EP2534989B1 - Central vacuum cleaner assembly - Google Patents

Central vacuum cleaner assembly Download PDF

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Publication number
EP2534989B1
EP2534989B1 EP12172218.5A EP12172218A EP2534989B1 EP 2534989 B1 EP2534989 B1 EP 2534989B1 EP 12172218 A EP12172218 A EP 12172218A EP 2534989 B1 EP2534989 B1 EP 2534989B1
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EP
European Patent Office
Prior art keywords
suction
vacuum cleaner
hose
connection
suction hose
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.)
Not-in-force
Application number
EP12172218.5A
Other languages
German (de)
French (fr)
Other versions
EP2534989A2 (en
EP2534989A3 (en
Inventor
Günther Gahleitner
Ewald Ortner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZentorgA Zentralstaubsauganlagen GmbH
Original Assignee
ZentorgA Zentralstaubsauganlagen GmbH
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Priority to PL12172218T priority Critical patent/PL2534989T3/en
Publication of EP2534989A2 publication Critical patent/EP2534989A2/en
Publication of EP2534989A3 publication Critical patent/EP2534989A3/en
Application granted granted Critical
Publication of EP2534989B1 publication Critical patent/EP2534989B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/38—Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0009—Storing devices ; Supports, stands or holders
    • A47L9/0018—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner
    • A47L9/0027—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner specially adapted for holding the suction cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0009—Storing devices ; Supports, stands or holders
    • A47L9/0018—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner
    • A47L9/0036—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner specially adapted for holding the suction hose
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings

Definitions

  • the invention relates to a central vacuum cleaner system with a suction unit, with an at least partially branched suction line system connected to the suction unit for at least guiding the dust sucked in by the suction unit, with at least one connection box, which has a central connection connected to the suction line system, with an at least partially flexible one Suction hose and with a suction tube that can be connected to the suction line system for receiving the suction hose that can be at least partially sucked into the suction tube and at least partially pulled out of the suction tube.
  • Central vacuum systems have been known for many years and offer numerous advantages compared to floor or hand vacuum cleaners, for example in terms of suction power, noise and dust generation.
  • a major disadvantage of central vacuum cleaner systems is their handling with regard to the suction hose.
  • the suction hose can usually be connected to the central vacuum cleaner system via suction sockets and, due to the suction sockets installed relatively far apart, usually has lengths of in particular 8 meters and more.
  • this also entails considerable problems when stowing the suction hose, because this not only requires a large amount of space for its storage - even in rolled up or suspended form - but the suction hose can also be subjected to considerable mechanical stress or environmental influences if it is improperly stored can.
  • a disadvantage of such devices is also that the suction or removal of the suction hose by - z. B. necessary due to the structural conditions - branches and bends of the suction line system are made considerably more difficult. Among other things, this can result in a suction hose sucked in with tight bends in a suction line system being exposed to comparatively strong mechanical loads when it is pulled out. The durability of the suction hose or the stability of the central vacuum cleaner system can be significantly negatively affected.
  • a prior art according to the preamble of claim 1 is from US2011 / 041282A1 known.
  • the invention has therefore set itself the task of improving a central vacuum cleaner system of the type described in such a way that it can be installed largely independently of the structural conditions and that a suction hose can be safely accommodated in its length or largely protected from damage .
  • the vacuum cleaner system should be stable and have advantages with regard to its maintenance, in particular the removal of bulky objects that have been sucked in or the cleaning of the suction line system.
  • the invention solves the problem posed by the features of claim 1.
  • connection box is connected to a suction pipe leading away from and back to it for the suction hose that can be drawn in and out
  • the suction line system from the suction unit to the connection box can be installed free of constraints that can result from the inclusion of a suction hose.
  • bends with a narrow radius can very well be provided in the area of the central connection to the connection box, which means that the installation of the device, in particular the suction line system and subsequently also the connection box, can be carried out much more easily and in accordance with the structural conditions.
  • a central vacuum cleaner system that can be installed particularly flexibly can thus be made possible.
  • the suction tube can provide ideal guidance for sucking in and pulling out the suction hose - in particular without comparatively narrow bends - so that the suction hose can advantageously be sucked in in its full length and at the same time also the mechanical loads on the suction hose or suction tube caused by pulling out and sucking in the suction hose can be kept low.
  • objects sucked into the suction hose in particular bulky objects, cannot significantly impair the function of the suction hose or can also be easily removed from it. A stable and easy-to-use device can thus be created.
  • connection box according to the invention only has to be connected to the existing suction line system in a suitable manner, preferably at the central connection or at the pipe bend of the suction line system connected to the central connection.
  • the suction pipe can be connected directly to the suction line system and / or connected via separable connecting means, for example via a hose.
  • a suction pipe can have any cross-sectional shape, for example round, angular, etc.
  • a central vacuum cleaner system can be understood to mean a central vacuum cleaner system.
  • the suction pipe is designed to be connectable to the suction line system via the central connection, and the suction pipe can be connected to a connection be separated with the suction line system, which greatly simplifies the maintenance of the device according to the invention, for. B. for cleaning purposes or for the purpose of checking for damaged parts of the suction tube. In contrast to the prior art, this can make it possible, for example, to introduce a cleaning device through the suction tube and pull it out again from the other end.
  • Another advantage of the device according to the invention is that any torn off parts of the suction hose connected to the connection box via the suction pipe can be stopped at the latest before this central connection and are no longer sucked in towards the suction unit.
  • the risk that torn off parts of the suction hose penetrate into the suction line system or into the suction unit and in this problem such. B. cause blockages can be reduced.
  • a pipe bend of the suction line system connects to the central connection, this can enable, for example, sucked-in dirt or sucked-in objects that could possibly collect or become wedged in the suction line system to be intercepted.
  • a pipe bend of the suction line system that adjoins the central connection can also be advantageous because it represents an easily accessible and therefore easy to clean or repair point.
  • the device according to the invention can thus be distinguished by its stability and simple handling and maintenance.
  • the suction hose can be extended in its full length to its thickened end or up to a handle, a brush or the like that may be attached to the end of the suction hose. This enables safe storage of the suction hose.
  • one end of the suction hose has connecting means for connection to the central connection, it is possible to connect a suction hose independently of the suction line leading away from the connection box and back to it or a further suction hose that may be sucked into it and to suck up dust via this.
  • the vacuum cleaner system according to the invention can thus be distinguished by particularly flexible handling.
  • this central connection or the suction hose in such a way that an on / off switch and / or a control of the suction power of the suction unit can be provided on the suction hose, preferably on its handle.
  • the function and / or the power of the suction unit can be controlled via radio, for example via a device with a transmitter connected to the suction hose and via a device with a receiver connected to the connection box.
  • suction hose that can be at least partially sucked into the suction tube and at least partially pulled out of the suction tube can be fully pulled out of the suction tube, it may be possible to connect the suction hose to other junction boxes, suction sockets, etc. It is therefore not absolutely necessary to provide at least one suction hose for each connection box or for each suction pipe connected to the connection box, which in turn can lead to a reduction in costs.
  • suction tube has a taper
  • this taper can cause pulling resistance and thus, for example, represent a pull-out brake for the suction hose, whereby pulling out the suction hose can at least be slowed down or, if pulling is stopped, can only be overcome by increased pull.
  • this pull-out brake is designed in such a way that the suction hose cannot be pulled out of the suction tube in its entirety.
  • a taper can easily create an airtight seal between the suction pipe and the suction hose, whereby, for example, hissing noises or a suction loss on the suction hose can be reduced.
  • the device according to the invention can be installed in a very variable manner according to the prevailing structural conditions.
  • the connection with already installed central vacuum cleaning systems can be made easier.
  • the installation of the suction pipe in flush-mounted boxes can be particularly suitable.
  • the suction hose can easily remain accessible for maintenance purposes, even when the suction hose is completely inserted.
  • connection box has receptacles for stowing accessories for the suction hose, this offers particular handling advantages over the prior art.
  • a junction box designed in this way a. enables not only a suction hose, but also handles connected to the end of the suction hose, as well as devices connected or separated from the handle, such as brushes, to be stored safely and in a space-saving manner.
  • the after Fig. 1 Central vacuum cleaner system 1 shown as an example in an exemplary embodiment, shows a suction unit 2 which is connected via a branching suction line system 3 to connection boxes 4, 5 which are arranged in different locations.
  • a suction line system 3 is also referred to as a raw vacuum system, among other things.
  • the suction line system 3 laid in the wall 6 and / or in the floor 7 can thus be used in different rooms for connecting a suction hose 8 or other suction accessories, for example a telescopic rod 9 with a coarse dirt nozzle 10.
  • the flexible suction hose 8 is stored in a suction tube 15 or received by it.
  • the suction pipe 15 has a larger diameter than the suction hose 8. If now negative pressure is applied to the suction pipe 15, the suction hose 8 can be sucked into the suction pipe 15 in a sliding manner. Because the suction hose 8 has a thickened end 13, the suction hose 8 is not drawn completely into the suction tube 15. The suction hose 8 can now be pulled out of the suction tube 15 via the thickened end 13, for example, so that the length of the suction hose 8 can be varied as required in the manner of a telescopic rod.
  • the dust 11 now sucked in by the suction hose 8 or the coarse dirt nozzle 10 can now be guided via the suction line system 3 to the suction unit 2 and picked up by the suction unit 2. It has been found disadvantageous in a telescopic use of a suction hose 8 that the sucking in of coarse dirt or bulky objects, for example pins, especially in the area of branching fittings 14 of the suction line system 3, leads to blockages and even jamming of the suction hose 8 with the suction pipe 15 can lead. A stable handling of a suction hose 8 that can be drawn in or drawn out cannot be guaranteed.
  • connection box 4 be provided with a suction pipe 15 leading away from it and back to it for the suction pipe 15 which can be drawn in and out Suction hose 8 is connected.
  • This loop-shaped design of a suction pipe 15 can prevent the suction hose 8 from jamming in the suction pipe 15, for example in the case of coarse dust or dirt 11.
  • a stable central vacuum cleaner system 1 can thus be made possible.
  • the suction pipe 15 has two pipe connections 16 and 17 with flap seals 16 ', 17'.
  • the suction hose 8 can be pulled out of the suction pipe 15 via the pipe connection 16, the suction hose 8 also being accessible via the pipe connection 17.
  • a simple connection option with the central connection 18 of the connection box can be created via the pipe connection 17.
  • the suction pipe 15 is designed to be connectable to the suction line system 3 via the central connection, namely by connecting a hose piece 19 to both connections 17 and 18, such as in particular the Fig. 2 refer to.
  • the central vacuum cleaner system 1 according to the invention is therefore comparatively simple in construction.
  • the suction line system 3 connects to the central connection 18 via a pipe bend 20. In this way, bulky dirt can already be trapped at this point before it can penetrate deeper into the suction line system 3 and suck for blockages there.
  • the suction hose 8 can be pulled out completely from the suction tube 15. In order to be able to connect the suction hose 8 directly to the central connection 18, the latter has a connection 21. The suction hose 8 can therefore also be connected directly to the suction line system 3.
  • the suction pipe 15 has a taper 22 which, in the manner of a pull-out brake, can give the operating personnel feedback on the width of the pulled-out suction hose 8.
  • a tight connection of the suction pipe 15 to the suction hose 8 can be created in a structurally simple manner.
  • connection box 4 a receptacle 23 designed as a hook is provided, which can be used for stowing or hanging accessories for the suction hose 8, which are not shown in detail.
  • Fig. 3 it can be seen that the free end 25 of the suction hose 8 sucked into the suction pipe 15 lies in the connection area 24 of the connection box 4 for advantageous maintenance purposes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Paper (AREA)

Description

Die Erfindung betrifft eine zentrale Staubsaugeranlage mit einer Saugereinheit, mit einem mit der Saugereinheit verbundenen, wenigstens teilweise verzweigten Saugleitungssystem zum wenigstens Führen des von der Saugereinheit angesaugten Staubs, mit wenigstens einem Anschlusskasten, der einen an das Saugleitungssystem angeschlossenen Zentralanschluss aufweist, mit einem wenigstens teilweise flexiblen Saugschlauch und mit einem mit dem Saugleitungssystem verbindbarem Saugrohr zum Aufnehmen des in das Saugrohr mindestens teilweise einsaugbaren und aus dem Saugrohr mindestens teilweise ausziehbaren Saugschlauchs.The invention relates to a central vacuum cleaner system with a suction unit, with an at least partially branched suction line system connected to the suction unit for at least guiding the dust sucked in by the suction unit, with at least one connection box, which has a central connection connected to the suction line system, with an at least partially flexible one Suction hose and with a suction tube that can be connected to the suction line system for receiving the suction hose that can be at least partially sucked into the suction tube and at least partially pulled out of the suction tube.

Zentralstaubsaugeranlagen sind seit vielen Jahren bekannt und bieten im Vergleich zu Boden- oder Handstaubsaugern zahlreiche Vorteile, etwa hinsichtlich Saugleistung, Lärm- und auch Staubentwicklung. Als wesentlicher Nachteil erweist sich bei Zentralstaubsaugeranlagen deren Handhabung hinsichtlich des Saugschlauchs. Der Saugschlauch ist üblicherweise über Saugdosen mit der Zentralstaubsaugeranlage verbindbar und weist aufgrund der relativ weit voneinander entfernt installierten Saugdosen meist Längen von insbesondere 8 Metern und mehr auf. Dies zieht klarerweise auch erhebliche Probleme bei der Verstauung des Saugschlauchs nach sich, weil dazu nicht nur ein großer Platzbedarf für dessen Lagerung - selbst in aufgerollter oder aufgehängter Form - erforderlich ist, sondern der Saugschlauch auch bei unsachgemäßer Lagerung erheblichen mechanischen Belastung bzw. Umwelteinflüssen unterworfen sein kann.Central vacuum systems have been known for many years and offer numerous advantages compared to floor or hand vacuum cleaners, for example in terms of suction power, noise and dust generation. A major disadvantage of central vacuum cleaner systems is their handling with regard to the suction hose. The suction hose can usually be connected to the central vacuum cleaner system via suction sockets and, due to the suction sockets installed relatively far apart, usually has lengths of in particular 8 meters and more. Clearly, this also entails considerable problems when stowing the suction hose, because this not only requires a large amount of space for its storage - even in rolled up or suspended form - but the suction hose can also be subjected to considerable mechanical stress or environmental influences if it is improperly stored can.

Zu diesem Zweck sind aus dem Stand der Technik Vorrichtungen ( US3520725A ) bekannt, die derart konzipiert sind, dass der Saugschlauch in das Saugleitungssystem eingesaugt und in diesem nach dem Gebrauch der Zentralstaubsaugeranlagen verstaut werden kann. Derartige Systeme sind auch unter der Bezeichnung "Hide-a-Hose" bekannt. Solche Ausführungsformen ermöglichen zwar ein Verstauen des Saugschlauches, bieten jedoch keine Wartungsfreundlichkeit hinsichtlich der Entfernung eventuell eingesaugter sperriger Gegenstände - wie beispielsweise Schreibstifte, abgerissene Schlauchteile etc. - aus dem Saugleitungssystem. Eingesaugte sperrige Gegenstände können auch das Einsaugen und Ausziehen des Saugschlauchs behindern bzw. das Saugleitungssystem und insbesondere den Saugschlauch beschädigen. Nachteilig ist an derartigen Vorrichtungen auch, dass das Einsaugen bzw. Ausziehen des Saugschlauchs durch - z. B. aufgrund der baulichen Gegebenheiten notwendigen - Verzweigungen und Bögen des Saugleitungssystems erheblich erschwert werden. Dies kann u. a. dazu führen, dass ein, in einem Saugleitungssystem mit engen Bögen eingesaugter Saugschlauch beim Ausziehen vergleichsweise starken mechanischen Belastungen ausgesetzt wird. Die Haltbarkeit des Saugschlauchs bzw. die Standfestigkeit der zentralen Staubsaugeranlage kann dadurch deutlich negativ beeinflusst werden.For this purpose, devices from the state of the art ( US3520725A ) known, which are designed in such a way that the suction hose is sucked into the suction line system and in this after the use of the central vacuum system can be stowed away. Such systems are also known under the name "Hide-a-Hose". Such embodiments enable the suction hose to be stowed away, but are not easy to maintain with regard to the removal of bulky objects that may have been sucked in - such as pens, torn hose parts, etc. - from the suction line system. Sucked in bulky objects can also hinder the sucking in and pulling out of the suction hose or damage the suction line system and especially the suction hose. A disadvantage of such devices is also that the suction or removal of the suction hose by - z. B. necessary due to the structural conditions - branches and bends of the suction line system are made considerably more difficult. Among other things, this can result in a suction hose sucked in with tight bends in a suction line system being exposed to comparatively strong mechanical loads when it is pulled out. The durability of the suction hose or the stability of the central vacuum cleaner system can be significantly negatively affected.

Ein Stand der Technik nach dem Oberbegriff des Anspruchs 1 ist aus der US2011/041282A1 bekannt.A prior art according to the preamble of claim 1 is from US2011 / 041282A1 known.

Die Erfindung hat sich daher die Aufgabe gestellt, eine zentrale Staubsaugeranlage der eingangs geschilderten Art derart zu verbessern, dass diese von den baulichen Gegebenheiten weitgehend unabhängig installiert werden kann und dass in diese ein Saugschlauch in seiner Länge sicher aufgenommen bzw. vor Beschädigungen weitgehend geschützt werden kann. Des Weiteren sollte die Staubsaugeranlage standfest und Vorteile hinsichtlich seiner Wartung aufweisen, insbesondere die Entfernung eingesaugter sperriger Gegenstände bzw. die Reinigung des Saugleitungssystems betreffend.The invention has therefore set itself the task of improving a central vacuum cleaner system of the type described in such a way that it can be installed largely independently of the structural conditions and that a suction hose can be safely accommodated in its length or largely protected from damage . Furthermore, the vacuum cleaner system should be stable and have advantages with regard to its maintenance, in particular the removal of bulky objects that have been sucked in or the cleaning of the suction line system.

Die Erfindung löst die gestellte Aufgabe dadurch, durch die Merkmale des Anspruchs 1.The invention solves the problem posed by the features of claim 1.

Ist der Anschlusskasten mit einem von diesem weg- und zu diesem zurückführenden Saugrohr für den einsaug- und ausziehbaren Saugschlauch verbunden, dann kann das Saugleitungssystem von der Saugereinheit zum Anschlusskasten frei von Zwängen installiert werden, die sich aus der Aufnahme eines Saugschlauchs ergeben können. Im Saugleitungssystem können so Bögen mit engem Radius im Bereich des Zentralanschlusses zum Anschlusskasten sehr wohl vorgesehen werden, wodurch die Installation der Vorrichtung insbesondere des Saugleitungssystems und in weiterer Folge auch des Anschlusskastens wesentlich leichter und den baulichen Gegebenheiten entsprechend erfolgen kann. Eine besonders flexibel zu installierende zentrale Staubsaugeranlage kann so ermöglicht werden. Außerdem kann das Saugrohr eine, für das Einsaugen und Ausziehen des Saugschlauchs ideale Führung - insbesondere ohne vergleichsweise enge Bögen - ermöglichen, sodass der Saugschlauch vorteilhaft in seiner vollen Länge eingesaugt werden kann und gleichzeitig auch die mechanischen Belastungen von Saugschlauch bzw. Saugrohr durch Ausziehen und Einsaugen des Saugschlauchs gering gehalten werden kann. Hinzu kommt, dass in den Saugschlauch eingesaugte, insbesondere sperrige, Gegenstände die Funktion des Saugschlauchs nicht wesentlich beeinträchtigen können bzw. aus diesem auch einfach entfernbar sind. Eine standfeste und einfach handhabbare Vorrichtung kann so geschaffen werden. Außerdem ist es mithilfe des erfindungsgemäßen Anschlusskastens möglich, eine bestehende zentrale Staubsaugeranlage zu verbessern, deren Saugleitungssystem nicht zum Einsaugen und/oder zum Ausziehen eines Saugschlauchs geeignet ist. Dazu muss lediglich der erfindungsgemäße Anschlusskasten auf geeignete Weise, bevorzugt am Zentralanschluss, oder an dem, am Zentralanschluss anschließenden Rohrbogen des Saugleitungssystems, mit dem bestehenden Saugleitungssystem verbunden werden. Das Saugrohr kann mit dem Saugleitungssystem direkt verbunden und/oder über trennbare Verbindungsmittel z.B. über einen Schlauch verbunden sein. Im Allgemeinen sei erwähnt, dass ein Saugrohr jegliche Querschnittsform, beispielsweise rund, eckig etc., aufweisen kann. Weiter sein im Allgemeinen erwähnt, dass unter einer zentralen Staubsaugeranlage eine zentrale Staubsauganlage verstanden werden kann. Erfindungsgemäß ist das Saugrohr über den Zentralanschluss mit dem Saugleitungssystem verbindbar ausgebildet, kann das Saugrohr von einem Anschluss mit dem Saugleitungssystem getrennt werden, was zu einer erheblichen Erleichterung der Wartung der erfindungsgemäßen Vorrichtung, z. B. zu Reinigungszwecken oder zum Zwecke der Kontrolle auf beschädigte Stellen des Saugrohrs führen kann. Im Gegensatz zum Stand der Technik kann es dadurch beispielsweise möglich werden, eine Reinigungsvorrichtung durch das Saugrohr einzuführen und aus dem anderen Ende wieder herauszuziehen. Ein weiterer Vorteil der erfindungsgemäßen Vorrichtung besteht darin, dass eventuell abgerissene Teile des, über das Saugrohr mit dem Anschlusskasten verbundenen Saugschlauchs spätestens vor diesem Zentralanschluss gestoppt werden können und nicht weiter in Richtung Saugereinheit eingesaugt werden. Somit kann die Gefahr, dass abgerissene Teile des Saugschlauchs in das Saugleitungssystem bzw. in die Saugereinheit eindringen und in diesem Probleme wie z. B. Verstopfungen verursachen, verringert werden. Zudem ist es möglich, diese Teile des Saugschlauchs auf einfache Weise aus der Vorrichtung zu entfernt. Somit kann sich die erfindungsgemäße Vorrichtung im Gegensatz zum Stand der Technik durch besonders einfache Wartung auszeichnen.If the connection box is connected to a suction pipe leading away from and back to it for the suction hose that can be drawn in and out, then the suction line system from the suction unit to the connection box can be installed free of constraints that can result from the inclusion of a suction hose. In the suction line system, bends with a narrow radius can very well be provided in the area of the central connection to the connection box, which means that the installation of the device, in particular the suction line system and subsequently also the connection box, can be carried out much more easily and in accordance with the structural conditions. A central vacuum cleaner system that can be installed particularly flexibly can thus be made possible. In addition, the suction tube can provide ideal guidance for sucking in and pulling out the suction hose - in particular without comparatively narrow bends - so that the suction hose can advantageously be sucked in in its full length and at the same time also the mechanical loads on the suction hose or suction tube caused by pulling out and sucking in the suction hose can be kept low. In addition, objects sucked into the suction hose, in particular bulky objects, cannot significantly impair the function of the suction hose or can also be easily removed from it. A stable and easy-to-use device can thus be created. In addition, it is possible with the aid of the connection box according to the invention to improve an existing central vacuum cleaner system whose suction line system is not suitable for sucking in and / or pulling out a suction hose. For this purpose, the connection box according to the invention only has to be connected to the existing suction line system in a suitable manner, preferably at the central connection or at the pipe bend of the suction line system connected to the central connection. The suction pipe can be connected directly to the suction line system and / or connected via separable connecting means, for example via a hose. In general, it should be mentioned that a suction pipe can have any cross-sectional shape, for example round, angular, etc. It should also be mentioned in general that a central vacuum cleaner system can be understood to mean a central vacuum cleaner system. According to the invention, the suction pipe is designed to be connectable to the suction line system via the central connection, and the suction pipe can be connected to a connection be separated with the suction line system, which greatly simplifies the maintenance of the device according to the invention, for. B. for cleaning purposes or for the purpose of checking for damaged parts of the suction tube. In contrast to the prior art, this can make it possible, for example, to introduce a cleaning device through the suction tube and pull it out again from the other end. Another advantage of the device according to the invention is that any torn off parts of the suction hose connected to the connection box via the suction pipe can be stopped at the latest before this central connection and are no longer sucked in towards the suction unit. Thus, the risk that torn off parts of the suction hose penetrate into the suction line system or into the suction unit and in this problem such. B. cause blockages can be reduced. It is also possible to remove these parts of the suction hose from the device in a simple manner. In contrast to the prior art, the device according to the invention can thus be distinguished by particularly simple maintenance.

Schließt an den Zentralanschluss ein Rohrbogen des Saugleitungssystems an, kann dies ermöglichen, beispielsweise eingesaugten Schmutz oder eingesaugte Gegenstände, die sich im Saugleitungssystem eventuell ansammeln oder verkeilen könnten, abzufangen. Somit kann die Gefahr an Verstopfungen im Rohrleitungssystem, die sich bevorzugt im Bereich von abzweigenden Fittings bilden, aber auch die Gefahr von Beschädigungen des Rohrleitungssystems bzw. der Saugereinheit, wie dies beispielsweise durch eingesaugte sperrige Gegenstände wie Kugelschreiber verursacht werden kann, reduziert werden. Ein, an den Zentralanschluss anschließender Rohrbogen des Saugleitungssystems kann zudem auch deshalb von Vorteil sein, weil dieser eine leicht zugängliche und somit eine leicht zu reinigende bzw. zu reparierende Stelle darstellt. Somit kann sich die erfindungsgemäße Vorrichtung durch Standfestigkeit, sowie durch einfache Handhabung und Wartung auszeichnen.If a pipe bend of the suction line system connects to the central connection, this can enable, for example, sucked-in dirt or sucked-in objects that could possibly collect or become wedged in the suction line system to be intercepted. This reduces the risk of blockages in the pipeline system, which preferably form in the area of branching fittings, but also the risk of damage to the pipeline system or the suction unit, as can be caused, for example, by sucking in bulky objects such as ballpoint pens. A pipe bend of the suction line system that adjoins the central connection can also be advantageous because it represents an easily accessible and therefore easy to clean or repair point. The device according to the invention can thus be distinguished by its stability and simple handling and maintenance.

Ist die Saugrohrlänge größer gleich der Saugschlauchlänge ausgeführt, dann kann der Saugschlauch in seiner vollen Länge bis zu seinem verdickten Ende bzw. bis zu einem eventuell am Ende des Saugschlauchs befestigten Griffstück, einer Bürste oder dergleichen eingesaugt werden. Dadurch wird eine sichere Verwahrung des Saugschlauchs ermöglicht.If the length of the suction pipe is greater than or equal to the length of the suction hose, the suction hose can be extended in its full length to its thickened end or up to a handle, a brush or the like that may be attached to the end of the suction hose. This enables safe storage of the suction hose.

Weist ein Ende des Saugschlauchs Verbindungsmittel zum Anschluss an den Zentralanschluss auf, ist es möglich, einen Saugschlauch unabhängig von der, vom Anschlusskasten weg- und zu diesem wieder zurückführenden Saugleitung bzw. einem evtl. darin eingesaugten weiteren Saugschlauch anzuschließen und über diesen Staub aufzusaugen. Die erfindungsgemäße Staubsaugeranlage kann sich somit durch besonders flexible Handhabung auszeichnen. Im Allgemeinen ist vorstellbar, diesen Zentralanschluss bzw. den Saugschlauch derart zu konstruieren, dass auf dem Saugschlauch, vorzugsweise auf dessem Griffstück, beispielsweise ein Ein/Aus-Schalter und/oder eine Steuerung der Saugleistung der Saugereinheit vorgesehen werden kann. Ebenso vorstellbar ist, dass eine Steuerung der Funktion und/oder der Leistung der Saugereinheit über Funk, beispielsweise über eine Vorrichtung mit Sender, die mit dem Saugschlauch verbunden ist und über eine Vorrichtung mit Empfänger, die mit dem Anschlusskasten verbunden ist.If one end of the suction hose has connecting means for connection to the central connection, it is possible to connect a suction hose independently of the suction line leading away from the connection box and back to it or a further suction hose that may be sucked into it and to suck up dust via this. The vacuum cleaner system according to the invention can thus be distinguished by particularly flexible handling. In general, it is conceivable to construct this central connection or the suction hose in such a way that an on / off switch and / or a control of the suction power of the suction unit can be provided on the suction hose, preferably on its handle. It is also conceivable that the function and / or the power of the suction unit can be controlled via radio, for example via a device with a transmitter connected to the suction hose and via a device with a receiver connected to the connection box.

Ist der, in das Saugrohr mindestens teilweise einsaugbare und aus dem Saugrohr mindestens teilweise ausziehbare Saugschlauch zur Gänze aus dem Saugrohr ausziehbar, kann es möglich werden, den Saugschlauch auch an anderen Anschlusskästen, Saugsteckdosen etc. anzuschließen. Somit ist es nicht unbedingt erforderlich, für jeden Anschlusskasten bzw. für jedes, mit dem Anschlusskasten verbundenes Saugrohr wenigstens einen Saugschlauch vorzusehen, was wiederum zu einer Reduktion der Kosten führen kann.If the suction hose that can be at least partially sucked into the suction tube and at least partially pulled out of the suction tube can be fully pulled out of the suction tube, it may be possible to connect the suction hose to other junction boxes, suction sockets, etc. It is therefore not absolutely necessary to provide at least one suction hose for each connection box or for each suction pipe connected to the connection box, which in turn can lead to a reduction in costs.

Weist das Saugrohr eine Verjüngung auf, dann kann dadurch ermöglicht werden, dass der Saugschlauch durch Ziehen unerwartet zur Gänze aus dem Saugrohr ausgezogen wird. Vielmehr kann diese Verjüngung einen Zieh-Widerstand hervorrufen und beispielsweise damit eine Ausziehbremse für den Saugschlauch darstellen, wodurch das Ausziehen des Saugschlauchs zumindest verlangsamt bzw. im Falle eines Stoppens des Ausziehens nur durch erhöhten Zug überwunden werden kann.If the suction tube has a taper, this can enable the suction hose to be pulled out of the suction tube unexpectedly completely. Rather, this taper can cause pulling resistance and thus, for example, represent a pull-out brake for the suction hose, whereby pulling out the suction hose can at least be slowed down or, if pulling is stopped, can only be overcome by increased pull.

Vorstellbar ist aber auch, dass diese Ausziehbremse derart ausgebildet ist, dass der Saugschlauch grundsätzlich nicht zur Gänze aus dem Saugrohr ausgezogen werden kann. Außerdem kann solch eine Verjüngung auf einfache Weise einen luftdichten Abschluss zwischen Saugrohr und Saugschlauch schaffen, wodurch beispielsweise Zischgeräusche bzw. auch ein Saugverlust am Saugschlauch vermindert werden kann.It is also conceivable, however, that this pull-out brake is designed in such a way that the suction hose cannot be pulled out of the suction tube in its entirety. In addition, such a taper can easily create an airtight seal between the suction pipe and the suction hose, whereby, for example, hissing noises or a suction loss on the suction hose can be reduced.

Verläuft das Saugrohr in Wand, Unterputz, Fußboden und/oder Möbel, kann die erfindungsgemäße Vorrichtung sehr variabel entsprechend den vorherrschenden baulichen Bedingungen installiert werden. Insbesondere die Verbindung mit bereits installierten zentralen Staubsauganlagen kann dadurch erleichtert werden. Besonders geeignet kann die Installation des Saugrohrs in Unterputzkästen sein.If the suction pipe runs in the wall, flush-mounted, floor and / or furniture, the device according to the invention can be installed in a very variable manner according to the prevailing structural conditions. In particular, the connection with already installed central vacuum cleaning systems can be made easier. The installation of the suction pipe in flush-mounted boxes can be particularly suitable.

Liegt das freie Ende des in das Saugrohr eingesaugten Saugschlauchs im Anschlussbereich des Anschlusskastens, dann kann der Saugschlauch für Wartungszwecke auf einfache Weise auch bei einem vollständig aufgenommenen Saugschlauch zugänglich bleiben.If the free end of the suction hose sucked into the suction tube lies in the connection area of the connection box, then the suction hose can easily remain accessible for maintenance purposes, even when the suction hose is completely inserted.

Weist der Anschlusskasten Aufnahmen zum Verstauen von Zubehör für den Saugschlauch auf, bietet dies besondere Handhabungsvorteile gegenüber dem Stand der Technik. Durch einen derart ausgeführten Anschlusskasten wird u. a. ermöglicht, nicht nur einen Saugschlauch, sondern auch mit dem Ende des Saugschlauchs verbundene Griffstücke, sowie mit dem Griffstück verbundene oder getrennte Vorrichtungen wie beispielsweise Bürsten sicher und platzsparend zu verstauen.If the connection box has receptacles for stowing accessories for the suction hose, this offers particular handling advantages over the prior art. With a junction box designed in this way, a. enables not only a suction hose, but also handles connected to the end of the suction hose, as well as devices connected or separated from the handle, such as brushes, to be stored safely and in a space-saving manner.

In den Figuren ist der Erfindungsgegenstand beispielsweise anhand eines Ausführungsbeispiels dargestellt. Es zeigen

Fig. 1
eine Ansicht auf eine zentrale Staubsaugeranlage,
Fig. 2
eine vergrößerte Teilansicht der Staubsaugeranlage nach Fig. 1 und
Fig. 3
eine vergrößerte Teilansicht der Staubsaugeranlage nach Fig. 1 mit vollständig aufgenommenem Saugschlauch.
In the figures, the subject matter of the invention is shown, for example, using an exemplary embodiment. Show it
Fig. 1
a view of a central vacuum cleaner system,
Fig. 2
an enlarged partial view of the vacuum cleaner system according to Fig. 1 and
Fig. 3
an enlarged partial view of the vacuum cleaner system according to Fig. 1 with completely taken up suction hose.

Die nach Fig. 1 in einem Ausführungsbeispiel beispielsweise dargestellte zentrale Staubsaugeranlage 1 zeigt eine Saugeinheit 2, die über ein sich verzweigendes Saugleitungssystem 3 mit örtlich verschieden angeordnete Anschlusskästen 4, 5 verbunden ist. Ein derartiges Saugleitungssystem 3 wird unter anderem auch als Vakuumrohsystem bezeichnet. Im Allgemeinen wird erwähnt, dass verschiedenste Anschlüsse vorstellbar sind, beispielsweise Aufputzdosen, Bodensaugdosen, Wandeinbauboxen und dergleichen. Das in der Wand 6 und/oder im Boden 7 verlegte Saugleitungssystem 3 kann so in verschiedenen Räumen zum Anschluss eines Saugschlauchs 8 bzw. anderen Saugzubehörs, beispielsweise einer Teleskopstange 9 mit einer Grobschmutzdüse 10 genützt werden. Der flexible Saugschlauch 8 wird in einem Saugrohr 15 aufbewahrt bzw. davon aufgenommen. Zu diesem Zweck ist das Saugrohr 15 im Durchmesser größer als der Saugschlauch 8 ausgebildet. Wird nun an das Saugrohr 15 Unterdruck angelegt, kann der Saugschlauch 8 gleitend in das Saugrohr 15 eingesaugt werden. Dadurch, dass der Saugschlauch 8 ein verdicktes Ende 13 aufweist, wird der Saugschlauch 8 nicht vollständig in das Saugrohr 15 eingezogen. Der Saugschlauch 8 kann nun beispielsweise über das verdickte Ende 13 aus dem Saugrohr 15 ausgezogen werden, sodass in der Funktionsart einer Teleskopstange je nach Bedarf die Länge des Saugschlauchs 8 variiert werden kann. Der nun vom Saugschlauch 8 bzw. der Grobschmutzdüse 10 eingesaugte Staub 11 kann nun über das Saugleitungssystem 3 zur Saugeinheit 2 geführt und von der Saugeinheit 2 aufgenommen werden. Nachteilig hat sich bei einer teleskopartigen Verwendung eines Saugschlauchs 8 herausgestellt, dass ein Einsaugen von grobem Schmutz bzw. von sperrigen Gegenständen, zum Beispiel Stiften, besonders im Bereich von abzweigenden Fittings 14 des Saugleitungssystems 3 zu Verstopfungen bis hin zu Verklemmungen des Saugschlauchs 8 mit dem Saugrohr 15 führen kann. Eine standfeste Handhabung eines einsaug- bzw. ausziehbaren Saugschlauchs 8 kann damit nicht gewährleistet werden. Zur Lösung dieses Problems schlägt die Erfindung vor, dass der Anschlusskasten 4 mit einem von diesem weg- und zu diesem zurückführenden Saugrohr 15 für den einsaug- und ausziehbaren Saugschlauch 8 verbunden ist. Durch diese schleifenförmige Ausgestaltung eines Saugrohrs 15 kann vermieden werden, dass der Saugschlauch 8 im Saugrohr 15 beispielsweise bei grobem Staub bzw. Schmutz 11 festklemmt. Eine standfeste zentrale Staubsaugeranlage 1 kann so ermöglicht werden.The after Fig. 1 Central vacuum cleaner system 1, shown as an example in an exemplary embodiment, shows a suction unit 2 which is connected via a branching suction line system 3 to connection boxes 4, 5 which are arranged in different locations. Such a suction line system 3 is also referred to as a raw vacuum system, among other things. In general, it is mentioned that a wide variety of connections are conceivable, for example surface sockets, floor suction sockets, built-in wall boxes and the like. The suction line system 3 laid in the wall 6 and / or in the floor 7 can thus be used in different rooms for connecting a suction hose 8 or other suction accessories, for example a telescopic rod 9 with a coarse dirt nozzle 10. The flexible suction hose 8 is stored in a suction tube 15 or received by it. For this purpose, the suction pipe 15 has a larger diameter than the suction hose 8. If now negative pressure is applied to the suction pipe 15, the suction hose 8 can be sucked into the suction pipe 15 in a sliding manner. Because the suction hose 8 has a thickened end 13, the suction hose 8 is not drawn completely into the suction tube 15. The suction hose 8 can now be pulled out of the suction tube 15 via the thickened end 13, for example, so that the length of the suction hose 8 can be varied as required in the manner of a telescopic rod. The dust 11 now sucked in by the suction hose 8 or the coarse dirt nozzle 10 can now be guided via the suction line system 3 to the suction unit 2 and picked up by the suction unit 2. It has been found disadvantageous in a telescopic use of a suction hose 8 that the sucking in of coarse dirt or bulky objects, for example pins, especially in the area of branching fittings 14 of the suction line system 3, leads to blockages and even jamming of the suction hose 8 with the suction pipe 15 can lead. A stable handling of a suction hose 8 that can be drawn in or drawn out cannot be guaranteed. To solve this problem, the invention proposes that the connection box 4 be provided with a suction pipe 15 leading away from it and back to it for the suction pipe 15 which can be drawn in and out Suction hose 8 is connected. This loop-shaped design of a suction pipe 15 can prevent the suction hose 8 from jamming in the suction pipe 15, for example in the case of coarse dust or dirt 11. A stable central vacuum cleaner system 1 can thus be made possible.

Das Saugrohr 15 weist zwei Rohranschlüsse 16 und 17 mit Klappendichtungen 16', 17' auf. Über den Rohranschluss 16 kann der Saugschlauch 8 aus dem Saugrohr 15 ausgezogen werden, wobei über den Rohranschluss 17 ebenso der Saugschlauch 8 zugänglich ist. Insbesondere aber kann über den Rohranschluss 17 eine einfache Verbindungsmöglichkeit mit dem Zentralanschluss 18 des Anschlusskastens geschaffen werden. Zu diesem Zweck ist das Saugrohr 15 über den Zentralanschluss mit dem Saugleitungssystem 3 verbindbar ausgebildet, nämlich indem ein Schlauchstück 19 an beide Anschlüsse 17 und 18 angeschlossen wird, wie insbesondere der Fig. 2 zu entnehmen. Die erfindungsgemäße zentrale Staubsaugeranlage 1 ist daher vergleichsweise konstruktiv einfach.The suction pipe 15 has two pipe connections 16 and 17 with flap seals 16 ', 17'. The suction hose 8 can be pulled out of the suction pipe 15 via the pipe connection 16, the suction hose 8 also being accessible via the pipe connection 17. In particular, however, a simple connection option with the central connection 18 of the connection box can be created via the pipe connection 17. For this purpose, the suction pipe 15 is designed to be connectable to the suction line system 3 via the central connection, namely by connecting a hose piece 19 to both connections 17 and 18, such as in particular the Fig. 2 refer to. The central vacuum cleaner system 1 according to the invention is therefore comparatively simple in construction.

Das Saugleitungssystem 3 schließt über einen Rohrbogen 20 an den Zentralanschluss 18 an. Damit kann an dieser Stelle bereits sperriger Schmutz abgefangen werden, bevor dieser tiefer in das Saugleitungssystem 3 eindringen und dort für Verstopfungen sogen kann.The suction line system 3 connects to the central connection 18 via a pipe bend 20. In this way, bulky dirt can already be trapped at this point before it can penetrate deeper into the suction line system 3 and suck for blockages there.

Der Saugschlauch 8 kann vollständig aus dem Saugrohr 15 ausgezogen werden. Um nun auch den Saugschlauch 8 direkt mit dem Zentralanschluss 18 verbinden zu können, weist dieser einen Anschluss 21 auf. Der Saugschlauch 8 kann daher auch direkt mit dem Saugleitungssystem 3 verbunden werden.The suction hose 8 can be pulled out completely from the suction tube 15. In order to be able to connect the suction hose 8 directly to the central connection 18, the latter has a connection 21. The suction hose 8 can therefore also be connected directly to the suction line system 3.

Das Saugrohr 15 weist eine Verjüngung 22 auf, die in der Art einer Ausziehbremse dem Bedienpersonal eine Rückmeldung zur Weite des ausgezogenen Saugschlauchs 8 geben kann. Außerdem kann so auf konstruktiv einfache Weise ein dichter Anschluss des Saugrohrs 15 an den Saugschlauch 8 geschaffen werden.The suction pipe 15 has a taper 22 which, in the manner of a pull-out brake, can give the operating personnel feedback on the width of the pulled-out suction hose 8. In addition, a tight connection of the suction pipe 15 to the suction hose 8 can be created in a structurally simple manner.

Im Anschlusskasten 4 ist eine als Haken ausgebildete Aufnahmen 23 vorgesehen, die zum Verstauen bzw. Aufhängen von nicht näher dargestelltem Zubehör für den Saugschlauch 8 verwendet werden kann.In the connection box 4, a receptacle 23 designed as a hook is provided, which can be used for stowing or hanging accessories for the suction hose 8, which are not shown in detail.

Gemäß Fig. 3 kann erkannt werden, das das freie Ende 25 des in das Saugrohr 15 eingesaugten Saugschlauchs 8 für vorteilhafte Wartungszwecke im Anschlussbereich 24 des Anschlusskastens 4 liegt.According to Fig. 3 it can be seen that the free end 25 of the suction hose 8 sucked into the suction pipe 15 lies in the connection area 24 of the connection box 4 for advantageous maintenance purposes.

Claims (9)

  1. Central vacuum cleaner system with a suction unit (2), with an at least partially branched suction line system (3) connected to the suction unit (2) for at least guiding the dust (11) sucked in by the suction unit (2), with at least one connection box (4), which has a central connection (18) connected to the suction line system (3), with an at least partially flexible suction hose (8) and with a suction pipe (15) that can be connected to the suction line system (3) for receiving the in the suction tube (15) can be sucked in at least partially and can be at least partially pulled out of the suction tube (15), characterized in that the connection box (4) is connected to the suction pipe (15) leading away from and back to it, wherein the suction pipe (15) is designed to be connectable to the suction line system (3) via the central connection (18).
  2. Central vacuum cleaner system according to claim 1, characterized in that a pipe bend (20) of the suction line system (3) connects to the central connection (18).
  3. Central vacuum cleaner system according to claim 1 or 2, characterized in that the suction pipe length is greater than or equal to the length of the suction hose.
  4. Central vacuum cleaner system according to one of claims 1 to 3, characterized in that one end (25) of the suction hose (8) has connecting means (21) for connection to the central connection (18).
  5. Central vacuum cleaner system according to one of claims 1 to 4, characterized in that the suction hose (8) which can be at least partially sucked into the suction pipe (15) and at least partially pulled out of the suction pipe (15) can be completely pulled out of the suction pipe (15).
  6. Central vacuum cleaner system according to one of claims 1 to 5, characterized in that the suction pipe has a taper (22).
  7. Central vacuum cleaner system according to one of claims 1 to 6, characterized in that the suction pipe (15) runs in wall, flush-mounted, floor and / or furniture.
  8. Central vacuum cleaner system according to one of claims 1 to 7, characterized in that the free end (25) of the suction hose (8) sucked into the suction pipe (15) lies in the connection region (24) of the connection box (4).
  9. Central vacuum cleaner system according to one of claims 1 to 8, characterized in that the connection box (4) has receptacles (23) for stowing accessories for the suction hose (8).
EP12172218.5A 2011-06-16 2012-06-15 Central vacuum cleaner assembly Not-in-force EP2534989B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12172218T PL2534989T3 (en) 2011-06-16 2012-06-15 Central vacuum cleaner assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA877/2011A AT511337B1 (en) 2011-06-16 2011-06-16 CENTRAL VACUUM CLEANER

Publications (3)

Publication Number Publication Date
EP2534989A2 EP2534989A2 (en) 2012-12-19
EP2534989A3 EP2534989A3 (en) 2017-11-22
EP2534989B1 true EP2534989B1 (en) 2020-10-07

Family

ID=46465025

Family Applications (1)

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EP (1) EP2534989B1 (en)
AT (1) AT511337B1 (en)
PL (1) PL2534989T3 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464858A (en) * 1966-08-19 1969-09-02 J L Products Inc Vacuum cleaning method
US5526842A (en) * 1995-04-25 1996-06-18 Christensen; Layne G. In-wall retractable vacuum cleaning hose access and storage device
US5740581A (en) * 1996-06-21 1998-04-21 Vacs America, Inc. Freestanding central vacuum system
US6120615A (en) * 1998-04-22 2000-09-19 Fletcher; D. Chris Central vacuum system
US6182327B1 (en) * 2000-01-14 2001-02-06 Tilmon Joseph Paul Gosselin Central vacuum hose dispenser
US6948527B2 (en) * 2001-11-24 2005-09-27 Gary Dean Ragner Pressure-actuated linearly retractable and extendible hose
US7010829B2 (en) * 2003-06-05 2006-03-14 James Roger Harman Retractable hose central vacuum cleaning system apparatus and method
US8590098B2 (en) * 2008-01-29 2013-11-26 H-P Products, Inc. Vacuum hose storage system

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
EP2534989A2 (en) 2012-12-19
AT511337A4 (en) 2012-11-15
AT511337B1 (en) 2012-11-15
PL2534989T3 (en) 2021-04-19
EP2534989A3 (en) 2017-11-22

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