EP0213332B1 - Control box for the air tubes of a supporting device - Google Patents
Control box for the air tubes of a supporting device Download PDFInfo
- Publication number
- EP0213332B1 EP0213332B1 EP86109430A EP86109430A EP0213332B1 EP 0213332 B1 EP0213332 B1 EP 0213332B1 EP 86109430 A EP86109430 A EP 86109430A EP 86109430 A EP86109430 A EP 86109430A EP 0213332 B1 EP0213332 B1 EP 0213332B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure chamber
- air
- individual
- control apparatus
- pump
- 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
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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
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/008—Use of remote controls
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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
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
- A47C23/062—Slat supports
- A47C23/065—Slat supports by fluid means
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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
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/081—Fluid mattresses or cushions of pneumatic type
- A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers
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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
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/123—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for beds or mattresses
Definitions
- the invention relates to a control device for the air tubes of a bed according to the preamble of the main claim.
- a control device for the air tubes of a bed according to the preamble of the main claim.
- Such a device is known from US-A-4 190 286.
- At least two inflatable air tubes lie one above the other in a mattress-like molded body, which form individual, horizontally oriented groups, the groups being individually controllable and, moreover, the tubes lying one above the other being able to be controlled independently of one another.
- Each of the fields thus formed is connected to a pump, regulating and control system.
- a pump supplies pressure and vacuum for the individual fields and the control device has motor-driven distribution valves or solenoid valves which are switched by a camshaft. These valves cyclically connect the rows to the pressure sources and vacuum sources, so that each row is sequentially inflated, partially deflated by air leaking through the perforation of the air hoses and actively deflated by connection to the vacuum source.
- DE 32 46 221 C2 proposes a slatted frame for normal use, which is equipped with air hoses, each of which is equipped with valve means for inflating, corresponding control devices being provided, but which are not explained in more detail.
- a filling and emptying device for pressure swing mattresses is known.
- an overpressure chamber connected to a pump is provided, to which connecting lines to the air hoses connect.
- a separate vacuum chamber is provided, which is operated via a suction pump and which in turn is equipped with the individual connecting lines to the air hoses. Two connecting lines lead to each air hose.
- the air hoses are not interconnectable by this construction and the known arrangement is therefore difficult to use, since a separate valve must be actuated to inflate each air hose or to deflate each air hose.
- a backrest for a motor vehicle which consists of several individual air hoses.
- a pump is provided and a pressure chamber is formed in a control unit, which is connected to the pump, connection lines being assigned to each individual air hose, connecting the respective air hose to the pressure chamber, and switching valves being assigned to each connection line.
- the switching valves are located in a bypass line and open in a connecting line between the connecting hose and the pressure chamber.
- the individual connection lines connect to the pressure chamber via a check valve.
- the known, generic device has the disadvantage that when filling the hoses all individual hoses have the same pressure, so that individual filling of individual hoses is not possible directly from the pressure chamber. It would therefore have to be done with an individual filling that all hoses are filled and then individual hoses are reduced again in terms of their pressure by actuating the switching valves. A connection of all individual hoses with the interposition of the pressure chamber is also not possible, so that not all hoses can be set to the same pressure evenly, including the pressure chamber.
- the known arrangement is complex in terms of individual regulation of the individual hoses, i.e. requires relatively great user attention.
- the invention has for its object the gat tion-improving device to the effect that it is possible to fill each individual air hose or each individual air hose group with air regardless of the degree of filling of other hoses or hose groups and to bring about pressure equalization by actuating the switching valves by equalizing the pressure between the hoses connected to the switching valves.
- the invention proposes a control unit to which the compressed air pump is connected on the one hand and which has a central pressure chamber to which the switching valves connect, the individual connection lines for the respective air hose in turn connecting to the individual switching valves.
- a compressed air reservoir is created through the pressure chamber, with which the connecting line assigned to the air hose is connected via the switching valve.
- a manually operated drain valve connects to the central pressure chamber.
- only one air hose By actuating only one switching valve, only one air hose can be regulated with regard to its pressure strength independently of the other air hoses, and by operating several switching valves or all switching valves, all air hoses or all air hose groups can have a common one Have pressure or equalize the pressure between the hoses of this group of air hoses.
- FIG. 1 designates a control device which, as the diagram in FIG. 1 shows, is of relatively small construction and is therefore handy, so that even a layperson can operate it lying in bed without difficulty.
- Fig. 1 are those at the top of the Control unit 1 arranged switching valves 2 recognizable.
- 3 shows a manually operable drain valve and 4 shows a connection for a connecting line 5 shown in FIG. 2, a check valve 6 being provided between the control unit 1 and the connecting line 5, as illustrated in FIG.
- the connecting line 5 leads from the connection 4 to a preferably electrically operated pump 7, wherein a hand bellows 8 can be connected into the connecting line 5, through which a slight readjustment is possible without starting up the electric pump 7.
- a pressure chamber 9 is provided, which forms an air reservoir and on the top of which the switching valves 2 open.
- Each switching valve 2 has a connecting line 10, these connecting lines 10 leading to an air hose 11 or to an air hose group.
- the switching valves 2 are designed as seat valves and have an actuating head 12 which carries a plunger 14 and is so pressurized via a compression spring 15 that a sealing cone 16 is pressed against a valve seat with the interposition of a corresponding seal , which is designed as a connecting line 17.
- the individual connecting lines 10 open into this connecting line 17 and this opening is shown at 18 in FIG. 3. It can be seen that when the actuating button 12 is depressed, the sealing cone 16 is lifted off, so that the associated connecting line 10 is now connected to the pressure chamber 9 is possible. This results in a pressure equalization between the internal pressure in the air hose 11 and the internal pressure of the pressure chamber 9.
- a regulation of the pressure is also possible in that when the switching valves 2 are closed, all the air hoses 11 have a relatively high pressure, then the pressure in the pressure chamber 9 is reduced by actuating the drain valve 3 and now a pressure equalization between the two or more switching valves 2 is opened air tubes 11 assigned to these switching valves 2 can take place.
- a manifold 19 is shown in the drawing, in which the individual connecting lines 10 are combined at least in the area of the control device 1, so as to have as little interference as possible when the control device 1 is actuated.
Landscapes
- Invalid Beds And Related Equipment (AREA)
- Supports For Pipes And Cables (AREA)
- Massaging Devices (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Buffer Packaging (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Steuergerät für die Luftschläuche einer Liege gemäß dem Oberbegriff des Hauptanspruches. Ein derartiges Gerät ist aus der US-A-4 190 286 bekannt.The invention relates to a control device for the air tubes of a bed according to the preamble of the main claim. Such a device is known from US-A-4 190 286.
Gemäß der DE-A-28 13 309 liegen in einem matratzenartigen Formkörper wenigstens zwei aufblasbare Luftschläuche übereinander, die einzelne, horizontal ausgerichtete Gruppen bilden, wobei die Gruppen einzeln steuerbar sind und außerdem die übereinanderliegenden Schläuche unabhängig voneinander gesteuert werden können. Jedes der so gebildeten Felder ist mit einem Pumpen-, Regel- und Steuersystem verbunden. Eine Pumpe liefert Druck und Vakuum für die einzelnen Felder und die Steuerungseinrichtung weist motorgetriebene Verteilerventile oder Magnetventile auf, die von einer Nockenwelle geschaltet werden. Diese Ventile verbinden zyklisch die Reihen mit den Druckquellen und Vakuumquellen, so daß jede Reihe aufeinanderfolgend aufgeblasen, durch herausstreichende Luft durch die Perforation der Luftschläuche teilweise entleert und durch Verbindung mit der Vakuumquelle aktiv entleert wird. Durch eine solche Anordnung wird angetrebt, daß der die Liege Benutzende von den Luftschläuchen der Gruppe getragen wird, die aufgeblasen ist, während die Teile seines Körpers, die über den entleerten und daher zusammengefallenen Luftschläuchen liegen, nicht von einem Druck der Matratze beaufschlagt werden, so daß das Blut in diesen Teilen des Körpers freier zirkulieren kann. Diese bekannte Anordnung ist daher insbesondere ausschließlich für medizinische Lagerungszwecke gedacht.According to DE-A-28 13 309, at least two inflatable air tubes lie one above the other in a mattress-like molded body, which form individual, horizontally oriented groups, the groups being individually controllable and, moreover, the tubes lying one above the other being able to be controlled independently of one another. Each of the fields thus formed is connected to a pump, regulating and control system. A pump supplies pressure and vacuum for the individual fields and the control device has motor-driven distribution valves or solenoid valves which are switched by a camshaft. These valves cyclically connect the rows to the pressure sources and vacuum sources, so that each row is sequentially inflated, partially deflated by air leaking through the perforation of the air hoses and actively deflated by connection to the vacuum source. By such Arrangement is sought so that the user of the couch is carried by the air tubes of the group that is inflated, while the parts of his body that lie above the deflated and therefore collapsed air tubes are not pressurized by the mattress, so that the blood can circulate more freely in these parts of the body. This known arrangement is therefore intended in particular exclusively for medical storage purposes.
In der DE 32 46 221 C2 wird für den Normalgebrauch ein Lattenrost vorgeschlagen, der mit Luftschläuchen ausgerüstet ist, die je mit Ventilmittel zum Aufblasen ausgerüstet sind, wobei entsprechende Steuereinrichtungen vorgesehen werden, die aber nicht näher erläutert sind.DE 32 46 221 C2 proposes a slatted frame for normal use, which is equipped with air hoses, each of which is equipped with valve means for inflating, corresponding control devices being provided, but which are not explained in more detail.
Aus dem DE-U-71 14 046 ist eine Füll- und Entleerungsvorrichtung für Druckwechselmatratzen bekannt. Bei dieser Anordnung wird eine mit einer Pumpe verbundene Überdruckkammer vorgesehen, an die Anschlußleitungen zu den Luftschläuchen anschließen. Weiterhin ist eine gesonderte Unterdruckkammer vorgesehen, die über eine Saugpumpe bedient wird und die wiederum mit den einzelnen Anschlußleitungen zu den Luftschläuchen ausgerüstet ist. Zu jedem Luftschlauch führen also zwei Anschlußleitungen.From DE-U-71 14 046 a filling and emptying device for pressure swing mattresses is known. In this arrangement, an overpressure chamber connected to a pump is provided, to which connecting lines to the air hoses connect. Furthermore, a separate vacuum chamber is provided, which is operated via a suction pump and which in turn is equipped with the individual connecting lines to the air hoses. Two connecting lines lead to each air hose.
Die Luftschläuche sind durch diese Konstruktion nicht untereinander verbindbar und die bekannte Anordnung ist daher schwierig zu bedienen, da zum Aufblasen jedes Luftschlauches oder zum Entleeren jedes Luftschlauches jeweils ein gesondertes Ventil betätigt werden muß.The air hoses are not interconnectable by this construction and the known arrangement is therefore difficult to use, since a separate valve must be actuated to inflate each air hose or to deflate each air hose.
Aus der gattungsbildenden US-A-41 90 286 ist eine Rückenlehne für ein Kraftfahrzeug bekannt, die aus mehreren einzelnen Luftschläuchen besteht. Es ist eine Pumpe vorgesehen und in einem Steuergerät ist eine Druckkammer ausgebildet, die mit der Pumpe in Verbindung steht, wobei jedem einzelnen Luftschlauch zugeordnete, den jeweiligen Luftschlauch mit der Druckkammer verbindende Anschlußleitungen vorgesehen sind und jeder Anschlußleitung Schaltventile zugeordnet sind. Die Schaltventile liegen in einer Bypassleitung und öffnen sich in einer Verbindungsleitung zwischen dem Anschlußschlauch und der Druckkammer. Die einzelnen Anschlußleitungen schliessen über ein Rückschlagventil an der Druckkammer an.From the generic US-A-41 90 286 a backrest for a motor vehicle is known, which consists of several individual air hoses. A pump is provided and a pressure chamber is formed in a control unit, which is connected to the pump, connection lines being assigned to each individual air hose, connecting the respective air hose to the pressure chamber, and switching valves being assigned to each connection line. The switching valves are located in a bypass line and open in a connecting line between the connecting hose and the pressure chamber. The individual connection lines connect to the pressure chamber via a check valve.
Die bekannte, gattungsbildende Einrichtung hat den Nachteil, daß beim Füllen der Schläuche alle einzelnen Schläuche den gleichen Druck aufweisen, so daß nicht ein individuelles Füllen einzelner Schläuche unmittelbar von der Druckkammer aus möglich ist. Es müßte also bei einer individuellen Füllung so vorgegangen werden, daß alle Schläuche gefüllt werden und dann einzelne Schläuche wieder durch Betätigen der Schaltventile hinsichtlich ihres Druckes reduziert werden. Auch ist eine Verbindung aller einzelnen Schläuche unter Zwischenschaltung der Druckkammer nicht möglich, so daß also nicht alle Schläuche gleichmäßig unter Einschluß der Druckkammer auf einen gleichen Druck eingestellt werden können. Somit ist die bekannte Anordnung hinsichtlich einer individuellen Regulierung der einzelnen Schläuche aufwendig, d.h. erfordert relativ große Aufmerksamkeit durch den Benutzer.The known, generic device has the disadvantage that when filling the hoses all individual hoses have the same pressure, so that individual filling of individual hoses is not possible directly from the pressure chamber. It would therefore have to be done with an individual filling that all hoses are filled and then individual hoses are reduced again in terms of their pressure by actuating the switching valves. A connection of all individual hoses with the interposition of the pressure chamber is also not possible, so that not all hoses can be set to the same pressure evenly, including the pressure chamber. Thus, the known arrangement is complex in terms of individual regulation of the individual hoses, i.e. requires relatively great user attention.
Der Erfindung liegt die Aufgabe zugrunde, die gat tungsbildende Einrichtung dahingehend zu verbessern, daß es möglich ist, jeden einzelnen Luftschlauch oder jede einzelne Luftschlauchgruppe unabhängig vom Füllgrad anderer Schläuche oder Schlauchgruppen mit Luft zu füllen und allein durch Betätigen der Schaltventile eine Druckgleichstellung durch Druckausgleich zwischen den an die Schaltventile angeschlossenen Schläuchen herbeizuführen.The invention has for its object the gat tion-improving device to the effect that it is possible to fill each individual air hose or each individual air hose group with air regardless of the degree of filling of other hoses or hose groups and to bring about pressure equalization by actuating the switching valves by equalizing the pressure between the hoses connected to the switching valves.
Diese der Erfindung zugrundeliegende Aufgabe wird `durch die Lehre des zweiten Teil des Hauptanspruches gelöst.This object on which the invention is based is achieved by the teaching of the second part of the main claim.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen erläutert.Advantageous embodiments of the invention are explained in the subclaims.
Mit anderen Worten ausgedrückt schlägt die Erfindung ein Steuergerät vor, an das einerseits die Druckluftpumpe anschließt und das eine zentrale Druckkammer aufweist, an die Schaltventile anschließen, wobei an die einzelnen Schaltventile wiederum die einzelnen Anschlußleitungen für den jeweiligen Luftschlauch anschließen. Durch die Druckkammer wird ein Druckluftreservoir geschaffen, mit dem über das Schaltventil die dem Luftschlauch zugeordnete Anschlußleitung in Verbindung steht. An die zentrale Druckkammer schließt ein handbetätigbares Ablaßventil an. Durch Betätigen von zwei Schaltventilen kann der Druck in den diesen Schaltventilen zugeordneten Luftschläuchen gemeinsam geregelt werden. Durch Betätigen nur eines Schaltventiles kann unabhängig von den anderen Luftschläuchen nur ein Luftschlauch hinsichtlich seiner Druckstärke geregelt werden und durch Betätigen mehrerer Schaltventile oder aller Schaltventile können alle Luftschläuche oder alle Luftschlauchgruppen einen gemeinsamen Druck aufweisen bzw. sich der Druck zwischen den Schläuchen dieser Luftschlauchgruppe ausgleichen.In other words, the invention proposes a control unit to which the compressed air pump is connected on the one hand and which has a central pressure chamber to which the switching valves connect, the individual connection lines for the respective air hose in turn connecting to the individual switching valves. A compressed air reservoir is created through the pressure chamber, with which the connecting line assigned to the air hose is connected via the switching valve. A manually operated drain valve connects to the central pressure chamber. By actuating two switching valves, the pressure in the air hoses assigned to these switching valves can be regulated together. By actuating only one switching valve, only one air hose can be regulated with regard to its pressure strength independently of the other air hoses, and by operating several switching valves or all switching valves, all air hoses or all air hose groups can have a common one Have pressure or equalize the pressure between the hoses of this group of air hoses.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen erläutert. Die Zeichnungen zeigen dabei in
- Fig. 1
- schaubildlich eine Ansicht des Steuergerätes, in
- Fig. 2
- einen Schnitt durch das Steuergerät mit einem Schaltbild für die einzelnen Leitungen, in
- Fig. 3
- in größerem Maßstab einen Schnitt durch ein Schaltventil und in
- Fig. 4
- eine Liege mit Steuergerät.
- Fig. 1
- a view of the control unit, in
- Fig. 2
- a section through the control unit with a circuit diagram for the individual lines, in
- Fig. 3
- on a larger scale a section through a switching valve and in
- Fig. 4
- a couch with control unit.
In den Zeichnungen ist mit 1 ein Steuergerät bezeichnet, das - wie die schaubildliche Darstellung in Fig. 1 zeigt - relativ kleinbauend ausgebildet ist und damit handlich ist, so daß es auch von einem Laien ohne Schwierigkeiten im Bett liegend betätigt werden kann. In Fig. 1 sind die an der Oberseite des Steuergerätes 1 angeordneten Schaltventile 2 erkennbar. Bei 3 ist ein handbetätigbares Ablaßventil dargestellt und bei 4 ein Anschluß für eine in Fig. 2 dargestellte Verbindungsleitung 5, wobei - wie dies Fig. 2 verdeutlicht - zwischen dem Steuergerät 1 und der Verbindungsleitung 5 ein Rückschlagventil 6 vorgesehen ist.In the drawings, 1 designates a control device which, as the diagram in FIG. 1 shows, is of relatively small construction and is therefore handy, so that even a layperson can operate it lying in bed without difficulty. In Fig. 1 are those at the top of the
Die Verbindungsleitung 5 führt vom Anschluß 4 zu einer vorzugsweise elektrisch betriebenen Pumpe 7, wobei in die verbindungsleitung 5 ein Handbalg 8 eingeschaltet sein kann, durch den eine leichte Nachregulierung ohne Inbetriebnahme der elektrischen Pumpe 7 möglich ist. Im unteren Teil des Steuergerätes 1 ist eine Druckkammer 9 vorgesehen, die ein Luftreservoir bildet und an deren Oberseite die Schaltventile 2 münden.The connecting
Jedes Schaltventil 2 weist eine Anschlußleitung 10 auf, wobei diese Anschlußleitungen 10 zu einem Luftschlauch 11 oder zu einer Luftschlauchgruppe führen.Each
Wie Fig. 3 zeigt, sind die Schaltventile 2 als Sitzventile ausgebildet und weisen einen Betätigungskopf 12 auf, der einen Stößel 14 trägt und über eine Druckfeder 15 so mit Druck beaufschlagt wird, daß ein Dichtkegel 16 unter Zwischenschaltung einer entsprechenden Dichtung gegen einen Ventilsitz gepreßt wird, der als Verbindungsleitung 17 ausgebildet ist. In diese Verbindungsleitung 17 münden die einzelnen Anschlußleitungen 10 und in Fig. 3 ist diese Mündung bei 18 dargestellt. Es ist erkennbar, daß bei Niederdrücken des Betätigungsknopfes 12 der Dichtkegel 16 abgehoben wird, so daß nunmehr eine Verbindung der zugeordneten Anschlußleitung 10 mit der Druck kammer 9 möglich ist. Hierdurch tritt ein Druckausgleich zwischen dem Innendruck im Luftschlauch 11 und dem Innendruck der Druckkammer 9 ein. Ist der Innendruck im Luftschlauch 11 höher als der in der Druckkammer 9, fließt Druckluft zurück und der Luftschlauch 11 senkt sich etwas ab. Ist umgekehrt der Druck in der Druckkammer 9 höher als der im Luftschlauch 11, wird der Luftschlauch 11 entsprechend aufgeblasen. Werden zwei oder mehr Schaltventile 2 gleichzeitig gedrückt, ist erkennbar, daß dadurch ein Druckausgleich zwischen den diesen Schaltventilen 2 über die Anschlußleitungen 10 zugeordneten Luftschläuche 11 erreichbar ist.As shown in Fig. 3, the
Eine Regulierung des Druckes ist weiterhin dadurch möglich, daß bei geschlossenen Schaltventilen 2 alle Luftschläuche 11 einen relativ hohen Druck aufweisen, dann durch Betätigen des Ablaßventiles 3 der Druck in der Druckkammer 9 gesenkt wird und nunmehr durch Öffnen einzelner oder mehrerer Schaltventile 2 ein Druckausgleich zwischen den diesen Schaltventilen 2 zugeordneten Luftschläuchen 11 erfolgen kann.A regulation of the pressure is also possible in that when the
In der Zeichnung ist in Fig. 1, 2 und 4 eine Sammelleitung 19 dargestellt, in der zumindest im Bereich des Steuergerätes 1 die einzelnen Anschlußleitungen 10 zusammengefaßt sind, um damit möglichst wenig störend bei Betätigen des Steuergerätes 1 zu wirken.1, 2 and 4, a
Claims (4)
- A control apparatus (1) for a bed provided with a plurality of inflatable air tubes (11), which control apparatus (1) can be loaded by a pump (7) with a feed line and comprises a pressure chamber (9) arranged in the control apparatus (1) and connectable with the pump (7), and connecting lines (10) which may be associated with each individual air tube (11) and which may connect the respective air tube (11) with the pressure chamber (9) and a control valve (2) associated with each connecting line (10) and operable by hand against the action of a reset spring, characterized in that the pressure chamber (9) is provided with a hand-operable outlet valve (3) and in that each control valve (2) of each connecting line (10) is provided directly between the connecting line (10) and the pressure chamber (9).
- A control apparatus according to claim 1, characterized in that groups of air tubes are provided with a control valve (2).
- A control apparatus according to claim 1 or claim 2, characterized in that connection of the pump (7) for the compressed air with the pressure chamber (9) is effected with interposition of a non-return valve (6).
- A control apparatus according to one or more of the preceding claims, characterized in that the individual connecting lines (10) are collected together in the region of the control apparatus (1) in a collective main (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT86109430T ATE61932T1 (en) | 1985-08-29 | 1986-07-10 | CONTROL UNIT FOR THE AIR HOSES OF A SUPPORT DEVICE. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853530878 DE3530878A1 (en) | 1985-08-29 | 1985-08-29 | CONTROL UNIT FOR THE AIR TUBES OF A BED |
| DE3530878 | 1985-08-29 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0213332A2 EP0213332A2 (en) | 1987-03-11 |
| EP0213332A3 EP0213332A3 (en) | 1988-11-17 |
| EP0213332B1 true EP0213332B1 (en) | 1991-03-27 |
Family
ID=6279673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP86109430A Expired - Lifetime EP0213332B1 (en) | 1985-08-29 | 1986-07-10 | Control box for the air tubes of a supporting device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0213332B1 (en) |
| AT (1) | ATE61932T1 (en) |
| DE (2) | DE3530878A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO174452C (en) * | 1988-01-18 | 1994-05-11 | Finn Risung | Individually adjustable cushion system |
| FR2631798A1 (en) * | 1988-05-25 | 1989-12-01 | Chene Expansion Sarl Vieux | DEVICE FOR TAKING IMPRESSIONS FROM A LATTICE SUMMER, METHOD AND USE OF THE METHOD |
| FR2631797B1 (en) * | 1988-05-25 | 1991-11-22 | Pierre Elmalek | DEVICE FOR ADJUSTING THE RIGIDITY OF THE ARTICULATION OF A LATTICE BED, BED WITH ADJUSTABLE RIGIDITY |
| DE4302778A1 (en) * | 1993-02-02 | 1994-08-04 | Melanie Laengle | Lying area for beds, sofas and the like with air supply |
| GB9806991D0 (en) * | 1998-04-02 | 1998-06-03 | Mangar International Ltd | Low pressure pneumatic control valve systems |
| FR3111151B1 (en) * | 2020-06-03 | 2022-07-15 | Decathlon Sa | Tent including box spring |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7114046U (en) * | 1971-09-02 | Mannesmann Handel Waermedienst Gmbh | Filling and emptying device for pressure change mattresses | |
| GB969367A (en) * | 1962-03-05 | 1964-09-09 | George Ingram | Improvements in inflatable mattresses, pillows and cushions |
| GB1595417A (en) * | 1977-03-29 | 1981-08-12 | Welch H G | Beds and mattresses |
| CA1053387A (en) * | 1977-12-02 | 1979-04-24 | John P. Bentley | Inflatable seat cushion and body support assembly |
| US4597723A (en) * | 1982-06-07 | 1986-07-01 | Sember Joseph A | Low pressure air supply and control system |
| DE3246221C2 (en) * | 1982-10-27 | 1984-08-16 | Hülsta Werke Hüls KG, 4424 Stadtlohn | Lounger |
| US4617690A (en) * | 1985-01-07 | 1986-10-21 | Whittaker Corporation | Inflatable bed patient mattress |
-
1985
- 1985-08-29 DE DE19853530878 patent/DE3530878A1/en active Granted
-
1986
- 1986-07-10 DE DE8686109430T patent/DE3678361D1/en not_active Expired - Lifetime
- 1986-07-10 AT AT86109430T patent/ATE61932T1/en not_active IP Right Cessation
- 1986-07-10 EP EP86109430A patent/EP0213332B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3678361D1 (en) | 1991-05-02 |
| DE3530878C2 (en) | 1988-06-09 |
| ATE61932T1 (en) | 1991-04-15 |
| EP0213332A2 (en) | 1987-03-11 |
| DE3530878A1 (en) | 1987-03-12 |
| EP0213332A3 (en) | 1988-11-17 |
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