EP1146805B1 - Cushion with at least two adjustable air chambers - Google Patents

Cushion with at least two adjustable air chambers Download PDF

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Publication number
EP1146805B1
EP1146805B1 EP00904915A EP00904915A EP1146805B1 EP 1146805 B1 EP1146805 B1 EP 1146805B1 EP 00904915 A EP00904915 A EP 00904915A EP 00904915 A EP00904915 A EP 00904915A EP 1146805 B1 EP1146805 B1 EP 1146805B1
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EP
European Patent Office
Prior art keywords
air
air chambers
chambers
valves
cushion according
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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
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EP00904915A
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German (de)
French (fr)
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EP1146805A1 (en
Inventor
Lutz DÖLLE
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Metamorphosis GmbH
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Metamorphosis GmbH
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Publication of EP1146805A1 publication Critical patent/EP1146805A1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/021—Detachable or loose seat cushions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects

Definitions

  • the invention relates to a pillow with at least two in terms their air pressure adjustable air chambers by a air-impermeable material.
  • DE 33 45 291 C2 is already an inflatable seat cushion made of bendable material with several arranged one behind the other and chambers known, which are divided by grooves. The chambers have different heights and communicate with each other.
  • a seat cover made of two interconnected, inflatable air chambers is known. There is a retractable valve in the chamber wall with which all chambers can be inflated.
  • a chair or armchair is known from DT 23 48 124 A1 , the seat or backrest upholstery of which is composed of a plurality of individually fillable upholstery elements which are connected to one another via lines.
  • the lines have closable valves.
  • a pillow according to claim serves to solve this problem 1.
  • the registration is not a pillow is confined to two air chambers, but two or more air chambers, preferably two to ten, in particular can have three air chambers.
  • the foam has a shaping function and means in Trap the back cushion with more volume in the bottom two Chamber a better support of the lordosis area.
  • the pillow according to the invention is included additional components or chambers combined, for example with chambers that contain bulk materials such as polystyrene or millet and which are arranged above the air chambers.
  • the bulk material has excellent adaptability on body parts.
  • Figure 1 shows a pillow in plan view with three air chambers 1, 1 'and 1'', which are made of an air-impermeable material, such as soft PVC and separated by welds 3.
  • a ball pump 7 with a drain valve 16 is connected to one of the air chambers (1 ') in order to inflate the air chambers 1, 1', 1 ''.
  • the ball pump 7 shown in FIG. 1 is a conventional rubber ball, which sucks in air through an opening and when compressed the ball presses the air into the air chamber 1 ', a The flap valve closes the air intake opening.
  • the valves 4 are throttle or shut-off valves with which the flow can be regulated between the air chambers 1, 1 ', 1' '.
  • Figure 2 shows the pillow of Figure 1 in a perspective view and with a schematic representation of the filling of the air chambers 1, 1 ', 1''with an open-cell foam 15, which gives the pillow roughly the shape intended for use even when not inflated.
  • the foam is easily compressible and has a Shore hardness of 10 to 15.
  • Figure 3 shows a modification of the embodiment of Figure 2 with four air chambers 1, 1 ', 1'',1''', wherein two air chambers 1 'and 1''are provided with spot welds 17, the top of the cushion with the bottom connect and which serve to give the affected air chambers 1 ', 1''a certain profile, which has the effect that the pressure area under the ischial bumps is not increased if there is a lot of air in the rear chambers 1 and 1'''.
  • the individual air chambers are not all need to have the same height, but in the case of one Pillow or a mattress be profiled differently can. This makes it possible to set the height exactly, the one Wishes user for lying.
  • chambers 8 are provided above the air chambers 1, which are shown in FIGS. 4a to c .
  • These chambers 8 are expediently filled with loose bulk material, for example polystyrene beads or millet, in order to adapt well to the head contours and thereby achieve an optimal pressure distribution without back pressure.
  • the bulk material enables the head to be held exactly in the position which a user feels is optimal.
  • Figure 5 shows a fourth embodiment which is similar to that of Figure 1.
  • the second air chamber 1 ′′ is provided with a first check valve 14, which allows air to flow into the second air chamber 1 ′′.
  • the second air chamber 1 ′′ and the third air chamber 1 ′ are connected to one another by a line 6, in which a three-way valve 4 ′ is arranged as a valve. In a first position of the three-way valve 4 ', an air flow through the line 6 from the second air chamber 1 "into the third air chamber 1' is possible.
  • a further line 6 ' connects to the third connection of the three-way valve 4', which in the second air chamber 1 "and in which a second check valve 14 'is arranged.
  • the first check valve 14 and the second check valve 14' are continuous in the same direction, so that air drawn into the second air chamber 1" from this chamber also via the Line 6 'and through the second check valve 14' in a second position of the three-way valve 4 'into the third air chamber 1', however, when the three-way valve 4 'is closed in a third position, the air flow through line 6 becomes the third Air chamber 1 'shut off.
  • the second check valve 14 'shuts off the line 6' in this direction is not possible because the second check valve 14 'shuts off the line 6' in this direction.
  • FIG. 6 shows a fifth exemplary embodiment as a back cushion for a vehicle seat 10, which is embedded between the backrest 12 and the seat cover 13.
  • the air chambers 1 are connected to one another again by lines 6.
  • a ball pump 7 with a drain valve 16 in turn serves to blow air into the lower air chambers 1 ', 1'', as shown in FIG.
  • FIG. 7 shows the fifth exemplary embodiment in a view from the front with an upper air chamber 1, below which two further air chambers 1 'and 1''are arranged.
  • the three air chambers 1, 1 ′, 1 ′′ are connected to one another in terms of flow by lines 6, 6 ′′.
  • a drain valve 16 and a ball pump 7 are connected to one of the air chambers 1 '.
  • an air line 6 leads from each air chamber 1 ′, 1 ′′ to a valve 4, which is led from the valve 4 as a common line 6 to the upper air chamber 1.
  • the valve 4 located in the lines 6 is a shut-off valve which, when closed, prevents air from the air chambers 1 'and 1''from flowing upwards into the upper air chamber 1.
  • the valve 4 When the valve 4 is open, on the other hand, the air can escape from the air chambers 1 ′ and 1 ′′, as a result of which the driver is gently turned out of his position in the curves by the centrifugal force. This causes a stretching and rotating movement for the driver. If he wants to stay seated straight, he has to tighten his muscles, which are trained and strengthened.
  • the valve 4 is expediently adjustable in such a way that the aforementioned effect can be set individually for each driver.
  • the back cushion according to FIG. 7 also points towards the valve 4 lead lines each a check valve 14 ', which prevents air from the right lower air chamber 1 'in the lower left air chamber 1 '' can flow.
  • This is a Air flow only possible in the direction of the arrows on the lines 6.
  • a backflow of air from the upper air chamber 1 takes place via further lines 6 ', one of which is connected to the lower one left and right air chamber 1 '', 1 'leads.
  • Combined throttle and check valves 14 '' are provided, that in the direction of the arrows as check valves from the air chamber 1 to the air chambers 1 'and 1' 'are continuous while they air in the opposite direction only slowly as throttles let through.
  • the throttling effect of the valves 14 ′′ is so chosen that a the backflow of air from the bottom Air chambers 1 ', 1' 'to the upper air chamber 1 only possible slowly is, for example, in about 2.5 to 3 minutes.
  • This is supposed to achieved that the driver when straightening up by muscle tension and pushing his spine out of the air upper air chamber 1 quickly into the lower air chambers 1 ', 1' ' presses, whereby the lower air chambers 1 ', 1' 'the occupied Maintain the desired position until the driver Relaxed muscles.
  • the spine sinks again back to the original position (13) of Figure 6 and it there may be renewed muscle tension and air transmission from above done down.
  • the point is that the driver is on should not stay in one position for too long. Whenever if he thinks of it or gets the need, he can do the process repeat by tensing and relaxing the back muscles.
  • FIG. 7 also shows a further line 6 ′′ which connects the two lower air chambers 1 ′ and 1 ′′ to one another, a valve 4 regulating the flow between these two chambers.
  • a further line 6 ′′ which connects the two lower air chambers 1 ′ and 1 ′′ to one another, a valve 4 regulating the flow between these two chambers.
  • the fifth embodiment Can have air chambers 1, 1 ', 1' 'with open-pore Foam 15 are filled to a large extent by hand to make redundant.
  • the ball pump would be 7 and the drain valve 16 unnecessary and it could be the air intake to the air chambers as in the fourth embodiment Figure 5 take place via a check valve 14.
  • FIGS. 8 to 10 show a sixth exemplary embodiment as a mattress, which is expediently intended for storing immobile people and patients.
  • the individual air chambers 1 are in turn connected to one another by lines 6, as in the previous exemplary embodiments.
  • five pairs of air chambers 1 of the same size are provided, each of which are arranged symmetrically to a longitudinal center line.
  • the air chambers are each connected to one another by lines 6, so that an entire longitudinal side allows air to flow between all five chambers on this side.
  • the connection of the two sides is made possible by further lines 6 '.
  • Solenoid valves are arranged in all lines 6, 6 'and can be controlled by a remote control.
  • FIG. 10 also shows pressure sensors 21 which indicate when the body is touching the mattress floor in order to then trigger inflation of the air chambers 1.
  • the lines 6 are not as in the Figures shown must be external to the pillow; they can also be arranged internally, if only ensured is that the valves 4 can be regulated from the outside. For this purpose it is possible to either put the valves 4 in to be placed on a side seam or close under the cushion surface to be arranged if the thin skin of the pillow allows Feel and adjust valves from the outside.
  • valves 4 shut-off valves, Regulating valves or throttle valves can be around the Set pressure in the various air chambers.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention relates to a cushion with at least two air chambers (1, 1', 1'') whose air pressure can be adjusted and which are made of an air-tight material. The individual air chambers (1, 1', 1'') are interconnected by means of lines (6) in which valves (4) for adjusting the air flow between air chambers (1, 1', 1'') are provided for. The air chambers are also filled with an open-cell foam (15).

Description

Die Erfindung betrifft ein Kissen mit mindestens zwei hinsichtlich ihres Luftdrucks einstellbaren Luftkammern, die von einem luftundurchlässigen Material gebildet werden.The invention relates to a pillow with at least two in terms their air pressure adjustable air chambers by a air-impermeable material.

Aus der DE 33 45 291 C2 ist bereits ein aufblasbares Sitzkissen aus biegbarem Werkstoff mit mehreren hintereinander angeordneten und Kammern bekannt, die durch Nuten unterteilt sind. Die Kammern haben unterschiedliche Höhe und kommunizieren miteinander.DE 33 45 291 C2 is already an inflatable seat cushion made of bendable material with several arranged one behind the other and chambers known, which are divided by grooves. The chambers have different heights and communicate with each other.

Aus der DE 40 04 311 A1 ist eine Sitzauflage aus zwei untereinander verbundenen, aufblasbaren Luftkammern bekannt. In der Kammerwand befindet sich ein versenkbares Ventil, mit dem alle Kammern aufgeblasen werden können.From DE 40 04 311 A1 a seat cover made of two interconnected, inflatable air chambers is known. There is a retractable valve in the chamber wall with which all chambers can be inflated.

Aus der DE 27 40 412 B2 ist eine Luftmatratze aus PVC-Bahnen mit mehreren Luftkammern bekannt, bei der die obere der PVC-Bahnen aus UV-stabilisierter PVC-Klarsichtfolie besteht. Die einzelnen Luftkammern sind untereinander nicht verbunden und werden durch separate Füllöffnungen, in denen Rückschlagventile angeordnet sind, mit Luft befüllt.From DE 27 40 412 B2 an air mattress made of PVC sheets with several air chambers is known, in which the upper one of the PVC sheets consists of UV-stabilized PVC transparent film. The individual air chambers are not connected to each other and are filled with air through separate filling openings in which check valves are arranged.

Schließlich ist aus der DT 23 48 124 A1 ein Stuhl oder Sessel bekannt, dessen Sitz- oder Rückenlehnenpolster aus mehreren individuell füllbaren Polsterelementen zusammengesetzt ist, die über Leitungen miteinander verbunden sind. Die Leitungen weisen verschließbare Ventile auf. Finally, a chair or armchair is known from DT 23 48 124 A1 , the seat or backrest upholstery of which is composed of a plurality of individually fillable upholstery elements which are connected to one another via lines. The lines have closable valves.

Alle bekannten Luftkissen oder Luftmatratzen haben den Nachteil, daß ein variables Sitzen oder Liegen nur dann möglich ist, wenn die einzelnen Luftkammern zum Gebrauch aufgepumpt worden sind.All known air cushions or air mattresses have the disadvantage that variable sitting or lying down is only possible if the individual air chambers have been inflated for use.

Es ist daher Aufgabe der Erfindung, ein verbessertes Kissen zu schaffen, mit dem der Luftdruck in den einzelnen Kammern frei wählbar reguliert werden kann und das auch ohne Pumpe einsatzbereit.It is therefore an object of the invention to provide an improved pillow create with which the air pressure in the individual chambers is free can be regulated selectively and is ready for use even without a pump.

Zur Lösung dieser Aufgabe dient ein Kissen gemäß Patentanspruch 1.A pillow according to claim serves to solve this problem 1.

Dadurch ist es möglich, den Bewegungsgrad und die dynamische Flexibilität des aktiven Sitzes individuell auf das Körpergewicht abzustimmen und den gewünschten physiologischen Parametern anzupassen.This enables the degree of movement and the dynamic Flexibility of the active seat individually to the body weight to coordinate and the desired physiological parameters adapt.

Durch das Einstellen der Strömungsgeschwindigkeit des Luftstroms zwischen den Kammern mittels der Ventile wird sowohl ein reguliertes, aktives Sitzen als auch eine gewünschte stabile oder fixierte Sitzposition gewährleistet.By adjusting the flow rate of the air flow between the chambers by means of the valves both a regulated, active sitting as well as a desired stable or fixed seating position guaranteed.

In diesem Zusammenhang wird darauf hingewiesen, daß mit "Kissen" in dieser Anmeldung nicht nur Sitzkissen gemeint sind, sondern auch jede andere Art von Kissen wie Liegekissen oder Matratzen, Kopfkissen oder Rückenkissen.In this context it is pointed out that with "pillows" in this application not only seat cushions are meant, but also any other kind of pillow like pillows or mattresses, Pillows or back cushions.

Es wird ferner darauf hingewiesen, daß die Anmeldung nicht auf ein Kissen mit zwei Luftkammern beschränkt ist, sondern zwei oder mehr Luftkammern, vorzugsweise zwei bis zehn, insbesondere drei Luftkammern haben kann. It is also noted that the registration is not a pillow is confined to two air chambers, but two or more air chambers, preferably two to ten, in particular can have three air chambers.

Durch das Einbringen eines leicht zusammendrückbaren offenporigen Schaumstoffs mit einer Shore-Härte von 10 bis 15 in die Luftkammern wird erreicht, daß für die meisten Anwendungen keine Pumpe erforderlich ist. Dadurch wird die Handhabung des Kissens wesentlich vereinfacht. Außerdem wird mit dem Einbringen des Schaumstoffs verhindert, daß es zu einem Aufsetzen der Sitzbeinhöcker beim Entweichen der Luft kommt, falls beispielsweise die Luftkammern auf einer harten Unterlage beschädigt wurden. Dies ist insbesondere für querschnittsgelähmte Personen wichtig.By introducing an easily compressible open pore Foam with a Shore hardness of 10 to 15 in Air chambers are achieved that for most applications none Pump is required. This will handle the pillow much simplified. In addition, with the introduction of the Foam prevents it from touching the buttocks when the air escapes, if for example the Air chambers on a hard surface have been damaged. This is particularly important for paraplegic people.

Der Schaumstoff hat eine formgebende Funktion und bedeutet im Falle des Rückenkissens durch mehr Volumen in den unteren zwei Kammern eine bessere Abstützung des Lordosebereiches. Bei Rückenkissen ist es vorteilhaft, wenn zwei Rückschlagventile derart eingebaut sind, daß ein langsames allmähliches Zurückströmen der Luft in die oberen Kammern gewährleistet wird, damit der Benutzer keine statische Position einnehmen kann.The foam has a shaping function and means in Trap the back cushion with more volume in the bottom two Chamber a better support of the lordosis area. at Back cushions, it is advantageous if two check valves are built in so that a slow gradual backflow the air in the upper chambers is guaranteed so the user cannot take a static position.

Da es kein Kunststoffmaterial gibt, das absolut luftdicht ist, müssen Luftkissen von Zeit zu Zeit immer wieder mit Luft aufgefüllt werden. Durch den erfindungsgemäß verwendeten Schaumstoff und das Einbauen des oder der Rückschlagventile ist ein wiederholtes Aufpumpen jedoch entbehrlich, da der Schaumstoff die entweichende Luft durch seine Rückstellkraft über das Rückschlagventil immer wieder in die Kammern zurückzieht. Mit Hilfe des Absperrventils kann das Kissen durch die Rückstellkraft des Schaumstoffes zusätzlich mit Luft gefüllt werden.Since there is no plastic material that is absolutely airtight, air cushions have to be filled with air from time to time become. Due to the foam used in the invention and installing the check valve (s) is repeated Pumping up, however, is unnecessary, since the foam is the escaping air through its restoring force via the check valve always pulls back into the chambers. With help of the shut-off valve can the cushion by the restoring force of the Foam can also be filled with air.

In einer weiteren Ausführung ist das erfindungsgemäße Kissen mit zusätzlichen Komponenten oder Kammern kombiniert, beispielsweise mit Kammern, die Schüttstoffe wie Styropor oder Hirse enthalten und die über den Luftkammern angeordnet sind. Durch die Eigenart der Schüttstoffe ergibt sich eine hervorragende Anpassungsfähigkeit an Körperteile. In a further embodiment, the pillow according to the invention is included additional components or chambers combined, for example with chambers that contain bulk materials such as polystyrene or millet and which are arranged above the air chambers. By the peculiarity the bulk material has excellent adaptability on body parts.

Die Erfindung wird nun anhand einer Zeichnung näher erläutert; es zeigen:

Figur 1
ein erstes Ausführungsbeispiel in Form eines Sitzkissens in der Draufsicht;
Figur 2
eine perspektivische Darstellung des Ausführungsbeispiels von Figur 1;
Figur 3
ein zweites Ausführungsbeispiel ähnlich wie in Figur 2;
Figuren 4a - 4c
ein drittes Ausführungsbeispiel in Form eines Kopfkissens;
Figur 5
ein viertes Ausführungsbeispiel als Sitzkissen;
Figur 6
ein fünftes Ausführungsbeispiel in Form eines Rückenkissens in der Seitenansicht;
Figur 7
das fünfte Ausführungsbeispiel in der Ansicht von vorn;
Figur 8
ein sechstes Ausführungsbeispiel in Form einer Matratze in der Draufsicht;
Figur 9
das sechste Ausführungsbeispiel in der Seitenansicht; und
Figur 10
das sechste Ausführungsbeispiel in der Ansicht.
The invention will now be explained in more detail with reference to a drawing; show it:
Figure 1
a first embodiment in the form of a seat cushion in plan view;
Figure 2
a perspective view of the embodiment of Figure 1;
Figure 3
a second embodiment similar to that in Figure 2;
Figures 4a - 4c
a third embodiment in the form of a pillow;
Figure 5
a fourth embodiment as a seat cushion;
Figure 6
a fifth embodiment in the form of a back cushion in side view;
Figure 7
the fifth embodiment in the view from the front;
Figure 8
a sixth embodiment in the form of a mattress in plan view;
Figure 9
the sixth embodiment in side view; and
Figure 10
the sixth embodiment in the view.

Figur 1 zeigt ein Kissen in der Draufsicht mit drei Luftkammern 1, 1' und 1'', die aus einem luftundurchlässigen Material, beispielsweise Weich-PVC gebildet und durch Schweißnähte 3 voneinander getrennt sind. Leitungen 6, in denen Ventile 4 angeordnet sind, stellen externe Schlauchverbindungen der einzelnen Luftkammern 1, 1', 1'' untereinander her. An eine der Luftkammern (1') ist eine Ballpumpe 7 mit einem Ablaßventil 16 angeschlossen, um die Luftkammern 1, 1', 1'' aufzupumpen. Figure 1 shows a pillow in plan view with three air chambers 1, 1 'and 1'', which are made of an air-impermeable material, such as soft PVC and separated by welds 3. Lines 6, in which valves 4 are arranged, establish external hose connections between the individual air chambers 1, 1 ', 1''. A ball pump 7 with a drain valve 16 is connected to one of the air chambers (1 ') in order to inflate the air chambers 1, 1', 1 ''.

Die in Figur 1 dargestellte Ballpumpe 7 ist ein üblicher Gummiball, der durch eine Öffnung Luft ansaugt und beim Zusammendrücken des Balls die Luft in die Luftkammer 1' preßt, wobei ein Klappenventil die Luftansaugöffnung verschließt. Die Ventile 4 sind Drossel- oder Absperrventile, mit denen die Strömung zwischen den Luftkammern 1, 1', 1'' reguliert werden kann. The ball pump 7 shown in FIG. 1 is a conventional rubber ball, which sucks in air through an opening and when compressed the ball presses the air into the air chamber 1 ', a The flap valve closes the air intake opening. The valves 4 are throttle or shut-off valves with which the flow can be regulated between the air chambers 1, 1 ', 1' '.

Figur 2 zeigt das Kissen von Figur 1 in perspektivischer Ansicht und unter schematischer Darstellung der Füllung der Luftkammern 1, 1', 1'' mit einem offenporigen Schaumstoff 15, der dem Kissen bereits im nichtaufgepumpten Zustand in etwa die im Gebrauch vorgesehene Form verleiht. Der Schaumstoff ist leicht zusammendrückbar und hat eine Shore-Härte von 10 bis 15. Figure 2 shows the pillow of Figure 1 in a perspective view and with a schematic representation of the filling of the air chambers 1, 1 ', 1''with an open-cell foam 15, which gives the pillow roughly the shape intended for use even when not inflated. The foam is easily compressible and has a Shore hardness of 10 to 15.

Figur 3 zeigt eine Abwandlung des Ausführungsbeispiels von Figur 2 mit vier Luftkammern 1, 1', 1'', 1''', wobei zwei Luftkammern 1' und 1'' mit Punktschweißungen 17 versehen sind, die die Oberseite des Kissens mit der Unterseite verbinden und die dazu dienen, den betroffenen Luftkammern 1', 1'' eine gewisse Profilierung zu geben, die bewirkt, daß der Druckauflagebereich unter den Sitzbeinhöckern nicht vergrößert wird, wenn viel Luft in den hinteren Kammern 1 und 1''' vorhanden ist. Figure 3 shows a modification of the embodiment of Figure 2 with four air chambers 1, 1 ', 1'',1''', wherein two air chambers 1 'and 1''are provided with spot welds 17, the top of the cushion with the bottom connect and which serve to give the affected air chambers 1 ', 1''a certain profile, which has the effect that the pressure area under the ischial bumps is not increased if there is a lot of air in the rear chambers 1 and 1'''.

Es wird darauf hingewiesen, daß die einzelnen Luftkammern nicht alle die gleiche Höhe zu haben brauchen, sondern im Falle eines Kopfkissens oder einer Matratze unterschiedlich profiliert sein können. Dies ermöglicht es, die Höhe exakt einzustellen, die ein Benutzer für das Liegen wünscht.It should be noted that the individual air chambers are not all need to have the same height, but in the case of one Pillow or a mattress be profiled differently can. This makes it possible to set the height exactly, the one Wishes user for lying.

Gegebenenfalls sind über den Luftkammern 1 noch weitere Kammern 8 vorgesehen, die in den Figuren 4a bis c dargestellt sind. Diese Kammern 8 sind zweckmäßigerweise mit losem Schüttgut, beispielsweise Styroporkügelchen oder Hirse gefüllt, um sich den Kopfkonturen gut anzupassen und dadurch eine optimale Druckverteilung ohne Gegendruck zu erreichen. Das Schüttgut ermöglicht es, daß der Kopf genau in der Position gehalten wird, die ein Benutzer als optimal empfindet.If necessary, further chambers 8 are provided above the air chambers 1, which are shown in FIGS. 4a to c . These chambers 8 are expediently filled with loose bulk material, for example polystyrene beads or millet, in order to adapt well to the head contours and thereby achieve an optimal pressure distribution without back pressure. The bulk material enables the head to be held exactly in the position which a user feels is optimal.

Figur 5 zeigt ein viertes Ausführungsbeispiel, das ähnlich dem vom Figur 1 ist. In Abwandlung des ersten Ausführungsbeispiels ist die zweite Luftkammer 1'' jedoch mit einem ersten Rückschlagventil 14 versehen, das eine Luftströmung in die zweite Luftkammer 1'' zuläßt. Wie bei dem ersten Ausführungsbeispiel nach Figur 1 sind die zweite Luftkammer 1'' und die dritte Luftkammer 1' durch eine Leitung 6 miteinander verbunden, in der als Ventil ein Dreiwegehahn 4' angeordnet ist. In einer ersten Stellung des Dreiwegehahns 4' ist eine Luftströmung durch die Leitung 6 von der zweiten Luftkammer 1 " in die dritte Luftkammer 1' möglich. An den dritten Anschluß des Dreiwegehahns 4' schließt eine weitere Leitung 6' an, die in der zweiten Luftkammer 1'' mündet und in der außerdem ein zweites Rückschlagventil 14' angeordnet ist. Das erste Rückschlagventil 14 und das zweite Rückschlagventil 14' sind in der gleichen Richtung durchgängig, so daß in die zweite Luftkammer 1'' eingesaugte Luft von dieser Kammer auch über die Leitung 6' und durch das zweite Rückschlagventil 14' in einer zweiten Stellung des Dreiwegehahns 4' in die dritte Luftkammer 1' gesaugt werden kann. Wenn der Dreiwegehahn 4' jedoch in einer dritten Stellung geschlossen ist, wird die Luftströmung dirch die Leitung 6 zur dritten Luftkammer 1' abgesperrt. Dann besteht zwar theoretisch eine Verbindung von der zweiten Luftkammer 1'' über die Leitung 6 und durch die Leitung 6' wieder zurück, jedoch ist eine solche Luftströmung deswegen nicht möglich, weil in dieser Richtung das zweite Rückschlagventil 14' die Leitung 6' absperrt. Figure 5 shows a fourth embodiment which is similar to that of Figure 1. In a modification of the first exemplary embodiment, however, the second air chamber 1 ″ is provided with a first check valve 14, which allows air to flow into the second air chamber 1 ″. As in the first exemplary embodiment according to FIG. 1, the second air chamber 1 ″ and the third air chamber 1 ′ are connected to one another by a line 6, in which a three-way valve 4 ′ is arranged as a valve. In a first position of the three-way valve 4 ', an air flow through the line 6 from the second air chamber 1 "into the third air chamber 1' is possible. A further line 6 'connects to the third connection of the three-way valve 4', which in the second air chamber 1 "and in which a second check valve 14 'is arranged. The first check valve 14 and the second check valve 14' are continuous in the same direction, so that air drawn into the second air chamber 1" from this chamber also via the Line 6 'and through the second check valve 14' in a second position of the three-way valve 4 'into the third air chamber 1', however, when the three-way valve 4 'is closed in a third position, the air flow through line 6 becomes the third Air chamber 1 'shut off. Then theoretically there is a connection from the second air chamber 1''via line 6 and back through line 6', each however, such an air flow is not possible because the second check valve 14 'shuts off the line 6' in this direction.

Figur 6 zeigt ein fünftes Ausführungsbeispiel als Rückenkissen für einen Fahrzeugsitz 10, das zwischen Rückenlehne 12 und Sitzbezug 13 eingebettet ist. Die Luftkammern 1 sind wieder durch Leitungen 6 miteinander verbunden. Zum Einblasen von Luft in die unteren Luftkammern 1', 1'', wie sie in Figur 7 dargestellt sind, dient wiederum eine Ballpumpe 7 mit einem Ablaßventil 16. FIG. 6 shows a fifth exemplary embodiment as a back cushion for a vehicle seat 10, which is embedded between the backrest 12 and the seat cover 13. The air chambers 1 are connected to one another again by lines 6. A ball pump 7 with a drain valve 16 in turn serves to blow air into the lower air chambers 1 ', 1'', as shown in FIG.

Figur 7 zeigt das fünfte Ausführungsbeispiel in der Ansicht von vorn mit einer oberen Luftkammer 1, unter der zwei weitere Luftkammern 1' und 1'' angeordnet sind. Die drei Luftkammern 1, 1', 1'' sind wie bei dem ersten Ausführungsbeispiel nach Figur 1 durch Leitungen 6, 6'' miteinander strömungmäßig verbunden. Außerdem sind an eine der Luftkammern 1' ein Ablaßventil 16 und eine Ballpumpe 7 angeschlossen. Bei dem Ausführungsbeispiel nach Figur 7 führt von jeder Luftkammer 1', 1'' eine Luftleitung 6 zu einem Ventil 4, die von dem Ventil 4 als gemeinsame Leitung 6 zur oberen Luftkammer 1 geführt ist. Das in den Leitungen 6 liegende Ventil 4 ist ein Absperrventil, welches in geschlossenem Zustand verhindert, daß Luft aus den Luftkammern 1' und 1'' nach oben in die obere Luftkammer 1 strömen kann. Bei geöffnetem Ventil 4 kann die Luft hingegen aus den Luftkammern 1' und 1'' entweichen, wodurch der Fahrer in den Kurven durch die Fliehkraft sanft aus seiner Position herausgedreht wird. Dies bewirkt eine Streck- und Drehbewegung für den Fahrer. Will er gerade sitzen bleiben, muß er seine Muskeln anspannen, die dadurch trainiert und gekräftigt werden. Zweckmäßigerweise ist das Ventil 4 so einstellbar, daß der zuvor erwähnte Effekt für jeden Fahrer individuell einstellbar ist. FIG. 7 shows the fifth exemplary embodiment in a view from the front with an upper air chamber 1, below which two further air chambers 1 'and 1''are arranged. As in the first exemplary embodiment according to FIG. 1, the three air chambers 1, 1 ′, 1 ″ are connected to one another in terms of flow by lines 6, 6 ″. In addition, a drain valve 16 and a ball pump 7 are connected to one of the air chambers 1 '. In the embodiment according to FIG. 7, an air line 6 leads from each air chamber 1 ′, 1 ″ to a valve 4, which is led from the valve 4 as a common line 6 to the upper air chamber 1. The valve 4 located in the lines 6 is a shut-off valve which, when closed, prevents air from the air chambers 1 'and 1''from flowing upwards into the upper air chamber 1. When the valve 4 is open, on the other hand, the air can escape from the air chambers 1 ′ and 1 ″, as a result of which the driver is gently turned out of his position in the curves by the centrifugal force. This causes a stretching and rotating movement for the driver. If he wants to stay seated straight, he has to tighten his muscles, which are trained and strengthened. The valve 4 is expediently adjustable in such a way that the aforementioned effect can be set individually for each driver.

Das Rückenkissen nach Figur 7 weist ferner in den zum Ventil 4 führenden Leitungen je ein Rückschlagventil 14' auf, welches verhindert, daß Luft aus der rechten unteren Luftkammer 1' in die linke untere Luftkammer 1'' strömen kann. Dadurch ist ein Luftströmung nur in Richtung der Pfeile an den Leitungen 6 möglich. Eine Rückströmung der Luft von der oberen Luftkammer 1 erfolgt über weitere Leitungen 6', von denen je eine zur unteren linken und rechten Luftkammer 1'', 1' führt. In den Leitungen 6' sind kombinierte Drossel- und Rückschlagventile 14'' vorgesehen, die in Richtung der Pfeile als Rückschlagventile von der Luftkammer 1 zu den Luftkammern 1' und 1'' durchgängig sind, während sie in der entgegengesetzten Richtung Luft nur langsam als Drosseln durchlassen. Die Drosselwirkung der Ventile 14'' ist so gewählt, daß eine die Rückströmung der Luft von den unteren Luftkammern 1', 1'' zur oberen Luftkammer 1 nur langsam möglich ist, beispielsweise in etwa 2,5 bis 3 Minuten. Dadurch soll erreicht werden, daß der Fahrer beim Aufrichten durch Muskelanspannung und Durchdrücken seiner Wirbelsäule die Luft aus der oberen Luftkammer 1 schnell in die unteren Luftkammern 1', 1'' drückt, wodurch die unteren Luftkammern 1', 1'' die eingenommene gewünschte Position so lange beibehalten, bis der Fahrer die Muskeln wieder entspannt hat. Nach dem Zurückströmen der Luft, also nach 2,5 bis 3 Minuten, sinkt dann die Wirbelsäule wieder in die ursprüngliche Position (13) von Figur 6 zurück und es kann eine erneute Muskelanspannung und Luftübertragung von oben nach unten erfolgen. Der Sinn liegt darin, daß der Fahrer an sich nicht zu lange in einer Position verharren soll. Wann immer er daran denkt oder das Bedürfnis bekommt, kann er den Vorgang durch Anspannen und Entspannen der Rückenmuskeln wiederholen.The back cushion according to FIG. 7 also points towards the valve 4 lead lines each a check valve 14 ', which prevents air from the right lower air chamber 1 'in the lower left air chamber 1 '' can flow. This is a Air flow only possible in the direction of the arrows on the lines 6. A backflow of air from the upper air chamber 1 takes place via further lines 6 ', one of which is connected to the lower one left and right air chamber 1 '', 1 'leads. In lines 6 ' Combined throttle and check valves 14 '' are provided, that in the direction of the arrows as check valves from the air chamber 1 to the air chambers 1 'and 1' 'are continuous while they air in the opposite direction only slowly as throttles let through. The throttling effect of the valves 14 ″ is so chosen that a the backflow of air from the bottom Air chambers 1 ', 1' 'to the upper air chamber 1 only possible slowly is, for example, in about 2.5 to 3 minutes. This is supposed to achieved that the driver when straightening up by muscle tension and pushing his spine out of the air upper air chamber 1 quickly into the lower air chambers 1 ', 1' ' presses, whereby the lower air chambers 1 ', 1' 'the occupied Maintain the desired position until the driver Relaxed muscles. After the air flows back, So after 2.5 to 3 minutes, the spine sinks again back to the original position (13) of Figure 6 and it there may be renewed muscle tension and air transmission from above done down. The point is that the driver is on should not stay in one position for too long. Whenever if he thinks of it or gets the need, he can do the process repeat by tensing and relaxing the back muscles.

Figur 7 zeigt ferner noch eine weitere Leitung 6'', die die beiden unteren Luftkammern 1' und 1'' miteinander verbindet, wobei ein Ventil 4 die Strömung zwischen diesen beiden Kammern reguliert. Wenn das Ventil 4 geschlossen ist, wird der Fahrer in Kurven wie in einem Schalensitz gehalten. FIG. 7 also shows a further line 6 ″ which connects the two lower air chambers 1 ′ and 1 ″ to one another, a valve 4 regulating the flow between these two chambers. When the valve 4 is closed, the driver is held in curves like in a bucket seat.

Es wird darauf hingewiesen, daß auch das fünfte Ausführungsbeispiel Luftkammern 1, 1', 1'' aufweisen kann, die mit offenporigem Schaumstoff 15 gefüllt sind, um ein Aufpumpen von Hand weitgehend überflüssig zu machen. In dem Fall wären die Ballpumpe 7 und das Ablaßventil 16 überflüssig und es könnte der Lufteinlaß zu den Luftkammern wie bei dem vierten Ausführungsbeispiel nach Figur 5 über ein Rückschlagventil 14 erfolgen.It should be noted that the fifth embodiment Can have air chambers 1, 1 ', 1' 'with open-pore Foam 15 are filled to a large extent by hand to make redundant. In this case, the ball pump would be 7 and the drain valve 16 unnecessary and it could be the air intake to the air chambers as in the fourth embodiment Figure 5 take place via a check valve 14.

Die Figuren 8 bis 10 zeigen ein sechstes Ausführungsbeispiel als Matratze, die zweckmäßigerweise zum Lagern von immobilen Menschen wie Patienten gedacht ist. Bei dieser Ausführungsform sind die einzelnen Luftkammern 1 wiederum wie bei den vorherigen Ausführungsbeispielen durch Leitungen 6 untereinander verbunden. In dem dargestellten Ausführungsbeispiel sind fünf Paare von gleichgroßen Luftkammern 1 vorgesehen, die jeweils symmetrisch zu einer Längsmittellinie angeordnet sind. Auch in Querrichtung sind die Luftkammern jeweils durch Leitungen 6 miteinander verbunden, so daß eine gesamte Längsseite eine Luftströmung zwischen allen fünf Kammern dieser Seite zuläßt. Die Verbindung der beiden Seiten wird durch weitere Leitungen 6' ermöglicht. In allen Leitungen 6, 6' sind Magnetventile angeordnet, die über eine Fernbedienung gesteuert werden können. FIGS. 8 to 10 show a sixth exemplary embodiment as a mattress, which is expediently intended for storing immobile people and patients. In this embodiment, the individual air chambers 1 are in turn connected to one another by lines 6, as in the previous exemplary embodiments. In the exemplary embodiment shown, five pairs of air chambers 1 of the same size are provided, each of which are arranged symmetrically to a longitudinal center line. Also in the transverse direction, the air chambers are each connected to one another by lines 6, so that an entire longitudinal side allows air to flow between all five chambers on this side. The connection of the two sides is made possible by further lines 6 '. Solenoid valves are arranged in all lines 6, 6 'and can be controlled by a remote control.

Figur 10 zeigt außerdem noch Drucksensoren 21, die anzeigen, wenn der Körper den Matratzenboden berührt, um dann ein Aufpumpen der Luftkammern 1 auszulösen. FIG. 10 also shows pressure sensors 21 which indicate when the body is touching the mattress floor in order to then trigger inflation of the air chambers 1.

Es wird darauf hingewiesen, daß die Leitungen 6 nicht wie in den Figuren dargestellt extern zum Kissen angeordnet sein müssen; sie können auch intern angeordnet sein, sofern nur sichergestellt wird, daß die Ventile 4 von außen reguliert werden können. Zu diesem Zweck ist es möglich, die Ventile 4 entweder in einer Seitennaht anzuordnen oder nahe unter der Kissenoberfläche anzuordnen, wenn es die dünne Haut des Kissens erlaubt, die Ventile von außen zu ertasten und zu verstellen.It should be noted that the lines 6 are not as in the Figures shown must be external to the pillow; they can also be arranged internally, if only ensured is that the valves 4 can be regulated from the outside. For this purpose it is possible to either put the valves 4 in to be placed on a side seam or close under the cushion surface to be arranged if the thin skin of the pillow allows Feel and adjust valves from the outside.

Es wird ferner darauf hingewiesen, daß die Ventile 4 Absperrventile, Regulierventile oder Drosselventile sein können, um den Druck in den verschiedenen Luftkammern einzustellen.It should also be noted that the valves 4 shut-off valves, Regulating valves or throttle valves can be around the Set pressure in the various air chambers.

Claims (11)

  1. A cushion with at least two air chambers (1, 1', 1'') adjustable with regard to their air pressure, which are formed of an air-impermeable material, wherein the individual air chambers (1, 1', 1'') are connected to one another by lines (6, 6') in which valves (4, 4') for adjusting the air flow between the air chambers (1, 1', 1'') are provided and wherein the air chambers are filled with an open-porous foam (15), characterised in that the valves (4, 4') are throttle valves.
  2. The cushion according to claim 1, characterised in that the valves (4, 4') are stop valves.
  3. The cushion according to claim 1, characterised in that the valves (4) are remotely controllable magnetic valves.
  4. The cushion according to claim 1, characterised in that a ball pump (7) is provided to inflate the air chambers (1').
  5. The cushion according to claim 1, characterised in that the air chambers (1, 1', 1'') are externally connected amongst one another.
  6. The cushion according to claim 1, characterised in that the air chambers (1, 1', 1'') are internally connected amongst one another.
  7. The cushion according to claim 1, characterised in that a discharge valve (16) is additionally provided.
  8. The cushion according to claim 1, characterised in that at least one of the valves (4') is a three-way valve.
  9. The cushion according to claim 5, characterised in that in the line (6') leading from a second air chamber (1'') to the three-way valve (4') there is arranged a non-return valve (14') through to the three-way valve.
  10. The cushion according to claim 1, characterised in that a non-return valve (14) is provided for sucking in air for inflating the air chambers (1, 1', 1'').
  11. The cushion according to claim 1 and 4, characterised in that pressure sensors (21) are provided to determine the degree of filling of the air chambers (1).
EP00904915A 1999-01-18 2000-01-17 Cushion with at least two adjustable air chambers Expired - Lifetime EP1146805B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29900747U DE29900747U1 (en) 1999-01-18 1999-01-18 Seat cushion for variable active sitting
DE29900747U 1999-01-18
PCT/EP2000/000263 WO2000041598A1 (en) 1999-01-18 2000-01-17 Cushion with at least two adjustable air chambers

Publications (2)

Publication Number Publication Date
EP1146805A1 EP1146805A1 (en) 2001-10-24
EP1146805B1 true EP1146805B1 (en) 2004-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00904915A Expired - Lifetime EP1146805B1 (en) 1999-01-18 2000-01-17 Cushion with at least two adjustable air chambers

Country Status (4)

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EP (1) EP1146805B1 (en)
AT (1) ATE276692T1 (en)
DE (2) DE29900747U1 (en)
WO (1) WO2000041598A1 (en)

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Publication number Priority date Publication date Assignee Title
DE202009012999U1 (en) 2009-04-07 2010-02-25 DÖLLE, Lutz Cushion with at least two adjustable air chambers, and connected to a shaping pad

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IES20020560A2 (en) * 2002-07-05 2003-11-12 Longhaul Technologies R & D Lt An air cushioned support system
DE102004059036A1 (en) * 2004-12-07 2006-06-08 Recaro Aircraft Seating Gmbh & Co. Kg Passenger seat for aircraft has adjusting device with at least one variable-volume energy store and at least one elastically yielding wall
DE102006060223A1 (en) 2006-12-20 2008-06-26 Gaber, Manfred Ergonomically deformable, a fluid-containing cushion, sitting or mattress part
JP2017533069A (en) * 2014-10-28 2017-11-09 イーイーイー・ソリューションズ・ゲーエムベーハー Office, work, and leisure chairs and chair or seat surface retrofit kits for creating subthreshold movements for seated persons
US11672356B2 (en) 2017-03-24 2023-06-13 Comfort Concepts Pty Limited Seating cushion
NL2022530B1 (en) * 2019-02-07 2020-08-19 Summit Benelux B V Support system for supporting a person and support device comprising said support system

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DE2348124C3 (en) 1973-09-25 1978-06-15 Gerard Kingersheim Burgin (Frankreich) Seat and / or backrest cushions for a chair or armchair
DE2740412B2 (en) 1977-09-08 1979-10-25 Meier, Josef, Schaan (Liechtenstein) Air mattress made of PVC sheets with several air chambers
US4371997A (en) * 1980-08-25 1983-02-08 Mattson Roy D Adjustable firmness cushion with multiple layered foam-filled compartments
DE3345291C2 (en) 1983-12-14 1987-04-16 Klaus Dieter Dr.med. 8345 Birnbach Hellwig Inflatable seat cushion
DE4004311A1 (en) 1990-02-13 1991-08-14 Juergen Kupke Overlay cushion for seat - consists of two flexible superimposed layers joined along lines or points and inflated to form air compartments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009012999U1 (en) 2009-04-07 2010-02-25 DÖLLE, Lutz Cushion with at least two adjustable air chambers, and connected to a shaping pad

Also Published As

Publication number Publication date
WO2000041598A1 (en) 2000-07-20
EP1146805A1 (en) 2001-10-24
ATE276692T1 (en) 2004-10-15
DE50007890D1 (en) 2004-10-28
DE29900747U1 (en) 1999-04-15

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