle offen ausgebildet, wobei Verriegelungsmittel zum Verriegeln der Welle in der Ausnehmung vorgesehen sind. Dies erleichtert das Einsetzen der Welle in die Ausnehmung.According to another embodiment, the recess of the pivot lever in the radial direction of the shaft is open, wherein locking means are provided for locking the shaft in the recess. This facilitates the insertion of the shaft in the recess.

Eine andere Weiterbildung der Ausführungsform mit dem Schwenkhebel sieht vor, daß dieser als zweiarmiger Hebel ausgebildet ist, wobei jeder Hebelarm wenigstens eine Umlenkrolle trägt. Auch mit dieser Ausführungsform läßt sich ein besonders kompakter Aufbau erreichen.Another embodiment of the embodiment with the pivot lever provides that this is designed as a two-armed lever, each lever arm at least carries a pulley. Even with this embodiment, a particularly compact structure can be achieved.

Die Aufwickelvorrichtung kann in beliebiger geeigneter Weise ausgebildet sein. Eine zweckmäßige Weiterbildung sieht vor, daß die Aufwickelvorrichtung ein drehbar gelagertes Wickelelement aufweist, an dem das der Aufwickelvorrichtung zugewandte Ende des Zugmittels festgelegt ist und das mit einem Motor, vorzugsweise einem Elektromotor, in Drehantriebsverbindung steht. Der Motor, der den Drehantrieb für das Wickelelement bildet, kann aufgrund der erfindungsgemäßen Anwendung des Prinzips eines Flaschenzuges klein und damit kostengünstig ausgebildet sein.The winding device can be designed in any suitable manner. An expedient development provides that the take-up device has a rotatably mounted winding element on which the take-up device facing the end of the traction means is fixed and which is in rotary drive connection with a motor, preferably an electric motor. The motor, which forms the rotary drive for the winding element, can be made small and therefore inexpensive due to the inventive application of the principle of a pulley.

Ein mit einer erfindungsgemäßen Stützeinrichtung versehenes Sitz- und/oder Liegemöbel ist im Anspruch 29 angegeben.A provided with a support device according to the invention seat and / or reclining furniture is specified in claim 29.

Die Erfindung wird nachfolgend anhand der beigefügten Zeichnung näher erläutert, in der ein Ausführungsbeispiel einer erfindungsgemäßen Stützeinrichtung in Form eines Lattenrostes dargestellt ist.The invention will be explained in more detail with reference to the accompanying drawing, in which an embodiment of a support device according to the invention is shown in the form of a slatted frame.

Es zeigt:

Fig. 1
in stark schematischer Seitenansicht ein Ausführungsbeispiel einer erfindungsgemäßen Stützeinrichtung,
Fig. 2
in ähnlicher, gegenüber Fig. 1 vergrößerter Darstellung die Stützeinrichtung gemäß Fig. 1, zur Verdeutlichung der Anordnung der Antriebseinheit an dem Grundkörper der Stützeinrichtung teilweise in Phantomdarstellung,
Fig. 3
in schematischer Seitenansicht ein Ausführungsbeispiel eines erfindungsgemäßen Möbelantriebs, wobei aus Gründen der Darstellung eine Hälfte des Gehäuses weggelassen ist und
Fig. 4
in gleicher Darstellung wie Fig. 2 die Stützeinrichtung gemäß Fig. 1 mit dem Möbelantrieb gemäß Fig. 3.
It shows:
Fig. 1
in a highly schematic side view of an embodiment of a support device according to the invention,
Fig. 2
in a similar, opposite Fig. 1 enlarged representation of the support device according to Fig. 1 to illustrate the arrangement of the drive unit on the main body of the support partially in phantom,
Fig. 3
in a schematic side view of an embodiment of a furniture drive according to the invention, wherein for reasons of Representation one half of the housing is omitted and
Fig. 4
in the same representation as Fig. 2 the support device according to Fig. 1 with the furniture drive according to Fig. 3 ,

In den Figuren der Zeichnung sind gleiche bzw. sich entsprechende Bauteile mit den gleichen Bezugszeichen versehen.In the figures of the drawing, the same or corresponding components are provided with the same reference numerals.

In Fig. 1 ist ein Ausführungsbeispiel einer erfindungsgemäßen Stützeinrichtung 2 dargestellt, die bei diesem Ausführungsbeispiel als Lattenrost ausgebildet ist und einen Grundkörper 4 aufweist. Der Grundkörper 4 weist einen Rahmen 6 mit zueinander parallelen Längsholmen auf, von denen in der Zeichnung lediglich ein Längsholm 8 erkennbar ist, wobei die Längsholme 8 über in der Zeichnung nicht erkennbare Querholme miteinander verbunden sind.In Fig. 1 an embodiment of a support device 2 according to the invention is shown, which is formed in this embodiment as a slatted frame and having a base body 4. The base body 4 has a frame 6 with mutually parallel longitudinal beams, of which in the drawing, only a longitudinal spar 8 can be seen, the longitudinal beams 8 are connected to each other via not recognizable in the drawing crossbars.

Der Grundkörper 4 weist ferner mehrere relativ zueinander verstellbare Stützteile auf, von denen ein mittleres Stützteil 10 mit dem Rahmen 6 verbunden und relativ zu diesem nicht verstellbar ist. Mit einer Seite des mittleren Stützteils 10 ist gelenkig und um eine horizontale Schwenkachse verschwenkbar ein Oberkörperstützteil 12 verbunden, mit dessen dem mittleren Stützteil 10 abgewandter Seite gelenkig und um eine horizontale Schwenkachse verschwenkbar ein Kopfstützteil 14 verbunden ist. Mit der dem Oberkörperstützteil 12 abgewandten Seite des mittleren Stützteils 10 ist gelenkig und um eine horizontale Schwenkachse verschwenkbar ein Beinstützteil 16 verbunden, mit dessen dem mittleren Stützteil 10 abgewandter Seite gelenkig und um eine horizontale Schwenkachse verschwenkbar ein Wadenstützteil 18 verbunden ist. Die Stützeinrichtung 2 dient zum Abstützen einer in der Zeichnung nicht dargestellten Polsterung eines Sitz- und/oder Liegemöbels, beispielsweise einer Matratze eines Bettes.The base body 4 also has a plurality of relatively adjustable support members, of which a central support member 10 is connected to the frame 6 and is not adjustable relative thereto. With one side of the central support member 10 is pivotally and pivotally connected about a horizontal pivot axis, an upper body support member 12, with the central support member 10 side facing away pivotally about a horizontal pivot axis and a head support member 14 is connected. With the side facing away from the upper body support member 12 of the central support member 10 is pivotally connected and pivotable about a horizontal pivot axis, a leg support member 16, with the central support member 10 side facing pivotally and pivotally about a horizontal pivot axis, a calf support member 18 is connected. The support device 2 is used for Supporting a padding, not shown in the drawing, of a sitting and / or lying furniture, for example a mattress of a bed.

Die erfindungsgemäße Stützeinrichtung 2 weist zum Verstellen der Stützteile 12, 14, 16, 18 relativ zu dem mittleren Stützteil 10 und dem Rahmen 6 eine lösbar mit dem Grundkörper 4 verbundene Antriebseinheit 32 auf, die zum Verschwenken von um Drehachsen 20, 22 drehbar an dem Rahmen 6 gelagerten Wellen 24, 26 dient.The support device 2 according to the invention has for adjusting the support members 12, 14, 16, 18 relative to the central support member 10 and the frame 6 a detachably connected to the base body 4 drive unit 32 which is pivotable about pivot axes 20, 22 rotatable on the frame 6 mounted shafts 24, 26 is used.

Die Welle 24 dient zum Verschwenken des Wadenstützteiles 18 und des Beinstützteiles 16 relativ zu dem mittleren Stützteil 10 und ist mit dem Wadenstützteil 18 über eine Hebelanordnung 28 verbunden, während die Welle 26 zum Verstellen des Oberkörperstützteiles 12 und des Kopfstützteiles 14 relativ zu dem mittleren Stützteil 10 dient und mit dem Kopfstützteil 14 über einen Hebel 30 verbunden ist.The shaft 24 serves to pivot the calf support member 18 and the leg support member 16 relative to the central support member 10 and is connected to the calf support member 18 via a lever assembly 28, while the shaft 26 for adjusting the upper body support member 12 and the head support member 14 relative to the central support member 10th serves and is connected to the headrest part 14 via a lever 30.

Fig. 2 zeigt eine bei diesem Ausführungsbeispiel als Doppelantrieb ausgebildete, an dem Grundkörper 4 montierte Antriebseinheit 32, die zwei Antriebe 34, 34' aufweist, die in einem gemeinsamen Gehäuse 36 aufgenommen sind. Fig. 2 shows a trained in this embodiment as a double drive, mounted on the base body 4 drive unit 32, the two drives 34, 34 ', which are accommodated in a common housing 36.

Der Antrieb 34 weist einen Elektromotor 38 auf, der über ein Getriebe 40 mit einer drehantreibbaren Stellspindel 42 in Antriebsverbindung steht, auf der verdrehsicher und in Axialrichtung beweglich eine Spindelmutter 44 angeordnet ist, die ein linear bewegliches Antriebselement des Antriebes 34 bildet. Die Spindelmutter 44 ist als Betätigungselement für einen bei diesem Ausführungsbeispiel als Winkelhebel ausgebildeten Schwenkhebel 46 ausgebildet, der drehfest mit der Welle 24 verbunden ist.The drive 34 has an electric motor 38, which is in drive connection via a gear 40 with a rotatably driven adjusting spindle 42, on which a spindle nut 44, which forms a linearly movable drive element of the drive 34, is disposed against rotation and being movable in the axial direction. The spindle nut 44 is designed as an actuating element for a pivot lever 46 formed in this embodiment as an angle lever, which is non-rotatably connected to the shaft 24.

Zum Verstellen des Wadenstützteiles 18 und des Beinstützteiles 16 relativ zu dem mittleren Stützteil 10 aus einer Ausgangslage in die in Fig. 1 dargestellte Verstellage treibt der Elektromotor die Stellspindel 42 derart an, daß sich die Spindelmutter 44 in Fig. 2 nach rechts bewegt. Hierbei verschwenkt der Schwenkhebel 46 in Fig. 2 im Uhrzeigersinn, so daß sich die Welle 24 in Fig. 2 im Uhrzeigersinn dreht und hierbei einen drehfest mit der Welle 24 verbundenen Hebel 48 der Hebelanordnung 28 in Fig. 2 im Uhrzeigersinn schwenkt. Hierbei werden das Beinstützteil 16 und das Wadenstützteil 18 relativ zu dem mittleren Stützteil 10 verstellt, bis die in Fig. 1 dargestellte Endlage der Verstellbewegung erreicht ist.For adjusting the calf support member 18 and the leg support member 16 relative to the central support member 10 from a starting position in the in Fig. 1 illustrated adjustment drives the electric motor, the adjusting spindle 42 such that the spindle nut 44 in Fig. 2 moved to the right. Here, the pivot lever 46 pivots in Fig. 2 in a clockwise direction, so that the shaft 24 in Fig. 2 rotates clockwise and in this case a non-rotatably connected to the shaft 24 lever 48 of the lever assembly 28 in Fig. 2 pivots clockwise. Here, the leg support member 16 and the calf support member 18 are adjusted relative to the central support member 10 until the in Fig. 1 shown end position of the adjustment is reached.

Der Antrieb 34' ist in zu dem Antrieb 34 entsprechender Weise aufgebaut und wird daher hier nicht näher erläutert; seine Bauteile sind mit Bezugszeichen versehen, die den Bezugszeichen der Bauteile des Antriebs 34 entsprechen.The drive 34 'is constructed in a manner corresponding to the drive 34 and is therefore not explained in detail here; its components are provided with reference numerals which correspond to the reference numerals of the components of the drive 34.

Erfindungsgemäß ist die Antriebseinheit 32 von der Stützseite her auf die Wellen 24, 26 aufgesetzt, also von der Seite des Grundkörpers her, an der die Stützteile 10-18 angeordnet sind. Zum Aufsetzen der Antriebseinheit 32 auf die Wellen 24, 26 weist das Gehäuse 36 Ausnehmungen 50, 52 auf, in die in der in Fig. 2 dargestellten Montageposition der Antriebseinheit 32 die Wellen 24, 26 eingreifen, so daß die mit den Wellen 24, 26 verbundenen Schwenkhebel 46, 46' mit den Spindelmuttern 44, 44' der Antriebseinheit 32 in Eingriff gelangen, wie dies aus Fig. 2 ersichtlich ist.According to the invention, the drive unit 32 is placed on the shafts 24, 26 from the support side, that is to say from the side of the base body on which the support parts 10-18 are arranged. For placing the drive unit 32 on the shafts 24, 26, the housing 36 recesses 50, 52, in which in the in Fig. 2 illustrated assembly position of the drive unit 32, the shafts 24, 26 engage, so that the connected to the shafts 24, 26 pivot lever 46, 46 'with the spindle nuts 44, 44' of the drive unit 32 engage, as is apparent from Fig. 2 is apparent.

Dadurch, daß die Antriebseinheit 32 von der Stützseite her auf die Wellen 24, 26 aufgesetzt ist, ist das Gehäuse 36 der Antriebseinheit 32 in Richtung senkrecht zu einer durch die Oberseite des mittleren Stützteiles 10 definierten Stützebene, in Fig. 2 also in Vertikalrichtung zwischen den Stützteilen 10-18 und den Wellen 24, 26 aufgenommen. Aufgrunddessen weist die erfindungsgemäße Stützeinrichtung 2 gegenüber den bekannten Stützeinrichtungen eine wesentlich verringerte Bauhöhe auf, die im wesentlichen durch die Bauhöhe des Rahmens 6 bestimmt ist. Der Grundkörper 4 weist zusammen mit der Antriebseinheit 32 eine Bauhöhe auf, die nur unwesentlich größer ist als die Bauhöhe des Grundkörpers 4 allein.Characterized in that the drive unit 32 is mounted on the shafts 24, 26 from the support side, the housing 36 of the drive unit 32 in the direction perpendicular to a support plane defined by the top of the central support member 10, in Fig. 2 So in the vertical direction between the support parts 10-18 and the waves 24, 26 added. Because of this, the support device 2 according to the invention has a substantially reduced overall height compared with the known support devices, which is essentially determined by the overall height of the frame 6. The main body 4, together with the drive unit 32 to a height that is only slightly larger than the height of the base body 4 alone.

Die Montage der Antriebseinheit 32 an dem Grundkörper 4 kann beispielsweise erfolgen, bevor das mittlere Stützteil 10 an dem Rahmen 6 montiert wird bzw. bevor die Latten des Lattenrostes, von denen in Fig. 2 lediglich ein Lattenpaar mit dem Bezugszeichen 54 versehen ist, mit dem mittleren Stützteil 10 verbunden werden. Es ist jedoch auch möglich, die Antriebseinheit an dem Grundkörper 4 zu montieren, nachdem das mittlere Stützteil 10 an dem Rahmen 6 und die Latten 54 an dem mittleren Stützteil 10 montiert worden sind. Hierzu wird die Antriebseinheit 32 zunächst in Richtung eines Pfeiles 54 schräg von unten zwischen dem mittleren Stützeil 10 und der Welle 24 hindurchgeschoben, daran anschließend in Fig. 2 entgegen dem Uhrzeigersinn verschwenkt, mit der Ausnehmung 52 auf die Welle 26 aufgesetzt und schließlich so verschwenkt, daß die Welle 24 in die Ausnehmung 50 eingreift. Zur Verriegelung der Antriebseinheit 32 an der Stützeinrichtung 2 in der in Fig. 2 dargestellten Montageposition sind Verriegelungsmittel in Form von Schiebern 51, 53 vorgesehen.The assembly of the drive unit 32 on the base body 4 can be done, for example, before the central support member 10 is mounted on the frame 6 and before the slats of the slatted base, of which in Fig. 2 only one pair of slats is provided with the reference numeral 54, are connected to the central support member 10. However, it is also possible to mount the drive unit on the base body 4 after the central support part 10 has been mounted on the frame 6 and the slats 54 on the central support part 10. For this purpose, the drive unit 32 is first pushed in the direction of an arrow 54 obliquely from below between the middle support member 10 and the shaft 24, then in Fig. 2 pivoted counterclockwise, with the recess 52 mounted on the shaft 26 and finally pivoted so that the shaft 24 engages in the recess 50. To lock the drive unit 32 to the support device 2 in the in Fig. 2 shown mounting position locking means in the form of sliders 51, 53 are provided.

In Fig. 3 ist ein Ausführungsbeispiel eines erfindungsgemäßen Möbelantriebs dargestellt, der als Doppelantrieb ausgebildet ist und zwei Antriebe 34, 34' aufweist. Nachfolgend wird lediglich der Antrieb 34 näher erläutert; der Antrieb 34' ist entsprechend aufgebaut, und seine Bauteile sind mit Bezugszeichen versehen, die den Bezugszeichen der Bauteile des Antriebs 34 entsprechen.In Fig. 3 an embodiment of a furniture drive according to the invention is shown, which is designed as a double drive and two drives 34, 34 'has. In the following, only the drive 34 will be explained in more detail; the drive 34 'is constructed accordingly, and its components are provided with reference numerals which correspond to the reference numerals of the components of the drive 34.

Der Antrieb 34 weist eine Aufwickelvorrichtung 54 für ein flexibles Zugmittel in Form eines dünnen Seiles 56 auf, die einen kompakten Elektromotor 58 aufweist, dessen Abtriebswelle eine Schnecke 60 drehantreibt, die mit einem Schneckenrad 62 in Eingriff steht.The drive 34 has a winding device 54 for a flexible pulling means in the form of a thin cable 56, which has a compact electric motor 58, the output shaft rotatably drives a worm 60, which is in engagement with a worm wheel 62.

Mit dem Schneckenrad 62 ist drehfest ein drehbar gelagertes Wickelelement 64 verbunden, das zum Aufwikkeln des Seiles 56 dient, dessen der Aufwickelvorrichtung 54 zugewandtes Ende an dem Wickelelement 64 festgelegt ist.A rotatably mounted winding element 64 is rotatably connected to the worm wheel 62, which serves to Aufwikkeln the cable 56, the winding device 54 facing end is fixed to the winding element 64.

Der Antrieb 34 weist ferner einen Schwenkhebel 66 auf, der um eine in Fig. 3 in die Zeichenebene hinein verlaufende Drechachse 68 drehbar gelagert ist und bei diesem Ausführungsbeispiel als zweiarmiger Hebel ausgebildet ist, dessen Arme 70, 72 Umlenkrollen für das Seil 56 tragen, von denen in Fig. 3 lediglich eine Umlenkrolle mit dem Bezugszeichen 74 versehen ist.The drive 34 further includes a pivot lever 66 which is about a in Fig. 3 in the plane extending into the axis of rotation 68 is rotatably mounted and is formed in this embodiment as a two-armed lever whose arms 70, 72 carry pulleys for the cable 56, of which in Fig. 3 only a pulley is provided with the reference numeral 74.

Das Seil 56 ist nach Art eines mehrsträngigen Flaschenzuges abwechselnd über die Umlenkrollen 74 des Schwenkhebels 66 und über an der Innenwandung des Gehäuses 36 gelagerte Umlenkrollen geführt, von denen in Fig. 3 lediglich eine Umlenkrolle mit dem Bezugszeichen 76 versehen ist. Das der Aufwickelvorrichtung 54 abgewandte Ende 78 des Seiles 56 ist an der Innenwandung des Gehäuses 36 festgelegt.The rope 56 is guided in the manner of a multi-strand pulley alternately on the pulleys 74 of the pivot lever 66 and mounted on the inner wall of the housing 36 pulleys, of which Fig. 3 only a pulley is provided with the reference numeral 76. The take-up device 54 facing away from the end 78 of the cable 56 is fixed to the inner wall of the housing 36.

Der Schwenkhebel 66 ist in Montageposition des Möbelantriebs drehfest mit einer in Fig. 3 nicht dargestellten Welle verbindbar, die mit dem zu verstellenden Stützteil in Wirkungsverbindung steht. Bei dem Ausführungsbeispiel gemäß Fig. 3 ist die drehfeste Verbindung zwischen dem Schwenkhebel 66 und der in Fig. 3 nicht dargestellten Welle eine formschlüssige Verbindung. Zu diesem Zweck weist der Schwenkhebel 66 eine Ausnehmung 80 mit unrundem Querschnitt auf, wobei der Querschnitt der Welle zum Querschnitt der Ausnehmung 80 im wesentlichen komplementär ausgebildet ist und die Welle in Montageposition formschlüssig in die Ausnehmung 80 eingreift.The pivot lever 66 is rotatably in the mounting position of the furniture drive with a in Fig. 3 not shown shaft connected, which is in operative connection with the support member to be adjusted. In the embodiment according to Fig. 3 is the rotationally fixed connection between the pivot lever 66 and the in Fig. 3 not shown shaft a positive connection. For this purpose, the pivot lever 66 has a recess 80 with a non-circular cross-section, wherein the cross-section of the shaft to the cross section of the recess 80 is formed substantially complementary and the shaft engages positively in the mounting position in the recess 80.

Fig. 4 zeigt den Möbelantrieb gemäß Fig. 3 in Montageposition, in der die Antriebseinheit 32 von der Stützseite her auf die Wellen 24, 26 aufgesetzt ist. Wie aus Fig. 4 ersichtlich, ist der Querschnitt der Wellen 24, 26 zu dem Querschnitt der Ausnehmungen 80, 80' der Schwenkhebel 66, 66' der Antriebseinheit 32 im wesentlichen komplementär ausgebildet, so daß in montageposition der Antriebseinheit 32 die Welle 24 drehfest mit dem Schwenkhebel 66 und die Welle 26 drehfest mit dem Schwenkhebel 66' verbunden ist. Fig. 4 shows the furniture drive according to Fig. 3 in the mounting position, in which the drive unit 32 is mounted on the shafts 24, 26 from the support side. How out Fig. 4 can be seen, the cross section of the shafts 24, 26 to the cross section of the recesses 80, 80 'of the pivot lever 66, 66' of the drive unit 32 is formed substantially complementary, so that in the mounted position of the drive unit 32, the shaft 24 rotatably with the pivot lever 66 and the Shaft 26 rotatably connected to the pivot lever 66 'is connected.

Um die Wellen 24, 26 in den in Radialrichtung offenen Ausnehmungen 80, 80' zu halten, sind in der Zeichnung nicht dargestellte Verriegelungsmittel vorgesehen.In order to keep the shafts 24, 26 in the radially open recesses 80, 80 ', not shown in the drawing locking means are provided.

Die Funktionsweise des erfindungsgemäßen Möbelantriebs ist wie folgt:The operation of the furniture drive according to the invention is as follows:

Zur Verstellung des Wadenstützteiles 18 und des Beinstützteiles 16 relativ zu dem mittleren Stützteil 10 treibt der Elektromotor 58 die Aufwickelvorrichtung 54 derart an, daß sich das Wickelelement 64 in Fig. 4 entgegen dem Uhrzeigersinn dreht, so daß das Seil 56 aufgewickelt wird. Aufgrund dessen verschwenkt die Welle 24 in Fig. 4 im Uhrzeigersinn, so daß das Beinstützteil mittels der Hebelanordnung 28, deren Hebel 48 drehfest mit der Welle 24 verbunden ist, in die in Fig. 4 dargestellte Verstellage verschwenkt wird.To adjust the calf support member 18 and the leg support member 16 relative to the central support member 10, the electric motor 58 drives the take-up device 54 such that the winding element 64 in Fig. 4 rotates counterclockwise, so that the cable 56 is wound up. Due to this, the shaft 24 pivots in Fig. 4 in the clockwise direction, so that the leg support member by means of the lever assembly 28, the lever 48 is rotatably connected to the shaft 24, in the in Fig. 4 shown adjusting position is pivoted.

In entsprechender Weise sind das Oberkörperstützteil 12 und das Nackenstützteil 14 mittels des Antriebes 34' verstellbar. Die Rückstellung der Stützteile in die Ausgangslage, in der die Stützteile 10-18 eine gemeinsame horizontale Stützebene aufspannen, erfolgt unter der Gewichtskraft der Stützteile, jedoch bei eingeschaltetem Antrieb.Similarly, the upper body support member 12 and the neck support member 14 by means of the drive 34 'adjustable. The provision of the support members in the starting position, in which the support parts 10-18 span a common horizontal support plane, under the weight of the support members, but with the drive.

Aufgrund der Anwendung des Prinzips eines Flaschenzuges lassen sich mit dem erfindungsgemäßen Möbelantrieb hohe Kräfte aufbringen, so daß der Motor 58 klein und kompakt ausgebildet sein kann. Der erfindungsgemäße Möbelantrieb kann sowohl bei erfindungsgemäßen Stützeinrichtungen verwendet werden, bei denen er von der Stützseite her auf die Wellen 24, 26 aufgesetzt wird, als auch bei solchen Stützeinrichtungen, bei denen er von der der Stützseite abgewandten Seite auf die Wellen 24, 26 aufgesetzt wird oder in Axialrichtung der Wellen 24, 26 auf diese aufgeschoben wird. Der erfindungsgemäße Möbelantrieb ist somit unabhängig von der Art und Weise der Montage mit beliebigen Stützeinrichtungen verwendbar. Er kann als Doppelantrieb mit zwei in einem gemeinsamen Gehäuse aufgenommenen Antrieben ausgebildet sein, wie dies bei dem Ausführungsbeispiel gemäß Fig. 3 der Fall ist. Er kann jedoch auch als Einzelantrieb mit einem einzigen Antrieb ausgebildet sein oder eine beliebige Anzahl von Antrieben aufweisen. Due to the application of the principle of a pulley can be applied high forces with the furniture drive according to the invention, so that the motor 58 can be made small and compact. The furniture drive according to the invention can be used both in supporting devices according to the invention, in which it is placed on the shafts 24, 26 from the support side, as well as in such support means in which it is placed on the shafts 24, 26 from the side remote from the support side or in the axial direction of the shafts 24, 26 is pushed onto this. The furniture drive according to the invention is thus usable regardless of the manner of mounting with any support means. It can be designed as a double drive with two recorded in a common housing drives, as in the embodiment according to Fig. 3 the case is. However, it can also be designed as a single drive with a single drive or have any number of drives.

Claims (29)

  1. Motor adjustable support device for an upholstery of a piece of furniture for sitting and/or lying upon, e.g. a mattress for a bed, including
    a base body (4) including at least two support components (10-18) being adjustable relative to each other,
    at least one drive unit (32) detachably connected to the base body (4) and including a housing (36) with at least one recess (50, 52), which, in the mounting position of the drive unit (32) is engaged by a rotatable shaft (24, 26), which is operatively connected to one adjustable support component (10-18) and is adapted to rotate for adjusting the support component by means of the drive unit (32),
    characterized in
    that the drive unit (32) is placed onto the shaft (24, 26) from the side of the support such that, in the vertical direction the housing (36) of the drive unit (32) is arranged essentially between the support components (10-18) and the shaft (24, 26).
  2. Support device according to claim 1, characterized in that the shaft (24, 26) is mounted on the base body (4) of the support device (2).
  3. Support device according to claim 2, characterized in that a pivot lever (46, 46') is connected to the shaft (24, 26) in a manner not to rotate, which lever, for being pivoted is in driving connection with a drive motor (40, 40') of the drive unit (32).
  4. Support device according to claim 3, characterized in that the drive unit (32) includes at least one linearly moveable drive element (44, 44'), to which the pivot lever (46, 46') is operatively connected for the pivoting thereof.
  5. Support device according to claim 3, characterized in that the pivot lever (46, 46') is an angled or bent-off lever.
  6. Support device according to claim 4, characterized in that the linearly movable drive element is a spindle nut (44, 44') mounted in a torque proof manner and movable in the axial direction on an adjusting spindle (42, 42') adapted to be driven to rotate.
  7. Support device according to claim 4, characterized in that the linearly movable drive element is an adjusting spindle movable in its axial direction, on which spindle a stationary spindle nut is arranged adapted to be driven to rotate.
  8. Support device according to claim 1, characterized by latching means for locking the drive unit (32) in the mounting position on the support device (2).
  9. Support device according to claim 1, characterized in that two shafts (24, 26) mounted to rotate are provided for, a recess (50, 52) in the housing (36) of the drive unit (32) being associated with each shaft (24, 26).
  10. Support device according to claim 1, characterized in that the base body (4) includes a frame (6).
  11. Support device according to claim 1, characterized in that the support device (2) is designed as a slatted frame.
  12. Support device according to claim 1, characterized in that the drive unit (32) is arranged on a first portion of the piece of furniture, that the drive unit (32) includes a take-up apparatus (54) for a belt-, rope- or chain-like pulling means, which is guided, in the manner of a pulley system, via at least one deflection roller (76) arranged on the housing (36) or on another component, which is stationary while adjusting the support component (16, 18; 12, 14) relative to the first component, and at least one deflection roller (74) arranged on the support component to be adjusted or on an intermediate component connected operatively to this component for adjusting the same, wherein the pulling means is operatively connected to the associated support component (16, 18; 12, 14) to be adjusted in such a manner that in winding.-up the pulling means adjusting of the support component (16, 18; 12, 14) will occur.
  13. Furniture drive according to claim 12, characterized in that the pulling means is guided, in the manner of an at least four-strand-pulley system alternately over deflection rollers (76) arranged on the housing (36) or on another component, which, while the adjustment of the support component (16, 18; 12, 14) occurs is stationary relative to the first component, and over deflection rollers (74) arranged on the associated support component or on an intermediate component operatively connected to this component for the adjustment thereof.
  14. Furniture drive according to claim 13, characterized in that the deflection rollers (76) associated with a drive (34, 34') and arranged on the housing (36) or on another component, which is stationary during the adjustment of the support component (16, 18; 12, 14) include coaxial axes of rotation or are arranged on a mutual axis of rotation.
  15. Furniture drive according to claim 13, characterized in that the deflection rollers (74) associated with the support component (16, 18; 12, 14) and arranged thereon or on an intermediate component include coaxial axes of rotation or are arranged on a mutual axis of rotation.
  16. Furniture drive according to claim 13, characterized in that the deflection rollers (76) associated with a drive (34, 34') and arranged on the housing (36) or on another component, which is stationary during the adjustment of the support component (16, 18; 12, 14) include axes of rotation which are parallel to each other.
  17. Furniture drive according to claim 13, characterized in that the deflection rollers (74) associated with the support component (16, 18; 12, 14) and arranged thereon or on an intermediate component include axes of rotation which are parallel to each other.
  18. Furniture drive according to claim 12, characterized in thathe end (78) of the pulling means facing away from the take-up apparatus (54) is mounted fixedly on the support component (16, 18; 12, 14) to be adjusted.
  19. Furniture drive according to claim 12, characterized in that the end (78) of the pulling means facing away from the take-up apparatus (54) is mounted fixedly on the intermediate component operatively connected to the support component (16, 18; 12, 14) for adjustment thereof.
  20. Furniture drive according to claim 12, characterized in that the end (78) of the pulling means facing away from the take-up apparatus (54) is mounted fixedly on the housing (36) or on the first portion.
  21. Furniture drive according to claim 12, characterized in that the drive unit is designed as a pivot drive for pivoting the support component (16, 18; 12, 14) relative to the first portion.
  22. Furniture drive according to claim 12, characterized in that the intermediate component is a pivot lever (66) carrying at least one deflection roller.
  23. Furniture drive according to claim 22, characterized in that in the mounting position of the furniture drive the pivot lever (66) is non-pivotally connected to a shaft (24) mounted to rotate, to which the support component (16, 18; 12, 14) is operatively connected for the pivoting thereof.
  24. Furniture drive according to claim 23, characterized in that the pivot lever (66) for forming a non-pivotal connection is connected to the shaft (24) by means of a positive fit.
  25. Furniture drive according to claim 24, characterized in that the shaft (24) has an out-of-round cross section and positively engages a recess (80) of the pivot lever (66), which recess is formed essentially complementary with respect to the cross section of the shaft (24).
  26. Furniture drive according to claim 25, characterized in that the recess (80) of the pivot lever (66) is designed to be open in the radial direction of the shaft (24) and that there are provided watching means for locking the shaft (24) in the recess (80).
  27. Furniture drive according to claim 22, characterized in that the pivot lever (66) is designed as a two-armed lever, each lever arm carrying at least one deflection roller (74).
  28. Furniture drive according to claim 1, characterized in that the take-up apparatus (54) includes a pivotally connected take- up element (64) on which the end of the respective pulling element facing the take-up apparatus (54) is fixedly mounted, and which is in rotatable driving connection with a motor, preferably an electric motor (58).
  29. Piece of furniture for sitting or lying upon, characterized in that it comprises a support device according to any one of the preceding claims.
EP01943239.2A 2000-04-11 2001-04-10 Support device that can be adjusted by means of a motor and is used for the upholstery of a piece of furniture used for sitting and/or laying upon Expired - Lifetime EP1276406B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20006690U DE20006690U1 (en) 2000-04-11 2000-04-11 Furniture drive designed as a double drive
DE20006690U 2000-04-11
PCT/EP2001/004094 WO2001076422A1 (en) 2000-04-11 2001-04-10 Support device that can be adjusted by means of a motor and is used for the upholstery of a piece of furniture used for sitting and/or laying upon

Publications (2)

Publication Number Publication Date
EP1276406A1 EP1276406A1 (en) 2003-01-22
EP1276406B1 true EP1276406B1 (en) 2013-06-05

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EP01943239.2A Expired - Lifetime EP1276406B1 (en) 2000-04-11 2001-04-10 Support device that can be adjusted by means of a motor and is used for the upholstery of a piece of furniture used for sitting and/or laying upon

Country Status (7)

Country Link
US (1) US6763536B2 (en)
EP (1) EP1276406B1 (en)
JP (1) JP2003529429A (en)
AU (1) AU2001265870A1 (en)
DE (1) DE20006690U1 (en)
DK (1) DK1276406T3 (en)
WO (1) WO2001076422A1 (en)

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EP1276406A1 (en) 2003-01-22
DK1276406T3 (en) 2013-09-16
AU2001265870A1 (en) 2001-10-23
DE20006690U1 (en) 2001-08-16
JP2003529429A (en) 2003-10-07
WO2001076422A1 (en) 2001-10-18
US20030079290A1 (en) 2003-05-01
US6763536B2 (en) 2004-07-20

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