EP1818036B1 - Bed, in particular hospital or home care bed - Google Patents

Bed, in particular hospital or home care bed Download PDF

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Publication number
EP1818036B1
EP1818036B1 EP07102063A EP07102063A EP1818036B1 EP 1818036 B1 EP1818036 B1 EP 1818036B1 EP 07102063 A EP07102063 A EP 07102063A EP 07102063 A EP07102063 A EP 07102063A EP 1818036 B1 EP1818036 B1 EP 1818036B1
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EP
European Patent Office
Prior art keywords
legs
frame
bed
housing
cross
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EP07102063A
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German (de)
French (fr)
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EP1818036A2 (en
EP1818036A3 (en
Inventor
Günther Dorenbeck
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Voelker AG
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Voelker AG
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Publication of EP1818036A3 publication Critical patent/EP1818036A3/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position

Definitions

  • the invention relates to a bed, which is in particular a hospital or nursing bed, see for example EP-A-1 155 670 ,
  • Health or nursing beds are usually adjustable in height to facilitate the care of a patient or volunteers. Such beds usually have side panels on both sides of the bed, which should prevent the subject from falling out of bed.
  • a hospital or nursing bed can be lowered so far that the upper edges of the side parts are at a level at which the risk of injury in the event that the subject overcomes the side rails, only low.
  • the bed can be lowered so far that its lying surface is only a few centimeters (for example, 20 to 30 cm) above the ground. In such a low lowering position can even be dispensed with a side protection, since the risk of injury in a "falling" of a few centimeters is hardly given.
  • the known height-adjustable beds with scissor mechanism or scissor levers have a frame with frame side and frame cross members, wherein on the frame head and predominantlyteil07 pivotable legs are arranged.
  • the legs have lower ends supporting a ground, while their opposite upper ends are slidably guided on the frame.
  • a centrally arranged drive mechanism allows the legs to pivot so that the bed frame is raised or lowered.
  • adjustable mattress overlay devices To further enhance comfort, healthcare beds have adjustable reclining areas, i. adjustable mattress overlay devices. These devices have individually adjustable or pivotable parts that are adjustable by motor.
  • the adjusting drive is located below the lying surface or mattress support surface of the mattress support device.
  • the height-adjustable frame of the hospital or nursing bed must not collide with this adjustment, which means that the bed can only be lowered into a position in which the lying surface is at a height above the ground, in which one does not have a side guard can do without. In other words, therefore, the adjustment prevents equipped with scissor mechanism similar height adjustments hospital or nursing beds, that these beds can be lowered to a position as close to the ground.
  • the object of the invention is therefore to provide a bed, in particular hospital or nursing bed, that can be lowered as far as possible and in which a below the lying surface arranged adjustment for a reclining adjustment is not detrimental to the possibility of lowering the bed until a position in which can be dispensed with a side protection affects.
  • the height-adjustable underframe instead of a centrally arranged lifting aggregate has two lifting units arranged on both sides of the longitudinal axis (axis in the longitudinal extent between the top and bottom part of the bed). Between the two lifting units there is a gap into which the adjustment drive arranged underneath a mattress support device for the mattress support device is immersed when the bed is in its lowest lowered position.
  • the collides Adjustment drive for the mattress support device no longer with the drive for pivoting the legs for height adjustment of the bed.
  • each lifting unit has a drive unit with a housing and a push rod movable out of the housing or movable into the housing.
  • the lifting units are located between one of the transverse frame parts of the frame of the frame and the cross braces of one of the two pairs of legs. In this way, so attacks on each pair of legs a lifting unit.
  • that leg is slidably mounted on the guide profile.
  • the guide profiles also extend near the frame side parts. The other leg, with which no lifting unit is connected, does not necessarily require a guide, since it is rigidly connected via the cross-brace to the guided on the guide profile leg of the respective pair of legs.
  • leg of a pair of legs on which a lifting aggregate does not act (directly) is supported on the guide profile and consequently guided longitudinally displaceably there.
  • This peculiarity is related to the use of two lifting units, which are as far as possible from each other, leaving the gap between them, so that tilting movements, which could still exercise the frame relative to the adjustable legs, are prevented according to the invention.
  • the two lifting units have both in the longitudinal extent of the frame at a distance from each other and to the central axis of the frame an offset by being arranged on both sides of the center axis.
  • each cross-brace has a cross brace and two angle or arc struts extending from the cross member to the upper ends of the legs, and that the legs on the Winke or bow struts along the guide profiles and are supported.
  • legs are pivotally connected to support struts, which are rotatably mounted on the frame extending parallel to the frame cross members axes.
  • the bed 10 comprises a height-adjustable underframe 12 on which a mattress support device 14 rests or to which this device is attached.
  • a mattress support device 14 rests or to which this device is attached.
  • Fig. 2 only the adjusting drive 16 and the adjustable levers 18 and 20 and the associated driven axes of rotation 21,22 of the mattress support device 14 is shown.
  • the individual mattress support parts are not shown for the sake of clarity in the figures.
  • the frame 12 has a headboard side pair of legs 24 and a dominantteil workedem pair of legs 26 which are connected at their lower ends together rigidly via a cross brace 28,30.
  • the upper ends 32, 34 of the legs 24, 26 are guided on guide profiles 36.
  • These guide profiles 36 extend horizontally and parallel to side frame parts 38 of a frame 40, which also has transverse frame parts 42,44.
  • the guide profiles 36 extend between the transverse frame members 42 where they are secured.
  • the legs 24,26 of each pair are connected by a cross-brace 46 with each other.
  • This cross brace 46 has a cross brace 48 and two angle or arc struts 50 which extend from the cross brace 48, and indeed each angle or elbow brace 50 to the upper end 32 and 34 of the legs 24 and 26, respectively is in Fig. 1 to recognize
  • Each lifting assembly 52 is attached to its housing 56 at a transverse frame portion 42 (indicated at 60 in the figures), while the push rod 58 is mounted on the strut 46 and the brace bar 50 of that strut 46 (see Figs 62) which is opposite to the transverse frame part 42 on which the housing 56 of this lifting unit 52 is supported.
  • the legs are guided via sliding blocks 64 on the guide profiles 36. These slide blocks 64 are attached to the angle or arc struts 50.
  • legs 24 and 26 are held by retaining struts 70 on the frame 40.
  • the support struts 70 are pivotally connected to the legs 24, 26 (indicated at 72).
  • a parking brake 78 is also provided.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The bed (10) has a rectangular frame (12) with two transversally positioned support bars (42,44). The legs (24,26) are designed in units of two, connected with horizontal bars (28,30), fitted with castors (74) at their lower ends, and joined to guiding profiles (36) with their upper ends. Two electrically operated pushing rods (58) act on curved bars (50) inserted between transversal bars (48) and the center of the legs (24,26) in order to push or pull the legs (24,26) into a lifted or lowered position as required.

Description

Die Erfindung betrifft ein Bett, bei dem es sich insbesondere um ein Kranken- oder Pflegebett handelt, siehe z.B. EP-A-1 155 670 .The invention relates to a bed, which is in particular a hospital or nursing bed, see for example EP-A-1 155 670 ,

Kranken- bzw. Pflegebetten sind im Regelfall höhenverstellbar, um dem Kranken- bzw. Pflegepersonal die Versorgung eines Patienten bzw. Probanden zu erleichtern. Derartige Betten verfügen im Regelfall über Seitenteile beidseitig der Liegefläche, die verhindern sollen, dass der Proband aus dem Bett fällt.Health or nursing beds are usually adjustable in height to facilitate the care of a patient or volunteers. Such beds usually have side panels on both sides of the bed, which should prevent the subject from falling out of bed.

Es ist bekannt, dass die Probanden je nach ihrem psychischen bzw. physischen Zustand versuchen, die Seitenteile zu überwinden, um aus dem Bett zu steigen. Dabei kann der Fall eintreten, dass die Probanden beim Überwinden der Seitenteile stürzen, was mit nicht unerheblichen Verletzungsgefahren verbunden ist.It is known that subjects, depending on their mental or physical condition, try to overcome the side parts in order to get out of bed. In this case, the case may occur that the subjects fall over when overcoming the side parts, which is associated with not insignificant injury hazards.

Insoweit wünschenswert ist es, dass sich ein Kranken- bzw. Pflegebett soweit absenken lässt, dass sich die Oberkanten der Seitenteile in einer Höhe befinden, bei der die Verletzungsgefahr in dem Fall, dass der Proband das Seitengitter überwindet, nur noch gering ist. Idealerweise lässt sich das Bett soweit herabsenken, dass sich seine Liegefläche nur noch wenige Zentimeter (beispielsweise 20 bis 30 cm) über dem Untergrund befindet. In einer derart niedrigen Absenkposition kann dann sogar auf einen Seitenschutz verzichtet werden, da die Verletzungsgefahr bei einem "Fallen" aus wenigen Zentimetern kaum gegeben ist.In that regard, it is desirable that a hospital or nursing bed can be lowered so far that the upper edges of the side parts are at a level at which the risk of injury in the event that the subject overcomes the side rails, only low. Ideally, the bed can be lowered so far that its lying surface is only a few centimeters (for example, 20 to 30 cm) above the ground. In such a low lowering position can even be dispensed with a side protection, since the risk of injury in a "falling" of a few centimeters is hardly given.

Es ist bekannt, höhenverstellbare Gestelle von Kranken- bzw. Pflegebetten entweder durch teleskopierbare oder längenveränderbare vertikale Beine oder aber durch sogenannte Scherenmechanismen zu realisieren. Die Scherenmechanismen haben den Vorteil, dass sich die Betten extrem niedrig absenken lassen. Beispiele für Scherenmechanismen bei höhenverstellbaren Bettgestellen sind in DE 43 20 092 A1 , DE 44 06 784 C1 und DE 199 15 431 A1 beschrieben.It is known to realize height-adjustable frames of hospital or nursing beds either by telescopic or variable length vertical legs or by so-called scissor mechanisms. The scissors mechanisms have the advantage that the beds can be lowered extremely low. Examples of scissor mechanisms in height adjustable bedsteads are in DE 43 20 092 A1 . DE 44 06 784 C1 and DE 199 15 431 A1 described.

Die bekannten höhenverstellbaren Betten mit Scherenmechanismus bzw. Scherenhebeln weisen einen Rahmen mit Rahmenseiten- und Rahmenquerteilen auf, wobei am Rahmen kopf- und fußteilseitig verschwenkbare Beine angeordnet sind. Die Beine weisen sich auf einem Untergrund abstützende untere Enden auf, während ihre gegenüberliegenden oberen Enden verschiebbar am Rahmen geführt sind. Über einen zentrisch angeordneten Antriebsmechanismus lassen sich die Beine verschwenken, so dass das Bettgestell angehoben oder abgesenkt wird.The known height-adjustable beds with scissor mechanism or scissor levers have a frame with frame side and frame cross members, wherein on the frame head and Fußteilseitig pivotable legs are arranged. The legs have lower ends supporting a ground, while their opposite upper ends are slidably guided on the frame. A centrally arranged drive mechanism allows the legs to pivot so that the bed frame is raised or lowered.

Zur weiteren Steigerung des Komforts weisen Kranken- bzw. Pflegebetten verstellbare Liegeflächen, d.h. verstellbare Matratzenauflagevorrichtungen auf. Diese Vorrichtungen weisen einzeln verstellbare bzw. verschwenkbare Teile auf, die motorisch verstellbar sind. Der Verstellantrieb befindet sich unterhalb der Liegefläche bzw. Matratzenauflagefläche der Matratzenauflagevorrichtung. Das höhenverstellbare Gestell des Kranken- bzw. Pflegebetts darf mit diesem Verstellantrieb nicht kollidieren, was bedeutet, dass sich das Bett nur in eine Position absenken lässt, in der sich die Liegefläche in einer Höhe über dem Untergrund befindet, bei der man auf einen Seitenschutz nicht verzichten kann. Mit anderen Worten verhindert also der Verstellantrieb bei mit Scherenmechanismus ähnlichen Höhenverstellungen ausgestatteten Kranken- bzw. Pflegebetten, dass sich diese Betten bis zu einer Position möglichst nahe dem Untergrund absenken lassen.To further enhance comfort, healthcare beds have adjustable reclining areas, i. adjustable mattress overlay devices. These devices have individually adjustable or pivotable parts that are adjustable by motor. The adjusting drive is located below the lying surface or mattress support surface of the mattress support device. The height-adjustable frame of the hospital or nursing bed must not collide with this adjustment, which means that the bed can only be lowered into a position in which the lying surface is at a height above the ground, in which one does not have a side guard can do without. In other words, therefore, the adjustment prevents equipped with scissor mechanism similar height adjustments hospital or nursing beds, that these beds can be lowered to a position as close to the ground.

Aufgabe der Erfindung ist es daher, ein Bett, insbesondere Kranken- oder Pflegebett zu schaffen, dass sich möglichst weit absenken lässt und bei dem sich ein unterhalb der Liegefläche angeordneter Verstellantrieb für eine Liegeflächenverstellung nicht nachteilig auf die Möglichkeit der Absenkung des Bettes bis in eine Position, bei der auf einen Seitenschutz verzichtet werden kann, auswirkt.The object of the invention is therefore to provide a bed, in particular hospital or nursing bed, that can be lowered as far as possible and in which a below the lying surface arranged adjustment for a reclining adjustment is not detrimental to the possibility of lowering the bed until a position in which can be dispensed with a side protection affects.

Zur Lösung dieser Aufgabe wird mit der Erfindung ein Bett, insbesondere ein Kranken- oder Pflegebett vorgeschlagen, dass versehen ist mit

  • einem höhenverstellbaren Gestell, das einen Rahmen mit Rahmenseiten- und Rahmenquerteilen und im Bereich der Rahmenquerteile paarweise untereinander durch Querverstrebungen verbundene Beine aufweist, wobei die Beine auf einem Untergrund abstützende untere Enden aufweisen und an ihren gegenüberliegenden oberen Enden an parallel zu den Rahmenseitenteilen verlaufenden Führungsprofilen abgestützt und verschiebbar geführt sind, und
  • zwei Hubaggregaten, die jeweils eine Antriebseinheit mit einem Gehäuse und eine Schubstange aufweisen, welche von der Antriebseinheit aus dem Gehäuse herausbewegbar sowie in das Gehäuse hineinbewegbar ist,
  • wobei sich jedes Hubaggregat zwischen einem der Rahmenquerteile einerseits und der Querverstrebung zwischen den diesem Rahmenquerteil gegenüberliegenden Paar von Beinen andererseits erstreckt und an seinem Gehäuse sowie an dem diesem abgewandten freien Ende seiner Schubstange mit dem jeweiligen Rahmenquerteil bzw. der Querverstrebung verbunden ist, und
  • wobei die beiden Hubaggregate im Bereich der Rahmenseitenteile angeordnet sind, und zwar unter Freilassung eines Zwischenraums zwischen den beiden Hubaggregaten zur Unterbringung eines Verstellantriebes für eine verstellbare Matratzenauflagevorrichtung.
To solve this problem, a bed, in particular a hospital or nursing bed is proposed with the invention that is provided with
  • a height-adjustable frame having a frame with frame side and frame cross members and in the region of the frame cross members in pairs by cross-struts connected legs, the legs having on a background supporting lower ends and supported at their opposite upper ends on parallel to the frame side parts extending guide profiles and slidably guided, and
  • two lifting units, each having a drive unit with a housing and a push rod, which can be moved out of the housing by the drive unit and moved into the housing,
  • each Hubaggregat between one of the frame cross members on the one hand and the cross brace between the frame cross member opposite pair of legs on the other hand extends and is connected to its housing and at this remote free end of its push rod with the respective frame cross member or the cross bracing, and
  • wherein the two Hubaggregate are arranged in the region of the frame side parts, while leaving a gap between the two Hubaggregaten to accommodate an adjustment for an adjustable mattress support device.

Erfindungsgemäß weist das höhenverstellbare Untergestell anstelle eines zentral angeordneten Hubaggregats zwei beidseitig der Längsachse (Achse in Längserstreckung zwischen Kopf- und Fußteil des Betts) angeordnete Hubaggregate auf. Zwischen beiden Hubaggregaten befindet sich ein Zwischenraum, in den der unterhalb einer Matratzenauflagevorrichtung angeordnete Verstellantrieb für die Matratzenauflagevorrichtung eintaucht, wenn sich das Bett in seiner niedrigsten Absenkposition befindet. Bei der Erfindung kollidiert also der Verstellantrieb für die Matratzenauflagevorrichtung nicht mehr mit dem Antrieb für die Verschwenkung der Beine zur Höhenverstellung des Bettes.According to the invention, the height-adjustable underframe instead of a centrally arranged lifting aggregate has two lifting units arranged on both sides of the longitudinal axis (axis in the longitudinal extent between the top and bottom part of the bed). Between the two lifting units there is a gap into which the adjustment drive arranged underneath a mattress support device for the mattress support device is immersed when the bed is in its lowest lowered position. In the invention, therefore, the collides Adjustment drive for the mattress support device no longer with the drive for pivoting the legs for height adjustment of the bed.

Erfindungsgemäß weist jedes Hubaggregat eine Antriebseinheit mit einem Gehäuse und eine aus dem Gehäuse heraus bewegbare bzw. in das Gehäuse hinein bewegbare Schubstange auf. Die Hubaggregate befinden sich zwischen einem der Querrahmenteile des Rahmens des Gestells und der Querverstrebungen eines der beiden Beinpaare. Auf diese Weise greift also an jedem Beinpaar ein Hubaggregat an. In denjenigen Bereichen, in denen die Hubaggregate mit den Querverstrebungen der Beinpaare verbunden sind, ist das betreffende Bein verschiebbar am Führungsprofil gelagert. Die Führungsprofile erstrecken sich ebenfalls nahe den Rahmenseitenteilen. Das andere Bein, mit dem kein Hubaggregat verbunden ist, bedarf nicht notwendigerweise einer Führung, da es über die Querverstrebung mit dem am Führungsprofil geführten Bein des betreffenden Beinpaares starr verbunden ist.According to the invention, each lifting unit has a drive unit with a housing and a push rod movable out of the housing or movable into the housing. The lifting units are located between one of the transverse frame parts of the frame of the frame and the cross braces of one of the two pairs of legs. In this way, so attacks on each pair of legs a lifting unit. In those areas in which the Hubaggregate are connected to the cross braces of the pairs of legs, that leg is slidably mounted on the guide profile. The guide profiles also extend near the frame side parts. The other leg, with which no lifting unit is connected, does not necessarily require a guide, since it is rigidly connected via the cross-brace to the guided on the guide profile leg of the respective pair of legs.

Aus Stabilitätsgründen jedoch ist erfindungsgemäß vorgesehen, auch dasjenige Bein eines Beinpaares, an dem ein Hubaggregat nicht (unmittelbar) angreift, am Führungsprofil abzustützen und demzufolge dort längsverschiebbar zu führen. Diese Besonderheit hängt mit der Verwendung zweier Hubaggregate zusammen, die unter Freilassung des Zwischenraums zwischen ihnen möglichst weit voneinander beabstandet sind, so dass Kippbewegungen, die der Rahmen gegenüber den verstellbaren Beinen noch ausüben könnte, erfindungsgemäß verhindert werden. Die beiden Hubaggregate weisen dabei sowohl in Längserstreckung des Rahmens einen Abstand voneinander als auch zur Mittellangsachse des Rahmens einen Versatz auf, indem sie beidseitig der Mittelangsachse angeordnet sind.For reasons of stability, however, according to the invention, that leg of a pair of legs on which a lifting aggregate does not act (directly) is supported on the guide profile and consequently guided longitudinally displaceably there. This peculiarity is related to the use of two lifting units, which are as far as possible from each other, leaving the gap between them, so that tilting movements, which could still exercise the frame relative to the adjustable legs, are prevented according to the invention. The two lifting units have both in the longitudinal extent of the frame at a distance from each other and to the central axis of the frame an offset by being arranged on both sides of the center axis.

In vorteilhafter Weiterbildung der Erfindung ist vorgesehen, dass jede Querverstrebung eine Querstrebe und zwei Winkel- oder Bogenstreben aufweist, die sich von der Querstrebe bis zu den oberen Enden der Beine erstrecken, und dass die Beine an den Winke- oder Bogenstreben längs der Führungsprofile geführt und abgestützt sind.In an advantageous embodiment of the invention, it is provided that each cross-brace has a cross brace and two angle or arc struts extending from the cross member to the upper ends of the legs, and that the legs on the Winke or bow struts along the guide profiles and are supported.

Ferner ist es zweckmäßig, wenn die Beine gelenkig mit Stützstreben verbunden sind, die um parallel zu den Rahmenquerteilen verlaufende Achsen am Rahmen drehbar gelagert sind.Furthermore, it is expedient if the legs are pivotally connected to support struts, which are rotatably mounted on the frame extending parallel to the frame cross members axes.

Nachfolgend wird anhand eines Ausführungsbeispiels die Erfindung näher erläutert, und zwar unter Bezugnahme auf die Zeichnung. Im Einzelnen zeigen dabei:

Fig. 1
eine Draufsicht auf das Gestell eines Kranken- bzw. Pflegebetts im vollständigen abgesenkten Zustand,
Fig. 2
eine perspektivische Ansicht des höhenverstellbaren Untergestells (mit angedeutetem Kopfteil des Bettes) in einer mittleren Höhenposition,
Fig. 3
ein Detail der Fig. 2 in vergrößertem Maßstab,
Fig. 4
eine Seitenansicht des höhenverstellbaren Bettes, und
Fig. 5
eine Seitenansicht des höhenverstellbaren Bettes in der untersten Höhenverstellposition.
The invention will be explained in more detail with reference to an embodiment, with reference to the drawing. In detail, they show:
Fig. 1
a top view of the frame of a nursing bed in the fully lowered state,
Fig. 2
a perspective view of the height-adjustable undercarriage (with indicated head portion of the bed) in a middle height position,
Fig. 3
a detail of Fig. 2 on an enlarged scale,
Fig. 4
a side view of the height-adjustable bed, and
Fig. 5
a side view of the height-adjustable bed in the lowest Höhenverstellposition.

Wie in den Figuren gezeigt, weist das Bett 10 ein höhenverstellbares Untergestell 12 auf, auf dem eine Matratzenauflagevorrichtung 14 ruht bzw. an dem diese Vorrichtung befestigt ist. In Fig. 2 ist lediglich der Verstellantrieb 16 und die verstellbaren Hebel 18 und 20 sowie die diesen zugeordneten angetriebenen Drehachsen 21,22 der Matratzenauflagevorrichtung 14 gezeigt. Die einzelnen Matratzenauflageteile sind der besseren Übersichtlichkeit wegen in den Figuren nicht gezeigt. Das Gestell 12 weist ein kopfteilseitiges Paar von Beinen 24 und ein fußteilseitiges Paar von Beinen 26 auf, die an ihren unteren Enden miteinander starr über eine Querverstrebung 28,30 verbunden sind. Die oberen Enden 32,34 der Beine 24,26 sind an Führungsprofilen 36 geführt. Diese Führungsprofile 36 erstrecken sich horizontal und parallel zu Seitenrahmenteilen 38 eines Rahmens 40, der auch Querrahmenteile 42,44 aufweist. Die Führungsprofile 36 verlaufen zwischen den Querrahmenteilen 42, wo sie befestigt sind.As shown in the figures, the bed 10 comprises a height-adjustable underframe 12 on which a mattress support device 14 rests or to which this device is attached. In Fig. 2 only the adjusting drive 16 and the adjustable levers 18 and 20 and the associated driven axes of rotation 21,22 of the mattress support device 14 is shown. The individual mattress support parts are not shown for the sake of clarity in the figures. The frame 12 has a headboard side pair of legs 24 and a Fußteilseitigem pair of legs 26 which are connected at their lower ends together rigidly via a cross brace 28,30. The upper ends 32, 34 of the legs 24, 26 are guided on guide profiles 36. These guide profiles 36 extend horizontally and parallel to side frame parts 38 of a frame 40, which also has transverse frame parts 42,44. The guide profiles 36 extend between the transverse frame members 42 where they are secured.

Die Beine 24,26 jedes Paares sind über eine Querverstrebung 46 miteinander verbunden. Diese Querverstrebung 46 weist eine Querstrebe 48 sowie zwei Winkel- oder Bogenstreben 50 auf, die sich von der Querstrebe 48 aus erstrecken und zwar jede Winkel- oder Bogenstrebe 50 bis zu dem oberen Ende 32 bzw. 34 eines der Beine 24 bzw. 26. Dies ist in Fig. 1 zu erkennen,The legs 24,26 of each pair are connected by a cross-brace 46 with each other. This cross brace 46 has a cross brace 48 and two angle or arc struts 50 which extend from the cross brace 48, and indeed each angle or elbow brace 50 to the upper end 32 and 34 of the legs 24 and 26, respectively is in Fig. 1 to recognize

Zwischen den Querrahmenteilen 42 und den Winkel- oder Bogenstreben 50 befinden sich zwei Hubaggregate 52, die jeweils eine Antriebseinheit 54 mit Gehäuse 56 und einer Schubstange 58 aufweisen. Mittels der Antriebseinheit 54 lässt sich die Schubstange 58 aus dem Gehäuse 56 wahlweise herausbewegen bzw. in das Gehäuse hineinbewegen. Jedes Hubaggregat 52 ist an seinem Gehäuse 56 an einem Querrahmenteil 42 befestigt (bei 60 in den Figuren angedeutet), während die Schubstange 58 jeweils an der Verstrebung 46 bzw. der Winkel- oder Bogenstrebe 50 derjenigen Verstrebung 46 angebracht ist (siehe in den Figuren bei 62), die dem Querrahmenteil 42, an dem das Gehäuse 56 dieses Hubaggregats 52 abgestützt ist, gegenüberliegt. Im Bereich der Verbindungen 60 der Schubstangen 58 mit den Winkel- oder Bogenstreben 50, d.h. im Bereich der Verbindung der Winkel- oder Bogenstreben 50 mit den oberen Enden 32,34 der Beine 24 und 26, sind die Beine über Gleitblöcke 64 an den Führungsprofilen 36 geführt. Diese Gleitblöcke 64 sind an den Winkel- oder Bogenstreben 50 befestigt.Between the transverse frame members 42 and the angle or arc struts 50 are two lifting units 52, each having a drive unit 54 with housing 56 and a push rod 58. By means of the drive unit 54, the push rod 58 can either move out of the housing 56 or move into the housing. Each lifting assembly 52 is attached to its housing 56 at a transverse frame portion 42 (indicated at 60 in the figures), while the push rod 58 is mounted on the strut 46 and the brace bar 50 of that strut 46 (see Figs 62) which is opposite to the transverse frame part 42 on which the housing 56 of this lifting unit 52 is supported. In the region of the connections 60 of the push rods 58 with the angle or arc struts 50, i. in the region of the connection of the angle or arc struts 50 with the upper ends 32, 34 of the legs 24 and 26, the legs are guided via sliding blocks 64 on the guide profiles 36. These slide blocks 64 are attached to the angle or arc struts 50.

Auch diejenigen Winkel- oder Bogenstreben 50, an denen keine Schubstangen 58 angreifen, sind über Gleitblöcke 66 an den Führungsprofilen 36 geführt.Even those angle or arc struts 50, where no push rods 58 attack, are guided via sliding blocks 66 on the guide profiles 36.

Durch die Aufspaltung eines zentral angeordneten Antriebs zum Höhenverstellen des Betts in zwei außermittig angeordnete Hubaggregate 52, wie nach der Erfindung vorgesehen, ist es möglich, im zentralen Bereich des Gestells 12 einen Freiraum 68 zu generieren, der der Aufnahme des Verstellantriebes 16 für Matratzenauflagevorrichtung 14 dient. Damit ist es möglich, dass das Bett bis in eine extrem niedrige Position abgesenkt werden kann, wie es in Fig. 5 gezeigt ist.Due to the splitting of a centrally arranged drive for height adjustment of the bed in two eccentrically arranged lifting units 52, as provided according to the invention, it is possible to generate a free space 68 in the central region of the frame 12, the recording of the adjustment 16 for Mattress support device 14 is used. This makes it possible for the bed to be lowered to an extremely low position, as in Fig. 5 is shown.

Abschließend sei noch erwähnt, dass die Beine 24 und 26 über Haltestreben 70 an dem Rahmen 40 gehalten sind. Die Haltestreben 70 sind schwenkbar mit den Beinen 24,26 verbunden (bei 72 angedeutet). Schließlich weisen die Beine 24,26 Laufrollen 74 bzw. Laufrollenanordnungen 76 auf. Auch eine Feststellbremse 78 ist vorgesehen.Finally, it should be mentioned that the legs 24 and 26 are held by retaining struts 70 on the frame 40. The support struts 70 are pivotally connected to the legs 24, 26 (indicated at 72). Finally, the legs 24,26 rollers 74 and roller assemblies 76 on. A parking brake 78 is also provided.

Claims (3)

  1. A bed, in particular a sickbed or nursing bed, comprising
    - a height-adjustable bedstead (12) having a frame (40) comprising frame side parts (38) and frame transverse parts (42, 44) and, in the region of the frame transverse parts (42, 44), legs (24, 26) connected with each other in pairs by means of cross bracings (46), wherein the legs (24, 26) have lower ends supported on a floor and, at their opposite upper ends (32, 34), are supported and slidably guided at guiding profiles (36) extending in parallel to the frame side parts (38), and
    - two lifting assemblies (52) each having a drive unit (54) comprising a housing (56), and a pushrod (58) adapted to be moved out of the housing (56) and into the housing (56) by the drive unit (54),
    - wherein each lifting assembly (52) extends between one of the frame transverse parts (42) on the one hand, and the cross bracing (46) arranged between the pair of legs (24, 26) opposite said frame transverse part (42) on the other hand, and, at its housing (56) as well as at the free end of its push rod (58) facing away from said housing, is connected with the respective frame transverse part (42) or the cross bracing (46),
    characterized in that
    - the two lifting assemblies (52) are arranged in the region of the frame side parts (38), leaving a space for accommodation of an adjustment drive (16) for an adjustable mattress supporting device (14).
  2. The bed according to claim 1, wherein each transverse bracing (46) comprises a cross brace (48) and two angular or arcuate braces (50) which extend from the cross brace (48) to the upper ends (32, 34) of the legs (24, 26), and, at said angular or arcuate braces (50), the legs (24, 26) are guided and supported at the guide profiles (36).
  3. The bed according to claim 1 or 2, wherein the legs (24, 26) are articulated to support braces (70) which are supported at the frame (40) in a manner rotatable about axes extending in parallel to the frame transverse parts (42).
EP07102063A 2006-02-11 2007-02-09 Bed, in particular hospital or home care bed Not-in-force EP1818036B1 (en)

Applications Claiming Priority (1)

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DE102006006320 2006-02-11

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EP1818036A3 EP1818036A3 (en) 2007-09-26
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EP (1) EP1818036B1 (en)
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Also Published As

Publication number Publication date
ATE428390T1 (en) 2009-05-15
US7509697B2 (en) 2009-03-31
EP1818036A2 (en) 2007-08-15
DE502007000593D1 (en) 2009-05-28
EP1818036A3 (en) 2007-09-26
US20070234477A1 (en) 2007-10-11

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